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 outputStaticBlocks(outmethod);
432 outputClassObjects(outmethod);
435 additionalCodeAtTopOfMain(outmethod);
436 for(BuildCodeExtension bcx: extensions) {
437 bcx.additionalCodeAtTopOfMain(outmethod);
441 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
442 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
444 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
446 outmethod.println(" for(i=1;i<argc;i++) {");
447 outmethod.println(" int length=strlen(argv[i]);");
449 ClassDescriptor stringclass=typeutil.getClass(TypeUtil.StringClass);
450 String stringclassstring="struct "+stringclass.getSafeSymbol();
452 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
453 outmethod.println(" "+stringclassstring+" *newstring=NewString(NULL, argv[i], length);");
455 outmethod.println(" "+stringclassstring+" *newstring=NewString(argv[i], length);");
457 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
458 outmethod.println(" }");
461 additionalCodeForCommandLineArgs(outmethod, "stringarray");
462 for(BuildCodeExtension bcx: extensions) {
463 bcx.additionalCodeForCommandLineArgs(outmethod, "stringarray");
467 MethodDescriptor md=typeutil.getMain();
468 ClassDescriptor cd=typeutil.getMainClass();
470 outmethod.println(" {");
471 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
472 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
473 outmethod.println("1, NULL,"+"stringarray};");
474 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
476 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
478 outmethod.println(" }");
481 outmethod.println("pthread_mutex_lock(&gclistlock);");
482 outmethod.println("threadcount--;");
483 outmethod.println("pthread_cond_signal(&gccond);");
484 outmethod.println("pthread_mutex_unlock(&gclistlock);");
487 if (state.EVENTMONITOR) {
488 outmethod.println("dumpdata();");
492 outmethod.println("pthread_exit(NULL);");
495 additionalCodeAtBottomOfMain(outmethod);
496 for(BuildCodeExtension bcx: extensions) {
497 bcx.additionalCodeAtBottomOfMain(outmethod);
501 outmethod.println("}");
504 /* This method outputs code for each task. */
506 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
507 /* Compile task based program */
508 outtaskdefs.println("#include \"task.h\"");
509 outtaskdefs.println("#include \"methodheaders.h\"");
510 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
511 while(taskit.hasNext()) {
512 TaskDescriptor td=(TaskDescriptor)taskit.next();
513 FlatMethod fm=state.getMethodFlat(td);
515 generateFlatMethod(fm, outmethod);
516 generateTaskDescriptor(outtaskdefs, fm, td);
519 //Output task descriptors
520 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
521 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
523 while(taskit.hasNext()) {
524 TaskDescriptor td=(TaskDescriptor)taskit.next();
528 outtaskdefs.println(",");
529 outtaskdefs.print("&task_"+td.getSafeSymbol());
531 outtaskdefs.println("};");
533 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
537 /* This method outputs most of the methods.c file. This includes
538 * some standard includes and then an array with the sizes of
539 * objets and array that stores supertype and then the code for
540 * the Java methods.. */
541 protected void outputMethods(PrintWriter outmethod) {
542 outmethod.println("#include \"methodheaders.h\"");
543 outmethod.println("#include \"virtualtable.h\"");
544 outmethod.println("#include \"runtime.h\"");
546 outmethod.println("#include \"jni-private.h\"");
549 // always include: compiler directives will leave out
550 // instrumentation when option is not set
551 if(!state.MULTICORE) {
552 outmethod.println("#include \"coreprof/coreprof.h\"");
555 if (state.FASTCHECK) {
556 outmethod.println("#include \"localobjects.h\"");
558 if(state.MULTICORE) {
560 outmethod.println("#include \"task.h\"");
562 outmethod.println("#include \"multicoreruntime.h\"");
563 outmethod.println("#include \"runtime_arch.h\"");
565 if (state.THREAD||state.DSM||state.SINGLETM) {
566 outmethod.println("#include <thread.h>");
569 outmethod.println("#include \"thread.h\"");
571 if (state.main!=null) {
572 outmethod.println("#include <string.h>");
574 if (state.SSJAVA_GENCODE_PREVENT_CRASHES){
575 outmethod.println("#include <stdio.h>");
577 if (state.CONSCHECK) {
578 outmethod.println("#include \"checkers.h\"");
581 additionalIncludesMethodsImplementation(outmethod);
582 for(BuildCodeExtension bcx: extensions) {
583 bcx.additionalIncludesMethodsImplementation(outmethod);
586 outmethod.println("struct global_defs_t * global_defs_p;");
587 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
588 //Store the sizes of classes & array elements
589 generateSizeArray(outmethod);
591 //Store table of supertypes
592 generateSuperTypeTable(outmethod);
594 //Store the layout of classes
595 generateLayoutStructs(outmethod);
598 additionalCodeAtTopMethodsImplementation(outmethod);
599 for(BuildCodeExtension bcx: extensions) {
600 bcx.additionalCodeAtTopMethodsImplementation(outmethod);
604 generateMethods(outmethod);
607 protected void generateMethods(PrintWriter outmethod) {
608 /* Generate code for methods */
609 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
610 while(classit.hasNext()) {
611 ClassDescriptor cn=(ClassDescriptor)classit.next();
612 Iterator methodit=cn.getMethods();
613 while(methodit.hasNext()) {
614 /* Classify parameters */
615 MethodDescriptor md=(MethodDescriptor)methodit.next();
616 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
620 FlatMethod fm=state.getMethodFlat(md);
621 if (!md.getModifiers().isNative()) {
622 generateFlatMethod(fm, outmethod);
623 } else if (state.JNI) {
624 generateNativeFlatMethod(fm, outmethod);
630 protected void outputStructs(PrintWriter outstructs) {
631 outstructs.println("#ifndef __STRUCTDEFS_H__");
632 outstructs.println("#define __STRUCTDEFS_H__");
633 outstructs.println("#include \"classdefs.h\"");
634 outstructs.println("#ifndef INTPTR");
635 outstructs.println("#ifdef BIT64");
636 outstructs.println("#define INTPTR long");
637 outstructs.println("#else");
638 outstructs.println("#define INTPTR int");
639 outstructs.println("#endif");
640 outstructs.println("#endif");
643 additionalIncludesStructsHeader(outstructs);
644 for(BuildCodeExtension bcx: extensions) {
645 bcx.additionalIncludesStructsHeader(outstructs);
649 /* Output #defines that the runtime uses to determine type
650 * numbers for various objects it needs */
651 outstructs.println("#define MAXCOUNT "+maxcount);
653 outstructs.println("#define STRINGARRAYTYPE "+
654 (state.getArrayNumber(
655 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
657 outstructs.println("#define OBJECTARRAYTYPE "+
658 (state.getArrayNumber(
659 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
662 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
663 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
664 outstructs.println("#define CHARARRAYTYPE "+
665 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
667 outstructs.println("#define BYTEARRAYTYPE "+
668 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
670 outstructs.println("#define BYTEARRAYARRAYTYPE "+
671 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
673 outstructs.println("#define NUMCLASSES "+state.numClasses());
674 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
675 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
677 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
678 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
679 outstructs.println("#define TAGARRAYTYPE "+
680 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
684 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
685 if (state.THREAD||state.DSM||state.SINGLETM)
686 outclassdefs.println("#include <pthread.h>");
687 outclassdefs.println("#ifndef INTPTR");
688 outclassdefs.println("#ifdef BIT64");
689 outclassdefs.println("#define INTPTR long");
690 outclassdefs.println("#else");
691 outclassdefs.println("#define INTPTR int");
692 outclassdefs.println("#endif");
693 outclassdefs.println("#endif");
695 outclassdefs.println("#include \"optionalstruct.h\"");
696 outclassdefs.println("struct "+arraytype+";");
697 /* Start by declaring all structs */
698 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
699 while(it.hasNext()) {
700 ClassDescriptor cn=(ClassDescriptor)it.next();
701 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
703 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
704 // this class has static fields/blocks, need to add a global flag to
705 // indicate if its static fields have been initialized and/or if its
706 // static blocks have been executed
707 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
710 outclassdefs.println("");
711 //Print out definition for array type
712 outclassdefs.println("struct "+arraytype+" {");
713 outclassdefs.println(" int type;");
714 outclassdefs.println(" int hashcode;");
717 additionalClassObjectFields(outclassdefs);
718 for(BuildCodeExtension bcx: extensions) {
719 bcx.additionalClassObjectFields(outclassdefs);
723 if (state.EVENTMONITOR) {
724 outclassdefs.println(" int objuid;");
727 outclassdefs.println(" volatile int tid;");
728 outclassdefs.println(" volatile int notifycount;");
731 outclassdefs.println(" int mutex;");
732 outclassdefs.println(" volatile int notifycount;");
733 outclassdefs.println(" volatile int objlock;");
734 if(state.MULTICOREGC) {
735 //outclassdefs.println(" int marked;");
738 outclassdefs.println(" int marked;");
739 outclassdefs.println(" void * backward;");
743 outclassdefs.println(" int flag;");
744 outclassdefs.println(" int ___cachedCode___;");
745 if(!state.MULTICORE) {
746 outclassdefs.println(" void * flagptr;");
748 outclassdefs.println(" int version;");
749 outclassdefs.println(" int * lock;"); // lock entry for this obj
750 outclassdefs.println(" int mutex;");
751 outclassdefs.println(" volatile int lockcount;");
752 if(state.MULTICOREGC) {
753 //outclassdefs.println(" int marked;");
756 outclassdefs.println(" int marked;");
757 outclassdefs.println(" void * backward;");
761 outclassdefs.println(" int numfses;");
762 outclassdefs.println(" int * fses;");
766 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
767 printedfieldstbl.clear();
769 printExtraArrayFields(outclassdefs);
770 for(BuildCodeExtension bcx: extensions) {
771 bcx.printExtraArrayFields(outclassdefs);
774 if (state.ARRAYPAD) {
775 outclassdefs.println(" int paddingforarray;");
778 outclassdefs.println(" int ___length___;");
779 outclassdefs.println("};\n");
781 outclassdefs.println("");
782 outclassdefs.println("extern int classsize[];");
783 outclassdefs.println("extern int hasflags[];");
784 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
785 outclassdefs.println("extern int* supertypes[];");
786 outclassdefs.println("");
789 /** Prints out definitions for generic task structures */
791 protected void outputTaskTypes(PrintWriter outtask) {
792 outtask.println("#ifndef _TASK_H");
793 outtask.println("#define _TASK_H");
794 outtask.println("struct parameterdescriptor {");
795 outtask.println("int type;");
796 outtask.println("int numberterms;");
797 outtask.println("int *intarray;");
