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 outglobaldefs.println(" struct ArrayObject * classobjs;");
156 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
157 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
158 outglobaldefsprim.println("");
159 outglobaldefsprim.println("struct global_defsprim_t {");
161 outclassdefs.println("#ifndef __CLASSDEF_H_");
162 outclassdefs.println("#define __CLASSDEF_H_");
163 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
165 // Output function prototypes and structures for parameters
166 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
167 while(it.hasNext()) {
168 ClassDescriptor cn=(ClassDescriptor)it.next();
169 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
171 outclassdefs.println("#include \"globaldefs.h\"");
172 outclassdefs.println("#include \"globaldefsprim.h\"");
173 outclassdefs.println("#endif");
174 outclassdefs.close();
176 outglobaldefs.println("};");
177 outglobaldefs.println("");
178 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
179 outglobaldefs.println("#endif");
180 outglobaldefs.flush();
181 outglobaldefs.close();
183 outglobaldefsprim.println("};");
184 outglobaldefsprim.println("");
185 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
186 outglobaldefsprim.println("#endif");
187 outglobaldefsprim.flush();
188 outglobaldefsprim.close();
191 /* Map flags to integers */
192 /* The runtime keeps track of flags using these integers */
193 it=state.getClassSymbolTable().getDescriptorsIterator();
194 while(it.hasNext()) {
195 ClassDescriptor cn=(ClassDescriptor)it.next();
199 generateTaskStructs(outstructs, outmethodheader);
201 /* Outputs generic task structures if this is a task
203 outputTaskTypes(outtask);
207 // an opportunity for subclasses to do extra
209 preCodeGenInitialization();
211 State.logEvent("Start outputMethods");
212 /* Build the actual methods */
213 outputMethods(outmethod);
214 State.logEvent("End outputMethods");
216 // opportunity for subclasses to gen extra code
217 additionalCodeGen(outmethodheader,
223 /* Output code for tasks */
224 outputTaskCode(outtaskdefs, outmethod);
226 /* Record maximum number of task parameters */
227 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
228 } else if (state.main!=null) {
229 /* Generate main method */
230 outputMainMethod(outmethod);
233 /* Generate information for task with optional parameters */
234 if (state.TASK&&state.OPTIONAL) {
235 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
236 outoptionalarrays.close();
239 /* Output structure definitions for repair tool */
240 if (state.structfile!=null) {
241 buildRepairStructs(outrepairstructs);
242 outrepairstructs.close();
246 outmethodheader.println("#endif");
247 outmethodheader.close();
249 outstructs.println("#endif");
254 postCodeGenCleanUp();
255 State.logEvent("End of buildCode");
258 /* This method goes though the call graph and tag those methods that are
259 * invoked inside static blocks
261 protected void tagMethodInvokedByStaticBlock() {
262 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
263 MethodDescriptor current_md=null;
264 HashSet tovisit=new HashSet();
265 HashSet visited=new HashSet();
267 while(it_sclasses.hasNext()) {
268 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
269 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
275 while(!tovisit.isEmpty()) {
276 current_md=(MethodDescriptor)tovisit.iterator().next();
277 tovisit.remove(current_md);
278 visited.add(current_md);
279 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
280 while(it_callee.hasNext()) {
281 Descriptor d = (Descriptor)it_callee.next();
282 if(d instanceof MethodDescriptor) {
283 if(!visited.contains(d)) {
284 ((MethodDescriptor)d).setIsInvokedByStatic(true);
292 /* This code generates code for each static block and static field
294 protected void outputStaticBlocks(PrintWriter outmethod) {
295 // execute all the static blocks and all the static field initializations
296 // execute all the static blocks and all the static field initializations
297 SymbolTable sctbl = this.state.getSClassSymbolTable();
298 Iterator it_sclasses = sctbl.getDescriptorsIterator();
299 if(it_sclasses.hasNext()) {
300 while(it_sclasses.hasNext()) {
301 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
302 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
304 outmethod.println(" {");
305 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
306 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
307 outmethod.println("0, NULL};");
308 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
310 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
312 outmethod.println(" }");
318 /* This code generates code to create a Class object for each class for
321 protected void outputClassObjects(PrintWriter outmethod) {
322 // create a global classobj array
323 outmethod.println(" {");
324 outmethod.println(" int i = 0;");
325 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
326 outmethod.println(" struct garbagelist dummy={0,NULL};");
327 outmethod.println(" global_defs_p->classobjs = allocate_newarray(&dummy, OBJECTARRAYTYPE, "
328 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
330 outmethod.println(" global_defs_p->classobjs = allocate_newarray(OBJECTARRAYTYPE, "
331 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
333 outmethod.println(" for(i = 0; i < " + (state.numClasses()+state.numArrays()+state.numInterfaces()) + "; i++) {");
334 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
335 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(NULL, " +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
337 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(" +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
339 outmethod.println(" }");
340 outmethod.println(" }");
343 /* This code just generates the main C method for java programs.
344 * The main C method packs up the arguments into a string array
345 * and passes it to the java main method. */
347 protected void outputMainMethod(PrintWriter outmethod) {
348 outmethod.println("int main(int argc, const char *argv[]) {");
349 outmethod.println(" int i;");
351 outmethod.println("initializethreads();");
353 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
354 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
355 if (GENERATEPRECISEGC) {
356 outmethod.println(" global_defs_p->size="+globaldefscount+";");
357 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
358 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
359 outmethod.println(" }");
361 outputStaticBlocks(outmethod);
362 outputClassObjects(outmethod);
365 additionalCodeAtTopOfMain(outmethod);
368 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
369 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
371 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
373 outmethod.println(" for(i=1;i<argc;i++) {");
374 outmethod.println(" int length=strlen(argv[i]);");
376 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
377 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
379 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
381 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
382 outmethod.println(" }");
384 MethodDescriptor md=typeutil.getMain();
385 ClassDescriptor cd=typeutil.getMainClass();
387 outmethod.println(" {");
388 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
389 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
390 outmethod.println("1, NULL,"+"stringarray};");
391 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
393 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
395 outmethod.println(" }");
398 outmethod.println("pthread_mutex_lock(&gclistlock);");
399 outmethod.println("threadcount--;");
400 outmethod.println("pthread_cond_signal(&gccond);");
401 outmethod.println("pthread_mutex_unlock(&gclistlock);");
404 if (state.EVENTMONITOR) {
405 outmethod.println("dumpdata();");
409 outmethod.println("pthread_exit(NULL);");
412 additionalCodeAtBottomOfMain(outmethod);
414 outmethod.println("}");
417 /* This method outputs code for each task. */
419 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
420 /* Compile task based program */
421 outtaskdefs.println("#include \"task.h\"");
422 outtaskdefs.println("#include \"methodheaders.h\"");
423 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
424 while(taskit.hasNext()) {
425 TaskDescriptor td=(TaskDescriptor)taskit.next();
426 FlatMethod fm=state.getMethodFlat(td);
428 generateFlatMethod(fm, outmethod);
429 generateTaskDescriptor(outtaskdefs, fm, td);
432 //Output task descriptors
433 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
434 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
436 while(taskit.hasNext()) {
437 TaskDescriptor td=(TaskDescriptor)taskit.next();
441 outtaskdefs.println(",");
442 outtaskdefs.print("&task_"+td.getSafeSymbol());
444 outtaskdefs.println("};");
446 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
450 /* This method outputs most of the methods.c file. This includes
451 * some standard includes and then an array with the sizes of
452 * objets and array that stores supertype and then the code for
453 * the Java methods.. */
454 protected void outputMethods(PrintWriter outmethod) {
455 outmethod.println("#include \"methodheaders.h\"");
456 outmethod.println("#include \"virtualtable.h\"");
457 outmethod.println("#include \"runtime.h\"");
459 // always include: compiler directives will leave out
460 // instrumentation when option is not set
461 if(!state.MULTICORE) {
462 outmethod.println("#include \"coreprof/coreprof.h\"");
465 if (state.FASTCHECK) {
