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\"");
461 // always include: compiler directives will leave out
462 // instrumentation when option is not set
463 if(!state.MULTICORE) {
464 outmethod.println("#include \"coreprof/coreprof.h\"");
467 if (state.FASTCHECK) {
468 outmethod.println("#include \"localobjects.h\"");
470 if(state.MULTICORE) {
472 outmethod.println("#include \"task.h\"");
474 outmethod.println("#include \"multicoreruntime.h\"");
475 outmethod.println("#include \"runtime_arch.h\"");
477 if (state.THREAD||state.DSM||state.SINGLETM) {
478 outmethod.println("#include <thread.h>");
481 outmethod.println("#include \"thread.h\"");
483 if (state.main!=null) {
484 outmethod.println("#include <string.h>");
486 if (state.CONSCHECK) {
487 outmethod.println("#include \"checkers.h\"");
491 additionalIncludesMethodsImplementation(outmethod);
493 outmethod.println("struct global_defs_t * global_defs_p;");
494 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
495 //Store the sizes of classes & array elements
496 generateSizeArray(outmethod);
498 //Store table of supertypes
499 generateSuperTypeTable(outmethod);
501 //Store the layout of classes
502 generateLayoutStructs(outmethod);
505 additionalCodeAtTopMethodsImplementation(outmethod);
507 generateMethods(outmethod);
510 protected void generateMethods(PrintWriter outmethod) {
511 /* Generate code for methods */
512 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
513 while(classit.hasNext()) {
514 ClassDescriptor cn=(ClassDescriptor)classit.next();
515 Iterator methodit=cn.getMethods();
516 while(methodit.hasNext()) {
517 /* Classify parameters */
518 MethodDescriptor md=(MethodDescriptor)methodit.next();
519 if (!callgraph.isCallable(md)) {
523 FlatMethod fm=state.getMethodFlat(md);
524 if (!md.getModifiers().isNative()) {
525 generateFlatMethod(fm, outmethod);
526 } else if (state.JNI) {
527 generateNativeFlatMethod(fm, outmethod);
533 protected void outputStructs(PrintWriter outstructs) {
534 outstructs.println("#ifndef STRUCTDEFS_H");
535 outstructs.println("#define STRUCTDEFS_H");
536 outstructs.println("#include \"classdefs.h\"");
537 outstructs.println("#ifndef INTPTR");
538 outstructs.println("#ifdef BIT64");
539 outstructs.println("#define INTPTR long");
540 outstructs.println("#else");
541 outstructs.println("#define INTPTR int");
542 outstructs.println("#endif");
543 outstructs.println("#endif");
546 additionalIncludesStructsHeader(outstructs);
549 /* Output #defines that the runtime uses to determine type
550 * numbers for various objects it needs */
551 outstructs.println("#define MAXCOUNT "+maxcount);
553 outstructs.println("#define STRINGARRAYTYPE "+
554 (state.getArrayNumber(
555 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
557 outstructs.println("#define OBJECTARRAYTYPE "+
558 (state.getArrayNumber(
559 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
562 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
563 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
564 outstructs.println("#define CHARARRAYTYPE "+
565 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
567 outstructs.println("#define BYTEARRAYTYPE "+
568 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
570 outstructs.println("#define BYTEARRAYARRAYTYPE "+
571 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
573 outstructs.println("#define NUMCLASSES "+state.numClasses());
574 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
575 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
577 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
578 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
579 outstructs.println("#define TAGARRAYTYPE "+
580 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
584 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
585 if (state.THREAD||state.DSM||state.SINGLETM)
586 outclassdefs.println("#include <pthread.h>");
587 outclassdefs.println("#ifndef INTPTR");
588 outclassdefs.println("#ifdef BIT64");
589 outclassdefs.println("#define INTPTR long");
590 outclassdefs.println("#else");
591 outclassdefs.println("#define INTPTR int");
592 outclassdefs.println("#endif");
593 outclassdefs.println("#endif");
595 outclassdefs.println("#include \"optionalstruct.h\"");
596 outclassdefs.println("struct "+arraytype+";");
597 /* Start by declaring all structs */
598 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
599 while(it.hasNext()) {
600 ClassDescriptor cn=(ClassDescriptor)it.next();
601 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
603 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
604 // this class has static fields/blocks, need to add a global flag to
605 // indicate if its static fields have been initialized and/or if its
606 // static blocks have been executed
607 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
610 outclassdefs.println("");
611 //Print out definition for array type
612 outclassdefs.println("struct "+arraytype+" {");
613 outclassdefs.println(" int type;");
614 outclassdefs.println(" int hashcode;");
616 additionalClassObjectFields(outclassdefs);
619 if (state.EVENTMONITOR) {
620 outclassdefs.println(" int objuid;");
623 outclassdefs.println(" volatile int tid;");
624 outclassdefs.println(" volatile int notifycount;");
627 outclassdefs.println(" int mutex;");
628 outclassdefs.println(" volatile int notifycount;");
629 outclassdefs.println(" volatile int objlock;");
630 if(state.MULTICOREGC) {
631 outclassdefs.println(" int marked;");
635 outclassdefs.println(" int flag;");
636 outclassdefs.println(" int ___cachedCode___;");
637 if(!state.MULTICORE) {
638 outclassdefs.println(" void * flagptr;");
640 outclassdefs.println(" int version;");
641 outclassdefs.println(" int * lock;"); // lock entry for this obj
642 outclassdefs.println(" int mutex;");
643 outclassdefs.println(" volatile int lockcount;");
644 outclassdefs.println(" volatile int notifycount;");
645 if(state.MULTICOREGC) {
646 outclassdefs.println(" int marked;");
650 outclassdefs.println(" int numfses;");
651 outclassdefs.println(" int * fses;");
655 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
656 printedfieldstbl.clear();
657 printExtraArrayFields(outclassdefs);
658 if (state.ARRAYPAD) {
659 outclassdefs.println(" int paddingforarray;");
662 outclassdefs.println(" int ___length___;");
663 outclassdefs.println("};\n");
665 outclassdefs.println("");
666 outclassdefs.println("extern int classsize[];");
667 outclassdefs.println("extern int hasflags[];");
668 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
669 outclassdefs.println("extern int* supertypes[];");
670 outclassdefs.println("");
673 /** Prints out definitions for generic task structures */
675 protected void outputTaskTypes(PrintWriter outtask) {
676 outtask.println("#ifndef _TASK_H");
677 outtask.println("#define _TASK_H");
678 outtask.println("struct parameterdescriptor {");
679 outtask.println("int type;");
680 outtask.println("int numberterms;");
681 outtask.println("int *intarray;");
682 outtask.println("void * queue;");
683 outtask.println("int numbertags;");
684 outtask.println("int *tagarray;");
685 outtask.println("};");
687 outtask.println("struct taskdescriptor {");
688 outtask.println("void * taskptr;");
689 outtask.println("int numParameters;");
690 outtask.println(" int numTotal;");
691 outtask.println("struct parameterdescriptor **descriptorarray;");
692 outtask.println("char * name;");
693 outtask.println("};");
694 outtask.println("extern struct taskdescriptor * taskarray[];");
695 outtask.println("extern numtasks;");
696 outtask.println("#endif");
700 protected void buildRepairStructs(PrintWriter outrepairstructs) {
701 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
702 while(classit.hasNext()) {
703 ClassDescriptor cn=(ClassDescriptor)classit.next();
704 outrepairstructs.println("structure "+cn.getSymbol()+" {");
705 outrepairstructs.println(" int __type__;");
707 outrepairstructs.println(" int __flag__;");
708 if(!state.MULTICORE) {
709 outrepairstructs.println(" int __flagptr__;");
712 printRepairStruct(cn, outrepairstructs);
713 outrepairstructs.println("}\n");
716 for(int i=0; i<state.numArrays(); i++) {
717 TypeDescriptor tdarray=arraytable[i];
718 TypeDescriptor tdelement=tdarray.dereference();
719 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
720 outrepairstructs.println(" int __type__;");
721 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
722 outrepairstructs.println(" int length;");
723 outrepairstructs.println("}\n");
727 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
728 ClassDescriptor sp=cn.getSuperDesc();
730 printRepairStruct(sp, output);
732 Vector fields=(Vector)fieldorder.get(cn);
734 for(int i=0; i<fields.size(); i++) {
735 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
736 if (fd.getType().isArray()) {
737 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
738 } else if (fd.getType().isClass())
739 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
740 else if (fd.getType().isFloat())
741 output.println(" int "+fd.getSymbol()+"; /* really float */");
