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;
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>();
88 /** The buildCode method outputs C code for all the methods. The Flat
89 * versions of the methods must already be generated and stored in
90 * the State object. */
92 public void buildCode() {
93 /* Create output streams to write to */
94 PrintWriter outclassdefs=null;
95 PrintWriter outstructs=null;
96 PrintWriter outrepairstructs=null;
97 PrintWriter outmethodheader=null;
98 PrintWriter outmethod=null;
99 PrintWriter outvirtual=null;
100 PrintWriter outtask=null;
101 PrintWriter outtaskdefs=null;
102 PrintWriter outoptionalarrays=null;
103 PrintWriter optionalheaders=null;
104 PrintWriter outglobaldefs=null;
105 PrintWriter outglobaldefsprim=null;
106 State.logEvent("Beginning of buildCode");
109 buildCodeSetup(); //EXTENSION POINT
110 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
111 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
112 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
113 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
114 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
115 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
116 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
118 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
119 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
120 if (state.OPTIONAL) {
121 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
122 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
125 if (state.structfile!=null) {
126 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
128 } catch (Exception e) {
133 /* Fix field safe symbols due to shadowing */
134 FieldShadow.handleFieldShadow(state);
136 /* Build the virtual dispatch tables */
137 buildVirtualTables(outvirtual);
139 /* Tag the methods that are invoked by static blocks */
140 tagMethodInvokedByStaticBlock();
142 /* Output includes */
143 outmethodheader.println("#ifndef METHODHEADERS_H");
144 outmethodheader.println("#define METHODHEADERS_H");
145 outmethodheader.println("#include \"structdefs.h\"");
147 if (state.EVENTMONITOR) {
148 outmethodheader.println("#include \"monitor.h\"");
151 additionalIncludesMethodsHeader(outmethodheader);
153 /* Output Structures */
154 outputStructs(outstructs);
156 initOutputGlobals(outglobaldefs, outglobaldefsprim);
158 outclassdefs.println("#ifndef __CLASSDEF_H_");
159 outclassdefs.println("#define __CLASSDEF_H_");
160 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
162 // Output function prototypes and structures for parameters
163 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
164 while(it.hasNext()) {
165 ClassDescriptor cn=(ClassDescriptor)it.next();
166 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
168 outclassdefs.println("#include \"globaldefs.h\"");
169 outclassdefs.println("#include \"globaldefsprim.h\"");
170 outclassdefs.println("#endif");
171 outclassdefs.close();
173 finalOutputGlobals(outglobaldefs, outglobaldefsprim);
176 /* Map flags to integers */
177 /* The runtime keeps track of flags using these integers */
178 it=state.getClassSymbolTable().getDescriptorsIterator();
179 while(it.hasNext()) {
180 ClassDescriptor cn=(ClassDescriptor)it.next();
184 generateTaskStructs(outstructs, outmethodheader);
186 /* Outputs generic task structures if this is a task
188 outputTaskTypes(outtask);
191 // an opportunity for subclasses to do extra
193 preCodeGenInitialization();
195 State.logEvent("Start outputMethods");
196 /* Build the actual methods */
197 outputMethods(outmethod);
198 State.logEvent("End outputMethods");
200 // opportunity for subclasses to gen extra code
201 additionalCodeGen(outmethodheader, outstructs, outmethod);
204 /* Output code for tasks */
205 outputTaskCode(outtaskdefs, outmethod);
208 /* Record maximum number of task parameters */
209 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
210 } else if (state.main!=null) {
211 /* Generate main method */
212 outputMainMethod(outmethod);
215 /* Generate information for task with optional parameters */
216 if (state.TASK&&state.OPTIONAL) {
217 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
218 outoptionalarrays.close();
219 optionalheaders.close();
222 /* Output structure definitions for repair tool */
223 if (state.structfile!=null) {
224 buildRepairStructs(outrepairstructs);
225 outrepairstructs.close();
229 outmethodheader.println("#endif");
230 outmethodheader.close();
232 outstructs.println("#endif");
233 outstructs.println();
236 postCodeGenCleanUp();
237 State.logEvent("End of buildCode");
240 protected void initOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
241 // Output the C class declarations
242 // These could mutually reference each other
243 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
244 outglobaldefs.println("#define __GLOBALDEF_H_");
245 outglobaldefs.println("");
246 outglobaldefs.println("struct global_defs_t {");
247 outglobaldefs.println(" int size;");
248 outglobaldefs.println(" void * next;");
249 outglobaldefs.println(" struct ArrayObject * classobjs;");
250 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
251 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
252 outglobaldefsprim.println("");
253 outglobaldefsprim.println("struct global_defsprim_t {");
256 protected void finalOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
257 outglobaldefs.println("};");
258 outglobaldefs.println("");
259 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
260 outglobaldefs.println("#endif");
261 outglobaldefs.flush();
262 outglobaldefs.close();
264 outglobaldefsprim.println("};");
265 outglobaldefsprim.println("");
266 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
267 outglobaldefsprim.println("#endif");
268 outglobaldefsprim.flush();
269 outglobaldefsprim.close();
272 /* This method goes though the call graph and tag those methods that are
273 * invoked inside static blocks
275 protected void tagMethodInvokedByStaticBlock() {
276 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
277 MethodDescriptor current_md=null;
278 HashSet tovisit=new HashSet();
279 HashSet visited=new HashSet();
281 while(it_sclasses.hasNext()) {
282 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
283 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
289 while(!tovisit.isEmpty()) {
290 current_md=(MethodDescriptor)tovisit.iterator().next();
291 tovisit.remove(current_md);
292 visited.add(current_md);
293 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
294 while(it_callee.hasNext()) {
295 Descriptor d = (Descriptor)it_callee.next();
296 if(d instanceof MethodDescriptor) {
297 if(!visited.contains(d)) {
298 ((MethodDescriptor)d).setIsInvokedByStatic(true);
306 /* This code generates code for each static block and static field
308 protected void outputStaticBlocks(PrintWriter outmethod) {
309 // execute all the static blocks and all the static field initializations
310 // execute all the static blocks and all the static field initializations
311 SymbolTable sctbl = this.state.getSClassSymbolTable();
312 Iterator it_sclasses = sctbl.getDescriptorsIterator();
313 if(it_sclasses.hasNext()) {
314 while(it_sclasses.hasNext()) {
315 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
316 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
318 if(t_md != null&&callgraph.isInit(t_cd)) {
319 outmethod.println(" {");
320 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
321 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
322 outmethod.println("0, NULL};");
323 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
325 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
327 outmethod.println(" }");
333 /* This code generates code to create a Class object for each class for
336 protected void outputClassObjects(PrintWriter outmethod) {
337 // create a global classobj array
338 outmethod.println(" {");
339 outmethod.println(" int i = 0;");
340 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
341 outmethod.println(" struct garbagelist dummy={0,NULL};");
342 outmethod.println(" global_defs_p->classobjs = allocate_newarray(&dummy, OBJECTARRAYTYPE, "
343 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
345 outmethod.println(" global_defs_p->classobjs = allocate_newarray(OBJECTARRAYTYPE, "
346 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
348 outmethod.println(" for(i = 0; i < " + (state.numClasses()+state.numArrays()+state.numInterfaces()) + "; i++) {");
349 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
350 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(NULL, " +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
352 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(" +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
354 outmethod.println(" }");
355 outmethod.println(" }");
358 /* This code just generates the main C method for java programs.
