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;
9 import IR.Tree.JavaBuilder;
15 import Analysis.TaskStateAnalysis.FlagState;
16 import Analysis.TaskStateAnalysis.FlagComparator;
17 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
18 import Analysis.TaskStateAnalysis.Predicate;
19 import Analysis.TaskStateAnalysis.SafetyAnalysis;
20 import Analysis.TaskStateAnalysis.TaskIndex;
21 import Analysis.CallGraph.CallGraph;
22 import Analysis.Loops.GlobalFieldType;
23 import Util.CodePrinter;
25 public class BuildCode {
28 Hashtable paramstable;
33 String localsprefix="___locals___";
34 String localsprefixaddr="&"+localsprefix;
35 String localsprefixderef=localsprefix+".";
36 String fcrevert="___fcrevert___";
37 String paramsprefix="___params___";
38 String nextobjstr="___nextobject___";
39 String localcopystr="___localcopy___";
40 public static boolean GENERATEPRECISEGC=false;
41 public static String PREFIX="";
42 public static String arraytype="ArrayObject";
43 public static int flagcount = 0;
45 public TypeUtil typeutil;
46 protected int maxtaskparams=0;
47 protected int maxcount=0;
48 ClassDescriptor[] cdarray;
49 ClassDescriptor[] ifarray;
50 TypeDescriptor[] arraytable;
53 Hashtable<String, ClassDescriptor> printedfieldstbl;
54 int globaldefscount=0;
55 boolean mgcstaticinit = false;
56 JavaBuilder javabuilder;
60 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph, JavaBuilder javabuilder) {
61 this(st, temptovar, typeutil, null, callgraph, javabuilder);
64 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph) {
65 this(st, temptovar, typeutil, null, callgraph, null);
68 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph) {
69 this(st, temptovar, typeutil, sa, callgraph, null);
72 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph, JavaBuilder javabuilder) {
75 this.javabuilder=javabuilder;
76 this.callgraph=callgraph;
77 this.temptovar=temptovar;
78 paramstable=new Hashtable();
79 tempstable=new Hashtable();
80 fieldorder=new Hashtable();
81 flagorder=new Hashtable();
82 this.typeutil=typeutil;
83 State.logEvent("Virtual");
84 virtualcalls=new Virtual(state, null, callgraph);
85 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
86 extensions = new Vector<BuildCodeExtension>();
89 typeutil.getClass( TypeUtil.ObjectClass ).getSafeSymbol();
92 /** The buildCode method outputs C code for all the methods. The Flat
93 * versions of the methods must already be generated and stored in
94 * the State object. */
96 public void buildCode() {
97 /* Create output streams to write to */
98 PrintWriter outclassdefs=null;
99 PrintWriter outstructs=null;
100 PrintWriter outrepairstructs=null;
101 PrintWriter outmethodheader=null;
102 PrintWriter outmethod=null;
103 PrintWriter outvirtual=null;
104 PrintWriter outtask=null;
105 PrintWriter outtaskdefs=null;
106 PrintWriter outoptionalarrays=null;
107 PrintWriter optionalheaders=null;
108 PrintWriter outglobaldefs=null;
109 PrintWriter outglobaldefsprim=null;
110 State.logEvent("Beginning of buildCode");
113 buildCodeSetup(); //EXTENSION POINT
114 for(BuildCodeExtension bcx: extensions) {
115 bcx.buildCodeSetup();
118 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
119 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
120 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
121 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
122 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
123 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
124 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
126 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
127 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
128 if (state.OPTIONAL) {
129 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
130 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
133 if (state.structfile!=null) {
134 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
136 } catch (Exception e) {
141 /* Fix field safe symbols due to shadowing */
142 FieldShadow.handleFieldShadow(state);
144 /* Build the virtual dispatch tables */
145 buildVirtualTables(outvirtual);
147 /* Tag the methods that are invoked by static blocks */
148 tagMethodInvokedByStaticBlock();
150 /* Output includes */
151 outmethodheader.println("#ifndef METHODHEADERS_H");
152 outmethodheader.println("#define METHODHEADERS_H");
153 outmethodheader.println("#include \"structdefs.h\"");
155 if (state.EVENTMONITOR) {
156 outmethodheader.println("#include \"monitor.h\"");
159 additionalIncludesMethodsHeader(outmethodheader);
160 for(BuildCodeExtension bcx: extensions) {
161 bcx.additionalIncludesMethodsHeader(outmethodheader);
164 /* Output Structures */
165 outputStructs(outstructs);
167 initOutputGlobals(outglobaldefs, outglobaldefsprim);
169 outclassdefs.println("#ifndef __CLASSDEF_H_");
170 outclassdefs.println("#define __CLASSDEF_H_");
171 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
173 // Output function prototypes and structures for parameters
174 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
175 while(it.hasNext()) {
176 ClassDescriptor cn=(ClassDescriptor)it.next();
177 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
179 outclassdefs.println("#include \"globaldefs.h\"");
180 outclassdefs.println("#include \"globaldefsprim.h\"");
181 outclassdefs.println("#endif");
182 outclassdefs.close();
184 finalOutputGlobals(outglobaldefs, outglobaldefsprim);
187 /* Map flags to integers */
188 /* The runtime keeps track of flags using these integers */
189 it=state.getClassSymbolTable().getDescriptorsIterator();
190 while(it.hasNext()) {
191 ClassDescriptor cn=(ClassDescriptor)it.next();
195 generateTaskStructs(outstructs, outmethodheader);
197 /* Outputs generic task structures if this is a task
199 outputTaskTypes(outtask);
202 // an opportunity for subclasses to do extra
204 preCodeGenInitialization();
205 for(BuildCodeExtension bcx: extensions) {
206 bcx.preCodeGenInitialization();
209 State.logEvent("Start outputMethods");
210 /* Build the actual methods */
211 outputMethods(outmethod);
212 State.logEvent("End outputMethods");
214 // opportunity for subclasses to gen extra code
215 additionalCodeGen(outmethodheader, outstructs, outmethod);
216 for(BuildCodeExtension bcx: extensions) {
217 bcx.additionalCodeGen(outmethodheader, outstructs, outmethod);
221 /* Output code for tasks */
222 outputTaskCode(outtaskdefs, outmethod);
225 /* Record maximum number of task parameters */
226 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
227 } else if (state.main!=null) {
228 /* Generate main method */
229 outputMainMethod(outmethod);
232 /* Generate information for task with optional parameters */
233 if (state.TASK&&state.OPTIONAL) {
234 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
235 outoptionalarrays.close();
236 optionalheaders.close();
239 /* Output structure definitions for repair tool */
240 if (state.structfile!=null) {
241 buildRepairStructs(outrepairstructs);
242 outrepairstructs.close();
246 outmethodheader.println("#endif");
247 outmethodheader.close();
249 outstructs.println("#endif");
250 outstructs.println();
253 postCodeGenCleanUp();
254 for(BuildCodeExtension bcx: extensions) {
255 bcx.postCodeGenCleanUp();
258 State.logEvent("End of buildCode");
261 protected void initOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
262 // Output the C class declarations
263 // These could mutually reference each other
264 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
265 outglobaldefs.println("#define __GLOBALDEF_H_");
266 outglobaldefs.println("");
267 outglobaldefs.println("struct global_defs_t {");
268 outglobaldefs.println(" int size;");
269 outglobaldefs.println(" void * next;");
270 outglobaldefs.println(" struct ArrayObject * classobjs;");
271 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
272 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
273 outglobaldefsprim.println("");
274 outglobaldefsprim.println("struct global_defsprim_t {");
277 protected void finalOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
278 outglobaldefs.println("};");
279 outglobaldefs.println("");
280 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
281 outglobaldefs.println("#endif");
282 outglobaldefs.flush();
283 outglobaldefs.close();
285 outglobaldefsprim.println("};");
286 outglobaldefsprim.println("");
287 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
288 outglobaldefsprim.println("#endif");
289 outglobaldefsprim.flush();
290 outglobaldefsprim.close();
293 /* This method goes though the call graph and tag those methods that are
294 * invoked inside static blocks
296 protected void tagMethodInvokedByStaticBlock() {
297 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
298 MethodDescriptor current_md=null;
299 HashSet tovisit=new HashSet();
300 HashSet visited=new HashSet();
302 while(it_sclasses.hasNext()) {
303 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
304 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
310 while(!tovisit.isEmpty()) {
311 current_md=(MethodDescriptor)tovisit.iterator().next();
312 tovisit.remove(current_md);
313 visited.add(current_md);
314 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
315 while(it_callee.hasNext()) {
316 Descriptor d = (Descriptor)it_callee.next();
317 if(d instanceof MethodDescriptor) {
318 if(!visited.contains(d)) {
319 ((MethodDescriptor)d).setIsInvokedByStatic(true);
327 /* This code generates code for each static block and static field
329 protected void outputStaticBlocks(PrintWriter outmethod) {
330 // execute all the static blocks and all the static field initializations
331 // execute all the static blocks and all the static field initializations
332 SymbolTable sctbl = this.state.getSClassSymbolTable();
333 Iterator it_sclasses = sctbl.getDescriptorsIterator();
334 Vector<ClassDescriptor> tooutput = new Vector<ClassDescriptor>();
335 Queue<ClassDescriptor> toprocess=new LinkedList<ClassDescriptor>();
336 Vector<ClassDescriptor> outputs = new Vector<ClassDescriptor>();
337 while(it_sclasses.hasNext()) {
338 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
339 if(!outputs.contains(t_cd)) {
344 while(!toprocess.isEmpty()) {
345 ClassDescriptor pcd = toprocess.poll();
346 // check super interfaces
347 Iterator it_sinterfaces = pcd.getSuperInterfaces();
348 while(it_sinterfaces.hasNext()) {
349 ClassDescriptor sint = (ClassDescriptor)it_sinterfaces.next();
350 if(!outputs.contains(sint)) {
352 if(sctbl.contains(sint.getClassName())) {
357 // check super classes
358 ClassDescriptor supercd = pcd.getSuperDesc();
359 if(supercd!=null && !outputs.contains(supercd)) {
360 toprocess.add(supercd);
361 if(sctbl.contains(supercd.getClassName())) {
362 tooutput.add(supercd);
367 for(int i = tooutput.size()-1; i>=0; i--) {
368 ClassDescriptor output = tooutput.elementAt(i);
369 MethodDescriptor t_md = (MethodDescriptor)output.getMethodTable().get("staticblocks");
371 if(t_md != null&&callgraph.isInit(output)) {
372 outmethod.println(" {");
373 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
374 outmethod.print(" struct "+output.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
375 outmethod.println("0, NULL};");
376 outmethod.println(" "+output.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
378 outmethod.println(" "+output.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
380 outmethod.println(" }");
388 /* This code generates code to create a Class object for each class for
391 protected void outputClassObjects(PrintWriter outmethod) {
392 // create a global classobj array
393 outmethod.println(" {");
394 outmethod.println(" int i = 0;");
395 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
396 outmethod.println(" struct garbagelist dummy={0,NULL};");
397 outmethod.println(" global_defs_p->classobjs = allocate_newarray(&dummy, OBJECTARRAYTYPE, "
398 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
400 outmethod.println(" global_defs_p->classobjs = allocate_newarray(OBJECTARRAYTYPE, "
401 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
403 outmethod.println(" for(i = 0; i < " + (state.numClasses()+state.numArrays()+state.numInterfaces()) + "; i++) {");
404 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
405 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(NULL, " +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
407 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(" +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
409 outmethod.println(" }");
410 outmethod.println(" }");
413 /* This code just generates the main C method for java programs.