743 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
747 /** This method outputs TaskDescriptor information */
748 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
749 for (int i=0; i<task.numParameters(); i++) {
750 VarDescriptor param_var=task.getParameter(i);
751 TypeDescriptor param_type=task.getParamType(i);
752 FlagExpressionNode param_flag=task.getFlag(param_var);
753 TagExpressionList param_tag=task.getTag(param_var);
756 if (param_flag==null) {
757 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
758 output.println("0x0, 0x0 };");
761 DNFFlag dflag=param_flag.getDNF();
762 dnfterms=dflag.size();
764 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
765 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
766 for(int j=0; j<dflag.size(); j++) {
769 Vector term=dflag.get(j);
772 for(int k=0; k<term.size(); k++) {
773 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
774 FlagDescriptor fd=dfa.getFlag();
775 boolean negated=dfa.getNegated();
776 int flagid=1<<((Integer)flags.get(fd)).intValue();
781 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
783 output.println("};");
786 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
788 for(int j=0; j<param_tag.numTags(); j++) {
791 /* for each tag we need */
792 /* which slot it is */
793 /* what type it is */
794 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
795 TempDescriptor tmp=param_tag.getTemp(j);
796 int slot=fm.getTagInt(tmp);
797 output.println(slot+", "+state.getTagId(tvd.getTag()));
799 output.println("};");
801 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
802 output.println("/* type */"+param_type.getClassDesc().getId()+",");
803 output.println("/* number of DNF terms */"+dnfterms+",");
804 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
805 output.println("0,");
807 output.println("/* number of tags */"+param_tag.numTags()+",");
809 output.println("/* number of tags */ 0,");
810 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
811 output.println("};");
815 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
816 for (int i=0; i<task.numParameters(); i++) {
819 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
821 output.println("};");
823 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
824 output.println("&"+task.getSafeSymbol()+",");
825 output.println("/* number of parameters */" +task.numParameters() + ",");
826 int numtotal=task.numParameters()+fm.numTags();
827 output.println("/* number total parameters */" +numtotal + ",");
828 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
829 output.println("\""+task.getSymbol()+"\"");
830 output.println("};");
834 /** The buildVirtualTables method outputs the virtual dispatch
835 * tables for methods. */
837 protected void buildVirtualTables(PrintWriter outvirtual) {
838 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
839 while(classit.hasNext()) {
840 ClassDescriptor cd=(ClassDescriptor)classit.next();
841 if (virtualcalls.getMethodCount(cd)>maxcount)
842 maxcount=virtualcalls.getMethodCount(cd);
844 MethodDescriptor[][] virtualtable=null;
845 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
847 /* Fill in virtual table */
848 classit=state.getClassSymbolTable().getDescriptorsIterator();
849 while(classit.hasNext()) {
850 ClassDescriptor cd=(ClassDescriptor)classit.next();
851 if(cd.isInterface()) {
854 fillinRow(cd, virtualtable, cd.getId());
857 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
858 Iterator arrayit=state.getArrayIterator();
859 while(arrayit.hasNext()) {
860 TypeDescriptor td=(TypeDescriptor)arrayit.next();
861 int id=state.getArrayNumber(td);
862 fillinRow(objectcd, virtualtable, id+state.numClasses());
865 outvirtual.print("void * virtualtable[]={");
866 boolean needcomma=false;
867 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
868 for(int j=0; j<maxcount; j++) {
870 outvirtual.print(", ");
871 if (virtualtable[i][j]!=null) {
872 MethodDescriptor md=virtualtable[i][j];
873 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
875 outvirtual.print("0");
879 outvirtual.println("");
881 outvirtual.println("};");
885 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
886 /* Get inherited methods */
887 Iterator it_sifs = cd.getSuperInterfaces();
888 while(it_sifs.hasNext()) {
889 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
890 fillinRow(superif, virtualtable, rownum);
892 if (cd.getSuperDesc()!=null)
893 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
894 /* Override them with our methods */
895 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
896 MethodDescriptor md=(MethodDescriptor)it.next();
897 if (md.isStatic()||md.getReturnType()==null)
900 if (!callgraph.isCallable(md)) {
904 int methodnum = virtualcalls.getMethodNumber(md);
905 virtualtable[rownum][methodnum]=md;
909 /** Generate array that contains the sizes of class objects. The
910 * object allocation functions in the runtime use this
913 protected void generateSizeArray(PrintWriter outclassdefs) {
914 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
915 generateSizeArrayExtensions(outclassdefs);
917 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
918 cdarray=new ClassDescriptor[state.numClasses()];
919 ifarray = new ClassDescriptor[state.numInterfaces()];
922 while(it.hasNext()) {
923 ClassDescriptor cd=(ClassDescriptor)it.next();
924 if(cd.isInterface()) {
925 ifarray[cd.getId()] = cd;
927 cdarray[cd.getId()] = cd;
931 arraytable=new TypeDescriptor[state.numArrays()];
933 Iterator arrayit=state.getArrayIterator();
934 while(arrayit.hasNext()) {
935 TypeDescriptor td=(TypeDescriptor)arrayit.next();
936 int id=state.getArrayNumber(td);
940 /* Print out types */
941 outclassdefs.println("/* ");
942 for(int i=0; i<state.numClasses(); i++) {
943 ClassDescriptor cd=cdarray[i];
945 outclassdefs.println("NULL " + i);
947 outclassdefs.println(cd +" "+i);
951 for(int i=0; i<state.numArrays(); i++) {
952 TypeDescriptor arraytd=arraytable[i];
953 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
956 for(int i=0; i<state.numInterfaces(); i++) {
957 ClassDescriptor ifcd = ifarray[i];
958 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
961 outclassdefs.println("*/");
964 outclassdefs.print("int classsize[]={");
966 boolean needcomma=false;
967 for(int i=0; i<state.numClasses(); i++) {
969 outclassdefs.print(", ");
971 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
973 outclassdefs.print("0");
979 for(int i=0; i<state.numArrays(); i++) {
981 outclassdefs.print(", ");
982 TypeDescriptor tdelement=arraytable[i].dereference();
983 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
984 outclassdefs.print("sizeof(void *)");
986 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
990 for(int i=0; i<state.numInterfaces(); i++) {
992 outclassdefs.print(", ");
993 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
997 outclassdefs.println("};");
999 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1001 outclassdefs.print("int typearray[]={");
1002 for(int i=0; i<state.numClasses(); i++) {
1003 ClassDescriptor cd=cdarray[i];
1004 ClassDescriptor supercd=i>0 ? cd.getSuperDesc() : null;
1005 if(supercd != null && supercd.isInterface()) {
1006 throw new Error("Super class can not be interfaces");
1009 outclassdefs.print(", ");
1011 outclassdefs.print("-1");
1013 outclassdefs.print(supercd.getId());
1017 for(int i=0; i<state.numArrays(); i++) {
1018 TypeDescriptor arraytd=arraytable[i];
1019 ClassDescriptor arraycd=arraytd.getClassDesc();
1020 if (arraycd==null) {
1022 outclassdefs.print(", ");
1023 outclassdefs.print(objectclass.getId());
1027 ClassDescriptor cd=arraycd.getSuperDesc();
1030 TypeDescriptor supertd=new TypeDescriptor(cd);
1031 supertd.setArrayCount(arraytd.getArrayCount());
1032 type=state.getArrayNumber(supertd);
1034 type+=state.numClasses();
1037 cd=cd.getSuperDesc();
1040 outclassdefs.print(", ");
1041 outclassdefs.print(type);
1045 for(int i=0; i<state.numInterfaces(); i++) {
1046 ClassDescriptor cd=ifarray[i];
1047 ClassDescriptor supercd=cd.getSuperDesc();
1048 if(supercd != null && supercd.isInterface()) {
1049 throw new Error("Super class can not be interfaces");
1052 outclassdefs.print(", ");
1054 outclassdefs.print("-1");
1056 outclassdefs.print(supercd.getId());
1060 outclassdefs.println("};");
1065 outclassdefs.print("int typearray2[]={");
1066 for(int i=0; i<state.numArrays(); i++) {
1067 TypeDescriptor arraytd=arraytable[i];
1068 ClassDescriptor arraycd=arraytd.getClassDesc();
1069 if (arraycd==null) {
1071 outclassdefs.print(", ");
1072 outclassdefs.print("-1");
1076 ClassDescriptor cd=arraycd.getSuperDesc();
1077 int level=arraytd.getArrayCount()-1;
1079 for(; level>0; level--) {
1080 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1081 supertd.setArrayCount(level);
1082 type=state.getArrayNumber(supertd);
1084 type+=state.numClasses();
1089 outclassdefs.print(", ");
1090 outclassdefs.print(type);
1094 outclassdefs.println("};");
1097 /** Constructs params and temp objects for each method or task.