359 * The main C method packs up the arguments into a string array
360 * and passes it to the java main method. */
362 protected void outputMainMethod(PrintWriter outmethod) {
363 outmethod.println("int main(int argc, const char *argv[]) {");
364 outmethod.println(" int i;");
366 outmethod.println("initializethreads();");
368 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
369 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
370 if (GENERATEPRECISEGC) {
371 outmethod.println(" global_defs_p->size="+globaldefscount+";");
372 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
373 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
374 outmethod.println(" }");
376 outputStaticBlocks(outmethod);
377 outputClassObjects(outmethod);
380 additionalCodeAtTopOfMain(outmethod);
383 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
384 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
386 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
388 outmethod.println(" for(i=1;i<argc;i++) {");
389 outmethod.println(" int length=strlen(argv[i]);");
391 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
392 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
394 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
396 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
397 outmethod.println(" }");
399 MethodDescriptor md=typeutil.getMain();
400 ClassDescriptor cd=typeutil.getMainClass();
402 outmethod.println(" {");
403 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
404 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
405 outmethod.println("1, NULL,"+"stringarray};");
406 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
408 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
410 outmethod.println(" }");
413 outmethod.println("pthread_mutex_lock(&gclistlock);");
414 outmethod.println("threadcount--;");
415 outmethod.println("pthread_cond_signal(&gccond);");
416 outmethod.println("pthread_mutex_unlock(&gclistlock);");
419 if (state.EVENTMONITOR) {
420 outmethod.println("dumpdata();");
424 outmethod.println("pthread_exit(NULL);");
427 additionalCodeAtBottomOfMain(outmethod);
429 outmethod.println("}");
432 /* This method outputs code for each task. */
434 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
435 /* Compile task based program */
436 outtaskdefs.println("#include \"task.h\"");
437 outtaskdefs.println("#include \"methodheaders.h\"");
438 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
439 while(taskit.hasNext()) {
440 TaskDescriptor td=(TaskDescriptor)taskit.next();
441 FlatMethod fm=state.getMethodFlat(td);
443 generateFlatMethod(fm, outmethod);
444 generateTaskDescriptor(outtaskdefs, fm, td);
447 //Output task descriptors
448 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
449 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
451 while(taskit.hasNext()) {
452 TaskDescriptor td=(TaskDescriptor)taskit.next();
456 outtaskdefs.println(",");
457 outtaskdefs.print("&task_"+td.getSafeSymbol());
459 outtaskdefs.println("};");
461 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
465 /* This method outputs most of the methods.c file. This includes
466 * some standard includes and then an array with the sizes of
467 * objets and array that stores supertype and then the code for
468 * the Java methods.. */
469 protected void outputMethods(PrintWriter outmethod) {
470 outmethod.println("#include \"methodheaders.h\"");
471 outmethod.println("#include \"virtualtable.h\"");
472 outmethod.println("#include \"runtime.h\"");
474 outmethod.println("#include \"jni-private.h\"");
477 // always include: compiler directives will leave out
478 // instrumentation when option is not set
479 if(!state.MULTICORE) {
480 outmethod.println("#include \"coreprof/coreprof.h\"");
483 if (state.FASTCHECK) {
484 outmethod.println("#include \"localobjects.h\"");
486 if(state.MULTICORE) {
488 outmethod.println("#include \"task.h\"");
490 outmethod.println("#include \"multicoreruntime.h\"");
491 outmethod.println("#include \"runtime_arch.h\"");
493 if (state.THREAD||state.DSM||state.SINGLETM) {
494 outmethod.println("#include <thread.h>");
497 outmethod.println("#include \"thread.h\"");
499 if (state.main!=null) {
500 outmethod.println("#include <string.h>");
502 if (state.CONSCHECK) {
503 outmethod.println("#include \"checkers.h\"");
507 additionalIncludesMethodsImplementation(outmethod);
509 outmethod.println("struct global_defs_t * global_defs_p;");
510 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
511 //Store the sizes of classes & array elements
512 generateSizeArray(outmethod);
514 //Store table of supertypes
515 generateSuperTypeTable(outmethod);
517 //Store the layout of classes
518 generateLayoutStructs(outmethod);
521 additionalCodeAtTopMethodsImplementation(outmethod);
523 generateMethods(outmethod);
526 protected void generateMethods(PrintWriter outmethod) {
527 /* Generate code for methods */
528 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
529 while(classit.hasNext()) {
530 ClassDescriptor cn=(ClassDescriptor)classit.next();
531 Iterator methodit=cn.getMethods();
532 while(methodit.hasNext()) {
533 /* Classify parameters */
534 MethodDescriptor md=(MethodDescriptor)methodit.next();
535 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
539 FlatMethod fm=state.getMethodFlat(md);
540 if (!md.getModifiers().isNative()) {
541 generateFlatMethod(fm, outmethod);
542 } else if (state.JNI) {
543 generateNativeFlatMethod(fm, outmethod);
549 protected void outputStructs(PrintWriter outstructs) {
550 outstructs.println("#ifndef __STRUCTDEFS_H__");
551 outstructs.println("#define __STRUCTDEFS_H__");
552 outstructs.println("#include \"classdefs.h\"");
553 outstructs.println("#ifndef INTPTR");
554 outstructs.println("#ifdef BIT64");
555 outstructs.println("#define INTPTR long");
556 outstructs.println("#else");
557 outstructs.println("#define INTPTR int");
558 outstructs.println("#endif");
559 outstructs.println("#endif");
562 additionalIncludesStructsHeader(outstructs);
565 /* Output #defines that the runtime uses to determine type
566 * numbers for various objects it needs */
567 outstructs.println("#define MAXCOUNT "+maxcount);
569 outstructs.println("#define STRINGARRAYTYPE "+
570 (state.getArrayNumber(
571 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
573 outstructs.println("#define OBJECTARRAYTYPE "+
574 (state.getArrayNumber(
575 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
578 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
579 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
580 outstructs.println("#define CHARARRAYTYPE "+
581 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
583 outstructs.println("#define BYTEARRAYTYPE "+
584 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
586 outstructs.println("#define BYTEARRAYARRAYTYPE "+
587 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
589 outstructs.println("#define NUMCLASSES "+state.numClasses());
590 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
591 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
593 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
594 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
595 outstructs.println("#define TAGARRAYTYPE "+
596 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
600 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
601 if (state.THREAD||state.DSM||state.SINGLETM)
602 outclassdefs.println("#include <pthread.h>");
603 outclassdefs.println("#ifndef INTPTR");
604 outclassdefs.println("#ifdef BIT64");
605 outclassdefs.println("#define INTPTR long");
606 outclassdefs.println("#else");
607 outclassdefs.println("#define INTPTR int");
608 outclassdefs.println("#endif");
609 outclassdefs.println("#endif");
611 outclassdefs.println("#include \"optionalstruct.h\"");
612 outclassdefs.println("struct "+arraytype+";");
613 /* Start by declaring all structs */
614 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
615 while(it.hasNext()) {
616 ClassDescriptor cn=(ClassDescriptor)it.next();
617 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
619 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
620 // this class has static fields/blocks, need to add a global flag to
621 // indicate if its static fields have been initialized and/or if its
622 // static blocks have been executed
623 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
626 outclassdefs.println("");
627 //Print out definition for array type
628 outclassdefs.println("struct "+arraytype+" {");
629 outclassdefs.println(" int type;");
630 outclassdefs.println(" int hashcode;");
632 additionalClassObjectFields(outclassdefs);
635 if (state.EVENTMONITOR) {
636 outclassdefs.println(" int objuid;");
639 outclassdefs.println(" volatile int tid;");
640 outclassdefs.println(" volatile int notifycount;");
643 outclassdefs.println(" int mutex;");
644 outclassdefs.println(" volatile int notifycount;");
645 outclassdefs.println(" volatile int objlock;");
646 if(state.MULTICOREGC) {
647 outclassdefs.println(" int marked;");
651 outclassdefs.println(" int flag;");
652 outclassdefs.println(" int ___cachedCode___;");
653 if(!state.MULTICORE) {
654 outclassdefs.println(" void * flagptr;");
656 outclassdefs.println(" int version;");
657 outclassdefs.println(" int * lock;"); // lock entry for this obj
658 outclassdefs.println(" int mutex;");
659 outclassdefs.println(" volatile int lockcount;");
660 if(state.MULTICOREGC) {
661 outclassdefs.println(" int marked;");
665 outclassdefs.println(" int numfses;");
666 outclassdefs.println(" int * fses;");
670 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
671 printedfieldstbl.clear();
672 printExtraArrayFields(outclassdefs);
673 if (state.ARRAYPAD) {
674 outclassdefs.println(" int paddingforarray;");
677 outclassdefs.println(" int ___length___;");
678 outclassdefs.println("};\n");
680 outclassdefs.println("");
681 outclassdefs.println("extern int classsize[];");
682 outclassdefs.println("extern int hasflags[];");
683 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
684 outclassdefs.println("extern int* supertypes[];");
685 outclassdefs.println("");
688 /** Prints out definitions for generic task structures */
690 protected void outputTaskTypes(PrintWriter outtask) {
691 outtask.println("#ifndef _TASK_H");
692 outtask.println("#define _TASK_H");
693 outtask.println("struct parameterdescriptor {");
694 outtask.println("int type;");
695 outtask.println("int numberterms;");
696 outtask.println("int *intarray;");
697 outtask.println("void * queue;");
698 outtask.println("int numbertags;");
699 outtask.println("int *tagarray;");
700 outtask.println("};");
702 outtask.println("struct taskdescriptor {");
703 outtask.println("void * taskptr;");
704 outtask.println("int numParameters;");
705 outtask.println(" int numTotal;");
706 outtask.println("struct parameterdescriptor **descriptorarray;");
707 outtask.println("char * name;");
708 outtask.println("};");
709 outtask.println("extern struct taskdescriptor * taskarray[];");
710 outtask.println("extern numtasks;");
711 outtask.println("#endif");
715 protected void buildRepairStructs(PrintWriter outrepairstructs) {
716 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
717 while(classit.hasNext()) {
718 ClassDescriptor cn=(ClassDescriptor)classit.next();
719 outrepairstructs.println("structure "+cn.getSymbol()+" {");
720 outrepairstructs.println(" int __type__;");
722 outrepairstructs.println(" int __flag__;");
723 if(!state.MULTICORE) {
724 outrepairstructs.println(" int __flagptr__;");
727 printRepairStruct(cn, outrepairstructs);