414 * The main C method packs up the arguments into a string array
415 * and passes it to the java main method. */
417 protected void outputMainMethod(PrintWriter outmethod) {
418 outmethod.println("int main(int argc, const char *argv[]) {");
419 outmethod.println(" int i;");
421 outmethod.println("initializethreads();");
423 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
424 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
425 if (GENERATEPRECISEGC) {
426 outmethod.println(" global_defs_p->size="+globaldefscount+";");
427 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
428 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
429 outmethod.println(" }");
431 outputClassObjects(outmethod);
432 outputStaticBlocks(outmethod);
434 additionalCodeAtTopOfMain(outmethod);
435 for(BuildCodeExtension bcx: extensions) {
436 bcx.additionalCodeAtTopOfMain(outmethod);
440 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
441 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
443 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
445 outmethod.println(" for(i=1;i<argc;i++) {");
446 outmethod.println(" int length=strlen(argv[i]);");
448 ClassDescriptor stringclass=typeutil.getClass(TypeUtil.StringClass);
449 String stringclassstring="struct "+stringclass.getSafeSymbol();
451 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
452 outmethod.println(" "+stringclassstring+" *newstring=NewString(NULL, argv[i], length);");
454 outmethod.println(" "+stringclassstring+" *newstring=NewString(argv[i], length);");
456 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
457 outmethod.println(" }");
460 additionalCodeForCommandLineArgs(outmethod, "stringarray");
461 for(BuildCodeExtension bcx: extensions) {
462 bcx.additionalCodeForCommandLineArgs(outmethod, "stringarray");
466 MethodDescriptor md=typeutil.getMain();
467 ClassDescriptor cd=typeutil.getMainClass();
469 outmethod.println(" {");
470 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
471 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
472 outmethod.println("1, NULL,"+"stringarray};");
473 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
475 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
477 outmethod.println(" }");
480 outmethod.println("pthread_mutex_lock(&gclistlock);");
481 outmethod.println("threadcount--;");
482 outmethod.println("pthread_cond_signal(&gccond);");
483 outmethod.println("pthread_mutex_unlock(&gclistlock);");
486 if (state.EVENTMONITOR) {
487 outmethod.println("dumpdata();");
491 outmethod.println("pthread_exit(NULL);");
494 additionalCodeAtBottomOfMain(outmethod);
495 for(BuildCodeExtension bcx: extensions) {
496 bcx.additionalCodeAtBottomOfMain(outmethod);
500 outmethod.println("}");
503 /* This method outputs code for each task. */
505 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
506 /* Compile task based program */
507 outtaskdefs.println("#include \"task.h\"");
508 outtaskdefs.println("#include \"methodheaders.h\"");
509 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
510 while(taskit.hasNext()) {
511 TaskDescriptor td=(TaskDescriptor)taskit.next();
512 FlatMethod fm=state.getMethodFlat(td);
514 generateFlatMethod(fm, outmethod);
515 generateTaskDescriptor(outtaskdefs, fm, td);
518 //Output task descriptors
519 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
520 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
522 while(taskit.hasNext()) {
523 TaskDescriptor td=(TaskDescriptor)taskit.next();
527 outtaskdefs.println(",");
528 outtaskdefs.print("&task_"+td.getSafeSymbol());
530 outtaskdefs.println("};");
532 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
536 /* This method outputs most of the methods.c file. This includes
537 * some standard includes and then an array with the sizes of
538 * objets and array that stores supertype and then the code for
539 * the Java methods.. */
540 protected void outputMethods(PrintWriter outmethod) {
541 outmethod.println("#include \"methodheaders.h\"");
542 outmethod.println("#include \"virtualtable.h\"");
543 outmethod.println("#include \"runtime.h\"");
545 outmethod.println("#include \"jni-private.h\"");
548 // always include: compiler directives will leave out
549 // instrumentation when option is not set
550 if(!state.MULTICORE) {
551 outmethod.println("#include \"coreprof/coreprof.h\"");
554 if (state.FASTCHECK) {
555 outmethod.println("#include \"localobjects.h\"");
557 if(state.MULTICORE) {
559 outmethod.println("#include \"task.h\"");
561 outmethod.println("#include \"multicoreruntime.h\"");
562 outmethod.println("#include \"runtime_arch.h\"");
564 if (state.THREAD||state.DSM||state.SINGLETM) {
565 outmethod.println("#include <thread.h>");
568 outmethod.println("#include \"thread.h\"");
570 if (state.main!=null) {
571 outmethod.println("#include <string.h>");
573 if (state.SSJAVA_GENCODE_PREVENT_CRASHES){
574 outmethod.println("#include <stdio.h>");
576 if (state.CONSCHECK) {
577 outmethod.println("#include \"checkers.h\"");
580 additionalIncludesMethodsImplementation(outmethod);
581 for(BuildCodeExtension bcx: extensions) {
582 bcx.additionalIncludesMethodsImplementation(outmethod);
585 outmethod.println("struct global_defs_t * global_defs_p;");
586 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
587 //Store the sizes of classes & array elements
588 generateSizeArray(outmethod);
590 //Store table of supertypes
591 generateSuperTypeTable(outmethod);
593 //Store the layout of classes
594 generateLayoutStructs(outmethod);
597 additionalCodeAtTopMethodsImplementation(outmethod);
598 for(BuildCodeExtension bcx: extensions) {
599 bcx.additionalCodeAtTopMethodsImplementation(outmethod);
603 generateMethods(outmethod);
606 protected void generateMethods(PrintWriter outmethod) {
607 /* Generate code for methods */
608 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
609 while(classit.hasNext()) {
610 ClassDescriptor cn=(ClassDescriptor)classit.next();
611 Iterator methodit=cn.getMethods();
612 while(methodit.hasNext()) {
613 /* Classify parameters */
614 MethodDescriptor md=(MethodDescriptor)methodit.next();
615 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
619 FlatMethod fm=state.getMethodFlat(md);
620 if (!md.getModifiers().isNative()) {
621 generateFlatMethod(fm, outmethod);
622 } else if (state.JNI) {
623 generateNativeFlatMethod(fm, outmethod);
629 protected void outputStructs(PrintWriter outstructs) {
630 outstructs.println("#ifndef __STRUCTDEFS_H__");
631 outstructs.println("#define __STRUCTDEFS_H__");
632 outstructs.println("#include \"classdefs.h\"");
633 outstructs.println("#ifndef INTPTR");
634 outstructs.println("#ifdef BIT64");
635 outstructs.println("#define INTPTR long");
636 outstructs.println("#else");
637 outstructs.println("#define INTPTR int");
638 outstructs.println("#endif");
639 outstructs.println("#endif");
642 additionalIncludesStructsHeader(outstructs);
643 for(BuildCodeExtension bcx: extensions) {
644 bcx.additionalIncludesStructsHeader(outstructs);
648 /* Output #defines that the runtime uses to determine type
649 * numbers for various objects it needs */
650 outstructs.println("#define MAXCOUNT "+maxcount);
652 outstructs.println("#define STRINGARRAYTYPE "+
653 (state.getArrayNumber(
654 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
656 outstructs.println("#define OBJECTARRAYTYPE "+
657 (state.getArrayNumber(
658 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
661 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
662 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
663 outstructs.println("#define CHARARRAYTYPE "+
664 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
666 outstructs.println("#define BYTEARRAYTYPE "+
667 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
669 outstructs.println("#define BYTEARRAYARRAYTYPE "+
670 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
672 outstructs.println("#define NUMCLASSES "+state.numClasses());
673 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
674 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
676 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
677 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
678 outstructs.println("#define TAGARRAYTYPE "+
679 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
683 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
684 if (state.THREAD||state.DSM||state.SINGLETM)
685 outclassdefs.println("#include <pthread.h>");
686 outclassdefs.println("#ifndef INTPTR");
687 outclassdefs.println("#ifdef BIT64");
688 outclassdefs.println("#define INTPTR long");
689 outclassdefs.println("#else");
690 outclassdefs.println("#define INTPTR int");
691 outclassdefs.println("#endif");
692 outclassdefs.println("#endif");
694 outclassdefs.println("#include \"optionalstruct.h\"");
695 outclassdefs.println("struct "+arraytype+";");
696 /* Start by declaring all structs */
697 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
698 while(it.hasNext()) {
699 ClassDescriptor cn=(ClassDescriptor)it.next();
700 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
702 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
703 // this class has static fields/blocks, need to add a global flag to
704 // indicate if its static fields have been initialized and/or if its
705 // static blocks have been executed
706 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
709 outclassdefs.println("");
710 //Print out definition for array type
711 outclassdefs.println("struct "+arraytype+" {");
712 outclassdefs.println(" int type;");
713 outclassdefs.println(" int hashcode;");
716 additionalClassObjectFields(outclassdefs);
717 for(BuildCodeExtension bcx: extensions) {
718 bcx.additionalClassObjectFields(outclassdefs);
722 if (state.EVENTMONITOR) {
723 outclassdefs.println(" int objuid;");
726 outclassdefs.println(" volatile int tid;");
727 outclassdefs.println(" volatile int notifycount;");
730 outclassdefs.println(" int mutex;");
731 outclassdefs.println(" volatile int notifycount;");
732 outclassdefs.println(" volatile int objlock;");
733 if(state.MULTICOREGC) {
734 //outclassdefs.println(" int marked;");
737 outclassdefs.println(" int marked;");
738 outclassdefs.println(" void * backward;");
742 outclassdefs.println(" int flag;");
743 outclassdefs.println(" int ___cachedCode___;");
744 if(!state.MULTICORE) {
745 outclassdefs.println(" void * flagptr;");
747 outclassdefs.println(" int version;");
748 outclassdefs.println(" int * lock;"); // lock entry for this obj
749 outclassdefs.println(" int mutex;");
750 outclassdefs.println(" volatile int lockcount;");
751 if(state.MULTICOREGC) {
752 //outclassdefs.println(" int marked;");
755 outclassdefs.println(" int marked;");
756 outclassdefs.println(" void * backward;");
760 outclassdefs.println(" int numfses;");
761 outclassdefs.println(" int * fses;");
765 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
766 printedfieldstbl.clear();
768 printExtraArrayFields(outclassdefs);
769 for(BuildCodeExtension bcx: extensions) {
770 bcx.printExtraArrayFields(outclassdefs);
773 if (state.ARRAYPAD) {
774 outclassdefs.println(" int paddingforarray;");
777 outclassdefs.println(" int ___length___;");
778 outclassdefs.println("};\n");
780 outclassdefs.println("");
781 outclassdefs.println("extern int classsize[];");
782 outclassdefs.println("extern int hasflags[];");
783 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
784 outclassdefs.println("extern int* supertypes[];");
785 outclassdefs.println("");
788 /** Prints out definitions for generic task structures */
790 protected void outputTaskTypes(PrintWriter outtask) {
791 outtask.println("#ifndef _TASK_H");
792 outtask.println("#define _TASK_H");
793 outtask.println("struct parameterdescriptor {");
794 outtask.println("int type;");
795 outtask.println("int numberterms;");
796 outtask.println("int *intarray;");
797 outtask.println("void * queue;");
798 outtask.println("int numbertags;");
799 outtask.println("int *tagarray;");
800 outtask.println("};");
802 outtask.println("struct taskdescriptor {");
803 outtask.println("void * taskptr;");
804 outtask.println("int numParameters;");
805 outtask.println(" int numTotal;");
806 outtask.println("struct parameterdescriptor **descriptorarray;");
807 outtask.println("char * name;");
808 outtask.println("};");
