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. */
81 public void buildCode() {
82 /* Create output streams to write to */
83 PrintWriter outclassdefs=null;
84 PrintWriter outstructs=null;
85 PrintWriter outrepairstructs=null;
86 PrintWriter outmethodheader=null;
87 PrintWriter outmethod=null;
88 PrintWriter outvirtual=null;
89 PrintWriter outtask=null;
90 PrintWriter outtaskdefs=null;
91 PrintWriter outoptionalarrays=null;
92 PrintWriter optionalheaders=null;
93 PrintWriter outglobaldefs=null;
94 PrintWriter outglobaldefsprim=null;
95 State.logEvent("Beginning of buildCode");
98 buildCodeSetup(); //EXTENSION POINT
99 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
100 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
101 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
102 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
103 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
104 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
105 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
107 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
108 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
109 if (state.OPTIONAL) {
110 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
111 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
114 if (state.structfile!=null) {
115 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
117 } catch (Exception e) {
122 /* Fix field safe symbols due to shadowing */
123 FieldShadow.handleFieldShadow(state);
125 /* Build the virtual dispatch tables */
126 buildVirtualTables(outvirtual);
128 /* Tag the methods that are invoked by static blocks */
129 tagMethodInvokedByStaticBlock();
131 /* Output includes */
132 outmethodheader.println("#ifndef METHODHEADERS_H");
133 outmethodheader.println("#define METHODHEADERS_H");
134 outmethodheader.println("#include \"structdefs.h\"");
136 if (state.EVENTMONITOR) {
137 outmethodheader.println("#include \"monitor.h\"");
140 additionalIncludesMethodsHeader(outmethodheader);
142 /* Output Structures */
143 outputStructs(outstructs);
145 initOutputGlobals(outglobaldefs, outglobaldefsprim);
147 outclassdefs.println("#ifndef __CLASSDEF_H_");
148 outclassdefs.println("#define __CLASSDEF_H_");
149 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
151 // Output function prototypes and structures for parameters
152 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
153 while(it.hasNext()) {
154 ClassDescriptor cn=(ClassDescriptor)it.next();
155 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
157 outclassdefs.println("#include \"globaldefs.h\"");
158 outclassdefs.println("#include \"globaldefsprim.h\"");
159 outclassdefs.println("#endif");
160 outclassdefs.close();
162 finalOutputGlobals(outglobaldefs, outglobaldefsprim);
165 /* Map flags to integers */
166 /* The runtime keeps track of flags using these integers */
167 it=state.getClassSymbolTable().getDescriptorsIterator();
168 while(it.hasNext()) {
169 ClassDescriptor cn=(ClassDescriptor)it.next();
173 generateTaskStructs(outstructs, outmethodheader);
175 /* Outputs generic task structures if this is a task
177 outputTaskTypes(outtask);
180 // an opportunity for subclasses to do extra
182 preCodeGenInitialization();
184 State.logEvent("Start outputMethods");
185 /* Build the actual methods */
186 outputMethods(outmethod);
187 State.logEvent("End outputMethods");
189 // opportunity for subclasses to gen extra code
190 additionalCodeGen(outmethodheader, outstructs, outmethod);
193 /* Output code for tasks */
194 outputTaskCode(outtaskdefs, outmethod);
196 /* Record maximum number of task parameters */
197 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
198 } else if (state.main!=null) {
199 /* Generate main method */
200 outputMainMethod(outmethod);
203 /* Generate information for task with optional parameters */
204 if (state.TASK&&state.OPTIONAL) {
205 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
206 outoptionalarrays.close();
209 /* Output structure definitions for repair tool */
210 if (state.structfile!=null) {
211 buildRepairStructs(outrepairstructs);
212 outrepairstructs.close();
216 outmethodheader.println("#endif");
217 outmethodheader.close();
219 outstructs.println("#endif");
222 postCodeGenCleanUp();
223 State.logEvent("End of buildCode");
226 protected void initOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
227 // Output the C class declarations
228 // These could mutually reference each other
229 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
230 outglobaldefs.println("#define __GLOBALDEF_H_");
231 outglobaldefs.println("");
232 outglobaldefs.println("struct global_defs_t {");
233 outglobaldefs.println(" int size;");
234 outglobaldefs.println(" void * next;");
235 outglobaldefs.println(" struct ArrayObject * classobjs;");
236 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
237 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
238 outglobaldefsprim.println("");
239 outglobaldefsprim.println("struct global_defsprim_t {");
242 protected void finalOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
243 outglobaldefs.println("};");
244 outglobaldefs.println("");
245 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
246 outglobaldefs.println("#endif");
247 outglobaldefs.flush();
248 outglobaldefs.close();
250 outglobaldefsprim.println("};");
251 outglobaldefsprim.println("");
252 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
253 outglobaldefsprim.println("#endif");
254 outglobaldefsprim.flush();
255 outglobaldefsprim.close();
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);
524 } else if (state.JNI) {
525 generateNativeFlatMethod(fm, outmethod);
531 protected void outputStructs(PrintWriter outstructs) {
532 outstructs.println("#ifndef STRUCTDEFS_H");
533 outstructs.println("#define STRUCTDEFS_H");
534 outstructs.println("#include \"classdefs.h\"");
535 outstructs.println("#ifndef INTPTR");
536 outstructs.println("#ifdef BIT64");
537 outstructs.println("#define INTPTR long");
538 outstructs.println("#else");
539 outstructs.println("#define INTPTR int");
540 outstructs.println("#endif");
541 outstructs.println("#endif");
544 additionalIncludesStructsHeader(outstructs);
547 /* Output #defines that the runtime uses to determine type
548 * numbers for various objects it needs */
549 outstructs.println("#define MAXCOUNT "+maxcount);
551 outstructs.println("#define STRINGARRAYTYPE "+
552 (state.getArrayNumber(
553 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
555 outstructs.println("#define OBJECTARRAYTYPE "+
556 (state.getArrayNumber(
557 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
560 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
561 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
562 outstructs.println("#define CHARARRAYTYPE "+
563 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
565 outstructs.println("#define BYTEARRAYTYPE "+
566 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
568 outstructs.println("#define BYTEARRAYARRAYTYPE "+
569 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
571 outstructs.println("#define NUMCLASSES "+state.numClasses());
572 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
573 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
575 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
576 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
577 outstructs.println("#define TAGARRAYTYPE "+
578 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
582 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
583 if (state.THREAD||state.DSM||state.SINGLETM)
584 outclassdefs.println("#include <pthread.h>");
585 outclassdefs.println("#ifndef INTPTR");
586 outclassdefs.println("#ifdef BIT64");
587 outclassdefs.println("#define INTPTR long");
588 outclassdefs.println("#else");
589 outclassdefs.println("#define INTPTR int");
590 outclassdefs.println("#endif");
591 outclassdefs.println("#endif");
593 outclassdefs.println("#include \"optionalstruct.h\"");
594 outclassdefs.println("struct "+arraytype+";");
595 /* Start by declaring all structs */
596 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
597 while(it.hasNext()) {
598 ClassDescriptor cn=(ClassDescriptor)it.next();
599 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
601 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
602 // this class has static fields/blocks, need to add a global flag to
603 // indicate if its static fields have been initialized and/or if its
604 // static blocks have been executed
605 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
608 outclassdefs.println("");
609 //Print out definition for array type
610 outclassdefs.println("struct "+arraytype+" {");
611 outclassdefs.println(" int type;");
612 outclassdefs.println(" int hashcode;");
614 additionalClassObjectFields(outclassdefs);
617 if (state.EVENTMONITOR) {
618 outclassdefs.println(" int objuid;");
621 outclassdefs.println(" volatile int tid;");
622 outclassdefs.println(" volatile int notifycount;");
625 outclassdefs.println(" int mutex;");
626 outclassdefs.println(" volatile int notifycount;");
627 outclassdefs.println(" volatile int objlock;");
628 if(state.MULTICOREGC) {
629 outclassdefs.println(" int marked;");
633 outclassdefs.println(" int flag;");
634 if(!state.MULTICORE) {
635 outclassdefs.println(" void * flagptr;");
637 outclassdefs.println(" int version;");
638 outclassdefs.println(" int * lock;"); // lock entry for this obj
639 outclassdefs.println(" int mutex;");
640 outclassdefs.println(" volatile int lockcount;");
641 outclassdefs.println(" volatile int notifycount;");
642 if(state.MULTICOREGC) {
643 outclassdefs.println(" int marked;");
647 outclassdefs.println(" int numfses;");
648 outclassdefs.println(" int * fses;");
652 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
653 printedfieldstbl.clear();
654 printExtraArrayFields(outclassdefs);
655 if (state.ARRAYPAD) {
656 outclassdefs.println(" int paddingforarray;");
659 outclassdefs.println(" int ___length___;");
660 outclassdefs.println("};\n");
662 outclassdefs.println("");
663 outclassdefs.println("extern int classsize[];");
664 outclassdefs.println("extern int hasflags[];");
665 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
666 outclassdefs.println("extern int* supertypes[];");
667 outclassdefs.println("");
670 /** Prints out definitions for generic task structures */
672 protected void outputTaskTypes(PrintWriter outtask) {
673 outtask.println("#ifndef _TASK_H");
674 outtask.println("#define _TASK_H");
675 outtask.println("struct parameterdescriptor {");
676 outtask.println("int type;");
677 outtask.println("int numberterms;");
678 outtask.println("int *intarray;");
679 outtask.println("void * queue;");
680 outtask.println("int numbertags;");
681 outtask.println("int *tagarray;");
682 outtask.println("};");
684 outtask.println("struct taskdescriptor {");
