package IR.Flat;
+import IR.Tree.FlagExpressionNode;
+import IR.Tree.DNFFlag;
+import IR.Tree.DNFFlagAtom;
+import IR.Tree.TagExpressionList;
+import IR.Tree.OffsetNode;
import IR.*;
import java.util.*;
import java.io.*;
+import Util.Relation;
+import Analysis.TaskStateAnalysis.FlagState;
+import Analysis.TaskStateAnalysis.FlagComparator;
+import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
+import Analysis.TaskStateAnalysis.Predicate;
+import Analysis.TaskStateAnalysis.SafetyAnalysis;
+import Analysis.TaskStateAnalysis.TaskIndex;
+import Analysis.Locality.LocalityAnalysis;
+import Analysis.Locality.LocalityBinding;
+import Analysis.Prefetch.*;
+import Analysis.Loops.WriteBarrier;
+
public class BuildCode {
- State state;
- Hashtable temptovar;
- Hashtable paramstable;
- Hashtable tempstable;
- Hashtable fieldorder;
- Hashtable flagorder;
- int tag=0;
- String localsprefix="___locals___";
- String paramsprefix="___params___";
- public static boolean GENERATEPRECISEGC=false;
- public static String PREFIX="";
- public static String arraytype="ArrayObject";
- Virtual virtualcalls;
- TypeUtil typeutil;
-
-
- public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil) {
- state=st;
- this.temptovar=temptovar;
- paramstable=new Hashtable();
- tempstable=new Hashtable();
- fieldorder=new Hashtable();
- flagorder=new Hashtable();
- this.typeutil=typeutil;
- virtualcalls=new Virtual(state);
- }
-
- /** The buildCode method outputs C code for all the methods. The Flat
- * versions of the methods must already be generated and stored in
- * the State object. */
-
- public void buildCode() {
- /* Create output streams to write to */
- PrintWriter outclassdefs=null;
- PrintWriter outstructs=null;
- PrintWriter outmethodheader=null;
- PrintWriter outmethod=null;
- PrintWriter outvirtual=null;
-
- try {
- OutputStream str=new FileOutputStream(PREFIX+"structdefs.h");
- outstructs=new java.io.PrintWriter(str, true);
- str=new FileOutputStream(PREFIX+"methodheaders.h");
- outmethodheader=new java.io.PrintWriter(str, true);
- str=new FileOutputStream(PREFIX+"classdefs.h");
- outclassdefs=new java.io.PrintWriter(str, true);
- str=new FileOutputStream(PREFIX+"methods.c");
- outmethod=new java.io.PrintWriter(str, true);
- str=new FileOutputStream(PREFIX+"virtualtable.h");
- outvirtual=new java.io.PrintWriter(str, true);
- } catch (Exception e) {
- e.printStackTrace();
- System.exit(-1);
- }
-
- /* Build the virtual dispatch tables */
-
- buildVirtualTables(outvirtual);
-
- /* Output includes */
- outstructs.println("#include \"classdefs.h\"");
- outmethodheader.println("#include \"structdefs.h\"");
-
- /* Output types for short array and string */
- outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
- outstructs.println("#define CHARARRAYTYPE "+
- (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
-
- // Output the C class declarations
- // These could mutually reference each other
- outclassdefs.println("struct "+arraytype+";");
-
- Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
- while(it.hasNext()) {
- ClassDescriptor cn=(ClassDescriptor)it.next();
- outclassdefs.println("struct "+cn.getSafeSymbol()+";");
- }
- outclassdefs.println("");
- {
- //Print out definition for array type
- outclassdefs.println("struct "+arraytype+" {");
- outclassdefs.println(" int type;");
- printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
- outclassdefs.println(" int ___length___;");
- outclassdefs.println("};\n");
- }
-
- // Output function prototypes and structures for parameters
- it=state.getClassSymbolTable().getDescriptorsIterator();
- while(it.hasNext()) {
- ClassDescriptor cn=(ClassDescriptor)it.next();
- generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
- }
- outstructs.close();
- outmethodheader.close();
-
- if (state.TASK) {
- /* Map flags to integers */
- it=state.getClassSymbolTable().getDescriptorsIterator();
- while(it.hasNext()) {
- ClassDescriptor cn=(ClassDescriptor)it.next();
- mapFlags(cn);
- }
- /* Generate Tasks */
- generateTaskStructs(outstructs, outmethodheader);
- }
-
- /* Build the actual methods */
- outmethod.println("#include \"methodheaders.h\"");
- outmethod.println("#include \"virtualtable.h\"");
- outmethod.println("#include <runtime.h>");
- outclassdefs.println("extern int classsize[];");
-
- //Store the sizes of classes & array elements
- generateSizeArray(outmethod);
-
- /* Generate code for methods */
- Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
- while(classit.hasNext()) {
- ClassDescriptor cn=(ClassDescriptor)classit.next();
- Iterator methodit=cn.getMethods();
- while(methodit.hasNext()) {
- /* Classify parameters */
- MethodDescriptor md=(MethodDescriptor)methodit.next();
- FlatMethod fm=state.getMethodFlat(md);
- if (!md.getModifiers().isNative())
- generateFlatMethod(fm,outmethod);
- }
+ State state;
+ Hashtable temptovar;
+ Hashtable paramstable;
+ Hashtable tempstable;
+ Hashtable fieldorder;
+ Hashtable flagorder;
+ int tag=0;
+ String localsprefix="___locals___";
+ String fcrevert="___fcrevert___";
+ String paramsprefix="___params___";
+ String oidstr="___nextobject___";
+ String nextobjstr="___nextobject___";
+ String localcopystr="___localcopy___";
+ public static boolean GENERATEPRECISEGC=false;
+ public static String PREFIX="";
+ public static String arraytype="ArrayObject";
+ public static int flagcount = 0;
+ Virtual virtualcalls;
+ TypeUtil typeutil;
+ protected int maxtaskparams=0;
+ private int maxcount=0;
+ ClassDescriptor[] cdarray;
+ TypeDescriptor[] arraytable;
+ LocalityAnalysis locality;
+ Hashtable<LocalityBinding, TempDescriptor> reverttable;
+ Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
+ SafetyAnalysis sa;
+ PrefetchAnalysis pa;
+ WriteBarrier wb;
+
+ public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
+ this(st, temptovar, typeutil, null, sa, pa);
+ }
+
+ public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
+ this(st, temptovar, typeutil, locality, null, pa);
+ }
+
+ public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
+ this.sa=sa;
