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(" volatile int tid;");
616 outclassdefs.println(" volatile int notifycount;");
619 outclassdefs.println(" int mutex;");
620 outclassdefs.println(" volatile int notifycount;");
621 outclassdefs.println(" volatile int objlock;");
622 if(state.MULTICOREGC) {
623 outclassdefs.println(" int marked;");
627 outclassdefs.println(" int flag;");
628 if(!state.MULTICORE) {
629 outclassdefs.println(" void * flagptr;");
631 outclassdefs.println(" int version;");
632 outclassdefs.println(" int * lock;"); // lock entry for this obj
633 outclassdefs.println(" int mutex;");
634 outclassdefs.println(" volatile int lockcount;");
635 outclassdefs.println(" volatile int notifycount;");
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(" volatile int tid;");
1553 classdefout.println(" volatile int notifycount;");
1556 classdefout.println(" int mutex;");
1557 classdefout.println(" volatile int notifycount;");
1558 classdefout.println(" volatile int objlock;");
1559 if(state.MULTICOREGC) {
1560 classdefout.println(" int marked;");
1564 classdefout.println(" int flag;");
1565 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1566 classdefout.println(" void * flagptr;");
1567 } else if (state.MULTICORE) {
1568 classdefout.println(" int version;");
1569 classdefout.println(" int * lock;"); // lock entry for this obj
1570 classdefout.println(" int mutex;");
1571 classdefout.println(" int lockcount;");
1572 if(state.MULTICOREGC) {
1573 classdefout.println(" int marked;");
1576 if (state.OPTIONAL) {
1577 classdefout.println(" int numfses;");
1578 classdefout.println(" int * fses;");
1581 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1582 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1583 classdefout.println("};\n");
1584 generateCallStructsMethods(cn, output, headersout);
1588 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1589 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1590 MethodDescriptor md=(MethodDescriptor)methodit.next();
1592 if (!callgraph.isCallable(md)) {
1596 generateMethod(cn, md, headersout, output);
1600 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1601 /* Output parameter structure */
1602 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1603 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1604 // generate the staticinit version
1605 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1607 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1608 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1609 output.println(" int size;");
1610 output.println(" void * next;");
1611 for(int i=0; i<objectparams.numPointers(); i++) {
1612 TempDescriptor temp=objectparams.getPointer(i);
1613 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1614 output.println(" int " + temp.getSafeSymbol() + ";");
1616 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1619 output.println("};\n");
1622 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1623 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1624 output.println(" int size;");
1625 output.println(" void * next;");
1626 for(int i=0; i<objectparams.numPointers(); i++) {
1627 TempDescriptor temp=objectparams.getPointer(i);
1628 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1629 output.println(" int " + temp.getSafeSymbol() + ";");
1631 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1634 output.println("};\n");
1638 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1639 FlatMethod fm=state.getMethodFlat(md);
1640 generateTempStructs(fm);
1642 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1643 TempObject objecttemps=(TempObject) tempstable.get(md);
1645 boolean printcomma = false;
1647 generateMethodParam(cn, md, output);
1649 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1650 // generate the staticinit version
1651 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1653 /* Output temp structure */
1654 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1655 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1656 output.println(" int size;");
1657 output.println(" void * next;");
1658 for(int i=0; i<objecttemps.numPointers(); i++) {
1659 TempDescriptor temp=objecttemps.getPointer(i);
1660 if (!temp.getType().isArray() && temp.getType().isNull())
1661 output.println(" void * "+temp.getSafeSymbol()+";");
1663 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1665 output.println("};\n");
1668 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1669 /* First the return type */
1670 if (md.getReturnType()!=null) {
1671 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1672 headersout.println(" int ");
1673 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1674 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1676 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1678 //catch the constructor case
1679 headersout.print("void ");
1681 /* Next the method name */
1682 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1684 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1685 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1689 /* Output parameter list*/
1690 for(int i=0; i<objectparams.numPrimitives(); i++) {
1691 TempDescriptor temp=objectparams.getPrimitive(i);
1693 headersout.print(", ");
1695 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1696 headersout.print("int " + temp.getSafeSymbol());
1697 } else if (temp.getType().isClass()||temp.getType().isArray())
1698 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1700 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1702 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1703 headersout.print(", int linenum");
1705 headersout.println(");\n");
1708 /* Output temp structure */
1709 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1710 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1711 output.println(" int size;");
1712 output.println(" void * next;");
1713 for(int i=0; i<objecttemps.numPointers(); i++) {
1714 TempDescriptor temp=objecttemps.getPointer(i);
1715 if (!temp.getType().isArray() && temp.getType().isNull())
1716 output.println(" void * "+temp.getSafeSymbol()+";");
1718 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1720 output.println("};\n");
1723 /********* Output method declaration ***********/
1724 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1725 /* First the return type */
1726 if (md.getReturnType()!=null) {
1727 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1728 headersout.println(" int ");
1729 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1730 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1732 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1734 //catch the constructor case
1735 headersout.print("void ");
1737 /* Next the method name */
1738 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1740 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1741 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1745 /* Output parameter list*/
1746 for(int i=0; i<objectparams.numPrimitives(); i++) {
1747 TempDescriptor temp=objectparams.getPrimitive(i);
1749 headersout.print(", ");
1751 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1752 headersout.print("int " + temp.getSafeSymbol());
1753 } else if (temp.getType().isClass()||temp.getType().isArray())
1754 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1756 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1758 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1759 headersout.print(", int linenum");
1761 headersout.println(");\n");
1765 /** This function outputs (1) structures that parameters are
