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);
197 /* Record maximum number of task parameters */
198 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
199 } else if (state.main!=null) {
200 /* Generate main method */
201 outputMainMethod(outmethod);
204 /* Generate information for task with optional parameters */
205 if (state.TASK&&state.OPTIONAL) {
206 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
207 outoptionalarrays.close();
208 optionalheaders.close();
211 /* Output structure definitions for repair tool */
212 if (state.structfile!=null) {
213 buildRepairStructs(outrepairstructs);
214 outrepairstructs.close();
218 outmethodheader.println("#endif");
219 outmethodheader.close();
221 outstructs.println("#endif");
224 postCodeGenCleanUp();
225 State.logEvent("End of buildCode");
228 protected void initOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
229 // Output the C class declarations
230 // These could mutually reference each other
231 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
232 outglobaldefs.println("#define __GLOBALDEF_H_");
233 outglobaldefs.println("");
234 outglobaldefs.println("struct global_defs_t {");
235 outglobaldefs.println(" int size;");
236 outglobaldefs.println(" void * next;");
237 outglobaldefs.println(" struct ArrayObject * classobjs;");
238 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
239 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
240 outglobaldefsprim.println("");
241 outglobaldefsprim.println("struct global_defsprim_t {");
244 protected void finalOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
245 outglobaldefs.println("};");
246 outglobaldefs.println("");
247 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
248 outglobaldefs.println("#endif");
249 outglobaldefs.flush();
250 outglobaldefs.close();
252 outglobaldefsprim.println("};");
253 outglobaldefsprim.println("");
254 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
255 outglobaldefsprim.println("#endif");
256 outglobaldefsprim.flush();
257 outglobaldefsprim.close();
260 /* This method goes though the call graph and tag those methods that are
261 * invoked inside static blocks
263 protected void tagMethodInvokedByStaticBlock() {
264 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
265 MethodDescriptor current_md=null;
266 HashSet tovisit=new HashSet();
267 HashSet visited=new HashSet();
269 while(it_sclasses.hasNext()) {
270 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
271 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
277 while(!tovisit.isEmpty()) {
278 current_md=(MethodDescriptor)tovisit.iterator().next();
279 tovisit.remove(current_md);
280 visited.add(current_md);
281 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
282 while(it_callee.hasNext()) {
283 Descriptor d = (Descriptor)it_callee.next();
284 if(d instanceof MethodDescriptor) {
285 if(!visited.contains(d)) {
286 ((MethodDescriptor)d).setIsInvokedByStatic(true);
294 /* This code generates code for each static block and static field
296 protected void outputStaticBlocks(PrintWriter outmethod) {
297 // execute all the static blocks and all the static field initializations
298 // execute all the static blocks and all the static field initializations
299 SymbolTable sctbl = this.state.getSClassSymbolTable();
300 Iterator it_sclasses = sctbl.getDescriptorsIterator();
301 if(it_sclasses.hasNext()) {
302 while(it_sclasses.hasNext()) {
303 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
304 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
306 outmethod.println(" {");
307 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
308 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
309 outmethod.println("0, NULL};");
310 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
312 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
314 outmethod.println(" }");
320 /* This code generates code to create a Class object for each class for
323 protected void outputClassObjects(PrintWriter outmethod) {
324 // create a global classobj array
325 outmethod.println(" {");
326 outmethod.println(" int i = 0;");
327 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
328 outmethod.println(" struct garbagelist dummy={0,NULL};");
329 outmethod.println(" global_defs_p->classobjs = allocate_newarray(&dummy, OBJECTARRAYTYPE, "
330 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
332 outmethod.println(" global_defs_p->classobjs = allocate_newarray(OBJECTARRAYTYPE, "
333 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
335 outmethod.println(" for(i = 0; i < " + (state.numClasses()+state.numArrays()+state.numInterfaces()) + "; i++) {");
336 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
337 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(NULL, " +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
339 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(" +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
341 outmethod.println(" }");
342 outmethod.println(" }");
345 /* This code just generates the main C method for java programs.
346 * The main C method packs up the arguments into a string array
347 * and passes it to the java main method. */
349 protected void outputMainMethod(PrintWriter outmethod) {
350 outmethod.println("int main(int argc, const char *argv[]) {");
351 outmethod.println(" int i;");
353 outmethod.println("initializethreads();");
355 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
356 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
357 if (GENERATEPRECISEGC) {
358 outmethod.println(" global_defs_p->size="+globaldefscount+";");
359 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
360 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
361 outmethod.println(" }");
363 outputStaticBlocks(outmethod);
364 outputClassObjects(outmethod);
367 additionalCodeAtTopOfMain(outmethod);
370 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
371 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
373 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
375 outmethod.println(" for(i=1;i<argc;i++) {");
376 outmethod.println(" int length=strlen(argv[i]);");
378 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
379 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
381 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
383 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
384 outmethod.println(" }");
386 MethodDescriptor md=typeutil.getMain();
387 ClassDescriptor cd=typeutil.getMainClass();
389 outmethod.println(" {");
390 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
391 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
392 outmethod.println("1, NULL,"+"stringarray};");
393 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
395 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
397 outmethod.println(" }");
400 outmethod.println("pthread_mutex_lock(&gclistlock);");
401 outmethod.println("threadcount--;");
402 outmethod.println("pthread_cond_signal(&gccond);");
403 outmethod.println("pthread_mutex_unlock(&gclistlock);");
406 if (state.EVENTMONITOR) {
407 outmethod.println("dumpdata();");
411 outmethod.println("pthread_exit(NULL);");
414 additionalCodeAtBottomOfMain(outmethod);
416 outmethod.println("}");
419 /* This method outputs code for each task. */
421 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
422 /* Compile task based program */
423 outtaskdefs.println("#include \"task.h\"");
424 outtaskdefs.println("#include \"methodheaders.h\"");
425 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
426 while(taskit.hasNext()) {
427 TaskDescriptor td=(TaskDescriptor)taskit.next();
428 FlatMethod fm=state.getMethodFlat(td);
430 generateFlatMethod(fm, outmethod);
431 generateTaskDescriptor(outtaskdefs, fm, td);
434 //Output task descriptors
435 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
436 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
438 while(taskit.hasNext()) {
439 TaskDescriptor td=(TaskDescriptor)taskit.next();
443 outtaskdefs.println(",");
444 outtaskdefs.print("&task_"+td.getSafeSymbol());
446 outtaskdefs.println("};");
448 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
452 /* This method outputs most of the methods.c file. This includes
453 * some standard includes and then an array with the sizes of
454 * objets and array that stores supertype and then the code for
455 * the Java methods.. */
456 protected void outputMethods(PrintWriter outmethod) {
457 outmethod.println("#include \"methodheaders.h\"");
458 outmethod.println("#include \"virtualtable.h\"");
459 outmethod.println("#include \"runtime.h\"");
460 outmethod.println("#include \"jni-private.h\"");
462 // always include: compiler directives will leave out
463 // instrumentation when option is not set
464 if(!state.MULTICORE) {
465 outmethod.println("#include \"coreprof/coreprof.h\"");
468 if (state.FASTCHECK) {
469 outmethod.println("#include \"localobjects.h\"");
471 if(state.MULTICORE) {
473 outmethod.println("#include \"task.h\"");
475 outmethod.println("#include \"multicoreruntime.h\"");
476 outmethod.println("#include \"runtime_arch.h\"");
478 if (state.THREAD||state.DSM||state.SINGLETM) {
479 outmethod.println("#include <thread.h>");
482 outmethod.println("#include \"thread.h\"");
484 if (state.main!=null) {
485 outmethod.println("#include <string.h>");
487 if (state.CONSCHECK) {
488 outmethod.println("#include \"checkers.h\"");
492 additionalIncludesMethodsImplementation(outmethod);
494 outmethod.println("struct global_defs_t * global_defs_p;");
495 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
496 //Store the sizes of classes & array elements
497 generateSizeArray(outmethod);
499 //Store table of supertypes
500 generateSuperTypeTable(outmethod);
502 //Store the layout of classes
503 generateLayoutStructs(outmethod);
506 additionalCodeAtTopMethodsImplementation(outmethod);
508 generateMethods(outmethod);
511 protected void generateMethods(PrintWriter outmethod) {
512 /* Generate code for methods */
513 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
514 while(classit.hasNext()) {
515 ClassDescriptor cn=(ClassDescriptor)classit.next();
516 Iterator methodit=cn.getMethods();
517 while(methodit.hasNext()) {
518 /* Classify parameters */
519 MethodDescriptor md=(MethodDescriptor)methodit.next();
520 if (!callgraph.isCallable(md)) {
524 FlatMethod fm=state.getMethodFlat(md);
525 if (!md.getModifiers().isNative()) {
526 generateFlatMethod(fm, outmethod);
527 } else if (state.JNI) {
528 generateNativeFlatMethod(fm, outmethod);
534 protected void outputStructs(PrintWriter outstructs) {
535 outstructs.println("#ifndef STRUCTDEFS_H");
536 outstructs.println("#define STRUCTDEFS_H");
537 outstructs.println("#include \"classdefs.h\"");
538 outstructs.println("#ifndef INTPTR");
539 outstructs.println("#ifdef BIT64");
540 outstructs.println("#define INTPTR long");
541 outstructs.println("#else");
542 outstructs.println("#define INTPTR int");
543 outstructs.println("#endif");
544 outstructs.println("#endif");
547 additionalIncludesStructsHeader(outstructs);
550 /* Output #defines that the runtime uses to determine type
551 * numbers for various objects it needs */
552 outstructs.println("#define MAXCOUNT "+maxcount);
554 outstructs.println("#define STRINGARRAYTYPE "+
555 (state.getArrayNumber(
556 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
558 outstructs.println("#define OBJECTARRAYTYPE "+
559 (state.getArrayNumber(
560 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
563 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
564 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
565 outstructs.println("#define CHARARRAYTYPE "+
566 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
568 outstructs.println("#define BYTEARRAYTYPE "+
569 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
571 outstructs.println("#define BYTEARRAYARRAYTYPE "+
572 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
574 outstructs.println("#define NUMCLASSES "+state.numClasses());
575 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
576 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
578 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
579 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
580 outstructs.println("#define TAGARRAYTYPE "+
581 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