685 outtask.println("void * taskptr;");
686 outtask.println("int numParameters;");
687 outtask.println(" int numTotal;");
688 outtask.println("struct parameterdescriptor **descriptorarray;");
689 outtask.println("char * name;");
690 outtask.println("};");
691 outtask.println("extern struct taskdescriptor * taskarray[];");
692 outtask.println("extern numtasks;");
693 outtask.println("#endif");
697 protected void buildRepairStructs(PrintWriter outrepairstructs) {
698 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
699 while(classit.hasNext()) {
700 ClassDescriptor cn=(ClassDescriptor)classit.next();
701 outrepairstructs.println("structure "+cn.getSymbol()+" {");
702 outrepairstructs.println(" int __type__;");
704 outrepairstructs.println(" int __flag__;");
705 if(!state.MULTICORE) {
706 outrepairstructs.println(" int __flagptr__;");
709 printRepairStruct(cn, outrepairstructs);
710 outrepairstructs.println("}\n");
713 for(int i=0; i<state.numArrays(); i++) {
714 TypeDescriptor tdarray=arraytable[i];
715 TypeDescriptor tdelement=tdarray.dereference();
716 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
717 outrepairstructs.println(" int __type__;");
718 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
719 outrepairstructs.println(" int length;");
720 outrepairstructs.println("}\n");
724 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
725 ClassDescriptor sp=cn.getSuperDesc();
727 printRepairStruct(sp, output);
729 Vector fields=(Vector)fieldorder.get(cn);
731 for(int i=0; i<fields.size(); i++) {
732 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
733 if (fd.getType().isArray()) {
734 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
735 } else if (fd.getType().isClass())
736 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
737 else if (fd.getType().isFloat())
738 output.println(" int "+fd.getSymbol()+"; /* really float */");
740 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
744 /** This method outputs TaskDescriptor information */
745 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
746 for (int i=0; i<task.numParameters(); i++) {
747 VarDescriptor param_var=task.getParameter(i);
748 TypeDescriptor param_type=task.getParamType(i);
749 FlagExpressionNode param_flag=task.getFlag(param_var);
750 TagExpressionList param_tag=task.getTag(param_var);
753 if (param_flag==null) {
754 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
755 output.println("0x0, 0x0 };");
758 DNFFlag dflag=param_flag.getDNF();
759 dnfterms=dflag.size();
761 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
762 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
763 for(int j=0; j<dflag.size(); j++) {
766 Vector term=dflag.get(j);
769 for(int k=0; k<term.size(); k++) {
770 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
771 FlagDescriptor fd=dfa.getFlag();
772 boolean negated=dfa.getNegated();
773 int flagid=1<<((Integer)flags.get(fd)).intValue();
778 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
780 output.println("};");
783 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
785 for(int j=0; j<param_tag.numTags(); j++) {
788 /* for each tag we need */
789 /* which slot it is */
790 /* what type it is */
791 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
792 TempDescriptor tmp=param_tag.getTemp(j);
793 int slot=fm.getTagInt(tmp);
794 output.println(slot+", "+state.getTagId(tvd.getTag()));
796 output.println("};");
798 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
799 output.println("/* type */"+param_type.getClassDesc().getId()+",");
800 output.println("/* number of DNF terms */"+dnfterms+",");
801 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
802 output.println("0,");
804 output.println("/* number of tags */"+param_tag.numTags()+",");
806 output.println("/* number of tags */ 0,");
807 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
808 output.println("};");
812 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
813 for (int i=0; i<task.numParameters(); i++) {
816 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
818 output.println("};");
820 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
821 output.println("&"+task.getSafeSymbol()+",");
822 output.println("/* number of parameters */" +task.numParameters() + ",");
823 int numtotal=task.numParameters()+fm.numTags();
824 output.println("/* number total parameters */" +numtotal + ",");
825 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
826 output.println("\""+task.getSymbol()+"\"");
827 output.println("};");
831 /** The buildVirtualTables method outputs the virtual dispatch
832 * tables for methods. */
834 protected void buildVirtualTables(PrintWriter outvirtual) {
835 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
836 while(classit.hasNext()) {
837 ClassDescriptor cd=(ClassDescriptor)classit.next();
838 if (virtualcalls.getMethodCount(cd)>maxcount)
839 maxcount=virtualcalls.getMethodCount(cd);
841 MethodDescriptor[][] virtualtable=null;
842 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
844 /* Fill in virtual table */
845 classit=state.getClassSymbolTable().getDescriptorsIterator();
846 while(classit.hasNext()) {
847 ClassDescriptor cd=(ClassDescriptor)classit.next();
848 if(cd.isInterface()) {
851 fillinRow(cd, virtualtable, cd.getId());
854 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
855 Iterator arrayit=state.getArrayIterator();
856 while(arrayit.hasNext()) {
857 TypeDescriptor td=(TypeDescriptor)arrayit.next();
858 int id=state.getArrayNumber(td);
859 fillinRow(objectcd, virtualtable, id+state.numClasses());
862 outvirtual.print("void * virtualtable[]={");
863 boolean needcomma=false;
864 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
865 for(int j=0; j<maxcount; j++) {
867 outvirtual.print(", ");
868 if (virtualtable[i][j]!=null) {
869 MethodDescriptor md=virtualtable[i][j];
870 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
872 outvirtual.print("0");
876 outvirtual.println("");
878 outvirtual.println("};");
882 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
883 /* Get inherited methods */
884 Iterator it_sifs = cd.getSuperInterfaces();
885 while(it_sifs.hasNext()) {
886 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
887 fillinRow(superif, virtualtable, rownum);
889 if (cd.getSuperDesc()!=null)
890 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
891 /* Override them with our methods */
892 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
893 MethodDescriptor md=(MethodDescriptor)it.next();
894 if (md.isStatic()||md.getReturnType()==null)
897 if (!callgraph.isCallable(md)) {
901 int methodnum = virtualcalls.getMethodNumber(md);
902 virtualtable[rownum][methodnum]=md;
906 /** Generate array that contains the sizes of class objects. The
907 * object allocation functions in the runtime use this
910 protected void generateSizeArray(PrintWriter outclassdefs) {
911 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
912 generateSizeArrayExtensions(outclassdefs);
914 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
915 cdarray=new ClassDescriptor[state.numClasses()];
916 ifarray = new ClassDescriptor[state.numInterfaces()];
919 while(it.hasNext()) {
920 ClassDescriptor cd=(ClassDescriptor)it.next();
921 if(cd.isInterface()) {
922 ifarray[cd.getId()] = cd;
924 cdarray[cd.getId()] = cd;
928 arraytable=new TypeDescriptor[state.numArrays()];
930 Iterator arrayit=state.getArrayIterator();
931 while(arrayit.hasNext()) {
932 TypeDescriptor td=(TypeDescriptor)arrayit.next();
933 int id=state.getArrayNumber(td);
937 /* Print out types */
938 outclassdefs.println("/* ");
939 for(int i=0; i<state.numClasses(); i++) {
940 ClassDescriptor cd=cdarray[i];
942 outclassdefs.println("NULL " + i);
944 outclassdefs.println(cd +" "+i);
948 for(int i=0; i<state.numArrays(); i++) {
949 TypeDescriptor arraytd=arraytable[i];
950 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
953 for(int i=0; i<state.numInterfaces(); i++) {
954 ClassDescriptor ifcd = ifarray[i];
955 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
958 outclassdefs.println("*/");
961 outclassdefs.print("int classsize[]={");
963 boolean needcomma=false;
964 for(int i=0; i<state.numClasses(); i++) {
966 outclassdefs.print(", ");
968 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
970 outclassdefs.print("0");
976 for(int i=0; i<state.numArrays(); i++) {
978 outclassdefs.print(", ");
979 TypeDescriptor tdelement=arraytable[i].dereference();
980 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
981 outclassdefs.print("sizeof(void *)");
983 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
987 for(int i=0; i<state.numInterfaces(); i++) {
989 outclassdefs.print(", ");
990 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
994 outclassdefs.println("};");
996 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
998 outclassdefs.print("int typearray[]={");
999 for(int i=0; i<state.numClasses(); i++) {
1000 ClassDescriptor cd=cdarray[i];
1001 ClassDescriptor supercd=i>0 ? cd.getSuperDesc() : null;
1002 if(supercd != null && supercd.isInterface()) {
1003 throw new Error("Super class can not be interfaces");
1006 outclassdefs.print(", ");
1008 outclassdefs.print("-1");
1010 outclassdefs.print(supercd.getId());
1014 for(int i=0; i<state.numArrays(); i++) {
1015 TypeDescriptor arraytd=arraytable[i];
1016 ClassDescriptor arraycd=arraytd.getClassDesc();
1017 if (arraycd==null) {
1019 outclassdefs.print(", ");
1020 outclassdefs.print(objectclass.getId());
1024 ClassDescriptor cd=arraycd.getSuperDesc();
1027 TypeDescriptor supertd=new TypeDescriptor(cd);
1028 supertd.setArrayCount(arraytd.getArrayCount());
1029 type=state.getArrayNumber(supertd);
1031 type+=state.numClasses();
1034 cd=cd.getSuperDesc();
1037 outclassdefs.print(", ");
1038 outclassdefs.print(type);
1042 for(int i=0; i<state.numInterfaces(); i++) {
1043 ClassDescriptor cd=ifarray[i];
1044 ClassDescriptor supercd=cd.getSuperDesc();
1045 if(supercd != null && supercd.isInterface()) {
1046 throw new Error("Super class can not be interfaces");
1049 outclassdefs.print(", ");
1051 outclassdefs.print("-1");
1053 outclassdefs.print(supercd.getId());
1057 outclassdefs.println("};");
1062 outclassdefs.print("int typearray2[]={");
1063 for(int i=0; i<state.numArrays(); i++) {
1064 TypeDescriptor arraytd=arraytable[i];
1065 ClassDescriptor arraycd=arraytd.getClassDesc();
1066 if (arraycd==null) {
1068 outclassdefs.print(", ");
1069 outclassdefs.print("-1");
1073 ClassDescriptor cd=arraycd.getSuperDesc();
1074 int level=arraytd.getArrayCount()-1;
1076 for(; level>0; level--) {
1077 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1078 supertd.setArrayCount(level);
1079 type=state.getArrayNumber(supertd);
1081 type+=state.numClasses();
1086 outclassdefs.print(", ");
1087 outclassdefs.print(type);
1091 outclassdefs.println("};");
1094 /** Constructs params and temp objects for each method or task.