798 outtask.println("void * queue;");
799 outtask.println("int numbertags;");
800 outtask.println("int *tagarray;");
801 outtask.println("};");
803 outtask.println("struct taskdescriptor {");
804 outtask.println("void * taskptr;");
805 outtask.println("int numParameters;");
806 outtask.println(" int numTotal;");
807 outtask.println("struct parameterdescriptor **descriptorarray;");
808 outtask.println("char * name;");
809 outtask.println("};");
810 outtask.println("extern struct taskdescriptor * taskarray[];");
811 outtask.println("extern numtasks;");
812 outtask.println("#endif");
816 protected void buildRepairStructs(PrintWriter outrepairstructs) {
817 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
818 while(classit.hasNext()) {
819 ClassDescriptor cn=(ClassDescriptor)classit.next();
820 outrepairstructs.println("structure "+cn.getSymbol()+" {");
821 outrepairstructs.println(" int __type__;");
823 outrepairstructs.println(" int __flag__;");
824 if(!state.MULTICORE) {
825 outrepairstructs.println(" int __flagptr__;");
828 printRepairStruct(cn, outrepairstructs);
829 outrepairstructs.println("}\n");
832 for(int i=0; i<state.numArrays(); i++) {
833 TypeDescriptor tdarray=arraytable[i];
834 TypeDescriptor tdelement=tdarray.dereference();
835 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
836 outrepairstructs.println(" int __type__;");
837 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
838 outrepairstructs.println(" int length;");
839 outrepairstructs.println("}\n");
843 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
844 ClassDescriptor sp=cn.getSuperDesc();
846 printRepairStruct(sp, output);
848 Vector fields=(Vector)fieldorder.get(cn);
850 for(int i=0; i<fields.size(); i++) {
851 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
852 if (fd.getType().isArray()) {
853 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
854 } else if (fd.getType().isClass())
855 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
856 else if (fd.getType().isFloat())
857 output.println(" int "+fd.getSymbol()+"; /* really float */");
859 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
863 /** This method outputs TaskDescriptor information */
864 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
865 for (int i=0; i<task.numParameters(); i++) {
866 VarDescriptor param_var=task.getParameter(i);
867 TypeDescriptor param_type=task.getParamType(i);
868 FlagExpressionNode param_flag=task.getFlag(param_var);
869 TagExpressionList param_tag=task.getTag(param_var);
872 if (param_flag==null) {
873 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
874 output.println("0x0, 0x0 };");
877 DNFFlag dflag=param_flag.getDNF();
878 dnfterms=dflag.size();
880 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
881 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
882 for(int j=0; j<dflag.size(); j++) {
885 Vector term=dflag.get(j);
888 for(int k=0; k<term.size(); k++) {
889 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
890 FlagDescriptor fd=dfa.getFlag();
891 boolean negated=dfa.getNegated();
892 int flagid=1<<((Integer)flags.get(fd)).intValue();
897 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
899 output.println("};");
902 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
904 for(int j=0; j<param_tag.numTags(); j++) {
907 /* for each tag we need */
908 /* which slot it is */
909 /* what type it is */
910 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
911 TempDescriptor tmp=param_tag.getTemp(j);
912 int slot=fm.getTagInt(tmp);
913 output.println(slot+", "+state.getTagId(tvd.getTag()));
915 output.println("};");
917 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
918 output.println("/* type */"+param_type.getClassDesc().getId()+",");
919 output.println("/* number of DNF terms */"+dnfterms+",");
920 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
921 output.println("0,");
923 output.println("/* number of tags */"+param_tag.numTags()+",");
925 output.println("/* number of tags */ 0,");
926 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
927 output.println("};");
931 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
932 for (int i=0; i<task.numParameters(); i++) {
935 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
937 output.println("};");
939 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
940 output.println("&"+task.getSafeSymbol()+",");
941 output.println("/* number of parameters */" +task.numParameters() + ",");
942 int numtotal=task.numParameters()+fm.numTags();
943 output.println("/* number total parameters */" +numtotal + ",");
944 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
945 output.println("\""+task.getSymbol()+"\"");
946 output.println("};");
950 /** The buildVirtualTables method outputs the virtual dispatch
951 * tables for methods. */
953 protected void buildVirtualTables(PrintWriter outvirtual) {
954 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
955 while(classit.hasNext()) {
956 ClassDescriptor cd=(ClassDescriptor)classit.next();
957 if (virtualcalls.getMethodCount(cd)>maxcount)
958 maxcount=virtualcalls.getMethodCount(cd);
960 MethodDescriptor[][] virtualtable=null;
961 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
963 /* Fill in virtual table */
964 classit=state.getClassSymbolTable().getDescriptorsIterator();
965 while(classit.hasNext()) {
966 ClassDescriptor cd=(ClassDescriptor)classit.next();
967 if(cd.isInterface()) {
970 fillinRow(cd, virtualtable, cd.getId());
973 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
974 Iterator arrayit=state.getArrayIterator();
975 while(arrayit.hasNext()) {
976 TypeDescriptor td=(TypeDescriptor)arrayit.next();
977 int id=state.getArrayNumber(td);
978 fillinRow(objectcd, virtualtable, id+state.numClasses());
981 outvirtual.print("void * virtualtable[]={");
982 boolean needcomma=false;
983 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
984 for(int j=0; j<maxcount; j++) {
986 outvirtual.print(", ");
987 if (virtualtable[i][j]!=null) {
988 MethodDescriptor md=virtualtable[i][j];
989 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
991 outvirtual.print("0");
995 outvirtual.println("");
997 outvirtual.println("};");
1001 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
1002 /* Get inherited methods */
1003 Iterator it_sifs = cd.getSuperInterfaces();
1004 while(it_sifs.hasNext()) {
1005 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
1006 fillinRow(superif, virtualtable, rownum);
1008 if (cd.getSuperDesc()!=null)
1009 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
1010 /* Override them with our methods */
1011 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
1012 MethodDescriptor md=(MethodDescriptor)it.next();
1013 if (md.isStatic()||md.getReturnType()==null)
1016 if (!callgraph.isCallable(md)) {
1020 int methodnum = virtualcalls.getMethodNumber(md);
1021 virtualtable[rownum][methodnum]=md;
1025 /** Generate array that contains the sizes of class objects. The
1026 * object allocation functions in the runtime use this
1029 protected void generateSizeArray(PrintWriter outclassdefs) {
1030 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
1032 generateSizeArrayExtensions(outclassdefs);
1033 for(BuildCodeExtension bcx: extensions) {
1034 bcx.generateSizeArrayExtensions(outclassdefs);
1037 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1038 cdarray=new ClassDescriptor[state.numClasses()];
1039 ifarray = new ClassDescriptor[state.numInterfaces()];
1042 while(it.hasNext()) {
1043 ClassDescriptor cd=(ClassDescriptor)it.next();
1044 if(cd.isInterface()) {
1045 ifarray[cd.getId()] = cd;
1047 cdarray[cd.getId()] = cd;
1051 arraytable=new TypeDescriptor[state.numArrays()];
1053 Iterator arrayit=state.getArrayIterator();
1054 while(arrayit.hasNext()) {
1055 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1056 int id=state.getArrayNumber(td);
1060 /* Print out types */
1061 outclassdefs.println("/* ");
1062 for(int i=0; i<state.numClasses(); i++) {
1063 ClassDescriptor cd=cdarray[i];
1065 outclassdefs.println("NULL " + i);
1067 outclassdefs.println(cd +" "+i);
1071 for(int i=0; i<state.numArrays(); i++) {
1072 TypeDescriptor arraytd=arraytable[i];
1073 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1076 for(int i=0; i<state.numInterfaces(); i++) {
1077 ClassDescriptor ifcd = ifarray[i];
1078 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
1081 outclassdefs.println("*/");
1084 outclassdefs.print("int classsize[]={");
1086 boolean needcomma=false;
1087 for(int i=0; i<state.numClasses(); i++) {
1089 outclassdefs.print(", ");
1091 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1093 outclassdefs.print("0");
1099 for(int i=0; i<state.numArrays(); i++) {
1101 outclassdefs.print(", ");
1102 TypeDescriptor tdelement=arraytable[i].dereference();
1103 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1104 outclassdefs.print("sizeof(void *)");
1106 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1110 for(int i=0; i<state.numInterfaces(); i++) {
1112 outclassdefs.print(", ");
1113 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
1117 outclassdefs.println("};");
1119 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1121 outclassdefs.print("int typearray[]={");
1122 for(int i=0; i<state.numClasses(); i++) {
1123 ClassDescriptor cd=cdarray[i];
1124 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1125 if(supercd != null && supercd.isInterface()) {
1126 throw new Error("Super class can not be interfaces");
1129 outclassdefs.print(", ");
1131 outclassdefs.print("-1");
1133 outclassdefs.print(supercd.getId());
1137 for(int i=0; i<state.numArrays(); i++) {
1138 TypeDescriptor arraytd=arraytable[i];
1139 ClassDescriptor arraycd=arraytd.getClassDesc();
1140 if (arraycd==null) {
1142 outclassdefs.print(", ");
1143 outclassdefs.print(objectclass.getId());
1147 ClassDescriptor cd=arraycd.getSuperDesc();
1150 TypeDescriptor supertd=new TypeDescriptor(cd);
1151 supertd.setArrayCount(arraytd.getArrayCount());
1152 type=state.getArrayNumber(supertd);
1154 type+=state.numClasses();
1157 cd=cd.getSuperDesc();
1160 outclassdefs.print(", ");
1161 outclassdefs.print(type);
1165 for(int i=0; i<state.numInterfaces(); i++) {
1166 ClassDescriptor cd=ifarray[i];
1167 ClassDescriptor supercd=cd.getSuperDesc();
1168 if(supercd != null && supercd.isInterface()) {
1169 throw new Error("Super class can not be interfaces");
1172 outclassdefs.print(", ");
1174 outclassdefs.print("-1");
1176 outclassdefs.print(supercd.getId());
1180 outclassdefs.println("};");
1185 outclassdefs.print("int typearray2[]={");
1186 for(int i=0; i<state.numArrays(); i++) {
1187 TypeDescriptor arraytd=arraytable[i];
1188 ClassDescriptor arraycd=arraytd.getClassDesc();
1189 if (arraycd==null) {
1191 outclassdefs.print(", ");
1192 outclassdefs.print("-1");
1196 ClassDescriptor cd=arraycd.getSuperDesc();
1197 int level=arraytd.getArrayCount()-1;
1199 for(; level>0; level--) {
1200 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1201 supertd.setArrayCount(level);
1202 type=state.getArrayNumber(supertd);
1204 type+=state.numClasses();
1209 outclassdefs.print(", ");
1210 outclassdefs.print(type);
1214 outclassdefs.println("};");
1217 /** Constructs params and temp objects for each method or task.