1766 * passed in (when PRECISE GC is enabled) and (2) function
1767 * prototypes for the tasks */
1769 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1770 /* Cycle through tasks */
1771 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1773 while(taskit.hasNext()) {
1774 /* Classify parameters */
1775 TaskDescriptor task=(TaskDescriptor)taskit.next();
1776 FlatMethod fm=state.getMethodFlat(task);
1777 generateTempStructs(fm);
1779 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1780 TempObject objecttemps=(TempObject) tempstable.get(task);
1782 /* Output parameter structure */
1783 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1784 output.println("struct "+task.getSafeSymbol()+"_params {");
1785 output.println(" int size;");
1786 output.println(" void * next;");
1787 for(int i=0; i<objectparams.numPointers(); i++) {
1788 TempDescriptor temp=objectparams.getPointer(i);
1789 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1792 output.println("};\n");
1793 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1794 maxtaskparams=objectparams.numPointers()+fm.numTags();
1798 /* Output temp structure */
1799 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1800 output.println("struct "+task.getSafeSymbol()+"_locals {");
1801 output.println(" int size;");
1802 output.println(" void * next;");
1803 for(int i=0; i<objecttemps.numPointers(); i++) {
1804 TempDescriptor temp=objecttemps.getPointer(i);
1805 if (!temp.getType().isArray() && temp.getType().isNull())
1806 output.println(" void * "+temp.getSafeSymbol()+";");
1807 else if(temp.getType().isTag())
1808 output.println(" struct "+
1809 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1811 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1813 output.println("};\n");
1816 /* Output task declaration */
1817 headersout.print("void " + task.getSafeSymbol()+"(");
1819 boolean printcomma=false;
1820 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1821 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1823 headersout.print("void * parameterarray[]");
1824 headersout.println(");\n");
1828 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1829 if (State.PRINTFLAT)
1830 System.out.println(fm.printMethod());
1831 MethodDescriptor md=fm.getMethod();
1832 TaskDescriptor task=fm.getTask();
1833 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1834 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null ? md : task);
1836 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1837 // generate a special static init version
1838 mgcstaticinit = true;
1839 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1841 generateHeader(fm, md!=null ? md : task,output);
1842 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1844 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1845 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1846 output.print(objecttemp.numPointers()+",");
1847 output.print(paramsprefix);
1848 for(int j=0; j<objecttemp.numPointers(); j++)
1849 output.print(", NULL");
1850 output.println("};");
1853 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1854 TempDescriptor td=objecttemp.getPrimitive(i);
1855 TypeDescriptor type=td.getType();
1856 if (type.isNull() && !type.isArray())
1857 output.println(" void * "+td.getSafeSymbol()+";");
1858 else if (type.isClass() && type.getClassDesc().isEnum()) {
1859 output.println(" int " + td.getSafeSymbol() + ";");
1860 } else if (type.isClass()||type.isArray())
1861 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1863 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1866 additionalCodeAtTopFlatMethodBody(output, fm);
1868 /* Check to see if we need to do a GC if this is a
1869 * multi-threaded program...*/
1871 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1872 || this.state.MULTICOREGC) {
1873 //Don't bother if we aren't in recursive methods...The loops case will catch it
1874 if (callgraph.getAllMethods(md).contains(md)) {
1875 if (this.state.MULTICOREGC) {
1876 output.println("if(gcflag) gc("+localsprefixaddr+");");
1878 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1883 generateCode(fm.getNext(0), fm, null, output);
1885 output.println("}\n\n");
1887 mgcstaticinit = false;
1890 generateHeader(fm, md!=null ? md : task,output);
1891 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1893 if((md != null) && (md.isStaticBlock())) {
1894 mgcstaticinit = true;
1897 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1899 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1901 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1902 output.print(objecttemp.numPointers()+",");
1903 output.print(paramsprefix);
1904 for(int j=0; j<objecttemp.numPointers(); j++)
1905 output.print(", NULL");
1906 output.println("};");
1909 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1910 TempDescriptor td=objecttemp.getPrimitive(i);
1911 TypeDescriptor type=td.getType();
1912 if (type.isNull() && !type.isArray())
1913 output.println(" void * "+td.getSafeSymbol()+";");
1914 else if (type.isClass() && type.getClassDesc().isEnum()) {
1915 output.println(" int " + td.getSafeSymbol() + ";");
1916 } else if (type.isClass()||type.isArray())
1917 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1919 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1922 additionalCodeAtTopFlatMethodBody(output, fm);
1924 /* Check to see if we need to do a GC if this is a
1925 * multi-threaded program...*/
1927 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1928 || this.state.MULTICOREGC) {
1929 //Don't bother if we aren't in recursive methods...The loops case will catch it
1930 if (callgraph.getAllMethods(md).contains(md)) {
1931 if (this.state.MULTICOREGC) {
1932 output.println("if(gcflag) gc("+localsprefixaddr+");");
1934 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1939 if(fm.getMethod().isStaticBlock()) {
1940 // a static block, check if it has been executed
1941 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
1942 output.println(" return;");
1943 output.println(" }");
1947 generateCode(fm.getNext(0), fm, null, output);
1949 output.println("}\n\n");
1951 mgcstaticinit = false;
1954 protected void generateCode(FlatNode first,
1956 Set<FlatNode> stopset,
1957 PrintWriter output) {
1959 /* Assign labels to FlatNode's if necessary.*/
1961 Hashtable<FlatNode, Integer> nodetolabel;
1963 nodetolabel=assignLabels(first, stopset);
1965 Set<FlatNode> storeset=null;
1966 HashSet<FlatNode> genset=null;
1967 HashSet<FlatNode> refset=null;
1968 Set<FlatNode> unionset=null;
1970 /* Do the actual code generation */
1971 FlatNode current_node=null;
1972 HashSet tovisit=new HashSet();
1973 HashSet visited=new HashSet();
1975 while(current_node!=null||!tovisit.isEmpty()) {
1976 if (current_node==null) {
1977 current_node=(FlatNode)tovisit.iterator().next();
1978 tovisit.remove(current_node);
1979 } else if (tovisit.contains(current_node)) {
1980 tovisit.remove(current_node);
1982 visited.add(current_node);
1983 if (nodetolabel.containsKey(current_node)) {
1984 output.println("L"+nodetolabel.get(current_node)+":");
1986 if (state.INSTRUCTIONFAILURE) {
1988 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1990 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1992 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
1994 generateFlatNode(fm, current_node, output);
1996 if (state.OOOJAVA && stopset!=null) {
1997 assert first.getPrev(0) instanceof FlatSESEEnterNode;
1998 assert current_node instanceof FlatSESEExitNode;
1999 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2000 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2001 assert fsen.getFlatExit().equals(fsxn);