809 outtask.println("extern struct taskdescriptor * taskarray[];");
810 outtask.println("extern numtasks;");
811 outtask.println("#endif");
815 protected void buildRepairStructs(PrintWriter outrepairstructs) {
816 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
817 while(classit.hasNext()) {
818 ClassDescriptor cn=(ClassDescriptor)classit.next();
819 outrepairstructs.println("structure "+cn.getSymbol()+" {");
820 outrepairstructs.println(" int __type__;");
822 outrepairstructs.println(" int __flag__;");
823 if(!state.MULTICORE) {
824 outrepairstructs.println(" int __flagptr__;");
827 printRepairStruct(cn, outrepairstructs);
828 outrepairstructs.println("}\n");
831 for(int i=0; i<state.numArrays(); i++) {
832 TypeDescriptor tdarray=arraytable[i];
833 TypeDescriptor tdelement=tdarray.dereference();
834 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
835 outrepairstructs.println(" int __type__;");
836 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
837 outrepairstructs.println(" int length;");
838 outrepairstructs.println("}\n");
842 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
843 ClassDescriptor sp=cn.getSuperDesc();
845 printRepairStruct(sp, output);
847 Vector fields=(Vector)fieldorder.get(cn);
849 for(int i=0; i<fields.size(); i++) {
850 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
851 if (fd.getType().isArray()) {
852 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
853 } else if (fd.getType().isClass())
854 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
855 else if (fd.getType().isFloat())
856 output.println(" int "+fd.getSymbol()+"; /* really float */");
858 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
862 /** This method outputs TaskDescriptor information */
863 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
864 for (int i=0; i<task.numParameters(); i++) {
865 VarDescriptor param_var=task.getParameter(i);
866 TypeDescriptor param_type=task.getParamType(i);
867 FlagExpressionNode param_flag=task.getFlag(param_var);
868 TagExpressionList param_tag=task.getTag(param_var);
871 if (param_flag==null) {
872 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
873 output.println("0x0, 0x0 };");
876 DNFFlag dflag=param_flag.getDNF();
877 dnfterms=dflag.size();
879 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
880 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
881 for(int j=0; j<dflag.size(); j++) {
884 Vector term=dflag.get(j);
887 for(int k=0; k<term.size(); k++) {
888 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
889 FlagDescriptor fd=dfa.getFlag();
890 boolean negated=dfa.getNegated();
891 int flagid=1<<((Integer)flags.get(fd)).intValue();
896 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
898 output.println("};");
901 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
903 for(int j=0; j<param_tag.numTags(); j++) {
906 /* for each tag we need */
907 /* which slot it is */
908 /* what type it is */
909 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
910 TempDescriptor tmp=param_tag.getTemp(j);
911 int slot=fm.getTagInt(tmp);
912 output.println(slot+", "+state.getTagId(tvd.getTag()));
914 output.println("};");
916 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
917 output.println("/* type */"+param_type.getClassDesc().getId()+",");
918 output.println("/* number of DNF terms */"+dnfterms+",");
919 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
920 output.println("0,");
922 output.println("/* number of tags */"+param_tag.numTags()+",");
924 output.println("/* number of tags */ 0,");
925 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
926 output.println("};");
930 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
931 for (int i=0; i<task.numParameters(); i++) {
934 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
936 output.println("};");
938 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
939 output.println("&"+task.getSafeSymbol()+",");
940 output.println("/* number of parameters */" +task.numParameters() + ",");
941 int numtotal=task.numParameters()+fm.numTags();
942 output.println("/* number total parameters */" +numtotal + ",");
943 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
944 output.println("\""+task.getSymbol()+"\"");
945 output.println("};");
949 /** The buildVirtualTables method outputs the virtual dispatch
950 * tables for methods. */
952 protected void buildVirtualTables(PrintWriter outvirtual) {
953 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
954 while(classit.hasNext()) {
955 ClassDescriptor cd=(ClassDescriptor)classit.next();
956 if (virtualcalls.getMethodCount(cd)>maxcount)
957 maxcount=virtualcalls.getMethodCount(cd);
959 MethodDescriptor[][] virtualtable=null;
960 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
962 /* Fill in virtual table */
963 classit=state.getClassSymbolTable().getDescriptorsIterator();
964 while(classit.hasNext()) {
965 ClassDescriptor cd=(ClassDescriptor)classit.next();
966 if(cd.isInterface()) {
969 fillinRow(cd, virtualtable, cd.getId());
972 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
973 Iterator arrayit=state.getArrayIterator();
974 while(arrayit.hasNext()) {
975 TypeDescriptor td=(TypeDescriptor)arrayit.next();
976 int id=state.getArrayNumber(td);
977 fillinRow(objectcd, virtualtable, id+state.numClasses());
980 outvirtual.print("void * virtualtable[]={");
981 boolean needcomma=false;
982 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
983 for(int j=0; j<maxcount; j++) {
985 outvirtual.print(", ");
986 if (virtualtable[i][j]!=null) {
987 MethodDescriptor md=virtualtable[i][j];
988 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
990 outvirtual.print("0");
994 outvirtual.println("");
996 outvirtual.println("};");
1000 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
1001 /* Get inherited methods */
1002 Iterator it_sifs = cd.getSuperInterfaces();
1003 while(it_sifs.hasNext()) {
1004 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
1005 fillinRow(superif, virtualtable, rownum);
1007 if (cd.getSuperDesc()!=null)
1008 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
1009 /* Override them with our methods */
1010 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
1011 MethodDescriptor md=(MethodDescriptor)it.next();
1012 if (md.isStatic()||md.getReturnType()==null)
1015 if (!callgraph.isCallable(md)) {
1019 int methodnum = virtualcalls.getMethodNumber(md);
1020 virtualtable[rownum][methodnum]=md;
1024 /** Generate array that contains the sizes of class objects. The
1025 * object allocation functions in the runtime use this
1028 protected void generateSizeArray(PrintWriter outclassdefs) {
1029 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
1031 generateSizeArrayExtensions(outclassdefs);
1032 for(BuildCodeExtension bcx: extensions) {
1033 bcx.generateSizeArrayExtensions(outclassdefs);
1036 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1037 cdarray=new ClassDescriptor[state.numClasses()];
1038 ifarray = new ClassDescriptor[state.numInterfaces()];
1041 while(it.hasNext()) {
1042 ClassDescriptor cd=(ClassDescriptor)it.next();
1043 if(cd.isInterface()) {
1044 ifarray[cd.getId()] = cd;
1046 cdarray[cd.getId()] = cd;
1050 arraytable=new TypeDescriptor[state.numArrays()];
1052 Iterator arrayit=state.getArrayIterator();
1053 while(arrayit.hasNext()) {
1054 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1055 int id=state.getArrayNumber(td);
1059 /* Print out types */
1060 outclassdefs.println("/* ");
1061 for(int i=0; i<state.numClasses(); i++) {
1062 ClassDescriptor cd=cdarray[i];
1064 outclassdefs.println("NULL " + i);
1066 outclassdefs.println(cd +" "+i);
1070 for(int i=0; i<state.numArrays(); i++) {
1071 TypeDescriptor arraytd=arraytable[i];
1072 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1075 for(int i=0; i<state.numInterfaces(); i++) {
1076 ClassDescriptor ifcd = ifarray[i];
1077 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
1080 outclassdefs.println("*/");
1083 outclassdefs.print("int classsize[]={");
1085 boolean needcomma=false;
1086 for(int i=0; i<state.numClasses(); i++) {
1088 outclassdefs.print(", ");
1090 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1092 outclassdefs.print("0");
1098 for(int i=0; i<state.numArrays(); i++) {
1100 outclassdefs.print(", ");
1101 TypeDescriptor tdelement=arraytable[i].dereference();
1102 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1103 outclassdefs.print("sizeof(void *)");
1105 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1109 for(int i=0; i<state.numInterfaces(); i++) {
1111 outclassdefs.print(", ");
1112 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
1116 outclassdefs.println("};");
1118 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1120 outclassdefs.print("int typearray[]={");
1121 for(int i=0; i<state.numClasses(); i++) {
1122 ClassDescriptor cd=cdarray[i];
1123 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1124 if(supercd != null && supercd.isInterface()) {
1125 throw new Error("Super class can not be interfaces");
1128 outclassdefs.print(", ");
1130 outclassdefs.print("-1");
1132 outclassdefs.print(supercd.getId());
1136 for(int i=0; i<state.numArrays(); i++) {
1137 TypeDescriptor arraytd=arraytable[i];
1138 ClassDescriptor arraycd=arraytd.getClassDesc();
1139 if (arraycd==null) {
1141 outclassdefs.print(", ");
1142 outclassdefs.print(objectclass.getId());
1146 ClassDescriptor cd=arraycd.getSuperDesc();
1149 TypeDescriptor supertd=new TypeDescriptor(cd);
1150 supertd.setArrayCount(arraytd.getArrayCount());
1151 type=state.getArrayNumber(supertd);
1153 type+=state.numClasses();
1156 cd=cd.getSuperDesc();
1159 outclassdefs.print(", ");
1160 outclassdefs.print(type);
1164 for(int i=0; i<state.numInterfaces(); i++) {
1165 ClassDescriptor cd=ifarray[i];
1166 ClassDescriptor supercd=cd.getSuperDesc();
1167 if(supercd != null && supercd.isInterface()) {
1168 throw new Error("Super class can not be interfaces");
1171 outclassdefs.print(", ");
1173 outclassdefs.print("-1");
1175 outclassdefs.print(supercd.getId());
1179 outclassdefs.println("};");
1184 outclassdefs.print("int typearray2[]={");
1185 for(int i=0; i<state.numArrays(); i++) {
1186 TypeDescriptor arraytd=arraytable[i];
1187 ClassDescriptor arraycd=arraytd.getClassDesc();
1188 if (arraycd==null) {
1190 outclassdefs.print(", ");
1191 outclassdefs.print("-1");
1195 ClassDescriptor cd=arraycd.getSuperDesc();
1196 int level=arraytd.getArrayCount()-1;
1198 for(; level>0; level--) {
1199 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1200 supertd.setArrayCount(level);
1201 type=state.getArrayNumber(supertd);
1203 type+=state.numClasses();
1208 outclassdefs.print(", ");
1209 outclassdefs.print(type);
1213 outclassdefs.println("};");
1216 /** Constructs params and temp objects for each method or task.
1217 * These objects tell the compiler which temps need to be
1220 protected void generateTempStructs(FlatMethod fm) {
1221 MethodDescriptor md=fm.getMethod();
1222 TaskDescriptor task=fm.getTask();
1223 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
1225 paramstable.put(md, objectparams);
1227 paramstable.put(task, objectparams);
1229 for(int i=0; i<fm.numParameters(); i++) {
1230 TempDescriptor temp=fm.getParameter(i);
1231 TypeDescriptor type=temp.getType();
1232 if (type.isPtr()&&((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC))
1233 objectparams.addPtr(temp);
1235 objectparams.addPrim(temp);
1238 for(int i=0; i<fm.numTags(); i++) {
1239 TempDescriptor temp=fm.getTag(i);
1240 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC)
1241 objectparams.addPtr(temp);
1243 objectparams.addPrim(temp);
1246 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
1248 tempstable.put(md, objecttemps);
1250 tempstable.put(task, objecttemps);
1252 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1253 FlatNode fn=(FlatNode)nodeit.next();
1254 TempDescriptor[] writes=fn.writesTemps();
1255 for(int i=0; i<writes.length; i++) {
1256 TempDescriptor temp=writes[i];
1257 TypeDescriptor type=temp.getType();
1258 if (type.isPtr()&&((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC))
1259 objecttemps.addPtr(temp);
1261 objecttemps.addPrim(temp);
1266 /** This method outputs the following information about classes
1268 * (1) For classes, what are the locations of pointers.