1218 * These objects tell the compiler which temps need to be
1221 protected void generateTempStructs(FlatMethod fm) {
1222 MethodDescriptor md=fm.getMethod();
1223 TaskDescriptor task=fm.getTask();
1224 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
1226 paramstable.put(md, objectparams);
1228 paramstable.put(task, objectparams);
1230 for(int i=0; i<fm.numParameters(); i++) {
1231 TempDescriptor temp=fm.getParameter(i);
1232 TypeDescriptor type=temp.getType();
1233 if (type.isPtr()&&((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC))
1234 objectparams.addPtr(temp);
1236 objectparams.addPrim(temp);
1239 for(int i=0; i<fm.numTags(); i++) {
1240 TempDescriptor temp=fm.getTag(i);
1241 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC)
1242 objectparams.addPtr(temp);
1244 objectparams.addPrim(temp);
1247 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
1249 tempstable.put(md, objecttemps);
1251 tempstable.put(task, objecttemps);
1253 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1254 FlatNode fn=(FlatNode)nodeit.next();
1255 TempDescriptor[] writes=fn.writesTemps();
1256 for(int i=0; i<writes.length; i++) {
1257 TempDescriptor temp=writes[i];
1258 TypeDescriptor type=temp.getType();
1259 if (type.isPtr()&&((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC))
1260 objecttemps.addPtr(temp);
1262 objecttemps.addPrim(temp);
1267 /** This method outputs the following information about classes
1269 * (1) For classes, what are the locations of pointers.
1270 * (2) For arrays, does the array contain pointers or primitives.
1271 * (3) For classes, does the class contain flags.
1274 protected void generateLayoutStructs(PrintWriter output) {
1275 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1276 while(it.hasNext()) {
1277 ClassDescriptor cn=(ClassDescriptor)it.next();
1278 output.print("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1279 if (javabuilder!=null&&!javabuilder.hasLayout(cn)) {
1280 output.println("0};");
1285 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1286 FieldDescriptor fd=(FieldDescriptor)allit.next();
1290 TypeDescriptor type=fd.getType();
1295 // the lock field is also a pointer
1298 output.print(count);
1299 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1300 FieldDescriptor fd=(FieldDescriptor)allit.next();
1304 TypeDescriptor type=fd.getType();
1307 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1308 fd.getSafeSymbol()+"))");
1312 // output the lock field
1314 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->lock))");
1316 output.println("};");
1319 output.println("unsigned INTPTR * pointerarray[]={");
1320 boolean needcomma=false;
1321 for(int i=0; i<state.numClasses(); i++) {
1322 ClassDescriptor cn=cdarray[i];
1324 output.println(",");
1327 output.print(cn.getSafeSymbol()+"_pointers");
1329 output.print("NULL");
1333 for(int i=0; i<state.numArrays(); i++) {
1335 output.println(", ");
1336 TypeDescriptor tdelement=arraytable[i].dereference();
1337 if (tdelement.isArray()||tdelement.isClass())
1338 output.print("((unsigned INTPTR *)1)");
1344 output.println("};");
1346 output.println("int hasflags[]={");
1347 for(int i=0; i<state.numClasses(); i++) {
1348 ClassDescriptor cn=cdarray[i];
1350 output.println(", ");
1352 if ((cn != null) && (cn.hasFlags()))
1357 output.println("};");
1360 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1363 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1364 supertd.setArrayCount(arraytd.getArrayCount());
1365 type=state.getArrayNumber(supertd);
1370 ClassDescriptor cd = arraycd.getSuperDesc();
1372 type = checkarraysupertype(cd, arraytd);
1378 Iterator it_sifs = arraycd.getSuperInterfaces();
1379 while(it_sifs.hasNext()) {
1380 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1381 type = checkarraysupertype(ifcd, arraytd);
1391 /** Print out table to give us supertypes */
1392 protected void generateSuperTypeTable(PrintWriter output) {
1393 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1394 for(int i=0; i<state.numClasses(); i++) {
1395 ClassDescriptor cn=cdarray[i];
1399 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1400 boolean ncomma = false;
1402 if((cn != null) && (cn.getSuperDesc() != null)) {
1405 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1406 while(it_sifs != null && it_sifs.hasNext()) {
1412 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1416 ClassDescriptor cdsuper=cn.getSuperDesc();
1417 output.print(cdsuper.getId());
1419 it_sifs = cn != null?cn.getSuperInterfaces():null;
1420 while(it_sifs != null && it_sifs.hasNext()) {
1424 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1427 output.println("};");
1430 for(int i=0; i<state.numArrays(); i++) {
1431 TypeDescriptor arraytd=arraytable[i];
1432 ClassDescriptor arraycd=arraytd.getClassDesc();
1433 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1434 boolean ncomma = false;
1436 if (arraycd==null) {
1440 output.print(objectclass.getId());
1441 output.println("};");
1444 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1447 Iterator it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1448 while(it_sifs != null && it_sifs.hasNext()) {
1454 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1455 ClassDescriptor cd=arraycd.getSuperDesc();
1458 type = checkarraysupertype(cd, arraytd);
1460 type += state.numClasses();
1467 it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1468 while(it_sifs != null && it_sifs.hasNext()) {
1469 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1470 int type = checkarraysupertype(ifcd, arraytd);
1472 type += state.numClasses();
1478 output.println("};");
1481 for(int i=0; i<state.numInterfaces(); i++) {
1482 ClassDescriptor cn=ifarray[i];
1486 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1487 boolean ncomma = false;
1489 if((cn != null) && (cn.getSuperDesc() != null)) {
1492 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1493 while(it_sifs != null && it_sifs.hasNext()) {
1499 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1503 ClassDescriptor cdsuper=cn.getSuperDesc();
1504 output.print(cdsuper.getId());
1506 it_sifs = cn != null?cn.getSuperInterfaces():null;
1507 while(it_sifs != null && it_sifs.hasNext()) {
1511 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1514 output.println("};");
1517 output.println("int* supertypes[]={");
1518 boolean needcomma=false;
1519 for(int i=0; i<state.numClasses(); i++) {
1520 ClassDescriptor cn=cdarray[i];
1522 output.println(",");
1525 output.print("supertypes" + cn.getSafeSymbol());
1531 for(int i=0; i<state.numArrays(); i++) {
1533 output.println(",");
1535 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1538 for(int i=0; i<state.numInterfaces(); i++) {
1539 ClassDescriptor cn=ifarray[i];
1541 output.println(",");
1543 output.print("supertypes" + cn.getSafeSymbol());
1545 output.println("};");
1548 /** Force consistent field ordering between inherited classes. */
1550 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1552 ClassDescriptor sp=cn.getSuperDesc();
1554 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1556 SymbolTable sitbl = cn.getSuperInterfaceTable();
1557 Iterator it_sifs = sitbl.getDescriptorsIterator();
1558 while(it_sifs.hasNext()) {
1559 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1560 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1563 if (!fieldorder.containsKey(cn)) {
1564 Vector fields=new Vector();
1565 fieldorder.put(cn,fields);
1567 Vector fieldvec=cn.getFieldVec();
1569 for(int i=0; i<fieldvec.size(); i++) {
1570 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1571 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1574 it_sifs = sitbl.getDescriptorsIterator();
1575 while(it_sifs.hasNext()) {
1576 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1577 if(si.getFieldTable().contains(fd.getSymbol())) {
1585 //Vector fields=(Vector)fieldorder.get(cn);
1587 Vector fields = cn.getFieldVec();
1589 for(int i=0; i<fields.size(); i++) {
1590 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1591 String fstring = fd.getSafeSymbol();
1592 if(printedfieldstbl.containsKey(fstring)) {
1593 printedfieldstbl.put(fstring, cn);
1596 printedfieldstbl.put(fstring, cn);
1598 if (fd.getType().isClass()
1599 && fd.getType().getClassDesc().isEnum()) {
1600 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1601 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1602 if (fd.isStatic()) {
1603 // TODO add version for normal Java later
1605 if(globaldefout != null) {
1606 if(fd.isVolatile()) {
1607 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1609 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1613 } else if (fd.isVolatile()) {
1615 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1617 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1619 } else if (fd.isStatic()) {
1620 // TODO add version for normal Java later
1622 if(globaldefout != null) {
1623 if(fd.isVolatile()) {
1624 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1626 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1629 } else if (fd.isVolatile()) {
1631 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1633 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1638 /* Map flags to integers consistently between inherited
1641 protected void mapFlags(ClassDescriptor cn) {
1642 ClassDescriptor sp=cn.getSuperDesc();
1646 if (!flagorder.containsKey(cn)) {
1647 Hashtable flags=new Hashtable();
1648 flagorder.put(cn,flags);
1650 Hashtable superflags=(Hashtable)flagorder.get(sp);
1651 Iterator superflagit=superflags.keySet().iterator();
1652 while(superflagit.hasNext()) {
1653 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1654 Integer number=(Integer)superflags.get(fd);
1655 flags.put(fd, number);
1656 if ((number.intValue()+1)>max)
1657 max=number.intValue()+1;
1661 Iterator flagit=cn.getFlags();
1662 while(flagit.hasNext()) {
1663 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1664 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1665 flags.put(fd, new Integer(max++));
1671 /** This function outputs (1) structures that parameters are
1672 * passed in (when PRECISE GC is enabled) and (2) function
1673 * prototypes for the methods */
1675 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1676 /* Output class structure */
1677 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1678 classdefout.println(" int type;");
1679 classdefout.println(" int hashcode;");
1681 additionalClassObjectFields(classdefout);
1682 for(BuildCodeExtension bcx: extensions) {
1683 bcx.additionalClassObjectFields(classdefout);
1687 if (state.EVENTMONITOR) {
1688 classdefout.println(" int objuid;");
1691 classdefout.println(" volatile int tid;");
1692 classdefout.println(" volatile int notifycount;");
1695 classdefout.println(" int mutex;");
1696 classdefout.println(" volatile int notifycount;");
1697 classdefout.println(" volatile int objlock;");
1698 if(state.MULTICOREGC) {
1699 //classdefout.println(" int marked;");
1702 classdefout.println(" int marked;");
1703 classdefout.println(" void * backward;");
1707 classdefout.println(" int flag;");
1708 classdefout.println(" int ___cachedCode___;");
1709 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1710 classdefout.println(" void * flagptr;");
1712 if (state.MULTICORE) {
1713 classdefout.println(" int version;");
1714 classdefout.println(" int * lock;"); // lock entry for this obj
1715 classdefout.println(" int mutex;");
1716 classdefout.println(" volatile int lockcount;");
1717 if(state.MULTICOREGC) {
1718 //classdefout.println(" int marked;");
1721 classdefout.println(" int marked;");
1722 classdefout.println(" void * backward;");
1725 if (state.OPTIONAL) {
1726 classdefout.println(" int numfses;");
1727 classdefout.println(" int * fses;");
1730 if (javabuilder==null||javabuilder.hasLayout(cn))
1731 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1733 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1734 classdefout.println("};\n");
1735 generateCallStructsMethods(cn, output, headersout);
1739 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1740 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1741 MethodDescriptor md=(MethodDescriptor)methodit.next();
1743 FlatMethod fm=state.getMethodFlat(md);
1745 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
1746 if (callgraph.isCalled(md)) {
1747 generateTempStructs(fm);
1748 generateMethodParam(cn, md, output);
1753 generateTempStructs(fm);
1754 generateMethodParam(cn, md, output);
1756 generateMethod(cn, md, headersout, output);
1760 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1761 /* Output parameter structure */
1762 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1763 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1764 // generate the staticinit version
1765 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1767 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1768 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1769 output.println(" int size;");
1770 output.println(" void * next;");
1771 for(int i=0; i<objectparams.numPointers(); i++) {
1772 TempDescriptor temp=objectparams.getPointer(i);