466 outmethod.println("#include \"localobjects.h\"");
468 if(state.MULTICORE) {
470 outmethod.println("#include \"task.h\"");
472 outmethod.println("#include \"multicoreruntime.h\"");
473 outmethod.println("#include \"runtime_arch.h\"");
475 if (state.THREAD||state.DSM||state.SINGLETM) {
476 outmethod.println("#include <thread.h>");
479 outmethod.println("#include \"thread.h\"");
481 if (state.main!=null) {
482 outmethod.println("#include <string.h>");
484 if (state.CONSCHECK) {
485 outmethod.println("#include \"checkers.h\"");
489 additionalIncludesMethodsImplementation(outmethod);
491 outmethod.println("struct global_defs_t * global_defs_p;");
492 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
493 //Store the sizes of classes & array elements
494 generateSizeArray(outmethod);
496 //Store table of supertypes
497 generateSuperTypeTable(outmethod);
499 //Store the layout of classes
500 generateLayoutStructs(outmethod);
503 additionalCodeAtTopMethodsImplementation(outmethod);
505 generateMethods(outmethod);
508 protected void generateMethods(PrintWriter outmethod) {
509 /* Generate code for methods */
510 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
511 while(classit.hasNext()) {
512 ClassDescriptor cn=(ClassDescriptor)classit.next();
513 Iterator methodit=cn.getMethods();
514 while(methodit.hasNext()) {
515 /* Classify parameters */
516 MethodDescriptor md=(MethodDescriptor)methodit.next();
517 if (!callgraph.isCallable(md)) {
521 FlatMethod fm=state.getMethodFlat(md);
522 if (!md.getModifiers().isNative()) {
523 generateFlatMethod(fm, outmethod);
529 protected void outputStructs(PrintWriter outstructs) {
530 outstructs.println("#ifndef STRUCTDEFS_H");
531 outstructs.println("#define STRUCTDEFS_H");
532 outstructs.println("#include \"classdefs.h\"");
533 outstructs.println("#ifndef INTPTR");
534 outstructs.println("#ifdef BIT64");
535 outstructs.println("#define INTPTR long");
536 outstructs.println("#else");
537 outstructs.println("#define INTPTR int");
538 outstructs.println("#endif");
539 outstructs.println("#endif");
542 additionalIncludesStructsHeader(outstructs);
545 /* Output #defines that the runtime uses to determine type
546 * numbers for various objects it needs */
547 outstructs.println("#define MAXCOUNT "+maxcount);
549 outstructs.println("#define STRINGARRAYTYPE "+
550 (state.getArrayNumber(
551 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
553 outstructs.println("#define OBJECTARRAYTYPE "+
554 (state.getArrayNumber(
555 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
558 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
559 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
560 outstructs.println("#define CHARARRAYTYPE "+
561 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
563 outstructs.println("#define BYTEARRAYTYPE "+
564 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
566 outstructs.println("#define BYTEARRAYARRAYTYPE "+
567 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
569 outstructs.println("#define NUMCLASSES "+state.numClasses());
570 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
571 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
573 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
574 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
575 outstructs.println("#define TAGARRAYTYPE "+
576 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
580 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
581 if (state.THREAD||state.DSM||state.SINGLETM)
582 outclassdefs.println("#include <pthread.h>");
583 outclassdefs.println("#ifndef INTPTR");
584 outclassdefs.println("#ifdef BIT64");
585 outclassdefs.println("#define INTPTR long");
586 outclassdefs.println("#else");
587 outclassdefs.println("#define INTPTR int");
588 outclassdefs.println("#endif");
589 outclassdefs.println("#endif");
591 outclassdefs.println("#include \"optionalstruct.h\"");
592 outclassdefs.println("struct "+arraytype+";");
593 /* Start by declaring all structs */
594 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
595 while(it.hasNext()) {
596 ClassDescriptor cn=(ClassDescriptor)it.next();
597 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
599 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
600 // this class has static fields/blocks, need to add a global flag to
601 // indicate if its static fields have been initialized and/or if its
602 // static blocks have been executed
603 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
606 outclassdefs.println("");
607 //Print out definition for array type
608 outclassdefs.println("struct "+arraytype+" {");
609 outclassdefs.println(" int type;");
610 outclassdefs.println(" int hashcode;");
612 additionalClassObjectFields(outclassdefs);
615 if (state.EVENTMONITOR) {
616 outclassdefs.println(" int objuid;");
619 outclassdefs.println(" volatile int tid;");
620 outclassdefs.println(" volatile int notifycount;");
623 outclassdefs.println(" int mutex;");
624 outclassdefs.println(" volatile int notifycount;");
625 outclassdefs.println(" volatile int objlock;");
626 if(state.MULTICOREGC) {
627 outclassdefs.println(" int marked;");
631 outclassdefs.println(" int flag;");
632 if(!state.MULTICORE) {
633 outclassdefs.println(" void * flagptr;");
635 outclassdefs.println(" int version;");
636 outclassdefs.println(" int * lock;"); // lock entry for this obj
637 outclassdefs.println(" int mutex;");
638 outclassdefs.println(" volatile int lockcount;");
639 outclassdefs.println(" volatile int notifycount;");
640 if(state.MULTICOREGC) {
641 outclassdefs.println(" int marked;");
645 outclassdefs.println(" int numfses;");
646 outclassdefs.println(" int * fses;");
650 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
651 printedfieldstbl.clear();
652 printExtraArrayFields(outclassdefs);
653 if (state.ARRAYPAD) {
654 outclassdefs.println(" int paddingforarray;");
657 outclassdefs.println(" int ___length___;");
658 outclassdefs.println("};\n");
660 outclassdefs.println("");
661 outclassdefs.println("extern int classsize[];");
662 outclassdefs.println("extern int hasflags[];");
663 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
664 outclassdefs.println("extern int* supertypes[];");
665 outclassdefs.println("");
668 /** Prints out definitions for generic task structures */
670 protected void outputTaskTypes(PrintWriter outtask) {
671 outtask.println("#ifndef _TASK_H");
672 outtask.println("#define _TASK_H");
673 outtask.println("struct parameterdescriptor {");
674 outtask.println("int type;");
675 outtask.println("int numberterms;");
676 outtask.println("int *intarray;");
677 outtask.println("void * queue;");
678 outtask.println("int numbertags;");
679 outtask.println("int *tagarray;");
680 outtask.println("};");
682 outtask.println("struct taskdescriptor {");
683 outtask.println("void * taskptr;");
684 outtask.println("int numParameters;");
685 outtask.println(" int numTotal;");
686 outtask.println("struct parameterdescriptor **descriptorarray;");
687 outtask.println("char * name;");
688 outtask.println("};");
689 outtask.println("extern struct taskdescriptor * taskarray[];");
690 outtask.println("extern numtasks;");
691 outtask.println("#endif");
695 protected void buildRepairStructs(PrintWriter outrepairstructs) {
696 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
697 while(classit.hasNext()) {
698 ClassDescriptor cn=(ClassDescriptor)classit.next();
699 outrepairstructs.println("structure "+cn.getSymbol()+" {");
700 outrepairstructs.println(" int __type__;");
702 outrepairstructs.println(" int __flag__;");
703 if(!state.MULTICORE) {
704 outrepairstructs.println(" int __flagptr__;");
707 printRepairStruct(cn, outrepairstructs);
708 outrepairstructs.println("}\n");
711 for(int i=0; i<state.numArrays(); i++) {
712 TypeDescriptor tdarray=arraytable[i];
713 TypeDescriptor tdelement=tdarray.dereference();
714 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
715 outrepairstructs.println(" int __type__;");
716 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
717 outrepairstructs.println(" int length;");
718 outrepairstructs.println("}\n");
722 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
723 ClassDescriptor sp=cn.getSuperDesc();
725 printRepairStruct(sp, output);
727 Vector fields=(Vector)fieldorder.get(cn);
729 for(int i=0; i<fields.size(); i++) {
730 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
731 if (fd.getType().isArray()) {
732 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
733 } else if (fd.getType().isClass())
734 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
735 else if (fd.getType().isFloat())
736 output.println(" int "+fd.getSymbol()+"; /* really float */");
738 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
742 /** This method outputs TaskDescriptor information */
743 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
744 for (int i=0; i<task.numParameters(); i++) {
745 VarDescriptor param_var=task.getParameter(i);
746 TypeDescriptor param_type=task.getParamType(i);
747 FlagExpressionNode param_flag=task.getFlag(param_var);
748 TagExpressionList param_tag=task.getTag(param_var);
751 if (param_flag==null) {
752 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
753 output.println("0x0, 0x0 };");
756 DNFFlag dflag=param_flag.getDNF();
757 dnfterms=dflag.size();
759 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
760 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
761 for(int j=0; j<dflag.size(); j++) {
764 Vector term=dflag.get(j);
767 for(int k=0; k<term.size(); k++) {
768 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
769 FlagDescriptor fd=dfa.getFlag();