1098 * These objects tell the compiler which temps need to be
1101 protected void generateTempStructs(FlatMethod fm) {
1102 MethodDescriptor md=fm.getMethod();
1103 TaskDescriptor task=fm.getTask();
1104 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1106 paramstable.put(md, objectparams);
1108 paramstable.put(task, objectparams);
1110 for(int i=0; i<fm.numParameters(); i++) {
1111 TempDescriptor temp=fm.getParameter(i);
1112 TypeDescriptor type=temp.getType();
1113 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1114 objectparams.addPtr(temp);
1116 objectparams.addPrim(temp);
1119 for(int i=0; i<fm.numTags(); i++) {
1120 TempDescriptor temp=fm.getTag(i);
1121 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1122 objectparams.addPtr(temp);
1124 objectparams.addPrim(temp);
1127 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1129 tempstable.put(md, objecttemps);
1131 tempstable.put(task, objecttemps);
1133 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1134 FlatNode fn=(FlatNode)nodeit.next();
1135 TempDescriptor[] writes=fn.writesTemps();
1136 for(int i=0; i<writes.length; i++) {
1137 TempDescriptor temp=writes[i];
1138 TypeDescriptor type=temp.getType();
1139 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1140 objecttemps.addPtr(temp);
1142 objecttemps.addPrim(temp);
1147 /** This method outputs the following information about classes
1149 * (1) For classes, what are the locations of pointers.
1150 * (2) For arrays, does the array contain pointers or primitives.
1151 * (3) For classes, does the class contain flags.
1154 protected void generateLayoutStructs(PrintWriter output) {
1155 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1156 while(it.hasNext()) {
1157 ClassDescriptor cn=(ClassDescriptor)it.next();
1158 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1159 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1161 while(allit.hasNext()) {
1162 FieldDescriptor fd=(FieldDescriptor)allit.next();
1166 TypeDescriptor type=fd.getType();
1170 output.print(count);
1171 allit=cn.getFieldTable().getAllDescriptorsIterator();
1172 while(allit.hasNext()) {
1173 FieldDescriptor fd=(FieldDescriptor)allit.next();
1177 TypeDescriptor type=fd.getType();
1179 output.println(",");
1180 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1181 fd.getSafeSymbol()+"))");
1184 output.println("};");
1187 output.println("unsigned INTPTR * pointerarray[]={");
1188 boolean needcomma=false;
1189 for(int i=0; i<state.numClasses(); i++) {
1190 ClassDescriptor cn=cdarray[i];
1192 output.println(",");
1195 output.print(cn.getSafeSymbol()+"_pointers");
1197 output.print("NULL");
1201 for(int i=0; i<state.numArrays(); i++) {
1203 output.println(", ");
1204 TypeDescriptor tdelement=arraytable[i].dereference();
1205 if (tdelement.isArray()||tdelement.isClass())
1206 output.print("((unsigned INTPTR *)1)");
1212 output.println("};");
1214 output.println("int hasflags[]={");
1215 for(int i=0; i<state.numClasses(); i++) {
1216 ClassDescriptor cn=cdarray[i];
1218 output.println(", ");
1220 if ((cn != null) && (cn.hasFlags()))
1225 output.println("};");
1228 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1231 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1232 supertd.setArrayCount(arraytd.getArrayCount());
1233 type=state.getArrayNumber(supertd);
1238 ClassDescriptor cd = arraycd.getSuperDesc();
1240 type = checkarraysupertype(cd, arraytd);
1246 Iterator it_sifs = arraycd.getSuperInterfaces();
1247 while(it_sifs.hasNext()) {
1248 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1249 type = checkarraysupertype(ifcd, arraytd);
1259 /** Print out table to give us supertypes */
1260 protected void generateSuperTypeTable(PrintWriter output) {
1261 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1262 for(int i=0; i<state.numClasses(); i++) {
1263 ClassDescriptor cn=cdarray[i];
1267 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1268 boolean ncomma = false;
1270 if((cn != null) && (cn.getSuperDesc() != null)) {
1273 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1274 while(it_sifs != null && it_sifs.hasNext()) {
1280 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1284 ClassDescriptor cdsuper=cn.getSuperDesc();
1285 output.print(cdsuper.getId());
1287 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1288 while(it_sifs != null && it_sifs.hasNext()) {
1292 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1295 output.println("};");
1298 for(int i=0; i<state.numArrays(); i++) {
1299 TypeDescriptor arraytd=arraytable[i];
1300 ClassDescriptor arraycd=arraytd.getClassDesc();
1301 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1302 boolean ncomma = false;
1304 if (arraycd==null) {
1308 output.print(objectclass.getId());
1309 output.println("};");
1312 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1315 Iterator it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1316 while(it_sifs != null && it_sifs.hasNext()) {
1322 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1323 ClassDescriptor cd=arraycd.getSuperDesc();
1326 type = checkarraysupertype(cd, arraytd);
1328 type += state.numClasses();
1335 it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1336 while(it_sifs != null && it_sifs.hasNext()) {
1337 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1338 int type = checkarraysupertype(ifcd , arraytd);
1340 type += state.numClasses();
1346 output.println("};");
1349 for(int i=0; i<state.numInterfaces(); i++) {
1350 ClassDescriptor cn=ifarray[i];
1354 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1355 boolean ncomma = false;
1357 if((cn != null) && (cn.getSuperDesc() != null)) {
1360 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1361 while(it_sifs != null && it_sifs.hasNext()) {
1367 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1371 ClassDescriptor cdsuper=cn.getSuperDesc();
1372 output.print(cdsuper.getId());
1374 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1375 while(it_sifs != null && it_sifs.hasNext()) {
1379 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1382 output.println("};");
1385 output.println("int* supertypes[]={");
1386 boolean needcomma=false;
1387 for(int i=0; i<state.numClasses(); i++) {
1388 ClassDescriptor cn=cdarray[i];
1390 output.println(",");
1393 output.print("supertypes" + cn.getSafeSymbol());
1399 for(int i=0; i<state.numArrays(); i++) {
1401 output.println(",");
1403 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1406 for(int i=0; i<state.numInterfaces(); i++) {
1407 ClassDescriptor cn=ifarray[i];
1409 output.println(",");
1411 output.print("supertypes" + cn.getSafeSymbol());
1413 output.println("};");
1416 /** Force consistent field ordering between inherited classes. */
1418 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1420 ClassDescriptor sp=cn.getSuperDesc();
1422 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1424 SymbolTable sitbl = cn.getSuperInterfaceTable();
1425 Iterator it_sifs = sitbl.getDescriptorsIterator();
1426 while(it_sifs.hasNext()) {
1427 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1428 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1431 if (!fieldorder.containsKey(cn)) {
1432 Vector fields=new Vector();
1433 fieldorder.put(cn,fields);
1435 Vector fieldvec=cn.getFieldVec();
1437 for(int i=0; i<fieldvec.size(); i++) {
1438 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1439 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1442 it_sifs = sitbl.getDescriptorsIterator();
1443 while(it_sifs.hasNext()) {
1444 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1445 if(si.getFieldTable().contains(fd.getSymbol())) {
1453 //Vector fields=(Vector)fieldorder.get(cn);
1455 Vector fields = cn.getFieldVec();
1457 for(int i=0; i<fields.size(); i++) {
1458 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1459 String fstring = fd.getSafeSymbol();
1460 if(printedfieldstbl.containsKey(fstring)) {
1461 printedfieldstbl.put(fstring, cn);
1464 printedfieldstbl.put(fstring, cn);
1466 if (fd.getType().isClass()
1467 && fd.getType().getClassDesc().isEnum()) {
1468 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1469 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1470 if (fd.isStatic()) {
1471 // TODO add version for normal Java later
1473 if(globaldefout != null) {
1474 if(fd.isVolatile()) {
1475 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1477 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1481 } else if (fd.isVolatile()) {
1483 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1485 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1487 } else if (fd.isStatic()) {
1488 // TODO add version for normal Java later
1490 if(globaldefout != null) {
1491 if(fd.isVolatile()) {
1492 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1494 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1497 } else if (fd.isVolatile()) {
1499 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1501 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1506 /* Map flags to integers consistently between inherited
1509 protected void mapFlags(ClassDescriptor cn) {
1510 ClassDescriptor sp=cn.getSuperDesc();
1514 if (!flagorder.containsKey(cn)) {
1515 Hashtable flags=new Hashtable();
1516 flagorder.put(cn,flags);
1518 Hashtable superflags=(Hashtable)flagorder.get(sp);
1519 Iterator superflagit=superflags.keySet().iterator();
1520 while(superflagit.hasNext()) {
1521 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1522 Integer number=(Integer)superflags.get(fd);
1523 flags.put(fd, number);
1524 if ((number.intValue()+1)>max)
1525 max=number.intValue()+1;
1529 Iterator flagit=cn.getFlags();
1530 while(flagit.hasNext()) {
1531 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1532 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1533 flags.put(fd, new Integer(max++));
1539 /** This function outputs (1) structures that parameters are
1540 * passed in (when PRECISE GC is enabled) and (2) function
1541 * prototypes for the methods */
1543 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1544 /* Output class structure */
1545 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1546 classdefout.println(" int type;");
1547 classdefout.println(" int hashcode;");
1549 additionalClassObjectFields(classdefout);
1552 if (state.EVENTMONITOR) {
1553 classdefout.println(" int objuid;");
1556 classdefout.println(" volatile int tid;");
1557 classdefout.println(" volatile int notifycount;");
1560 classdefout.println(" int mutex;");
1561 classdefout.println(" volatile int notifycount;");
1562 classdefout.println(" volatile int objlock;");
1563 if(state.MULTICOREGC) {
1564 classdefout.println(" int marked;");
1568 classdefout.println(" int flag;");
1569 classdefout.println(" int ___cachedCode___;");
1570 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1571 classdefout.println(" void * flagptr;");
1572 } else if (state.MULTICORE) {
1573 classdefout.println(" int version;");
1574 classdefout.println(" int * lock;"); // lock entry for this obj
1575 classdefout.println(" int mutex;");
1576 classdefout.println(" int lockcount;");
1577 if(state.MULTICOREGC) {
1578 classdefout.println(" int marked;");
1581 if (state.OPTIONAL) {
1582 classdefout.println(" int numfses;");
1583 classdefout.println(" int * fses;");
1586 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1587 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1588 classdefout.println("};\n");
1589 generateCallStructsMethods(cn, output, headersout);
1593 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1594 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1595 MethodDescriptor md=(MethodDescriptor)methodit.next();
1597 if (!callgraph.isCallable(md)) {
1601 generateMethod(cn, md, headersout, output);
1605 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1606 /* Output parameter structure */
1607 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1608 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1609 // generate the staticinit version