1773 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1774 output.println(" int " + temp.getSafeSymbol() + ";");
1776 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1779 output.println("};\n");
1782 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1783 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1784 output.println(" int size;");
1785 output.println(" void * next;");
1786 for(int i=0; i<objectparams.numPointers(); i++) {
1787 TempDescriptor temp=objectparams.getPointer(i);
1788 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1789 output.println(" int " + temp.getSafeSymbol() + ";");
1791 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1794 output.println("};\n");
1798 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1799 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1800 TempObject objecttemps=(TempObject) tempstable.get(md);
1802 boolean printcomma = false;
1805 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1806 // generate the staticinit version
1807 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1809 /* Output temp structure */
1810 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1811 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1812 output.println(" int size;");
1813 output.println(" void * next;");
1814 for(int i=0; i<objecttemps.numPointers(); i++) {
1815 TempDescriptor temp=objecttemps.getPointer(i);
1816 if (!temp.getType().isArray() && temp.getType().isNull())
1817 output.println(" void * "+temp.getSafeSymbol()+";");
1819 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1821 output.println("};\n");
1824 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1825 /* First the return type */
1826 if (md.getReturnType()!=null) {
1827 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1828 headersout.println(" int ");
1829 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1830 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1832 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1834 //catch the constructor case
1835 headersout.print("void ");
1837 /* Next the method name */
1838 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1840 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1841 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1845 /* Output parameter list*/
1846 for(int i=0; i<objectparams.numPrimitives(); i++) {
1847 TempDescriptor temp=objectparams.getPrimitive(i);
1849 headersout.print(", ");
1851 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1852 headersout.print("int " + temp.getSafeSymbol());
1853 } else if (temp.getType().isClass()||temp.getType().isArray())
1854 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1856 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1858 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1859 headersout.print(", int linenum");
1861 headersout.println(");\n");
1864 /* Output temp structure */
1865 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1866 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1867 output.println(" int size;");
1868 output.println(" void * next;");
1869 for(int i=0; i<objecttemps.numPointers(); i++) {
1870 TempDescriptor temp=objecttemps.getPointer(i);
1871 if (!temp.getType().isArray() && temp.getType().isNull())
1872 output.println(" void * "+temp.getSafeSymbol()+";");
1874 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1876 output.println("};\n");
1879 /********* Output method declaration ***********/
1880 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1881 /* First the return type */
1882 if (md.getReturnType()!=null) {
1883 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1884 headersout.println(" int ");
1885 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1886 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1888 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1890 //catch the constructor case
1891 headersout.print("void ");
1893 /* Next the method name */
1894 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1896 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1897 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1901 /* Output parameter list*/
1902 for(int i=0; i<objectparams.numPrimitives(); i++) {
1903 TempDescriptor temp=objectparams.getPrimitive(i);
1905 headersout.print(", ");
1907 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1908 headersout.print("int " + temp.getSafeSymbol());
1909 } else if (temp.getType().isClass()||temp.getType().isArray())
1910 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1912 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1914 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1915 headersout.print(", int linenum");
1917 headersout.println(");\n");
1921 /** This function outputs (1) structures that parameters are
1922 * passed in (when PRECISE GC is enabled) and (2) function
1923 * prototypes for the tasks */
1925 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1926 /* Cycle through tasks */
1927 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1929 while(taskit.hasNext()) {
1930 /* Classify parameters */
1931 TaskDescriptor task=(TaskDescriptor)taskit.next();
1932 FlatMethod fm=state.getMethodFlat(task);
1933 generateTempStructs(fm);
1935 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1936 TempObject objecttemps=(TempObject) tempstable.get(task);
1938 /* Output parameter structure */
1939 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1940 output.println("struct "+task.getSafeSymbol()+"_params {");
1941 output.println(" int size;");
1942 output.println(" void * next;");
1943 for(int i=0; i<objectparams.numPointers(); i++) {
1944 TempDescriptor temp=objectparams.getPointer(i);
1945 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1948 output.println("};\n");
1949 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1950 maxtaskparams=objectparams.numPointers()+fm.numTags();
1954 /* Output temp structure */
1955 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1956 output.println("struct "+task.getSafeSymbol()+"_locals {");
1957 output.println(" int size;");
1958 output.println(" void * next;");
1959 for(int i=0; i<objecttemps.numPointers(); i++) {
1960 TempDescriptor temp=objecttemps.getPointer(i);
1961 if (!temp.getType().isArray() && temp.getType().isNull())
1962 output.println(" void * "+temp.getSafeSymbol()+";");
1963 else if(temp.getType().isTag())
1964 output.println(" struct "+
1965 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1967 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1969 output.println("};\n");
1972 /* Output task declaration */
1973 headersout.print("void " + task.getSafeSymbol()+"(");
1975 boolean printcomma=false;
1976 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1977 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1979 headersout.print("void * parameterarray[]");
1980 headersout.println(");\n");
1984 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1985 MethodDescriptor md=fm.getMethod();
1986 ClassDescriptor cd=md.getClassDesc();
1987 generateHeader(fm, md, outmethod);
1989 outmethod.println("JNIPUSHFRAME();");
1990 if (md.getModifiers().isStatic()) {
1991 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1993 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1996 for(int i=startindex; i<fm.numParameters(); i++) {
1997 TempDescriptor tmp=fm.getParameter(i);
1998 if (tmp.getType().isPtr()) {
1999 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
2002 if (GENERATEPRECISEGC) {
2003 outmethod.println("stopforgc((struct garbagelist *)___params___);");
2005 if (!md.getReturnType().isVoid()) {
2006 if (md.getReturnType().isPtr())
2007 outmethod.print("jobject retval=");
2009 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
2011 outmethod.print("Java_");
2012 outmethod.print(cd.getPackage().replace('.','_')+"_"+cd.getClassName().replace('.','_'));
2013 outmethod.print("_"+md.getSymbol()+"(");
2014 outmethod.print("JNI_vtable, rec");
2016 for(int i=startindex; i<fm.numParameters(); i++) {
2017 outmethod.print(", ");
2018 TempDescriptor tmp=fm.getParameter(i);
2019 if (tmp.getType().isPtr()) {
2020 outmethod.print("param"+i);
2022 outmethod.print(generateTemp(fm, tmp));
2025 outmethod.println(");");
2026 if (GENERATEPRECISEGC) {
2027 outmethod.println("restartaftergc();");
2029 if (!md.getReturnType().isVoid()) {
2030 if (md.getReturnType().isPtr()) {
2031 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
2032 outmethod.println("JNIPOPFRAME();");
2033 outmethod.println("return retobj;");
2035 outmethod.println("JNIPOPFRAME();");
2036 outmethod.println("return retval;");
2039 outmethod.println("JNIPOPFRAME();");
2041 outmethod.println("}");
2042 outmethod.println("");
2045 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
2046 if (State.PRINTFLAT)
2047 System.out.println(fm.printMethod());
2048 MethodDescriptor md=fm.getMethod();
2049 TaskDescriptor task=fm.getTask();
2050 ClassDescriptor cn=md!=null?md.getClassDesc():null;
2051 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null?md:task);
2053 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2054 // generate a special static init version
2055 mgcstaticinit = true;
2056 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
2058 generateHeader(fm, md!=null?md:task,output);
2059 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2061 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2062 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
2063 output.print(objecttemp.numPointers()+",");
2064 output.print(paramsprefix);
2065 for(int j=0; j<objecttemp.numPointers(); j++)
2066 output.print(", NULL");
2067 output.println("};");
2070 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2071 TempDescriptor td=objecttemp.getPrimitive(i);
2072 TypeDescriptor type=td.getType();
2073 if (type.isNull() && !type.isArray())
2074 output.println(" void * "+td.getSafeSymbol()+";");
2075 else if (type.isClass() && type.getClassDesc().isEnum()) {
2076 output.println(" int " + td.getSafeSymbol() + ";");
2077 } else if (type.isClass()||type.isArray())
2078 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2080 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2083 additionalCodeAtTopFlatMethodBody(output, fm);
2084 for(BuildCodeExtension bcx: extensions) {
2085 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2088 /* Check to see if we need to do a GC if this is a
2089 * multi-threaded program...*/
2091 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2092 //Don't bother if we aren't in recursive methods...The loops case will catch it
2093 if (callgraph.getAllMethods(md).contains(md)) {
2094 if (state.MULTICOREGC||state.PMC) {
2095 output.println("GCCHECK("+localsprefixaddr+");");
2097 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2102 generateCode(fm.getNext(0), fm, null, output);
2104 output.println("}\n\n");
2106 mgcstaticinit = false;
2109 generateHeader(fm, md!=null?md:task,output);
2110 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2112 if((md != null) && (md.isStaticBlock())) {
2113 mgcstaticinit = true;
2116 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2118 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2120 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
2121 output.print(objecttemp.numPointers()+",");
2122 output.print(paramsprefix);
2123 for(int j=0; j<objecttemp.numPointers(); j++)
2124 output.print(", NULL");
2125 output.println("};");
2128 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2129 TempDescriptor td=objecttemp.getPrimitive(i);
2130 TypeDescriptor type=td.getType();
2131 if (type.isNull() && !type.isArray())
2132 output.println(" void * "+td.getSafeSymbol()+";");
2133 else if (type.isClass() && type.getClassDesc().isEnum()) {
2134 output.println(" int " + td.getSafeSymbol() + ";");
2135 } else if (type.isClass()||type.isArray())
2136 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2138 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2141 additionalCodeAtTopFlatMethodBody(output, fm);
2142 for(BuildCodeExtension bcx: extensions) {
2143 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2146 /* Check to see if we need to do a GC if this is a
2147 * multi-threaded program...*/
2149 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2150 || state.MULTICOREGC||state.PMC) {
2151 //Don't bother if we aren't in recursive methods...The loops case will catch it
2152 if (callgraph.getAllMethods(md).contains(md)) {
2153 if (state.MULTICOREGC||state.PMC) {
2154 output.println("GCCHECK("+localsprefixaddr+");");
2156 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2161 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2162 // a static block, check if it has been executed
2163 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2164 output.println(" return;");
2165 output.println(" }");
2169 generateCode(fm.getNext(0), fm, null, output);
2171 output.println("}\n\n");
2173 mgcstaticinit = false;
2176 protected void generateCode(FlatNode first,
2178 Set<FlatNode> stopset,
2179 PrintWriter output) {
2181 /* Assign labels to FlatNode's if necessary.*/
2183 Hashtable<FlatNode, Integer> nodetolabel;
2185 nodetolabel=assignLabels(first, stopset);
2187 Set<FlatNode> storeset=null;