770 boolean negated=dfa.getNegated();
771 int flagid=1<<((Integer)flags.get(fd)).intValue();
776 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
778 output.println("};");
781 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
783 for(int j=0; j<param_tag.numTags(); j++) {
786 /* for each tag we need */
787 /* which slot it is */
788 /* what type it is */
789 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
790 TempDescriptor tmp=param_tag.getTemp(j);
791 int slot=fm.getTagInt(tmp);
792 output.println(slot+", "+state.getTagId(tvd.getTag()));
794 output.println("};");
796 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
797 output.println("/* type */"+param_type.getClassDesc().getId()+",");
798 output.println("/* number of DNF terms */"+dnfterms+",");
799 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
800 output.println("0,");
802 output.println("/* number of tags */"+param_tag.numTags()+",");
804 output.println("/* number of tags */ 0,");
805 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
806 output.println("};");
810 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
811 for (int i=0; i<task.numParameters(); i++) {
814 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
816 output.println("};");
818 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
819 output.println("&"+task.getSafeSymbol()+",");
820 output.println("/* number of parameters */" +task.numParameters() + ",");
821 int numtotal=task.numParameters()+fm.numTags();
822 output.println("/* number total parameters */" +numtotal + ",");
823 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
824 output.println("\""+task.getSymbol()+"\"");
825 output.println("};");
829 /** The buildVirtualTables method outputs the virtual dispatch
830 * tables for methods. */
832 protected void buildVirtualTables(PrintWriter outvirtual) {
833 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
834 while(classit.hasNext()) {
835 ClassDescriptor cd=(ClassDescriptor)classit.next();
836 if (virtualcalls.getMethodCount(cd)>maxcount)
837 maxcount=virtualcalls.getMethodCount(cd);
839 MethodDescriptor[][] virtualtable=null;
840 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
842 /* Fill in virtual table */
843 classit=state.getClassSymbolTable().getDescriptorsIterator();
844 while(classit.hasNext()) {
845 ClassDescriptor cd=(ClassDescriptor)classit.next();
846 if(cd.isInterface()) {
849 fillinRow(cd, virtualtable, cd.getId());
852 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
853 Iterator arrayit=state.getArrayIterator();
854 while(arrayit.hasNext()) {
855 TypeDescriptor td=(TypeDescriptor)arrayit.next();
856 int id=state.getArrayNumber(td);
857 fillinRow(objectcd, virtualtable, id+state.numClasses());
860 outvirtual.print("void * virtualtable[]={");
861 boolean needcomma=false;
862 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
863 for(int j=0; j<maxcount; j++) {
865 outvirtual.print(", ");
866 if (virtualtable[i][j]!=null) {
867 MethodDescriptor md=virtualtable[i][j];
868 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
870 outvirtual.print("0");
874 outvirtual.println("");
876 outvirtual.println("};");
880 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
881 /* Get inherited methods */
882 Iterator it_sifs = cd.getSuperInterfaces();
883 while(it_sifs.hasNext()) {
884 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
885 fillinRow(superif, virtualtable, rownum);
887 if (cd.getSuperDesc()!=null)
888 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
889 /* Override them with our methods */
890 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
891 MethodDescriptor md=(MethodDescriptor)it.next();
892 if (md.isStatic()||md.getReturnType()==null)
895 if (!callgraph.isCallable(md)) {
899 int methodnum = virtualcalls.getMethodNumber(md);
900 virtualtable[rownum][methodnum]=md;
904 /** Generate array that contains the sizes of class objects. The
905 * object allocation functions in the runtime use this
908 protected void generateSizeArray(PrintWriter outclassdefs) {
909 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
910 generateSizeArrayExtensions(outclassdefs);
912 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
913 cdarray=new ClassDescriptor[state.numClasses()];
914 ifarray = new ClassDescriptor[state.numInterfaces()];
917 while(it.hasNext()) {
918 ClassDescriptor cd=(ClassDescriptor)it.next();
919 if(cd.isInterface()) {
920 ifarray[cd.getId()] = cd;
922 cdarray[cd.getId()] = cd;
926 arraytable=new TypeDescriptor[state.numArrays()];
928 Iterator arrayit=state.getArrayIterator();
929 while(arrayit.hasNext()) {
930 TypeDescriptor td=(TypeDescriptor)arrayit.next();
931 int id=state.getArrayNumber(td);
935 /* Print out types */
936 outclassdefs.println("/* ");
937 for(int i=0; i<state.numClasses(); i++) {
938 ClassDescriptor cd=cdarray[i];
940 outclassdefs.println("NULL " + i);
942 outclassdefs.println(cd +" "+i);
946 for(int i=0; i<state.numArrays(); i++) {
947 TypeDescriptor arraytd=arraytable[i];
948 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
951 for(int i=0; i<state.numInterfaces(); i++) {
952 ClassDescriptor ifcd = ifarray[i];
953 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
956 outclassdefs.println("*/");
959 outclassdefs.print("int classsize[]={");
961 boolean needcomma=false;
962 for(int i=0; i<state.numClasses(); i++) {
964 outclassdefs.print(", ");
966 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
968 outclassdefs.print("0");
974 for(int i=0; i<state.numArrays(); i++) {
976 outclassdefs.print(", ");
977 TypeDescriptor tdelement=arraytable[i].dereference();
978 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
979 outclassdefs.print("sizeof(void *)");
981 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
985 for(int i=0; i<state.numInterfaces(); i++) {
987 outclassdefs.print(", ");
988 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
992 outclassdefs.println("};");
994 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
996 outclassdefs.print("int typearray[]={");
997 for(int i=0; i<state.numClasses(); i++) {
998 ClassDescriptor cd=cdarray[i];
999 ClassDescriptor supercd=i>0 ? cd.getSuperDesc() : null;
1000 if(supercd != null && supercd.isInterface()) {
1001 throw new Error("Super class can not be interfaces");
1004 outclassdefs.print(", ");
1006 outclassdefs.print("-1");
1008 outclassdefs.print(supercd.getId());
1012 for(int i=0; i<state.numArrays(); i++) {
1013 TypeDescriptor arraytd=arraytable[i];
1014 ClassDescriptor arraycd=arraytd.getClassDesc();
1015 if (arraycd==null) {
1017 outclassdefs.print(", ");
1018 outclassdefs.print(objectclass.getId());
1022 ClassDescriptor cd=arraycd.getSuperDesc();
1025 TypeDescriptor supertd=new TypeDescriptor(cd);
1026 supertd.setArrayCount(arraytd.getArrayCount());
1027 type=state.getArrayNumber(supertd);
1029 type+=state.numClasses();
1032 cd=cd.getSuperDesc();
1035 outclassdefs.print(", ");
1036 outclassdefs.print(type);
1040 for(int i=0; i<state.numInterfaces(); i++) {
1041 ClassDescriptor cd=ifarray[i];
1042 ClassDescriptor supercd=cd.getSuperDesc();
1043 if(supercd != null && supercd.isInterface()) {
1044 throw new Error("Super class can not be interfaces");
1047 outclassdefs.print(", ");
1049 outclassdefs.print("-1");
1051 outclassdefs.print(supercd.getId());
1055 outclassdefs.println("};");
1060 outclassdefs.print("int typearray2[]={");
1061 for(int i=0; i<state.numArrays(); i++) {
1062 TypeDescriptor arraytd=arraytable[i];
1063 ClassDescriptor arraycd=arraytd.getClassDesc();
1064 if (arraycd==null) {
1066 outclassdefs.print(", ");
1067 outclassdefs.print("-1");
1071 ClassDescriptor cd=arraycd.getSuperDesc();
1072 int level=arraytd.getArrayCount()-1;
1074 for(; level>0; level--) {
1075 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1076 supertd.setArrayCount(level);
1077 type=state.getArrayNumber(supertd);
1079 type+=state.numClasses();
1084 outclassdefs.print(", ");
1085 outclassdefs.print(type);
1089 outclassdefs.println("};");
1092 /** Constructs params and temp objects for each method or task.
1093 * These objects tell the compiler which temps need to be
1096 protected void generateTempStructs(FlatMethod fm) {
1097 MethodDescriptor md=fm.getMethod();
1098 TaskDescriptor task=fm.getTask();
1099 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1101 paramstable.put(md, objectparams);
1103 paramstable.put(task, objectparams);
1105 for(int i=0; i<fm.numParameters(); i++) {
1106 TempDescriptor temp=fm.getParameter(i);
1107 TypeDescriptor type=temp.getType();
1108 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1109 objectparams.addPtr(temp);
1111 objectparams.addPrim(temp);
1114 for(int i=0; i<fm.numTags(); i++) {
1115 TempDescriptor temp=fm.getTag(i);
1116 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1117 objectparams.addPtr(temp);
1119 objectparams.addPrim(temp);
1122 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1124 tempstable.put(md, objecttemps);
1126 tempstable.put(task, objecttemps);
1128 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1129 FlatNode fn=(FlatNode)nodeit.next();
1130 TempDescriptor[] writes=fn.writesTemps();
1131 for(int i=0; i<writes.length; i++) {
1132 TempDescriptor temp=writes[i];
1133 TypeDescriptor type=temp.getType();
1134 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1135 objecttemps.addPtr(temp);
1137 objecttemps.addPrim(temp);
1142 /** This method outputs the following information about classes
1144 * (1) For classes, what are the locations of pointers.
1145 * (2) For arrays, does the array contain pointers or primitives.
1146 * (3) For classes, does the class contain flags.