+ this.pa=pa;
+ state=st;
+ if (state.SINGLETM)
+ oidstr="___objlocation___";
+ this.temptovar=temptovar;
+ paramstable=new Hashtable();
+ tempstable=new Hashtable();
+ fieldorder=new Hashtable();
+ flagorder=new Hashtable();
+ this.typeutil=typeutil;
+ virtualcalls=new Virtual(state,locality);
+ if (locality!=null) {
+ this.locality=locality;
+ this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
+ this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
+ this.wb=new WriteBarrier(locality, st);
+ }
+ }
+
+ /** The buildCode method outputs C code for all the methods. The Flat
+ * versions of the methods must already be generated and stored in
+ * the State object. */
+
+ public void buildCode() {
+ /* Create output streams to write to */
+ PrintWriter outclassdefs=null;
+ PrintWriter outstructs=null;
+ PrintWriter outrepairstructs=null;
+ PrintWriter outmethodheader=null;
+ PrintWriter outmethod=null;
+ PrintWriter outvirtual=null;
+ PrintWriter outtask=null;
+ PrintWriter outtaskdefs=null;
+ PrintWriter outoptionalarrays=null;
+ PrintWriter optionalheaders=null;
+
+ try {
+ outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
+ outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
+ outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
+ outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
+ outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
+ if (state.TASK) {
+ outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
+ outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
+ if (state.OPTIONAL) {
+ outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
+ optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
}
+ }
+ if (state.structfile!=null) {
+ outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ System.exit(-1);
+ }
- if (state.TASK) {
- /* Compile task based program */
- Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
- while(taskit.hasNext()) {
- TaskDescriptor td=(TaskDescriptor)taskit.next();
- FlatMethod fm=state.getMethodFlat(td);
- generateFlatMethod(fm, outmethod);
- }
- } else if (state.main!=null) {
- /* Generate main method */
- outmethod.println("int main(int argc, const char *argv[]) {");
- ClassDescriptor cd=typeutil.getClass(state.main);
- Set mainset=cd.getMethodTable().getSet("main");
- for(Iterator mainit=mainset.iterator();mainit.hasNext();) {
- MethodDescriptor md=(MethodDescriptor)mainit.next();
- if (md.numParameters()!=0)
- continue;
- if (!md.getModifiers().isStatic())
- throw new Error("Error: Non static main");
- outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"();");
- break;
- }
- outmethod.println("}");
- }
- outmethod.close();
+ /* Build the virtual dispatch tables */
+ buildVirtualTables(outvirtual);
+
+ /* Output includes */
+ outmethodheader.println("#ifndef METHODHEADERS_H");
+ outmethodheader.println("#define METHODHEADERS_H");
+ outmethodheader.println("#include \"structdefs.h\"");
+ if (state.DSM)
+ outmethodheader.println("#include \"dstm.h\"");
+ if (state.SINGLETM)
+ outmethodheader.println("#include \"tm.h\"");
+ if (state.ABORTREADERS) {
+ outmethodheader.println("#include \"abortreaders.h\"");
+ outmethodheader.println("#include <setjmp.h>");
}
- private int maxcount=0;
+ /* Output Structures */
+ outputStructs(outstructs);
- /** This method outputs TaskDescriptor information */
- void generateTaskDescriptor(PrintWriter output, TaskDescriptor task) {
- output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
- output.println("&"+task.getSafeSymbol()+",");
-
- output.println("};");
+ // Output the C class declarations
+ // These could mutually reference each other
+ outputClassDeclarations(outclassdefs);
+
+ // Output function prototypes and structures for parameters
+ Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
+ while(it.hasNext()) {
+ ClassDescriptor cn=(ClassDescriptor)it.next();
+ generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
+ }
+ outclassdefs.close();
+
+ if (state.TASK) {
+ /* Map flags to integers */
+ /* The runtime keeps track of flags using these integers */
+ it=state.getClassSymbolTable().getDescriptorsIterator();
+ while(it.hasNext()) {
+ ClassDescriptor cn=(ClassDescriptor)it.next();
+ mapFlags(cn);
+ }
+ /* Generate Tasks */
+ generateTaskStructs(outstructs, outmethodheader);
+
+ /* Outputs generic task structures if this is a task
+ program */
+ outputTaskTypes(outtask);
}
+ /* Build the actual methods */
+ outputMethods(outmethod);
+
+ if (state.TASK) {
+ /* Output code for tasks */
+ outputTaskCode(outtaskdefs, outmethod);
+ outtaskdefs.close();
+ /* Record maximum number of task parameters */
+ outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
+ } else if (state.main!=null) {
+ /* Generate main method */
+ outputMainMethod(outmethod);
+ }
- /** The buildVirtualTables method outputs the virtual dispatch
- * tables for methods. */
+ /* Generate information for task with optional parameters */
+ if (state.TASK&&state.OPTIONAL) {
+ generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
+ outoptionalarrays.close();
+ }
- private void buildVirtualTables(PrintWriter outvirtual) {
- Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
- while(classit.hasNext()) {
- ClassDescriptor cd=(ClassDescriptor)classit.next();
- if (virtualcalls.getMethodCount(cd)>maxcount)
- maxcount=virtualcalls.getMethodCount(cd);
- }
- MethodDescriptor[][] virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
+ /* Output structure definitions for repair tool */
+ if (state.structfile!=null) {
+ buildRepairStructs(outrepairstructs);
+ outrepairstructs.close();
+ }
- /* Fill in virtual table */
- classit=state.getClassSymbolTable().getDescriptorsIterator();
- while(classit.hasNext()) {
- ClassDescriptor cd=(ClassDescriptor)classit.next();
- fillinRow(cd, virtualtable, cd.getId());
- }
+ /* Close files */
+ outmethodheader.println("#endif");
+ outmethodheader.close();
+ outmethod.close();
+ outstructs.println("#endif");
+ outstructs.close();
+ }
+
+
+ /* This code just generates the main C method for java programs.