1095 * These objects tell the compiler which temps need to be
1098 protected void generateTempStructs(FlatMethod fm) {
1099 MethodDescriptor md=fm.getMethod();
1100 TaskDescriptor task=fm.getTask();
1101 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1103 paramstable.put(md, objectparams);
1105 paramstable.put(task, objectparams);
1107 for(int i=0; i<fm.numParameters(); i++) {
1108 TempDescriptor temp=fm.getParameter(i);
1109 TypeDescriptor type=temp.getType();
1110 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1111 objectparams.addPtr(temp);
1113 objectparams.addPrim(temp);
1116 for(int i=0; i<fm.numTags(); i++) {
1117 TempDescriptor temp=fm.getTag(i);
1118 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1119 objectparams.addPtr(temp);
1121 objectparams.addPrim(temp);
1124 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1126 tempstable.put(md, objecttemps);
1128 tempstable.put(task, objecttemps);
1130 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1131 FlatNode fn=(FlatNode)nodeit.next();
1132 TempDescriptor[] writes=fn.writesTemps();
1133 for(int i=0; i<writes.length; i++) {
1134 TempDescriptor temp=writes[i];
1135 TypeDescriptor type=temp.getType();
1136 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1137 objecttemps.addPtr(temp);
1139 objecttemps.addPrim(temp);
1144 /** This method outputs the following information about classes
1146 * (1) For classes, what are the locations of pointers.
1147 * (2) For arrays, does the array contain pointers or primitives.
1148 * (3) For classes, does the class contain flags.
1151 protected void generateLayoutStructs(PrintWriter output) {
1152 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1153 while(it.hasNext()) {
1154 ClassDescriptor cn=(ClassDescriptor)it.next();
1155 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1156 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1158 while(allit.hasNext()) {
1159 FieldDescriptor fd=(FieldDescriptor)allit.next();
1163 TypeDescriptor type=fd.getType();
1167 output.print(count);
1168 allit=cn.getFieldTable().getAllDescriptorsIterator();
1169 while(allit.hasNext()) {
1170 FieldDescriptor fd=(FieldDescriptor)allit.next();
1174 TypeDescriptor type=fd.getType();
1176 output.println(",");
1177 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1178 fd.getSafeSymbol()+"))");
1181 output.println("};");
1184 output.println("unsigned INTPTR * pointerarray[]={");
1185 boolean needcomma=false;
1186 for(int i=0; i<state.numClasses(); i++) {
1187 ClassDescriptor cn=cdarray[i];
1189 output.println(",");
1192 output.print(cn.getSafeSymbol()+"_pointers");
1194 output.print("NULL");
1198 for(int i=0; i<state.numArrays(); i++) {
1200 output.println(", ");
1201 TypeDescriptor tdelement=arraytable[i].dereference();
1202 if (tdelement.isArray()||tdelement.isClass())
1203 output.print("((unsigned INTPTR *)1)");
1209 output.println("};");
1211 output.println("int hasflags[]={");
1212 for(int i=0; i<state.numClasses(); i++) {
1213 ClassDescriptor cn=cdarray[i];
1215 output.println(", ");
1217 if ((cn != null) && (cn.hasFlags()))
1222 output.println("};");
1225 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1228 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1229 supertd.setArrayCount(arraytd.getArrayCount());
1230 type=state.getArrayNumber(supertd);
1235 ClassDescriptor cd = arraycd.getSuperDesc();
1237 type = checkarraysupertype(cd, arraytd);
1243 Iterator it_sifs = arraycd.getSuperInterfaces();
1244 while(it_sifs.hasNext()) {
1245 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1246 type = checkarraysupertype(ifcd, arraytd);
1256 /** Print out table to give us supertypes */
1257 protected void generateSuperTypeTable(PrintWriter output) {
1258 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1259 for(int i=0; i<state.numClasses(); i++) {
1260 ClassDescriptor cn=cdarray[i];
1264 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1265 boolean ncomma = false;
1267 if((cn != null) && (cn.getSuperDesc() != null)) {
1270 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1271 while(it_sifs != null && it_sifs.hasNext()) {
1277 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1281 ClassDescriptor cdsuper=cn.getSuperDesc();
1282 output.print(cdsuper.getId());
1284 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1285 while(it_sifs != null && it_sifs.hasNext()) {
1289 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1292 output.println("};");
1295 for(int i=0; i<state.numArrays(); i++) {
1296 TypeDescriptor arraytd=arraytable[i];
1297 ClassDescriptor arraycd=arraytd.getClassDesc();
1298 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1299 boolean ncomma = false;
1301 if (arraycd==null) {
1305 output.print(objectclass.getId());
1306 output.println("};");
1309 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1312 Iterator it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1313 while(it_sifs != null && it_sifs.hasNext()) {
1319 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1320 ClassDescriptor cd=arraycd.getSuperDesc();
1323 type = checkarraysupertype(cd, arraytd);
1325 type += state.numClasses();
1332 it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1333 while(it_sifs != null && it_sifs.hasNext()) {
1334 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1335 int type = checkarraysupertype(ifcd , arraytd);
1337 type += state.numClasses();
1343 output.println("};");
1346 for(int i=0; i<state.numInterfaces(); i++) {
1347 ClassDescriptor cn=ifarray[i];
1351 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1352 boolean ncomma = false;
1354 if((cn != null) && (cn.getSuperDesc() != null)) {
1357 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1358 while(it_sifs != null && it_sifs.hasNext()) {
1364 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1368 ClassDescriptor cdsuper=cn.getSuperDesc();
1369 output.print(cdsuper.getId());
1371 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1372 while(it_sifs != null && it_sifs.hasNext()) {
1376 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1379 output.println("};");
1382 output.println("int* supertypes[]={");
1383 boolean needcomma=false;
1384 for(int i=0; i<state.numClasses(); i++) {
1385 ClassDescriptor cn=cdarray[i];
1387 output.println(",");
1390 output.print("supertypes" + cn.getSafeSymbol());
1396 for(int i=0; i<state.numArrays(); i++) {
1398 output.println(",");
1400 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1403 for(int i=0; i<state.numInterfaces(); i++) {
1404 ClassDescriptor cn=ifarray[i];
1406 output.println(",");
1408 output.print("supertypes" + cn.getSafeSymbol());
1410 output.println("};");
1413 /** Force consistent field ordering between inherited classes. */
1415 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1417 ClassDescriptor sp=cn.getSuperDesc();
1419 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1421 SymbolTable sitbl = cn.getSuperInterfaceTable();
1422 Iterator it_sifs = sitbl.getDescriptorsIterator();
1423 while(it_sifs.hasNext()) {
1424 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1425 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1428 if (!fieldorder.containsKey(cn)) {
1429 Vector fields=new Vector();
1430 fieldorder.put(cn,fields);
1432 Vector fieldvec=cn.getFieldVec();
1434 for(int i=0; i<fieldvec.size(); i++) {
1435 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1436 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1439 it_sifs = sitbl.getDescriptorsIterator();
1440 while(it_sifs.hasNext()) {
1441 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1442 if(si.getFieldTable().contains(fd.getSymbol())) {
1450 //Vector fields=(Vector)fieldorder.get(cn);
1452 Vector fields = cn.getFieldVec();
1454 for(int i=0; i<fields.size(); i++) {
1455 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1456 String fstring = fd.getSafeSymbol();
1457 if(printedfieldstbl.containsKey(fstring)) {
1458 printedfieldstbl.put(fstring, cn);
1461 printedfieldstbl.put(fstring, cn);
1463 if (fd.getType().isClass()
1464 && fd.getType().getClassDesc().isEnum()) {
1465 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1466 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1467 if (fd.isStatic()) {
1468 // TODO add version for normal Java later
1470 if(globaldefout != null) {
1471 if(fd.isVolatile()) {
1472 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1474 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1478 } else if (fd.isVolatile()) {
1480 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1482 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1484 } else if (fd.isStatic()) {
1485 // TODO add version for normal Java later
1487 if(globaldefout != null) {
1488 if(fd.isVolatile()) {
1489 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1491 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1494 } else if (fd.isVolatile()) {
1496 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1498 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1503 /* Map flags to integers consistently between inherited
1506 protected void mapFlags(ClassDescriptor cn) {
1507 ClassDescriptor sp=cn.getSuperDesc();
1511 if (!flagorder.containsKey(cn)) {
1512 Hashtable flags=new Hashtable();
1513 flagorder.put(cn,flags);
1515 Hashtable superflags=(Hashtable)flagorder.get(sp);
1516 Iterator superflagit=superflags.keySet().iterator();
1517 while(superflagit.hasNext()) {
1518 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1519 Integer number=(Integer)superflags.get(fd);
1520 flags.put(fd, number);
1521 if ((number.intValue()+1)>max)
1522 max=number.intValue()+1;
1526 Iterator flagit=cn.getFlags();
1527 while(flagit.hasNext()) {
1528 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1529 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1530 flags.put(fd, new Integer(max++));
1536 /** This function outputs (1) structures that parameters are
1537 * passed in (when PRECISE GC is enabled) and (2) function
1538 * prototypes for the methods */
1540 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1541 /* Output class structure */
1542 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1543 classdefout.println(" int type;");
1544 classdefout.println(" int hashcode;");
1546 additionalClassObjectFields(classdefout);
1549 if (state.EVENTMONITOR) {
1550 classdefout.println(" int objuid;");
1553 classdefout.println(" volatile int tid;");
1554 classdefout.println(" volatile int notifycount;");
1557 classdefout.println(" int mutex;");
1558 classdefout.println(" volatile int notifycount;");
1559 classdefout.println(" volatile int objlock;");
1560 if(state.MULTICOREGC) {
1561 classdefout.println(" int marked;");
1565 classdefout.println(" int flag;");
1566 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1567 classdefout.println(" void * flagptr;");
1568 } else if (state.MULTICORE) {
1569 classdefout.println(" int version;");
1570 classdefout.println(" int * lock;"); // lock entry for this obj
1571 classdefout.println(" int mutex;");
1572 classdefout.println(" int lockcount;");
1573 if(state.MULTICOREGC) {
1574 classdefout.println(" int marked;");
1577 if (state.OPTIONAL) {
1578 classdefout.println(" int numfses;");
1579 classdefout.println(" int * fses;");
1582 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1583 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1584 classdefout.println("};\n");
1585 generateCallStructsMethods(cn, output, headersout);
1589 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1590 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1591 MethodDescriptor md=(MethodDescriptor)methodit.next();
1593 if (!callgraph.isCallable(md)) {
1597 generateMethod(cn, md, headersout, output);
1601 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1602 /* Output parameter structure */
1603 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1604 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1605 // generate the staticinit version