1149 protected void generateLayoutStructs(PrintWriter output) {
1150 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1151 while(it.hasNext()) {
1152 ClassDescriptor cn=(ClassDescriptor)it.next();
1153 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1154 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1156 while(allit.hasNext()) {
1157 FieldDescriptor fd=(FieldDescriptor)allit.next();
1161 TypeDescriptor type=fd.getType();
1165 output.print(count);
1166 allit=cn.getFieldTable().getAllDescriptorsIterator();
1167 while(allit.hasNext()) {
1168 FieldDescriptor fd=(FieldDescriptor)allit.next();
1172 TypeDescriptor type=fd.getType();
1174 output.println(",");
1175 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1176 fd.getSafeSymbol()+"))");
1179 output.println("};");
1182 output.println("unsigned INTPTR * pointerarray[]={");
1183 boolean needcomma=false;
1184 for(int i=0; i<state.numClasses(); i++) {
1185 ClassDescriptor cn=cdarray[i];
1187 output.println(",");
1190 output.print(cn.getSafeSymbol()+"_pointers");
1192 output.print("NULL");
1196 for(int i=0; i<state.numArrays(); i++) {
1198 output.println(", ");
1199 TypeDescriptor tdelement=arraytable[i].dereference();
1200 if (tdelement.isArray()||tdelement.isClass())
1201 output.print("((unsigned INTPTR *)1)");
1207 output.println("};");
1209 output.println("int hasflags[]={");
1210 for(int i=0; i<state.numClasses(); i++) {
1211 ClassDescriptor cn=cdarray[i];
1213 output.println(", ");
1215 if ((cn != null) && (cn.hasFlags()))
1220 output.println("};");
1223 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1226 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1227 supertd.setArrayCount(arraytd.getArrayCount());
1228 type=state.getArrayNumber(supertd);
1233 ClassDescriptor cd = arraycd.getSuperDesc();
1235 type = checkarraysupertype(cd, arraytd);
1241 Iterator it_sifs = arraycd.getSuperInterfaces();
1242 while(it_sifs.hasNext()) {
1243 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1244 type = checkarraysupertype(ifcd, arraytd);
1254 /** Print out table to give us supertypes */
1255 protected void generateSuperTypeTable(PrintWriter output) {
1256 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1257 for(int i=0; i<state.numClasses(); i++) {
1258 ClassDescriptor cn=cdarray[i];
1262 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1263 boolean ncomma = false;
1265 if((cn != null) && (cn.getSuperDesc() != null)) {
1268 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1269 while(it_sifs != null && it_sifs.hasNext()) {
1275 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1279 ClassDescriptor cdsuper=cn.getSuperDesc();
1280 output.print(cdsuper.getId());
1282 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1283 while(it_sifs != null && it_sifs.hasNext()) {
1287 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1290 output.println("};");
1293 for(int i=0; i<state.numArrays(); i++) {
1294 TypeDescriptor arraytd=arraytable[i];
1295 ClassDescriptor arraycd=arraytd.getClassDesc();
1296 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1297 boolean ncomma = false;
1299 if (arraycd==null) {
1303 output.print(objectclass.getId());
1304 output.println("};");
1307 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1310 Iterator it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1311 while(it_sifs != null && it_sifs.hasNext()) {
1317 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1318 ClassDescriptor cd=arraycd.getSuperDesc();
1321 type = checkarraysupertype(cd, arraytd);
1323 type += state.numClasses();
1330 it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1331 while(it_sifs != null && it_sifs.hasNext()) {
1332 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1333 int type = checkarraysupertype(ifcd , arraytd);
1335 type += state.numClasses();
1341 output.println("};");
1344 for(int i=0; i<state.numInterfaces(); i++) {
1345 ClassDescriptor cn=ifarray[i];
1349 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1350 boolean ncomma = false;
1352 if((cn != null) && (cn.getSuperDesc() != null)) {
1355 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1356 while(it_sifs != null && it_sifs.hasNext()) {
1362 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1366 ClassDescriptor cdsuper=cn.getSuperDesc();
1367 output.print(cdsuper.getId());
1369 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1370 while(it_sifs != null && it_sifs.hasNext()) {
1374 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1377 output.println("};");
1380 output.println("int* supertypes[]={");
1381 boolean needcomma=false;
1382 for(int i=0; i<state.numClasses(); i++) {
1383 ClassDescriptor cn=cdarray[i];
1385 output.println(",");
1388 output.print("supertypes" + cn.getSafeSymbol());
1394 for(int i=0; i<state.numArrays(); i++) {
1396 output.println(",");
1398 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1401 for(int i=0; i<state.numInterfaces(); i++) {
1402 ClassDescriptor cn=ifarray[i];
1404 output.println(",");
1406 output.print("supertypes" + cn.getSafeSymbol());
1408 output.println("};");
1411 /** Force consistent field ordering between inherited classes. */
1413 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1415 ClassDescriptor sp=cn.getSuperDesc();
1417 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1419 SymbolTable sitbl = cn.getSuperInterfaceTable();
1420 Iterator it_sifs = sitbl.getDescriptorsIterator();
1421 while(it_sifs.hasNext()) {
1422 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1423 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1426 if (!fieldorder.containsKey(cn)) {
1427 Vector fields=new Vector();
1428 fieldorder.put(cn,fields);
1430 Vector fieldvec=cn.getFieldVec();
1431 for(int i=0; i<fieldvec.size(); i++) {
1432 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1433 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1436 it_sifs = sitbl.getDescriptorsIterator();
1437 boolean hasprinted = false;
1438 while(it_sifs.hasNext()) {
1439 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1440 if(si.getFieldTable().contains(fd.getSymbol())) {
1446 // this field has been defined in the super class
1453 //Vector fields=(Vector)fieldorder.get(cn);
1455 Vector fields = cn.getFieldVec();
1457 for(int i=0; i<fields.size(); i++) {
1458 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1459 String fstring = fd.getSafeSymbol();
1460 if(printedfieldstbl.containsKey(fstring)) {
1461 printedfieldstbl.put(fstring, cn);
1464 printedfieldstbl.put(fstring, cn);
1466 if (fd.getType().isClass()
1467 && fd.getType().getClassDesc().isEnum()) {
1468 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1469 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1470 if (fd.isStatic()) {
1471 // TODO add version for normal Java later
1473 if(globaldefout != null) {
1474 if(fd.isVolatile()) {
1475 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1477 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1481 } else if (fd.isVolatile()) {
1483 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1485 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1487 } else if (fd.isStatic()) {
1488 // TODO add version for normal Java later
1490 if(globaldefout != null) {
1491 if(fd.isVolatile()) {
1492 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1494 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1497 } else if (fd.isVolatile()) {
1499 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1501 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1506 /* Map flags to integers consistently between inherited
1509 protected void mapFlags(ClassDescriptor cn) {
1510 ClassDescriptor sp=cn.getSuperDesc();
1514 if (!flagorder.containsKey(cn)) {
1515 Hashtable flags=new Hashtable();
1516 flagorder.put(cn,flags);
1518 Hashtable superflags=(Hashtable)flagorder.get(sp);
1519 Iterator superflagit=superflags.keySet().iterator();
1520 while(superflagit.hasNext()) {
1521 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1522 Integer number=(Integer)superflags.get(fd);
1523 flags.put(fd, number);
1524 if ((number.intValue()+1)>max)
1525 max=number.intValue()+1;
1529 Iterator flagit=cn.getFlags();
1530 while(flagit.hasNext()) {
1531 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1532 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1533 flags.put(fd, new Integer(max++));
1539 /** This function outputs (1) structures that parameters are
1540 * passed in (when PRECISE GC is enabled) and (2) function
1541 * prototypes for the methods */
1543 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1544 /* Output class structure */
1545 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1546 classdefout.println(" int type;");
1547 classdefout.println(" int hashcode;");
1549 additionalClassObjectFields(classdefout);
1552 if (state.EVENTMONITOR) {
1553 classdefout.println(" int objuid;");
1556 classdefout.println(" volatile int tid;");
1557 classdefout.println(" volatile int notifycount;");
1560 classdefout.println(" int mutex;");
1561 classdefout.println(" volatile int notifycount;");
1562 classdefout.println(" volatile int objlock;");
1563 if(state.MULTICOREGC) {
1564 classdefout.println(" int marked;");
1568 classdefout.println(" int flag;");
1569 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1570 classdefout.println(" void * flagptr;");
1571 } else if (state.MULTICORE) {
1572 classdefout.println(" int version;");
1573 classdefout.println(" int * lock;"); // lock entry for this obj
1574 classdefout.println(" int mutex;");
1575 classdefout.println(" int lockcount;");
1576 if(state.MULTICOREGC) {
1577 classdefout.println(" int marked;");
1580 if (state.OPTIONAL) {
1581 classdefout.println(" int numfses;");
1582 classdefout.println(" int * fses;");
1585 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1586 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1587 classdefout.println("};\n");
1588 generateCallStructsMethods(cn, output, headersout);
1592 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1593 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1594 MethodDescriptor md=(MethodDescriptor)methodit.next();
1596 if (!callgraph.isCallable(md)) {
1600 generateMethod(cn, md, headersout, output);
1604 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1605 /* Output parameter structure */
1606 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1607 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1608 // generate the staticinit version
1609 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1611 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1612 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1613 output.println(" int size;");
1614 output.println(" void * next;");
1615 for(int i=0; i<objectparams.numPointers(); i++) {
1616 TempDescriptor temp=objectparams.getPointer(i);
1617 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1618 output.println(" int " + temp.getSafeSymbol() + ";");
1620 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1623 output.println("};\n");
1626 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1627 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1628 output.println(" int size;");
1629 output.println(" void * next;");
1630 for(int i=0; i<objectparams.numPointers(); i++) {
1631 TempDescriptor temp=objectparams.getPointer(i);
1632 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1633 output.println(" int " + temp.getSafeSymbol() + ";");
1635 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1638 output.println("};\n");
1642 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1643 FlatMethod fm=state.getMethodFlat(md);
1644 generateTempStructs(fm);
1646 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1647 TempObject objecttemps=(TempObject) tempstable.get(md);
1649 boolean printcomma = false;
1651 generateMethodParam(cn, md, output);
1653 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1654 // generate the staticinit version
1655 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1657 /* Output temp structure */
1658 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1659 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1660 output.println(" int size;");
1661 output.println(" void * next;");
1662 for(int i=0; i<objecttemps.numPointers(); i++) {
1663 TempDescriptor temp=objecttemps.getPointer(i);
1664 if (!temp.getType().isArray() && temp.getType().isNull())
1665 output.println(" void * "+temp.getSafeSymbol()+";");
1667 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1669 output.println("};\n");
1672 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1673 /* First the return type */
1674 if (md.getReturnType()!=null) {
1675 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1676 headersout.println(" int ");
1677 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1678 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1680 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1682 //catch the constructor case
1683 headersout.print("void ");
1685 /* Next the method name */
1686 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1688 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1689 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1693 /* Output parameter list*/
1694 for(int i=0; i<objectparams.numPrimitives(); i++) {
1695 TempDescriptor temp=objectparams.getPrimitive(i);
1697 headersout.print(", ");
1699 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1700 headersout.print("int " + temp.getSafeSymbol());
1701 } else if (temp.getType().isClass()||temp.getType().isArray())
1702 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1704 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1706 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1707 headersout.print(", int linenum");