585 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
586 if (state.THREAD||state.DSM||state.SINGLETM)
587 outclassdefs.println("#include <pthread.h>");
588 outclassdefs.println("#ifndef INTPTR");
589 outclassdefs.println("#ifdef BIT64");
590 outclassdefs.println("#define INTPTR long");
591 outclassdefs.println("#else");
592 outclassdefs.println("#define INTPTR int");
593 outclassdefs.println("#endif");
594 outclassdefs.println("#endif");
596 outclassdefs.println("#include \"optionalstruct.h\"");
597 outclassdefs.println("struct "+arraytype+";");
598 /* Start by declaring all structs */
599 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
600 while(it.hasNext()) {
601 ClassDescriptor cn=(ClassDescriptor)it.next();
602 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
604 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
605 // this class has static fields/blocks, need to add a global flag to
606 // indicate if its static fields have been initialized and/or if its
607 // static blocks have been executed
608 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
611 outclassdefs.println("");
612 //Print out definition for array type
613 outclassdefs.println("struct "+arraytype+" {");
614 outclassdefs.println(" int type;");
615 outclassdefs.println(" int hashcode;");
617 additionalClassObjectFields(outclassdefs);
620 if (state.EVENTMONITOR) {
621 outclassdefs.println(" int objuid;");
624 outclassdefs.println(" volatile int tid;");
625 outclassdefs.println(" volatile int notifycount;");
628 outclassdefs.println(" int mutex;");
629 outclassdefs.println(" volatile int notifycount;");
630 outclassdefs.println(" volatile int objlock;");
631 if(state.MULTICOREGC) {
632 outclassdefs.println(" int marked;");
636 outclassdefs.println(" int flag;");
637 outclassdefs.println(" int ___cachedCode___;");
638 if(!state.MULTICORE) {
639 outclassdefs.println(" void * flagptr;");
641 outclassdefs.println(" int version;");
642 outclassdefs.println(" int * lock;"); // lock entry for this obj
643 outclassdefs.println(" int mutex;");
644 outclassdefs.println(" volatile int lockcount;");
645 outclassdefs.println(" volatile int notifycount;");
646 if(state.MULTICOREGC) {
647 outclassdefs.println(" int marked;");
651 outclassdefs.println(" int numfses;");
652 outclassdefs.println(" int * fses;");
656 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
657 printedfieldstbl.clear();
658 printExtraArrayFields(outclassdefs);
659 if (state.ARRAYPAD) {
660 outclassdefs.println(" int paddingforarray;");
663 outclassdefs.println(" int ___length___;");
664 outclassdefs.println("};\n");
666 outclassdefs.println("");
667 outclassdefs.println("extern int classsize[];");
668 outclassdefs.println("extern int hasflags[];");
669 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
670 outclassdefs.println("extern int* supertypes[];");
671 outclassdefs.println("");
674 /** Prints out definitions for generic task structures */
676 protected void outputTaskTypes(PrintWriter outtask) {
677 outtask.println("#ifndef _TASK_H");
678 outtask.println("#define _TASK_H");
679 outtask.println("struct parameterdescriptor {");
680 outtask.println("int type;");
681 outtask.println("int numberterms;");
682 outtask.println("int *intarray;");
683 outtask.println("void * queue;");
684 outtask.println("int numbertags;");
685 outtask.println("int *tagarray;");
686 outtask.println("};");
688 outtask.println("struct taskdescriptor {");
689 outtask.println("void * taskptr;");
690 outtask.println("int numParameters;");
691 outtask.println(" int numTotal;");
692 outtask.println("struct parameterdescriptor **descriptorarray;");
693 outtask.println("char * name;");
694 outtask.println("};");
695 outtask.println("extern struct taskdescriptor * taskarray[];");
696 outtask.println("extern numtasks;");
697 outtask.println("#endif");
701 protected void buildRepairStructs(PrintWriter outrepairstructs) {
702 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
703 while(classit.hasNext()) {
704 ClassDescriptor cn=(ClassDescriptor)classit.next();
705 outrepairstructs.println("structure "+cn.getSymbol()+" {");
706 outrepairstructs.println(" int __type__;");
708 outrepairstructs.println(" int __flag__;");
709 if(!state.MULTICORE) {
710 outrepairstructs.println(" int __flagptr__;");
713 printRepairStruct(cn, outrepairstructs);
714 outrepairstructs.println("}\n");
717 for(int i=0; i<state.numArrays(); i++) {
718 TypeDescriptor tdarray=arraytable[i];
719 TypeDescriptor tdelement=tdarray.dereference();
720 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
721 outrepairstructs.println(" int __type__;");
722 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
723 outrepairstructs.println(" int length;");
724 outrepairstructs.println("}\n");
728 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
729 ClassDescriptor sp=cn.getSuperDesc();
731 printRepairStruct(sp, output);
733 Vector fields=(Vector)fieldorder.get(cn);
735 for(int i=0; i<fields.size(); i++) {
736 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
737 if (fd.getType().isArray()) {
738 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
739 } else if (fd.getType().isClass())
740 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
741 else if (fd.getType().isFloat())
742 output.println(" int "+fd.getSymbol()+"; /* really float */");
744 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
748 /** This method outputs TaskDescriptor information */
749 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
750 for (int i=0; i<task.numParameters(); i++) {
751 VarDescriptor param_var=task.getParameter(i);
752 TypeDescriptor param_type=task.getParamType(i);
753 FlagExpressionNode param_flag=task.getFlag(param_var);
754 TagExpressionList param_tag=task.getTag(param_var);
757 if (param_flag==null) {
758 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
759 output.println("0x0, 0x0 };");
762 DNFFlag dflag=param_flag.getDNF();
763 dnfterms=dflag.size();
765 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
766 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
767 for(int j=0; j<dflag.size(); j++) {
770 Vector term=dflag.get(j);
773 for(int k=0; k<term.size(); k++) {
774 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
775 FlagDescriptor fd=dfa.getFlag();
776 boolean negated=dfa.getNegated();
777 int flagid=1<<((Integer)flags.get(fd)).intValue();
782 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
784 output.println("};");
787 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
789 for(int j=0; j<param_tag.numTags(); j++) {
792 /* for each tag we need */
793 /* which slot it is */
794 /* what type it is */
795 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
796 TempDescriptor tmp=param_tag.getTemp(j);
797 int slot=fm.getTagInt(tmp);
798 output.println(slot+", "+state.getTagId(tvd.getTag()));
800 output.println("};");
802 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
803 output.println("/* type */"+param_type.getClassDesc().getId()+",");
804 output.println("/* number of DNF terms */"+dnfterms+",");
805 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
806 output.println("0,");
808 output.println("/* number of tags */"+param_tag.numTags()+",");
810 output.println("/* number of tags */ 0,");
811 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
812 output.println("};");
816 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
817 for (int i=0; i<task.numParameters(); i++) {
820 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
822 output.println("};");
824 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
825 output.println("&"+task.getSafeSymbol()+",");
826 output.println("/* number of parameters */" +task.numParameters() + ",");
827 int numtotal=task.numParameters()+fm.numTags();
828 output.println("/* number total parameters */" +numtotal + ",");
829 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
830 output.println("\""+task.getSymbol()+"\"");
831 output.println("};");
835 /** The buildVirtualTables method outputs the virtual dispatch
836 * tables for methods. */
838 protected void buildVirtualTables(PrintWriter outvirtual) {
839 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
840 while(classit.hasNext()) {
841 ClassDescriptor cd=(ClassDescriptor)classit.next();
842 if (virtualcalls.getMethodCount(cd)>maxcount)
843 maxcount=virtualcalls.getMethodCount(cd);
845 MethodDescriptor[][] virtualtable=null;
846 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
848 /* Fill in virtual table */
849 classit=state.getClassSymbolTable().getDescriptorsIterator();
850 while(classit.hasNext()) {
851 ClassDescriptor cd=(ClassDescriptor)classit.next();
852 if(cd.isInterface()) {
855 fillinRow(cd, virtualtable, cd.getId());
858 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
859 Iterator arrayit=state.getArrayIterator();
860 while(arrayit.hasNext()) {
861 TypeDescriptor td=(TypeDescriptor)arrayit.next();
862 int id=state.getArrayNumber(td);
863 fillinRow(objectcd, virtualtable, id+state.numClasses());
866 outvirtual.print("void * virtualtable[]={");
867 boolean needcomma=false;
868 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
869 for(int j=0; j<maxcount; j++) {
871 outvirtual.print(", ");
872 if (virtualtable[i][j]!=null) {
873 MethodDescriptor md=virtualtable[i][j];
874 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
876 outvirtual.print("0");
880 outvirtual.println("");
882 outvirtual.println("};");
886 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
887 /* Get inherited methods */
888 Iterator it_sifs = cd.getSuperInterfaces();
889 while(it_sifs.hasNext()) {
890 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
891 fillinRow(superif, virtualtable, rownum);
893 if (cd.getSuperDesc()!=null)
894 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
895 /* Override them with our methods */
896 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
897 MethodDescriptor md=(MethodDescriptor)it.next();
898 if (md.isStatic()||md.getReturnType()==null)
901 if (!callgraph.isCallable(md)) {
905 int methodnum = virtualcalls.getMethodNumber(md);
906 virtualtable[rownum][methodnum]=md;
910 /** Generate array that contains the sizes of class objects. The
911 * object allocation functions in the runtime use this
914 protected void generateSizeArray(PrintWriter outclassdefs) {
915 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
916 generateSizeArrayExtensions(outclassdefs);
918 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
919 cdarray=new ClassDescriptor[state.numClasses()];
920 ifarray = new ClassDescriptor[state.numInterfaces()];
923 while(it.hasNext()) {
924 ClassDescriptor cd=(ClassDescriptor)it.next();
925 if(cd.isInterface()) {
926 ifarray[cd.getId()] = cd;
928 cdarray[cd.getId()] = cd;
932 arraytable=new TypeDescriptor[state.numArrays()];
934 Iterator arrayit=state.getArrayIterator();
935 while(arrayit.hasNext()) {
936 TypeDescriptor td=(TypeDescriptor)arrayit.next();
937 int id=state.getArrayNumber(td);
941 /* Print out types */
942 outclassdefs.println("/* ");
943 for(int i=0; i<state.numClasses(); i++) {
944 ClassDescriptor cd=cdarray[i];
946 outclassdefs.println("NULL " + i);
948 outclassdefs.println(cd +" "+i);
952 for(int i=0; i<state.numArrays(); i++) {
953 TypeDescriptor arraytd=arraytable[i];
954 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
957 for(int i=0; i<state.numInterfaces(); i++) {
958 ClassDescriptor ifcd = ifarray[i];
959 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
962 outclassdefs.println("*/");
965 outclassdefs.print("int classsize[]={");
967 boolean needcomma=false;
968 for(int i=0; i<state.numClasses(); i++) {
970 outclassdefs.print(", ");
972 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
974 outclassdefs.print("0");
980 for(int i=0; i<state.numArrays(); i++) {
982 outclassdefs.print(", ");
983 TypeDescriptor tdelement=arraytable[i].dereference();
984 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
985 outclassdefs.print("sizeof(void *)");
987 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
991 for(int i=0; i<state.numInterfaces(); i++) {
993 outclassdefs.print(", ");
994 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
998 outclassdefs.println("};");
1000 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1002 outclassdefs.print("int typearray[]={");