2188 HashSet<FlatNode> genset=null;
2189 HashSet<FlatNode> refset=null;
2190 Set<FlatNode> unionset=null;
2192 /* Do the actual code generation */
2193 FlatNode current_node=null;
2194 HashSet tovisit=new HashSet();
2195 HashSet visited=new HashSet();
2197 while(current_node!=null||!tovisit.isEmpty()) {
2198 if (current_node==null) {
2199 current_node=(FlatNode)tovisit.iterator().next();
2200 tovisit.remove(current_node);
2201 } else if (tovisit.contains(current_node)) {
2202 tovisit.remove(current_node);
2204 visited.add(current_node);
2205 if (nodetolabel.containsKey(current_node)) {
2206 output.println("L"+nodetolabel.get(current_node)+":");
2208 if (state.INSTRUCTIONFAILURE) {
2210 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2212 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2214 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2216 generateFlatNode(fm, current_node, output);
2218 if (state.OOOJAVA && stopset!=null) {
2219 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2220 assert current_node instanceof FlatSESEExitNode;
2221 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2222 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2223 assert fsen.getFlatExit().equals(fsxn);
2224 assert fsxn.getFlatEnter().equals(fsen);
2226 if (current_node.kind()!=FKind.FlatReturnNode) {
2227 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2228 // a static block, check if it has been executed
2229 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2232 output.println(" return;");
2235 } else if(current_node.numNext()==1) {
2237 if (state.OOOJAVA &&
2238 current_node.kind()==FKind.FlatSESEEnterNode) {
2239 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2240 generateFlatNode(fm, current_node, output);
2241 nextnode=fsen.getFlatExit().getNext(0);
2244 generateFlatNode(fm, current_node, output);
2245 nextnode=current_node.getNext(0);
2247 if (visited.contains(nextnode)) {
2248 output.println("goto L"+nodetolabel.get(nextnode)+";");
2251 current_node=nextnode;
2252 } else if (current_node.numNext()==2) {
2255 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2256 if (!visited.contains(current_node.getNext(1)))
2257 tovisit.add(current_node.getNext(1));
2258 if (visited.contains(current_node.getNext(0))) {
2259 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2262 current_node=current_node.getNext(0);
2263 } else throw new Error();
2267 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2268 HashSet tovisit=new HashSet();
2269 HashSet visited=new HashSet();
2271 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2274 /*Assign labels first. A node needs a label if the previous
2275 * node has two exits or this node is a join point. */
2277 while(!tovisit.isEmpty()) {
2278 FlatNode fn=(FlatNode)tovisit.iterator().next();
2283 if(lastset!=null&&lastset.contains(fn)) {
2284 // if last is not null and matches, don't go
2285 // any further for assigning labels
2289 for(int i=0; i<fn.numNext(); i++) {
2290 FlatNode nn=fn.getNext(i);
2293 //1) Edge >1 of node
2294 nodetolabel.put(nn,new Integer(labelindex++));
2296 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2300 nodetolabel.put(nn,new Integer(labelindex++));
2307 /** Generate text string that corresponds to the TempDescriptor td. */
2308 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2309 MethodDescriptor md=fm.getMethod();
2310 TaskDescriptor task=fm.getTask();
2311 TempObject objecttemps=(TempObject) tempstable.get(md!=null?md:task);
2313 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2314 return td.getSafeSymbol();
2317 if (objecttemps.isLocalPtr(td)) {
2318 return localsprefixderef+td.getSafeSymbol();
2321 if (objecttemps.isParamPtr(td)) {
2322 return paramsprefix+"->"+td.getSafeSymbol();
2330 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2331 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2333 additionalCodePreNode(fm, fn, output);
2334 for(BuildCodeExtension bcx: extensions) {
2335 bcx.additionalCodePreNode(fm, fn, output);
2340 case FKind.FlatAtomicEnterNode:
2341 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2344 case FKind.FlatAtomicExitNode:
2345 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2348 case FKind.FlatInstanceOfNode:
2349 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2352 case FKind.FlatSESEEnterNode:
2353 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2356 case FKind.FlatSESEExitNode:
2357 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2360 case FKind.FlatWriteDynamicVarNode:
2361 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2364 case FKind.FlatGlobalConvNode:
2365 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2368 case FKind.FlatTagDeclaration:
2369 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2372 case FKind.FlatCall:
2373 generateFlatCall(fm, (FlatCall) fn,output);
2376 case FKind.FlatFieldNode:
2377 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2380 case FKind.FlatElementNode:
2381 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2384 case FKind.FlatSetElementNode:
2385 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2388 case FKind.FlatSetFieldNode:
2389 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2393 generateFlatNew(fm, (FlatNew) fn,output);
2396 case FKind.FlatOpNode:
2397 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2400 case FKind.FlatCastNode:
2401 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2404 case FKind.FlatLiteralNode:
2405 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2408 case FKind.FlatReturnNode:
2409 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2413 output.println("/* nop */");
2416 case FKind.FlatGenReachNode:
2417 case FKind.FlatGenDefReachNode:
2418 // these nodes are just for generating analysis data
2419 // in disjointness analysis at a particular program point
2422 case FKind.FlatExit:
2423 output.println("/* exit */");
2426 case FKind.FlatBackEdge:
2427 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2430 case FKind.FlatCheckNode:
2431 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2434 case FKind.FlatFlagActionNode:
2435 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2438 case FKind.FlatPrefetchNode:
2439 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2442 case FKind.FlatOffsetNode:
2443 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2450 additionalCodePostNode(fm, fn, output);
2451 for(BuildCodeExtension bcx: extensions) {
2452 bcx.additionalCodePostNode(fm, fn, output);
2457 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2458 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2459 || state.MULTICOREGC||state.PMC) {
2460 if (state.MULTICOREGC||state.PMC) {
2461 output.println("GCCHECK("+localsprefixaddr+");");
2463 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2466 output.println("/* nop */");
2469 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2470 output.println("/* FlatOffsetNode */");
2471 FieldDescriptor fd=fofn.getField();
2472 if(!fd.isStatic()) {
2473 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2474 fd.getSafeSymbol()+");");
2476 output.println("/* offset */");
2479 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2482 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2485 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2488 if (fion.getType().isArray()) {
2489 type=state.getArrayNumber(fion.getType())+state.numClasses();
2490 } else if (fion.getType().getClassDesc().isInterface()) {
2491 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2493 type=fion.getType().getClassDesc().getId();
2495 if (fion.getSrc().getType().isArray()) {
2496 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2497 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2498 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2500 otype=fion.getSrc().getType().getClassDesc().getId();
2503 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2504 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2506 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2510 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2513 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2516 public void generateFlatSESEEnterNode(FlatMethod fm,
2517 FlatSESEEnterNode fsen,
2518 PrintWriter output) {
2519 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2520 // just skip over them and code generates exactly the same
2523 public void generateFlatSESEExitNode(FlatMethod fm,
2524 FlatSESEExitNode fsexn,
2525 PrintWriter output) {
2526 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2527 // just skip over them and code generates exactly the same
2530 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2531 FlatWriteDynamicVarNode fwdvn,
2532 PrintWriter output) {
2536 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2537 if (state.CONSCHECK) {
2538 String specname=fcn.getSpec();
2539 String varname="repairstate___";
2540 output.println("{");
2541 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2543 TempDescriptor[] temps=fcn.getTemps();
2544 String[] vars=fcn.getVars();
2545 for(int i=0; i<temps.length; i++) {
2546 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2549 output.println("if (doanalysis"+specname+"("+varname+")) {");
2550 output.println("free"+specname+"_state("+varname+");");
2551 output.println("} else {");
2552 output.println("/* Bad invariant */");
2553 output.println("free"+specname+"_state("+varname+");");
2554 output.println("abort_task();");
2555 output.println("}");
2556 output.println("}");
2560 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2561 MethodDescriptor md=fc.getMethod();
2562 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2564 ClassDescriptor cn=md.getClassDesc();
2565 String mdstring = md.getSafeMethodDescriptor();
2566 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2567 mdstring += "staticinit";
2570 // if the called method is a static block or a static method or a constructor
2571 // need to check if it can be invoked inside some static block
2572 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2573 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2574 if(!md.isInvokedByStatic()) {
2575 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2577 // is a static block or is invoked in some static block
2578 ClassDescriptor cd = fm.getMethod().getClassDesc();
2579 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2580 // generate static init check code if it has not done static init in main()
2581 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2582 // need to check if the class' static fields have been initialized and/or
2583 // its static blocks have been executed
2584 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2585 if(cn.getNumStaticBlocks() != 0) {
2586 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2587 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2588 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2589 output.println("0, NULL};");
2590 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2592 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2595 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2597 output.println("}");
2601 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2602 output.println("{");
2603 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2604 output.println("int monitorenterline = __LINE__;");
2606 // call MonitorEnter/MonitorExit on a class obj
2607 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2608 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2609 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2610 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2611 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2613 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2616 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2617 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2618 + fc.getThis().getType().getClassDesc().getId() + "]));");
2620 output.println("}");
2624 output.println("{");
2625 if(md.getSymbol().equals("MonitorEnter")) {
2626 output.println("int monitorenterline = __LINE__;");
2628 if (GENERATEPRECISEGC || state.MULTICOREGC||state.PMC) {
2629 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2630 output.print(objectparams.numPointers());
2631 output.print(", "+localsprefixaddr);
2632 if (md.getThis()!=null) {
2634 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2636 if (fc.getThis()!=null&&md.getThis()==null) {
2637 System.out.println("WARNING!!!!!!!!!!!!");
2638 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2641 for(int i=0; i<fc.numArgs(); i++) {
2642 Descriptor var=md.getParameter(i);
2643 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2644 if (objectparams.isParamPtr(paramtemp)) {
2645 TempDescriptor targ=fc.getArg(i);
2647 TypeDescriptor td=md.getParamType(i);
2649 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2651 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2654 output.println("};");
2659 if (fc.getReturnTemp()!=null)
2660 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2662 /* Do we need to do virtual dispatch? */
2664 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2666 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2670 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2671 output.print("int ");