1269 * (2) For arrays, does the array contain pointers or primitives.
1270 * (3) For classes, does the class contain flags.
1273 protected void generateLayoutStructs(PrintWriter output) {
1274 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1275 while(it.hasNext()) {
1276 ClassDescriptor cn=(ClassDescriptor)it.next();
1277 output.print("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1278 if (javabuilder!=null&&!javabuilder.hasLayout(cn)) {
1279 output.println("0};");
1284 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1285 FieldDescriptor fd=(FieldDescriptor)allit.next();
1289 TypeDescriptor type=fd.getType();
1294 // the lock field is also a pointer
1297 output.print(count);
1298 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1299 FieldDescriptor fd=(FieldDescriptor)allit.next();
1303 TypeDescriptor type=fd.getType();
1306 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1307 fd.getSafeSymbol()+"))");
1311 // output the lock field
1313 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->lock))");
1315 output.println("};");
1318 output.println("unsigned INTPTR * pointerarray[]={");
1319 boolean needcomma=false;
1320 for(int i=0; i<state.numClasses(); i++) {
1321 ClassDescriptor cn=cdarray[i];
1323 output.println(",");
1326 output.print(cn.getSafeSymbol()+"_pointers");
1328 output.print("NULL");
1332 for(int i=0; i<state.numArrays(); i++) {
1334 output.println(", ");
1335 TypeDescriptor tdelement=arraytable[i].dereference();
1336 if (tdelement.isArray()||tdelement.isClass())
1337 output.print("((unsigned INTPTR *)1)");
1343 output.println("};");
1345 output.println("int hasflags[]={");
1346 for(int i=0; i<state.numClasses(); i++) {
1347 ClassDescriptor cn=cdarray[i];
1349 output.println(", ");
1351 if ((cn != null) && (cn.hasFlags()))
1356 output.println("};");
1359 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1362 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1363 supertd.setArrayCount(arraytd.getArrayCount());
1364 type=state.getArrayNumber(supertd);
1369 ClassDescriptor cd = arraycd.getSuperDesc();
1371 type = checkarraysupertype(cd, arraytd);
1377 Iterator it_sifs = arraycd.getSuperInterfaces();
1378 while(it_sifs.hasNext()) {
1379 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1380 type = checkarraysupertype(ifcd, arraytd);
1390 /** Print out table to give us supertypes */
1391 protected void generateSuperTypeTable(PrintWriter output) {
1392 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1393 for(int i=0; i<state.numClasses(); i++) {
1394 ClassDescriptor cn=cdarray[i];
1398 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1399 boolean ncomma = false;
1401 if((cn != null) && (cn.getSuperDesc() != null)) {
1404 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1405 while(it_sifs != null && it_sifs.hasNext()) {
1411 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1415 ClassDescriptor cdsuper=cn.getSuperDesc();
1416 output.print(cdsuper.getId());
1418 it_sifs = cn != null?cn.getSuperInterfaces():null;
1419 while(it_sifs != null && it_sifs.hasNext()) {
1423 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1426 output.println("};");
1429 for(int i=0; i<state.numArrays(); i++) {
1430 TypeDescriptor arraytd=arraytable[i];
1431 ClassDescriptor arraycd=arraytd.getClassDesc();
1432 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1433 boolean ncomma = false;
1435 if (arraycd==null) {
1439 output.print(objectclass.getId());
1440 output.println("};");
1443 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1446 Iterator it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1447 while(it_sifs != null && it_sifs.hasNext()) {
1453 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1454 ClassDescriptor cd=arraycd.getSuperDesc();
1457 type = checkarraysupertype(cd, arraytd);
1459 type += state.numClasses();
1466 it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1467 while(it_sifs != null && it_sifs.hasNext()) {
1468 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1469 int type = checkarraysupertype(ifcd, arraytd);
1471 type += state.numClasses();
1477 output.println("};");
1480 for(int i=0; i<state.numInterfaces(); i++) {
1481 ClassDescriptor cn=ifarray[i];
1485 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1486 boolean ncomma = false;
1488 if((cn != null) && (cn.getSuperDesc() != null)) {
1491 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1492 while(it_sifs != null && it_sifs.hasNext()) {
1498 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1502 ClassDescriptor cdsuper=cn.getSuperDesc();
1503 output.print(cdsuper.getId());
1505 it_sifs = cn != null?cn.getSuperInterfaces():null;
1506 while(it_sifs != null && it_sifs.hasNext()) {
1510 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1513 output.println("};");
1516 output.println("int* supertypes[]={");
1517 boolean needcomma=false;
1518 for(int i=0; i<state.numClasses(); i++) {
1519 ClassDescriptor cn=cdarray[i];
1521 output.println(",");
1524 output.print("supertypes" + cn.getSafeSymbol());
1530 for(int i=0; i<state.numArrays(); i++) {
1532 output.println(",");
1534 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1537 for(int i=0; i<state.numInterfaces(); i++) {
1538 ClassDescriptor cn=ifarray[i];
1540 output.println(",");
1542 output.print("supertypes" + cn.getSafeSymbol());
1544 output.println("};");
1547 /** Force consistent field ordering between inherited classes. */
1549 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1551 ClassDescriptor sp=cn.getSuperDesc();
1553 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1555 SymbolTable sitbl = cn.getSuperInterfaceTable();
1556 Iterator it_sifs = sitbl.getDescriptorsIterator();
1557 while(it_sifs.hasNext()) {
1558 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1559 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1562 if (!fieldorder.containsKey(cn)) {
1563 Vector fields=new Vector();
1564 fieldorder.put(cn,fields);
1566 Vector fieldvec=cn.getFieldVec();
1568 for(int i=0; i<fieldvec.size(); i++) {
1569 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1570 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1573 it_sifs = sitbl.getDescriptorsIterator();
1574 while(it_sifs.hasNext()) {
1575 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1576 if(si.getFieldTable().contains(fd.getSymbol())) {
1584 //Vector fields=(Vector)fieldorder.get(cn);
1586 Vector fields = cn.getFieldVec();
1588 for(int i=0; i<fields.size(); i++) {
1589 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1590 String fstring = fd.getSafeSymbol();
1591 if(printedfieldstbl.containsKey(fstring)) {
1592 printedfieldstbl.put(fstring, cn);
1595 printedfieldstbl.put(fstring, cn);
1597 if (fd.getType().isClass()
1598 && fd.getType().getClassDesc().isEnum()) {
1599 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1600 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1601 if (fd.isStatic()) {
1602 // TODO add version for normal Java later
1604 if(globaldefout != null) {
1605 if(fd.isVolatile()) {
1606 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1608 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1612 } else if (fd.isVolatile()) {
1614 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1616 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1618 } else if (fd.isStatic()) {
1619 // TODO add version for normal Java later
1621 if(globaldefout != null) {
1622 if(fd.isVolatile()) {
1623 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1625 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1628 } else if (fd.isVolatile()) {
1630 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1632 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1637 /* Map flags to integers consistently between inherited
1640 protected void mapFlags(ClassDescriptor cn) {
1641 ClassDescriptor sp=cn.getSuperDesc();
1645 if (!flagorder.containsKey(cn)) {
1646 Hashtable flags=new Hashtable();
1647 flagorder.put(cn,flags);
1649 Hashtable superflags=(Hashtable)flagorder.get(sp);
1650 Iterator superflagit=superflags.keySet().iterator();
1651 while(superflagit.hasNext()) {
1652 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1653 Integer number=(Integer)superflags.get(fd);
1654 flags.put(fd, number);
1655 if ((number.intValue()+1)>max)
1656 max=number.intValue()+1;
1660 Iterator flagit=cn.getFlags();
1661 while(flagit.hasNext()) {
1662 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1663 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1664 flags.put(fd, new Integer(max++));
1670 /** This function outputs (1) structures that parameters are
1671 * passed in (when PRECISE GC is enabled) and (2) function
1672 * prototypes for the methods */
1674 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1675 /* Output class structure */
1676 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1677 classdefout.println(" int type;");
1678 classdefout.println(" int hashcode;");
1680 additionalClassObjectFields(classdefout);
1681 for(BuildCodeExtension bcx: extensions) {
1682 bcx.additionalClassObjectFields(classdefout);
1686 if (state.EVENTMONITOR) {
1687 classdefout.println(" int objuid;");
1690 classdefout.println(" volatile int tid;");
1691 classdefout.println(" volatile int notifycount;");
1694 classdefout.println(" int mutex;");
1695 classdefout.println(" volatile int notifycount;");
1696 classdefout.println(" volatile int objlock;");
1697 if(state.MULTICOREGC) {
1698 //classdefout.println(" int marked;");
1701 classdefout.println(" int marked;");
1702 classdefout.println(" void * backward;");
1706 classdefout.println(" int flag;");
1707 classdefout.println(" int ___cachedCode___;");
1708 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1709 classdefout.println(" void * flagptr;");
1711 if (state.MULTICORE) {
1712 classdefout.println(" int version;");
1713 classdefout.println(" int * lock;"); // lock entry for this obj
1714 classdefout.println(" int mutex;");
1715 classdefout.println(" volatile int lockcount;");
1716 if(state.MULTICOREGC) {
1717 //classdefout.println(" int marked;");
1720 classdefout.println(" int marked;");
1721 classdefout.println(" void * backward;");
1724 if (state.OPTIONAL) {
1725 classdefout.println(" int numfses;");
1726 classdefout.println(" int * fses;");
1729 if (javabuilder==null||javabuilder.hasLayout(cn))
1730 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1732 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1733 classdefout.println("};\n");
1734 generateCallStructsMethods(cn, output, headersout);
1738 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1739 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1740 MethodDescriptor md=(MethodDescriptor)methodit.next();
1742 FlatMethod fm=state.getMethodFlat(md);
1744 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
1745 if (callgraph.isCalled(md)) {
1746 generateTempStructs(fm);
1747 generateMethodParam(cn, md, output);
1752 generateTempStructs(fm);
1753 generateMethodParam(cn, md, output);
1755 generateMethod(cn, md, headersout, output);
1759 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1760 /* Output parameter structure */
1761 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1762 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1763 // generate the staticinit version
1764 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1766 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1767 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1768 output.println(" int size;");
1769 output.println(" void * next;");
1770 for(int i=0; i<objectparams.numPointers(); i++) {
1771 TempDescriptor temp=objectparams.getPointer(i);
1772 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1773 output.println(" int " + temp.getSafeSymbol() + ";");
1775 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1778 output.println("};\n");
1781 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1782 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1783 output.println(" int size;");
1784 output.println(" void * next;");
1785 for(int i=0; i<objectparams.numPointers(); i++) {
1786 TempDescriptor temp=objectparams.getPointer(i);
1787 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1788 output.println(" int " + temp.getSafeSymbol() + ";");
1790 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1793 output.println("};\n");
1797 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1798 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1799 TempObject objecttemps=(TempObject) tempstable.get(md);
1801 boolean printcomma = false;
1804 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1805 // generate the staticinit version
1806 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1808 /* Output temp structure */
1809 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1810 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1811 output.println(" int size;");
1812 output.println(" void * next;");
1813 for(int i=0; i<objecttemps.numPointers(); i++) {
1814 TempDescriptor temp=objecttemps.getPointer(i);
1815 if (!temp.getType().isArray() && temp.getType().isNull())
1816 output.println(" void * "+temp.getSafeSymbol()+";");
1818 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1820 output.println("};\n");
1823 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1824 /* First the return type */
1825 if (md.getReturnType()!=null) {
1826 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1827 headersout.println(" int ");
1828 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1829 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1831 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1833 //catch the constructor case
1834 headersout.print("void ");
1836 /* Next the method name */
1837 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1839 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1840 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1844 /* Output parameter list*/
1845 for(int i=0; i<objectparams.numPrimitives(); i++) {
1846 TempDescriptor temp=objectparams.getPrimitive(i);
1848 headersout.print(", ");
1850 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1851 headersout.print("int " + temp.getSafeSymbol());
1852 } else if (temp.getType().isClass()||temp.getType().isArray())
1853 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1855 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1857 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1858 headersout.print(", int linenum");
1860 headersout.println(");\n");
1863 /* Output temp structure */
1864 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1865 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1866 output.println(" int size;");
1867 output.println(" void * next;");
1868 for(int i=0; i<objecttemps.numPointers(); i++) {
1869 TempDescriptor temp=objecttemps.getPointer(i);
1870 if (!temp.getType().isArray() && temp.getType().isNull())
1871 output.println(" void * "+temp.getSafeSymbol()+";");
1873 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1875 output.println("};\n");
1878 /********* Output method declaration ***********/
1879 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1880 /* First the return type */
1881 if (md.getReturnType()!=null) {
1882 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1883 headersout.println(" int ");
1884 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1885 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1887 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1889 //catch the constructor case