1003 for(int i=0; i<state.numClasses(); i++) {
1004 ClassDescriptor cd=cdarray[i];
1005 ClassDescriptor supercd=i>0 ? cd.getSuperDesc() : null;
1006 if(supercd != null && supercd.isInterface()) {
1007 throw new Error("Super class can not be interfaces");
1010 outclassdefs.print(", ");
1012 outclassdefs.print("-1");
1014 outclassdefs.print(supercd.getId());
1018 for(int i=0; i<state.numArrays(); i++) {
1019 TypeDescriptor arraytd=arraytable[i];
1020 ClassDescriptor arraycd=arraytd.getClassDesc();
1021 if (arraycd==null) {
1023 outclassdefs.print(", ");
1024 outclassdefs.print(objectclass.getId());
1028 ClassDescriptor cd=arraycd.getSuperDesc();
1031 TypeDescriptor supertd=new TypeDescriptor(cd);
1032 supertd.setArrayCount(arraytd.getArrayCount());
1033 type=state.getArrayNumber(supertd);
1035 type+=state.numClasses();
1038 cd=cd.getSuperDesc();
1041 outclassdefs.print(", ");
1042 outclassdefs.print(type);
1046 for(int i=0; i<state.numInterfaces(); i++) {
1047 ClassDescriptor cd=ifarray[i];
1048 ClassDescriptor supercd=cd.getSuperDesc();
1049 if(supercd != null && supercd.isInterface()) {
1050 throw new Error("Super class can not be interfaces");
1053 outclassdefs.print(", ");
1055 outclassdefs.print("-1");
1057 outclassdefs.print(supercd.getId());
1061 outclassdefs.println("};");
1066 outclassdefs.print("int typearray2[]={");
1067 for(int i=0; i<state.numArrays(); i++) {
1068 TypeDescriptor arraytd=arraytable[i];
1069 ClassDescriptor arraycd=arraytd.getClassDesc();
1070 if (arraycd==null) {
1072 outclassdefs.print(", ");
1073 outclassdefs.print("-1");
1077 ClassDescriptor cd=arraycd.getSuperDesc();
1078 int level=arraytd.getArrayCount()-1;
1080 for(; level>0; level--) {
1081 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1082 supertd.setArrayCount(level);
1083 type=state.getArrayNumber(supertd);
1085 type+=state.numClasses();
1090 outclassdefs.print(", ");
1091 outclassdefs.print(type);
1095 outclassdefs.println("};");
1098 /** Constructs params and temp objects for each method or task.
1099 * These objects tell the compiler which temps need to be
1102 protected void generateTempStructs(FlatMethod fm) {
1103 MethodDescriptor md=fm.getMethod();
1104 TaskDescriptor task=fm.getTask();
1105 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1107 paramstable.put(md, objectparams);
1109 paramstable.put(task, objectparams);
1111 for(int i=0; i<fm.numParameters(); i++) {
1112 TempDescriptor temp=fm.getParameter(i);
1113 TypeDescriptor type=temp.getType();
1114 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1115 objectparams.addPtr(temp);
1117 objectparams.addPrim(temp);
1120 for(int i=0; i<fm.numTags(); i++) {
1121 TempDescriptor temp=fm.getTag(i);
1122 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1123 objectparams.addPtr(temp);
1125 objectparams.addPrim(temp);
1128 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1130 tempstable.put(md, objecttemps);
1132 tempstable.put(task, objecttemps);
1134 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1135 FlatNode fn=(FlatNode)nodeit.next();
1136 TempDescriptor[] writes=fn.writesTemps();
1137 for(int i=0; i<writes.length; i++) {
1138 TempDescriptor temp=writes[i];
1139 TypeDescriptor type=temp.getType();
1140 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1141 objecttemps.addPtr(temp);
1143 objecttemps.addPrim(temp);
1148 /** This method outputs the following information about classes
1150 * (1) For classes, what are the locations of pointers.
1151 * (2) For arrays, does the array contain pointers or primitives.
1152 * (3) For classes, does the class contain flags.
1155 protected void generateLayoutStructs(PrintWriter output) {
1156 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1157 while(it.hasNext()) {
1158 ClassDescriptor cn=(ClassDescriptor)it.next();
1159 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1160 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1162 while(allit.hasNext()) {
1163 FieldDescriptor fd=(FieldDescriptor)allit.next();
1167 TypeDescriptor type=fd.getType();
1171 output.print(count);
1172 allit=cn.getFieldTable().getAllDescriptorsIterator();
1173 while(allit.hasNext()) {
1174 FieldDescriptor fd=(FieldDescriptor)allit.next();
1178 TypeDescriptor type=fd.getType();
1180 output.println(",");
1181 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1182 fd.getSafeSymbol()+"))");
1185 output.println("};");
1188 output.println("unsigned INTPTR * pointerarray[]={");
1189 boolean needcomma=false;
1190 for(int i=0; i<state.numClasses(); i++) {
1191 ClassDescriptor cn=cdarray[i];
1193 output.println(",");
1196 output.print(cn.getSafeSymbol()+"_pointers");
1198 output.print("NULL");
1202 for(int i=0; i<state.numArrays(); i++) {
1204 output.println(", ");
1205 TypeDescriptor tdelement=arraytable[i].dereference();
1206 if (tdelement.isArray()||tdelement.isClass())
1207 output.print("((unsigned INTPTR *)1)");
1213 output.println("};");
1215 output.println("int hasflags[]={");
1216 for(int i=0; i<state.numClasses(); i++) {
1217 ClassDescriptor cn=cdarray[i];
1219 output.println(", ");
1221 if ((cn != null) && (cn.hasFlags()))
1226 output.println("};");
1229 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1232 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1233 supertd.setArrayCount(arraytd.getArrayCount());
1234 type=state.getArrayNumber(supertd);
1239 ClassDescriptor cd = arraycd.getSuperDesc();
1241 type = checkarraysupertype(cd, arraytd);
1247 Iterator it_sifs = arraycd.getSuperInterfaces();
1248 while(it_sifs.hasNext()) {
1249 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1250 type = checkarraysupertype(ifcd, arraytd);
1260 /** Print out table to give us supertypes */
1261 protected void generateSuperTypeTable(PrintWriter output) {
1262 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1263 for(int i=0; i<state.numClasses(); i++) {
1264 ClassDescriptor cn=cdarray[i];
1268 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1269 boolean ncomma = false;
1271 if((cn != null) && (cn.getSuperDesc() != null)) {
1274 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1275 while(it_sifs != null && it_sifs.hasNext()) {
1281 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1285 ClassDescriptor cdsuper=cn.getSuperDesc();
1286 output.print(cdsuper.getId());
1288 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1289 while(it_sifs != null && it_sifs.hasNext()) {
1293 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1296 output.println("};");
1299 for(int i=0; i<state.numArrays(); i++) {
1300 TypeDescriptor arraytd=arraytable[i];
1301 ClassDescriptor arraycd=arraytd.getClassDesc();
1302 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1303 boolean ncomma = false;
1305 if (arraycd==null) {
1309 output.print(objectclass.getId());
1310 output.println("};");
1313 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1316 Iterator it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1317 while(it_sifs != null && it_sifs.hasNext()) {
1323 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1324 ClassDescriptor cd=arraycd.getSuperDesc();
1327 type = checkarraysupertype(cd, arraytd);
1329 type += state.numClasses();
1336 it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1337 while(it_sifs != null && it_sifs.hasNext()) {
1338 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1339 int type = checkarraysupertype(ifcd , arraytd);
1341 type += state.numClasses();
1347 output.println("};");
1350 for(int i=0; i<state.numInterfaces(); i++) {
1351 ClassDescriptor cn=ifarray[i];
1355 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1356 boolean ncomma = false;
1358 if((cn != null) && (cn.getSuperDesc() != null)) {
1361 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1362 while(it_sifs != null && it_sifs.hasNext()) {
1368 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1372 ClassDescriptor cdsuper=cn.getSuperDesc();
1373 output.print(cdsuper.getId());
1375 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1376 while(it_sifs != null && it_sifs.hasNext()) {
1380 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1383 output.println("};");
1386 output.println("int* supertypes[]={");
1387 boolean needcomma=false;
1388 for(int i=0; i<state.numClasses(); i++) {
1389 ClassDescriptor cn=cdarray[i];
1391 output.println(",");
1394 output.print("supertypes" + cn.getSafeSymbol());
1400 for(int i=0; i<state.numArrays(); i++) {
1402 output.println(",");
1404 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1407 for(int i=0; i<state.numInterfaces(); i++) {
1408 ClassDescriptor cn=ifarray[i];
1410 output.println(",");
1412 output.print("supertypes" + cn.getSafeSymbol());
1414 output.println("};");
1417 /** Force consistent field ordering between inherited classes. */
1419 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1421 ClassDescriptor sp=cn.getSuperDesc();
1423 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1425 SymbolTable sitbl = cn.getSuperInterfaceTable();
1426 Iterator it_sifs = sitbl.getDescriptorsIterator();
1427 while(it_sifs.hasNext()) {
1428 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1429 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1432 if (!fieldorder.containsKey(cn)) {
1433 Vector fields=new Vector();
1434 fieldorder.put(cn,fields);
1436 Vector fieldvec=cn.getFieldVec();
1438 for(int i=0; i<fieldvec.size(); i++) {
1439 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1440 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1443 it_sifs = sitbl.getDescriptorsIterator();
1444 while(it_sifs.hasNext()) {
1445 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1446 if(si.getFieldTable().contains(fd.getSymbol())) {
1454 //Vector fields=(Vector)fieldorder.get(cn);
1456 Vector fields = cn.getFieldVec();
1458 for(int i=0; i<fields.size(); i++) {
1459 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1460 String fstring = fd.getSafeSymbol();
1461 if(printedfieldstbl.containsKey(fstring)) {
1462 printedfieldstbl.put(fstring, cn);
1465 printedfieldstbl.put(fstring, cn);
1467 if (fd.getType().isClass()
1468 && fd.getType().getClassDesc().isEnum()) {
1469 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1470 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1471 if (fd.isStatic()) {
1472 // TODO add version for normal Java later
1474 if(globaldefout != null) {
1475 if(fd.isVolatile()) {
1476 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1478 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1482 } else if (fd.isVolatile()) {
1484 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1486 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1488 } else if (fd.isStatic()) {
1489 // TODO add version for normal Java later
1491 if(globaldefout != null) {
1492 if(fd.isVolatile()) {
1493 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1495 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1498 } else if (fd.isVolatile()) {
1500 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1502 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1507 /* Map flags to integers consistently between inherited
1510 protected void mapFlags(ClassDescriptor cn) {
1511 ClassDescriptor sp=cn.getSuperDesc();
1515 if (!flagorder.containsKey(cn)) {
1516 Hashtable flags=new Hashtable();
1517 flagorder.put(cn,flags);
1519 Hashtable superflags=(Hashtable)flagorder.get(sp);
1520 Iterator superflagit=superflags.keySet().iterator();
1521 while(superflagit.hasNext()) {
1522 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1523 Integer number=(Integer)superflags.get(fd);
1524 flags.put(fd, number);
1525 if ((number.intValue()+1)>max)
1526 max=number.intValue()+1;
1530 Iterator flagit=cn.getFlags();
1531 while(flagit.hasNext()) {
1532 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1533 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1534 flags.put(fd, new Integer(max++));
1540 /** This function outputs (1) structures that parameters are
1541 * passed in (when PRECISE GC is enabled) and (2) function
1542 * prototypes for the methods */
1544 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1545 /* Output class structure */
1546 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1547 classdefout.println(" int type;");
1548 classdefout.println(" int hashcode;");
1550 additionalClassObjectFields(classdefout);
1553 if (state.EVENTMONITOR) {