1709 headersout.println(");\n");
1712 /* Output temp structure */
1713 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1714 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1715 output.println(" int size;");
1716 output.println(" void * next;");
1717 for(int i=0; i<objecttemps.numPointers(); i++) {
1718 TempDescriptor temp=objecttemps.getPointer(i);
1719 if (!temp.getType().isArray() && temp.getType().isNull())
1720 output.println(" void * "+temp.getSafeSymbol()+";");
1722 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1724 output.println("};\n");
1727 /********* Output method declaration ***********/
1728 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1729 /* First the return type */
1730 if (md.getReturnType()!=null) {
1731 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1732 headersout.println(" int ");
1733 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1734 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1736 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1738 //catch the constructor case
1739 headersout.print("void ");
1741 /* Next the method name */
1742 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1744 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1745 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1749 /* Output parameter list*/
1750 for(int i=0; i<objectparams.numPrimitives(); i++) {
1751 TempDescriptor temp=objectparams.getPrimitive(i);
1753 headersout.print(", ");
1755 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1756 headersout.print("int " + temp.getSafeSymbol());
1757 } else if (temp.getType().isClass()||temp.getType().isArray())
1758 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1760 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1762 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1763 headersout.print(", int linenum");
1765 headersout.println(");\n");
1769 /** This function outputs (1) structures that parameters are
1770 * passed in (when PRECISE GC is enabled) and (2) function
1771 * prototypes for the tasks */
1773 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1774 /* Cycle through tasks */
1775 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1777 while(taskit.hasNext()) {
1778 /* Classify parameters */
1779 TaskDescriptor task=(TaskDescriptor)taskit.next();
1780 FlatMethod fm=state.getMethodFlat(task);
1781 generateTempStructs(fm);
1783 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1784 TempObject objecttemps=(TempObject) tempstable.get(task);
1786 /* Output parameter structure */
1787 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1788 output.println("struct "+task.getSafeSymbol()+"_params {");
1789 output.println(" int size;");
1790 output.println(" void * next;");
1791 for(int i=0; i<objectparams.numPointers(); i++) {
1792 TempDescriptor temp=objectparams.getPointer(i);
1793 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1796 output.println("};\n");
1797 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1798 maxtaskparams=objectparams.numPointers()+fm.numTags();
1802 /* Output temp structure */
1803 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1804 output.println("struct "+task.getSafeSymbol()+"_locals {");
1805 output.println(" int size;");
1806 output.println(" void * next;");
1807 for(int i=0; i<objecttemps.numPointers(); i++) {
1808 TempDescriptor temp=objecttemps.getPointer(i);
1809 if (!temp.getType().isArray() && temp.getType().isNull())
1810 output.println(" void * "+temp.getSafeSymbol()+";");
1811 else if(temp.getType().isTag())
1812 output.println(" struct "+
1813 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1815 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1817 output.println("};\n");
1820 /* Output task declaration */
1821 headersout.print("void " + task.getSafeSymbol()+"(");
1823 boolean printcomma=false;
1824 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1825 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1827 headersout.print("void * parameterarray[]");
1828 headersout.println(");\n");
1832 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1833 if (State.PRINTFLAT)
1834 System.out.println(fm.printMethod());
1835 MethodDescriptor md=fm.getMethod();
1836 TaskDescriptor task=fm.getTask();
1837 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1838 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null ? md : task);
1840 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1841 // generate a special static init version
1842 mgcstaticinit = true;
1843 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1845 generateHeader(fm, md!=null ? md : task,output);
1846 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1848 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1849 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1850 output.print(objecttemp.numPointers()+",");
1851 output.print(paramsprefix);
1852 for(int j=0; j<objecttemp.numPointers(); j++)
1853 output.print(", NULL");
1854 output.println("};");
1857 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1858 TempDescriptor td=objecttemp.getPrimitive(i);
1859 TypeDescriptor type=td.getType();
1860 if (type.isNull() && !type.isArray())
1861 output.println(" void * "+td.getSafeSymbol()+";");
1862 else if (type.isClass() && type.getClassDesc().isEnum()) {
1863 output.println(" int " + td.getSafeSymbol() + ";");
1864 } else if (type.isClass()||type.isArray())
1865 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1867 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1870 additionalCodeAtTopFlatMethodBody(output, fm);
1872 /* Check to see if we need to do a GC if this is a
1873 * multi-threaded program...*/
1875 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1876 || this.state.MULTICOREGC) {
1877 //Don't bother if we aren't in recursive methods...The loops case will catch it
1878 if (callgraph.getAllMethods(md).contains(md)) {
1879 if (this.state.MULTICOREGC) {
1880 output.println("if(gcflag) gc("+localsprefixaddr+");");
1882 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1887 generateCode(fm.getNext(0), fm, null, output);
1889 output.println("}\n\n");
1891 mgcstaticinit = false;
1894 generateHeader(fm, md!=null ? md : task,output);
1895 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1897 if((md != null) && (md.isStaticBlock())) {
1898 mgcstaticinit = true;
1901 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1903 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1905 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1906 output.print(objecttemp.numPointers()+",");
1907 output.print(paramsprefix);
1908 for(int j=0; j<objecttemp.numPointers(); j++)
1909 output.print(", NULL");
1910 output.println("};");
1913 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1914 TempDescriptor td=objecttemp.getPrimitive(i);
1915 TypeDescriptor type=td.getType();
1916 if (type.isNull() && !type.isArray())
1917 output.println(" void * "+td.getSafeSymbol()+";");
1918 else if (type.isClass() && type.getClassDesc().isEnum()) {
1919 output.println(" int " + td.getSafeSymbol() + ";");
1920 } else if (type.isClass()||type.isArray())
1921 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1923 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1926 additionalCodeAtTopFlatMethodBody(output, fm);
1928 /* Check to see if we need to do a GC if this is a
1929 * multi-threaded program...*/
1931 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1932 || this.state.MULTICOREGC) {
1933 //Don't bother if we aren't in recursive methods...The loops case will catch it
1934 if (callgraph.getAllMethods(md).contains(md)) {
1935 if (this.state.MULTICOREGC) {
1936 output.println("if(gcflag) gc("+localsprefixaddr+");");
1938 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1943 if(fm.getMethod().isStaticBlock()) {
1944 // a static block, check if it has been executed
1945 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
1946 output.println(" return;");
1947 output.println(" }");
1951 generateCode(fm.getNext(0), fm, null, output);
1953 output.println("}\n\n");
1955 mgcstaticinit = false;
1958 protected void generateCode(FlatNode first,
1960 Set<FlatNode> stopset,
1961 PrintWriter output) {
1963 /* Assign labels to FlatNode's if necessary.*/
1965 Hashtable<FlatNode, Integer> nodetolabel;
1967 nodetolabel=assignLabels(first, stopset);
1969 Set<FlatNode> storeset=null;
1970 HashSet<FlatNode> genset=null;
1971 HashSet<FlatNode> refset=null;
1972 Set<FlatNode> unionset=null;
1974 /* Do the actual code generation */
1975 FlatNode current_node=null;
1976 HashSet tovisit=new HashSet();
1977 HashSet visited=new HashSet();
1979 while(current_node!=null||!tovisit.isEmpty()) {
1980 if (current_node==null) {
1981 current_node=(FlatNode)tovisit.iterator().next();
1982 tovisit.remove(current_node);
1983 } else if (tovisit.contains(current_node)) {
1984 tovisit.remove(current_node);
1986 visited.add(current_node);
1987 if (nodetolabel.containsKey(current_node)) {
1988 output.println("L"+nodetolabel.get(current_node)+":");
1990 if (state.INSTRUCTIONFAILURE) {
1992 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1994 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1996 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
1998 generateFlatNode(fm, current_node, output);
2000 if (state.OOOJAVA && stopset!=null) {
2001 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2002 assert current_node instanceof FlatSESEExitNode;
2003 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2004 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2005 assert fsen.getFlatExit().equals(fsxn);
2006 assert fsxn.getFlatEnter().equals(fsen);
2008 if (current_node.kind()!=FKind.FlatReturnNode) {
2009 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2010 // a static block, check if it has been executed
2011 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2014 output.println(" return;");
2017 } else if(current_node.numNext()==1) {
2019 if (state.OOOJAVA &&
2020 current_node.kind()==FKind.FlatSESEEnterNode) {
2021 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2022 generateFlatNode(fm, current_node, output);
2023 nextnode=fsen.getFlatExit().getNext(0);
2026 generateFlatNode(fm, current_node, output);
2027 nextnode=current_node.getNext(0);
2029 if (visited.contains(nextnode)) {
2030 output.println("goto L"+nodetolabel.get(nextnode)+";");
2033 current_node=nextnode;
2034 } else if (current_node.numNext()==2) {
2037 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2038 if (!visited.contains(current_node.getNext(1)))
2039 tovisit.add(current_node.getNext(1));
2040 if (visited.contains(current_node.getNext(0))) {
2041 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2044 current_node=current_node.getNext(0);
2045 } else throw new Error();
2049 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2050 HashSet tovisit=new HashSet();
2051 HashSet visited=new HashSet();
2053 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2056 /*Assign labels first. A node needs a label if the previous
2057 * node has two exits or this node is a join point. */
2059 while(!tovisit.isEmpty()) {
2060 FlatNode fn=(FlatNode)tovisit.iterator().next();
2065 if(lastset!=null&&lastset.contains(fn)) {
2066 // if last is not null and matches, don't go
2067 // any further for assigning labels
2071 for(int i=0; i<fn.numNext(); i++) {
2072 FlatNode nn=fn.getNext(i);
2075 //1) Edge >1 of node
2076 nodetolabel.put(nn,new Integer(labelindex++));
2078 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2082 nodetolabel.put(nn,new Integer(labelindex++));
2089 /** Generate text string that corresponds to the TempDescriptor td. */
2090 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2091 MethodDescriptor md=fm.getMethod();
2092 TaskDescriptor task=fm.getTask();
2093 TempObject objecttemps=(TempObject) tempstable.get(md!=null ? md : task);
2095 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2096 return td.getSafeSymbol();
2099 if (objecttemps.isLocalPtr(td)) {
2100 return localsprefixderef+td.getSafeSymbol();
2103 if (objecttemps.isParamPtr(td)) {
2104 return paramsprefix+"->"+td.getSafeSymbol();
2112 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2113 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2114 additionalCodePreNode(fm, fn, output);
2117 case FKind.FlatAtomicEnterNode:
2118 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2121 case FKind.FlatAtomicExitNode:
2122 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2125 case FKind.FlatInstanceOfNode:
2126 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2129 case FKind.FlatSESEEnterNode:
2130 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2133 case FKind.FlatSESEExitNode:
2134 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2137 case FKind.FlatWriteDynamicVarNode:
2138 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2141 case FKind.FlatGlobalConvNode:
2142 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2145 case FKind.FlatTagDeclaration:
2146 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2149 case FKind.FlatCall:
2150 generateFlatCall(fm, (FlatCall) fn,output);
2153 case FKind.FlatFieldNode:
2154 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2157 case FKind.FlatElementNode:
2158 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2161 case FKind.FlatSetElementNode:
2162 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2165 case FKind.FlatSetFieldNode:
2166 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2170 generateFlatNew(fm, (FlatNew) fn,output);
2173 case FKind.FlatOpNode:
2174 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2177 case FKind.FlatCastNode:
2178 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2181 case FKind.FlatLiteralNode:
2182 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2185 case FKind.FlatReturnNode:
2186 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2190 output.println("/* nop */");
2193 case FKind.FlatGenReachNode:
2194 // this node is just for generating a reach graph
2195 // in disjointness analysis at a particular program point
2198 case FKind.FlatExit:
2199 output.println("/* exit */");
2202 case FKind.FlatBackEdge:
2203 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2206 case FKind.FlatCheckNode:
2207 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2210 case FKind.FlatFlagActionNode:
2211 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2214 case FKind.FlatPrefetchNode:
2215 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2218 case FKind.FlatOffsetNode:
2219 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2226 additionalCodePostNode(fm, fn, output);
2229 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2230 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2231 || (this.state.MULTICOREGC)) {
2232 if(this.state.MULTICOREGC) {
2233 output.println("if (gcflag) gc("+localsprefixaddr+");");
2235 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2238 output.println("/* nop */");
2241 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2242 output.println("/* FlatOffsetNode */");
2243 FieldDescriptor fd=fofn.getField();
2244 if(!fd.isStatic()) {
2245 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2246 fd.getSafeSymbol()+");");
2248 output.println("/* offset */");
2251 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2254 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2257 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2260 if (fion.getType().isArray()) {
2261 type=state.getArrayNumber(fion.getType())+state.numClasses();
2262 } else if (fion.getType().getClassDesc().isInterface()) {
2263 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2265 type=fion.getType().getClassDesc().getId();
2267 if (fion.getSrc().getType().isArray()) {
2268 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2269 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2270 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2272 otype=fion.getSrc().getType().getClassDesc().getId();
2275 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2276 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2278 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2282 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2285 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2288 public void generateFlatSESEEnterNode(FlatMethod fm,
2289 FlatSESEEnterNode fsen,
2290 PrintWriter output) {
2291 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2292 // just skip over them and code generates exactly the same
2295 public void generateFlatSESEExitNode(FlatMethod fm,
2296 FlatSESEExitNode fsexn,
2297 PrintWriter output) {
2298 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2299 // just skip over them and code generates exactly the same
2302 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2303 FlatWriteDynamicVarNode fwdvn,
2304 PrintWriter output) {
2308 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2309 if (state.CONSCHECK) {
2310 String specname=fcn.getSpec();
2311 String varname="repairstate___";
2312 output.println("{");
2313 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2315 TempDescriptor[] temps=fcn.getTemps();
2316 String[] vars=fcn.getVars();
2317 for(int i=0; i<temps.length; i++) {
2318 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2321 output.println("if (doanalysis"+specname+"("+varname+")) {");
2322 output.println("free"+specname+"_state("+varname+");");
2323 output.println("} else {");
2324 output.println("/* Bad invariant */");
2325 output.println("free"+specname+"_state("+varname+");");
2326 output.println("abort_task();");
2327 output.println("}");
2328 output.println("}");
2332 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2333 MethodDescriptor md=fc.getMethod();
2334 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2335 ClassDescriptor cn=md.getClassDesc();
2336 String mdstring = md.getSafeMethodDescriptor();
2337 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2338 mdstring += "staticinit";
2341 // if the called method is a static block or a static method or a constructor
2342 // need to check if it can be invoked inside some static block
2343 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2344 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2345 if(!md.isInvokedByStatic()) {
2346 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2348 // is a static block or is invoked in some static block
2349 ClassDescriptor cd = fm.getMethod().getClassDesc();
2351 // the same class, do nothing
2352 } else if(mgcstaticinit) {
2353 // generate static init check code if it has not done static init in main()
2354 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2355 // need to check if the class' static fields have been initialized and/or
2356 // its static blocks have been executed
2357 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2358 if(cn.getNumStaticBlocks() != 0) {
2359 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2360 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2361 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2362 output.println("0, NULL};");
2363 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2365 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2368 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2370 output.println("}");
2374 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2375 output.println("{");
2376 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2377 output.println("int monitorenterline = __LINE__;");
2379 // call MonitorEnter/MonitorExit on a class obj
2380 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2381 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2382 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2383 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2384 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2386 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2389 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2390 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2391 + fc.getThis().getType().getClassDesc().getId() + "]));");
2393 output.println("}");
2397 output.println("{");
2398 if(md.getSymbol().equals("MonitorEnter")) {
2399 output.println("int monitorenterline = __LINE__;");
2401 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2402 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2403 output.print(objectparams.numPointers());
2404 output.print(", "+localsprefixaddr);
2405 if (md.getThis()!=null) {
2407 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2409 if (fc.getThis()!=null&&md.getThis()==null) {
2410 System.out.println("WARNING!!!!!!!!!!!!");
2411 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2415 for(int i=0; i<fc.numArgs(); i++) {
2416 Descriptor var=md.getParameter(i);
2417 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2418 if (objectparams.isParamPtr(paramtemp)) {
2419 TempDescriptor targ=fc.getArg(i);
2421 TypeDescriptor td=md.getParamType(i);
2423 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2425 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2428 output.println("};");
2433 if (fc.getReturnTemp()!=null)
2434 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2436 /* Do we need to do virtual dispatch? */
2437 if (!md.isStatic()&&md.getReturnType()!=null&&fc.getThis().getType().getClassDesc()==null) {
2438 System.out.println(fm);
2439 System.out.println(md);
2440 System.out.println(fc);
2441 System.out.println(fm.printMethod());
2444 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2446 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2450 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2451 output.print("int ");
2452 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2453 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2455 output.print(md.getReturnType().getSafeSymbol()+" ");
2456 output.print("(*)(");
2458 boolean printcomma=false;
2459 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2460 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2464 for(int i=0; i<objectparams.numPrimitives(); i++) {
2465 TempDescriptor temp=objectparams.getPrimitive(i);
2469 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2470 output.print("int ");
2471 } else if (temp.getType().isClass()||temp.getType().isArray())
2472 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2474 output.print(temp.getType().getSafeSymbol());
2477 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2478 output.print(", int");
2480 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2484 boolean needcomma=false;
2485 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2486 output.print("&__parameterlist__");
2490 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2491 if (fc.getThis()!=null) {
2492 TypeDescriptor ptd=null;
2493 if(md.getThis() != null) {
2494 ptd = md.getThis().getType();
2496 ptd = fc.getThis().getType();
2500 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2502 } else if (ptd.isClass()&&!ptd.isArray())
2503 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2504 output.print(generateTemp(fm,fc.getThis()));
2509 for(int i=0; i<fc.numArgs(); i++) {
2510 Descriptor var=md.getParameter(i);
2511 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2512 if (objectparams.isParamPrim(paramtemp)) {
2513 TempDescriptor targ=fc.getArg(i);
2517 TypeDescriptor ptd=md.getParamType(i);
2518 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2520 } else if (ptd.isClass()&&!ptd.isArray())
2521 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2522 output.print(generateTemp(fm, targ));
2526 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2527 output.println(", monitorenterline);");
2529 output.println(");");
2531 output.println(" }");
2534 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2535 if(thiscd.isInterface()) {
2536 // for interfaces, always need virtual dispatch
2539 Set subclasses=typeutil.getSubClasses(thiscd);
2540 if (subclasses==null)
2542 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2543 ClassDescriptor cd=(ClassDescriptor)classit.next();
2544 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2545 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2546 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2547 if (md.matches(matchmd))
2555 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2557 if(ffn.getField().isStatic()) {
2559 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2560 // is a static block or is invoked in some static block
2561 ClassDescriptor cd = fm.getMethod().getClassDesc();
2562 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2564 // the same class, do nothing
2565 } else if(mgcstaticinit) {
2566 // generate the static init check code if has not done the static init in main()
2567 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2568 // need to check if the class' static fields have been initialized and/or
2569 // its static blocks have been executed
2570 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2571 if(cn.getNumStaticBlocks() != 0) {
2572 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2573 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2574 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2575 output.println("0, NULL};");
2576 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2578 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2581 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2583 output.println("}");
2587 // redirect to the global_defs_p structure
2588 if (ffn.getField().getType().isPtr())
2589 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2591 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2592 } else if (ffn.getField().isEnum()) {
2593 // an Enum value, directly replace the field access as int
2594 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2596 output.println("#ifdef MULTICORE_DEBUG");
2597 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2598 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2599 if(state.MULTICOREGC) {
2600 output.println("failednullptr(&___locals___);");
2602 output.println("failednullptr(NULL);");
2604 output.println("}");
2605 output.println("#endif //MULTICORE_DEBUG");
2606 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2611 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2612 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2613 throw new Error("Can't set array length");
2614 if (state.FASTCHECK) {
2615 String dst=generateTemp(fm, fsfn.getDst());
2616 output.println("if(!"+dst+"->"+localcopystr+") {");
2617 /* Link object into list */
2618 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2619 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2621 output.println("COPY_OBJ("+dst+");");
2622 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2623 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2624 output.println("}");
2627 if(fsfn.getField().isStatic()) {
2629 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2630 // is a static block or is invoked in some static block
2631 ClassDescriptor cd = fm.getMethod().getClassDesc();
2632 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2633 if(cd != cn && mgcstaticinit){
2634 // generate static init check code if has not done the static init in main()
2635 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2636 // need to check if the class' static fields have been initialized and/or
2637 // its static blocks have been executed
2638 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2639 if(cn.getNumStaticBlocks() != 0) {