1606 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1608 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1609 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1610 output.println(" int size;");
1611 output.println(" void * next;");
1612 for(int i=0; i<objectparams.numPointers(); i++) {
1613 TempDescriptor temp=objectparams.getPointer(i);
1614 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1615 output.println(" int " + temp.getSafeSymbol() + ";");
1617 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1620 output.println("};\n");
1623 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1624 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1625 output.println(" int size;");
1626 output.println(" void * next;");
1627 for(int i=0; i<objectparams.numPointers(); i++) {
1628 TempDescriptor temp=objectparams.getPointer(i);
1629 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1630 output.println(" int " + temp.getSafeSymbol() + ";");
1632 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1635 output.println("};\n");
1639 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1640 FlatMethod fm=state.getMethodFlat(md);
1641 generateTempStructs(fm);
1643 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1644 TempObject objecttemps=(TempObject) tempstable.get(md);
1646 boolean printcomma = false;
1648 generateMethodParam(cn, md, output);
1650 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1651 // generate the staticinit version
1652 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1654 /* Output temp structure */
1655 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1656 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1657 output.println(" int size;");
1658 output.println(" void * next;");
1659 for(int i=0; i<objecttemps.numPointers(); i++) {
1660 TempDescriptor temp=objecttemps.getPointer(i);
1661 if (!temp.getType().isArray() && temp.getType().isNull())
1662 output.println(" void * "+temp.getSafeSymbol()+";");
1664 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1666 output.println("};\n");
1669 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1670 /* First the return type */
1671 if (md.getReturnType()!=null) {
1672 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1673 headersout.println(" int ");
1674 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1675 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1677 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1679 //catch the constructor case
1680 headersout.print("void ");
1682 /* Next the method name */
1683 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1685 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1686 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1690 /* Output parameter list*/
1691 for(int i=0; i<objectparams.numPrimitives(); i++) {
1692 TempDescriptor temp=objectparams.getPrimitive(i);
1694 headersout.print(", ");
1696 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1697 headersout.print("int " + temp.getSafeSymbol());
1698 } else if (temp.getType().isClass()||temp.getType().isArray())
1699 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1701 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1703 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1704 headersout.print(", int linenum");
1706 headersout.println(");\n");
1709 /* Output temp structure */
1710 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1711 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1712 output.println(" int size;");
1713 output.println(" void * next;");
1714 for(int i=0; i<objecttemps.numPointers(); i++) {
1715 TempDescriptor temp=objecttemps.getPointer(i);
1716 if (!temp.getType().isArray() && temp.getType().isNull())
1717 output.println(" void * "+temp.getSafeSymbol()+";");
1719 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1721 output.println("};\n");
1724 /********* Output method declaration ***********/
1725 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1726 /* First the return type */
1727 if (md.getReturnType()!=null) {
1728 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1729 headersout.println(" int ");
1730 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1731 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1733 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1735 //catch the constructor case
1736 headersout.print("void ");
1738 /* Next the method name */
1739 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1741 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1742 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1746 /* Output parameter list*/
1747 for(int i=0; i<objectparams.numPrimitives(); i++) {
1748 TempDescriptor temp=objectparams.getPrimitive(i);
1750 headersout.print(", ");
1752 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1753 headersout.print("int " + temp.getSafeSymbol());
1754 } else if (temp.getType().isClass()||temp.getType().isArray())
1755 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1757 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1759 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1760 headersout.print(", int linenum");
1762 headersout.println(");\n");
1766 /** This function outputs (1) structures that parameters are
1767 * passed in (when PRECISE GC is enabled) and (2) function
1768 * prototypes for the tasks */
1770 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1771 /* Cycle through tasks */
1772 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1774 while(taskit.hasNext()) {
1775 /* Classify parameters */
1776 TaskDescriptor task=(TaskDescriptor)taskit.next();
1777 FlatMethod fm=state.getMethodFlat(task);
1778 generateTempStructs(fm);
1780 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1781 TempObject objecttemps=(TempObject) tempstable.get(task);
1783 /* Output parameter structure */
1784 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1785 output.println("struct "+task.getSafeSymbol()+"_params {");
1786 output.println(" int size;");
1787 output.println(" void * next;");
1788 for(int i=0; i<objectparams.numPointers(); i++) {
1789 TempDescriptor temp=objectparams.getPointer(i);
1790 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1793 output.println("};\n");
1794 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1795 maxtaskparams=objectparams.numPointers()+fm.numTags();
1799 /* Output temp structure */
1800 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1801 output.println("struct "+task.getSafeSymbol()+"_locals {");
1802 output.println(" int size;");
1803 output.println(" void * next;");
1804 for(int i=0; i<objecttemps.numPointers(); i++) {
1805 TempDescriptor temp=objecttemps.getPointer(i);
1806 if (!temp.getType().isArray() && temp.getType().isNull())
1807 output.println(" void * "+temp.getSafeSymbol()+";");
1808 else if(temp.getType().isTag())
1809 output.println(" struct "+
1810 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1812 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1814 output.println("};\n");
1817 /* Output task declaration */
1818 headersout.print("void " + task.getSafeSymbol()+"(");
1820 boolean printcomma=false;
1821 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1822 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1824 headersout.print("void * parameterarray[]");
1825 headersout.println(");\n");
1829 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1830 MethodDescriptor md=fm.getMethod();
1831 ClassDescriptor cd=md.getClassDesc();
1832 generateHeader(fm, md, outmethod);
1835 if (md.getModifiers().isStatic()) {
1836 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1838 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1841 for(int i=startindex;i<fm.numParameters();i++) {
1842 TempDescriptor tmp=fm.getParameter(i);
1843 if (tmp.getType().isPtr()) {
1844 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
1847 if (GENERATEPRECISEGC) {
1848 outmethod.println("stopforgc((struct garbagelist *)___params___)");
1850 if (md.getReturnType()!=null) {
1851 if (md.getReturnType().isPtr())
1852 outmethod.print("jobject retval=");
1854 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
1856 outmethod.print("Java_");
1857 outmethod.print(cd.getPackage().replace('.','_'));
1858 outmethod.print("_"+md.getSymbol()+"(");
1859 outmethod.print("JNI_vtable, rec");
1861 for(int i=startindex;i<fm.numParameters();i++) {
1862 outmethod.print(", ");
1863 TempDescriptor tmp=fm.getParameter(i);
1864 if (tmp.getType().isPtr()) {
1865 outmethod.print("param"+i);
1867 outmethod.print(generateTemp(fm, tmp));
1870 outmethod.println(");");
1871 if (GENERATEPRECISEGC) {
1872 outmethod.println("restartaftergc()");
1874 if (md.getReturnType()!=null) {
1875 if (md.getReturnType().isPtr()) {
1876 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
1877 outmethod.println("JNIclearstack();");
1878 outmethod.println("return retobj;");
1880 outmethod.println("JNIclearstack();");
1881 outmethod.println("return retval;");
1884 outmethod.println("}");
1887 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1888 if (State.PRINTFLAT)
1889 System.out.println(fm.printMethod());
1890 MethodDescriptor md=fm.getMethod();
1891 TaskDescriptor task=fm.getTask();
1892 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1893 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null ? md : task);
1895 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1896 // generate a special static init version
1897 mgcstaticinit = true;
1898 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1900 generateHeader(fm, md!=null ? md : task,output);
1901 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1903 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1904 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1905 output.print(objecttemp.numPointers()+",");
1906 output.print(paramsprefix);
1907 for(int j=0; j<objecttemp.numPointers(); j++)
1908 output.print(", NULL");
1909 output.println("};");
1912 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1913 TempDescriptor td=objecttemp.getPrimitive(i);
1914 TypeDescriptor type=td.getType();
1915 if (type.isNull() && !type.isArray())
1916 output.println(" void * "+td.getSafeSymbol()+";");
1917 else if (type.isClass() && type.getClassDesc().isEnum()) {
1918 output.println(" int " + td.getSafeSymbol() + ";");
1919 } else if (type.isClass()||type.isArray())
1920 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1922 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1925 additionalCodeAtTopFlatMethodBody(output, fm);
1927 /* Check to see if we need to do a GC if this is a
1928 * multi-threaded program...*/
1930 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC) {
1931 //Don't bother if we aren't in recursive methods...The loops case will catch it
1932 if (callgraph.getAllMethods(md).contains(md)) {
1933 if (this.state.MULTICOREGC) {
1934 output.println("if(gcflag) gc("+localsprefixaddr+");");
1936 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1941 generateCode(fm.getNext(0), fm, null, output);
1943 output.println("}\n\n");
1945 mgcstaticinit = false;
1948 generateHeader(fm, md!=null ? md : task,output);
1949 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1951 if((md != null) && (md.isStaticBlock())) {
1952 mgcstaticinit = true;
1955 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1957 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1959 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1960 output.print(objecttemp.numPointers()+",");
1961 output.print(paramsprefix);
1962 for(int j=0; j<objecttemp.numPointers(); j++)
1963 output.print(", NULL");
1964 output.println("};");
1967 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1968 TempDescriptor td=objecttemp.getPrimitive(i);
1969 TypeDescriptor type=td.getType();
1970 if (type.isNull() && !type.isArray())
1971 output.println(" void * "+td.getSafeSymbol()+";");
1972 else if (type.isClass() && type.getClassDesc().isEnum()) {