728 outrepairstructs.println("}\n");
731 for(int i=0; i<state.numArrays(); i++) {
732 TypeDescriptor tdarray=arraytable[i];
733 TypeDescriptor tdelement=tdarray.dereference();
734 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
735 outrepairstructs.println(" int __type__;");
736 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
737 outrepairstructs.println(" int length;");
738 outrepairstructs.println("}\n");
742 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
743 ClassDescriptor sp=cn.getSuperDesc();
745 printRepairStruct(sp, output);
747 Vector fields=(Vector)fieldorder.get(cn);
749 for(int i=0; i<fields.size(); i++) {
750 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
751 if (fd.getType().isArray()) {
752 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
753 } else if (fd.getType().isClass())
754 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
755 else if (fd.getType().isFloat())
756 output.println(" int "+fd.getSymbol()+"; /* really float */");
758 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
762 /** This method outputs TaskDescriptor information */
763 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
764 for (int i=0; i<task.numParameters(); i++) {
765 VarDescriptor param_var=task.getParameter(i);
766 TypeDescriptor param_type=task.getParamType(i);
767 FlagExpressionNode param_flag=task.getFlag(param_var);
768 TagExpressionList param_tag=task.getTag(param_var);
771 if (param_flag==null) {
772 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
773 output.println("0x0, 0x0 };");
776 DNFFlag dflag=param_flag.getDNF();
777 dnfterms=dflag.size();
779 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
780 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
781 for(int j=0; j<dflag.size(); j++) {
784 Vector term=dflag.get(j);
787 for(int k=0; k<term.size(); k++) {
788 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
789 FlagDescriptor fd=dfa.getFlag();
790 boolean negated=dfa.getNegated();
791 int flagid=1<<((Integer)flags.get(fd)).intValue();
796 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
798 output.println("};");
801 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
803 for(int j=0; j<param_tag.numTags(); j++) {
806 /* for each tag we need */
807 /* which slot it is */
808 /* what type it is */
809 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
810 TempDescriptor tmp=param_tag.getTemp(j);
811 int slot=fm.getTagInt(tmp);
812 output.println(slot+", "+state.getTagId(tvd.getTag()));
814 output.println("};");
816 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
817 output.println("/* type */"+param_type.getClassDesc().getId()+",");
818 output.println("/* number of DNF terms */"+dnfterms+",");
819 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
820 output.println("0,");
822 output.println("/* number of tags */"+param_tag.numTags()+",");
824 output.println("/* number of tags */ 0,");
825 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
826 output.println("};");
830 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
831 for (int i=0; i<task.numParameters(); i++) {
834 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
836 output.println("};");
838 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
839 output.println("&"+task.getSafeSymbol()+",");
840 output.println("/* number of parameters */" +task.numParameters() + ",");
841 int numtotal=task.numParameters()+fm.numTags();
842 output.println("/* number total parameters */" +numtotal + ",");
843 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
844 output.println("\""+task.getSymbol()+"\"");
845 output.println("};");
849 /** The buildVirtualTables method outputs the virtual dispatch
850 * tables for methods. */
852 protected void buildVirtualTables(PrintWriter outvirtual) {
853 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
854 while(classit.hasNext()) {
855 ClassDescriptor cd=(ClassDescriptor)classit.next();
856 if (virtualcalls.getMethodCount(cd)>maxcount)
857 maxcount=virtualcalls.getMethodCount(cd);
859 MethodDescriptor[][] virtualtable=null;
860 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
862 /* Fill in virtual table */
863 classit=state.getClassSymbolTable().getDescriptorsIterator();
864 while(classit.hasNext()) {
865 ClassDescriptor cd=(ClassDescriptor)classit.next();
866 if(cd.isInterface()) {
869 fillinRow(cd, virtualtable, cd.getId());
872 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
873 Iterator arrayit=state.getArrayIterator();
874 while(arrayit.hasNext()) {
875 TypeDescriptor td=(TypeDescriptor)arrayit.next();
876 int id=state.getArrayNumber(td);
877 fillinRow(objectcd, virtualtable, id+state.numClasses());
880 outvirtual.print("void * virtualtable[]={");
881 boolean needcomma=false;
882 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
883 for(int j=0; j<maxcount; j++) {
885 outvirtual.print(", ");
886 if (virtualtable[i][j]!=null) {
887 MethodDescriptor md=virtualtable[i][j];
888 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
890 outvirtual.print("0");
894 outvirtual.println("");
896 outvirtual.println("};");
900 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
901 /* Get inherited methods */
902 Iterator it_sifs = cd.getSuperInterfaces();
903 while(it_sifs.hasNext()) {
904 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
905 fillinRow(superif, virtualtable, rownum);
907 if (cd.getSuperDesc()!=null)
908 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
909 /* Override them with our methods */
910 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
911 MethodDescriptor md=(MethodDescriptor)it.next();
912 if (md.isStatic()||md.getReturnType()==null)
915 if (!callgraph.isCallable(md)) {
919 int methodnum = virtualcalls.getMethodNumber(md);
920 virtualtable[rownum][methodnum]=md;
924 /** Generate array that contains the sizes of class objects. The
925 * object allocation functions in the runtime use this
928 protected void generateSizeArray(PrintWriter outclassdefs) {
929 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
930 generateSizeArrayExtensions(outclassdefs);
932 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
933 cdarray=new ClassDescriptor[state.numClasses()];
934 ifarray = new ClassDescriptor[state.numInterfaces()];
937 while(it.hasNext()) {
938 ClassDescriptor cd=(ClassDescriptor)it.next();
939 if(cd.isInterface()) {
940 ifarray[cd.getId()] = cd;
942 cdarray[cd.getId()] = cd;
946 arraytable=new TypeDescriptor[state.numArrays()];
948 Iterator arrayit=state.getArrayIterator();
949 while(arrayit.hasNext()) {
950 TypeDescriptor td=(TypeDescriptor)arrayit.next();
951 int id=state.getArrayNumber(td);
955 /* Print out types */
956 outclassdefs.println("/* ");
957 for(int i=0; i<state.numClasses(); i++) {
958 ClassDescriptor cd=cdarray[i];
960 outclassdefs.println("NULL " + i);
962 outclassdefs.println(cd +" "+i);
966 for(int i=0; i<state.numArrays(); i++) {
967 TypeDescriptor arraytd=arraytable[i];
968 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
971 for(int i=0; i<state.numInterfaces(); i++) {
972 ClassDescriptor ifcd = ifarray[i];
973 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
976 outclassdefs.println("*/");
979 outclassdefs.print("int classsize[]={");
981 boolean needcomma=false;
982 for(int i=0; i<state.numClasses(); i++) {
984 outclassdefs.print(", ");
986 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
988 outclassdefs.print("0");
994 for(int i=0; i<state.numArrays(); i++) {
996 outclassdefs.print(", ");
997 TypeDescriptor tdelement=arraytable[i].dereference();
998 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
999 outclassdefs.print("sizeof(void *)");
1001 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1005 for(int i=0; i<state.numInterfaces(); i++) {
1007 outclassdefs.print(", ");
1008 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
1012 outclassdefs.println("};");
1014 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1016 outclassdefs.print("int typearray[]={");
1017 for(int i=0; i<state.numClasses(); i++) {
1018 ClassDescriptor cd=cdarray[i];
1019 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1020 if(supercd != null && supercd.isInterface()) {
1021 throw new Error("Super class can not be interfaces");
1024 outclassdefs.print(", ");
1026 outclassdefs.print("-1");
1028 outclassdefs.print(supercd.getId());
1032 for(int i=0; i<state.numArrays(); i++) {
1033 TypeDescriptor arraytd=arraytable[i];
1034 ClassDescriptor arraycd=arraytd.getClassDesc();
1035 if (arraycd==null) {
1037 outclassdefs.print(", ");
1038 outclassdefs.print(objectclass.getId());
1042 ClassDescriptor cd=arraycd.getSuperDesc();
1045 TypeDescriptor supertd=new TypeDescriptor(cd);
1046 supertd.setArrayCount(arraytd.getArrayCount());
1047 type=state.getArrayNumber(supertd);
1049 type+=state.numClasses();
1052 cd=cd.getSuperDesc();
1055 outclassdefs.print(", ");
1056 outclassdefs.print(type);
1060 for(int i=0; i<state.numInterfaces(); i++) {
1061 ClassDescriptor cd=ifarray[i];
1062 ClassDescriptor supercd=cd.getSuperDesc();
1063 if(supercd != null && supercd.isInterface()) {
1064 throw new Error("Super class can not be interfaces");
1067 outclassdefs.print(", ");
1069 outclassdefs.print("-1");
1071 outclassdefs.print(supercd.getId());
1075 outclassdefs.println("};");
1080 outclassdefs.print("int typearray2[]={");
1081 for(int i=0; i<state.numArrays(); i++) {
1082 TypeDescriptor arraytd=arraytable[i];
1083 ClassDescriptor arraycd=arraytd.getClassDesc();
1084 if (arraycd==null) {
1086 outclassdefs.print(", ");
1087 outclassdefs.print("-1");
1091 ClassDescriptor cd=arraycd.getSuperDesc();
1092 int level=arraytd.getArrayCount()-1;
1094 for(; level>0; level--) {
1095 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1096 supertd.setArrayCount(level);
1097 type=state.getArrayNumber(supertd);
1099 type+=state.numClasses();
1104 outclassdefs.print(", ");
1105 outclassdefs.print(type);
1109 outclassdefs.println("};");
1112 /** Constructs params and temp objects for each method or task.
1113 * These objects tell the compiler which temps need to be
1116 protected void generateTempStructs(FlatMethod fm) {
1117 MethodDescriptor md=fm.getMethod();
1118 TaskDescriptor task=fm.getTask();
1119 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
1121 paramstable.put(md, objectparams);
1123 paramstable.put(task, objectparams);
1125 for(int i=0; i<fm.numParameters(); i++) {
1126 TempDescriptor temp=fm.getParameter(i);
1127 TypeDescriptor type=temp.getType();
1128 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1129 objectparams.addPtr(temp);
1131 objectparams.addPrim(temp);
1134 for(int i=0; i<fm.numTags(); i++) {
1135 TempDescriptor temp=fm.getTag(i);
1136 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1137 objectparams.addPtr(temp);
1139 objectparams.addPrim(temp);
1142 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
1144 tempstable.put(md, objecttemps);
1146 tempstable.put(task, objecttemps);
1148 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1149 FlatNode fn=(FlatNode)nodeit.next();
1150 TempDescriptor[] writes=fn.writesTemps();
1151 for(int i=0; i<writes.length; i++) {
1152 TempDescriptor temp=writes[i];
1153 TypeDescriptor type=temp.getType();
1154 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1155 objecttemps.addPtr(temp);
1157 objecttemps.addPrim(temp);
1162 /** This method outputs the following information about classes
1164 * (1) For classes, what are the locations of pointers.
1165 * (2) For arrays, does the array contain pointers or primitives.
1166 * (3) For classes, does the class contain flags.