1554 classdefout.println(" int objuid;");
1557 classdefout.println(" volatile int tid;");
1558 classdefout.println(" volatile int notifycount;");
1561 classdefout.println(" int mutex;");
1562 classdefout.println(" volatile int notifycount;");
1563 classdefout.println(" volatile int objlock;");
1564 if(state.MULTICOREGC) {
1565 classdefout.println(" int marked;");
1569 classdefout.println(" int flag;");
1570 classdefout.println(" int ___cachedCode___;");
1571 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1572 classdefout.println(" void * flagptr;");
1573 } else if (state.MULTICORE) {
1574 classdefout.println(" int version;");
1575 classdefout.println(" int * lock;"); // lock entry for this obj
1576 classdefout.println(" int mutex;");
1577 classdefout.println(" int lockcount;");
1578 if(state.MULTICOREGC) {
1579 classdefout.println(" int marked;");
1582 if (state.OPTIONAL) {
1583 classdefout.println(" int numfses;");
1584 classdefout.println(" int * fses;");
1587 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1588 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1589 classdefout.println("};\n");
1590 generateCallStructsMethods(cn, output, headersout);
1594 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1595 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1596 MethodDescriptor md=(MethodDescriptor)methodit.next();
1598 if (!callgraph.isCallable(md)) {
1602 generateMethod(cn, md, headersout, output);
1606 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1607 /* Output parameter structure */
1608 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1609 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1610 // generate the staticinit version
1611 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1613 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1614 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1615 output.println(" int size;");
1616 output.println(" void * next;");
1617 for(int i=0; i<objectparams.numPointers(); i++) {
1618 TempDescriptor temp=objectparams.getPointer(i);
1619 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1620 output.println(" int " + temp.getSafeSymbol() + ";");
1622 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1625 output.println("};\n");
1628 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1629 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1630 output.println(" int size;");
1631 output.println(" void * next;");
1632 for(int i=0; i<objectparams.numPointers(); i++) {
1633 TempDescriptor temp=objectparams.getPointer(i);
1634 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1635 output.println(" int " + temp.getSafeSymbol() + ";");
1637 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1640 output.println("};\n");
1644 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1645 FlatMethod fm=state.getMethodFlat(md);
1646 generateTempStructs(fm);
1648 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1649 TempObject objecttemps=(TempObject) tempstable.get(md);
1651 boolean printcomma = false;
1653 generateMethodParam(cn, md, output);
1655 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1656 // generate the staticinit version
1657 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1659 /* Output temp structure */
1660 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1661 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1662 output.println(" int size;");
1663 output.println(" void * next;");
1664 for(int i=0; i<objecttemps.numPointers(); i++) {
1665 TempDescriptor temp=objecttemps.getPointer(i);
1666 if (!temp.getType().isArray() && temp.getType().isNull())
1667 output.println(" void * "+temp.getSafeSymbol()+";");
1669 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1671 output.println("};\n");
1674 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1675 /* First the return type */
1676 if (md.getReturnType()!=null) {
1677 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1678 headersout.println(" int ");
1679 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1680 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1682 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1684 //catch the constructor case
1685 headersout.print("void ");
1687 /* Next the method name */
1688 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1690 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1691 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1695 /* Output parameter list*/
1696 for(int i=0; i<objectparams.numPrimitives(); i++) {
1697 TempDescriptor temp=objectparams.getPrimitive(i);
1699 headersout.print(", ");
1701 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1702 headersout.print("int " + temp.getSafeSymbol());
1703 } else if (temp.getType().isClass()||temp.getType().isArray())
1704 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1706 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1708 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1709 headersout.print(", int linenum");
1711 headersout.println(");\n");
1714 /* Output temp structure */
1715 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1716 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1717 output.println(" int size;");
1718 output.println(" void * next;");
1719 for(int i=0; i<objecttemps.numPointers(); i++) {
1720 TempDescriptor temp=objecttemps.getPointer(i);
1721 if (!temp.getType().isArray() && temp.getType().isNull())
1722 output.println(" void * "+temp.getSafeSymbol()+";");
1724 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1726 output.println("};\n");
1729 /********* Output method declaration ***********/
1730 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1731 /* First the return type */
1732 if (md.getReturnType()!=null) {
1733 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1734 headersout.println(" int ");
1735 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1736 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1738 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1740 //catch the constructor case
1741 headersout.print("void ");
1743 /* Next the method name */
1744 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1746 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1747 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1751 /* Output parameter list*/
1752 for(int i=0; i<objectparams.numPrimitives(); i++) {
1753 TempDescriptor temp=objectparams.getPrimitive(i);
1755 headersout.print(", ");
1757 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1758 headersout.print("int " + temp.getSafeSymbol());
1759 } else if (temp.getType().isClass()||temp.getType().isArray())
1760 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1762 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1764 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1765 headersout.print(", int linenum");
1767 headersout.println(");\n");
1771 /** This function outputs (1) structures that parameters are
1772 * passed in (when PRECISE GC is enabled) and (2) function
1773 * prototypes for the tasks */
1775 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1776 /* Cycle through tasks */
1777 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1779 while(taskit.hasNext()) {
1780 /* Classify parameters */
1781 TaskDescriptor task=(TaskDescriptor)taskit.next();
1782 FlatMethod fm=state.getMethodFlat(task);
1783 generateTempStructs(fm);
1785 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1786 TempObject objecttemps=(TempObject) tempstable.get(task);
1788 /* Output parameter structure */
1789 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1790 output.println("struct "+task.getSafeSymbol()+"_params {");
1791 output.println(" int size;");
1792 output.println(" void * next;");
1793 for(int i=0; i<objectparams.numPointers(); i++) {
1794 TempDescriptor temp=objectparams.getPointer(i);
1795 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1798 output.println("};\n");
1799 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1800 maxtaskparams=objectparams.numPointers()+fm.numTags();
1804 /* Output temp structure */
1805 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1806 output.println("struct "+task.getSafeSymbol()+"_locals {");
1807 output.println(" int size;");
1808 output.println(" void * next;");
1809 for(int i=0; i<objecttemps.numPointers(); i++) {
1810 TempDescriptor temp=objecttemps.getPointer(i);
1811 if (!temp.getType().isArray() && temp.getType().isNull())
1812 output.println(" void * "+temp.getSafeSymbol()+";");
1813 else if(temp.getType().isTag())
1814 output.println(" struct "+
1815 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1817 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1819 output.println("};\n");
1822 /* Output task declaration */
1823 headersout.print("void " + task.getSafeSymbol()+"(");
1825 boolean printcomma=false;
1826 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1827 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1829 headersout.print("void * parameterarray[]");
1830 headersout.println(");\n");
1834 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1835 MethodDescriptor md=fm.getMethod();
1836 ClassDescriptor cd=md.getClassDesc();
1837 generateHeader(fm, md, outmethod);
1839 outmethod.println("JNIPUSHFRAME();");
1840 if (md.getModifiers().isStatic()) {
1841 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1843 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1846 for(int i=startindex;i<fm.numParameters();i++) {
1847 TempDescriptor tmp=fm.getParameter(i);
1848 if (tmp.getType().isPtr()) {
1849 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
1852 if (GENERATEPRECISEGC) {
1853 outmethod.println("stopforgc((struct garbagelist *)___params___);");
1855 if (!md.getReturnType().isVoid()) {
1856 if (md.getReturnType().isPtr())
1857 outmethod.print("jobject retval=");
1859 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
1861 outmethod.print("Java_");
1862 outmethod.print(cd.getPackage().replace('.','_'));
1863 outmethod.print("_"+md.getSymbol()+"(");
1864 outmethod.print("JNI_vtable, rec");
1866 for(int i=startindex;i<fm.numParameters();i++) {
1867 outmethod.print(", ");
1868 TempDescriptor tmp=fm.getParameter(i);
1869 if (tmp.getType().isPtr()) {
1870 outmethod.print("param"+i);
1872 outmethod.print(generateTemp(fm, tmp));
1875 outmethod.println(");");
1876 if (GENERATEPRECISEGC) {
1877 outmethod.println("restartaftergc();");
1879 if (!md.getReturnType().isVoid()) {
1880 if (md.getReturnType().isPtr()) {
1881 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
1882 outmethod.println("JNIPOPFRAME();");
1883 outmethod.println("return retobj;");
1885 outmethod.println("JNIPOPFRAME();");
1886 outmethod.println("return retval;");
1889 outmethod.println("JNIPOPFRAME();");
1891 outmethod.println("}");
1892 outmethod.println("");
1895 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1896 if (State.PRINTFLAT)
1897 System.out.println(fm.printMethod());
1898 MethodDescriptor md=fm.getMethod();
1899 TaskDescriptor task=fm.getTask();
1900 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1901 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null ? md : task);
1903 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1904 // generate a special static init version
1905 mgcstaticinit = true;
1906 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1908 generateHeader(fm, md!=null ? md : task,output);
1909 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1911 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1912 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1913 output.print(objecttemp.numPointers()+",");
1914 output.print(paramsprefix);
1915 for(int j=0; j<objecttemp.numPointers(); j++)
1916 output.print(", NULL");
1917 output.println("};");
1920 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1921 TempDescriptor td=objecttemp.getPrimitive(i);
1922 TypeDescriptor type=td.getType();
1923 if (type.isNull() && !type.isArray())
1924 output.println(" void * "+td.getSafeSymbol()+";");
1925 else if (type.isClass() && type.getClassDesc().isEnum()) {
1926 output.println(" int " + td.getSafeSymbol() + ";");
1927 } else if (type.isClass()||type.isArray())
1928 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1930 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1933 additionalCodeAtTopFlatMethodBody(output, fm);