1610 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1612 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1613 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1614 output.println(" int size;");
1615 output.println(" void * next;");
1616 for(int i=0; i<objectparams.numPointers(); i++) {
1617 TempDescriptor temp=objectparams.getPointer(i);
1618 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1619 output.println(" int " + temp.getSafeSymbol() + ";");
1621 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1624 output.println("};\n");
1627 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1628 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1629 output.println(" int size;");
1630 output.println(" void * next;");
1631 for(int i=0; i<objectparams.numPointers(); i++) {
1632 TempDescriptor temp=objectparams.getPointer(i);
1633 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1634 output.println(" int " + temp.getSafeSymbol() + ";");
1636 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1639 output.println("};\n");
1643 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1644 FlatMethod fm=state.getMethodFlat(md);
1645 generateTempStructs(fm);
1647 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1648 TempObject objecttemps=(TempObject) tempstable.get(md);
1650 boolean printcomma = false;
1652 generateMethodParam(cn, md, output);
1654 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1655 // generate the staticinit version
1656 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1658 /* Output temp structure */
1659 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1660 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1661 output.println(" int size;");
1662 output.println(" void * next;");
1663 for(int i=0; i<objecttemps.numPointers(); i++) {
1664 TempDescriptor temp=objecttemps.getPointer(i);
1665 if (!temp.getType().isArray() && temp.getType().isNull())
1666 output.println(" void * "+temp.getSafeSymbol()+";");
1668 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1670 output.println("};\n");
1673 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1674 /* First the return type */
1675 if (md.getReturnType()!=null) {
1676 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1677 headersout.println(" int ");
1678 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1679 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1681 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1683 //catch the constructor case
1684 headersout.print("void ");
1686 /* Next the method name */
1687 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1689 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1690 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1694 /* Output parameter list*/
1695 for(int i=0; i<objectparams.numPrimitives(); i++) {
1696 TempDescriptor temp=objectparams.getPrimitive(i);
1698 headersout.print(", ");
1700 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1701 headersout.print("int " + temp.getSafeSymbol());
1702 } else if (temp.getType().isClass()||temp.getType().isArray())
1703 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1705 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1707 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1708 headersout.print(", int linenum");
1710 headersout.println(");\n");
1713 /* Output temp structure */
1714 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1715 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1716 output.println(" int size;");
1717 output.println(" void * next;");
1718 for(int i=0; i<objecttemps.numPointers(); i++) {
1719 TempDescriptor temp=objecttemps.getPointer(i);
1720 if (!temp.getType().isArray() && temp.getType().isNull())
1721 output.println(" void * "+temp.getSafeSymbol()+";");
1723 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1725 output.println("};\n");
1728 /********* Output method declaration ***********/
1729 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1730 /* First the return type */
1731 if (md.getReturnType()!=null) {
1732 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1733 headersout.println(" int ");
1734 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1735 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1737 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1739 //catch the constructor case
1740 headersout.print("void ");
1742 /* Next the method name */
1743 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1745 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1746 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1750 /* Output parameter list*/
1751 for(int i=0; i<objectparams.numPrimitives(); i++) {
1752 TempDescriptor temp=objectparams.getPrimitive(i);
1754 headersout.print(", ");
1756 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1757 headersout.print("int " + temp.getSafeSymbol());
1758 } else if (temp.getType().isClass()||temp.getType().isArray())
1759 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1761 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1763 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1764 headersout.print(", int linenum");
1766 headersout.println(");\n");
1770 /** This function outputs (1) structures that parameters are
1771 * passed in (when PRECISE GC is enabled) and (2) function
1772 * prototypes for the tasks */
1774 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1775 /* Cycle through tasks */
1776 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1778 while(taskit.hasNext()) {
1779 /* Classify parameters */
1780 TaskDescriptor task=(TaskDescriptor)taskit.next();
1781 FlatMethod fm=state.getMethodFlat(task);
1782 generateTempStructs(fm);
1784 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1785 TempObject objecttemps=(TempObject) tempstable.get(task);
1787 /* Output parameter structure */
1788 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1789 output.println("struct "+task.getSafeSymbol()+"_params {");
1790 output.println(" int size;");
1791 output.println(" void * next;");
1792 for(int i=0; i<objectparams.numPointers(); i++) {
1793 TempDescriptor temp=objectparams.getPointer(i);
1794 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1797 output.println("};\n");
1798 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1799 maxtaskparams=objectparams.numPointers()+fm.numTags();
1803 /* Output temp structure */
1804 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1805 output.println("struct "+task.getSafeSymbol()+"_locals {");
1806 output.println(" int size;");
1807 output.println(" void * next;");
1808 for(int i=0; i<objecttemps.numPointers(); i++) {
1809 TempDescriptor temp=objecttemps.getPointer(i);
1810 if (!temp.getType().isArray() && temp.getType().isNull())
1811 output.println(" void * "+temp.getSafeSymbol()+";");
1812 else if(temp.getType().isTag())
1813 output.println(" struct "+
1814 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1816 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1818 output.println("};\n");
1821 /* Output task declaration */
1822 headersout.print("void " + task.getSafeSymbol()+"(");
1824 boolean printcomma=false;
1825 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1826 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1828 headersout.print("void * parameterarray[]");
1829 headersout.println(");\n");
1833 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1834 MethodDescriptor md=fm.getMethod();
1835 ClassDescriptor cd=md.getClassDesc();
1836 generateHeader(fm, md, outmethod);
1838 outmethod.println("JNIPUSHFRAME();");
1839 if (md.getModifiers().isStatic()) {
1840 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1842 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1845 for(int i=startindex;i<fm.numParameters();i++) {
1846 TempDescriptor tmp=fm.getParameter(i);
1847 if (tmp.getType().isPtr()) {
1848 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
1851 if (GENERATEPRECISEGC) {
1852 outmethod.println("stopforgc((struct garbagelist *)___params___)");
1854 if (md.getReturnType()!=null) {
1855 if (md.getReturnType().isPtr())
1856 outmethod.print("jobject retval=");
1858 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
1860 outmethod.print("Java_");
1861 outmethod.print(cd.getPackage().replace('.','_'));
1862 outmethod.print("_"+md.getSymbol()+"(");
1863 outmethod.print("JNI_vtable, rec");
1865 for(int i=startindex;i<fm.numParameters();i++) {
1866 outmethod.print(", ");
1867 TempDescriptor tmp=fm.getParameter(i);
1868 if (tmp.getType().isPtr()) {
1869 outmethod.print("param"+i);
1871 outmethod.print(generateTemp(fm, tmp));
1874 outmethod.println(");");
1875 if (GENERATEPRECISEGC) {
1876 outmethod.println("restartaftergc()");
1878 if (md.getReturnType()!=null) {
1879 if (md.getReturnType().isPtr()) {
1880 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
1881 outmethod.println("JNIPOPFRAME();");
1882 outmethod.println("return retobj;");
1884 outmethod.println("JNIPOPFRAME();");
1885 outmethod.println("return retval;");
1888 outmethod.println("}");
1891 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1892 if (State.PRINTFLAT)
1893 System.out.println(fm.printMethod());
1894 MethodDescriptor md=fm.getMethod();
1895 TaskDescriptor task=fm.getTask();
1896 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1897 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null ? md : task);
1899 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1900 // generate a special static init version
1901 mgcstaticinit = true;
1902 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1904 generateHeader(fm, md!=null ? md : task,output);
1905 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1907 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1908 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1909 output.print(objecttemp.numPointers()+",");
1910 output.print(paramsprefix);
1911 for(int j=0; j<objecttemp.numPointers(); j++)
1912 output.print(", NULL");
1913 output.println("};");
1916 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1917 TempDescriptor td=objecttemp.getPrimitive(i);
1918 TypeDescriptor type=td.getType();
1919 if (type.isNull() && !type.isArray())
1920 output.println(" void * "+td.getSafeSymbol()+";");
1921 else if (type.isClass() && type.getClassDesc().isEnum()) {
1922 output.println(" int " + td.getSafeSymbol() + ";");
1923 } else if (type.isClass()||type.isArray())
1924 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1926 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1929 additionalCodeAtTopFlatMethodBody(output, fm);
1931 /* Check to see if we need to do a GC if this is a
1932 * multi-threaded program...*/
1934 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC) {
1935 //Don't bother if we aren't in recursive methods...The loops case will catch it
1936 if (callgraph.getAllMethods(md).contains(md)) {
1937 if (this.state.MULTICOREGC) {
1938 output.println("if(gcflag) gc("+localsprefixaddr+");");
1940 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1945 generateCode(fm.getNext(0), fm, null, output);
1947 output.println("}\n\n");
1949 mgcstaticinit = false;
1952 generateHeader(fm, md!=null ? md : task,output);
1953 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1955 if((md != null) && (md.isStaticBlock())) {
1956 mgcstaticinit = true;
1959 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1961 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1963 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1964 output.print(objecttemp.numPointers()+",");
1965 output.print(paramsprefix);
1966 for(int j=0; j<objecttemp.numPointers(); j++)
1967 output.print(", NULL");
1968 output.println("};");
1971 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1972 TempDescriptor td=objecttemp.getPrimitive(i);
1973 TypeDescriptor type=td.getType();
1974 if (type.isNull() && !type.isArray())
1975 output.println(" void * "+td.getSafeSymbol()+";");