1169 protected void generateLayoutStructs(PrintWriter output) {
1170 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1171 while(it.hasNext()) {
1172 ClassDescriptor cn=(ClassDescriptor)it.next();
1173 output.print("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1174 if (javabuilder!=null&&!javabuilder.hasLayout(cn)) {
1175 output.println("0};");
1180 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1181 FieldDescriptor fd=(FieldDescriptor)allit.next();
1185 TypeDescriptor type=fd.getType();
1189 output.print(count);
1190 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1191 FieldDescriptor fd=(FieldDescriptor)allit.next();
1195 TypeDescriptor type=fd.getType();
1198 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1199 fd.getSafeSymbol()+"))");
1202 output.println("};");
1205 output.println("unsigned INTPTR * pointerarray[]={");
1206 boolean needcomma=false;
1207 for(int i=0; i<state.numClasses(); i++) {
1208 ClassDescriptor cn=cdarray[i];
1210 output.println(",");
1213 output.print(cn.getSafeSymbol()+"_pointers");
1215 output.print("NULL");
1219 for(int i=0; i<state.numArrays(); i++) {
1221 output.println(", ");
1222 TypeDescriptor tdelement=arraytable[i].dereference();
1223 if (tdelement.isArray()||tdelement.isClass())
1224 output.print("((unsigned INTPTR *)1)");
1230 output.println("};");
1232 output.println("int hasflags[]={");
1233 for(int i=0; i<state.numClasses(); i++) {
1234 ClassDescriptor cn=cdarray[i];
1236 output.println(", ");
1238 if ((cn != null) && (cn.hasFlags()))
1243 output.println("};");
1246 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1249 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1250 supertd.setArrayCount(arraytd.getArrayCount());
1251 type=state.getArrayNumber(supertd);
1256 ClassDescriptor cd = arraycd.getSuperDesc();
1258 type = checkarraysupertype(cd, arraytd);
1264 Iterator it_sifs = arraycd.getSuperInterfaces();
1265 while(it_sifs.hasNext()) {
1266 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1267 type = checkarraysupertype(ifcd, arraytd);
1277 /** Print out table to give us supertypes */
1278 protected void generateSuperTypeTable(PrintWriter output) {
1279 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1280 for(int i=0; i<state.numClasses(); i++) {
1281 ClassDescriptor cn=cdarray[i];
1285 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1286 boolean ncomma = false;
1288 if((cn != null) && (cn.getSuperDesc() != null)) {
1291 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1292 while(it_sifs != null && it_sifs.hasNext()) {
1298 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1302 ClassDescriptor cdsuper=cn.getSuperDesc();
1303 output.print(cdsuper.getId());
1305 it_sifs = cn != null?cn.getSuperInterfaces():null;
1306 while(it_sifs != null && it_sifs.hasNext()) {
1310 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1313 output.println("};");
1316 for(int i=0; i<state.numArrays(); i++) {
1317 TypeDescriptor arraytd=arraytable[i];
1318 ClassDescriptor arraycd=arraytd.getClassDesc();
1319 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1320 boolean ncomma = false;
1322 if (arraycd==null) {
1326 output.print(objectclass.getId());
1327 output.println("};");
1330 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1333 Iterator it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1334 while(it_sifs != null && it_sifs.hasNext()) {
1340 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1341 ClassDescriptor cd=arraycd.getSuperDesc();
1344 type = checkarraysupertype(cd, arraytd);
1346 type += state.numClasses();
1353 it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1354 while(it_sifs != null && it_sifs.hasNext()) {
1355 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1356 int type = checkarraysupertype(ifcd, arraytd);
1358 type += state.numClasses();
1364 output.println("};");
1367 for(int i=0; i<state.numInterfaces(); i++) {
1368 ClassDescriptor cn=ifarray[i];
1372 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1373 boolean ncomma = false;
1375 if((cn != null) && (cn.getSuperDesc() != null)) {
1378 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1379 while(it_sifs != null && it_sifs.hasNext()) {
1385 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1389 ClassDescriptor cdsuper=cn.getSuperDesc();
1390 output.print(cdsuper.getId());
1392 it_sifs = cn != null?cn.getSuperInterfaces():null;
1393 while(it_sifs != null && it_sifs.hasNext()) {
1397 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1400 output.println("};");
1403 output.println("int* supertypes[]={");
1404 boolean needcomma=false;
1405 for(int i=0; i<state.numClasses(); i++) {
1406 ClassDescriptor cn=cdarray[i];
1408 output.println(",");
1411 output.print("supertypes" + cn.getSafeSymbol());
1417 for(int i=0; i<state.numArrays(); i++) {
1419 output.println(",");
1421 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1424 for(int i=0; i<state.numInterfaces(); i++) {
1425 ClassDescriptor cn=ifarray[i];
1427 output.println(",");
1429 output.print("supertypes" + cn.getSafeSymbol());
1431 output.println("};");
1434 /** Force consistent field ordering between inherited classes. */
1436 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1438 ClassDescriptor sp=cn.getSuperDesc();
1440 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1442 SymbolTable sitbl = cn.getSuperInterfaceTable();
1443 Iterator it_sifs = sitbl.getDescriptorsIterator();
1444 while(it_sifs.hasNext()) {
1445 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1446 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1449 if (!fieldorder.containsKey(cn)) {
1450 Vector fields=new Vector();
1451 fieldorder.put(cn,fields);
1453 Vector fieldvec=cn.getFieldVec();
1455 for(int i=0; i<fieldvec.size(); i++) {
1456 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1457 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1460 it_sifs = sitbl.getDescriptorsIterator();
1461 while(it_sifs.hasNext()) {
1462 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1463 if(si.getFieldTable().contains(fd.getSymbol())) {
1471 //Vector fields=(Vector)fieldorder.get(cn);
1473 Vector fields = cn.getFieldVec();
1475 for(int i=0; i<fields.size(); i++) {
1476 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1477 String fstring = fd.getSafeSymbol();
1478 if(printedfieldstbl.containsKey(fstring)) {
1479 printedfieldstbl.put(fstring, cn);
1482 printedfieldstbl.put(fstring, cn);
1484 if (fd.getType().isClass()
1485 && fd.getType().getClassDesc().isEnum()) {
1486 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1487 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1488 if (fd.isStatic()) {
1489 // TODO add version for normal Java later
1491 if(globaldefout != null) {
1492 if(fd.isVolatile()) {
1493 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1495 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1499 } else if (fd.isVolatile()) {
1501 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1503 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1505 } else if (fd.isStatic()) {
1506 // TODO add version for normal Java later
1508 if(globaldefout != null) {
1509 if(fd.isVolatile()) {
1510 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1512 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1515 } else if (fd.isVolatile()) {
1517 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1519 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1524 /* Map flags to integers consistently between inherited
1527 protected void mapFlags(ClassDescriptor cn) {
1528 ClassDescriptor sp=cn.getSuperDesc();
1532 if (!flagorder.containsKey(cn)) {
1533 Hashtable flags=new Hashtable();
1534 flagorder.put(cn,flags);
1536 Hashtable superflags=(Hashtable)flagorder.get(sp);
1537 Iterator superflagit=superflags.keySet().iterator();
1538 while(superflagit.hasNext()) {
1539 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1540 Integer number=(Integer)superflags.get(fd);
1541 flags.put(fd, number);
1542 if ((number.intValue()+1)>max)
1543 max=number.intValue()+1;
1547 Iterator flagit=cn.getFlags();
1548 while(flagit.hasNext()) {
1549 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1550 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1551 flags.put(fd, new Integer(max++));
1557 /** This function outputs (1) structures that parameters are
1558 * passed in (when PRECISE GC is enabled) and (2) function
1559 * prototypes for the methods */
1561 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1562 /* Output class structure */
1563 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1564 classdefout.println(" int type;");
1565 classdefout.println(" int hashcode;");
1567 additionalClassObjectFields(classdefout);
1570 if (state.EVENTMONITOR) {
1571 classdefout.println(" int objuid;");
1574 classdefout.println(" volatile int tid;");
1575 classdefout.println(" volatile int notifycount;");
1578 classdefout.println(" int mutex;");
1579 classdefout.println(" volatile int notifycount;");
1580 classdefout.println(" volatile int objlock;");
1581 if(state.MULTICOREGC) {
1582 classdefout.println(" int marked;");
1586 classdefout.println(" int flag;");
1587 classdefout.println(" int ___cachedCode___;");
1588 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1589 classdefout.println(" void * flagptr;");
1590 } else if (state.MULTICORE) {
1591 classdefout.println(" int version;");
1592 classdefout.println(" int * lock;"); // lock entry for this obj
1593 classdefout.println(" int mutex;");
1594 classdefout.println(" volatile int lockcount;");
1595 if(state.MULTICOREGC) {
1596 classdefout.println(" int marked;");
1599 if (state.OPTIONAL) {
1600 classdefout.println(" int numfses;");
1601 classdefout.println(" int * fses;");
1604 if (javabuilder==null||javabuilder.hasLayout(cn))
1605 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1607 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1608 classdefout.println("};\n");
1609 generateCallStructsMethods(cn, output, headersout);
1613 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1614 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1615 MethodDescriptor md=(MethodDescriptor)methodit.next();
1617 FlatMethod fm=state.getMethodFlat(md);
1619 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
1620 if (callgraph.isCalled(md)) {
1621 generateTempStructs(fm);
1622 generateMethodParam(cn, md, output);
1627 generateTempStructs(fm);
1628 generateMethodParam(cn, md, output);
1630 generateMethod(cn, md, headersout, output);
1634 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1635 /* Output parameter structure */
1636 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1637 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1638 // generate the staticinit version
1639 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1641 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1642 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1643 output.println(" int size;");
1644 output.println(" void * next;");
1645 for(int i=0; i<objectparams.numPointers(); i++) {
1646 TempDescriptor temp=objectparams.getPointer(i);
1647 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1648 output.println(" int " + temp.getSafeSymbol() + ";");
1650 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1653 output.println("};\n");
1656 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1657 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1658 output.println(" int size;");
1659 output.println(" void * next;");
1660 for(int i=0; i<objectparams.numPointers(); i++) {
1661 TempDescriptor temp=objectparams.getPointer(i);
1662 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1663 output.println(" int " + temp.getSafeSymbol() + ";");
1665 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1668 output.println("};\n");
1672 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1673 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1674 TempObject objecttemps=(TempObject) tempstable.get(md);
1676 boolean printcomma = false;
1679 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1680 // generate the staticinit version
1681 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1683 /* Output temp structure */
1684 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1685 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1686 output.println(" int size;");
1687 output.println(" void * next;");
1688 for(int i=0; i<objecttemps.numPointers(); i++) {
1689 TempDescriptor temp=objecttemps.getPointer(i);
1690 if (!temp.getType().isArray() && temp.getType().isNull())
1691 output.println(" void * "+temp.getSafeSymbol()+";");
1693 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1695 output.println("};\n");
1698 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1699 /* First the return type */
1700 if (md.getReturnType()!=null) {
1701 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1702 headersout.println(" int ");
1703 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1704 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1706 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1708 //catch the constructor case
1709 headersout.print("void ");
1711 /* Next the method name */
1712 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1714 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1715 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1719 /* Output parameter list*/
1720 for(int i=0; i<objectparams.numPrimitives(); i++) {
1721 TempDescriptor temp=objectparams.getPrimitive(i);
1723 headersout.print(", ");
1725 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1726 headersout.print("int " + temp.getSafeSymbol());
1727 } else if (temp.getType().isClass()||temp.getType().isArray())
1728 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1730 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1732 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1733 headersout.print(", int linenum");
1735 headersout.println(");\n");
1738 /* Output temp structure */
1739 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1740 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1741 output.println(" int size;");