+ * The main C method packs up the arguments into a string array
+ * and passes it to the java main method. */
+
+ private void outputMainMethod(PrintWriter outmethod) {
+ outmethod.println("int main(int argc, const char *argv[]) {");
+ outmethod.println(" int i;");
+ outmethod.println("#ifdef TRANSSTATS \n");
+ outmethod.println("handle();\n");
+ outmethod.println("#endif\n");
+ if (state.THREAD||state.DSM||state.SINGLETM) {
+ outmethod.println("initializethreads();");
+ }
+ if (state.DSM) {
+ outmethod.println("if (dstmStartup(argv[1])) {");
+ if (GENERATEPRECISEGC) {
+ outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
+ } else {
+ outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
+ }
+ } else {
+ if (GENERATEPRECISEGC) {
+ outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
+ } else {
+ outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
+ }
+ }
+ if (state.DSM) {
+ outmethod.println(" for(i=2;i<argc;i++) {");
+ } else
+ outmethod.println(" for(i=1;i<argc;i++) {");
+ outmethod.println(" int length=strlen(argv[i]);");
+ if (GENERATEPRECISEGC) {
+ outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
+ } else {
+ outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
+ }
+ if (state.DSM)
+ outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
+ else
+ outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
+ outmethod.println(" }");
+
+
+ MethodDescriptor md=typeutil.getMain();
+ ClassDescriptor cd=typeutil.getMainClass();
+
+ outmethod.println(" {");
+ if (GENERATEPRECISEGC) {
+ if (state.DSM||state.SINGLETM) {
+ outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
+ } else
+ outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
+ outmethod.println("1, NULL,"+"stringarray};");
+ if (state.DSM||state.SINGLETM)
+ outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
+ else
+ outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
+ } else {
+ if (state.DSM||state.SINGLETM)
+ outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
+ else
+ outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
+ }
+ outmethod.println(" }");
+
+ if (state.DSM) {
+ outmethod.println("}");
+ }
+
+ if (state.THREAD||state.DSM||state.SINGLETM) {
+ outmethod.println("pthread_mutex_lock(&gclistlock);");
+ outmethod.println("threadcount--;");
+ outmethod.println("pthread_cond_signal(&gccond);");
+ outmethod.println("pthread_mutex_unlock(&gclistlock);");
+ if (state.THREAD||state.SINGLETM)
+ outmethod.println("pthread_exit(NULL);");
+ }
+
+ if (state.DSM||state.SINGLETM) {
+ outmethod.println("#ifdef TRANSSTATS \n");
+ outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
+ outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
+ outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
+ outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
+ outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
+ outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
+ outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
+ outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
+ outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
+ outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
+ outmethod.println("#endif\n");
+ }
+ outmethod.println("}");
+
+ }
+
+ /* This method outputs code for each task. */
+
+ private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
+ /* Compile task based program */
+ outtaskdefs.println("#include \"task.h\"");
+ outtaskdefs.println("#include \"methodheaders.h\"");
+ Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
+ while(taskit.hasNext()) {
+ TaskDescriptor td=(TaskDescriptor)taskit.next();
+ FlatMethod fm=state.getMethodFlat(td);
+ generateFlatMethod(fm, null, outmethod);
+ generateTaskDescriptor(outtaskdefs, fm, td);
+ }
+
+ //Output task descriptors
+ taskit=state.getTaskSymbolTable().getDescriptorsIterator();
+ outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
+ boolean first=true;
+ while(taskit.hasNext()) {
+ TaskDescriptor td=(TaskDescriptor)taskit.next();
+ if (first)
+ first=false;
+ else
+ outtaskdefs.println(",");
+ outtaskdefs.print("&task_"+td.getSafeSymbol());
+ }
+ outtaskdefs.println("};");
+
+ outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
+ }
+
+ /* This method outputs most of the methods.c file. This includes
+ * some standard includes and then an array with the sizes of
+ * objets and array that stores supertype and then the code for
+ * the Java methods.. */
+
+ protected void outputMethods(PrintWriter outmethod) {
+ outmethod.println("#include \"methodheaders.h\"");
+ outmethod.println("#include \"virtualtable.h\"");
+ outmethod.println("#include \"runtime.h\"");
+ if (state.DSM) {
+ outmethod.println("#include \"addPrefetchEnhance.h\"");
+ outmethod.println("#include \"localobjects.h\"");
+ }
+ if (state.FASTCHECK) {
+ outmethod.println("#include \"localobjects.h\"");
+ }
+ if(state.MULTICORE) {
+ outmethod.println("#include \"task.h\"");
+ }
+ if (state.THREAD||state.DSM||state.SINGLETM)
+ outmethod.println("#include <thread.h>");
+ if (state.main!=null) {
+ outmethod.println("#include <string.h>");
+ }
+ if (state.CONSCHECK) {
+ outmethod.println("#include \"checkers.h\"");
+ }
+ if (state.MLP) {
+ outmethod.println("#include \"mlp_runtime.h\"");
+ }
+
+ //Store the sizes of classes & array elements
+ generateSizeArray(outmethod);
+
+ //Store table of supertypes
+ generateSuperTypeTable(outmethod);
- ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
- Iterator arrayit=state.getArrayIterator();
- while(arrayit.hasNext()) {
- TypeDescriptor td=(TypeDescriptor)arrayit.next();
- int id=state.getArrayNumber(td);
- fillinRow(objectcd, virtualtable, id+state.numClasses());
+ //Store the layout of classes
+ generateLayoutStructs(outmethod);
+
+ /* Generate code for methods */
+ if (state.DSM||state.SINGLETM) {
+ for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
+ LocalityBinding lb=lbit.next();
+ MethodDescriptor md=lb.getMethod();
+ FlatMethod fm=state.getMethodFlat(md);
+ wb.analyze(lb);
+ if (!md.getModifiers().isNative()) {
+ generateFlatMethod(fm, lb, outmethod);
}
-
- outvirtual.print("void * virtualtable[]={");
- boolean needcomma=false;