1890 headersout.print("void ");
1892 /* Next the method name */
1893 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1895 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1896 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1900 /* Output parameter list*/
1901 for(int i=0; i<objectparams.numPrimitives(); i++) {
1902 TempDescriptor temp=objectparams.getPrimitive(i);
1904 headersout.print(", ");
1906 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1907 headersout.print("int " + temp.getSafeSymbol());
1908 } else if (temp.getType().isClass()||temp.getType().isArray())
1909 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1911 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1913 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1914 headersout.print(", int linenum");
1916 headersout.println(");\n");
1920 /** This function outputs (1) structures that parameters are
1921 * passed in (when PRECISE GC is enabled) and (2) function
1922 * prototypes for the tasks */
1924 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1925 /* Cycle through tasks */
1926 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1928 while(taskit.hasNext()) {
1929 /* Classify parameters */
1930 TaskDescriptor task=(TaskDescriptor)taskit.next();
1931 FlatMethod fm=state.getMethodFlat(task);
1932 generateTempStructs(fm);
1934 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1935 TempObject objecttemps=(TempObject) tempstable.get(task);
1937 /* Output parameter structure */
1938 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1939 output.println("struct "+task.getSafeSymbol()+"_params {");
1940 output.println(" int size;");
1941 output.println(" void * next;");
1942 for(int i=0; i<objectparams.numPointers(); i++) {
1943 TempDescriptor temp=objectparams.getPointer(i);
1944 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1947 output.println("};\n");
1948 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1949 maxtaskparams=objectparams.numPointers()+fm.numTags();
1953 /* Output temp structure */
1954 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1955 output.println("struct "+task.getSafeSymbol()+"_locals {");
1956 output.println(" int size;");
1957 output.println(" void * next;");
1958 for(int i=0; i<objecttemps.numPointers(); i++) {
1959 TempDescriptor temp=objecttemps.getPointer(i);
1960 if (!temp.getType().isArray() && temp.getType().isNull())
1961 output.println(" void * "+temp.getSafeSymbol()+";");
1962 else if(temp.getType().isTag())
1963 output.println(" struct "+
1964 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1966 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1968 output.println("};\n");
1971 /* Output task declaration */
1972 headersout.print("void " + task.getSafeSymbol()+"(");
1974 boolean printcomma=false;
1975 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1976 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1978 headersout.print("void * parameterarray[]");
1979 headersout.println(");\n");
1983 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1984 MethodDescriptor md=fm.getMethod();
1985 ClassDescriptor cd=md.getClassDesc();
1986 generateHeader(fm, md, outmethod);
1988 outmethod.println("JNIPUSHFRAME();");
1989 if (md.getModifiers().isStatic()) {
1990 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1992 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1995 for(int i=startindex; i<fm.numParameters(); i++) {
1996 TempDescriptor tmp=fm.getParameter(i);
1997 if (tmp.getType().isPtr()) {
1998 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
2001 if (GENERATEPRECISEGC) {
2002 outmethod.println("stopforgc((struct garbagelist *)___params___);");
2004 if (!md.getReturnType().isVoid()) {
2005 if (md.getReturnType().isPtr())
2006 outmethod.print("jobject retval=");
2008 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
2010 outmethod.print("Java_");
2011 outmethod.print(cd.getPackage().replace('.','_')+"_"+cd.getClassName().replace('.','_'));
2012 outmethod.print("_"+md.getSymbol()+"(");
2013 outmethod.print("JNI_vtable, rec");
2015 for(int i=startindex; i<fm.numParameters(); i++) {
2016 outmethod.print(", ");
2017 TempDescriptor tmp=fm.getParameter(i);
2018 if (tmp.getType().isPtr()) {
2019 outmethod.print("param"+i);
2021 outmethod.print(generateTemp(fm, tmp));
2024 outmethod.println(");");
2025 if (GENERATEPRECISEGC) {
2026 outmethod.println("restartaftergc();");
2028 if (!md.getReturnType().isVoid()) {
2029 if (md.getReturnType().isPtr()) {
2030 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
2031 outmethod.println("JNIPOPFRAME();");
2032 outmethod.println("return retobj;");
2034 outmethod.println("JNIPOPFRAME();");
2035 outmethod.println("return retval;");
2038 outmethod.println("JNIPOPFRAME();");
2040 outmethod.println("}");
2041 outmethod.println("");
2044 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
2045 if (State.PRINTFLAT)
2046 System.out.println(fm.printMethod());
2047 MethodDescriptor md=fm.getMethod();
2048 TaskDescriptor task=fm.getTask();
2049 ClassDescriptor cn=md!=null?md.getClassDesc():null;
2050 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null?md:task);
2052 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2053 // generate a special static init version
2054 mgcstaticinit = true;
2055 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
2057 generateHeader(fm, md!=null?md:task,output);
2058 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2060 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2061 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
2062 output.print(objecttemp.numPointers()+",");
2063 output.print(paramsprefix);
2064 for(int j=0; j<objecttemp.numPointers(); j++)
2065 output.print(", NULL");
2066 output.println("};");
2069 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2070 TempDescriptor td=objecttemp.getPrimitive(i);
2071 TypeDescriptor type=td.getType();
2072 if (type.isNull() && !type.isArray())
2073 output.println(" void * "+td.getSafeSymbol()+";");
2074 else if (type.isClass() && type.getClassDesc().isEnum()) {
2075 output.println(" int " + td.getSafeSymbol() + ";");
2076 } else if (type.isClass()||type.isArray())
2077 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2079 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2082 additionalCodeAtTopFlatMethodBody(output, fm);
2083 for(BuildCodeExtension bcx: extensions) {
2084 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2087 /* Check to see if we need to do a GC if this is a
2088 * multi-threaded program...*/
2090 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2091 //Don't bother if we aren't in recursive methods...The loops case will catch it
2092 if (callgraph.getAllMethods(md).contains(md)) {
2093 if (state.MULTICOREGC||state.PMC) {
2094 output.println("GCCHECK("+localsprefixaddr+");");
2096 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2101 generateCode(fm.getNext(0), fm, null, output);
2103 output.println("}\n\n");
2105 mgcstaticinit = false;
2108 generateHeader(fm, md!=null?md:task,output);
2109 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2111 if((md != null) && (md.isStaticBlock())) {
2112 mgcstaticinit = true;
2115 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2117 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2119 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
2120 output.print(objecttemp.numPointers()+",");
2121 output.print(paramsprefix);
2122 for(int j=0; j<objecttemp.numPointers(); j++)
2123 output.print(", NULL");
2124 output.println("};");
2127 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2128 TempDescriptor td=objecttemp.getPrimitive(i);
2129 TypeDescriptor type=td.getType();
2130 if (type.isNull() && !type.isArray())
2131 output.println(" void * "+td.getSafeSymbol()+";");
2132 else if (type.isClass() && type.getClassDesc().isEnum()) {
2133 output.println(" int " + td.getSafeSymbol() + ";");
2134 } else if (type.isClass()||type.isArray())
2135 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2137 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2140 additionalCodeAtTopFlatMethodBody(output, fm);
2141 for(BuildCodeExtension bcx: extensions) {
2142 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2145 /* Check to see if we need to do a GC if this is a
2146 * multi-threaded program...*/
2148 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2149 || state.MULTICOREGC||state.PMC) {
2150 //Don't bother if we aren't in recursive methods...The loops case will catch it
2151 if (callgraph.getAllMethods(md).contains(md)) {
2152 if (state.MULTICOREGC||state.PMC) {
2153 output.println("GCCHECK("+localsprefixaddr+");");
2155 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2160 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2161 // a static block, check if it has been executed
2162 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2163 output.println(" return;");
2164 output.println(" }");
2168 generateCode(fm.getNext(0), fm, null, output);
2170 output.println("}\n\n");
2172 mgcstaticinit = false;
2175 protected void generateCode(FlatNode first,
2177 Set<FlatNode> stopset,
2178 PrintWriter output) {
2180 /* Assign labels to FlatNode's if necessary.*/
2182 Hashtable<FlatNode, Integer> nodetolabel;
2184 nodetolabel=assignLabels(first, stopset);
2186 Set<FlatNode> storeset=null;
2187 HashSet<FlatNode> genset=null;
2188 HashSet<FlatNode> refset=null;
2189 Set<FlatNode> unionset=null;
2191 /* Do the actual code generation */
2192 FlatNode current_node=null;
2193 HashSet tovisit=new HashSet();
2194 HashSet visited=new HashSet();
2196 while(current_node!=null||!tovisit.isEmpty()) {
2197 if (current_node==null) {
2198 current_node=(FlatNode)tovisit.iterator().next();
2199 tovisit.remove(current_node);
2200 } else if (tovisit.contains(current_node)) {
2201 tovisit.remove(current_node);
2203 visited.add(current_node);
2204 if (nodetolabel.containsKey(current_node)) {
2205 output.println("L"+nodetolabel.get(current_node)+":");
2207 if (state.INSTRUCTIONFAILURE) {
2209 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2211 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2213 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2215 generateFlatNode(fm, current_node, output);
2217 if (state.OOOJAVA && stopset!=null) {
2218 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2219 assert current_node instanceof FlatSESEExitNode;
2220 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2221 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2222 assert fsen.getFlatExit().equals(fsxn);
2223 assert fsxn.getFlatEnter().equals(fsen);
2225 if (current_node.kind()!=FKind.FlatReturnNode) {
2226 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2227 // a static block, check if it has been executed
2228 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2231 output.println(" return;");
2234 } else if(current_node.numNext()==1) {
2236 if (state.OOOJAVA &&
2237 current_node.kind()==FKind.FlatSESEEnterNode) {
2238 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2239 generateFlatNode(fm, current_node, output);
2240 nextnode=fsen.getFlatExit().getNext(0);
2243 generateFlatNode(fm, current_node, output);
2244 nextnode=current_node.getNext(0);
2246 if (visited.contains(nextnode)) {
2247 output.println("goto L"+nodetolabel.get(nextnode)+";");
2250 current_node=nextnode;
2251 } else if (current_node.numNext()==2) {
2254 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2255 if (!visited.contains(current_node.getNext(1)))
2256 tovisit.add(current_node.getNext(1));
2257 if (visited.contains(current_node.getNext(0))) {
2258 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2261 current_node=current_node.getNext(0);
2262 } else throw new Error();
2266 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2267 HashSet tovisit=new HashSet();
2268 HashSet visited=new HashSet();
2270 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2273 /*Assign labels first. A node needs a label if the previous
2274 * node has two exits or this node is a join point. */
2276 while(!tovisit.isEmpty()) {
2277 FlatNode fn=(FlatNode)tovisit.iterator().next();
2282 if(lastset!=null&&lastset.contains(fn)) {
2283 // if last is not null and matches, don't go
2284 // any further for assigning labels
2288 for(int i=0; i<fn.numNext(); i++) {
2289 FlatNode nn=fn.getNext(i);
2292 //1) Edge >1 of node
2293 nodetolabel.put(nn,new Integer(labelindex++));
2295 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2299 nodetolabel.put(nn,new Integer(labelindex++));
2306 /** Generate text string that corresponds to the TempDescriptor td. */
2307 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2308 MethodDescriptor md=fm.getMethod();
2309 TaskDescriptor task=fm.getTask();
2310 TempObject objecttemps=(TempObject) tempstable.get(md!=null?md:task);
2312 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2313 return td.getSafeSymbol();
2316 if (objecttemps.isLocalPtr(td)) {
2317 return localsprefixderef+td.getSafeSymbol();
2320 if (objecttemps.isParamPtr(td)) {
2321 return paramsprefix+"->"+td.getSafeSymbol();
2329 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2330 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2332 additionalCodePreNode(fm, fn, output);
2333 for(BuildCodeExtension bcx: extensions) {
2334 bcx.additionalCodePreNode(fm, fn, output);
2339 case FKind.FlatAtomicEnterNode:
2340 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2343 case FKind.FlatAtomicExitNode:
2344 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2347 case FKind.FlatInstanceOfNode:
2348 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2351 case FKind.FlatSESEEnterNode:
2352 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2355 case FKind.FlatSESEExitNode:
2356 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2359 case FKind.FlatWriteDynamicVarNode:
2360 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2363 case FKind.FlatGlobalConvNode:
2364 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2367 case FKind.FlatTagDeclaration:
2368 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2371 case FKind.FlatCall:
2372 generateFlatCall(fm, (FlatCall) fn,output);
2375 case FKind.FlatFieldNode:
2376 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2379 case FKind.FlatElementNode:
2380 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2383 case FKind.FlatSetElementNode:
2384 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2387 case FKind.FlatSetFieldNode:
2388 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2392 generateFlatNew(fm, (FlatNew) fn,output);
2395 case FKind.FlatOpNode:
2396 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2399 case FKind.FlatCastNode:
2400 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2403 case FKind.FlatLiteralNode:
2404 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2407 case FKind.FlatReturnNode:
2408 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2412 output.println("/* nop */");
2415 case FKind.FlatGenReachNode:
2416 case FKind.FlatGenDefReachNode:
2417 // these nodes are just for generating analysis data
2418 // in disjointness analysis at a particular program point
2421 case FKind.FlatExit:
2422 output.println("/* exit */");
2425 case FKind.FlatBackEdge:
2426 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2429 case FKind.FlatCheckNode:
2430 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2433 case FKind.FlatFlagActionNode:
2434 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2437 case FKind.FlatPrefetchNode:
2438 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2441 case FKind.FlatOffsetNode:
2442 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2449 additionalCodePostNode(fm, fn, output);
2450 for(BuildCodeExtension bcx: extensions) {
2451 bcx.additionalCodePostNode(fm, fn, output);
2456 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2457 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2458 || state.MULTICOREGC||state.PMC) {
2459 if (state.MULTICOREGC||state.PMC) {
2460 output.println("GCCHECK("+localsprefixaddr+");");
2462 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2465 output.println("/* nop */");
2468 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2469 output.println("/* FlatOffsetNode */");
2470 FieldDescriptor fd=fofn.getField();
2471 if(!fd.isStatic()) {
2472 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2473 fd.getSafeSymbol()+");");
2475 output.println("/* offset */");
2478 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2481 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2484 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2487 if (fion.getType().isArray()) {
2488 type=state.getArrayNumber(fion.getType())+state.numClasses();
2489 } else if (fion.getType().getClassDesc().isInterface()) {
2490 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2492 type=fion.getType().getClassDesc().getId();
2494 if (fion.getSrc().getType().isArray()) {
2495 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2496 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2497 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2499 otype=fion.getSrc().getType().getClassDesc().getId();
2502 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2503 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2505 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2509 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2512 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2515 public void generateFlatSESEEnterNode(FlatMethod fm,
2516 FlatSESEEnterNode fsen,
2517 PrintWriter output) {
2518 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2519 // just skip over them and code generates exactly the same
2522 public void generateFlatSESEExitNode(FlatMethod fm,
2523 FlatSESEExitNode fsexn,
2524 PrintWriter output) {
2525 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2526 // just skip over them and code generates exactly the same
2529 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2530 FlatWriteDynamicVarNode fwdvn,
2531 PrintWriter output) {
2535 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2536 if (state.CONSCHECK) {
2537 String specname=fcn.getSpec();
2538 String varname="repairstate___";
2539 output.println("{");
2540 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2542 TempDescriptor[] temps=fcn.getTemps();
2543 String[] vars=fcn.getVars();
2544 for(int i=0; i<temps.length; i++) {
2545 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2548 output.println("if (doanalysis"+specname+"("+varname+")) {");
2549 output.println("free"+specname+"_state("+varname+");");
2550 output.println("} else {");
2551 output.println("/* Bad invariant */");
2552 output.println("free"+specname+"_state("+varname+");");
2553 output.println("abort_task();");
2554 output.println("}");
2555 output.println("}");
2559 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2560 MethodDescriptor md=fc.getMethod();
2561 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2563 ClassDescriptor cn=md.getClassDesc();
2564 String mdstring = md.getSafeMethodDescriptor();
2565 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2566 mdstring += "staticinit";
2569 // if the called method is a static block or a static method or a constructor
2570 // need to check if it can be invoked inside some static block
2571 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2572 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2573 if(!md.isInvokedByStatic()) {
2574 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2576 // is a static block or is invoked in some static block
2577 ClassDescriptor cd = fm.getMethod().getClassDesc();
2578 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2579 // generate static init check code if it has not done static init in main()
2580 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2581 // need to check if the class' static fields have been initialized and/or
2582 // its static blocks have been executed
2583 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2584 if(cn.getNumStaticBlocks() != 0) {
2585 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2586 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2587 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2588 output.println("0, NULL};");
2589 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2591 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2594 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2596 output.println("}");
2600 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2601 output.println("{");
2602 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2603 output.println("int monitorenterline = __LINE__;");
2605 // call MonitorEnter/MonitorExit on a class obj
2606 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2607 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2608 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2609 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2610 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2612 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2615 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2616 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2617 + fc.getThis().getType().getClassDesc().getId() + "]));");
2619 output.println("}");
2623 output.println("{");
2624 if(md.getSymbol().equals("MonitorEnter")) {
2625 output.println("int monitorenterline = __LINE__;");
2627 if (GENERATEPRECISEGC || state.MULTICOREGC||state.PMC) {
2628 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2629 output.print(objectparams.numPointers());
2630 output.print(", "+localsprefixaddr);
2631 if (md.getThis()!=null) {
2633 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2635 if (fc.getThis()!=null&&md.getThis()==null) {
2636 System.out.println("WARNING!!!!!!!!!!!!");
2637 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2640 for(int i=0; i<fc.numArgs(); i++) {
2641 Descriptor var=md.getParameter(i);
2642 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2643 if (objectparams.isParamPtr(paramtemp)) {
2644 TempDescriptor targ=fc.getArg(i);
2646 TypeDescriptor td=md.getParamType(i);
2648 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2650 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2653 output.println("};");
2658 if (fc.getReturnTemp()!=null)
2659 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2661 /* Do we need to do virtual dispatch? */
2663 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2665 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2669 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2670 output.print("int ");
2671 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2672 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2674 output.print(md.getReturnType().getSafeSymbol()+" ");
2675 output.print("(*)(");
2677 boolean printcomma=false;
2678 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2679 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2683 for(int i=0; i<objectparams.numPrimitives(); i++) {
2684 TempDescriptor temp=objectparams.getPrimitive(i);
2688 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2689 output.print("int ");
2690 } else if (temp.getType().isClass()||temp.getType().isArray())
2691 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2693 output.print(temp.getType().getSafeSymbol());
2696 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2697 output.print(", int");
2699 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2703 boolean needcomma=false;
2704 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2705 output.print("&__parameterlist__");
2709 if (!GENERATEPRECISEGC && !state.MULTICOREGC&&!state.PMC) {
2710 if (fc.getThis()!=null) {
2711 TypeDescriptor ptd=null;
2712 if(md.getThis() != null) {
2713 ptd = md.getThis().getType();
2715 ptd = fc.getThis().getType();
2719 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2721 } else if (ptd.isClass()&&!ptd.isArray())
2722 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2723 output.print(generateTemp(fm,fc.getThis()));
2728 for(int i=0; i<fc.numArgs(); i++) {
2729 Descriptor var=md.getParameter(i);
2730 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2731 if (objectparams.isParamPrim(paramtemp)) {
2732 TempDescriptor targ=fc.getArg(i);
2736 TypeDescriptor ptd=md.getParamType(i);
2737 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2739 } else if (ptd.isClass()&&!ptd.isArray())
2740 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2741 output.print(generateTemp(fm, targ));
2745 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2746 output.println(", monitorenterline);");
2748 output.println(");");
2750 output.println(" }");
2753 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2754 if(thiscd.isInterface()) {
2755 // for interfaces, always need virtual dispatch
2758 Set subclasses=typeutil.getSubClasses(thiscd);
2759 if (subclasses==null)
2761 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2762 ClassDescriptor cd=(ClassDescriptor)classit.next();
2763 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2764 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2765 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2766 if (md.matches(matchmd))
2774 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2776 if(ffn.getField().isStatic()) {
2778 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2779 // is a static block or is invoked in some static block
2780 ClassDescriptor cd = fm.getMethod().getClassDesc();
2781 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2782 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2783 // generate the static init check code if has not done the static init in main()
2784 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2785 // need to check if the class' static fields have been initialized and/or
2786 // its static blocks have been executed
2787 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2788 if(cn.getNumStaticBlocks() != 0) {
2789 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2790 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2791 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2792 output.println("0, NULL};");
2793 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2795 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2798 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2800 output.println("}");
2804 // redirect to the global_defs_p structure
2805 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2806 if (ffn.getField().getType().isPtr()){
2807 output.println("if ( global_defs_p == NULL) {");
2808 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2809 output.println(generateTemp(fm, ffn.getDst())+"= NULL;");
2811 output.println("if ( global_defsprim_p == NULL) {");
2812 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2813 output.println(generateTemp(fm, ffn.getDst())+"= 0;");
2815 output.println("}else{");
2816 if (ffn.getField().getType().isPtr())
2817 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2819 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2820 output.println("}");
2822 if (ffn.getField().getType().isPtr())
2823 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2825 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2827 } else if (ffn.getField().isEnum()) {
2828 // an Enum value, directly replace the field access as int
2829 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2830 } else if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2831 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2832 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2833 if(ffn.getDst().getType().isPrimitive()){
2834 output.println(generateTemp(fm, ffn.getDst())+"= 0;");
2836 output.println(generateTemp(fm, ffn.getDst())+"= NULL;");
2838 output.println("}else{");
2839 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2840 output.println("}");
2841 }else if (ffn.getField().getSymbol().equals("this")) {
2842 // an inner class refers to itself
2843 if( state.CAPTURE_NULL_DEREFERENCES ) {
2844 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2845 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2846 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2847 if(state.MULTICOREGC||state.PMC) {
2848 output.println("failednullptr(&___locals___);");
2850 output.println("failednullptr(NULL);");
2852 output.println("}");
2853 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2855 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+";");
2857 if( state.CAPTURE_NULL_DEREFERENCES ) {
2858 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2859 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2860 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2861 if(state.MULTICOREGC||state.PMC) {
2862 output.println("failednullptr(&___locals___);");
2864 output.println("failednullptr(NULL);");
2866 output.println("}");
2867 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2869 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2874 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2875 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2876 throw new Error("Can't set array length");
2877 if (state.FASTCHECK) {
2878 String dst=generateTemp(fm, fsfn.getDst());
2879 output.println("if(!"+dst+"->"+localcopystr+") {");
2880 /* Link object into list */
2881 if (GENERATEPRECISEGC || state.MULTICOREGC||state.PMC)
2882 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2884 output.println("COPY_OBJ("+dst+");");
2885 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2886 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2887 output.println("}");
2890 if(fsfn.getField().isStatic()) {
2892 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2893 // is a static block or is invoked in some static block
2894 ClassDescriptor cd = fm.getMethod().getClassDesc();
2895 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2896 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2897 // generate static init check code if has not done the static init in main()
2898 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2899 // need to check if the class' static fields have been initialized and/or
2900 // its static blocks have been executed
2901 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2902 if(cn.getNumStaticBlocks() != 0) {
2903 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2904 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2905 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2906 output.println("0, NULL};");
2907 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2909 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2912 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2914 output.println("}");
2918 // redirect to the global_defs_p structure
2919 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2920 if (fsfn.getField().getType().isPtr()) {
2921 output.println("if ( global_defs_p == NULL) {");
2922 output.println("printf(\"SSJAVA: Discard a write due to dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2923 output.println("}else{");