1973 output.println(" int " + td.getSafeSymbol() + ";");
1974 } else if (type.isClass()||type.isArray())
1975 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1977 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1980 additionalCodeAtTopFlatMethodBody(output, fm);
1982 /* Check to see if we need to do a GC if this is a
1983 * multi-threaded program...*/
1985 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1986 || this.state.MULTICOREGC) {
1987 //Don't bother if we aren't in recursive methods...The loops case will catch it
1988 if (callgraph.getAllMethods(md).contains(md)) {
1989 if (this.state.MULTICOREGC) {
1990 output.println("if(gcflag) gc("+localsprefixaddr+");");
1992 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1997 if(fm.getMethod().isStaticBlock()) {
1998 // a static block, check if it has been executed
1999 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2000 output.println(" return;");
2001 output.println(" }");
2005 generateCode(fm.getNext(0), fm, null, output);
2007 output.println("}\n\n");
2009 mgcstaticinit = false;
2012 protected void generateCode(FlatNode first,
2014 Set<FlatNode> stopset,
2015 PrintWriter output) {
2017 /* Assign labels to FlatNode's if necessary.*/
2019 Hashtable<FlatNode, Integer> nodetolabel;
2021 nodetolabel=assignLabels(first, stopset);
2023 Set<FlatNode> storeset=null;
2024 HashSet<FlatNode> genset=null;
2025 HashSet<FlatNode> refset=null;
2026 Set<FlatNode> unionset=null;
2028 /* Do the actual code generation */
2029 FlatNode current_node=null;
2030 HashSet tovisit=new HashSet();
2031 HashSet visited=new HashSet();
2033 while(current_node!=null||!tovisit.isEmpty()) {
2034 if (current_node==null) {
2035 current_node=(FlatNode)tovisit.iterator().next();
2036 tovisit.remove(current_node);
2037 } else if (tovisit.contains(current_node)) {
2038 tovisit.remove(current_node);
2040 visited.add(current_node);
2041 if (nodetolabel.containsKey(current_node)) {
2042 output.println("L"+nodetolabel.get(current_node)+":");
2044 if (state.INSTRUCTIONFAILURE) {
2046 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2048 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2050 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2052 generateFlatNode(fm, current_node, output);
2054 if (state.OOOJAVA && stopset!=null) {
2055 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2056 assert current_node instanceof FlatSESEExitNode;
2057 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2058 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2059 assert fsen.getFlatExit().equals(fsxn);
2060 assert fsxn.getFlatEnter().equals(fsen);
2062 if (current_node.kind()!=FKind.FlatReturnNode) {
2063 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2064 // a static block, check if it has been executed
2065 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2068 output.println(" return;");
2071 } else if(current_node.numNext()==1) {
2073 if (state.OOOJAVA &&
2074 current_node.kind()==FKind.FlatSESEEnterNode) {
2075 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2076 generateFlatNode(fm, current_node, output);
2077 nextnode=fsen.getFlatExit().getNext(0);
2080 generateFlatNode(fm, current_node, output);
2081 nextnode=current_node.getNext(0);
2083 if (visited.contains(nextnode)) {
2084 output.println("goto L"+nodetolabel.get(nextnode)+";");
2087 current_node=nextnode;
2088 } else if (current_node.numNext()==2) {
2091 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2092 if (!visited.contains(current_node.getNext(1)))
2093 tovisit.add(current_node.getNext(1));
2094 if (visited.contains(current_node.getNext(0))) {
2095 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2098 current_node=current_node.getNext(0);
2099 } else throw new Error();
2103 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2104 HashSet tovisit=new HashSet();
2105 HashSet visited=new HashSet();
2107 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2110 /*Assign labels first. A node needs a label if the previous
2111 * node has two exits or this node is a join point. */
2113 while(!tovisit.isEmpty()) {
2114 FlatNode fn=(FlatNode)tovisit.iterator().next();
2119 if(lastset!=null&&lastset.contains(fn)) {
2120 // if last is not null and matches, don't go
2121 // any further for assigning labels
2125 for(int i=0; i<fn.numNext(); i++) {
2126 FlatNode nn=fn.getNext(i);
2129 //1) Edge >1 of node
2130 nodetolabel.put(nn,new Integer(labelindex++));
2132 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2136 nodetolabel.put(nn,new Integer(labelindex++));
2143 /** Generate text string that corresponds to the TempDescriptor td. */
2144 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2145 MethodDescriptor md=fm.getMethod();
2146 TaskDescriptor task=fm.getTask();
2147 TempObject objecttemps=(TempObject) tempstable.get(md!=null ? md : task);
2149 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2150 return td.getSafeSymbol();
2153 if (objecttemps.isLocalPtr(td)) {
2154 return localsprefixderef+td.getSafeSymbol();
2157 if (objecttemps.isParamPtr(td)) {
2158 return paramsprefix+"->"+td.getSafeSymbol();
2166 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2167 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2168 additionalCodePreNode(fm, fn, output);
2171 case FKind.FlatAtomicEnterNode:
2172 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2175 case FKind.FlatAtomicExitNode:
2176 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2179 case FKind.FlatInstanceOfNode:
2180 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2183 case FKind.FlatSESEEnterNode:
2184 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2187 case FKind.FlatSESEExitNode:
2188 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2191 case FKind.FlatWriteDynamicVarNode:
2192 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2195 case FKind.FlatGlobalConvNode:
2196 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2199 case FKind.FlatTagDeclaration:
2200 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2203 case FKind.FlatCall:
2204 generateFlatCall(fm, (FlatCall) fn,output);
2207 case FKind.FlatFieldNode:
2208 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2211 case FKind.FlatElementNode:
2212 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2215 case FKind.FlatSetElementNode:
2216 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2219 case FKind.FlatSetFieldNode:
2220 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2224 generateFlatNew(fm, (FlatNew) fn,output);
2227 case FKind.FlatOpNode:
2228 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2231 case FKind.FlatCastNode:
2232 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2235 case FKind.FlatLiteralNode:
2236 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2239 case FKind.FlatReturnNode:
2240 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2244 output.println("/* nop */");
2247 case FKind.FlatGenReachNode:
2248 // this node is just for generating a reach graph
2249 // in disjointness analysis at a particular program point
2252 case FKind.FlatExit:
2253 output.println("/* exit */");
2256 case FKind.FlatBackEdge:
2257 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2260 case FKind.FlatCheckNode:
2261 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2264 case FKind.FlatFlagActionNode:
2265 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2268 case FKind.FlatPrefetchNode:
2269 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2272 case FKind.FlatOffsetNode:
2273 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2280 additionalCodePostNode(fm, fn, output);
2283 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2284 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2285 || (this.state.MULTICOREGC)) {
2286 if(this.state.MULTICOREGC) {
2287 output.println("if (gcflag) gc("+localsprefixaddr+");");
2289 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2292 output.println("/* nop */");
2295 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2296 output.println("/* FlatOffsetNode */");
2297 FieldDescriptor fd=fofn.getField();
2298 if(!fd.isStatic()) {
2299 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2300 fd.getSafeSymbol()+");");
2302 output.println("/* offset */");
2305 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2308 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2311 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2314 if (fion.getType().isArray()) {
2315 type=state.getArrayNumber(fion.getType())+state.numClasses();
2316 } else if (fion.getType().getClassDesc().isInterface()) {
2317 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2319 type=fion.getType().getClassDesc().getId();
2321 if (fion.getSrc().getType().isArray()) {
2322 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2323 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2324 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2326 otype=fion.getSrc().getType().getClassDesc().getId();
2329 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2330 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2332 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2336 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2339 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2342 public void generateFlatSESEEnterNode(FlatMethod fm,
2343 FlatSESEEnterNode fsen,
2344 PrintWriter output) {
2345 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2346 // just skip over them and code generates exactly the same
2349 public void generateFlatSESEExitNode(FlatMethod fm,
2350 FlatSESEExitNode fsexn,
2351 PrintWriter output) {
2352 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2353 // just skip over them and code generates exactly the same
2356 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2357 FlatWriteDynamicVarNode fwdvn,
2358 PrintWriter output) {
2362 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2363 if (state.CONSCHECK) {
2364 String specname=fcn.getSpec();
2365 String varname="repairstate___";
2366 output.println("{");
2367 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2369 TempDescriptor[] temps=fcn.getTemps();
2370 String[] vars=fcn.getVars();
2371 for(int i=0; i<temps.length; i++) {
2372 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2375 output.println("if (doanalysis"+specname+"("+varname+")) {");
2376 output.println("free"+specname+"_state("+varname+");");
2377 output.println("} else {");
2378 output.println("/* Bad invariant */");
2379 output.println("free"+specname+"_state("+varname+");");
2380 output.println("abort_task();");
2381 output.println("}");
2382 output.println("}");
2386 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2387 MethodDescriptor md=fc.getMethod();
2388 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2389 ClassDescriptor cn=md.getClassDesc();
2390 String mdstring = md.getSafeMethodDescriptor();
2391 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2392 mdstring += "staticinit";
2395 // if the called method is a static block or a static method or a constructor
2396 // need to check if it can be invoked inside some static block
2397 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2398 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2399 if(!md.isInvokedByStatic()) {
2400 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2402 // is a static block or is invoked in some static block
2403 ClassDescriptor cd = fm.getMethod().getClassDesc();
2404 if(cd != cn && mgcstaticinit) {
2405 // generate static init check code if it has not done static init in main()
2406 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2407 // need to check if the class' static fields have been initialized and/or
2408 // its static blocks have been executed
2409 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2410 if(cn.getNumStaticBlocks() != 0) {
2411 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2412 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2413 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2414 output.println("0, NULL};");