1742 output.println(" void * next;");
1743 for(int i=0; i<objecttemps.numPointers(); i++) {
1744 TempDescriptor temp=objecttemps.getPointer(i);
1745 if (!temp.getType().isArray() && temp.getType().isNull())
1746 output.println(" void * "+temp.getSafeSymbol()+";");
1748 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1750 output.println("};\n");
1753 /********* Output method declaration ***********/
1754 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1755 /* First the return type */
1756 if (md.getReturnType()!=null) {
1757 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1758 headersout.println(" int ");
1759 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1760 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1762 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1764 //catch the constructor case
1765 headersout.print("void ");
1767 /* Next the method name */
1768 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1770 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1771 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1775 /* Output parameter list*/
1776 for(int i=0; i<objectparams.numPrimitives(); i++) {
1777 TempDescriptor temp=objectparams.getPrimitive(i);
1779 headersout.print(", ");
1781 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1782 headersout.print("int " + temp.getSafeSymbol());
1783 } else if (temp.getType().isClass()||temp.getType().isArray())
1784 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1786 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1788 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1789 headersout.print(", int linenum");
1791 headersout.println(");\n");
1795 /** This function outputs (1) structures that parameters are
1796 * passed in (when PRECISE GC is enabled) and (2) function
1797 * prototypes for the tasks */
1799 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1800 /* Cycle through tasks */
1801 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1803 while(taskit.hasNext()) {
1804 /* Classify parameters */
1805 TaskDescriptor task=(TaskDescriptor)taskit.next();
1806 FlatMethod fm=state.getMethodFlat(task);
1807 generateTempStructs(fm);
1809 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1810 TempObject objecttemps=(TempObject) tempstable.get(task);
1812 /* Output parameter structure */
1813 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1814 output.println("struct "+task.getSafeSymbol()+"_params {");
1815 output.println(" int size;");
1816 output.println(" void * next;");
1817 for(int i=0; i<objectparams.numPointers(); i++) {
1818 TempDescriptor temp=objectparams.getPointer(i);
1819 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1822 output.println("};\n");
1823 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1824 maxtaskparams=objectparams.numPointers()+fm.numTags();
1828 /* Output temp structure */
1829 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1830 output.println("struct "+task.getSafeSymbol()+"_locals {");
1831 output.println(" int size;");
1832 output.println(" void * next;");
1833 for(int i=0; i<objecttemps.numPointers(); i++) {
1834 TempDescriptor temp=objecttemps.getPointer(i);
1835 if (!temp.getType().isArray() && temp.getType().isNull())
1836 output.println(" void * "+temp.getSafeSymbol()+";");
1837 else if(temp.getType().isTag())
1838 output.println(" struct "+
1839 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1841 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1843 output.println("};\n");
1846 /* Output task declaration */
1847 headersout.print("void " + task.getSafeSymbol()+"(");
1849 boolean printcomma=false;
1850 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1851 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1853 headersout.print("void * parameterarray[]");
1854 headersout.println(");\n");
1858 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1859 MethodDescriptor md=fm.getMethod();
1860 ClassDescriptor cd=md.getClassDesc();
1861 generateHeader(fm, md, outmethod);
1863 outmethod.println("JNIPUSHFRAME();");
1864 if (md.getModifiers().isStatic()) {
1865 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1867 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1870 for(int i=startindex; i<fm.numParameters(); i++) {
1871 TempDescriptor tmp=fm.getParameter(i);
1872 if (tmp.getType().isPtr()) {
1873 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
1876 if (GENERATEPRECISEGC) {
1877 outmethod.println("stopforgc((struct garbagelist *)___params___);");
1879 if (!md.getReturnType().isVoid()) {
1880 if (md.getReturnType().isPtr())
1881 outmethod.print("jobject retval=");
1883 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
1885 outmethod.print("Java_");
1886 outmethod.print(cd.getPackage().replace('.','_'));
1887 outmethod.print("_"+md.getSymbol()+"(");
1888 outmethod.print("JNI_vtable, rec");
1890 for(int i=startindex; i<fm.numParameters(); i++) {
1891 outmethod.print(", ");
1892 TempDescriptor tmp=fm.getParameter(i);
1893 if (tmp.getType().isPtr()) {
1894 outmethod.print("param"+i);
1896 outmethod.print(generateTemp(fm, tmp));
1899 outmethod.println(");");
1900 if (GENERATEPRECISEGC) {
1901 outmethod.println("restartaftergc();");
1903 if (!md.getReturnType().isVoid()) {
1904 if (md.getReturnType().isPtr()) {
1905 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
1906 outmethod.println("JNIPOPFRAME();");
1907 outmethod.println("return retobj;");
1909 outmethod.println("JNIPOPFRAME();");
1910 outmethod.println("return retval;");
1913 outmethod.println("JNIPOPFRAME();");
1915 outmethod.println("}");
1916 outmethod.println("");
1919 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1920 if (State.PRINTFLAT)
1921 System.out.println(fm.printMethod());
1922 MethodDescriptor md=fm.getMethod();
1923 TaskDescriptor task=fm.getTask();
1924 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1925 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null?md:task);
1927 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1928 // generate a special static init version
1929 mgcstaticinit = true;
1930 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1932 generateHeader(fm, md!=null?md:task,output);
1933 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
1935 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1936 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1937 output.print(objecttemp.numPointers()+",");
1938 output.print(paramsprefix);
1939 for(int j=0; j<objecttemp.numPointers(); j++)
1940 output.print(", NULL");
1941 output.println("};");
1944 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1945 TempDescriptor td=objecttemp.getPrimitive(i);
1946 TypeDescriptor type=td.getType();
1947 if (type.isNull() && !type.isArray())
1948 output.println(" void * "+td.getSafeSymbol()+";");
1949 else if (type.isClass() && type.getClassDesc().isEnum()) {
1950 output.println(" int " + td.getSafeSymbol() + ";");
1951 } else if (type.isClass()||type.isArray())
1952 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1954 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1957 additionalCodeAtTopFlatMethodBody(output, fm);
1959 /* Check to see if we need to do a GC if this is a
1960 * multi-threaded program...*/
1962 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC) {
1963 //Don't bother if we aren't in recursive methods...The loops case will catch it
1964 if (callgraph.getAllMethods(md).contains(md)) {
1965 if (this.state.MULTICOREGC) {
1966 output.println("if(gcflag) gc("+localsprefixaddr+");");
1968 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1973 generateCode(fm.getNext(0), fm, null, output);
1975 output.println("}\n\n");
1977 mgcstaticinit = false;
1980 generateHeader(fm, md!=null?md:task,output);
1981 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
1983 if((md != null) && (md.isStaticBlock())) {
1984 mgcstaticinit = true;
1987 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1989 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1991 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1992 output.print(objecttemp.numPointers()+",");
1993 output.print(paramsprefix);
1994 for(int j=0; j<objecttemp.numPointers(); j++)
1995 output.print(", NULL");
1996 output.println("};");
1999 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2000 TempDescriptor td=objecttemp.getPrimitive(i);
2001 TypeDescriptor type=td.getType();
2002 if (type.isNull() && !type.isArray())
2003 output.println(" void * "+td.getSafeSymbol()+";");
2004 else if (type.isClass() && type.getClassDesc().isEnum()) {
2005 output.println(" int " + td.getSafeSymbol() + ";");
2006 } else if (type.isClass()||type.isArray())
2007 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2009 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2012 additionalCodeAtTopFlatMethodBody(output, fm);
2014 /* Check to see if we need to do a GC if this is a
2015 * multi-threaded program...*/
2017 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2018 || this.state.MULTICOREGC) {
2019 //Don't bother if we aren't in recursive methods...The loops case will catch it
2020 if (callgraph.getAllMethods(md).contains(md)) {
2021 if (this.state.MULTICOREGC) {
2022 output.println("if(gcflag) gc("+localsprefixaddr+");");
2024 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2029 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2030 // a static block, check if it has been executed
2031 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2032 output.println(" return;");
2033 output.println(" }");
2037 generateCode(fm.getNext(0), fm, null, output);
2039 output.println("}\n\n");
2041 mgcstaticinit = false;
2044 protected void generateCode(FlatNode first,
2046 Set<FlatNode> stopset,
2047 PrintWriter output) {
2049 /* Assign labels to FlatNode's if necessary.*/
2051 Hashtable<FlatNode, Integer> nodetolabel;
2053 nodetolabel=assignLabels(first, stopset);
2055 Set<FlatNode> storeset=null;
2056 HashSet<FlatNode> genset=null;
2057 HashSet<FlatNode> refset=null;
2058 Set<FlatNode> unionset=null;
2060 /* Do the actual code generation */
2061 FlatNode current_node=null;
2062 HashSet tovisit=new HashSet();
2063 HashSet visited=new HashSet();
2065 while(current_node!=null||!tovisit.isEmpty()) {
2066 if (current_node==null) {
2067 current_node=(FlatNode)tovisit.iterator().next();
2068 tovisit.remove(current_node);
2069 } else if (tovisit.contains(current_node)) {
2070 tovisit.remove(current_node);
2072 visited.add(current_node);
2073 if (nodetolabel.containsKey(current_node)) {
2074 output.println("L"+nodetolabel.get(current_node)+":");
2076 if (state.INSTRUCTIONFAILURE) {
2078 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2080 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2082 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2084 generateFlatNode(fm, current_node, output);
2086 if (state.OOOJAVA && stopset!=null) {
2087 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2088 assert current_node instanceof FlatSESEExitNode;
2089 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2090 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2091 assert fsen.getFlatExit().equals(fsxn);
2092 assert fsxn.getFlatEnter().equals(fsen);
2094 if (current_node.kind()!=FKind.FlatReturnNode) {
2095 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2096 // a static block, check if it has been executed
2097 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2100 output.println(" return;");
2103 } else if(current_node.numNext()==1) {
2105 if (state.OOOJAVA &&
2106 current_node.kind()==FKind.FlatSESEEnterNode) {
2107 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2108 generateFlatNode(fm, current_node, output);
2109 nextnode=fsen.getFlatExit().getNext(0);
2112 generateFlatNode(fm, current_node, output);
2113 nextnode=current_node.getNext(0);
2115 if (visited.contains(nextnode)) {
2116 output.println("goto L"+nodetolabel.get(nextnode)+";");
2119 current_node=nextnode;
2120 } else if (current_node.numNext()==2) {
2123 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2124 if (!visited.contains(current_node.getNext(1)))
2125 tovisit.add(current_node.getNext(1));
2126 if (visited.contains(current_node.getNext(0))) {
2127 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2130 current_node=current_node.getNext(0);
2131 } else throw new Error();
2135 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2136 HashSet tovisit=new HashSet();
2137 HashSet visited=new HashSet();
2139 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2142 /*Assign labels first. A node needs a label if the previous
2143 * node has two exits or this node is a join point. */
2145 while(!tovisit.isEmpty()) {
2146 FlatNode fn=(FlatNode)tovisit.iterator().next();
2151 if(lastset!=null&&lastset.contains(fn)) {
2152 // if last is not null and matches, don't go
2153 // any further for assigning labels
2157 for(int i=0; i<fn.numNext(); i++) {
2158 FlatNode nn=fn.getNext(i);
2161 //1) Edge >1 of node
2162 nodetolabel.put(nn,new Integer(labelindex++));
2164 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2168 nodetolabel.put(nn,new Integer(labelindex++));
2175 /** Generate text string that corresponds to the TempDescriptor td. */
2176 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2177 MethodDescriptor md=fm.getMethod();
2178 TaskDescriptor task=fm.getTask();
2179 TempObject objecttemps=(TempObject) tempstable.get(md!=null?md:task);
2181 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2182 return td.getSafeSymbol();
2185 if (objecttemps.isLocalPtr(td)) {
2186 return localsprefixderef+td.getSafeSymbol();
2189 if (objecttemps.isParamPtr(td)) {
2190 return paramsprefix+"->"+td.getSafeSymbol();
2198 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2199 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2200 additionalCodePreNode(fm, fn, output);
2203 case FKind.FlatAtomicEnterNode:
2204 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2207 case FKind.FlatAtomicExitNode:
2208 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2211 case FKind.FlatInstanceOfNode:
2212 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2215 case FKind.FlatSESEEnterNode:
2216 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2219 case FKind.FlatSESEExitNode:
2220 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2223 case FKind.FlatWriteDynamicVarNode:
2224 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2227 case FKind.FlatGlobalConvNode:
2228 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2231 case FKind.FlatTagDeclaration:
2232 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2235 case FKind.FlatCall:
2236 generateFlatCall(fm, (FlatCall) fn,output);
2239 case FKind.FlatFieldNode:
2240 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2243 case FKind.FlatElementNode:
2244 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2247 case FKind.FlatSetElementNode:
2248 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2251 case FKind.FlatSetFieldNode:
2252 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2256 generateFlatNew(fm, (FlatNew) fn,output);
2259 case FKind.FlatOpNode:
2260 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2263 case FKind.FlatCastNode:
2264 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2267 case FKind.FlatLiteralNode:
2268 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2271 case FKind.FlatReturnNode:
2272 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2276 output.println("/* nop */");
2279 case FKind.FlatGenReachNode:
2280 // this node is just for generating a reach graph
2281 // in disjointness analysis at a particular program point
2284 case FKind.FlatExit:
2285 output.println("/* exit */");
2288 case FKind.FlatBackEdge:
2289 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2292 case FKind.FlatCheckNode:
2293 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2296 case FKind.FlatFlagActionNode:
2297 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2300 case FKind.FlatPrefetchNode:
2301 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2304 case FKind.FlatOffsetNode:
2305 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2312 additionalCodePostNode(fm, fn, output);
2315 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2316 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2317 || (this.state.MULTICOREGC)) {
2318 if(this.state.MULTICOREGC) {
2319 output.println("if (gcflag) gc("+localsprefixaddr+");");
2321 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2324 output.println("/* nop */");
2327 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2328 output.println("/* FlatOffsetNode */");
2329 FieldDescriptor fd=fofn.getField();
2330 if(!fd.isStatic()) {
2331 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2332 fd.getSafeSymbol()+");");
2334 output.println("/* offset */");
2337 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2340 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2343 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2346 if (fion.getType().isArray()) {
2347 type=state.getArrayNumber(fion.getType())+state.numClasses();
2348 } else if (fion.getType().getClassDesc().isInterface()) {
2349 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2351 type=fion.getType().getClassDesc().getId();
2353 if (fion.getSrc().getType().isArray()) {
2354 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2355 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2356 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2358 otype=fion.getSrc().getType().getClassDesc().getId();
2361 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2362 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2364 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2368 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2371 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2374 public void generateFlatSESEEnterNode(FlatMethod fm,
2375 FlatSESEEnterNode fsen,
2376 PrintWriter output) {
2377 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2378 // just skip over them and code generates exactly the same
2381 public void generateFlatSESEExitNode(FlatMethod fm,
2382 FlatSESEExitNode fsexn,
2383 PrintWriter output) {
2384 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2385 // just skip over them and code generates exactly the same
2388 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2389 FlatWriteDynamicVarNode fwdvn,
2390 PrintWriter output) {
2394 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2395 if (state.CONSCHECK) {
2396 String specname=fcn.getSpec();
2397 String varname="repairstate___";
2398 output.println("{");
2399 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2401 TempDescriptor[] temps=fcn.getTemps();
2402 String[] vars=fcn.getVars();
2403 for(int i=0; i<temps.length; i++) {
2404 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2407 output.println("if (doanalysis"+specname+"("+varname+")) {");
2408 output.println("free"+specname+"_state("+varname+");");
2409 output.println("} else {");
2410 output.println("/* Bad invariant */");
2411 output.println("free"+specname+"_state("+varname+");");
2412 output.println("abort_task();");
2413 output.println("}");
2414 output.println("}");
2418 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2419 MethodDescriptor md=fc.getMethod();
2420 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2422 ClassDescriptor cn=md.getClassDesc();
2423 String mdstring = md.getSafeMethodDescriptor();
2424 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2425 mdstring += "staticinit";
2428 // if the called method is a static block or a static method or a constructor
2429 // need to check if it can be invoked inside some static block
2430 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2431 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2432 if(!md.isInvokedByStatic()) {
2433 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2435 // is a static block or is invoked in some static block
2436 ClassDescriptor cd = fm.getMethod().getClassDesc();
2437 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2438 // generate static init check code if it has not done static init in main()
2439 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2440 // need to check if the class' static fields have been initialized and/or
2441 // its static blocks have been executed
2442 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2443 if(cn.getNumStaticBlocks() != 0) {
2444 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2445 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2446 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2447 output.println("0, NULL};");
2448 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2450 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2453 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2455 output.println("}");
2459 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2460 output.println("{");
2461 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2462 output.println("int monitorenterline = __LINE__;");
2464 // call MonitorEnter/MonitorExit on a class obj
2465 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2466 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2467 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2468 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2469 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2471 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2474 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2475 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2476 + fc.getThis().getType().getClassDesc().getId() + "]));");
2478 output.println("}");
2482 output.println("{");
2483 if(md.getSymbol().equals("MonitorEnter")) {
2484 output.println("int monitorenterline = __LINE__;");
2486 if (GENERATEPRECISEGC || state.MULTICOREGC) {
2487 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2488 output.print(objectparams.numPointers());
2489 output.print(", "+localsprefixaddr);
2490 if (md.getThis()!=null) {
2492 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2494 if (fc.getThis()!=null&&md.getThis()==null) {
2495 System.out.println("WARNING!!!!!!!!!!!!");
2496 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2499 for(int i=0; i<fc.numArgs(); i++) {
2500 Descriptor var=md.getParameter(i);
2501 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2502 if (objectparams.isParamPtr(paramtemp)) {
2503 TempDescriptor targ=fc.getArg(i);
2505 TypeDescriptor td=md.getParamType(i);
2507 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2509 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2512 output.println("};");
2517 if (fc.getReturnTemp()!=null)
2518 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2520 /* Do we need to do virtual dispatch? */
2522 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2524 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2528 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2529 output.print("int ");
2530 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2531 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2533 output.print(md.getReturnType().getSafeSymbol()+" ");
2534 output.print("(*)(");
2536 boolean printcomma=false;
2537 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2538 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2542 for(int i=0; i<objectparams.numPrimitives(); i++) {
2543 TempDescriptor temp=objectparams.getPrimitive(i);
2547 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2548 output.print("int ");
2549 } else if (temp.getType().isClass()||temp.getType().isArray())
2550 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2552 output.print(temp.getType().getSafeSymbol());
2555 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2556 output.print(", int");
2558 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2562 boolean needcomma=false;
2563 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2564 output.print("&__parameterlist__");
2568 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2569 if (fc.getThis()!=null) {
2570 TypeDescriptor ptd=null;
2571 if(md.getThis() != null) {
2572 ptd = md.getThis().getType();
2574 ptd = fc.getThis().getType();
2578 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2580 } else if (ptd.isClass()&&!ptd.isArray())
2581 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2582 output.print(generateTemp(fm,fc.getThis()));
2587 for(int i=0; i<fc.numArgs(); i++) {
2588 Descriptor var=md.getParameter(i);
2589 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2590 if (objectparams.isParamPrim(paramtemp)) {
2591 TempDescriptor targ=fc.getArg(i);
2595 TypeDescriptor ptd=md.getParamType(i);
2596 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2598 } else if (ptd.isClass()&&!ptd.isArray())
2599 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2600 output.print(generateTemp(fm, targ));
2604 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2605 output.println(", monitorenterline);");
2607 output.println(");");
2609 output.println(" }");
2612 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2613 if(thiscd.isInterface()) {
2614 // for interfaces, always need virtual dispatch
2617 Set subclasses=typeutil.getSubClasses(thiscd);
2618 if (subclasses==null)
2620 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2621 ClassDescriptor cd=(ClassDescriptor)classit.next();
2622 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2623 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2624 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2625 if (md.matches(matchmd))
2633 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2635 if(ffn.getField().isStatic()) {
2637 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2638 // is a static block or is invoked in some static block
2639 ClassDescriptor cd = fm.getMethod().getClassDesc();
2640 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2641 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2642 // generate the static init check code if has not done the static init in main()
2643 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2644 // need to check if the class' static fields have been initialized and/or
2645 // its static blocks have been executed
2646 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2647 if(cn.getNumStaticBlocks() != 0) {
2648 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2649 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2650 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2651 output.println("0, NULL};");
2652 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2654 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2657 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2659 output.println("}");
2663 // redirect to the global_defs_p structure
2664 if (ffn.getField().getType().isPtr())
2665 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2667 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2668 } else if (ffn.getField().isEnum()) {
2669 // an Enum value, directly replace the field access as int
2670 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2672 output.println("#ifdef MULTICORE_DEBUG");
2673 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2674 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2675 if(state.MULTICOREGC) {
2676 output.println("failednullptr(&___locals___);");
2678 output.println("failednullptr(NULL);");
2680 output.println("}");
2681 output.println("#endif //MULTICORE_DEBUG");
2682 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2687 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2688 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2689 throw new Error("Can't set array length");
2690 if (state.FASTCHECK) {
2691 String dst=generateTemp(fm, fsfn.getDst());
2692 output.println("if(!"+dst+"->"+localcopystr+") {");
2693 /* Link object into list */
2694 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2695 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2697 output.println("COPY_OBJ("+dst+");");
2698 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2699 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2700 output.println("}");
2703 if(fsfn.getField().isStatic()) {