2672 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2673 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2675 output.print(md.getReturnType().getSafeSymbol()+" ");
2676 output.print("(*)(");
2678 boolean printcomma=false;
2679 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2680 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2684 for(int i=0; i<objectparams.numPrimitives(); i++) {
2685 TempDescriptor temp=objectparams.getPrimitive(i);
2689 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2690 output.print("int ");
2691 } else if (temp.getType().isClass()||temp.getType().isArray())
2692 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2694 output.print(temp.getType().getSafeSymbol());
2697 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2698 output.print(", int");
2700 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2704 boolean needcomma=false;
2705 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2706 output.print("&__parameterlist__");
2710 if (!GENERATEPRECISEGC && !state.MULTICOREGC&&!state.PMC) {
2711 if (fc.getThis()!=null) {
2712 TypeDescriptor ptd=null;
2713 if(md.getThis() != null) {
2714 ptd = md.getThis().getType();
2716 ptd = fc.getThis().getType();
2720 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2722 } else if (ptd.isClass()&&!ptd.isArray())
2723 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2724 output.print(generateTemp(fm,fc.getThis()));
2729 for(int i=0; i<fc.numArgs(); i++) {
2730 Descriptor var=md.getParameter(i);
2731 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2732 if (objectparams.isParamPrim(paramtemp)) {
2733 TempDescriptor targ=fc.getArg(i);
2737 TypeDescriptor ptd=md.getParamType(i);
2738 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2740 } else if (ptd.isClass()&&!ptd.isArray())
2741 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2742 output.print(generateTemp(fm, targ));
2746 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2747 output.println(", monitorenterline);");
2749 output.println(");");
2751 output.println(" }");
2754 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2755 if(thiscd.isInterface()) {
2756 // for interfaces, always need virtual dispatch
2759 Set subclasses=typeutil.getSubClasses(thiscd);
2760 if (subclasses==null)
2762 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2763 ClassDescriptor cd=(ClassDescriptor)classit.next();
2764 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2765 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2766 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2767 if (md.matches(matchmd))
2775 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2777 if(ffn.getField().isStatic()) {
2779 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2780 // is a static block or is invoked in some static block
2781 ClassDescriptor cd = fm.getMethod().getClassDesc();
2782 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2783 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2784 // generate the static init check code if has not done the static init in main()
2785 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2786 // need to check if the class' static fields have been initialized and/or
2787 // its static blocks have been executed
2788 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2789 if(cn.getNumStaticBlocks() != 0) {
2790 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2791 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2792 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2793 output.println("0, NULL};");
2794 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2796 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2799 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2801 output.println("}");
2805 // redirect to the global_defs_p structure
2806 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2807 if (ffn.getField().getType().isPtr()){
2808 output.println("if ( global_defs_p == NULL) {");
2809 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2810 output.println(generateTemp(fm, ffn.getDst())+"= NULL;");
2812 output.println("if ( global_defsprim_p == NULL) {");
2813 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2814 output.println(generateTemp(fm, ffn.getDst())+"= 0;");
2816 output.println("}else{");
2817 if (ffn.getField().getType().isPtr())
2818 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2820 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2821 output.println("}");
2823 if (ffn.getField().getType().isPtr())
2824 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2826 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2828 } else if (ffn.getField().isEnum()) {
2829 // an Enum value, directly replace the field access as int
2830 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2831 } else if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2832 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2833 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2834 if(ffn.getDst().getType().isPrimitive()){
2835 output.println(generateTemp(fm, ffn.getDst())+"= 0;");
2837 output.println(generateTemp(fm, ffn.getDst())+"= NULL;");
2839 output.println("}else{");
2840 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2841 output.println("}");
2842 }else if (ffn.getField().getSymbol().equals("this")) {
2843 // an inner class refers to itself
2844 if( state.CAPTURE_NULL_DEREFERENCES ) {
2845 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2846 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2847 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2848 if(state.MULTICOREGC||state.PMC) {
2849 output.println("failednullptr(&___locals___);");
2851 output.println("failednullptr(NULL);");
2853 output.println("}");
2854 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2856 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+";");
2858 if( state.CAPTURE_NULL_DEREFERENCES ) {
2859 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2860 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2861 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2862 if(state.MULTICOREGC||state.PMC) {
2863 output.println("failednullptr(&___locals___);");
2865 output.println("failednullptr(NULL);");
2867 output.println("}");
2868 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2870 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2875 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2876 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2877 throw new Error("Can't set array length");
2878 if (state.FASTCHECK) {
2879 String dst=generateTemp(fm, fsfn.getDst());
2880 output.println("if(!"+dst+"->"+localcopystr+") {");
2881 /* Link object into list */
2882 if (GENERATEPRECISEGC || state.MULTICOREGC||state.PMC)
2883 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2885 output.println("COPY_OBJ("+dst+");");
2886 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2887 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2888 output.println("}");
2891 if(fsfn.getField().isStatic()) {
2893 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2894 // is a static block or is invoked in some static block
2895 ClassDescriptor cd = fm.getMethod().getClassDesc();
2896 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2897 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2898 // generate static init check code if has not done the static init in main()
2899 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2900 // need to check if the class' static fields have been initialized and/or
2901 // its static blocks have been executed
2902 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2903 if(cn.getNumStaticBlocks() != 0) {
2904 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2905 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2906 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2907 output.println("0, NULL};");
2908 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2910 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2913 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2915 output.println("}");
2919 // redirect to the global_defs_p structure
2920 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2921 if (fsfn.getField().getType().isPtr()) {
2922 output.println("if ( global_defs_p == NULL) {");
2923 output.println("printf(\"SSJAVA: Discard a write due to dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2924 output.println("}else{");
2925 if (fsfn.getField().getType()!=fsfn.getSrc().getType()){
2926 output.println("global_defs_p->" +
2927 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2929 output.println("global_defs_p->" +
2930 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2932 output.println("}");
2934 output.println("if ( global_defsprim_p == NULL) {");
2935 output.println("printf(\"SSJAVA: Discard a write due to dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2936 output.println("}else{");
2937 output.println("global_defsprim_p->" +
2938 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2939 output.println("}");
2942 if (fsfn.getField().getType().isPtr()) {
2943 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2944 output.println("global_defs_p->" +
2945 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2947 output.println("global_defs_p->" +
2948 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2950 output.println("global_defsprim_p->" +
2951 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2953 } else if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2954 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2955 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2956 output.println("}else{");
2957 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2958 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2959 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2961 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2962 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2963 output.println("}");
2965 if( state.CAPTURE_NULL_DEREFERENCES ) {
2966 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2967 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2968 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2969 if(state.MULTICOREGC||state.PMC) {
2970 output.println("failednullptr(&___locals___);");
2972 output.println("failednullptr(NULL);");
2974 output.println("}");
2975 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2978 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2979 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2980 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2982 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2983 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2988 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2989 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2992 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2994 } else if (elementtype.isArray()||elementtype.isClass())
2997 type=elementtype.getSafeSymbol()+" ";
2999 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
3000 output.println("if (" + generateTemp(fm,fen.getSrc()) + " == NULL) {");
3001 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3002 output.println("}else{");
3003 output.println("if (unlikely( ((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___)){");
3004 output.println("printf(\"SSJAVA: Array out of bounds at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3005 if(fen.getDst().getType().isPrimitive()){
3006 output.println(generateTemp(fm, fen.getDst())+"= 0;");
3008 output.println(generateTemp(fm, fen.getDst())+"= NULL;");
3010 output.println("}else{");
3011 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
3012 output.println("}");
3013 output.println("}");
3015 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
3016 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
3017 output.println("failedboundschk(__LINE__, " +generateTemp(fm, fen.getIndex()) +", "+ generateTemp(fm, fen.getSrc()) + ");");
3019 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
3025 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
3026 //TODO: need dynamic check to make sure this assignment is actually legal
3027 //Because Object[] could actually be something more specific...ie. Integer[]
3029 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
3032 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
3034 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
3037 type=elementtype.getSafeSymbol()+" ";
3039 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
3040 output.println("if ("+generateTemp(fm,fsen.getDst())+"==NULL){");
3041 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3042 output.println("}else{");
3043 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___)){");
3044 output.println("printf(\"SSJAVA: Discard a write due to array out of bounds at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3045 output.println("}else{");
3046 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
3047 output.println("}");
3048 output.println("}");