1976 else if (type.isClass() && type.getClassDesc().isEnum()) {
1977 output.println(" int " + td.getSafeSymbol() + ";");
1978 } else if (type.isClass()||type.isArray())
1979 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1981 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1984 additionalCodeAtTopFlatMethodBody(output, fm);
1986 /* Check to see if we need to do a GC if this is a
1987 * multi-threaded program...*/
1989 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1990 || this.state.MULTICOREGC) {
1991 //Don't bother if we aren't in recursive methods...The loops case will catch it
1992 if (callgraph.getAllMethods(md).contains(md)) {
1993 if (this.state.MULTICOREGC) {
1994 output.println("if(gcflag) gc("+localsprefixaddr+");");
1996 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2001 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2002 // a static block, check if it has been executed
2003 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2004 output.println(" return;");
2005 output.println(" }");
2009 generateCode(fm.getNext(0), fm, null, output);
2011 output.println("}\n\n");
2013 mgcstaticinit = false;
2016 protected void generateCode(FlatNode first,
2018 Set<FlatNode> stopset,
2019 PrintWriter output) {
2021 /* Assign labels to FlatNode's if necessary.*/
2023 Hashtable<FlatNode, Integer> nodetolabel;
2025 nodetolabel=assignLabels(first, stopset);
2027 Set<FlatNode> storeset=null;
2028 HashSet<FlatNode> genset=null;
2029 HashSet<FlatNode> refset=null;
2030 Set<FlatNode> unionset=null;
2032 /* Do the actual code generation */
2033 FlatNode current_node=null;
2034 HashSet tovisit=new HashSet();
2035 HashSet visited=new HashSet();
2037 while(current_node!=null||!tovisit.isEmpty()) {
2038 if (current_node==null) {
2039 current_node=(FlatNode)tovisit.iterator().next();
2040 tovisit.remove(current_node);
2041 } else if (tovisit.contains(current_node)) {
2042 tovisit.remove(current_node);
2044 visited.add(current_node);
2045 if (nodetolabel.containsKey(current_node)) {
2046 output.println("L"+nodetolabel.get(current_node)+":");
2048 if (state.INSTRUCTIONFAILURE) {
2050 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2052 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2054 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2056 generateFlatNode(fm, current_node, output);
2058 if (state.OOOJAVA && stopset!=null) {
2059 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2060 assert current_node instanceof FlatSESEExitNode;
2061 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2062 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2063 assert fsen.getFlatExit().equals(fsxn);
2064 assert fsxn.getFlatEnter().equals(fsen);
2066 if (current_node.kind()!=FKind.FlatReturnNode) {
2067 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2068 // a static block, check if it has been executed
2069 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2072 output.println(" return;");
2075 } else if(current_node.numNext()==1) {
2077 if (state.OOOJAVA &&
2078 current_node.kind()==FKind.FlatSESEEnterNode) {
2079 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2080 generateFlatNode(fm, current_node, output);
2081 nextnode=fsen.getFlatExit().getNext(0);
2084 generateFlatNode(fm, current_node, output);
2085 nextnode=current_node.getNext(0);
2087 if (visited.contains(nextnode)) {
2088 output.println("goto L"+nodetolabel.get(nextnode)+";");
2091 current_node=nextnode;
2092 } else if (current_node.numNext()==2) {
2095 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2096 if (!visited.contains(current_node.getNext(1)))
2097 tovisit.add(current_node.getNext(1));
2098 if (visited.contains(current_node.getNext(0))) {
2099 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2102 current_node=current_node.getNext(0);
2103 } else throw new Error();
2107 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2108 HashSet tovisit=new HashSet();
2109 HashSet visited=new HashSet();
2111 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2114 /*Assign labels first. A node needs a label if the previous
2115 * node has two exits or this node is a join point. */
2117 while(!tovisit.isEmpty()) {
2118 FlatNode fn=(FlatNode)tovisit.iterator().next();
2123 if(lastset!=null&&lastset.contains(fn)) {
2124 // if last is not null and matches, don't go
2125 // any further for assigning labels
2129 for(int i=0; i<fn.numNext(); i++) {
2130 FlatNode nn=fn.getNext(i);
2133 //1) Edge >1 of node
2134 nodetolabel.put(nn,new Integer(labelindex++));
2136 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2140 nodetolabel.put(nn,new Integer(labelindex++));
2147 /** Generate text string that corresponds to the TempDescriptor td. */
2148 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2149 MethodDescriptor md=fm.getMethod();
2150 TaskDescriptor task=fm.getTask();
2151 TempObject objecttemps=(TempObject) tempstable.get(md!=null ? md : task);
2153 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2154 return td.getSafeSymbol();
2157 if (objecttemps.isLocalPtr(td)) {
2158 return localsprefixderef+td.getSafeSymbol();
2161 if (objecttemps.isParamPtr(td)) {
2162 return paramsprefix+"->"+td.getSafeSymbol();
2170 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2171 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2172 additionalCodePreNode(fm, fn, output);
2175 case FKind.FlatAtomicEnterNode:
2176 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2179 case FKind.FlatAtomicExitNode:
2180 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2183 case FKind.FlatInstanceOfNode:
2184 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2187 case FKind.FlatSESEEnterNode:
2188 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2191 case FKind.FlatSESEExitNode:
2192 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2195 case FKind.FlatWriteDynamicVarNode:
2196 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2199 case FKind.FlatGlobalConvNode:
2200 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2203 case FKind.FlatTagDeclaration:
2204 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2207 case FKind.FlatCall:
2208 generateFlatCall(fm, (FlatCall) fn,output);
2211 case FKind.FlatFieldNode:
2212 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2215 case FKind.FlatElementNode:
2216 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2219 case FKind.FlatSetElementNode:
2220 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2223 case FKind.FlatSetFieldNode:
2224 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2228 generateFlatNew(fm, (FlatNew) fn,output);
2231 case FKind.FlatOpNode:
2232 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2235 case FKind.FlatCastNode:
2236 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2239 case FKind.FlatLiteralNode:
2240 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2243 case FKind.FlatReturnNode:
2244 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2248 output.println("/* nop */");
2251 case FKind.FlatGenReachNode:
2252 // this node is just for generating a reach graph
2253 // in disjointness analysis at a particular program point
2256 case FKind.FlatExit:
2257 output.println("/* exit */");
2260 case FKind.FlatBackEdge:
2261 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2264 case FKind.FlatCheckNode:
2265 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2268 case FKind.FlatFlagActionNode:
2269 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2272 case FKind.FlatPrefetchNode:
2273 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2276 case FKind.FlatOffsetNode:
2277 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2284 additionalCodePostNode(fm, fn, output);
2287 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2288 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2289 || (this.state.MULTICOREGC)) {
2290 if(this.state.MULTICOREGC) {
2291 output.println("if (gcflag) gc("+localsprefixaddr+");");
2293 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2296 output.println("/* nop */");
2299 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2300 output.println("/* FlatOffsetNode */");
2301 FieldDescriptor fd=fofn.getField();
2302 if(!fd.isStatic()) {
2303 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2304 fd.getSafeSymbol()+");");
2306 output.println("/* offset */");
2309 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2312 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2315 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2318 if (fion.getType().isArray()) {
2319 type=state.getArrayNumber(fion.getType())+state.numClasses();
2320 } else if (fion.getType().getClassDesc().isInterface()) {
2321 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2323 type=fion.getType().getClassDesc().getId();
2325 if (fion.getSrc().getType().isArray()) {
2326 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2327 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2328 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2330 otype=fion.getSrc().getType().getClassDesc().getId();
2333 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2334 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2336 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2340 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2343 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2346 public void generateFlatSESEEnterNode(FlatMethod fm,
2347 FlatSESEEnterNode fsen,
2348 PrintWriter output) {
2349 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2350 // just skip over them and code generates exactly the same
2353 public void generateFlatSESEExitNode(FlatMethod fm,
2354 FlatSESEExitNode fsexn,
2355 PrintWriter output) {
2356 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2357 // just skip over them and code generates exactly the same
2360 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2361 FlatWriteDynamicVarNode fwdvn,
2362 PrintWriter output) {
2366 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2367 if (state.CONSCHECK) {
2368 String specname=fcn.getSpec();
2369 String varname="repairstate___";
2370 output.println("{");
2371 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2373 TempDescriptor[] temps=fcn.getTemps();
2374 String[] vars=fcn.getVars();
2375 for(int i=0; i<temps.length; i++) {
2376 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2379 output.println("if (doanalysis"+specname+"("+varname+")) {");
2380 output.println("free"+specname+"_state("+varname+");");
2381 output.println("} else {");
2382 output.println("/* Bad invariant */");
2383 output.println("free"+specname+"_state("+varname+");");
2384 output.println("abort_task();");
2385 output.println("}");
2386 output.println("}");
2390 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2391 MethodDescriptor md=fc.getMethod();
2392 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2393 ClassDescriptor cn=md.getClassDesc();
2394 String mdstring = md.getSafeMethodDescriptor();
2395 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2396 mdstring += "staticinit";
2399 // if the called method is a static block or a static method or a constructor
2400 // need to check if it can be invoked inside some static block
2401 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2402 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2403 if(!md.isInvokedByStatic()) {
2404 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2406 // is a static block or is invoked in some static block
2407 ClassDescriptor cd = fm.getMethod().getClassDesc();
2408 if(cd != cn && mgcstaticinit) {
2409 // generate static init check code if it has not done static init in main()
2410 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2411 // need to check if the class' static fields have been initialized and/or
2412 // its static blocks have been executed
2413 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2414 if(cn.getNumStaticBlocks() != 0) {