2002 assert fsxn.getFlatEnter().equals(fsen);
2004 if (current_node.kind()!=FKind.FlatReturnNode) {
2005 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2006 // a static block, check if it has been executed
2007 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2010 output.println(" return;");
2013 } else if(current_node.numNext()==1) {
2015 if (state.OOOJAVA &&
2016 current_node.kind()==FKind.FlatSESEEnterNode) {
2017 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2018 generateFlatNode(fm, current_node, output);
2019 nextnode=fsen.getFlatExit().getNext(0);
2022 generateFlatNode(fm, current_node, output);
2023 nextnode=current_node.getNext(0);
2025 if (visited.contains(nextnode)) {
2026 output.println("goto L"+nodetolabel.get(nextnode)+";");
2029 current_node=nextnode;
2030 } else if (current_node.numNext()==2) {
2033 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2034 if (!visited.contains(current_node.getNext(1)))
2035 tovisit.add(current_node.getNext(1));
2036 if (visited.contains(current_node.getNext(0))) {
2037 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2040 current_node=current_node.getNext(0);
2041 } else throw new Error();
2045 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2046 HashSet tovisit=new HashSet();
2047 HashSet visited=new HashSet();
2049 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2052 /*Assign labels first. A node needs a label if the previous
2053 * node has two exits or this node is a join point. */
2055 while(!tovisit.isEmpty()) {
2056 FlatNode fn=(FlatNode)tovisit.iterator().next();
2061 if(lastset!=null&&lastset.contains(fn)) {
2062 // if last is not null and matches, don't go
2063 // any further for assigning labels
2067 for(int i=0; i<fn.numNext(); i++) {
2068 FlatNode nn=fn.getNext(i);
2071 //1) Edge >1 of node
2072 nodetolabel.put(nn,new Integer(labelindex++));
2074 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2078 nodetolabel.put(nn,new Integer(labelindex++));
2085 /** Generate text string that corresponds to the TempDescriptor td. */
2086 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2087 MethodDescriptor md=fm.getMethod();
2088 TaskDescriptor task=fm.getTask();
2089 TempObject objecttemps=(TempObject) tempstable.get(md!=null ? md : task);
2091 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2092 return td.getSafeSymbol();
2095 if (objecttemps.isLocalPtr(td)) {
2096 return localsprefixderef+td.getSafeSymbol();
2099 if (objecttemps.isParamPtr(td)) {
2100 return paramsprefix+"->"+td.getSafeSymbol();
2108 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2109 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2110 additionalCodePreNode(fm, fn, output);
2113 case FKind.FlatAtomicEnterNode:
2114 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2117 case FKind.FlatAtomicExitNode:
2118 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2121 case FKind.FlatInstanceOfNode:
2122 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2125 case FKind.FlatSESEEnterNode:
2126 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2129 case FKind.FlatSESEExitNode:
2130 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2133 case FKind.FlatWriteDynamicVarNode:
2134 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2137 case FKind.FlatGlobalConvNode:
2138 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2141 case FKind.FlatTagDeclaration:
2142 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2145 case FKind.FlatCall:
2146 generateFlatCall(fm, (FlatCall) fn,output);
2149 case FKind.FlatFieldNode:
2150 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2153 case FKind.FlatElementNode:
2154 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2157 case FKind.FlatSetElementNode:
2158 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2161 case FKind.FlatSetFieldNode:
2162 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2166 generateFlatNew(fm, (FlatNew) fn,output);
2169 case FKind.FlatOpNode:
2170 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2173 case FKind.FlatCastNode:
2174 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2177 case FKind.FlatLiteralNode:
2178 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2181 case FKind.FlatReturnNode:
2182 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2186 output.println("/* nop */");
2189 case FKind.FlatGenReachNode:
2190 // this node is just for generating a reach graph
2191 // in disjointness analysis at a particular program point
2194 case FKind.FlatExit:
2195 output.println("/* exit */");
2198 case FKind.FlatBackEdge:
2199 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2202 case FKind.FlatCheckNode:
2203 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2206 case FKind.FlatFlagActionNode:
2207 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2210 case FKind.FlatPrefetchNode:
2211 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2214 case FKind.FlatOffsetNode:
2215 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2222 additionalCodePostNode(fm, fn, output);
2225 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2226 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2227 || (this.state.MULTICOREGC)) {
2228 if(this.state.MULTICOREGC) {
2229 output.println("if (gcflag) gc("+localsprefixaddr+");");
2231 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2234 output.println("/* nop */");
2237 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2238 output.println("/* FlatOffsetNode */");
2239 FieldDescriptor fd=fofn.getField();
2240 if(!fd.isStatic()) {
2241 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2242 fd.getSafeSymbol()+");");
2244 output.println("/* offset */");
2247 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2250 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2253 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2256 if (fion.getType().isArray()) {
2257 type=state.getArrayNumber(fion.getType())+state.numClasses();
2258 } else if (fion.getType().getClassDesc().isInterface()) {
2259 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2261 type=fion.getType().getClassDesc().getId();
2263 if (fion.getSrc().getType().isArray()) {
2264 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2265 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2266 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2268 otype=fion.getSrc().getType().getClassDesc().getId();
2271 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2272 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2274 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2278 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2281 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2284 public void generateFlatSESEEnterNode(FlatMethod fm,
2285 FlatSESEEnterNode fsen,
2286 PrintWriter output) {
2287 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2288 // just skip over them and code generates exactly the same
2291 public void generateFlatSESEExitNode(FlatMethod fm,
2292 FlatSESEExitNode fsexn,
2293 PrintWriter output) {
2294 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2295 // just skip over them and code generates exactly the same
2298 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2299 FlatWriteDynamicVarNode fwdvn,
2300 PrintWriter output) {
2304 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2305 if (state.CONSCHECK) {
2306 String specname=fcn.getSpec();
2307 String varname="repairstate___";
2308 output.println("{");
2309 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2311 TempDescriptor[] temps=fcn.getTemps();