- for(int i=0;i<state.numClasses()+state.numArrays();i++) {
- for(int j=0;j<maxcount;j++) {
- if (needcomma)
- outvirtual.print(", ");
- if (virtualtable[i][j]!=null) {
- MethodDescriptor md=virtualtable[i][j];
- outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
- } else {
- outvirtual.print("0");
- }
- needcomma=true;
- }
- outvirtual.println("");
+ }
+ } else {
+ Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
+ while(classit.hasNext()) {
+ ClassDescriptor cn=(ClassDescriptor)classit.next();
+ Iterator methodit=cn.getMethods();
+ while(methodit.hasNext()) {
+ /* Classify parameters */
+ MethodDescriptor md=(MethodDescriptor)methodit.next();
+ FlatMethod fm=state.getMethodFlat(md);
+ if (!md.getModifiers().isNative()) {
+ generateFlatMethod(fm, null, outmethod);
+ }
}
- outvirtual.println("};");
- outvirtual.close();
+ }
}
+ }
+
+ protected void outputStructs(PrintWriter outstructs) {
+ outstructs.println("#ifndef STRUCTDEFS_H");
+ outstructs.println("#define STRUCTDEFS_H");
+ outstructs.println("#include \"classdefs.h\"");
+
+ /* Output #defines that the runtime uses to determine type
+ * numbers for various objects it needs */
+ outstructs.println("#define MAXCOUNT "+maxcount);
+ if (state.DSM||state.SINGLETM) {
+ LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
+ if (state.DSM)
+ lb.setGlobalThis(LocalityAnalysis.GLOBAL);
+ outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
+ }
+
+ outstructs.println("#define STRINGARRAYTYPE "+
+ (state.getArrayNumber(
+ (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
+
+ outstructs.println("#define OBJECTARRAYTYPE "+
+ (state.getArrayNumber(
+ (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
+
+
+ outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
+ outstructs.println("#define CHARARRAYTYPE "+
+ (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
- private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
- /* Get inherited methods */
- if (cd.getSuperDesc()!=null)
- fillinRow(cd.getSuperDesc(), virtualtable, rownum);
- /* Override them with our methods */
- for(Iterator it=cd.getMethods();it.hasNext();) {
- MethodDescriptor md=(MethodDescriptor)it.next();
- if (md.isStatic()||md.getReturnType()==null)
- continue;
- int methodnum=virtualcalls.getMethodNumber(md);
- virtualtable[rownum][methodnum]=md;
+ outstructs.println("#define BYTEARRAYTYPE "+
+ (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
+
+ outstructs.println("#define BYTEARRAYARRAYTYPE "+
+ (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
+
+ outstructs.println("#define NUMCLASSES "+state.numClasses());
+ if (state.TASK) {
+ outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
+ outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
+ outstructs.println("#define TAGARRAYTYPE "+
+ (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
+ }
+ }
+
+ protected void outputClassDeclarations(PrintWriter outclassdefs) {
+ if (state.THREAD||state.DSM||state.SINGLETM)
+ outclassdefs.println("#include <pthread.h>");
+ if(state.OPTIONAL)
+ outclassdefs.println("#include \"optionalstruct.h\"");
+ outclassdefs.println("struct "+arraytype+";");
+ /* Start by declaring all structs */
+ Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
+ while(it.hasNext()) {
+ ClassDescriptor cn=(ClassDescriptor)it.next();
+ outclassdefs.println("struct "+cn.getSafeSymbol()+";");
+ }
+ outclassdefs.println("");
+ //Print out definition for array type
+ outclassdefs.println("struct "+arraytype+" {");
+ outclassdefs.println(" int type;");
+ if (state.THREAD) {
+ outclassdefs.println(" pthread_t tid;");
+ outclassdefs.println(" void * lockentry;");
+ outclassdefs.println(" int lockcount;");
+ }
+ if (state.TASK) {
+ outclassdefs.println(" int flag;");
+ if(!state.MULTICORE) {
+ outclassdefs.println(" void * flagptr;");
+ } else {
+ outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
+ outclassdefs.println(" int version;");
+ outclassdefs.println(" struct ___Object___ * original;");
+ //outclassdefs.println(" int numlocks;"); // array for locks
+ outclassdefs.println(" int * lock;");
+ }
+ if(state.OPTIONAL) {
+ outclassdefs.println(" int numfses;");
+ outclassdefs.println(" int * fses;");
+ }
+ }
+ printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
+
+ outclassdefs.println(" int ___length___;");
+ outclassdefs.println("};\n");
+ outclassdefs.println("extern int classsize[];");
+ outclassdefs.println("extern int hasflags[];");
+ outclassdefs.println("extern unsigned int * pointerarray[];");
+ outclassdefs.println("extern int supertypes[];");
+ }
+
+ /** Prints out definitions for generic task structures */
+
+ private void outputTaskTypes(PrintWriter outtask) {
+ outtask.println("#ifndef _TASK_H");
+ outtask.println("#define _TASK_H");
+ outtask.println("struct parameterdescriptor {");
+ outtask.println("int type;");
+ outtask.println("int numberterms;");
+ outtask.println("int *intarray;");
+ outtask.println("void * queue;");
+ outtask.println("int numbertags;");
+ outtask.println("int *tagarray;");
+ outtask.println("};");
+
+ outtask.println("struct taskdescriptor {");
+ outtask.println("void * taskptr;");
+ outtask.println("int numParameters;");
+ outtask.println(" int numTotal;");
+ outtask.println("struct parameterdescriptor **descriptorarray;");
+ outtask.println("char * name;");
+ outtask.println("};");
+ outtask.println("extern struct taskdescriptor * taskarray[];");
+ outtask.println("extern numtasks;");
+ outtask.println("#endif");
+ }
+
+
+ private void buildRepairStructs(PrintWriter outrepairstructs) {
+ Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
+ while(classit.hasNext()) {
+ ClassDescriptor cn=(ClassDescriptor)classit.next();
+ outrepairstructs.println("structure "+cn.getSymbol()+" {");
+ outrepairstructs.println(" int __type__;");
+ if (state.TASK) {
+ outrepairstructs.println(" int __flag__;");
+ if(!state.MULTICORE) {
+ outrepairstructs.println(" int __flagptr__;");
}
+ }
+ printRepairStruct(cn, outrepairstructs);
+ outrepairstructs.println("}\n");
}
- /** Generate array that contains the sizes of class objects. The
- * object allocation functions in the runtime use this
- * information. */
-