2415 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2416 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2417 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2418 output.println("0, NULL};");
2419 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2421 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2424 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2426 output.println("}");
2430 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2431 output.println("{");
2432 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2433 output.println("int monitorenterline = __LINE__;");
2435 // call MonitorEnter/MonitorExit on a class obj
2436 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2437 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2438 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2439 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2440 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2442 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2445 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2446 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2447 + fc.getThis().getType().getClassDesc().getId() + "]));");
2449 output.println("}");
2453 output.println("{");
2454 if(md.getSymbol().equals("MonitorEnter")) {
2455 output.println("int monitorenterline = __LINE__;");
2457 if (GENERATEPRECISEGC || state.MULTICOREGC) {
2458 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2459 output.print(objectparams.numPointers());
2460 output.print(", "+localsprefixaddr);
2461 if (md.getThis()!=null) {
2463 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2465 if (fc.getThis()!=null&&md.getThis()==null) {
2466 System.out.println("WARNING!!!!!!!!!!!!");
2467 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2470 for(int i=0; i<fc.numArgs(); i++) {
2471 Descriptor var=md.getParameter(i);
2472 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2473 if (objectparams.isParamPtr(paramtemp)) {
2474 TempDescriptor targ=fc.getArg(i);
2476 TypeDescriptor td=md.getParamType(i);
2478 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2480 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2483 output.println("};");
2488 if (fc.getReturnTemp()!=null)
2489 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2491 /* Do we need to do virtual dispatch? */
2493 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2495 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2499 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2500 output.print("int ");
2501 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2502 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2504 output.print(md.getReturnType().getSafeSymbol()+" ");
2505 output.print("(*)(");
2507 boolean printcomma=false;
2508 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2509 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2513 for(int i=0; i<objectparams.numPrimitives(); i++) {
2514 TempDescriptor temp=objectparams.getPrimitive(i);
2518 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2519 output.print("int ");
2520 } else if (temp.getType().isClass()||temp.getType().isArray())
2521 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2523 output.print(temp.getType().getSafeSymbol());
2526 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2527 output.print(", int");
2529 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2533 boolean needcomma=false;
2534 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2535 output.print("&__parameterlist__");
2539 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2540 if (fc.getThis()!=null) {
2541 TypeDescriptor ptd=null;
2542 if(md.getThis() != null) {
2543 ptd = md.getThis().getType();
2545 ptd = fc.getThis().getType();
2549 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2551 } else if (ptd.isClass()&&!ptd.isArray())
2552 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2553 output.print(generateTemp(fm,fc.getThis()));
2558 for(int i=0; i<fc.numArgs(); i++) {
2559 Descriptor var=md.getParameter(i);
2560 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2561 if (objectparams.isParamPrim(paramtemp)) {
2562 TempDescriptor targ=fc.getArg(i);
2566 TypeDescriptor ptd=md.getParamType(i);
2567 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2569 } else if (ptd.isClass()&&!ptd.isArray())
2570 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2571 output.print(generateTemp(fm, targ));
2575 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2576 output.println(", monitorenterline);");
2578 output.println(");");
2580 output.println(" }");
2583 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2584 if(thiscd.isInterface()) {
2585 // for interfaces, always need virtual dispatch
2588 Set subclasses=typeutil.getSubClasses(thiscd);
2589 if (subclasses==null)
2591 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2592 ClassDescriptor cd=(ClassDescriptor)classit.next();
2593 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2594 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2595 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2596 if (md.matches(matchmd))
2604 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2606 if(ffn.getField().isStatic()) {
2608 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2609 // is a static block or is invoked in some static block
2610 ClassDescriptor cd = fm.getMethod().getClassDesc();
2611 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2613 // the same class, do nothing
2614 } else if(mgcstaticinit) {
2615 // generate the static init check code if has not done the static init in main()
2616 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2617 // need to check if the class' static fields have been initialized and/or
2618 // its static blocks have been executed
2619 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2620 if(cn.getNumStaticBlocks() != 0) {
2621 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2622 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2623 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2624 output.println("0, NULL};");
2625 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2627 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2630 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2632 output.println("}");
2636 // redirect to the global_defs_p structure
2637 if (ffn.getField().getType().isPtr())
2638 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2640 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2641 } else if (ffn.getField().isEnum()) {
2642 // an Enum value, directly replace the field access as int
2643 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2645 output.println("#ifdef MULTICORE_DEBUG");
2646 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2647 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2648 if(state.MULTICOREGC) {
2649 output.println("failednullptr(&___locals___);");
2651 output.println("failednullptr(NULL);");
2653 output.println("}");
2654 output.println("#endif //MULTICORE_DEBUG");
2655 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2660 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2661 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2662 throw new Error("Can't set array length");
2663 if (state.FASTCHECK) {
2664 String dst=generateTemp(fm, fsfn.getDst());
2665 output.println("if(!"+dst+"->"+localcopystr+") {");
2666 /* Link object into list */
2667 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2668 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2670 output.println("COPY_OBJ("+dst+");");
2671 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2672 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2673 output.println("}");
2676 if(fsfn.getField().isStatic()) {
2678 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2679 // is a static block or is invoked in some static block
2680 ClassDescriptor cd = fm.getMethod().getClassDesc();
2681 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2682 if(cd != cn && mgcstaticinit){
2683 // generate static init check code if has not done the static init in main()
2684 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2685 // need to check if the class' static fields have been initialized and/or
2686 // its static blocks have been executed
2687 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2688 if(cn.getNumStaticBlocks() != 0) {
2689 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2690 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2691 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2692 output.println("0, NULL};");
2693 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2695 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2698 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2700 output.println("}");
2704 // redirect to the global_defs_p structure
2705 if (fsfn.getField().getType().isPtr()) {
2706 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2707 output.println("global_defs_p->" +
2708 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2710 output.println("global_defs_p->" +
2711 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2713 output.println("global_defsprim_p->" +
2714 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2716 output.println("#ifdef MULTICORE_DEBUG");
2717 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2718 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2719 if(state.MULTICOREGC) {
2720 output.println("failednullptr(&___locals___);");
2722 output.println("failednullptr(NULL);");
2724 output.println("}");
2725 output.println("#endif //MULTICORE_DEBUG");
2726 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2727 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2728 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2730 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2731 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2736 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2737 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2740 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2742 } else if (elementtype.isArray()||elementtype.isClass())
2745 type=elementtype.getSafeSymbol()+" ";
2747 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2748 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2749 output.println("failedboundschk(" + (boundschknum++) + ");");
2751 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2754 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2755 //TODO: need dynamic check to make sure this assignment is actually legal
2756 //Because Object[] could actually be something more specific...ie. Integer[]
2758 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2761 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2763 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2766 type=elementtype.getSafeSymbol()+" ";
2768 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2769 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2770 output.println("failedboundschk(" + (boundschknum++) + ");");
2772 if (state.FASTCHECK) {
2773 String dst=generateTemp(fm, fsen.getDst());
2774 output.println("if(!"+dst+"->"+localcopystr+") {");
2775 /* Link object into list */
2776 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2777 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2779 output.println("COPY_OBJ("+dst+");");
2780 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2781 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2782 output.println("}");
2784 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2788 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2789 if (fn.getType().isArray()) {
2790 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2791 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2792 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2794 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2797 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2798 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2800 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2803 if (state.FASTCHECK) {