2640 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2641 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2642 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2643 output.println("0, NULL};");
2644 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2646 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2649 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2651 output.println("}");
2655 // redirect to the global_defs_p structure
2656 if (fsfn.getField().getType().isPtr()) {
2657 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2658 output.println("global_defs_p->" +
2659 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2661 output.println("global_defs_p->" +
2662 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2664 output.println("global_defsprim_p->" +
2665 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2667 output.println("#ifdef MULTICORE_DEBUG");
2668 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2669 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2670 if(state.MULTICOREGC) {
2671 output.println("failednullptr(&___locals___);");
2673 output.println("failednullptr(NULL);");
2675 output.println("}");
2676 output.println("#endif //MULTICORE_DEBUG");
2677 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2678 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2679 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2681 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2682 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2687 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2688 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2691 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2693 } else if (elementtype.isArray()||elementtype.isClass())
2696 type=elementtype.getSafeSymbol()+" ";
2698 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2699 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2700 output.println("failedboundschk(" + (boundschknum++) + ");");
2702 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2705 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2706 //TODO: need dynamic check to make sure this assignment is actually legal
2707 //Because Object[] could actually be something more specific...ie. Integer[]
2709 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2712 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2714 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2717 type=elementtype.getSafeSymbol()+" ";
2719 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2720 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2721 output.println("failedboundschk(" + (boundschknum++) + ");");
2723 if (state.FASTCHECK) {
2724 String dst=generateTemp(fm, fsen.getDst());
2725 output.println("if(!"+dst+"->"+localcopystr+") {");
2726 /* Link object into list */
2727 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2728 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2730 output.println("COPY_OBJ("+dst+");");
2731 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2732 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2733 output.println("}");
2735 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2739 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2740 if (fn.getType().isArray()) {
2741 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2742 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2743 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2745 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2748 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2749 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2751 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2754 if (state.FASTCHECK) {
2755 String dst=generateTemp(fm,fn.getDst());
2756 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2757 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2758 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2762 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2763 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2764 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2766 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2770 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2771 if (fon.getRight()!=null) {
2772 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2773 if (fon.getLeft().getType().isLong())
2774 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2776 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2779 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2780 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2782 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2784 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2785 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2786 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2788 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2789 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2790 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2791 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2792 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2793 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2794 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2795 else if (fon.getOp().getOp()==Operation.COMP)
2796 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2797 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2798 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2800 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2803 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2804 /* TODO: Do type check here */
2805 if (fcn.getType().isArray()) {
2806 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2807 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2808 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2809 } else if (fcn.getType().isClass())
2810 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2812 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2817 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2818 if (fln.getValue()==null)
2819 output.println(generateTemp(fm, fln.getDst())+"=0;");
2820 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2821 String str=(String)fln.getValue();
2822 output.println("{");
2823 output.print("short str"+flncount+"[]={");
2824 for(int i=0;i<str.length();i++) {
2827 output.print(((int)str.charAt(i)));
2829 output.println("};");
2830 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2831 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
2833 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
2835 output.println("}");
2837 } else if (fln.getType().isBoolean()) {
2838 if (((Boolean)fln.getValue()).booleanValue())
2839 output.println(generateTemp(fm, fln.getDst())+"=1;");
2841 output.println(generateTemp(fm, fln.getDst())+"=0;");
2842 } else if (fln.getType().isChar()) {
2843 int val=(int)(((Character)fln.getValue()).charValue());
2844 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
2845 } else if (fln.getType().isLong()) {
2846 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2848 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2851 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2852 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2853 // a static block, check if it has been executed
2854 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2858 if (frn.getReturnTemp()!=null) {
2859 if (frn.getReturnTemp().getType().isPtr())
2860 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2862 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2864 output.println("return;");
2868 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2869 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2872 /** This method generates header information for the method or
2873 * task referenced by the Descriptor des. */
2874 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2875 generateHeader(fm, des, output, false);
2878 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2880 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2881 MethodDescriptor md=null;
2882 TaskDescriptor task=null;
2883 if (des instanceof MethodDescriptor)
2884 md=(MethodDescriptor) des;
2886 task=(TaskDescriptor) des;
2887 String mdstring = md != null ? md.getSafeMethodDescriptor() : null;
2889 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2891 if (md!=null&&md.getReturnType()!=null) {
2892 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2893 output.print("int ");
2894 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2895 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2897 output.print(md.getReturnType().getSafeSymbol()+" ");
2899 //catch the constructor case
2900 output.print("void ");
2902 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2903 mdstring += "staticinit";
2905 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2907 output.print(task.getSafeSymbol()+"(");
2909 boolean printcomma=false;
2910 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2912 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2914 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2920 for(int i=0; i<objectparams.numPrimitives(); i++) {
2921 TempDescriptor temp=objectparams.getPrimitive(i);
2925 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2926 output.print("int " + temp.getSafeSymbol());
2927 } else if (temp.getType().isClass()||temp.getType().isArray())
2928 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2930 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2932 output.println(") {");
2933 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2934 /* Imprecise Task */
2935 output.println("void * parameterarray[]) {");
2936 /* Unpack variables */
2937 for(int i=0; i<objectparams.numPrimitives(); i++) {
2938 TempDescriptor temp=objectparams.getPrimitive(i);
2939 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2940 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2942 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2945 for(int i=0; i<fm.numTags(); i++) {
2946 TempDescriptor temp=fm.getTag(i);
2947 int offset=i+objectparams.numPrimitives();
2948 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2951 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2952 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2953 } else output.println(") {");
2956 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
2957 output.println("/* FlatFlagActionNode */");
2960 /* Process tag changes */
2961 Relation tagsettable=new Relation();
2962 Relation tagcleartable=new Relation();
2964 Iterator tagsit=ffan.getTempTagPairs();
2965 while (tagsit.hasNext()) {
2966 TempTagPair ttp=(TempTagPair) tagsit.next();
2967 TempDescriptor objtmp=ttp.getTemp();
2968 TagDescriptor tag=ttp.getTag();
2969 TempDescriptor tagtmp=ttp.getTagTemp();
2970 boolean tagstatus=ffan.getTagChange(ttp);
2972 tagsettable.put(objtmp, tagtmp);
2974 tagcleartable.put(objtmp, tagtmp);
2979 Hashtable flagandtable=new Hashtable();
2980 Hashtable flagortable=new Hashtable();
2982 /* Process flag changes */
2983 Iterator flagsit=ffan.getTempFlagPairs();
2984 while(flagsit.hasNext()) {
2985 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2986 TempDescriptor temp=tfp.getTemp();
2987 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2988 FlagDescriptor flag=tfp.getFlag();
2990 //Newly allocate objects that don't set any flags case
2991 if (flagortable.containsKey(temp)) {
2995 flagortable.put(temp,new Integer(mask));
2997 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2998 boolean flagstatus=ffan.getFlagChange(tfp);
3001 if (flagortable.containsKey(temp)) {
3002 mask=((Integer)flagortable.get(temp)).intValue();
3005 flagortable.put(temp,new Integer(mask));
3007 int mask=0xFFFFFFFF;
3008 if (flagandtable.containsKey(temp)) {
3009 mask=((Integer)flagandtable.get(temp)).intValue();
3011 mask&=(0xFFFFFFFF^flagid);
3012 flagandtable.put(temp,new Integer(mask));
3018 HashSet flagtagset=new HashSet();
3019 flagtagset.addAll(flagortable.keySet());
3020 flagtagset.addAll(flagandtable.keySet());
3021 flagtagset.addAll(tagsettable.keySet());
3022 flagtagset.addAll(tagcleartable.keySet());
3024 Iterator ftit=flagtagset.iterator();
3025 while(ftit.hasNext()) {
3026 TempDescriptor temp=(TempDescriptor)ftit.next();
3029 Set tagtmps=tagcleartable.get(temp);
3030 if (tagtmps!=null) {
3031 Iterator tagit=tagtmps.iterator();
3032 while(tagit.hasNext()) {
3033 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3034 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3035 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3037 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3041 tagtmps=tagsettable.get(temp);
3042 if (tagtmps!=null) {
3043 Iterator tagit=tagtmps.iterator();
3044 while(tagit.hasNext()) {
3045 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3046 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3047 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3049 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3054 int andmask=0xFFFFFFF;
3056 if (flagortable.containsKey(temp))
3057 ormask=((Integer)flagortable.get(temp)).intValue();
3058 if (flagandtable.containsKey(temp))
3059 andmask=((Integer)flagandtable.get(temp)).intValue();
3060 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3061 generateObjectDistribute(ffan, fm, temp, output);
3065 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3066 PrintWriter output, int ormask, int andmask) {
3067 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3068 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3070 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3074 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3075 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3078 void generateOptionalHeader(PrintWriter headers) {
3081 headers.println("#include \"task.h\"\n\n");