1935 /* Check to see if we need to do a GC if this is a
1936 * multi-threaded program...*/
1938 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC) {
1939 //Don't bother if we aren't in recursive methods...The loops case will catch it
1940 if (callgraph.getAllMethods(md).contains(md)) {
1941 if (this.state.MULTICOREGC) {
1942 output.println("if(gcflag) gc("+localsprefixaddr+");");
1944 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1949 generateCode(fm.getNext(0), fm, null, output);
1951 output.println("}\n\n");
1953 mgcstaticinit = false;
1956 generateHeader(fm, md!=null ? md : task,output);
1957 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1959 if((md != null) && (md.isStaticBlock())) {
1960 mgcstaticinit = true;
1963 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1965 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1967 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1968 output.print(objecttemp.numPointers()+",");
1969 output.print(paramsprefix);
1970 for(int j=0; j<objecttemp.numPointers(); j++)
1971 output.print(", NULL");
1972 output.println("};");
1975 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1976 TempDescriptor td=objecttemp.getPrimitive(i);
1977 TypeDescriptor type=td.getType();
1978 if (type.isNull() && !type.isArray())
1979 output.println(" void * "+td.getSafeSymbol()+";");
1980 else if (type.isClass() && type.getClassDesc().isEnum()) {
1981 output.println(" int " + td.getSafeSymbol() + ";");
1982 } else if (type.isClass()||type.isArray())
1983 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1985 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1988 additionalCodeAtTopFlatMethodBody(output, fm);
1990 /* Check to see if we need to do a GC if this is a
1991 * multi-threaded program...*/
1993 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1994 || this.state.MULTICOREGC) {
1995 //Don't bother if we aren't in recursive methods...The loops case will catch it
1996 if (callgraph.getAllMethods(md).contains(md)) {
1997 if (this.state.MULTICOREGC) {
1998 output.println("if(gcflag) gc("+localsprefixaddr+");");
2000 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2005 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2006 // a static block, check if it has been executed
2007 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2008 output.println(" return;");
2009 output.println(" }");
2013 generateCode(fm.getNext(0), fm, null, output);
2015 output.println("}\n\n");
2017 mgcstaticinit = false;
2020 protected void generateCode(FlatNode first,
2022 Set<FlatNode> stopset,
2023 PrintWriter output) {
2025 /* Assign labels to FlatNode's if necessary.*/
2027 Hashtable<FlatNode, Integer> nodetolabel;
2029 nodetolabel=assignLabels(first, stopset);
2031 Set<FlatNode> storeset=null;
2032 HashSet<FlatNode> genset=null;
2033 HashSet<FlatNode> refset=null;
2034 Set<FlatNode> unionset=null;
2036 /* Do the actual code generation */
2037 FlatNode current_node=null;
2038 HashSet tovisit=new HashSet();
2039 HashSet visited=new HashSet();
2041 while(current_node!=null||!tovisit.isEmpty()) {
2042 if (current_node==null) {
2043 current_node=(FlatNode)tovisit.iterator().next();
2044 tovisit.remove(current_node);
2045 } else if (tovisit.contains(current_node)) {
2046 tovisit.remove(current_node);
2048 visited.add(current_node);
2049 if (nodetolabel.containsKey(current_node)) {
2050 output.println("L"+nodetolabel.get(current_node)+":");
2052 if (state.INSTRUCTIONFAILURE) {
2054 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2056 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2058 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2060 generateFlatNode(fm, current_node, output);
2062 if (state.OOOJAVA && stopset!=null) {
2063 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2064 assert current_node instanceof FlatSESEExitNode;
2065 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2066 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2067 assert fsen.getFlatExit().equals(fsxn);
2068 assert fsxn.getFlatEnter().equals(fsen);
2070 if (current_node.kind()!=FKind.FlatReturnNode) {
2071 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2072 // a static block, check if it has been executed
2073 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2076 output.println(" return;");
2079 } else if(current_node.numNext()==1) {
2081 if (state.OOOJAVA &&
2082 current_node.kind()==FKind.FlatSESEEnterNode) {
2083 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2084 generateFlatNode(fm, current_node, output);
2085 nextnode=fsen.getFlatExit().getNext(0);
2088 generateFlatNode(fm, current_node, output);
2089 nextnode=current_node.getNext(0);
2091 if (visited.contains(nextnode)) {
2092 output.println("goto L"+nodetolabel.get(nextnode)+";");
2095 current_node=nextnode;
2096 } else if (current_node.numNext()==2) {
2099 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2100 if (!visited.contains(current_node.getNext(1)))
2101 tovisit.add(current_node.getNext(1));
2102 if (visited.contains(current_node.getNext(0))) {
2103 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2106 current_node=current_node.getNext(0);
2107 } else throw new Error();
2111 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2112 HashSet tovisit=new HashSet();
2113 HashSet visited=new HashSet();
2115 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2118 /*Assign labels first. A node needs a label if the previous
2119 * node has two exits or this node is a join point. */
2121 while(!tovisit.isEmpty()) {
2122 FlatNode fn=(FlatNode)tovisit.iterator().next();
2127 if(lastset!=null&&lastset.contains(fn)) {
2128 // if last is not null and matches, don't go
2129 // any further for assigning labels
2133 for(int i=0; i<fn.numNext(); i++) {
2134 FlatNode nn=fn.getNext(i);
2137 //1) Edge >1 of node
2138 nodetolabel.put(nn,new Integer(labelindex++));
2140 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2144 nodetolabel.put(nn,new Integer(labelindex++));
2151 /** Generate text string that corresponds to the TempDescriptor td. */
2152 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2153 MethodDescriptor md=fm.getMethod();
2154 TaskDescriptor task=fm.getTask();
2155 TempObject objecttemps=(TempObject) tempstable.get(md!=null ? md : task);
2157 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2158 return td.getSafeSymbol();
2161 if (objecttemps.isLocalPtr(td)) {
2162 return localsprefixderef+td.getSafeSymbol();
2165 if (objecttemps.isParamPtr(td)) {
2166 return paramsprefix+"->"+td.getSafeSymbol();
2174 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2175 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2176 additionalCodePreNode(fm, fn, output);
2179 case FKind.FlatAtomicEnterNode:
2180 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2183 case FKind.FlatAtomicExitNode:
2184 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2187 case FKind.FlatInstanceOfNode:
2188 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2191 case FKind.FlatSESEEnterNode:
2192 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2195 case FKind.FlatSESEExitNode:
2196 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2199 case FKind.FlatWriteDynamicVarNode:
2200 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2203 case FKind.FlatGlobalConvNode:
2204 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2207 case FKind.FlatTagDeclaration:
2208 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2211 case FKind.FlatCall:
2212 generateFlatCall(fm, (FlatCall) fn,output);
2215 case FKind.FlatFieldNode:
2216 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2219 case FKind.FlatElementNode:
2220 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2223 case FKind.FlatSetElementNode:
2224 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2227 case FKind.FlatSetFieldNode:
2228 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2232 generateFlatNew(fm, (FlatNew) fn,output);
2235 case FKind.FlatOpNode:
2236 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2239 case FKind.FlatCastNode:
2240 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2243 case FKind.FlatLiteralNode:
2244 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2247 case FKind.FlatReturnNode:
2248 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2252 output.println("/* nop */");
2255 case FKind.FlatGenReachNode:
2256 // this node is just for generating a reach graph
2257 // in disjointness analysis at a particular program point
2260 case FKind.FlatExit:
2261 output.println("/* exit */");
2264 case FKind.FlatBackEdge:
2265 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2268 case FKind.FlatCheckNode:
2269 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2272 case FKind.FlatFlagActionNode:
2273 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2276 case FKind.FlatPrefetchNode:
2277 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2280 case FKind.FlatOffsetNode:
2281 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2288 additionalCodePostNode(fm, fn, output);
2291 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2292 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2293 || (this.state.MULTICOREGC)) {
2294 if(this.state.MULTICOREGC) {
2295 output.println("if (gcflag) gc("+localsprefixaddr+");");
2297 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2300 output.println("/* nop */");
2303 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2304 output.println("/* FlatOffsetNode */");
2305 FieldDescriptor fd=fofn.getField();
2306 if(!fd.isStatic()) {
2307 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2308 fd.getSafeSymbol()+");");
2310 output.println("/* offset */");
2313 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2316 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2319 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2322 if (fion.getType().isArray()) {
2323 type=state.getArrayNumber(fion.getType())+state.numClasses();
2324 } else if (fion.getType().getClassDesc().isInterface()) {
2325 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2327 type=fion.getType().getClassDesc().getId();
2329 if (fion.getSrc().getType().isArray()) {
2330 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2331 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2332 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2334 otype=fion.getSrc().getType().getClassDesc().getId();
2337 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2338 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2340 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2344 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2347 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2350 public void generateFlatSESEEnterNode(FlatMethod fm,
2351 FlatSESEEnterNode fsen,
2352 PrintWriter output) {
2353 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2354 // just skip over them and code generates exactly the same
2357 public void generateFlatSESEExitNode(FlatMethod fm,
2358 FlatSESEExitNode fsexn,
2359 PrintWriter output) {
2360 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2361 // just skip over them and code generates exactly the same
2364 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2365 FlatWriteDynamicVarNode fwdvn,
2366 PrintWriter output) {
2370 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2371 if (state.CONSCHECK) {
2372 String specname=fcn.getSpec();
2373 String varname="repairstate___";
2374 output.println("{");
2375 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2377 TempDescriptor[] temps=fcn.getTemps();
2378 String[] vars=fcn.getVars();
2379 for(int i=0; i<temps.length; i++) {
2380 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2383 output.println("if (doanalysis"+specname+"("+varname+")) {");
2384 output.println("free"+specname+"_state("+varname+");");
2385 output.println("} else {");
2386 output.println("/* Bad invariant */");
2387 output.println("free"+specname+"_state("+varname+");");
2388 output.println("abort_task();");
2389 output.println("}");
2390 output.println("}");
2394 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2395 MethodDescriptor md=fc.getMethod();
2396 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2397 ClassDescriptor cn=md.getClassDesc();