2705 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2706 // is a static block or is invoked in some static block
2707 ClassDescriptor cd = fm.getMethod().getClassDesc();
2708 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2709 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2710 // generate static init check code if has not done the static init in main()
2711 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2712 // need to check if the class' static fields have been initialized and/or
2713 // its static blocks have been executed
2714 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2715 if(cn.getNumStaticBlocks() != 0) {
2716 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2717 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2718 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2719 output.println("0, NULL};");
2720 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2722 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2725 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2727 output.println("}");
2731 // redirect to the global_defs_p structure
2732 if (fsfn.getField().getType().isPtr()) {
2733 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2734 output.println("global_defs_p->" +
2735 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2737 output.println("global_defs_p->" +
2738 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2740 output.println("global_defsprim_p->" +
2741 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2743 output.println("#ifdef MULTICORE_DEBUG");
2744 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2745 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2746 if(state.MULTICOREGC) {
2747 output.println("failednullptr(&___locals___);");
2749 output.println("failednullptr(NULL);");
2751 output.println("}");
2752 output.println("#endif //MULTICORE_DEBUG");
2753 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2754 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2755 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2757 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2758 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2763 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2764 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2767 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2769 } else if (elementtype.isArray()||elementtype.isClass())
2772 type=elementtype.getSafeSymbol()+" ";
2774 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2775 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2776 output.println("failedboundschk(" + (boundschknum++) + ");");
2778 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2781 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2782 //TODO: need dynamic check to make sure this assignment is actually legal
2783 //Because Object[] could actually be something more specific...ie. Integer[]
2785 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2788 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2790 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2793 type=elementtype.getSafeSymbol()+" ";
2795 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2796 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2797 output.println("failedboundschk(" + (boundschknum++) + ");");
2799 if (state.FASTCHECK) {
2800 String dst=generateTemp(fm, fsen.getDst());
2801 output.println("if(!"+dst+"->"+localcopystr+") {");
2802 /* Link object into list */
2803 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2804 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2806 output.println("COPY_OBJ("+dst+");");
2807 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2808 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2809 output.println("}");
2811 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2815 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2816 if (fn.getType().isArray()) {
2817 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2818 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2819 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2821 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2824 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2825 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2827 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2830 if (state.FASTCHECK) {
2831 String dst=generateTemp(fm,fn.getDst());
2832 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2833 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2834 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2838 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2839 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2840 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2842 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2846 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2847 if (fon.getRight()!=null) {
2848 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2849 if (fon.getLeft().getType().isLong())
2850 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2852 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2855 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2856 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2858 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2860 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2861 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2862 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2864 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2865 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2866 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2867 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2868 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2869 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2870 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2871 else if (fon.getOp().getOp()==Operation.COMP)
2872 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2873 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2874 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2876 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2879 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2880 /* TODO: Do type check here */
2881 if (fcn.getType().isArray()) {
2882 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2883 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2884 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2885 } else if (fcn.getType().isClass())
2886 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2888 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2893 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2894 if (fln.getValue()==null)
2895 output.println(generateTemp(fm, fln.getDst())+"=0;");
2896 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2897 String str=(String)fln.getValue();
2898 output.println("{");
2899 output.print("short str"+flncount+"[]={");
2900 for(int i=0; i<str.length(); i++) {
2903 output.print(((int)str.charAt(i)));
2905 output.println("};");
2906 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2907 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
2909 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
2911 output.println("}");
2913 } else if (fln.getType().isBoolean()) {
2914 if (((Boolean)fln.getValue()).booleanValue())
2915 output.println(generateTemp(fm, fln.getDst())+"=1;");
2917 output.println(generateTemp(fm, fln.getDst())+"=0;");
2918 } else if (fln.getType().isChar()) {
2919 int val=(int)(((Character)fln.getValue()).charValue());
2920 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
2921 } else if (fln.getType().isLong()) {
2922 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2924 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2927 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2928 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2929 // a static block, check if it has been executed
2930 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2934 if (frn.getReturnTemp()!=null) {
2935 if (frn.getReturnTemp().getType().isPtr())
2936 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2938 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2940 output.println("return;");
2944 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2945 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2948 /** This method generates header information for the method or
2949 * task referenced by the Descriptor des. */
2950 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2951 generateHeader(fm, des, output, false);
2954 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2956 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2957 MethodDescriptor md=null;
2958 TaskDescriptor task=null;
2959 if (des instanceof MethodDescriptor)
2960 md=(MethodDescriptor) des;
2962 task=(TaskDescriptor) des;
2963 String mdstring = md != null?md.getSafeMethodDescriptor():null;
2965 ClassDescriptor cn=md!=null?md.getClassDesc():null;
2967 if (md!=null&&md.getReturnType()!=null) {
2968 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2969 output.print("int ");
2970 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2971 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2973 output.print(md.getReturnType().getSafeSymbol()+" ");
2975 //catch the constructor case
2976 output.print("void ");
2978 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2979 mdstring += "staticinit";
2981 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2983 output.print(task.getSafeSymbol()+"(");
2985 boolean printcomma=false;
2986 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2988 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2990 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2996 for(int i=0; i<objectparams.numPrimitives(); i++) {
2997 TempDescriptor temp=objectparams.getPrimitive(i);
3001 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3002 output.print("int " + temp.getSafeSymbol());
3003 } else if (temp.getType().isClass()||temp.getType().isArray())
3004 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3006 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3008 output.println(") {");
3009 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3010 /* Imprecise Task */
3011 output.println("void * parameterarray[]) {");
3012 /* Unpack variables */
3013 for(int i=0; i<objectparams.numPrimitives(); i++) {
3014 TempDescriptor temp=objectparams.getPrimitive(i);
3015 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3016 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3018 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3021 for(int i=0; i<fm.numTags(); i++) {
3022 TempDescriptor temp=fm.getTag(i);
3023 int offset=i+objectparams.numPrimitives();
3024 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3027 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3028 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3029 } else output.println(") {");
3032 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3033 output.println("/* FlatFlagActionNode */");
3036 /* Process tag changes */
3037 Relation tagsettable=new Relation();
3038 Relation tagcleartable=new Relation();
3040 Iterator tagsit=ffan.getTempTagPairs();
3041 while (tagsit.hasNext()) {
3042 TempTagPair ttp=(TempTagPair) tagsit.next();
3043 TempDescriptor objtmp=ttp.getTemp();
3044 TagDescriptor tag=ttp.getTag();
3045 TempDescriptor tagtmp=ttp.getTagTemp();
3046 boolean tagstatus=ffan.getTagChange(ttp);
3048 tagsettable.put(objtmp, tagtmp);
3050 tagcleartable.put(objtmp, tagtmp);
3055 Hashtable flagandtable=new Hashtable();
3056 Hashtable flagortable=new Hashtable();
3058 /* Process flag changes */
3059 Iterator flagsit=ffan.getTempFlagPairs();
3060 while(flagsit.hasNext()) {
3061 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3062 TempDescriptor temp=tfp.getTemp();
3063 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3064 FlagDescriptor flag=tfp.getFlag();
3066 //Newly allocate objects that don't set any flags case
3067 if (flagortable.containsKey(temp)) {
3071 flagortable.put(temp,new Integer(mask));
3073 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3074 boolean flagstatus=ffan.getFlagChange(tfp);
3077 if (flagortable.containsKey(temp)) {
3078 mask=((Integer)flagortable.get(temp)).intValue();
3081 flagortable.put(temp,new Integer(mask));
3083 int mask=0xFFFFFFFF;
3084 if (flagandtable.containsKey(temp)) {
3085 mask=((Integer)flagandtable.get(temp)).intValue();
3087 mask&=(0xFFFFFFFF^flagid);
3088 flagandtable.put(temp,new Integer(mask));
3094 HashSet flagtagset=new HashSet();
3095 flagtagset.addAll(flagortable.keySet());
3096 flagtagset.addAll(flagandtable.keySet());
3097 flagtagset.addAll(tagsettable.keySet());
3098 flagtagset.addAll(tagcleartable.keySet());
3100 Iterator ftit=flagtagset.iterator();
3101 while(ftit.hasNext()) {
3102 TempDescriptor temp=(TempDescriptor)ftit.next();
3105 Set tagtmps=tagcleartable.get(temp);
3106 if (tagtmps!=null) {
3107 Iterator tagit=tagtmps.iterator();
3108 while(tagit.hasNext()) {
3109 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3110 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3111 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3113 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3117 tagtmps=tagsettable.get(temp);
3118 if (tagtmps!=null) {
3119 Iterator tagit=tagtmps.iterator();
3120 while(tagit.hasNext()) {
3121 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3122 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3123 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3125 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3130 int andmask=0xFFFFFFF;
3132 if (flagortable.containsKey(temp))
3133 ormask=((Integer)flagortable.get(temp)).intValue();
3134 if (flagandtable.containsKey(temp))
3135 andmask=((Integer)flagandtable.get(temp)).intValue();
3136 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3137 generateObjectDistribute(ffan, fm, temp, output);
3141 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3142 PrintWriter output, int ormask, int andmask) {