2924 if (fsfn.getField().getType()!=fsfn.getSrc().getType()){
2925 output.println("global_defs_p->" +
2926 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2928 output.println("global_defs_p->" +
2929 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2931 output.println("}");
2933 output.println("if ( global_defsprim_p == NULL) {");
2934 output.println("printf(\"SSJAVA: Discard a write due to dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2935 output.println("}else{");
2936 output.println("global_defsprim_p->" +
2937 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2938 output.println("}");
2941 if (fsfn.getField().getType().isPtr()) {
2942 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2943 output.println("global_defs_p->" +
2944 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2946 output.println("global_defs_p->" +
2947 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2949 output.println("global_defsprim_p->" +
2950 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2952 } else if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2953 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2954 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2955 output.println("}else{");
2956 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2957 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2958 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2960 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2961 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2962 output.println("}");
2964 if( state.CAPTURE_NULL_DEREFERENCES ) {
2965 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2966 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2967 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2968 if(state.MULTICOREGC||state.PMC) {
2969 output.println("failednullptr(&___locals___);");
2971 output.println("failednullptr(NULL);");
2973 output.println("}");
2974 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2977 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2978 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2979 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2981 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2982 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2987 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2988 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2991 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2993 } else if (elementtype.isArray()||elementtype.isClass())
2996 type=elementtype.getSafeSymbol()+" ";
2998 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2999 output.println("if (" + generateTemp(fm,fen.getSrc()) + " == NULL) {");
3000 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3001 output.println("}else{");
3002 output.println("if (unlikely( ((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___)){");
3003 output.println("printf(\"SSJAVA: Array out of bounds at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3004 if(fen.getDst().getType().isPrimitive()){
3005 output.println(generateTemp(fm, fen.getDst())+"= 0;");
3007 output.println(generateTemp(fm, fen.getDst())+"= NULL;");
3009 output.println("}else{");
3010 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
3011 output.println("}");
3012 output.println("}");
3014 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
3015 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
3016 output.println("failedboundschk(__LINE__, " +generateTemp(fm, fen.getIndex()) +", "+ generateTemp(fm, fen.getSrc()) + ");");
3018 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
3024 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
3025 //TODO: need dynamic check to make sure this assignment is actually legal
3026 //Because Object[] could actually be something more specific...ie. Integer[]
3028 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
3031 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
3033 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
3036 type=elementtype.getSafeSymbol()+" ";
3038 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
3039 output.println("if ("+generateTemp(fm,fsen.getDst())+"==NULL){");
3040 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3041 output.println("}else{");
3042 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___)){");
3043 output.println("printf(\"SSJAVA: Discard a write due to array out of bounds at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3044 output.println("}else{");
3045 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
3046 output.println("}");
3047 output.println("}");
3049 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
3050 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
3051 output.println("failedboundschk(__LINE__, " +generateTemp(fm, fsen.getIndex()) +", "+ generateTemp(fm, fsen.getDst()) + ");");
3053 if (state.FASTCHECK) {
3054 String dst=generateTemp(fm, fsen.getDst());
3055 output.println("if(!"+dst+"->"+localcopystr+") {");
3056 /* Link object into list */
3057 if (GENERATEPRECISEGC || state.MULTICOREGC||state.PMC)
3058 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3060 output.println("COPY_OBJ("+dst+");");
3061 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3062 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3063 output.println("}");
3065 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
3071 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
3072 String dst=generateTemp(fm,fn.getDst());
3074 if (fn.getType().isArray()) {
3075 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3076 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3077 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
3079 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
3082 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3083 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3085 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
3088 if (state.FASTCHECK) {
3089 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3090 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3091 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3093 for(BuildCodeExtension bcx: extensions) {
3094 bcx.additionalCodeNewObject(output, dst, fn);
3098 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
3099 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3100 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
3102 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
3106 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
3107 if (fon.getRight()!=null) {
3108 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
3109 if (fon.getLeft().getType().isLong())
3110 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
3112 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
3115 if(state.SSJAVA_GENCODE_PREVENT_CRASHES && fon.getOp().getOp()==Operation.DIV){
3116 output.println("if (unlikely("+generateTemp(fm,fon.getRight())+"==0)){");
3117 output.println("printf(\"SSJAVA: Divided by zero at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3118 output.println(generateTemp(fm, fon.getDest())+" = 0;");
3119 output.println("}else{");
3120 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
3121 output.println("}");
3123 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
3124 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
3126 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
3129 } else if (fon.getOp().getOp()==Operation.ASSIGN)
3130 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
3131 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
3133 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
3134 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
3135 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
3136 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
3137 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
3138 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
3139 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
3140 else if (fon.getOp().getOp()==Operation.COMP)
3141 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
3142 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
3143 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
3145 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
3148 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
3149 /* TODO: Do type check here */
3150 if (fcn.getType().isArray()) {
3151 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
3152 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
3153 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
3154 } else if (fcn.getType().isClass())
3155 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
3157 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
3162 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
3163 if (fln.getValue()==null)
3164 output.println(generateTemp(fm, fln.getDst())+"=0;");
3165 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
3166 String str=(String)fln.getValue();
3167 output.println("{");
3168 output.print("short str"+flncount+"[]={");
3169 for(int i=0; i<str.length(); i++) {
3172 output.print(((int)str.charAt(i)));
3174 output.println("};");
3175 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3176 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
3178 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
3181 for(BuildCodeExtension bcx: extensions) {
3182 bcx.additionalCodeNewStringLiteral(output, generateTemp(fm, fln.getDst()));
3185 output.println("}");
3187 } else if (fln.getType().isBoolean()) {
3188 if (((Boolean)fln.getValue()).booleanValue())
3189 output.println(generateTemp(fm, fln.getDst())+"=1;");
3191 output.println(generateTemp(fm, fln.getDst())+"=0;");
3192 } else if (fln.getType().isChar()) {
3193 int val=(int)(((Character)fln.getValue()).charValue());
3194 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
3195 } else if (fln.getType().isLong()) {
3196 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
3198 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
3201 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
3202 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3203 // a static block, check if it has been executed
3204 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3208 if (frn.getReturnTemp()!=null) {
3209 if (frn.getReturnTemp().getType().isPtr())
3210 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
3212 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
3214 output.println("return;");
3218 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
3219 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
3222 /** This method generates header information for the method or
3223 * task referenced by the Descriptor des. */
3224 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
3225 generateHeader(fm, des, output, false);
3228 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
3230 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
3231 MethodDescriptor md=null;
3232 TaskDescriptor task=null;
3233 if (des instanceof MethodDescriptor)
3234 md=(MethodDescriptor) des;
3236 task=(TaskDescriptor) des;
3237 String mdstring = md != null?md.getSafeMethodDescriptor():null;
3239 ClassDescriptor cn=md!=null?md.getClassDesc():null;
3241 if (md!=null&&md.getReturnType()!=null) {
3242 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3243 output.print("int ");
3244 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3245 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3247 output.print(md.getReturnType().getSafeSymbol()+" ");
3249 //catch the constructor case
3250 output.print("void ");
3252 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
3253 mdstring += "staticinit";
3255 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
3257 output.print(task.getSafeSymbol()+"(");
3259 boolean printcomma=false;
3260 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3262 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
3264 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3270 for(int i=0; i<objectparams.numPrimitives(); i++) {
3271 TempDescriptor temp=objectparams.getPrimitive(i);
3275 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3276 output.print("int " + temp.getSafeSymbol());
3277 } else if (temp.getType().isClass()||temp.getType().isArray())
3278 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3280 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3282 output.println(") {");
3283 } else if (!GENERATEPRECISEGC && !state.MULTICOREGC && ! state.PMC) {
3284 /* Imprecise Task */
3285 output.println("void * parameterarray[]) {");
3286 /* Unpack variables */
3287 for(int i=0; i<objectparams.numPrimitives(); i++) {
3288 TempDescriptor temp=objectparams.getPrimitive(i);
3289 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3290 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3292 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3295 for(int i=0; i<fm.numTags(); i++) {
3296 TempDescriptor temp=fm.getTag(i);
3297 int offset=i+objectparams.numPrimitives();
3298 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3301 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3302 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3303 } else output.println(") {");
3306 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3307 output.println("/* FlatFlagActionNode */");
3310 /* Process tag changes */
3311 Relation tagsettable=new Relation();
3312 Relation tagcleartable=new Relation();
3314 Iterator tagsit=ffan.getTempTagPairs();
3315 while (tagsit.hasNext()) {
3316 TempTagPair ttp=(TempTagPair) tagsit.next();
3317 TempDescriptor objtmp=ttp.getTemp();
3318 TagDescriptor tag=ttp.getTag();
3319 TempDescriptor tagtmp=ttp.getTagTemp();
3320 boolean tagstatus=ffan.getTagChange(ttp);
3322 tagsettable.put(objtmp, tagtmp);
3324 tagcleartable.put(objtmp, tagtmp);
3329 Hashtable flagandtable=new Hashtable();
3330 Hashtable flagortable=new Hashtable();
3332 /* Process flag changes */
3333 Iterator flagsit=ffan.getTempFlagPairs();
3334 while(flagsit.hasNext()) {
3335 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3336 TempDescriptor temp=tfp.getTemp();
3337 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3338 FlagDescriptor flag=tfp.getFlag();
3340 //Newly allocate objects that don't set any flags case
3341 if (flagortable.containsKey(temp)) {
3345 flagortable.put(temp,new Integer(mask));
3347 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3348 boolean flagstatus=ffan.getFlagChange(tfp);
3351 if (flagortable.containsKey(temp)) {
3352 mask=((Integer)flagortable.get(temp)).intValue();
3355 flagortable.put(temp,new Integer(mask));
3357 int mask=0xFFFFFFFF;
3358 if (flagandtable.containsKey(temp)) {
3359 mask=((Integer)flagandtable.get(temp)).intValue();
3361 mask&=(0xFFFFFFFF^flagid);
3362 flagandtable.put(temp,new Integer(mask));
3368 HashSet flagtagset=new HashSet();
3369 flagtagset.addAll(flagortable.keySet());
3370 flagtagset.addAll(flagandtable.keySet());
3371 flagtagset.addAll(tagsettable.keySet());
3372 flagtagset.addAll(tagcleartable.keySet());
3374 Iterator ftit=flagtagset.iterator();
3375 while(ftit.hasNext()) {
3376 TempDescriptor temp=(TempDescriptor)ftit.next();
3379 Set tagtmps=tagcleartable.get(temp);
3380 if (tagtmps!=null) {
3381 Iterator tagit=tagtmps.iterator();
3382 while(tagit.hasNext()) {
3383 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3384 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC)