2398 String mdstring = md.getSafeMethodDescriptor();
2399 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2400 mdstring += "staticinit";
2403 // if the called method is a static block or a static method or a constructor
2404 // need to check if it can be invoked inside some static block
2405 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2406 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2407 if(!md.isInvokedByStatic()) {
2408 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2410 // is a static block or is invoked in some static block
2411 ClassDescriptor cd = fm.getMethod().getClassDesc();
2412 if(cd != cn && mgcstaticinit) {
2413 // generate static init check code if it has not done static init in main()
2414 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2415 // need to check if the class' static fields have been initialized and/or
2416 // its static blocks have been executed
2417 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2418 if(cn.getNumStaticBlocks() != 0) {
2419 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2420 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2421 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2422 output.println("0, NULL};");
2423 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2425 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2428 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2430 output.println("}");
2434 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2435 output.println("{");
2436 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2437 output.println("int monitorenterline = __LINE__;");
2439 // call MonitorEnter/MonitorExit on a class obj
2440 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2441 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2442 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2443 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2444 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2446 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2449 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2450 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2451 + fc.getThis().getType().getClassDesc().getId() + "]));");
2453 output.println("}");
2457 output.println("{");
2458 if(md.getSymbol().equals("MonitorEnter")) {
2459 output.println("int monitorenterline = __LINE__;");
2461 if (GENERATEPRECISEGC || state.MULTICOREGC) {
2462 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2463 output.print(objectparams.numPointers());
2464 output.print(", "+localsprefixaddr);
2465 if (md.getThis()!=null) {
2467 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2469 if (fc.getThis()!=null&&md.getThis()==null) {
2470 System.out.println("WARNING!!!!!!!!!!!!");
2471 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2474 for(int i=0; i<fc.numArgs(); i++) {
2475 Descriptor var=md.getParameter(i);
2476 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2477 if (objectparams.isParamPtr(paramtemp)) {
2478 TempDescriptor targ=fc.getArg(i);
2480 TypeDescriptor td=md.getParamType(i);
2482 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2484 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2487 output.println("};");
2492 if (fc.getReturnTemp()!=null)
2493 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2495 /* Do we need to do virtual dispatch? */
2497 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2499 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2503 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2504 output.print("int ");
2505 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2506 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2508 output.print(md.getReturnType().getSafeSymbol()+" ");
2509 output.print("(*)(");
2511 boolean printcomma=false;
2512 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2513 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2517 for(int i=0; i<objectparams.numPrimitives(); i++) {
2518 TempDescriptor temp=objectparams.getPrimitive(i);
2522 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2523 output.print("int ");
2524 } else if (temp.getType().isClass()||temp.getType().isArray())
2525 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2527 output.print(temp.getType().getSafeSymbol());
2530 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2531 output.print(", int");
2533 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2537 boolean needcomma=false;
2538 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2539 output.print("&__parameterlist__");
2543 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2544 if (fc.getThis()!=null) {
2545 TypeDescriptor ptd=null;
2546 if(md.getThis() != null) {
2547 ptd = md.getThis().getType();
2549 ptd = fc.getThis().getType();
2553 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2555 } else if (ptd.isClass()&&!ptd.isArray())
2556 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2557 output.print(generateTemp(fm,fc.getThis()));
2562 for(int i=0; i<fc.numArgs(); i++) {
2563 Descriptor var=md.getParameter(i);
2564 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2565 if (objectparams.isParamPrim(paramtemp)) {
2566 TempDescriptor targ=fc.getArg(i);
2570 TypeDescriptor ptd=md.getParamType(i);
2571 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2573 } else if (ptd.isClass()&&!ptd.isArray())
2574 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2575 output.print(generateTemp(fm, targ));
2579 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2580 output.println(", monitorenterline);");
2582 output.println(");");
2584 output.println(" }");
2587 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2588 if(thiscd.isInterface()) {
2589 // for interfaces, always need virtual dispatch
2592 Set subclasses=typeutil.getSubClasses(thiscd);
2593 if (subclasses==null)
2595 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2596 ClassDescriptor cd=(ClassDescriptor)classit.next();
2597 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2598 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2599 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2600 if (md.matches(matchmd))
2608 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2610 if(ffn.getField().isStatic()) {
2612 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2613 // is a static block or is invoked in some static block
2614 ClassDescriptor cd = fm.getMethod().getClassDesc();
2615 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2617 // the same class, do nothing
2618 } else if(mgcstaticinit) {
2619 // generate the static init check code if has not done the static init in main()
2620 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2621 // need to check if the class' static fields have been initialized and/or
2622 // its static blocks have been executed
2623 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2624 if(cn.getNumStaticBlocks() != 0) {
2625 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2626 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2627 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2628 output.println("0, NULL};");
2629 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2631 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2634 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2636 output.println("}");
2640 // redirect to the global_defs_p structure
2641 if (ffn.getField().getType().isPtr())
2642 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2644 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2645 } else if (ffn.getField().isEnum()) {
2646 // an Enum value, directly replace the field access as int
2647 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2649 output.println("#ifdef MULTICORE_DEBUG");
2650 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2651 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2652 if(state.MULTICOREGC) {
2653 output.println("failednullptr(&___locals___);");
2655 output.println("failednullptr(NULL);");
2657 output.println("}");
2658 output.println("#endif //MULTICORE_DEBUG");
2659 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2664 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2665 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2666 throw new Error("Can't set array length");
2667 if (state.FASTCHECK) {
2668 String dst=generateTemp(fm, fsfn.getDst());
2669 output.println("if(!"+dst+"->"+localcopystr+") {");
2670 /* Link object into list */
2671 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2672 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2674 output.println("COPY_OBJ("+dst+");");
2675 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2676 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2677 output.println("}");
2680 if(fsfn.getField().isStatic()) {
2682 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2683 // is a static block or is invoked in some static block
2684 ClassDescriptor cd = fm.getMethod().getClassDesc();
2685 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2686 if(cd != cn && mgcstaticinit){
2687 // generate static init check code if has not done the static init in main()
2688 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2689 // need to check if the class' static fields have been initialized and/or
2690 // its static blocks have been executed
2691 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2692 if(cn.getNumStaticBlocks() != 0) {
2693 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2694 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2695 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2696 output.println("0, NULL};");
2697 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2699 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2702 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2704 output.println("}");
2708 // redirect to the global_defs_p structure
2709 if (fsfn.getField().getType().isPtr()) {
2710 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2711 output.println("global_defs_p->" +
2712 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2714 output.println("global_defs_p->" +
2715 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2717 output.println("global_defsprim_p->" +
2718 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2720 output.println("#ifdef MULTICORE_DEBUG");
2721 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2722 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2723 if(state.MULTICOREGC) {
2724 output.println("failednullptr(&___locals___);");
2726 output.println("failednullptr(NULL);");
2728 output.println("}");
2729 output.println("#endif //MULTICORE_DEBUG");
2730 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2731 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2732 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2734 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2735 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2740 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2741 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2744 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2746 } else if (elementtype.isArray()||elementtype.isClass())
2749 type=elementtype.getSafeSymbol()+" ";
2751 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2752 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2753 output.println("failedboundschk(" + (boundschknum++) + ");");
2755 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2758 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2759 //TODO: need dynamic check to make sure this assignment is actually legal
2760 //Because Object[] could actually be something more specific...ie. Integer[]
2762 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2765 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2767 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2770 type=elementtype.getSafeSymbol()+" ";
2772 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2773 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2774 output.println("failedboundschk(" + (boundschknum++) + ");");
2776 if (state.FASTCHECK) {
2777 String dst=generateTemp(fm, fsen.getDst());
2778 output.println("if(!"+dst+"->"+localcopystr+") {");
2779 /* Link object into list */
2780 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2781 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2783 output.println("COPY_OBJ("+dst+");");