2415 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2417 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2420 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2422 output.println("}");
2426 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2427 output.println("{");
2428 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2429 output.println("int monitorenterline = __LINE__;");
2431 // call MonitorEnter/MonitorExit on a class obj
2432 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2433 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2434 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2435 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2436 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2438 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2441 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2442 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2443 + fc.getThis().getType().getClassDesc().getId() + "]));");
2445 output.println("}");
2449 output.println("{");
2450 if(md.getSymbol().equals("MonitorEnter")) {
2451 output.println("int monitorenterline = __LINE__;");
2453 if (GENERATEPRECISEGC || state.MULTICOREGC) {
2454 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2455 output.print(objectparams.numPointers());
2456 output.print(", "+localsprefixaddr);
2457 if (md.getThis()!=null) {
2459 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2461 if (fc.getThis()!=null&&md.getThis()==null) {
2462 System.out.println("WARNING!!!!!!!!!!!!");
2463 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2466 for(int i=0; i<fc.numArgs(); i++) {
2467 Descriptor var=md.getParameter(i);
2468 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2469 if (objectparams.isParamPtr(paramtemp)) {
2470 TempDescriptor targ=fc.getArg(i);
2472 TypeDescriptor td=md.getParamType(i);
2474 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2476 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2479 output.println("};");
2484 if (fc.getReturnTemp()!=null)
2485 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2487 /* Do we need to do virtual dispatch? */
2489 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2491 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2495 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2496 output.print("int ");
2497 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2498 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2500 output.print(md.getReturnType().getSafeSymbol()+" ");
2501 output.print("(*)(");
2503 boolean printcomma=false;
2504 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2505 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2509 for(int i=0; i<objectparams.numPrimitives(); i++) {
2510 TempDescriptor temp=objectparams.getPrimitive(i);
2514 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2515 output.print("int ");
2516 } else if (temp.getType().isClass()||temp.getType().isArray())
2517 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2519 output.print(temp.getType().getSafeSymbol());
2522 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2523 output.print(", int");
2525 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2529 boolean needcomma=false;
2530 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2531 output.print("&__parameterlist__");
2535 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2536 if (fc.getThis()!=null) {
2537 TypeDescriptor ptd=null;
2538 if(md.getThis() != null) {
2539 ptd = md.getThis().getType();
2541 ptd = fc.getThis().getType();
2545 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2547 } else if (ptd.isClass()&&!ptd.isArray())
2548 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2549 output.print(generateTemp(fm,fc.getThis()));
2554 for(int i=0; i<fc.numArgs(); i++) {
2555 Descriptor var=md.getParameter(i);
2556 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2557 if (objectparams.isParamPrim(paramtemp)) {
2558 TempDescriptor targ=fc.getArg(i);
2562 TypeDescriptor ptd=md.getParamType(i);
2563 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2565 } else if (ptd.isClass()&&!ptd.isArray())
2566 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2567 output.print(generateTemp(fm, targ));
2571 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2572 output.println(", monitorenterline);");
2574 output.println(");");
2576 output.println(" }");
2579 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2580 if(thiscd.isInterface()) {
2581 // for interfaces, always need virtual dispatch
2584 Set subclasses=typeutil.getSubClasses(thiscd);
2585 if (subclasses==null)
2587 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2588 ClassDescriptor cd=(ClassDescriptor)classit.next();
2589 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2590 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2591 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2592 if (md.matches(matchmd))
2600 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2602 if(ffn.getField().isStatic()) {
2604 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2605 // is a static block or is invoked in some static block
2606 ClassDescriptor cd = fm.getMethod().getClassDesc();
2607 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2609 // the same class, do nothing
2610 } else if(mgcstaticinit) {
2611 // generate the static init check code if has not done the static init in main()
2612 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2613 // need to check if the class' static fields have been initialized and/or
2614 // its static blocks have been executed
2615 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2616 if(cn.getNumStaticBlocks() != 0) {
2617 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2618 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2619 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2620 output.println("0, NULL};");
2621 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2623 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2626 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2628 output.println("}");
2632 // redirect to the global_defs_p structure
2633 if (ffn.getField().getType().isPtr())
2634 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2636 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2637 } else if (ffn.getField().isEnum()) {
2638 // an Enum value, directly replace the field access as int
2639 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2641 output.println("#ifdef MULTICORE_DEBUG");
2642 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2643 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2644 if(state.MULTICOREGC) {
2645 output.println("failednullptr(&___locals___);");
2647 output.println("failednullptr(NULL);");
2649 output.println("}");
2650 output.println("#endif //MULTICORE_DEBUG");
2651 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2656 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2657 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2658 throw new Error("Can't set array length");
2659 if (state.FASTCHECK) {
2660 String dst=generateTemp(fm, fsfn.getDst());
2661 output.println("if(!"+dst+"->"+localcopystr+") {");
2662 /* Link object into list */
2663 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2664 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2666 output.println("COPY_OBJ("+dst+");");
2667 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2668 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2669 output.println("}");
2672 if(fsfn.getField().isStatic()) {
2674 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2675 // is a static block or is invoked in some static block
2676 ClassDescriptor cd = fm.getMethod().getClassDesc();
2677 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2678 if(cd != cn && mgcstaticinit){
2679 // generate static init check code if has not done the static init in main()
2680 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2681 // need to check if the class' static fields have been initialized and/or
2682 // its static blocks have been executed
2683 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2684 if(cn.getNumStaticBlocks() != 0) {
2685 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2686 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2687 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2688 output.println("0, NULL};");
2689 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2691 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2694 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2696 output.println("}");
2700 // redirect to the global_defs_p structure
2701 if (fsfn.getField().getType().isPtr()) {
2702 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2703 output.println("global_defs_p->" +
2704 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2706 output.println("global_defs_p->" +
2707 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2709 output.println("global_defsprim_p->" +
2710 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2712 output.println("#ifdef MULTICORE_DEBUG");
2713 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2714 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2715 if(state.MULTICOREGC) {
2716 output.println("failednullptr(&___locals___);");
2718 output.println("failednullptr(NULL);");
2720 output.println("}");
2721 output.println("#endif //MULTICORE_DEBUG");
2722 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2723 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2724 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2726 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2727 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2732 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2733 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2736 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2738 } else if (elementtype.isArray()||elementtype.isClass())
2741 type=elementtype.getSafeSymbol()+" ";
2743 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2744 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2745 output.println("failedboundschk(" + (boundschknum++) + ");");
2747 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2750 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2751 //TODO: need dynamic check to make sure this assignment is actually legal
2752 //Because Object[] could actually be something more specific...ie. Integer[]
2754 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2757 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2759 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2762 type=elementtype.getSafeSymbol()+" ";
2764 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2765 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2766 output.println("failedboundschk(" + (boundschknum++) + ");");
2768 if (state.FASTCHECK) {
2769 String dst=generateTemp(fm, fsen.getDst());
2770 output.println("if(!"+dst+"->"+localcopystr+") {");
2771 /* Link object into list */
2772 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2773 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2775 output.println("COPY_OBJ("+dst+");");
2776 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2777 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2778 output.println("}");
2780 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2784 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2785 if (fn.getType().isArray()) {
2786 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2787 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2788 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2790 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2793 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2794 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2796 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2799 if (state.FASTCHECK) {