3082 headers.println("#ifndef _OPTIONAL_STRUCT_");
3083 headers.println("#define _OPTIONAL_STRUCT_");
3085 //STRUCT PREDICATEMEMBER
3086 headers.println("struct predicatemember{");
3087 headers.println("int type;");
3088 headers.println("int numdnfterms;");
3089 headers.println("int * flags;");
3090 headers.println("int numtags;");
3091 headers.println("int * tags;\n};\n\n");
3093 //STRUCT OPTIONALTASKDESCRIPTOR
3094 headers.println("struct optionaltaskdescriptor{");
3095 headers.println("struct taskdescriptor * task;");
3096 headers.println("int index;");
3097 headers.println("int numenterflags;");
3098 headers.println("int * enterflags;");
3099 headers.println("int numpredicatemembers;");
3100 headers.println("struct predicatemember ** predicatememberarray;");
3101 headers.println("};\n\n");
3103 //STRUCT TASKFAILURE
3104 headers.println("struct taskfailure {");
3105 headers.println("struct taskdescriptor * task;");
3106 headers.println("int index;");
3107 headers.println("int numoptionaltaskdescriptors;");
3108 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3110 //STRUCT FSANALYSISWRAPPER
3111 headers.println("struct fsanalysiswrapper{");
3112 headers.println("int flags;");
3113 headers.println("int numtags;");
3114 headers.println("int * tags;");
3115 headers.println("int numtaskfailures;");
3116 headers.println("struct taskfailure ** taskfailurearray;");
3117 headers.println("int numoptionaltaskdescriptors;");
3118 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3120 //STRUCT CLASSANALYSISWRAPPER
3121 headers.println("struct classanalysiswrapper{");
3122 headers.println("int type;");
3123 headers.println("int numotd;");
3124 headers.println("struct optionaltaskdescriptor ** otdarray;");
3125 headers.println("int numfsanalysiswrappers;");
3126 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3128 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3130 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3131 while(taskit.hasNext()) {
3132 TaskDescriptor td=(TaskDescriptor)taskit.next();
3133 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3138 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3139 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3140 int predicateindex = 0;
3141 //iterate through the classes concerned by the predicate
3142 Set c_vard = predicate.vardescriptors;
3143 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3146 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3147 VarDescriptor vard = (VarDescriptor)vard_it.next();
3148 TypeDescriptor typed = vard.getType();
3150 //generate for flags
3151 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3152 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3154 if (fen_hashset!=null) {
3155 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3156 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3158 DNFFlag dflag=fen.getDNF();
3159 numberterms+=dflag.size();
3161 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3163 for(int j=0; j<dflag.size(); j++) {
3165 output.println(",");
3166 Vector term=dflag.get(j);
3169 for(int k=0; k<term.size(); k++) {
3170 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3171 FlagDescriptor fd=dfa.getFlag();
3172 boolean negated=dfa.getNegated();
3173 int flagid=1<<((Integer)flags.get(fd)).intValue();
3178 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3183 output.println("};\n");
3186 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3187 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3190 for(int j=0; j<tagel.numTags(); j++) {
3192 output.println(",");
3193 TempDescriptor tmp=tagel.getTemp(j);
3194 if (!slotnumber.containsKey(tmp)) {
3195 Integer slotint=new Integer(current_slot++);
3196 slotnumber.put(tmp,slotint);
3198 int slot=slotnumber.get(tmp).intValue();
3199 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3201 numtags = tagel.numTags();
3203 output.println("};");
3205 //store the result into a predicatemember struct
3206 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3207 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3208 output.println("/* number of dnf terms */"+numberterms+",");
3209 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3210 output.println("/* number of tag */"+numtags+",");
3211 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3212 output.println("};\n");
3217 //generate an array that stores the entire predicate
3218 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3219 for( int j = 0; j<predicateindex; j++) {
3220 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3221 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3223 output.println("};\n");
3224 return predicateindex;
3228 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3229 generateOptionalHeader(headers);
3231 output.println("#include \"optionalstruct.h\"\n\n");
3232 output.println("#include \"stdlib.h\"\n");
3234 HashSet processedcd = new HashSet();
3236 Enumeration e = safeexecution.keys();
3237 while (e.hasMoreElements()) {
3240 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3241 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3243 //Generate the struct of optionals
3244 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3245 numotd = c_otd.size();
3246 if(maxotd<numotd) maxotd = numotd;
3247 if( !c_otd.isEmpty() ) {
3248 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3249 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3251 //generate the int arrays for the predicate
3252 Predicate predicate = otd.predicate;
3253 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3254 TreeSet<Integer> fsset=new TreeSet<Integer>();
3255 //iterate through possible FSes corresponding to
3256 //the state when entering
3258 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3259 FlagState fs = (FlagState)fses.next();
3261 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3262 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3263 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3266 fsset.add(new Integer(flagid));
3267 //tag information not needed because tag
3268 //changes are not tolerated.
3271 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3272 boolean needcomma=false;
3273 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3276 output.println(it.next());
3279 output.println("};\n");
3282 //generate optionaltaskdescriptor that actually
3283 //includes exit fses, predicate and the task
3285 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3286 output.println("&task_"+otd.td.getSafeSymbol()+",");
3287 output.println("/*index*/"+otd.getIndex()+",");
3288 output.println("/*number of enter flags*/"+fsset.size()+",");
3289 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3290 output.println("/*number of members */"+predicateindex+",");
3291 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3292 output.println("};\n");
3296 // if there are no optionals, there is no need to build the rest of the struct
3298 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3299 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3300 if( !c_otd.isEmpty() ) {
3301 boolean needcomma=false;
3302 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3303 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3305 output.println(",");
3307 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3310 output.println("};\n");
3312 //get all the possible flagstates reachable by an object
3313 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3315 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3316 fsts.addAll(hashtbtemp.keySet());
3317 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3318 FlagState fs = (FlagState)fsit.next();
3321 //get the set of OptionalTaskDescriptors corresponding
3322 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3323 //iterate through the OptionalTaskDescriptors and
3324 //store the pointers to the optionals struct (see on
3325 //top) into an array
3327 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3328 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3329 OptionalTaskDescriptor mm = mos.next();
3331 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3333 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3336 output.println("};\n");
3338 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3341 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3342 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3343 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3347 //process tag information
3350 boolean first = true;
3351 Enumeration tag_enum = fs.getTags();
3352 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3353 while(tag_enum.hasMoreElements()) {
3355 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3359 output.println(", ");
3360 output.println("/*tagid*/"+state.getTagId(tagd));
3362 output.println("};");
3364 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3365 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3366 TaskIndex ti=itti.next();
3370 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3372 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3373 boolean needcomma=false;
3374 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3375 OptionalTaskDescriptor otd=otdit.next();
3379 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3381 output.println("};");
3383 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3384 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3385 output.print(ti.getIndex()+", ");
3386 output.print(otdset.size()+", ");
3387 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3388 output.println("};");
3391 tiset=sa.getTaskIndex(fs);
3392 boolean needcomma=false;
3394 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3395 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3396 TaskIndex ti=itti.next();
3397 if (ti.isRuntime()) {
3404 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3406 output.println("};\n");
3408 //Store the result in fsanalysiswrapper
3410 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3411 output.println("/*flag*/"+flagid+",");
3412 output.println("/* number of tags*/"+tagcounter+",");
3413 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3414 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3415 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3416 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3417 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3418 output.println("};\n");
3422 //Build the array of fsanalysiswrappers
3423 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3424 boolean needcomma=false;
3425 for(int i = 0; i<fscounter; i++) {
3426 if (needcomma) output.print(",");
3427 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3430 output.println("};");
3432 //Build the classanalysiswrapper referring to the previous array
3433 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3434 output.println("/*type*/"+cdtemp.getId()+",");
3435 output.println("/*numotd*/"+numotd+",");
3436 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3437 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3438 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3439 processedcd.add(cdtemp);
3442 //build an array containing every classes for which code has been build
3443 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3444 for(int i=0; i<state.numClasses(); i++) {
3445 ClassDescriptor cn=cdarray[i];
3448 if ((cn != null) && (processedcd.contains(cn)))
3449 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3451 output.print("NULL");
3453 output.println("};");
3455 output.println("#define MAXOTD "+maxotd);
3456 headers.println("#endif");
3459 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3460 Relation r=new Relation();
3461 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3462 OptionalTaskDescriptor otd=otdit.next();
3463 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3467 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3468 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3469 Set s=r.get(it.next());
3470 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3471 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3479 // override these methods in a subclass of BuildCode
3480 // to generate code for additional systems
3481 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3483 protected void outputTransCode(PrintWriter output) {
3485 protected void buildCodeSetup() {
3487 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3489 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3491 protected void preCodeGenInitialization() {
3493 protected void postCodeGenCleanUp() {
3495 protected void additionalCodeGen(PrintWriter outmethodheader,
3496 PrintWriter outstructs,
3497 PrintWriter outmethod) {
3499 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3501 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3503 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3505 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3507 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3509 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3511 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3513 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3515 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3518 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3519 // we do not print out line number if no one explicitly set the number
3520 if(fn.getNumLine()!=-1){
3522 int lineNum=fn.getNumLine();
3524 // do not generate the line number if it is same as the previous one
3525 boolean needtoprint;
3526 if(fn.prev.size()==0){
3532 for(int i=0;i<fn.prev.size();i++){
3533 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3534 if(prevLineNum!=lineNum){
3540 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());