3050 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
3051 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
3052 output.println("failedboundschk(__LINE__, " +generateTemp(fm, fsen.getIndex()) +", "+ generateTemp(fm, fsen.getDst()) + ");");
3054 if (state.FASTCHECK) {
3055 String dst=generateTemp(fm, fsen.getDst());
3056 output.println("if(!"+dst+"->"+localcopystr+") {");
3057 /* Link object into list */
3058 if (GENERATEPRECISEGC || state.MULTICOREGC||state.PMC)
3059 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3061 output.println("COPY_OBJ("+dst+");");
3062 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3063 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3064 output.println("}");
3066 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
3072 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
3073 String dst=generateTemp(fm,fn.getDst());
3075 if (fn.getType().isArray()) {
3076 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3077 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3078 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
3080 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
3083 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3084 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3086 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
3089 if (state.FASTCHECK) {
3090 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3091 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3092 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3094 for(BuildCodeExtension bcx: extensions) {
3095 bcx.additionalCodeNewObject(output, dst, fn);
3099 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
3100 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3101 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
3103 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
3107 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
3108 if (fon.getRight()!=null) {
3109 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
3110 if (fon.getLeft().getType().isLong())
3111 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
3113 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
3116 if(state.SSJAVA_GENCODE_PREVENT_CRASHES && fon.getOp().getOp()==Operation.DIV){
3117 output.println("if (unlikely("+generateTemp(fm,fon.getRight())+"==0)){");
3118 output.println("printf(\"SSJAVA: Divided by zero at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3119 output.println(generateTemp(fm, fon.getDest())+" = 0;");
3120 output.println("}else{");
3121 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
3122 output.println("}");
3124 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
3125 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
3127 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
3130 } else if (fon.getOp().getOp()==Operation.ASSIGN)
3131 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
3132 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
3134 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
3135 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
3136 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
3137 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
3138 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
3139 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
3140 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
3141 else if (fon.getOp().getOp()==Operation.COMP)
3142 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
3143 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
3144 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
3146 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
3149 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
3150 /* TODO: Do type check here */
3151 if (fcn.getType().isArray()) {
3152 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
3153 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
3154 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
3155 } else if (fcn.getType().isClass())
3156 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
3158 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
3163 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
3164 if (fln.getValue()==null)
3165 output.println(generateTemp(fm, fln.getDst())+"=0;");
3166 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
3167 String str=(String)fln.getValue();
3168 output.println("{");
3169 output.print("short str"+flncount+"[]={");
3170 for(int i=0; i<str.length(); i++) {
3173 output.print(((int)str.charAt(i)));
3175 output.println("};");
3176 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3177 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
3179 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
3182 for(BuildCodeExtension bcx: extensions) {
3183 bcx.additionalCodeNewStringLiteral(output, generateTemp(fm, fln.getDst()));
3186 output.println("}");
3188 } else if (fln.getType().isBoolean()) {
3189 if (((Boolean)fln.getValue()).booleanValue())
3190 output.println(generateTemp(fm, fln.getDst())+"=1;");
3192 output.println(generateTemp(fm, fln.getDst())+"=0;");
3193 } else if (fln.getType().isChar()) {
3194 int val=(int)(((Character)fln.getValue()).charValue());
3195 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
3196 } else if (fln.getType().isLong()) {
3197 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
3199 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
3202 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
3203 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3204 // a static block, check if it has been executed
3205 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3209 if (frn.getReturnTemp()!=null) {
3210 if (frn.getReturnTemp().getType().isPtr())
3211 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
3213 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
3215 output.println("return;");
3219 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
3220 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
3223 /** This method generates header information for the method or
3224 * task referenced by the Descriptor des. */
3225 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
3226 generateHeader(fm, des, output, false);
3229 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
3231 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
3232 MethodDescriptor md=null;
3233 TaskDescriptor task=null;
3234 if (des instanceof MethodDescriptor)
3235 md=(MethodDescriptor) des;
3237 task=(TaskDescriptor) des;
3238 String mdstring = md != null?md.getSafeMethodDescriptor():null;
3240 ClassDescriptor cn=md!=null?md.getClassDesc():null;
3242 if (md!=null&&md.getReturnType()!=null) {
3243 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3244 output.print("int ");
3245 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3246 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3248 output.print(md.getReturnType().getSafeSymbol()+" ");
3250 //catch the constructor case
3251 output.print("void ");
3253 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
3254 mdstring += "staticinit";
3256 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
3258 output.print(task.getSafeSymbol()+"(");
3260 boolean printcomma=false;
3261 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3263 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
3265 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3271 for(int i=0; i<objectparams.numPrimitives(); i++) {
3272 TempDescriptor temp=objectparams.getPrimitive(i);
3276 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3277 output.print("int " + temp.getSafeSymbol());
3278 } else if (temp.getType().isClass()||temp.getType().isArray())
3279 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3281 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3283 output.println(") {");
3284 } else if (!GENERATEPRECISEGC && !state.MULTICOREGC && ! state.PMC) {
3285 /* Imprecise Task */
3286 output.println("void * parameterarray[]) {");
3287 /* Unpack variables */
3288 for(int i=0; i<objectparams.numPrimitives(); i++) {
3289 TempDescriptor temp=objectparams.getPrimitive(i);
3290 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3291 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3293 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3296 for(int i=0; i<fm.numTags(); i++) {
3297 TempDescriptor temp=fm.getTag(i);
3298 int offset=i+objectparams.numPrimitives();
3299 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3302 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3303 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3304 } else output.println(") {");
3307 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3308 output.println("/* FlatFlagActionNode */");
3311 /* Process tag changes */
3312 Relation tagsettable=new Relation();
3313 Relation tagcleartable=new Relation();
3315 Iterator tagsit=ffan.getTempTagPairs();
3316 while (tagsit.hasNext()) {
3317 TempTagPair ttp=(TempTagPair) tagsit.next();
3318 TempDescriptor objtmp=ttp.getTemp();
3319 TagDescriptor tag=ttp.getTag();
3320 TempDescriptor tagtmp=ttp.getTagTemp();
3321 boolean tagstatus=ffan.getTagChange(ttp);
3323 tagsettable.put(objtmp, tagtmp);
3325 tagcleartable.put(objtmp, tagtmp);
3330 Hashtable flagandtable=new Hashtable();
3331 Hashtable flagortable=new Hashtable();
3333 /* Process flag changes */
3334 Iterator flagsit=ffan.getTempFlagPairs();
3335 while(flagsit.hasNext()) {
3336 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3337 TempDescriptor temp=tfp.getTemp();
3338 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3339 FlagDescriptor flag=tfp.getFlag();
3341 //Newly allocate objects that don't set any flags case
3342 if (flagortable.containsKey(temp)) {
3346 flagortable.put(temp,new Integer(mask));
3348 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3349 boolean flagstatus=ffan.getFlagChange(tfp);
3352 if (flagortable.containsKey(temp)) {
3353 mask=((Integer)flagortable.get(temp)).intValue();
3356 flagortable.put(temp,new Integer(mask));
3358 int mask=0xFFFFFFFF;
3359 if (flagandtable.containsKey(temp)) {
3360 mask=((Integer)flagandtable.get(temp)).intValue();
3362 mask&=(0xFFFFFFFF^flagid);
3363 flagandtable.put(temp,new Integer(mask));
3369 HashSet flagtagset=new HashSet();
3370 flagtagset.addAll(flagortable.keySet());
3371 flagtagset.addAll(flagandtable.keySet());
3372 flagtagset.addAll(tagsettable.keySet());
3373 flagtagset.addAll(tagcleartable.keySet());
3375 Iterator ftit=flagtagset.iterator();
3376 while(ftit.hasNext()) {
3377 TempDescriptor temp=(TempDescriptor)ftit.next();
3380 Set tagtmps=tagcleartable.get(temp);
3381 if (tagtmps!=null) {
3382 Iterator tagit=tagtmps.iterator();
3383 while(tagit.hasNext()) {
3384 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3385 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC)
3386 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3388 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3392 tagtmps=tagsettable.get(temp);
3393 if (tagtmps!=null) {
3394 Iterator tagit=tagtmps.iterator();
3395 while(tagit.hasNext()) {
3396 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3397 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC)
3398 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3400 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3405 int andmask=0xFFFFFFF;
3407 if (flagortable.containsKey(temp))
3408 ormask=((Integer)flagortable.get(temp)).intValue();
3409 if (flagandtable.containsKey(temp))
3410 andmask=((Integer)flagandtable.get(temp)).intValue();
3411 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3412 generateObjectDistribute(ffan, fm, temp, output);
3416 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3417 PrintWriter output, int ormask, int andmask) {
3418 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3419 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3421 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3425 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3426 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3429 void generateOptionalHeader(PrintWriter headers) {
3432 headers.println("#include \"task.h\"\n\n");
3433 headers.println("#ifndef _OPTIONAL_STRUCT_");
3434 headers.println("#define _OPTIONAL_STRUCT_");
3436 //STRUCT PREDICATEMEMBER
3437 headers.println("struct predicatemember{");
3438 headers.println("int type;");
3439 headers.println("int numdnfterms;");
3440 headers.println("int * flags;");
3441 headers.println("int numtags;");
3442 headers.println("int * tags;\n};\n\n");
3444 //STRUCT OPTIONALTASKDESCRIPTOR
3445 headers.println("struct optionaltaskdescriptor{");
3446 headers.println("struct taskdescriptor * task;");
3447 headers.println("int index;");
3448 headers.println("int numenterflags;");
3449 headers.println("int * enterflags;");
3450 headers.println("int numpredicatemembers;");
3451 headers.println("struct predicatemember ** predicatememberarray;");
3452 headers.println("};\n\n");
3454 //STRUCT TASKFAILURE
3455 headers.println("struct taskfailure {");
3456 headers.println("struct taskdescriptor * task;");
3457 headers.println("int index;");
3458 headers.println("int numoptionaltaskdescriptors;");