- private void generateSizeArray(PrintWriter outclassdefs) {
- outclassdefs.print("int classsize[]={");
- Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
- ClassDescriptor[] cdarray=new ClassDescriptor[state.numClasses()];
- while(it.hasNext()) {
- ClassDescriptor cd=(ClassDescriptor)it.next();
- cdarray[cd.getId()]=cd;
+ for(int i=0; i<state.numArrays(); i++) {
+ TypeDescriptor tdarray=arraytable[i];
+ TypeDescriptor tdelement=tdarray.dereference();
+ outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
+ outrepairstructs.println(" int __type__;");
+ printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
+ outrepairstructs.println(" int length;");
+ /*
+ // Need to add support to repair tool for this
+ if (tdelement.isClass()||tdelement.isArray())
+ outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
+ else
+ outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
+ */
+ outrepairstructs.println("}\n");
+ }
+ }
+
+ private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
+ ClassDescriptor sp=cn.getSuperDesc();
+ if (sp!=null)
+ printRepairStruct(sp, output);
+
+ Vector fields=(Vector)fieldorder.get(cn);
+
+ for(int i=0; i<fields.size(); i++) {
+ FieldDescriptor fd=(FieldDescriptor)fields.get(i);
+ if (fd.getType().isArray()) {
+ output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
+ } else if (fd.getType().isClass())
+ output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
+ else if (fd.getType().isFloat())
+ output.println(" int "+fd.getSymbol()+"; /* really float */");
+ else
+ output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
+ }
+ }
+
+ /** This method outputs TaskDescriptor information */
+ private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
+ for (int i=0; i<task.numParameters(); i++) {
+ VarDescriptor param_var=task.getParameter(i);
+ TypeDescriptor param_type=task.getParamType(i);
+ FlagExpressionNode param_flag=task.getFlag(param_var);
+ TagExpressionList param_tag=task.getTag(param_var);
+
+ int dnfterms;
+ if (param_flag==null) {
+ output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
+ output.println("0x0, 0x0 };");
+ dnfterms=1;
+ } else {
+ DNFFlag dflag=param_flag.getDNF();
+ dnfterms=dflag.size();
+
+ Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
+ output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
+ for(int j=0; j<dflag.size(); j++) {
+ if (j!=0)
+ output.println(",");
+ Vector term=dflag.get(j);
+ int andmask=0;
+ int checkmask=0;
+ for(int k=0; k<term.size(); k++) {
+ DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
+ FlagDescriptor fd=dfa.getFlag();
+ boolean negated=dfa.getNegated();
+ int flagid=1<<((Integer)flags.get(fd)).intValue();
+ andmask|=flagid;
+ if (!negated)
+ checkmask|=flagid;
+ }
+ output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
}
- boolean needcomma=false;
- for(int i=0;i<state.numClasses();i++) {
- if (needcomma)
- outclassdefs.print(", ");
- outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
- needcomma=true;
+ output.println("};");
+ }
+
+ output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
+ //BUG...added next line to fix, test with any task program
+ if (param_tag!=null)
+ for(int j=0; j<param_tag.numTags(); j++) {
+ if (j!=0)
+ output.println(",");
+ /* for each tag we need */
+ /* which slot it is */
+ /* what type it is */
+ TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
+ TempDescriptor tmp=param_tag.getTemp(j);
+ int slot=fm.getTagInt(tmp);
+ output.println(slot+", "+state.getTagId(tvd.getTag()));
}
+ output.println("};");
+
+ output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
+ output.println("/* type */"+param_type.getClassDesc().getId()+",");
+ output.println("/* number of DNF terms */"+dnfterms+",");
+ output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
+ output.println("0,");
+ //BUG, added next line to fix and else statement...test
+ //with any task program
+ if (param_tag!=null)
+ output.println("/* number of tags */"+param_tag.numTags()+",");
+ else
+ output.println("/* number of tags */ 0,");
+ output.println("parametertag_"+i+"_"+task.getSafeSymbol());
+ output.println("};");
+ }
+
+
+ output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
+ for (int i=0; i<task.numParameters(); i++) {
+ if (i!=0)
+ output.println(",");
+ output.print("¶meter_"+i+"_"+task.getSafeSymbol());
+ }
+ output.println("};");
+
+ output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
+ output.println("&"+task.getSafeSymbol()+",");
+ output.println("/* number of parameters */" +task.numParameters() + ",");
+ int numtotal=task.numParameters()+fm.numTags();
+ output.println("/* number total parameters */" +numtotal + ",");
+ output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
+ output.println("\""+task.getSymbol()+"\"");
+ output.println("};");
+ }
+
+
+ /** The buildVirtualTables method outputs the virtual dispatch
+ * tables for methods. */
+
+ protected void buildVirtualTables(PrintWriter outvirtual) {
+ Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
+ while(classit.hasNext()) {
+ ClassDescriptor cd=(ClassDescriptor)classit.next();
+ if (virtualcalls.getMethodCount(cd)>maxcount)
+ maxcount=virtualcalls.getMethodCount(cd);
+ }
+ MethodDescriptor[][] virtualtable=null;
+ LocalityBinding[][] lbvirtualtable=null;
+ if (state.DSM||state.SINGLETM)
+ lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
+ else
+ virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
+
+ /* Fill in virtual table */
+ classit=state.getClassSymbolTable().getDescriptorsIterator();
+ while(classit.hasNext()) {
+ ClassDescriptor cd=(ClassDescriptor)classit.next();
+ if (state.DSM||state.SINGLETM)
+ fillinRow(cd, lbvirtualtable, cd.getId());
+ else
+ fillinRow(cd, virtualtable, cd.getId());
+ }
- TypeDescriptor[] sizetable=new TypeDescriptor[state.numArrays()];
+ ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
+ Iterator arrayit=state.getArrayIterator();
+ while(arrayit.hasNext()) {
+ TypeDescriptor td=(TypeDescriptor)arrayit.next();
+ int id=state.getArrayNumber(td);
+ if (state.DSM||state.SINGLETM)
+ fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
+ else
+ fillinRow(objectcd, virtualtable, id+state.numClasses());