2800 String dst=generateTemp(fm,fn.getDst());
2801 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2802 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2803 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2807 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2808 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2809 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2811 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2815 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2816 if (fon.getRight()!=null) {
2817 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2818 if (fon.getLeft().getType().isLong())
2819 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2821 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2824 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2825 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2827 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2829 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2830 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2831 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2833 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2834 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2835 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2836 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2837 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2838 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2839 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2840 else if (fon.getOp().getOp()==Operation.COMP)
2841 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2842 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2843 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2845 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2848 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2849 /* TODO: Do type check here */
2850 if (fcn.getType().isArray()) {
2851 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2852 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2853 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2854 } else if (fcn.getType().isClass())
2855 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2857 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2862 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2863 if (fln.getValue()==null)
2864 output.println(generateTemp(fm, fln.getDst())+"=0;");
2865 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2866 String str=(String)fln.getValue();
2867 output.println("{");
2868 output.print("short str"+flncount+"[]={");
2869 for(int i=0;i<str.length();i++) {
2872 output.print(((int)str.charAt(i)));
2874 output.println("};");
2875 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2876 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
2878 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
2880 output.println("}");
2882 } else if (fln.getType().isBoolean()) {
2883 if (((Boolean)fln.getValue()).booleanValue())
2884 output.println(generateTemp(fm, fln.getDst())+"=1;");
2886 output.println(generateTemp(fm, fln.getDst())+"=0;");
2887 } else if (fln.getType().isChar()) {
2888 int val=(int)(((Character)fln.getValue()).charValue());
2889 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
2890 } else if (fln.getType().isLong()) {
2891 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2893 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2896 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2897 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2898 // a static block, check if it has been executed
2899 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2903 if (frn.getReturnTemp()!=null) {
2904 if (frn.getReturnTemp().getType().isPtr())
2905 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2907 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2909 output.println("return;");
2913 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2914 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2917 /** This method generates header information for the method or
2918 * task referenced by the Descriptor des. */
2919 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2920 generateHeader(fm, des, output, false);
2923 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2925 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2926 MethodDescriptor md=null;
2927 TaskDescriptor task=null;
2928 if (des instanceof MethodDescriptor)
2929 md=(MethodDescriptor) des;
2931 task=(TaskDescriptor) des;
2932 String mdstring = md != null ? md.getSafeMethodDescriptor() : null;
2934 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2936 if (md!=null&&md.getReturnType()!=null) {
2937 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2938 output.print("int ");
2939 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2940 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2942 output.print(md.getReturnType().getSafeSymbol()+" ");
2944 //catch the constructor case
2945 output.print("void ");
2947 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2948 mdstring += "staticinit";
2950 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2952 output.print(task.getSafeSymbol()+"(");
2954 boolean printcomma=false;
2955 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2957 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2959 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2965 for(int i=0; i<objectparams.numPrimitives(); i++) {
2966 TempDescriptor temp=objectparams.getPrimitive(i);
2970 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2971 output.print("int " + temp.getSafeSymbol());
2972 } else if (temp.getType().isClass()||temp.getType().isArray())
2973 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2975 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2977 output.println(") {");
2978 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2979 /* Imprecise Task */
2980 output.println("void * parameterarray[]) {");
2981 /* Unpack variables */
2982 for(int i=0; i<objectparams.numPrimitives(); i++) {
2983 TempDescriptor temp=objectparams.getPrimitive(i);
2984 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2985 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2987 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2990 for(int i=0; i<fm.numTags(); i++) {
2991 TempDescriptor temp=fm.getTag(i);
2992 int offset=i+objectparams.numPrimitives();
2993 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2996 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2997 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2998 } else output.println(") {");
3001 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3002 output.println("/* FlatFlagActionNode */");
3005 /* Process tag changes */
3006 Relation tagsettable=new Relation();
3007 Relation tagcleartable=new Relation();
3009 Iterator tagsit=ffan.getTempTagPairs();
3010 while (tagsit.hasNext()) {
3011 TempTagPair ttp=(TempTagPair) tagsit.next();
3012 TempDescriptor objtmp=ttp.getTemp();
3013 TagDescriptor tag=ttp.getTag();
3014 TempDescriptor tagtmp=ttp.getTagTemp();
3015 boolean tagstatus=ffan.getTagChange(ttp);
3017 tagsettable.put(objtmp, tagtmp);
3019 tagcleartable.put(objtmp, tagtmp);
3024 Hashtable flagandtable=new Hashtable();
3025 Hashtable flagortable=new Hashtable();
3027 /* Process flag changes */
3028 Iterator flagsit=ffan.getTempFlagPairs();
3029 while(flagsit.hasNext()) {
3030 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3031 TempDescriptor temp=tfp.getTemp();
3032 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3033 FlagDescriptor flag=tfp.getFlag();
3035 //Newly allocate objects that don't set any flags case
3036 if (flagortable.containsKey(temp)) {
3040 flagortable.put(temp,new Integer(mask));
3042 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3043 boolean flagstatus=ffan.getFlagChange(tfp);
3046 if (flagortable.containsKey(temp)) {
3047 mask=((Integer)flagortable.get(temp)).intValue();
3050 flagortable.put(temp,new Integer(mask));
3052 int mask=0xFFFFFFFF;
3053 if (flagandtable.containsKey(temp)) {
3054 mask=((Integer)flagandtable.get(temp)).intValue();
3056 mask&=(0xFFFFFFFF^flagid);
3057 flagandtable.put(temp,new Integer(mask));
3063 HashSet flagtagset=new HashSet();
3064 flagtagset.addAll(flagortable.keySet());
3065 flagtagset.addAll(flagandtable.keySet());
3066 flagtagset.addAll(tagsettable.keySet());
3067 flagtagset.addAll(tagcleartable.keySet());
3069 Iterator ftit=flagtagset.iterator();
3070 while(ftit.hasNext()) {
3071 TempDescriptor temp=(TempDescriptor)ftit.next();
3074 Set tagtmps=tagcleartable.get(temp);
3075 if (tagtmps!=null) {
3076 Iterator tagit=tagtmps.iterator();
3077 while(tagit.hasNext()) {
3078 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3079 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3080 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3082 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3086 tagtmps=tagsettable.get(temp);
3087 if (tagtmps!=null) {
3088 Iterator tagit=tagtmps.iterator();
3089 while(tagit.hasNext()) {
3090 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3091 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3092 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3094 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3099 int andmask=0xFFFFFFF;
3101 if (flagortable.containsKey(temp))
3102 ormask=((Integer)flagortable.get(temp)).intValue();
3103 if (flagandtable.containsKey(temp))
3104 andmask=((Integer)flagandtable.get(temp)).intValue();
3105 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3106 generateObjectDistribute(ffan, fm, temp, output);
3110 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3111 PrintWriter output, int ormask, int andmask) {
3112 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3113 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3115 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3119 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3120 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3123 void generateOptionalHeader(PrintWriter headers) {
3126 headers.println("#include \"task.h\"\n\n");
3127 headers.println("#ifndef _OPTIONAL_STRUCT_");
3128 headers.println("#define _OPTIONAL_STRUCT_");
3130 //STRUCT PREDICATEMEMBER
3131 headers.println("struct predicatemember{");
3132 headers.println("int type;");
3133 headers.println("int numdnfterms;");
3134 headers.println("int * flags;");
3135 headers.println("int numtags;");
3136 headers.println("int * tags;\n};\n\n");
3138 //STRUCT OPTIONALTASKDESCRIPTOR
3139 headers.println("struct optionaltaskdescriptor{");
3140 headers.println("struct taskdescriptor * task;");
3141 headers.println("int index;");
3142 headers.println("int numenterflags;");
3143 headers.println("int * enterflags;");
3144 headers.println("int numpredicatemembers;");
3145 headers.println("struct predicatemember ** predicatememberarray;");
3146 headers.println("};\n\n");
3148 //STRUCT TASKFAILURE
3149 headers.println("struct taskfailure {");
3150 headers.println("struct taskdescriptor * task;");
3151 headers.println("int index;");
3152 headers.println("int numoptionaltaskdescriptors;");
3153 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3155 //STRUCT FSANALYSISWRAPPER
3156 headers.println("struct fsanalysiswrapper{");
3157 headers.println("int flags;");
3158 headers.println("int numtags;");
3159 headers.println("int * tags;");
3160 headers.println("int numtaskfailures;");
3161 headers.println("struct taskfailure ** taskfailurearray;");
3162 headers.println("int numoptionaltaskdescriptors;");
3163 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3165 //STRUCT CLASSANALYSISWRAPPER
3166 headers.println("struct classanalysiswrapper{");
3167 headers.println("int type;");
3168 headers.println("int numotd;");
3169 headers.println("struct optionaltaskdescriptor ** otdarray;");
3170 headers.println("int numfsanalysiswrappers;");