3385 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3387 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3391 tagtmps=tagsettable.get(temp);
3392 if (tagtmps!=null) {
3393 Iterator tagit=tagtmps.iterator();
3394 while(tagit.hasNext()) {
3395 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3396 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC)
3397 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3399 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3404 int andmask=0xFFFFFFF;
3406 if (flagortable.containsKey(temp))
3407 ormask=((Integer)flagortable.get(temp)).intValue();
3408 if (flagandtable.containsKey(temp))
3409 andmask=((Integer)flagandtable.get(temp)).intValue();
3410 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3411 generateObjectDistribute(ffan, fm, temp, output);
3415 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3416 PrintWriter output, int ormask, int andmask) {
3417 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3418 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3420 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3424 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3425 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3428 void generateOptionalHeader(PrintWriter headers) {
3431 headers.println("#include \"task.h\"\n\n");
3432 headers.println("#ifndef _OPTIONAL_STRUCT_");
3433 headers.println("#define _OPTIONAL_STRUCT_");
3435 //STRUCT PREDICATEMEMBER
3436 headers.println("struct predicatemember{");
3437 headers.println("int type;");
3438 headers.println("int numdnfterms;");
3439 headers.println("int * flags;");
3440 headers.println("int numtags;");
3441 headers.println("int * tags;\n};\n\n");
3443 //STRUCT OPTIONALTASKDESCRIPTOR
3444 headers.println("struct optionaltaskdescriptor{");
3445 headers.println("struct taskdescriptor * task;");
3446 headers.println("int index;");
3447 headers.println("int numenterflags;");
3448 headers.println("int * enterflags;");
3449 headers.println("int numpredicatemembers;");
3450 headers.println("struct predicatemember ** predicatememberarray;");
3451 headers.println("};\n\n");
3453 //STRUCT TASKFAILURE
3454 headers.println("struct taskfailure {");
3455 headers.println("struct taskdescriptor * task;");
3456 headers.println("int index;");
3457 headers.println("int numoptionaltaskdescriptors;");
3458 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3460 //STRUCT FSANALYSISWRAPPER
3461 headers.println("struct fsanalysiswrapper{");
3462 headers.println("int flags;");
3463 headers.println("int numtags;");
3464 headers.println("int * tags;");
3465 headers.println("int numtaskfailures;");
3466 headers.println("struct taskfailure ** taskfailurearray;");
3467 headers.println("int numoptionaltaskdescriptors;");
3468 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3470 //STRUCT CLASSANALYSISWRAPPER
3471 headers.println("struct classanalysiswrapper{");
3472 headers.println("int type;");
3473 headers.println("int numotd;");
3474 headers.println("struct optionaltaskdescriptor ** otdarray;");
3475 headers.println("int numfsanalysiswrappers;");
3476 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3478 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3480 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3481 while(taskit.hasNext()) {
3482 TaskDescriptor td=(TaskDescriptor)taskit.next();
3483 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3488 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3489 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3490 int predicateindex = 0;
3491 //iterate through the classes concerned by the predicate
3492 Set c_vard = predicate.vardescriptors;
3493 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3496 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3497 VarDescriptor vard = (VarDescriptor)vard_it.next();
3498 TypeDescriptor typed = vard.getType();
3500 //generate for flags
3501 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3502 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3504 if (fen_hashset!=null) {
3505 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3506 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3508 DNFFlag dflag=fen.getDNF();
3509 numberterms+=dflag.size();
3511 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3513 for(int j=0; j<dflag.size(); j++) {
3515 output.println(",");
3516 Vector term=dflag.get(j);
3519 for(int k=0; k<term.size(); k++) {
3520 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3521 FlagDescriptor fd=dfa.getFlag();
3522 boolean negated=dfa.getNegated();
3523 int flagid=1<<((Integer)flags.get(fd)).intValue();
3528 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3533 output.println("};\n");
3536 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3537 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3540 for(int j=0; j<tagel.numTags(); j++) {
3542 output.println(",");
3543 TempDescriptor tmp=tagel.getTemp(j);
3544 if (!slotnumber.containsKey(tmp)) {
3545 Integer slotint=new Integer(current_slot++);
3546 slotnumber.put(tmp,slotint);
3548 int slot=slotnumber.get(tmp).intValue();
3549 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3551 numtags = tagel.numTags();
3553 output.println("};");
3555 //store the result into a predicatemember struct
3556 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3557 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3558 output.println("/* number of dnf terms */"+numberterms+",");
3559 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3560 output.println("/* number of tag */"+numtags+",");
3561 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3562 output.println("};\n");
3567 //generate an array that stores the entire predicate
3568 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3569 for( int j = 0; j<predicateindex; j++) {
3570 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3571 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3573 output.println("};\n");
3574 return predicateindex;
3578 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3579 generateOptionalHeader(headers);
3581 output.println("#include \"optionalstruct.h\"\n\n");
3582 output.println("#include \"stdlib.h\"\n");
3584 HashSet processedcd = new HashSet();
3586 Enumeration e = safeexecution.keys();
3587 while (e.hasMoreElements()) {
3590 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3591 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3593 //Generate the struct of optionals
3594 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3595 numotd = c_otd.size();
3596 if(maxotd<numotd) maxotd = numotd;
3597 if( !c_otd.isEmpty() ) {
3598 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3599 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3601 //generate the int arrays for the predicate
3602 Predicate predicate = otd.predicate;
3603 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3604 TreeSet<Integer> fsset=new TreeSet<Integer>();
3605 //iterate through possible FSes corresponding to
3606 //the state when entering
3608 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3609 FlagState fs = (FlagState)fses.next();
3611 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3612 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3613 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3616 fsset.add(new Integer(flagid));
3617 //tag information not needed because tag
3618 //changes are not tolerated.
3621 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3622 boolean needcomma=false;
3623 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3626 output.println(it.next());
3629 output.println("};\n");
3632 //generate optionaltaskdescriptor that actually
3633 //includes exit fses, predicate and the task
3635 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3636 output.println("&task_"+otd.td.getSafeSymbol()+",");
3637 output.println("/*index*/"+otd.getIndex()+",");
3638 output.println("/*number of enter flags*/"+fsset.size()+",");
3639 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3640 output.println("/*number of members */"+predicateindex+",");
3641 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3642 output.println("};\n");
3646 // if there are no optionals, there is no need to build the rest of the struct
3648 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3649 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3650 if( !c_otd.isEmpty() ) {
3651 boolean needcomma=false;
3652 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3653 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3655 output.println(",");
3657 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3660 output.println("};\n");
3662 //get all the possible flagstates reachable by an object
3663 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3665 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3666 fsts.addAll(hashtbtemp.keySet());
3667 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3668 FlagState fs = (FlagState)fsit.next();
3671 //get the set of OptionalTaskDescriptors corresponding
3672 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3673 //iterate through the OptionalTaskDescriptors and
3674 //store the pointers to the optionals struct (see on
3675 //top) into an array
3677 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3678 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3679 OptionalTaskDescriptor mm = mos.next();
3681 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3683 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3686 output.println("};\n");
3688 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3691 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3692 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3693 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3697 //process tag information
3700 boolean first = true;
3701 Enumeration tag_enum = fs.getTags();
3702 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3703 while(tag_enum.hasMoreElements()) {
3705 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3709 output.println(", ");
3710 output.println("/*tagid*/"+state.getTagId(tagd));
3712 output.println("};");
3714 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3715 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3716 TaskIndex ti=itti.next();
3720 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3722 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3723 boolean needcomma=false;
3724 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3725 OptionalTaskDescriptor otd=otdit.next();
3729 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3731 output.println("};");
3733 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3734 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3735 output.print(ti.getIndex()+", ");
3736 output.print(otdset.size()+", ");
3737 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3738 output.println("};");
3741 tiset=sa.getTaskIndex(fs);
3742 boolean needcomma=false;
3744 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3745 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3746 TaskIndex ti=itti.next();
3747 if (ti.isRuntime()) {
3754 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3756 output.println("};\n");
3758 //Store the result in fsanalysiswrapper
3760 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3761 output.println("/*flag*/"+flagid+",");
3762 output.println("/* number of tags*/"+tagcounter+",");
3763 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3764 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3765 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3766 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3767 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3768 output.println("};\n");
3772 //Build the array of fsanalysiswrappers
3773 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3774 boolean needcomma=false;
3775 for(int i = 0; i<fscounter; i++) {
3776 if (needcomma) output.print(",");
3777 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3780 output.println("};");
3782 //Build the classanalysiswrapper referring to the previous array
3783 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3784 output.println("/*type*/"+cdtemp.getId()+",");
3785 output.println("/*numotd*/"+numotd+",");
3786 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3787 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3788 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3789 processedcd.add(cdtemp);
3792 //build an array containing every classes for which code has been build
3793 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3794 for(int i=0; i<state.numClasses(); i++) {
3795 ClassDescriptor cn=cdarray[i];
3798 if ((cn != null) && (processedcd.contains(cn)))
3799 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3801 output.print("NULL");
3803 output.println("};");
3805 output.println("#define MAXOTD "+maxotd);
3806 headers.println("#endif");
3809 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3810 Relation r=new Relation();
3811 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3812 OptionalTaskDescriptor otd=otdit.next();
3813 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3817 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3818 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3819 Set s=r.get(it.next());
3820 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3821 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3831 // either create and register an extension object with buildcode
3832 // or look at the following option of subclassing BuildCode
3833 private Vector<BuildCodeExtension> extensions;
3835 // note that extensions are invoked in the order they are added
3837 public void registerExtension( BuildCodeExtension bcx ) {
3838 extensions.add( bcx );
3842 // override these methods in a subclass of BuildCode
3843 // to generate code for additional systems
3844 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3846 protected void outputTransCode(PrintWriter output) {
3848 protected void buildCodeSetup() {
3850 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3852 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3854 protected void preCodeGenInitialization() {
3856 protected void postCodeGenCleanUp() {
3858 protected void additionalCodeGen(PrintWriter outmethodheader,
3859 PrintWriter outstructs,
3860 PrintWriter outmethod) {
3862 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3864 protected void additionalCodeForCommandLineArgs(PrintWriter outmethod, String argsVar) {
3866 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3868 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3870 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3872 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3874 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3876 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3878 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3880 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3883 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3884 // we do not print out line number if no one explicitly set the number
3885 if(fn.getNumLine()!=-1) {
3887 int lineNum=fn.getNumLine();
3889 // do not generate the line number if it is same as the previous one
3890 boolean needtoprint;
3891 if(fn.prev.size()==0) {
3897 for(int i=0; i<fn.prev.size(); i++) {
3898 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3899 if(prevLineNum!=lineNum) {
3905 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());