+ }
- Iterator arrayit=state.getArrayIterator();
- while(arrayit.hasNext()) {
- TypeDescriptor td=(TypeDescriptor)arrayit.next();
- int id=state.getArrayNumber(td);
- sizetable[id]=td;
+ outvirtual.print("void * virtualtable[]={");
+ boolean needcomma=false;
+ for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
+ for(int j=0; j<maxcount; j++) {
+ if (needcomma)
+ outvirtual.print(", ");
+ if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
+ LocalityBinding lb=lbvirtualtable[i][j];
+ MethodDescriptor md=lb.getMethod();
+ outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
+ } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
+ MethodDescriptor md=virtualtable[i][j];
+ outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
+ } else {
+ outvirtual.print("0");
}
-
- for(int i=0;i<state.numArrays();i++) {
- if (needcomma)
- outclassdefs.print(", ");
- TypeDescriptor tdelement=sizetable[i].dereference();
- if (tdelement.isArray()||tdelement.isClass())
- outclassdefs.print("sizeof(void *)");
- else
- outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
- needcomma=true;
+ needcomma=true;
+ }
+ outvirtual.println("");
+ }
+ outvirtual.println("};");
+ outvirtual.close();
+ }
+
+ private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
+ /* Get inherited methods */
+ if (cd.getSuperDesc()!=null)
+ fillinRow(cd.getSuperDesc(), virtualtable, rownum);
+ /* Override them with our methods */
+ for(Iterator it=cd.getMethods(); it.hasNext();) {
+ MethodDescriptor md=(MethodDescriptor)it.next();
+ if (md.isStatic()||md.getReturnType()==null)
+ continue;
+ int methodnum=virtualcalls.getMethodNumber(md);
+ virtualtable[rownum][methodnum]=md;
+ }
+ }
+
+ private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
+ /* Get inherited methods */
+ if (cd.getSuperDesc()!=null)
+ fillinRow(cd.getSuperDesc(), virtualtable, rownum);
+ /* Override them with our methods */
+ if (locality.getClassBindings(cd)!=null)
+ for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
+ LocalityBinding lb=lbit.next();
+ MethodDescriptor md=lb.getMethod();
+ //Is the method static or a constructor
+ if (md.isStatic()||md.getReturnType()==null)
+ continue;
+ int methodnum=virtualcalls.getLocalityNumber(lb);
+ virtualtable[rownum][methodnum]=lb;
+ }
+ }
+
+ /** Generate array that contains the sizes of class objects. The
+ * object allocation functions in the runtime use this
+ * information. */
+
+ private void generateSizeArray(PrintWriter outclassdefs) {
+ outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
+ outclassdefs.print("#ifdef TRANSSTATS \n");
+ outclassdefs.print("extern int numTransAbort;\n");
+ outclassdefs.print("extern int numTransCommit;\n");
+ outclassdefs.print("extern int nchashSearch;\n");
+ outclassdefs.print("extern int nmhashSearch;\n");
+ outclassdefs.print("extern int nprehashSearch;\n");
+ outclassdefs.print("extern int nRemoteSend;\n");
+ outclassdefs.print("extern int nSoftAbort;\n");
+ outclassdefs.print("extern int bytesSent;\n");
+ outclassdefs.print("extern int bytesRecv;\n");
+ outclassdefs.print("extern void handle();\n");
+ outclassdefs.print("#endif\n");
+ outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
+
+ outclassdefs.print("int classsize[]={");
+ Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
+ cdarray=new ClassDescriptor[state.numClasses()];
+ while(it.hasNext()) {
+ ClassDescriptor cd=(ClassDescriptor)it.next();
+ cdarray[cd.getId()]=cd;
+ }
+ boolean needcomma=false;
+ for(int i=0; i<state.numClasses(); i++) {
+ if (needcomma)
+ outclassdefs.print(", ");
+ outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
+ needcomma=true;
+ }
+
+ arraytable=new TypeDescriptor[state.numArrays()];
+
+ Iterator arrayit=state.getArrayIterator();
+ while(arrayit.hasNext()) {
+ TypeDescriptor td=(TypeDescriptor)arrayit.next();
+ int id=state.getArrayNumber(td);
+ arraytable[id]=td;
+ }
+
+ for(int i=0; i<state.numArrays(); i++) {
+ if (needcomma)
+ outclassdefs.print(", ");
+ TypeDescriptor tdelement=arraytable[i].dereference();
+ if (tdelement.isArray()||tdelement.isClass())
+ outclassdefs.print("sizeof(void *)");
+ else
+ outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
+ needcomma=true;
+ }
+
+ outclassdefs.println("};");
+
+ ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
+ needcomma=false;
+ outclassdefs.print("int typearray[]={");
+ for(int i=0;i<state.numClasses();i++) {
+ ClassDescriptor cd=cdarray[i];
+ ClassDescriptor supercd=cd.getSuperDesc();
+ if (needcomma)
+ outclassdefs.print(", ");
+ if (supercd==null)
+ outclassdefs.print("-1");
+ else
+ outclassdefs.print(supercd.getId());
+ needcomma=true;
+ }
+
+ for(int i=0;i<state.numArrays();i++) {
+ TypeDescriptor arraytd=arraytable[i];
+ ClassDescriptor arraycd=arraytd.getClassDesc();
+ if (arraycd==null) {
+ if (needcomma)
+ outclassdefs.print(", ");
+ outclassdefs.print(objectclass.getId());
+ needcomma=true;
+ continue;
+ }
+ ClassDescriptor cd=arraycd.getSuperDesc();
+ int type=-1;
+ while(cd!=null) {
+ TypeDescriptor supertd=new TypeDescriptor(cd);
+ supertd.setArrayCount(arraytd.getArrayCount());
+ type=state.getArrayNumber(supertd);
+ if (type!=-1) {
+ type+=state.numClasses();
+ break;
}
+ cd=cd.getSuperDesc();
+ }
+ if (needcomma)
+ outclassdefs.print(", ");
+ outclassdefs.print(type);
+ needcomma=true;
+ }
- outclassdefs.println("};");
+ outclassdefs.println("};");
+
+ needcomma=false;
+
+
+ outclassdefs.print("int typearray2[]={");
+ for(int i=0;i<state.numArrays();i++) {
+ TypeDescriptor arraytd=arraytable[i];
+ ClassDescriptor arraycd=arraytd.getClassDesc();
+ if (arraycd==null) {
+ if (needcomma)
+ outclassdefs.print(", ");
+ outclassdefs.print("-1");
+ needcomma=true;
+ continue;
+ }
+ ClassDescriptor cd=arraycd.getSuperDesc();
+ int level=arraytd.getArrayCount()-1;
+ int type=-1;
+ for(;level>0;level--) {
+ TypeDescriptor supertd=new TypeDescriptor(objectclass);
+ supertd.setArrayCount(level);
+ type=state.getArrayNumber(supertd);
+ if (type!=-1) {
+ type+=state.numClasses();
+ break;
+ }
+ }
+ if (needcomma)
+ outclassdefs.print(", ");
+ outclassdefs.print(type);
+ needcomma=true;
}
- /** Constructs params and temp objects for each method or task.