2312 String[] vars=fcn.getVars();
2313 for(int i=0; i<temps.length; i++) {
2314 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2317 output.println("if (doanalysis"+specname+"("+varname+")) {");
2318 output.println("free"+specname+"_state("+varname+");");
2319 output.println("} else {");
2320 output.println("/* Bad invariant */");
2321 output.println("free"+specname+"_state("+varname+");");
2322 output.println("abort_task();");
2323 output.println("}");
2324 output.println("}");
2328 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2329 MethodDescriptor md=fc.getMethod();
2330 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2331 ClassDescriptor cn=md.getClassDesc();
2332 String mdstring = md.getSafeMethodDescriptor();
2333 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2334 mdstring += "staticinit";
2337 // if the called method is a static block or a static method or a constructor
2338 // need to check if it can be invoked inside some static block
2339 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2340 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2341 if(!md.isInvokedByStatic()) {
2342 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2344 // is a static block or is invoked in some static block
2345 ClassDescriptor cd = fm.getMethod().getClassDesc();
2347 // the same class, do nothing
2348 } else if(mgcstaticinit) {
2349 // generate static init check code if it has not done static init in main()
2350 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2351 // need to check if the class' static fields have been initialized and/or
2352 // its static blocks have been executed
2353 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2354 if(cn.getNumStaticBlocks() != 0) {
2355 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2356 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2357 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2358 output.println("0, NULL};");
2359 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2361 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2364 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2366 output.println("}");
2370 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2371 output.println("{");
2372 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2373 output.println("int monitorenterline = __LINE__;");
2375 // call MonitorEnter/MonitorExit on a class obj
2376 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2377 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2378 output.println("1," + localsprefixaddr + ", global_defs_p->"+ fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj};");
2379 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2380 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2382 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2385 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2386 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(global_defs_p->"
2387 + fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj));");
2389 output.println("}");
2393 output.println("{");
2394 if(md.getSymbol().equals("MonitorEnter")) {
2395 output.println("int monitorenterline = __LINE__;");
2397 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2398 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2399 output.print(objectparams.numPointers());
2400 output.print(", "+localsprefixaddr);
2401 if (md.getThis()!=null) {
2403 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2405 if (fc.getThis()!=null&&md.getThis()==null) {
2406 System.out.println("WARNING!!!!!!!!!!!!");
2407 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2411 for(int i=0; i<fc.numArgs(); i++) {
2412 Descriptor var=md.getParameter(i);
2413 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2414 if (objectparams.isParamPtr(paramtemp)) {
2415 TempDescriptor targ=fc.getArg(i);
2417 TypeDescriptor td=md.getParamType(i);
2419 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2421 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2424 output.println("};");
2429 if (fc.getReturnTemp()!=null)
2430 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2432 /* Do we need to do virtual dispatch? */
2433 if (!md.isStatic()&&md.getReturnType()!=null&&fc.getThis().getType().getClassDesc()==null) {
2434 System.out.println(fm);
2435 System.out.println(md);
2436 System.out.println(fc);
2437 System.out.println(fm.printMethod());
2440 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2442 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2446 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2447 output.print("int ");
2448 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2449 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2451 output.print(md.getReturnType().getSafeSymbol()+" ");
2452 output.print("(*)(");
2454 boolean printcomma=false;
2455 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2456 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2460 for(int i=0; i<objectparams.numPrimitives(); i++) {
2461 TempDescriptor temp=objectparams.getPrimitive(i);
2465 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2466 output.print("int ");
2467 } else if (temp.getType().isClass()||temp.getType().isArray())
2468 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2470 output.print(temp.getType().getSafeSymbol());
2473 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2474 output.print(", int");
2476 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2480 boolean needcomma=false;
2481 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2482 output.print("&__parameterlist__");
2486 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2487 if (fc.getThis()!=null) {
2488 TypeDescriptor ptd=null;
2489 if(md.getThis() != null) {
2490 ptd = md.getThis().getType();
2492 ptd = fc.getThis().getType();
2496 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2498 } else if (ptd.isClass()&&!ptd.isArray())
2499 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2500 output.print(generateTemp(fm,fc.getThis()));
2505 for(int i=0; i<fc.numArgs(); i++) {
2506 Descriptor var=md.getParameter(i);
2507 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2508 if (objectparams.isParamPrim(paramtemp)) {
2509 TempDescriptor targ=fc.getArg(i);
2513 TypeDescriptor ptd=md.getParamType(i);
2514 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2516 } else if (ptd.isClass()&&!ptd.isArray())
2517 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2518 output.print(generateTemp(fm, targ));
2522 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2523 output.println(", monitorenterline);");
2525 output.println(");");
2527 output.println(" }");
2530 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2531 if(thiscd.isInterface()) {
2532 // for interfaces, always need virtual dispatch
2535 Set subclasses=typeutil.getSubClasses(thiscd);
2536 if (subclasses==null)
2538 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2539 ClassDescriptor cd=(ClassDescriptor)classit.next();
2540 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2541 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2542 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2543 if (md.matches(matchmd))
2551 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2553 if(ffn.getField().isStatic()) {
2555 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2556 // is a static block or is invoked in some static block
2557 ClassDescriptor cd = fm.getMethod().getClassDesc();
2558 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2560 // the same class, do nothing
2561 } else if(mgcstaticinit) {