2784 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2785 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2786 output.println("}");
2788 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2792 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2793 if (fn.getType().isArray()) {
2794 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2795 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2796 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2798 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2801 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2802 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2804 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2807 if (state.FASTCHECK) {
2808 String dst=generateTemp(fm,fn.getDst());
2809 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2810 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2811 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2815 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2816 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2817 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2819 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2823 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2824 if (fon.getRight()!=null) {
2825 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2826 if (fon.getLeft().getType().isLong())
2827 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2829 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2832 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2833 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2835 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2837 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2838 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2839 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2841 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2842 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2843 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2844 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2845 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2846 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2847 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2848 else if (fon.getOp().getOp()==Operation.COMP)
2849 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2850 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2851 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2853 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2856 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2857 /* TODO: Do type check here */
2858 if (fcn.getType().isArray()) {
2859 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2860 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2861 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2862 } else if (fcn.getType().isClass())
2863 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2865 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2870 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2871 if (fln.getValue()==null)
2872 output.println(generateTemp(fm, fln.getDst())+"=0;");
2873 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2874 String str=(String)fln.getValue();
2875 output.println("{");
2876 output.print("short str"+flncount+"[]={");
2877 for(int i=0;i<str.length();i++) {
2880 output.print(((int)str.charAt(i)));
2882 output.println("};");
2883 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2884 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
2886 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
2888 output.println("}");
2890 } else if (fln.getType().isBoolean()) {
2891 if (((Boolean)fln.getValue()).booleanValue())
2892 output.println(generateTemp(fm, fln.getDst())+"=1;");
2894 output.println(generateTemp(fm, fln.getDst())+"=0;");
2895 } else if (fln.getType().isChar()) {
2896 int val=(int)(((Character)fln.getValue()).charValue());
2897 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
2898 } else if (fln.getType().isLong()) {
2899 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2901 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2904 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2905 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2906 // a static block, check if it has been executed
2907 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2911 if (frn.getReturnTemp()!=null) {
2912 if (frn.getReturnTemp().getType().isPtr())
2913 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2915 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2917 output.println("return;");
2921 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2922 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2925 /** This method generates header information for the method or
2926 * task referenced by the Descriptor des. */
2927 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2928 generateHeader(fm, des, output, false);
2931 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2933 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2934 MethodDescriptor md=null;
2935 TaskDescriptor task=null;
2936 if (des instanceof MethodDescriptor)
2937 md=(MethodDescriptor) des;
2939 task=(TaskDescriptor) des;
2940 String mdstring = md != null ? md.getSafeMethodDescriptor() : null;
2942 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2944 if (md!=null&&md.getReturnType()!=null) {
2945 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2946 output.print("int ");
2947 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2948 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2950 output.print(md.getReturnType().getSafeSymbol()+" ");
2952 //catch the constructor case
2953 output.print("void ");
2955 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2956 mdstring += "staticinit";
2958 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2960 output.print(task.getSafeSymbol()+"(");
2962 boolean printcomma=false;
2963 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2965 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2967 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2973 for(int i=0; i<objectparams.numPrimitives(); i++) {
2974 TempDescriptor temp=objectparams.getPrimitive(i);
2978 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2979 output.print("int " + temp.getSafeSymbol());
2980 } else if (temp.getType().isClass()||temp.getType().isArray())
2981 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2983 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2985 output.println(") {");
2986 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2987 /* Imprecise Task */
2988 output.println("void * parameterarray[]) {");
2989 /* Unpack variables */
2990 for(int i=0; i<objectparams.numPrimitives(); i++) {
2991 TempDescriptor temp=objectparams.getPrimitive(i);
2992 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2993 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2995 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2998 for(int i=0; i<fm.numTags(); i++) {
2999 TempDescriptor temp=fm.getTag(i);
3000 int offset=i+objectparams.numPrimitives();
3001 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3004 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3005 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3006 } else output.println(") {");
3009 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3010 output.println("/* FlatFlagActionNode */");
3013 /* Process tag changes */
3014 Relation tagsettable=new Relation();
3015 Relation tagcleartable=new Relation();
3017 Iterator tagsit=ffan.getTempTagPairs();
3018 while (tagsit.hasNext()) {
3019 TempTagPair ttp=(TempTagPair) tagsit.next();
3020 TempDescriptor objtmp=ttp.getTemp();
3021 TagDescriptor tag=ttp.getTag();
3022 TempDescriptor tagtmp=ttp.getTagTemp();
3023 boolean tagstatus=ffan.getTagChange(ttp);
3025 tagsettable.put(objtmp, tagtmp);
3027 tagcleartable.put(objtmp, tagtmp);
3032 Hashtable flagandtable=new Hashtable();
3033 Hashtable flagortable=new Hashtable();
3035 /* Process flag changes */
3036 Iterator flagsit=ffan.getTempFlagPairs();
3037 while(flagsit.hasNext()) {
3038 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3039 TempDescriptor temp=tfp.getTemp();
3040 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3041 FlagDescriptor flag=tfp.getFlag();
3043 //Newly allocate objects that don't set any flags case
3044 if (flagortable.containsKey(temp)) {
3048 flagortable.put(temp,new Integer(mask));
3050 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3051 boolean flagstatus=ffan.getFlagChange(tfp);
3054 if (flagortable.containsKey(temp)) {
3055 mask=((Integer)flagortable.get(temp)).intValue();
3058 flagortable.put(temp,new Integer(mask));
3060 int mask=0xFFFFFFFF;
3061 if (flagandtable.containsKey(temp)) {
3062 mask=((Integer)flagandtable.get(temp)).intValue();
3064 mask&=(0xFFFFFFFF^flagid);
3065 flagandtable.put(temp,new Integer(mask));
3071 HashSet flagtagset=new HashSet();
3072 flagtagset.addAll(flagortable.keySet());
3073 flagtagset.addAll(flagandtable.keySet());
3074 flagtagset.addAll(tagsettable.keySet());
3075 flagtagset.addAll(tagcleartable.keySet());
3077 Iterator ftit=flagtagset.iterator();
3078 while(ftit.hasNext()) {
3079 TempDescriptor temp=(TempDescriptor)ftit.next();
3082 Set tagtmps=tagcleartable.get(temp);
3083 if (tagtmps!=null) {
3084 Iterator tagit=tagtmps.iterator();
3085 while(tagit.hasNext()) {
3086 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3087 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3088 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3090 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3094 tagtmps=tagsettable.get(temp);
3095 if (tagtmps!=null) {
3096 Iterator tagit=tagtmps.iterator();
3097 while(tagit.hasNext()) {
3098 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3099 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3100 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3102 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3107 int andmask=0xFFFFFFF;
3109 if (flagortable.containsKey(temp))
3110 ormask=((Integer)flagortable.get(temp)).intValue();
3111 if (flagandtable.containsKey(temp))
3112 andmask=((Integer)flagandtable.get(temp)).intValue();
3113 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3114 generateObjectDistribute(ffan, fm, temp, output);
3118 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3119 PrintWriter output, int ormask, int andmask) {
3120 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3121 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3123 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3127 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3128 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3131 void generateOptionalHeader(PrintWriter headers) {
3134 headers.println("#include \"task.h\"\n\n");
3135 headers.println("#ifndef _OPTIONAL_STRUCT_");
3136 headers.println("#define _OPTIONAL_STRUCT_");
3138 //STRUCT PREDICATEMEMBER
3139 headers.println("struct predicatemember{");
3140 headers.println("int type;");
3141 headers.println("int numdnfterms;");
3142 headers.println("int * flags;");
3143 headers.println("int numtags;");
3144 headers.println("int * tags;\n};\n\n");
3146 //STRUCT OPTIONALTASKDESCRIPTOR
3147 headers.println("struct optionaltaskdescriptor{");
3148 headers.println("struct taskdescriptor * task;");
3149 headers.println("int index;");
3150 headers.println("int numenterflags;");
3151 headers.println("int * enterflags;");
3152 headers.println("int numpredicatemembers;");
3153 headers.println("struct predicatemember ** predicatememberarray;");
3154 headers.println("};\n\n");
3156 //STRUCT TASKFAILURE
3157 headers.println("struct taskfailure {");
3158 headers.println("struct taskdescriptor * task;");
3159 headers.println("int index;");
3160 headers.println("int numoptionaltaskdescriptors;");
3161 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3163 //STRUCT FSANALYSISWRAPPER
3164 headers.println("struct fsanalysiswrapper{");
3165 headers.println("int flags;");
3166 headers.println("int numtags;");
3167 headers.println("int * tags;");
3168 headers.println("int numtaskfailures;");
3169 headers.println("struct taskfailure ** taskfailurearray;");
3170 headers.println("int numoptionaltaskdescriptors;");