- * These objects tell the compiler which temps need to be
- * allocated. */
+ outclassdefs.println("};");
+ }
+
+ /** Constructs params and temp objects for each method or task.
+ * These objects tell the compiler which temps need to be
+ * allocated. */
+
+ protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
+ MethodDescriptor md=fm.getMethod();
+ TaskDescriptor task=fm.getTask();
+ Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
+ ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
+ if (lb!=null) {
+ paramstable.put(lb, objectparams);
+ backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
+ }
+ else if (md!=null)
+ paramstable.put(md, objectparams);
+ else
+ paramstable.put(task, objectparams);
+
+ for(int i=0; i<fm.numParameters(); i++) {
+ TempDescriptor temp=fm.getParameter(i);
+ TypeDescriptor type=temp.getType();
+ if (type.isPtr()&&GENERATEPRECISEGC)
+ objectparams.addPtr(temp);
+ else
+ objectparams.addPrim(temp);
+ if(lb!=null&&saveset.contains(temp)) {
+ backuptable.get(lb).put(temp, temp.createNew());
+ }
+ }
- private void generateTempStructs(FlatMethod fm) {
- MethodDescriptor md=fm.getMethod();
- TaskDescriptor task=fm.getTask();
+ for(int i=0; i<fm.numTags(); i++) {
+ TempDescriptor temp=fm.getTag(i);
+ if (GENERATEPRECISEGC)
+ objectparams.addPtr(temp);
+ else
+ objectparams.addPrim(temp);
+ }
- ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
- if (md!=null)
- paramstable.put(md, objectparams);
+ TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
+ if (lb!=null)
+ tempstable.put(lb, objecttemps);
+ else if (md!=null)
+ tempstable.put(md, objecttemps);
+ else
+ tempstable.put(task, objecttemps);
+
+ for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
+ FlatNode fn=(FlatNode)nodeit.next();
+ TempDescriptor[] writes=fn.writesTemps();
+ for(int i=0; i<writes.length; i++) {
+ TempDescriptor temp=writes[i];
+ TypeDescriptor type=temp.getType();
+ if (type.isPtr()&&GENERATEPRECISEGC)
+ objecttemps.addPtr(temp);
else
- paramstable.put(task, objectparams);
+ objecttemps.addPrim(temp);
+ if(lb!=null&&saveset.contains(temp)&&
+ !backuptable.get(lb).containsKey(temp))
+ backuptable.get(lb).put(temp, temp.createNew());
+ }
+ }
- for(int i=0;i<fm.numParameters();i++) {
- TempDescriptor temp=fm.getParameter(i);
- TypeDescriptor type=temp.getType();
- if (type.isPtr()&&GENERATEPRECISEGC)
- objectparams.addPtr(temp);
- else
- objectparams.addPrim(temp);
+ /* Create backup temps */
+ if (lb!=null) {
+ for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
+ TempDescriptor tmp=tmpit.next();
+ TypeDescriptor type=tmp.getType();
+ if (type.isPtr()&&GENERATEPRECISEGC)
+ objecttemps.addPtr(tmp);
+ else
+ objecttemps.addPrim(tmp);
+ }
+ /* Create temp to hold revert table */
+ if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
+ TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
+ if (GENERATEPRECISEGC)
+ objecttemps.addPtr(reverttmp);
+ else
+ objecttemps.addPrim(reverttmp);
+ reverttable.put(lb, reverttmp);
+ }
+ }
+ }
+
+ /** This method outputs the following information about classes
+ * and arrays:
+ * (1) For classes, what are the locations of pointers.
+ * (2) For arrays, does the array contain pointers or primitives.
+ * (3) For classes, does the class contain flags.