2804 String dst=generateTemp(fm,fn.getDst());
2805 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2806 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2807 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2811 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2812 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2813 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2815 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2819 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2820 if (fon.getRight()!=null) {
2821 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2822 if (fon.getLeft().getType().isLong())
2823 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2825 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2828 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2829 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2831 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2833 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2834 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2835 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2837 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2838 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2839 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2840 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2841 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2842 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2843 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2844 else if (fon.getOp().getOp()==Operation.COMP)
2845 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2846 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2847 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2849 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2852 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2853 /* TODO: Do type check here */
2854 if (fcn.getType().isArray()) {
2855 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2856 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2857 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2858 } else if (fcn.getType().isClass())
2859 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2861 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2866 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2867 if (fln.getValue()==null)
2868 output.println(generateTemp(fm, fln.getDst())+"=0;");
2869 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2870 String str=(String)fln.getValue();
2871 output.println("{");
2872 output.print("short str"+flncount+"[]={");
2873 for(int i=0;i<str.length();i++) {
2876 output.print(((int)str.charAt(i)));
2878 output.println("};");
2879 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2880 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
2882 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
2884 output.println("}");
2886 } else if (fln.getType().isBoolean()) {
2887 if (((Boolean)fln.getValue()).booleanValue())
2888 output.println(generateTemp(fm, fln.getDst())+"=1;");
2890 output.println(generateTemp(fm, fln.getDst())+"=0;");
2891 } else if (fln.getType().isChar()) {
2892 int val=(int)(((Character)fln.getValue()).charValue());
2893 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
2894 } else if (fln.getType().isLong()) {
2895 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2897 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2900 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2901 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2902 // a static block, check if it has been executed
2903 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2907 if (frn.getReturnTemp()!=null) {
2908 if (frn.getReturnTemp().getType().isPtr())
2909 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2911 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2913 output.println("return;");
2917 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2918 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2921 /** This method generates header information for the method or
2922 * task referenced by the Descriptor des. */
2923 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2924 generateHeader(fm, des, output, false);
2927 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2929 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2930 MethodDescriptor md=null;
2931 TaskDescriptor task=null;
2932 if (des instanceof MethodDescriptor)
2933 md=(MethodDescriptor) des;
2935 task=(TaskDescriptor) des;
2936 String mdstring = md != null ? md.getSafeMethodDescriptor() : null;
2938 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2940 if (md!=null&&md.getReturnType()!=null) {
2941 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2942 output.print("int ");
2943 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2944 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2946 output.print(md.getReturnType().getSafeSymbol()+" ");
2948 //catch the constructor case
2949 output.print("void ");
2951 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2952 mdstring += "staticinit";
2954 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2956 output.print(task.getSafeSymbol()+"(");
2958 boolean printcomma=false;
2959 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2961 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2963 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2969 for(int i=0; i<objectparams.numPrimitives(); i++) {
2970 TempDescriptor temp=objectparams.getPrimitive(i);
2974 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2975 output.print("int " + temp.getSafeSymbol());
2976 } else if (temp.getType().isClass()||temp.getType().isArray())
2977 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2979 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2981 output.println(") {");
2982 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2983 /* Imprecise Task */
2984 output.println("void * parameterarray[]) {");
2985 /* Unpack variables */
2986 for(int i=0; i<objectparams.numPrimitives(); i++) {
2987 TempDescriptor temp=objectparams.getPrimitive(i);
2988 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2989 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2991 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2994 for(int i=0; i<fm.numTags(); i++) {
2995 TempDescriptor temp=fm.getTag(i);
2996 int offset=i+objectparams.numPrimitives();
2997 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3000 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3001 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3002 } else output.println(") {");
3005 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3006 output.println("/* FlatFlagActionNode */");
3009 /* Process tag changes */
3010 Relation tagsettable=new Relation();
3011 Relation tagcleartable=new Relation();
3013 Iterator tagsit=ffan.getTempTagPairs();
3014 while (tagsit.hasNext()) {
3015 TempTagPair ttp=(TempTagPair) tagsit.next();
3016 TempDescriptor objtmp=ttp.getTemp();
3017 TagDescriptor tag=ttp.getTag();
3018 TempDescriptor tagtmp=ttp.getTagTemp();
3019 boolean tagstatus=ffan.getTagChange(ttp);
3021 tagsettable.put(objtmp, tagtmp);
3023 tagcleartable.put(objtmp, tagtmp);
3028 Hashtable flagandtable=new Hashtable();
3029 Hashtable flagortable=new Hashtable();
3031 /* Process flag changes */
3032 Iterator flagsit=ffan.getTempFlagPairs();
3033 while(flagsit.hasNext()) {
3034 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3035 TempDescriptor temp=tfp.getTemp();
3036 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3037 FlagDescriptor flag=tfp.getFlag();
3039 //Newly allocate objects that don't set any flags case
3040 if (flagortable.containsKey(temp)) {
3044 flagortable.put(temp,new Integer(mask));
3046 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3047 boolean flagstatus=ffan.getFlagChange(tfp);
3050 if (flagortable.containsKey(temp)) {
3051 mask=((Integer)flagortable.get(temp)).intValue();
3054 flagortable.put(temp,new Integer(mask));
3056 int mask=0xFFFFFFFF;
3057 if (flagandtable.containsKey(temp)) {
3058 mask=((Integer)flagandtable.get(temp)).intValue();
3060 mask&=(0xFFFFFFFF^flagid);
3061 flagandtable.put(temp,new Integer(mask));
3067 HashSet flagtagset=new HashSet();
3068 flagtagset.addAll(flagortable.keySet());
3069 flagtagset.addAll(flagandtable.keySet());
3070 flagtagset.addAll(tagsettable.keySet());
3071 flagtagset.addAll(tagcleartable.keySet());
3073 Iterator ftit=flagtagset.iterator();
3074 while(ftit.hasNext()) {
3075 TempDescriptor temp=(TempDescriptor)ftit.next();
3078 Set tagtmps=tagcleartable.get(temp);
3079 if (tagtmps!=null) {
3080 Iterator tagit=tagtmps.iterator();
3081 while(tagit.hasNext()) {
3082 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3083 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3084 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3086 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3090 tagtmps=tagsettable.get(temp);
3091 if (tagtmps!=null) {
3092 Iterator tagit=tagtmps.iterator();
3093 while(tagit.hasNext()) {
3094 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3095 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3096 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3098 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3103 int andmask=0xFFFFFFF;
3105 if (flagortable.containsKey(temp))
3106 ormask=((Integer)flagortable.get(temp)).intValue();
3107 if (flagandtable.containsKey(temp))
3108 andmask=((Integer)flagandtable.get(temp)).intValue();
3109 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3110 generateObjectDistribute(ffan, fm, temp, output);
3114 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3115 PrintWriter output, int ormask, int andmask) {
3116 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3117 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3119 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3123 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3124 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3127 void generateOptionalHeader(PrintWriter headers) {
3130 headers.println("#include \"task.h\"\n\n");
3131 headers.println("#ifndef _OPTIONAL_STRUCT_");
3132 headers.println("#define _OPTIONAL_STRUCT_");
3134 //STRUCT PREDICATEMEMBER
3135 headers.println("struct predicatemember{");
3136 headers.println("int type;");
3137 headers.println("int numdnfterms;");
3138 headers.println("int * flags;");
3139 headers.println("int numtags;");
3140 headers.println("int * tags;\n};\n\n");
3142 //STRUCT OPTIONALTASKDESCRIPTOR
3143 headers.println("struct optionaltaskdescriptor{");
3144 headers.println("struct taskdescriptor * task;");
3145 headers.println("int index;");
3146 headers.println("int numenterflags;");
3147 headers.println("int * enterflags;");
3148 headers.println("int numpredicatemembers;");
3149 headers.println("struct predicatemember ** predicatememberarray;");
3150 headers.println("};\n\n");
3152 //STRUCT TASKFAILURE
3153 headers.println("struct taskfailure {");
3154 headers.println("struct taskdescriptor * task;");
3155 headers.println("int index;");
3156 headers.println("int numoptionaltaskdescriptors;");
3157 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3159 //STRUCT FSANALYSISWRAPPER
3160 headers.println("struct fsanalysiswrapper{");
3161 headers.println("int flags;");
3162 headers.println("int numtags;");
3163 headers.println("int * tags;");
3164 headers.println("int numtaskfailures;");
3165 headers.println("struct taskfailure ** taskfailurearray;");
3166 headers.println("int numoptionaltaskdescriptors;");
3167 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3169 //STRUCT CLASSANALYSISWRAPPER
3170 headers.println("struct classanalysiswrapper{");
3171 headers.println("int type;");
3172 headers.println("int numotd;");
3173 headers.println("struct optionaltaskdescriptor ** otdarray;");
3174 headers.println("int numfsanalysiswrappers;");