3143 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3144 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3146 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3150 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3151 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3154 void generateOptionalHeader(PrintWriter headers) {
3157 headers.println("#include \"task.h\"\n\n");
3158 headers.println("#ifndef _OPTIONAL_STRUCT_");
3159 headers.println("#define _OPTIONAL_STRUCT_");
3161 //STRUCT PREDICATEMEMBER
3162 headers.println("struct predicatemember{");
3163 headers.println("int type;");
3164 headers.println("int numdnfterms;");
3165 headers.println("int * flags;");
3166 headers.println("int numtags;");
3167 headers.println("int * tags;\n};\n\n");
3169 //STRUCT OPTIONALTASKDESCRIPTOR
3170 headers.println("struct optionaltaskdescriptor{");
3171 headers.println("struct taskdescriptor * task;");
3172 headers.println("int index;");
3173 headers.println("int numenterflags;");
3174 headers.println("int * enterflags;");
3175 headers.println("int numpredicatemembers;");
3176 headers.println("struct predicatemember ** predicatememberarray;");
3177 headers.println("};\n\n");
3179 //STRUCT TASKFAILURE
3180 headers.println("struct taskfailure {");
3181 headers.println("struct taskdescriptor * task;");
3182 headers.println("int index;");
3183 headers.println("int numoptionaltaskdescriptors;");
3184 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3186 //STRUCT FSANALYSISWRAPPER
3187 headers.println("struct fsanalysiswrapper{");
3188 headers.println("int flags;");
3189 headers.println("int numtags;");
3190 headers.println("int * tags;");
3191 headers.println("int numtaskfailures;");
3192 headers.println("struct taskfailure ** taskfailurearray;");
3193 headers.println("int numoptionaltaskdescriptors;");
3194 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3196 //STRUCT CLASSANALYSISWRAPPER
3197 headers.println("struct classanalysiswrapper{");
3198 headers.println("int type;");
3199 headers.println("int numotd;");
3200 headers.println("struct optionaltaskdescriptor ** otdarray;");
3201 headers.println("int numfsanalysiswrappers;");
3202 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3204 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3206 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3207 while(taskit.hasNext()) {
3208 TaskDescriptor td=(TaskDescriptor)taskit.next();
3209 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3214 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3215 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3216 int predicateindex = 0;
3217 //iterate through the classes concerned by the predicate
3218 Set c_vard = predicate.vardescriptors;
3219 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3222 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3223 VarDescriptor vard = (VarDescriptor)vard_it.next();
3224 TypeDescriptor typed = vard.getType();
3226 //generate for flags
3227 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3228 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3230 if (fen_hashset!=null) {
3231 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3232 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3234 DNFFlag dflag=fen.getDNF();
3235 numberterms+=dflag.size();
3237 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3239 for(int j=0; j<dflag.size(); j++) {
3241 output.println(",");
3242 Vector term=dflag.get(j);
3245 for(int k=0; k<term.size(); k++) {
3246 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3247 FlagDescriptor fd=dfa.getFlag();
3248 boolean negated=dfa.getNegated();
3249 int flagid=1<<((Integer)flags.get(fd)).intValue();
3254 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3259 output.println("};\n");
3262 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3263 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3266 for(int j=0; j<tagel.numTags(); j++) {
3268 output.println(",");
3269 TempDescriptor tmp=tagel.getTemp(j);
3270 if (!slotnumber.containsKey(tmp)) {
3271 Integer slotint=new Integer(current_slot++);
3272 slotnumber.put(tmp,slotint);
3274 int slot=slotnumber.get(tmp).intValue();
3275 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3277 numtags = tagel.numTags();
3279 output.println("};");
3281 //store the result into a predicatemember struct
3282 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3283 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3284 output.println("/* number of dnf terms */"+numberterms+",");
3285 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3286 output.println("/* number of tag */"+numtags+",");
3287 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3288 output.println("};\n");
3293 //generate an array that stores the entire predicate
3294 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3295 for( int j = 0; j<predicateindex; j++) {
3296 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3297 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3299 output.println("};\n");
3300 return predicateindex;
3304 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3305 generateOptionalHeader(headers);
3307 output.println("#include \"optionalstruct.h\"\n\n");
3308 output.println("#include \"stdlib.h\"\n");
3310 HashSet processedcd = new HashSet();
3312 Enumeration e = safeexecution.keys();
3313 while (e.hasMoreElements()) {
3316 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3317 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3319 //Generate the struct of optionals
3320 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3321 numotd = c_otd.size();
3322 if(maxotd<numotd) maxotd = numotd;
3323 if( !c_otd.isEmpty() ) {
3324 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3325 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3327 //generate the int arrays for the predicate
3328 Predicate predicate = otd.predicate;
3329 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3330 TreeSet<Integer> fsset=new TreeSet<Integer>();
3331 //iterate through possible FSes corresponding to
3332 //the state when entering
3334 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3335 FlagState fs = (FlagState)fses.next();
3337 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3338 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3339 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3342 fsset.add(new Integer(flagid));
3343 //tag information not needed because tag
3344 //changes are not tolerated.
3347 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3348 boolean needcomma=false;
3349 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3352 output.println(it.next());
3355 output.println("};\n");
3358 //generate optionaltaskdescriptor that actually
3359 //includes exit fses, predicate and the task
3361 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3362 output.println("&task_"+otd.td.getSafeSymbol()+",");
3363 output.println("/*index*/"+otd.getIndex()+",");
3364 output.println("/*number of enter flags*/"+fsset.size()+",");
3365 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3366 output.println("/*number of members */"+predicateindex+",");
3367 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3368 output.println("};\n");
3372 // if there are no optionals, there is no need to build the rest of the struct
3374 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3375 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3376 if( !c_otd.isEmpty() ) {
3377 boolean needcomma=false;
3378 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3379 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3381 output.println(",");
3383 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3386 output.println("};\n");
3388 //get all the possible flagstates reachable by an object
3389 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3391 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3392 fsts.addAll(hashtbtemp.keySet());
3393 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3394 FlagState fs = (FlagState)fsit.next();
3397 //get the set of OptionalTaskDescriptors corresponding
3398 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3399 //iterate through the OptionalTaskDescriptors and
3400 //store the pointers to the optionals struct (see on
3401 //top) into an array
3403 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3404 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3405 OptionalTaskDescriptor mm = mos.next();
3407 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3409 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3412 output.println("};\n");
3414 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3417 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3418 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3419 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3423 //process tag information
3426 boolean first = true;
3427 Enumeration tag_enum = fs.getTags();
3428 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3429 while(tag_enum.hasMoreElements()) {
3431 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3435 output.println(", ");
3436 output.println("/*tagid*/"+state.getTagId(tagd));
3438 output.println("};");
3440 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3441 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3442 TaskIndex ti=itti.next();
3446 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3448 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3449 boolean needcomma=false;
3450 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3451 OptionalTaskDescriptor otd=otdit.next();
3455 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3457 output.println("};");
3459 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3460 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3461 output.print(ti.getIndex()+", ");
3462 output.print(otdset.size()+", ");
3463 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3464 output.println("};");
3467 tiset=sa.getTaskIndex(fs);
3468 boolean needcomma=false;
3470 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3471 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3472 TaskIndex ti=itti.next();
3473 if (ti.isRuntime()) {
3480 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3482 output.println("};\n");
3484 //Store the result in fsanalysiswrapper
3486 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3487 output.println("/*flag*/"+flagid+",");
3488 output.println("/* number of tags*/"+tagcounter+",");
3489 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3490 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3491 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3492 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3493 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3494 output.println("};\n");
3498 //Build the array of fsanalysiswrappers
3499 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3500 boolean needcomma=false;
3501 for(int i = 0; i<fscounter; i++) {
3502 if (needcomma) output.print(",");
3503 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3506 output.println("};");
3508 //Build the classanalysiswrapper referring to the previous array
3509 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3510 output.println("/*type*/"+cdtemp.getId()+",");
3511 output.println("/*numotd*/"+numotd+",");
3512 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3513 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3514 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3515 processedcd.add(cdtemp);
3518 //build an array containing every classes for which code has been build
3519 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3520 for(int i=0; i<state.numClasses(); i++) {
3521 ClassDescriptor cn=cdarray[i];
3524 if ((cn != null) && (processedcd.contains(cn)))
3525 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3527 output.print("NULL");
3529 output.println("};");
3531 output.println("#define MAXOTD "+maxotd);
3532 headers.println("#endif");
3535 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3536 Relation r=new Relation();
3537 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3538 OptionalTaskDescriptor otd=otdit.next();
3539 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3543 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3544 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3545 Set s=r.get(it.next());
3546 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3547 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3555 // override these methods in a subclass of BuildCode
3556 // to generate code for additional systems
3557 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3559 protected void outputTransCode(PrintWriter output) {
3561 protected void buildCodeSetup() {
3563 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3565 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3567 protected void preCodeGenInitialization() {
3569 protected void postCodeGenCleanUp() {
3571 protected void additionalCodeGen(PrintWriter outmethodheader,
3572 PrintWriter outstructs,
3573 PrintWriter outmethod) {
3575 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3577 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3579 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3581 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3583 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3585 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3587 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3589 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3591 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3594 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3595 // we do not print out line number if no one explicitly set the number
3596 if(fn.getNumLine()!=-1) {
3598 int lineNum=fn.getNumLine();
3600 // do not generate the line number if it is same as the previous one
3601 boolean needtoprint;
3602 if(fn.prev.size()==0) {
3608 for(int i=0; i<fn.prev.size(); i++) {
3609 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3610 if(prevLineNum!=lineNum) {
3616 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());