3459 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3461 //STRUCT FSANALYSISWRAPPER
3462 headers.println("struct fsanalysiswrapper{");
3463 headers.println("int flags;");
3464 headers.println("int numtags;");
3465 headers.println("int * tags;");
3466 headers.println("int numtaskfailures;");
3467 headers.println("struct taskfailure ** taskfailurearray;");
3468 headers.println("int numoptionaltaskdescriptors;");
3469 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3471 //STRUCT CLASSANALYSISWRAPPER
3472 headers.println("struct classanalysiswrapper{");
3473 headers.println("int type;");
3474 headers.println("int numotd;");
3475 headers.println("struct optionaltaskdescriptor ** otdarray;");
3476 headers.println("int numfsanalysiswrappers;");
3477 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3479 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3481 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3482 while(taskit.hasNext()) {
3483 TaskDescriptor td=(TaskDescriptor)taskit.next();
3484 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3489 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3490 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3491 int predicateindex = 0;
3492 //iterate through the classes concerned by the predicate
3493 Set c_vard = predicate.vardescriptors;
3494 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3497 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3498 VarDescriptor vard = (VarDescriptor)vard_it.next();
3499 TypeDescriptor typed = vard.getType();
3501 //generate for flags
3502 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3503 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3505 if (fen_hashset!=null) {
3506 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3507 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3509 DNFFlag dflag=fen.getDNF();
3510 numberterms+=dflag.size();
3512 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3514 for(int j=0; j<dflag.size(); j++) {
3516 output.println(",");
3517 Vector term=dflag.get(j);
3520 for(int k=0; k<term.size(); k++) {
3521 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3522 FlagDescriptor fd=dfa.getFlag();
3523 boolean negated=dfa.getNegated();
3524 int flagid=1<<((Integer)flags.get(fd)).intValue();
3529 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3534 output.println("};\n");
3537 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3538 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3541 for(int j=0; j<tagel.numTags(); j++) {
3543 output.println(",");
3544 TempDescriptor tmp=tagel.getTemp(j);
3545 if (!slotnumber.containsKey(tmp)) {
3546 Integer slotint=new Integer(current_slot++);
3547 slotnumber.put(tmp,slotint);
3549 int slot=slotnumber.get(tmp).intValue();
3550 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3552 numtags = tagel.numTags();
3554 output.println("};");
3556 //store the result into a predicatemember struct
3557 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3558 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3559 output.println("/* number of dnf terms */"+numberterms+",");
3560 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3561 output.println("/* number of tag */"+numtags+",");
3562 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3563 output.println("};\n");
3568 //generate an array that stores the entire predicate
3569 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3570 for( int j = 0; j<predicateindex; j++) {
3571 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3572 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3574 output.println("};\n");
3575 return predicateindex;
3579 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3580 generateOptionalHeader(headers);
3582 output.println("#include \"optionalstruct.h\"\n\n");
3583 output.println("#include \"stdlib.h\"\n");
3585 HashSet processedcd = new HashSet();
3587 Enumeration e = safeexecution.keys();
3588 while (e.hasMoreElements()) {
3591 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3592 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3594 //Generate the struct of optionals
3595 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3596 numotd = c_otd.size();
3597 if(maxotd<numotd) maxotd = numotd;
3598 if( !c_otd.isEmpty() ) {
3599 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3600 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3602 //generate the int arrays for the predicate
3603 Predicate predicate = otd.predicate;
3604 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3605 TreeSet<Integer> fsset=new TreeSet<Integer>();
3606 //iterate through possible FSes corresponding to
3607 //the state when entering
3609 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3610 FlagState fs = (FlagState)fses.next();
3612 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3613 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3614 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3617 fsset.add(new Integer(flagid));
3618 //tag information not needed because tag
3619 //changes are not tolerated.
3622 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3623 boolean needcomma=false;
3624 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3627 output.println(it.next());
3630 output.println("};\n");
3633 //generate optionaltaskdescriptor that actually
3634 //includes exit fses, predicate and the task
3636 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3637 output.println("&task_"+otd.td.getSafeSymbol()+",");
3638 output.println("/*index*/"+otd.getIndex()+",");
3639 output.println("/*number of enter flags*/"+fsset.size()+",");
3640 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3641 output.println("/*number of members */"+predicateindex+",");
3642 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3643 output.println("};\n");
3647 // if there are no optionals, there is no need to build the rest of the struct
3649 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3650 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3651 if( !c_otd.isEmpty() ) {
3652 boolean needcomma=false;
3653 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3654 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3656 output.println(",");
3658 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3661 output.println("};\n");
3663 //get all the possible flagstates reachable by an object
3664 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3666 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3667 fsts.addAll(hashtbtemp.keySet());
3668 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3669 FlagState fs = (FlagState)fsit.next();
3672 //get the set of OptionalTaskDescriptors corresponding
3673 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3674 //iterate through the OptionalTaskDescriptors and
3675 //store the pointers to the optionals struct (see on
3676 //top) into an array
3678 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3679 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3680 OptionalTaskDescriptor mm = mos.next();
3682 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3684 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3687 output.println("};\n");
3689 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3692 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3693 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3694 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3698 //process tag information
3701 boolean first = true;
3702 Enumeration tag_enum = fs.getTags();
3703 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3704 while(tag_enum.hasMoreElements()) {
3706 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3710 output.println(", ");
3711 output.println("/*tagid*/"+state.getTagId(tagd));
3713 output.println("};");
3715 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3716 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3717 TaskIndex ti=itti.next();
3721 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3723 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3724 boolean needcomma=false;
3725 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3726 OptionalTaskDescriptor otd=otdit.next();
3730 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3732 output.println("};");
3734 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3735 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3736 output.print(ti.getIndex()+", ");
3737 output.print(otdset.size()+", ");
3738 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3739 output.println("};");
3742 tiset=sa.getTaskIndex(fs);
3743 boolean needcomma=false;
3745 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3746 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3747 TaskIndex ti=itti.next();
3748 if (ti.isRuntime()) {
3755 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3757 output.println("};\n");
3759 //Store the result in fsanalysiswrapper
3761 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3762 output.println("/*flag*/"+flagid+",");
3763 output.println("/* number of tags*/"+tagcounter+",");
3764 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3765 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3766 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3767 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3768 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3769 output.println("};\n");
3773 //Build the array of fsanalysiswrappers
3774 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3775 boolean needcomma=false;
3776 for(int i = 0; i<fscounter; i++) {
3777 if (needcomma) output.print(",");
3778 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3781 output.println("};");
3783 //Build the classanalysiswrapper referring to the previous array
3784 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3785 output.println("/*type*/"+cdtemp.getId()+",");
3786 output.println("/*numotd*/"+numotd+",");
3787 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3788 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3789 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3790 processedcd.add(cdtemp);
3793 //build an array containing every classes for which code has been build
3794 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3795 for(int i=0; i<state.numClasses(); i++) {
3796 ClassDescriptor cn=cdarray[i];
3799 if ((cn != null) && (processedcd.contains(cn)))
3800 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3802 output.print("NULL");
3804 output.println("};");
3806 output.println("#define MAXOTD "+maxotd);
3807 headers.println("#endif");
3810 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3811 Relation r=new Relation();
3812 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3813 OptionalTaskDescriptor otd=otdit.next();
3814 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3818 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3819 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3820 Set s=r.get(it.next());
3821 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3822 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3832 // either create and register an extension object with buildcode
3833 // or look at the following option of subclassing BuildCode
3834 private Vector<BuildCodeExtension> extensions;
3836 // note that extensions are invoked in the order they are added
3838 public void registerExtension( BuildCodeExtension bcx ) {
3839 extensions.add( bcx );
3843 // override these methods in a subclass of BuildCode
3844 // to generate code for additional systems
3845 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3847 protected void outputTransCode(PrintWriter output) {
3849 protected void buildCodeSetup() {
3851 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3853 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3855 protected void preCodeGenInitialization() {
3857 protected void postCodeGenCleanUp() {
3859 protected void additionalCodeGen(PrintWriter outmethodheader,
3860 PrintWriter outstructs,
3861 PrintWriter outmethod) {
3863 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3865 protected void additionalCodeForCommandLineArgs(PrintWriter outmethod, String argsVar) {
3867 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3869 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3871 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3873 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3875 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3877 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3879 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3881 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3884 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3885 // we do not print out line number if no one explicitly set the number
3886 if(fn.getNumLine()!=-1) {
3888 int lineNum=fn.getNumLine();
3890 // do not generate the line number if it is same as the previous one
3891 boolean needtoprint;
3892 if(fn.prev.size()==0) {
3898 for(int i=0; i<fn.prev.size(); i++) {
3899 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3900 if(prevLineNum!=lineNum) {
3906 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());