3171 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3173 //STRUCT CLASSANALYSISWRAPPER
3174 headers.println("struct classanalysiswrapper{");
3175 headers.println("int type;");
3176 headers.println("int numotd;");
3177 headers.println("struct optionaltaskdescriptor ** otdarray;");
3178 headers.println("int numfsanalysiswrappers;");
3179 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3181 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3183 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3184 while(taskit.hasNext()) {
3185 TaskDescriptor td=(TaskDescriptor)taskit.next();
3186 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3191 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3192 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3193 int predicateindex = 0;
3194 //iterate through the classes concerned by the predicate
3195 Set c_vard = predicate.vardescriptors;
3196 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3199 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3200 VarDescriptor vard = (VarDescriptor)vard_it.next();
3201 TypeDescriptor typed = vard.getType();
3203 //generate for flags
3204 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3205 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3207 if (fen_hashset!=null) {
3208 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3209 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3211 DNFFlag dflag=fen.getDNF();
3212 numberterms+=dflag.size();
3214 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3216 for(int j=0; j<dflag.size(); j++) {
3218 output.println(",");
3219 Vector term=dflag.get(j);
3222 for(int k=0; k<term.size(); k++) {
3223 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3224 FlagDescriptor fd=dfa.getFlag();
3225 boolean negated=dfa.getNegated();
3226 int flagid=1<<((Integer)flags.get(fd)).intValue();
3231 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3236 output.println("};\n");
3239 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3240 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3243 for(int j=0; j<tagel.numTags(); j++) {
3245 output.println(",");
3246 TempDescriptor tmp=tagel.getTemp(j);
3247 if (!slotnumber.containsKey(tmp)) {
3248 Integer slotint=new Integer(current_slot++);
3249 slotnumber.put(tmp,slotint);
3251 int slot=slotnumber.get(tmp).intValue();
3252 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3254 numtags = tagel.numTags();
3256 output.println("};");
3258 //store the result into a predicatemember struct
3259 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3260 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3261 output.println("/* number of dnf terms */"+numberterms+",");
3262 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3263 output.println("/* number of tag */"+numtags+",");
3264 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3265 output.println("};\n");
3270 //generate an array that stores the entire predicate
3271 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3272 for( int j = 0; j<predicateindex; j++) {
3273 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3274 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3276 output.println("};\n");
3277 return predicateindex;
3281 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3282 generateOptionalHeader(headers);
3284 output.println("#include \"optionalstruct.h\"\n\n");
3285 output.println("#include \"stdlib.h\"\n");
3287 HashSet processedcd = new HashSet();
3289 Enumeration e = safeexecution.keys();
3290 while (e.hasMoreElements()) {
3293 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3294 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3296 //Generate the struct of optionals
3297 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3298 numotd = c_otd.size();
3299 if(maxotd<numotd) maxotd = numotd;
3300 if( !c_otd.isEmpty() ) {
3301 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3302 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3304 //generate the int arrays for the predicate
3305 Predicate predicate = otd.predicate;
3306 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3307 TreeSet<Integer> fsset=new TreeSet<Integer>();
3308 //iterate through possible FSes corresponding to
3309 //the state when entering
3311 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3312 FlagState fs = (FlagState)fses.next();
3314 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3315 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3316 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3319 fsset.add(new Integer(flagid));
3320 //tag information not needed because tag
3321 //changes are not tolerated.
3324 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3325 boolean needcomma=false;
3326 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3329 output.println(it.next());
3332 output.println("};\n");
3335 //generate optionaltaskdescriptor that actually
3336 //includes exit fses, predicate and the task
3338 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3339 output.println("&task_"+otd.td.getSafeSymbol()+",");
3340 output.println("/*index*/"+otd.getIndex()+",");
3341 output.println("/*number of enter flags*/"+fsset.size()+",");
3342 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3343 output.println("/*number of members */"+predicateindex+",");
3344 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3345 output.println("};\n");
3349 // if there are no optionals, there is no need to build the rest of the struct
3351 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3352 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3353 if( !c_otd.isEmpty() ) {
3354 boolean needcomma=false;
3355 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3356 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3358 output.println(",");
3360 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3363 output.println("};\n");
3365 //get all the possible flagstates reachable by an object
3366 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3368 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3369 fsts.addAll(hashtbtemp.keySet());
3370 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3371 FlagState fs = (FlagState)fsit.next();
3374 //get the set of OptionalTaskDescriptors corresponding
3375 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3376 //iterate through the OptionalTaskDescriptors and
3377 //store the pointers to the optionals struct (see on
3378 //top) into an array
3380 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3381 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3382 OptionalTaskDescriptor mm = mos.next();
3384 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3386 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3389 output.println("};\n");
3391 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3394 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3395 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3396 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3400 //process tag information
3403 boolean first = true;
3404 Enumeration tag_enum = fs.getTags();
3405 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3406 while(tag_enum.hasMoreElements()) {
3408 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3412 output.println(", ");
3413 output.println("/*tagid*/"+state.getTagId(tagd));
3415 output.println("};");
3417 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3418 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3419 TaskIndex ti=itti.next();
3423 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3425 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3426 boolean needcomma=false;
3427 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3428 OptionalTaskDescriptor otd=otdit.next();
3432 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3434 output.println("};");
3436 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3437 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3438 output.print(ti.getIndex()+", ");
3439 output.print(otdset.size()+", ");
3440 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3441 output.println("};");
3444 tiset=sa.getTaskIndex(fs);
3445 boolean needcomma=false;
3447 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3448 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3449 TaskIndex ti=itti.next();
3450 if (ti.isRuntime()) {
3457 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3459 output.println("};\n");
3461 //Store the result in fsanalysiswrapper
3463 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3464 output.println("/*flag*/"+flagid+",");
3465 output.println("/* number of tags*/"+tagcounter+",");
3466 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3467 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3468 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3469 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3470 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3471 output.println("};\n");
3475 //Build the array of fsanalysiswrappers
3476 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3477 boolean needcomma=false;
3478 for(int i = 0; i<fscounter; i++) {
3479 if (needcomma) output.print(",");
3480 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3483 output.println("};");
3485 //Build the classanalysiswrapper referring to the previous array
3486 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3487 output.println("/*type*/"+cdtemp.getId()+",");
3488 output.println("/*numotd*/"+numotd+",");
3489 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3490 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3491 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3492 processedcd.add(cdtemp);
3495 //build an array containing every classes for which code has been build
3496 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3497 for(int i=0; i<state.numClasses(); i++) {
3498 ClassDescriptor cn=cdarray[i];
3501 if ((cn != null) && (processedcd.contains(cn)))
3502 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3504 output.print("NULL");
3506 output.println("};");
3508 output.println("#define MAXOTD "+maxotd);
3509 headers.println("#endif");
3512 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3513 Relation r=new Relation();
3514 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3515 OptionalTaskDescriptor otd=otdit.next();
3516 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3520 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3521 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3522 Set s=r.get(it.next());
3523 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3524 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3532 // override these methods in a subclass of BuildCode
3533 // to generate code for additional systems
3534 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3536 protected void outputTransCode(PrintWriter output) {
3538 protected void buildCodeSetup() {
3540 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3542 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3544 protected void preCodeGenInitialization() {
3546 protected void postCodeGenCleanUp() {
3548 protected void additionalCodeGen(PrintWriter outmethodheader,
3549 PrintWriter outstructs,
3550 PrintWriter outmethod) {
3552 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3554 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3556 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3558 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3560 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3562 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3564 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3566 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3568 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3571 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3572 // we do not print out line number if no one explicitly set the number
3573 if(fn.getNumLine()!=-1){
3575 int lineNum=fn.getNumLine();
3577 // do not generate the line number if it is same as the previous one
3578 boolean needtoprint;
3579 if(fn.prev.size()==0){
3585 for(int i=0;i<fn.prev.size();i++){
3586 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3587 if(prevLineNum!=lineNum){
3593 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());