2562 // generate the static init check code if has not done the static init in main()
2563 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2564 // need to check if the class' static fields have been initialized and/or
2565 // its static blocks have been executed
2566 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2567 if(cn.getNumStaticBlocks() != 0) {
2568 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2569 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2570 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2571 output.println("0, NULL};");
2572 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2574 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2577 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2579 output.println("}");
2583 // redirect to the global_defs_p structure
2584 if (ffn.getField().getType().isPtr())
2585 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2587 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2588 } else if (ffn.getField().isEnum()) {
2589 // an Enum value, directly replace the field access as int
2590 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2592 output.println("#ifdef MULTICORE_DEBUG");
2593 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2594 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2595 if(state.MULTICOREGC) {
2596 output.println("failednullptr(&___locals___);");
2598 output.println("failednullptr(NULL);");
2600 output.println("}");
2601 output.println("#endif //MULTICORE_DEBUG");
2602 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2607 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2608 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2609 throw new Error("Can't set array length");
2610 if (state.FASTCHECK) {
2611 String dst=generateTemp(fm, fsfn.getDst());
2612 output.println("if(!"+dst+"->"+localcopystr+") {");
2613 /* Link object into list */
2614 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2615 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2617 output.println("COPY_OBJ("+dst+");");
2618 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2619 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2620 output.println("}");
2623 if(fsfn.getField().isStatic()) {
2625 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2626 // is a static block or is invoked in some static block
2627 ClassDescriptor cd = fm.getMethod().getClassDesc();
2628 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2629 if(cd != cn && mgcstaticinit){
2630 // generate static init check code if has not done the static init in main()
2631 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2632 // need to check if the class' static fields have been initialized and/or
2633 // its static blocks have been executed
2634 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2635 if(cn.getNumStaticBlocks() != 0) {
2636 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2637 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2638 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2639 output.println("0, NULL};");
2640 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2642 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2645 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2647 output.println("}");
2651 // redirect to the global_defs_p structure
2652 if (fsfn.getField().getType().isPtr()) {
2653 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2654 output.println("global_defs_p->" +
2655 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2657 output.println("global_defs_p->" +
2658 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2660 output.println("global_defsprim_p->" +
2661 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2663 output.println("#ifdef MULTICORE_DEBUG");
2664 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2665 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2666 if(state.MULTICOREGC) {
2667 output.println("failednullptr(&___locals___);");
2669 output.println("failednullptr(NULL);");
2671 output.println("}");
2672 output.println("#endif //MULTICORE_DEBUG");
2673 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2674 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2675 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2677 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2678 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2683 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2684 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2687 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2689 } else if (elementtype.isArray()||elementtype.isClass())
2692 type=elementtype.getSafeSymbol()+" ";
2694 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2695 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2696 output.println("failedboundschk(" + (boundschknum++) + ");");
2698 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2701 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2702 //TODO: need dynamic check to make sure this assignment is actually legal
2703 //Because Object[] could actually be something more specific...ie. Integer[]
2705 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2708 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2710 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2713 type=elementtype.getSafeSymbol()+" ";
2715 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2716 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2717 output.println("failedboundschk(" + (boundschknum++) + ");");
2719 if (state.FASTCHECK) {
2720 String dst=generateTemp(fm, fsen.getDst());
2721 output.println("if(!"+dst+"->"+localcopystr+") {");
2722 /* Link object into list */
2723 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2724 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2726 output.println("COPY_OBJ("+dst+");");
2727 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2728 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2729 output.println("}");
2731 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2735 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2736 if (fn.getType().isArray()) {
2737 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2738 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2739 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2741 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2744 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2745 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2747 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2750 if (state.FASTCHECK) {
2751 String dst=generateTemp(fm,fn.getDst());
2752 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2753 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2754 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2758 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2759 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2760 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2762 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2766 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2767 if (fon.getRight()!=null) {
2768 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2769 if (fon.getLeft().getType().isLong())