3175 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3177 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3179 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3180 while(taskit.hasNext()) {
3181 TaskDescriptor td=(TaskDescriptor)taskit.next();
3182 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3187 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3188 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3189 int predicateindex = 0;
3190 //iterate through the classes concerned by the predicate
3191 Set c_vard = predicate.vardescriptors;
3192 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3195 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3196 VarDescriptor vard = (VarDescriptor)vard_it.next();
3197 TypeDescriptor typed = vard.getType();
3199 //generate for flags
3200 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3201 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3203 if (fen_hashset!=null) {
3204 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3205 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3207 DNFFlag dflag=fen.getDNF();
3208 numberterms+=dflag.size();
3210 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3212 for(int j=0; j<dflag.size(); j++) {
3214 output.println(",");
3215 Vector term=dflag.get(j);
3218 for(int k=0; k<term.size(); k++) {
3219 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3220 FlagDescriptor fd=dfa.getFlag();
3221 boolean negated=dfa.getNegated();
3222 int flagid=1<<((Integer)flags.get(fd)).intValue();
3227 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3232 output.println("};\n");
3235 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3236 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3239 for(int j=0; j<tagel.numTags(); j++) {
3241 output.println(",");
3242 TempDescriptor tmp=tagel.getTemp(j);
3243 if (!slotnumber.containsKey(tmp)) {
3244 Integer slotint=new Integer(current_slot++);
3245 slotnumber.put(tmp,slotint);
3247 int slot=slotnumber.get(tmp).intValue();
3248 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3250 numtags = tagel.numTags();
3252 output.println("};");
3254 //store the result into a predicatemember struct
3255 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3256 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3257 output.println("/* number of dnf terms */"+numberterms+",");
3258 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3259 output.println("/* number of tag */"+numtags+",");
3260 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3261 output.println("};\n");
3266 //generate an array that stores the entire predicate
3267 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3268 for( int j = 0; j<predicateindex; j++) {
3269 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3270 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3272 output.println("};\n");
3273 return predicateindex;
3277 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3278 generateOptionalHeader(headers);
3280 output.println("#include \"optionalstruct.h\"\n\n");
3281 output.println("#include \"stdlib.h\"\n");
3283 HashSet processedcd = new HashSet();
3285 Enumeration e = safeexecution.keys();
3286 while (e.hasMoreElements()) {
3289 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3290 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3292 //Generate the struct of optionals
3293 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3294 numotd = c_otd.size();
3295 if(maxotd<numotd) maxotd = numotd;
3296 if( !c_otd.isEmpty() ) {
3297 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3298 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3300 //generate the int arrays for the predicate
3301 Predicate predicate = otd.predicate;
3302 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3303 TreeSet<Integer> fsset=new TreeSet<Integer>();
3304 //iterate through possible FSes corresponding to
3305 //the state when entering
3307 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3308 FlagState fs = (FlagState)fses.next();
3310 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3311 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3312 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3315 fsset.add(new Integer(flagid));
3316 //tag information not needed because tag
3317 //changes are not tolerated.
3320 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3321 boolean needcomma=false;
3322 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3325 output.println(it.next());
3328 output.println("};\n");
3331 //generate optionaltaskdescriptor that actually
3332 //includes exit fses, predicate and the task
3334 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3335 output.println("&task_"+otd.td.getSafeSymbol()+",");
3336 output.println("/*index*/"+otd.getIndex()+",");
3337 output.println("/*number of enter flags*/"+fsset.size()+",");
3338 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3339 output.println("/*number of members */"+predicateindex+",");
3340 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3341 output.println("};\n");
3345 // if there are no optionals, there is no need to build the rest of the struct
3347 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3348 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3349 if( !c_otd.isEmpty() ) {
3350 boolean needcomma=false;
3351 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3352 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3354 output.println(",");
3356 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3359 output.println("};\n");
3361 //get all the possible flagstates reachable by an object
3362 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3364 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3365 fsts.addAll(hashtbtemp.keySet());
3366 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3367 FlagState fs = (FlagState)fsit.next();
3370 //get the set of OptionalTaskDescriptors corresponding
3371 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3372 //iterate through the OptionalTaskDescriptors and
3373 //store the pointers to the optionals struct (see on
3374 //top) into an array
3376 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3377 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3378 OptionalTaskDescriptor mm = mos.next();
3380 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3382 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3385 output.println("};\n");
3387 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3390 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3391 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3392 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3396 //process tag information
3399 boolean first = true;
3400 Enumeration tag_enum = fs.getTags();
3401 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3402 while(tag_enum.hasMoreElements()) {
3404 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3408 output.println(", ");
3409 output.println("/*tagid*/"+state.getTagId(tagd));
3411 output.println("};");
3413 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3414 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3415 TaskIndex ti=itti.next();
3419 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3421 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3422 boolean needcomma=false;
3423 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3424 OptionalTaskDescriptor otd=otdit.next();
3428 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3430 output.println("};");
3432 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3433 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3434 output.print(ti.getIndex()+", ");
3435 output.print(otdset.size()+", ");
3436 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3437 output.println("};");
3440 tiset=sa.getTaskIndex(fs);
3441 boolean needcomma=false;
3443 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3444 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3445 TaskIndex ti=itti.next();
3446 if (ti.isRuntime()) {
3453 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3455 output.println("};\n");
3457 //Store the result in fsanalysiswrapper
3459 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3460 output.println("/*flag*/"+flagid+",");
3461 output.println("/* number of tags*/"+tagcounter+",");
3462 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3463 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3464 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3465 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3466 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3467 output.println("};\n");
3471 //Build the array of fsanalysiswrappers
3472 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3473 boolean needcomma=false;
3474 for(int i = 0; i<fscounter; i++) {
3475 if (needcomma) output.print(",");
3476 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3479 output.println("};");
3481 //Build the classanalysiswrapper referring to the previous array
3482 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3483 output.println("/*type*/"+cdtemp.getId()+",");
3484 output.println("/*numotd*/"+numotd+",");
3485 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3486 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3487 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3488 processedcd.add(cdtemp);
3491 //build an array containing every classes for which code has been build
3492 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3493 for(int i=0; i<state.numClasses(); i++) {
3494 ClassDescriptor cn=cdarray[i];
3497 if ((cn != null) && (processedcd.contains(cn)))
3498 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3500 output.print("NULL");
3502 output.println("};");
3504 output.println("#define MAXOTD "+maxotd);
3505 headers.println("#endif");
3508 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3509 Relation r=new Relation();
3510 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3511 OptionalTaskDescriptor otd=otdit.next();
3512 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3516 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3517 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3518 Set s=r.get(it.next());
3519 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3520 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3528 // override these methods in a subclass of BuildCode
3529 // to generate code for additional systems
3530 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3532 protected void outputTransCode(PrintWriter output) {
3534 protected void buildCodeSetup() {
3536 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3538 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3540 protected void preCodeGenInitialization() {
3542 protected void postCodeGenCleanUp() {
3544 protected void additionalCodeGen(PrintWriter outmethodheader,
3545 PrintWriter outstructs,
3546 PrintWriter outmethod) {
3548 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3550 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3552 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3554 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3556 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3558 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3560 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3562 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3564 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3567 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3568 // we do not print out line number if no one explicitly set the number
3569 if(fn.getNumLine()!=-1){
3571 int lineNum=fn.getNumLine();
3573 // do not generate the line number if it is same as the previous one
3574 boolean needtoprint;
3575 if(fn.prev.size()==0){
3581 for(int i=0;i<fn.prev.size();i++){
3582 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3583 if(prevLineNum!=lineNum){
3589 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());