3171 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3173 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3175 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3176 while(taskit.hasNext()) {
3177 TaskDescriptor td=(TaskDescriptor)taskit.next();
3178 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3183 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3184 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3185 int predicateindex = 0;
3186 //iterate through the classes concerned by the predicate
3187 Set c_vard = predicate.vardescriptors;
3188 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3191 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3192 VarDescriptor vard = (VarDescriptor)vard_it.next();
3193 TypeDescriptor typed = vard.getType();
3195 //generate for flags
3196 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3197 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3199 if (fen_hashset!=null) {
3200 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3201 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3203 DNFFlag dflag=fen.getDNF();
3204 numberterms+=dflag.size();
3206 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3208 for(int j=0; j<dflag.size(); j++) {
3210 output.println(",");
3211 Vector term=dflag.get(j);
3214 for(int k=0; k<term.size(); k++) {
3215 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3216 FlagDescriptor fd=dfa.getFlag();
3217 boolean negated=dfa.getNegated();
3218 int flagid=1<<((Integer)flags.get(fd)).intValue();
3223 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3228 output.println("};\n");
3231 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3232 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3235 for(int j=0; j<tagel.numTags(); j++) {
3237 output.println(",");
3238 TempDescriptor tmp=tagel.getTemp(j);
3239 if (!slotnumber.containsKey(tmp)) {
3240 Integer slotint=new Integer(current_slot++);
3241 slotnumber.put(tmp,slotint);
3243 int slot=slotnumber.get(tmp).intValue();
3244 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3246 numtags = tagel.numTags();
3248 output.println("};");
3250 //store the result into a predicatemember struct
3251 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3252 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3253 output.println("/* number of dnf terms */"+numberterms+",");
3254 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3255 output.println("/* number of tag */"+numtags+",");
3256 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3257 output.println("};\n");
3262 //generate an array that stores the entire predicate
3263 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3264 for( int j = 0; j<predicateindex; j++) {
3265 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3266 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3268 output.println("};\n");
3269 return predicateindex;
3273 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3274 generateOptionalHeader(headers);
3276 output.println("#include \"optionalstruct.h\"\n\n");
3277 output.println("#include \"stdlib.h\"\n");
3279 HashSet processedcd = new HashSet();
3281 Enumeration e = safeexecution.keys();
3282 while (e.hasMoreElements()) {
3285 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3286 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3288 //Generate the struct of optionals
3289 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3290 numotd = c_otd.size();
3291 if(maxotd<numotd) maxotd = numotd;
3292 if( !c_otd.isEmpty() ) {
3293 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3294 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3296 //generate the int arrays for the predicate
3297 Predicate predicate = otd.predicate;
3298 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3299 TreeSet<Integer> fsset=new TreeSet<Integer>();
3300 //iterate through possible FSes corresponding to
3301 //the state when entering
3303 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3304 FlagState fs = (FlagState)fses.next();
3306 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3307 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3308 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3311 fsset.add(new Integer(flagid));
3312 //tag information not needed because tag
3313 //changes are not tolerated.
3316 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3317 boolean needcomma=false;
3318 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3321 output.println(it.next());
3324 output.println("};\n");
3327 //generate optionaltaskdescriptor that actually
3328 //includes exit fses, predicate and the task
3330 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3331 output.println("&task_"+otd.td.getSafeSymbol()+",");
3332 output.println("/*index*/"+otd.getIndex()+",");
3333 output.println("/*number of enter flags*/"+fsset.size()+",");
3334 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3335 output.println("/*number of members */"+predicateindex+",");
3336 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3337 output.println("};\n");
3341 // if there are no optionals, there is no need to build the rest of the struct
3343 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3344 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3345 if( !c_otd.isEmpty() ) {
3346 boolean needcomma=false;
3347 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3348 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3350 output.println(",");
3352 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3355 output.println("};\n");
3357 //get all the possible flagstates reachable by an object
3358 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3360 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3361 fsts.addAll(hashtbtemp.keySet());
3362 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3363 FlagState fs = (FlagState)fsit.next();
3366 //get the set of OptionalTaskDescriptors corresponding
3367 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3368 //iterate through the OptionalTaskDescriptors and
3369 //store the pointers to the optionals struct (see on
3370 //top) into an array
3372 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3373 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3374 OptionalTaskDescriptor mm = mos.next();
3376 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3378 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3381 output.println("};\n");
3383 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3386 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3387 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3388 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3392 //process tag information
3395 boolean first = true;
3396 Enumeration tag_enum = fs.getTags();
3397 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3398 while(tag_enum.hasMoreElements()) {
3400 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3404 output.println(", ");
3405 output.println("/*tagid*/"+state.getTagId(tagd));
3407 output.println("};");
3409 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3410 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3411 TaskIndex ti=itti.next();
3415 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3417 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3418 boolean needcomma=false;
3419 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3420 OptionalTaskDescriptor otd=otdit.next();
3424 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3426 output.println("};");
3428 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3429 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3430 output.print(ti.getIndex()+", ");
3431 output.print(otdset.size()+", ");
3432 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3433 output.println("};");
3436 tiset=sa.getTaskIndex(fs);
3437 boolean needcomma=false;
3439 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3440 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3441 TaskIndex ti=itti.next();
3442 if (ti.isRuntime()) {
3449 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3451 output.println("};\n");
3453 //Store the result in fsanalysiswrapper
3455 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3456 output.println("/*flag*/"+flagid+",");
3457 output.println("/* number of tags*/"+tagcounter+",");
3458 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3459 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3460 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3461 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3462 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3463 output.println("};\n");
3467 //Build the array of fsanalysiswrappers
3468 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3469 boolean needcomma=false;
3470 for(int i = 0; i<fscounter; i++) {
3471 if (needcomma) output.print(",");
3472 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3475 output.println("};");
3477 //Build the classanalysiswrapper referring to the previous array
3478 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3479 output.println("/*type*/"+cdtemp.getId()+",");
3480 output.println("/*numotd*/"+numotd+",");
3481 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3482 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3483 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3484 processedcd.add(cdtemp);
3487 //build an array containing every classes for which code has been build
3488 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3489 for(int i=0; i<state.numClasses(); i++) {
3490 ClassDescriptor cn=cdarray[i];
3493 if ((cn != null) && (processedcd.contains(cn)))
3494 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3496 output.print("NULL");
3498 output.println("};");
3500 output.println("#define MAXOTD "+maxotd);
3501 headers.println("#endif");
3504 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3505 Relation r=new Relation();
3506 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3507 OptionalTaskDescriptor otd=otdit.next();
3508 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3512 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3513 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3514 Set s=r.get(it.next());
3515 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3516 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3524 // override these methods in a subclass of BuildCode
3525 // to generate code for additional systems
3526 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3528 protected void outputTransCode(PrintWriter output) {
3530 protected void buildCodeSetup() {
3532 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3534 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3536 protected void preCodeGenInitialization() {
3538 protected void postCodeGenCleanUp() {
3540 protected void additionalCodeGen(PrintWriter outmethodheader,
3541 PrintWriter outstructs,
3542 PrintWriter outmethod) {
3544 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3546 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3548 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3550 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3552 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3554 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3556 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3558 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3560 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3563 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3564 // we do not print out line number if no one explicitly set the number
3565 if(fn.getNumLine()!=-1){
3567 int lineNum=fn.getNumLine();
3569 // do not generate the line number if it is same as the previous one
3570 boolean needtoprint;
3571 if(fn.prev.size()==0){
3577 for(int i=0;i<fn.prev.size();i++){
3578 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3579 if(prevLineNum!=lineNum){
3585 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());