2770 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2772 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2775 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2776 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2778 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2780 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2781 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2782 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2784 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2785 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2786 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2787 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2788 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2789 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2790 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2791 else if (fon.getOp().getOp()==Operation.COMP)
2792 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2793 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2794 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2796 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2799 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2800 /* TODO: Do type check here */
2801 if (fcn.getType().isArray()) {
2802 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2803 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2804 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2805 } else if (fcn.getType().isClass())
2806 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2808 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2813 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2814 if (fln.getValue()==null)
2815 output.println(generateTemp(fm, fln.getDst())+"=0;");
2816 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2817 String str=(String)fln.getValue();
2818 output.println("{");
2819 output.print("short str"+flncount+"[]={");
2820 for(int i=0;i<str.length();i++) {
2823 output.print(((int)str.charAt(i)));
2825 output.println("};");
2826 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2827 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
2829 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
2831 output.println("}");
2833 } else if (fln.getType().isBoolean()) {
2834 if (((Boolean)fln.getValue()).booleanValue())
2835 output.println(generateTemp(fm, fln.getDst())+"=1;");
2837 output.println(generateTemp(fm, fln.getDst())+"=0;");
2838 } else if (fln.getType().isChar()) {
2839 int val=(int)(((Character)fln.getValue()).charValue());
2840 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
2841 } else if (fln.getType().isLong()) {
2842 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2844 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2847 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2848 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2849 // a static block, check if it has been executed
2850 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2854 if (frn.getReturnTemp()!=null) {
2855 if (frn.getReturnTemp().getType().isPtr())
2856 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2858 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2860 output.println("return;");
2864 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2865 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2868 /** This method generates header information for the method or
2869 * task referenced by the Descriptor des. */
2870 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2871 generateHeader(fm, des, output, false);
2874 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2876 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2877 MethodDescriptor md=null;
2878 TaskDescriptor task=null;
2879 if (des instanceof MethodDescriptor)
2880 md=(MethodDescriptor) des;
2882 task=(TaskDescriptor) des;
2883 String mdstring = md != null ? md.getSafeMethodDescriptor() : null;
2885 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2887 if (md!=null&&md.getReturnType()!=null) {
2888 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2889 output.print("int ");
2890 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2891 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2893 output.print(md.getReturnType().getSafeSymbol()+" ");
2895 //catch the constructor case
2896 output.print("void ");
2898 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2899 mdstring += "staticinit";
2901 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2903 output.print(task.getSafeSymbol()+"(");
2905 boolean printcomma=false;
2906 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2908 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2910 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2916 for(int i=0; i<objectparams.numPrimitives(); i++) {
2917 TempDescriptor temp=objectparams.getPrimitive(i);
2921 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2922 output.print("int " + temp.getSafeSymbol());
2923 } else if (temp.getType().isClass()||temp.getType().isArray())
2924 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2926 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2928 output.println(") {");
2929 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2930 /* Imprecise Task */
2931 output.println("void * parameterarray[]) {");
2932 /* Unpack variables */
2933 for(int i=0; i<objectparams.numPrimitives(); i++) {
2934 TempDescriptor temp=objectparams.getPrimitive(i);
2935 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2936 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2938 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2941 for(int i=0; i<fm.numTags(); i++) {
2942 TempDescriptor temp=fm.getTag(i);
2943 int offset=i+objectparams.numPrimitives();
2944 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2947 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2948 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2949 } else output.println(") {");
2952 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
2953 output.println("/* FlatFlagActionNode */");
2956 /* Process tag changes */
2957 Relation tagsettable=new Relation();
2958 Relation tagcleartable=new Relation();
2960 Iterator tagsit=ffan.getTempTagPairs();
2961 while (tagsit.hasNext()) {
2962 TempTagPair ttp=(TempTagPair) tagsit.next();
2963 TempDescriptor objtmp=ttp.getTemp();
2964 TagDescriptor tag=ttp.getTag();
2965 TempDescriptor tagtmp=ttp.getTagTemp();
2966 boolean tagstatus=ffan.getTagChange(ttp);
2968 tagsettable.put(objtmp, tagtmp);
2970 tagcleartable.put(objtmp, tagtmp);
2975 Hashtable flagandtable=new Hashtable();
2976 Hashtable flagortable=new Hashtable();
2978 /* Process flag changes */
2979 Iterator flagsit=ffan.getTempFlagPairs();
2980 while(flagsit.hasNext()) {
2981 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2982 TempDescriptor temp=tfp.getTemp();
2983 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2984 FlagDescriptor flag=tfp.getFlag();
2986 //Newly allocate objects that don't set any flags case
2987 if (flagortable.containsKey(temp)) {
2991 flagortable.put(temp,new Integer(mask));
2993 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2994 boolean flagstatus=ffan.getFlagChange(tfp);
2997 if (flagortable.containsKey(temp)) {
2998 mask=((Integer)flagortable.get(temp)).intValue();
3001 flagortable.put(temp,new Integer(mask));
3003 int mask=0xFFFFFFFF;
3004 if (flagandtable.containsKey(temp)) {
3005 mask=((Integer)flagandtable.get(temp)).intValue();
3007 mask&=(0xFFFFFFFF^flagid);
3008 flagandtable.put(temp,new Integer(mask));
3014 HashSet flagtagset=new HashSet();
3015 flagtagset.addAll(flagortable.keySet());
3016 flagtagset.addAll(flagandtable.keySet());
3017 flagtagset.addAll(tagsettable.keySet());
3018 flagtagset.addAll(tagcleartable.keySet());
3020 Iterator ftit=flagtagset.iterator();
3021 while(ftit.hasNext()) {
3022 TempDescriptor temp=(TempDescriptor)ftit.next();
3025 Set tagtmps=tagcleartable.get(temp);
3026 if (tagtmps!=null) {
3027 Iterator tagit=tagtmps.iterator();
3028 while(tagit.hasNext()) {
3029 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3030 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3031 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3033 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3037 tagtmps=tagsettable.get(temp);
3038 if (tagtmps!=null) {
3039 Iterator tagit=tagtmps.iterator();
3040 while(tagit.hasNext()) {
3041 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3042 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3043 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3045 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3050 int andmask=0xFFFFFFF;
3052 if (flagortable.containsKey(temp))
3053 ormask=((Integer)flagortable.get(temp)).intValue();
3054 if (flagandtable.containsKey(temp))
3055 andmask=((Integer)flagandtable.get(temp)).intValue();
3056 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3057 generateObjectDistribute(ffan, fm, temp, output);
3061 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3062 PrintWriter output, int ormask, int andmask) {
3063 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3064 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3066 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3070 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3071 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3074 void generateOptionalHeader(PrintWriter headers) {
3077 headers.println("#include \"task.h\"\n\n");
3078 headers.println("#ifndef _OPTIONAL_STRUCT_");
3079 headers.println("#define _OPTIONAL_STRUCT_");
3081 //STRUCT PREDICATEMEMBER
3082 headers.println("struct predicatemember{");
3083 headers.println("int type;");
3084 headers.println("int numdnfterms;");
3085 headers.println("int * flags;");
3086 headers.println("int numtags;");
3087 headers.println("int * tags;\n};\n\n");
3089 //STRUCT OPTIONALTASKDESCRIPTOR
3090 headers.println("struct optionaltaskdescriptor{");
3091 headers.println("struct taskdescriptor * task;");
3092 headers.println("int index;");
3093 headers.println("int numenterflags;");
3094 headers.println("int * enterflags;");
3095 headers.println("int numpredicatemembers;");
3096 headers.println("struct predicatemember ** predicatememberarray;");
3097 headers.println("};\n\n");
3099 //STRUCT TASKFAILURE
3100 headers.println("struct taskfailure {");
3101 headers.println("struct taskdescriptor * task;");
3102 headers.println("int index;");
3103 headers.println("int numoptionaltaskdescriptors;");
3104 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3106 //STRUCT FSANALYSISWRAPPER
3107 headers.println("struct fsanalysiswrapper{");
3108 headers.println("int flags;");
3109 headers.println("int numtags;");
3110 headers.println("int * tags;");
3111 headers.println("int numtaskfailures;");
3112 headers.println("struct taskfailure ** taskfailurearray;");
3113 headers.println("int numoptionaltaskdescriptors;");
3114 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3116 //STRUCT CLASSANALYSISWRAPPER
3117 headers.println("struct classanalysiswrapper{");
3118 headers.println("int type;");
3119 headers.println("int numotd;");
3120 headers.println("struct optionaltaskdescriptor ** otdarray;");
3121 headers.println("int numfsanalysiswrappers;");
3122 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3124 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3126 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3127 while(taskit.hasNext()) {
3128 TaskDescriptor td=(TaskDescriptor)taskit.next();
3129 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3134 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3135 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3136 int predicateindex = 0;
3137 //iterate through the classes concerned by the predicate
3138 Set c_vard = predicate.vardescriptors;
3139 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3142 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3143 VarDescriptor vard = (VarDescriptor)vard_it.next();
3144 TypeDescriptor typed = vard.getType();
3146 //generate for flags
3147 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3148 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3150 if (fen_hashset!=null) {
3151 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3152 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3154 DNFFlag dflag=fen.getDNF();
3155 numberterms+=dflag.size();
3157 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3159 for(int j=0; j<dflag.size(); j++) {
3161 output.println(",");
3162 Vector term=dflag.get(j);
3165 for(int k=0; k<term.size(); k++) {
3166 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3167 FlagDescriptor fd=dfa.getFlag();
3168 boolean negated=dfa.getNegated();
3169 int flagid=1<<((Integer)flags.get(fd)).intValue();
3174 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3179 output.println("};\n");
3182 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3183 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3186 for(int j=0; j<tagel.numTags(); j++) {
3188 output.println(",");
3189 TempDescriptor tmp=tagel.getTemp(j);
3190 if (!slotnumber.containsKey(tmp)) {
3191 Integer slotint=new Integer(current_slot++);
3192 slotnumber.put(tmp,slotint);
3194 int slot=slotnumber.get(tmp).intValue();
3195 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3197 numtags = tagel.numTags();
3199 output.println("};");
3201 //store the result into a predicatemember struct
3202 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3203 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3204 output.println("/* number of dnf terms */"+numberterms+",");
3205 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3206 output.println("/* number of tag */"+numtags+",");
3207 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3208 output.println("};\n");
3213 //generate an array that stores the entire predicate
3214 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3215 for( int j = 0; j<predicateindex; j++) {
3216 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3217 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3219 output.println("};\n");
3220 return predicateindex;
3224 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3225 generateOptionalHeader(headers);
3227 output.println("#include \"optionalstruct.h\"\n\n");
3228 output.println("#include \"stdlib.h\"\n");
3230 HashSet processedcd = new HashSet();
3232 Enumeration e = safeexecution.keys();
3233 while (e.hasMoreElements()) {
3236 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3237 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3239 //Generate the struct of optionals
3240 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3241 numotd = c_otd.size();
3242 if(maxotd<numotd) maxotd = numotd;
3243 if( !c_otd.isEmpty() ) {
3244 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3245 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3247 //generate the int arrays for the predicate
3248 Predicate predicate = otd.predicate;
3249 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3250 TreeSet<Integer> fsset=new TreeSet<Integer>();
3251 //iterate through possible FSes corresponding to
3252 //the state when entering
3254 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3255 FlagState fs = (FlagState)fses.next();
3257 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3258 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3259 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3262 fsset.add(new Integer(flagid));
3263 //tag information not needed because tag
3264 //changes are not tolerated.
3267 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3268 boolean needcomma=false;
3269 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3272 output.println(it.next());
3275 output.println("};\n");
3278 //generate optionaltaskdescriptor that actually
3279 //includes exit fses, predicate and the task
3281 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3282 output.println("&task_"+otd.td.getSafeSymbol()+",");
3283 output.println("/*index*/"+otd.getIndex()+",");
3284 output.println("/*number of enter flags*/"+fsset.size()+",");
3285 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3286 output.println("/*number of members */"+predicateindex+",");
3287 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3288 output.println("};\n");
3292 // if there are no optionals, there is no need to build the rest of the struct
3294 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3295 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3296 if( !c_otd.isEmpty() ) {
3297 boolean needcomma=false;
3298 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3299 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3301 output.println(",");
3303 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3306 output.println("};\n");
3308 //get all the possible flagstates reachable by an object
3309 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3311 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3312 fsts.addAll(hashtbtemp.keySet());
3313 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3314 FlagState fs = (FlagState)fsit.next();
3317 //get the set of OptionalTaskDescriptors corresponding
3318 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3319 //iterate through the OptionalTaskDescriptors and
3320 //store the pointers to the optionals struct (see on
3321 //top) into an array
3323 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3324 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3325 OptionalTaskDescriptor mm = mos.next();
3327 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3329 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3332 output.println("};\n");
3334 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3337 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3338 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3339 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3343 //process tag information
3346 boolean first = true;
3347 Enumeration tag_enum = fs.getTags();
3348 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3349 while(tag_enum.hasMoreElements()) {
3351 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3355 output.println(", ");
3356 output.println("/*tagid*/"+state.getTagId(tagd));
3358 output.println("};");
3360 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3361 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3362 TaskIndex ti=itti.next();
3366 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3368 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3369 boolean needcomma=false;
3370 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3371 OptionalTaskDescriptor otd=otdit.next();
3375 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3377 output.println("};");
3379 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3380 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3381 output.print(ti.getIndex()+", ");
3382 output.print(otdset.size()+", ");
3383 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3384 output.println("};");
3387 tiset=sa.getTaskIndex(fs);
3388 boolean needcomma=false;
3390 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3391 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3392 TaskIndex ti=itti.next();
3393 if (ti.isRuntime()) {
3400 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3402 output.println("};\n");
3404 //Store the result in fsanalysiswrapper
3406 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3407 output.println("/*flag*/"+flagid+",");
3408 output.println("/* number of tags*/"+tagcounter+",");
3409 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3410 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3411 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3412 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3413 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3414 output.println("};\n");
3418 //Build the array of fsanalysiswrappers
3419 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3420 boolean needcomma=false;
3421 for(int i = 0; i<fscounter; i++) {
3422 if (needcomma) output.print(",");
3423 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3426 output.println("};");
3428 //Build the classanalysiswrapper referring to the previous array
3429 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3430 output.println("/*type*/"+cdtemp.getId()+",");
3431 output.println("/*numotd*/"+numotd+",");
3432 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3433 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3434 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3435 processedcd.add(cdtemp);
3438 //build an array containing every classes for which code has been build
3439 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3440 for(int i=0; i<state.numClasses(); i++) {
3441 ClassDescriptor cn=cdarray[i];
3444 if ((cn != null) && (processedcd.contains(cn)))
3445 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3447 output.print("NULL");
3449 output.println("};");
3451 output.println("#define MAXOTD "+maxotd);
3452 headers.println("#endif");
3455 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3456 Relation r=new Relation();
3457 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3458 OptionalTaskDescriptor otd=otdit.next();
3459 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3463 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3464 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3465 Set s=r.get(it.next());
3466 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3467 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3475 // override these methods in a subclass of BuildCode
3476 // to generate code for additional systems
3477 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3479 protected void outputTransCode(PrintWriter output) {
3481 protected void buildCodeSetup() {
3483 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3485 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3487 protected void preCodeGenInitialization() {
3489 protected void postCodeGenCleanUp() {
3491 protected void additionalCodeGen(PrintWriter outmethodheader,
3492 PrintWriter outstructs,
3493 PrintWriter outmethod) {
3495 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3497 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3499 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3501 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3503 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3505 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3507 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3509 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3511 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3514 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3515 // we do not print out line number if no one explicitly set the number
3516 if(fn.getNumLine()!=-1){
3518 int lineNum=fn.getNumLine();
3520 // do not generate the line number if it is same as the previous one
3521 boolean needtoprint;
3522 if(fn.prev.size()==0){
3528 for(int i=0;i<fn.prev.size();i++){
3529 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3530 if(prevLineNum!=lineNum){
3536 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());