+ */
+
+ private void generateLayoutStructs(PrintWriter output) {
+ Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
+ while(it.hasNext()) {
+ ClassDescriptor cn=(ClassDescriptor)it.next();
+ output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
+ Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
+ int count=0;
+ while(allit.hasNext()) {
+ FieldDescriptor fd=(FieldDescriptor)allit.next();
+ TypeDescriptor type=fd.getType();
+ if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
+ continue;
+ if (type.isPtr())
+ count++;
+ }
+ output.print(count);
+ allit=cn.getFieldTable().getAllDescriptorsIterator();
+ while(allit.hasNext()) {
+ FieldDescriptor fd=(FieldDescriptor)allit.next();
+ TypeDescriptor type=fd.getType();
+ if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
+ continue;
+ if (type.isPtr()) {
+ output.println(",");
+ output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
}
+ }
+ output.println("};");
+ }
+ output.println("unsigned int * pointerarray[]={");
+ boolean needcomma=false;
+ for(int i=0; i<state.numClasses(); i++) {
+ ClassDescriptor cn=cdarray[i];
+ if (needcomma)
+ output.println(",");
+ needcomma=true;
+ output.print(cn.getSafeSymbol()+"_pointers");
+ }
- TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
- if (md!=null)
- tempstable.put(md, objecttemps);
- else
- tempstable.put(task, objecttemps);
-
- for(Iterator nodeit=fm.getNodeSet().iterator();nodeit.hasNext();) {
- FlatNode fn=(FlatNode)nodeit.next();
- TempDescriptor[] writes=fn.writesTemps();
- for(int i=0;i<writes.length;i++) {
- TempDescriptor temp=writes[i];
- TypeDescriptor type=temp.getType();
- if (type.isPtr()&&GENERATEPRECISEGC)
- objecttemps.addPtr(temp);
- else
- objecttemps.addPrim(temp);
- }
+ for(int i=0; i<state.numArrays(); i++) {
+ if (needcomma)
+ output.println(", ");
+ TypeDescriptor tdelement=arraytable[i].dereference();
+ if (tdelement.isArray()||tdelement.isClass())
+ output.print("((unsigned int *)1)");
+ else
+ output.print("0");
+ needcomma=true;
+ }
+
+ output.println("};");
+ needcomma=false;
+ output.println("int hasflags[]={");
+ for(int i=0; i<state.numClasses(); i++) {
+ ClassDescriptor cn=cdarray[i];
+ if (needcomma)
+ output.println(", ");
+ needcomma=true;
+ if (cn.hasFlags())
+ output.print("1");
+ else
+ output.print("0");
+ }
+ output.println("};");
+ }
+
+ /** Print out table to give us supertypes */
+ private void generateSuperTypeTable(PrintWriter output) {
+ output.println("int supertypes[]={");
+ boolean needcomma=false;
+ for(int i=0; i<state.numClasses(); i++) {
+ ClassDescriptor cn=cdarray[i];
+ if (needcomma)
+ output.println(",");
+ needcomma=true;
+ if (cn.getSuperDesc()!=null) {
+ ClassDescriptor cdsuper=cn.getSuperDesc();
+ output.print(cdsuper.getId());
+ } else
+ output.print("-1");
+ }
+ output.println("};");
+ }
+
+ /** Force consistent field ordering between inherited classes. */
+
+ private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
+
+ ClassDescriptor sp=cn.getSuperDesc();
+ if (sp!=null)
+ printClassStruct(sp, classdefout);
+
+ if (!fieldorder.containsKey(cn)) {
+ Vector fields=new Vector();
+ fieldorder.put(cn,fields);
+ if (sp==null&&!state.TASK) {
+ fields.add(cn.getFieldTable().get("cachedCode"));
+ }
+ Iterator fieldit=cn.getFields();
+ while(fieldit.hasNext()) {
+ FieldDescriptor fd=(FieldDescriptor)fieldit.next();
+ if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
+ (!fd.getSymbol().equals("cachedCode")||state.TASK))
+ fields.add(fd);
+ }
+ }
+ Vector fields=(Vector)fieldorder.get(cn);
+
+ for(int i=0; i<fields.size(); i++) {
+ FieldDescriptor fd=(FieldDescriptor)fields.get(i);
+ if (fd.getType().isClass()||fd.getType().isArray())
+ classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
+ else
+ classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
+ }
+ }
+
+
+ /* Map flags to integers consistently between inherited
+ * classes. */
+
+ protected void mapFlags(ClassDescriptor cn) {
+ ClassDescriptor sp=cn.getSuperDesc();
+ if (sp!=null)
+ mapFlags(sp);
+ int max=0;
+ if (!flagorder.containsKey(cn)) {
+ Hashtable flags=new Hashtable();
+ flagorder.put(cn,flags);
+ if (sp!=null) {
+ Hashtable superflags=(Hashtable)flagorder.get(sp);
+ Iterator superflagit=superflags.keySet().iterator();
+ while(superflagit.hasNext()) {
+ FlagDescriptor fd=(FlagDescriptor)superflagit.next();
+ Integer number=(Integer)superflags.get(fd);
+ flags.put(fd, number);
+ if ((number.intValue()+1)>max)
+ max=number.intValue()+1;
}
+ }
+
+ Iterator flagit=cn.getFlags();
+ while(flagit.hasNext()) {
+ FlagDescriptor fd=(FlagDescriptor)flagit.next();
+ if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
+ flags.put(fd, new Integer(max++));
+ }
}
-
- /* Force consistent field ordering between inherited classes. */
-
- private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
- ClassDescriptor sp=cn.getSuperDesc();
- if (sp!=null)
- printClassStruct(sp, classdefout);
-
- if (!fieldorder.containsKey(cn)) {
- Vector fields=new Vector();
- fieldorder.put(cn,fields);
- Iterator fieldit=cn.getFields();
- while(fieldit.hasNext()) {
- FieldDescriptor fd=(FieldDescriptor)fieldit.next();
- if (sp==null||!sp.getFieldTable().contains(fd.getSymbol()))
- fields.add(fd);
- }
+ }
+
+
+ /** This function outputs (1) structures that parameters are
+ * passed in (when PRECISE GC is enabled) and (2) function
+ * prototypes for the methods */
+
+ protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
+ /* Output class structure */
+ classdefout.println("struct "+cn.getSafeSymbol()+" {");
+ classdefout.println(" int type;");
+ if (state.THREAD) {
+ classdefout.println(" pthread_t tid;");
+ classdefout.println(" void * lockentry;");
+ classdefout.println(" int lockcount;");
+ }
+
+ if (state.TASK) {
+ classdefout.println(" int flag;");
+ if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
+ classdefout.println(" void * flagptr;");
+ } else if (state.MULTICORE) {
+ classdefout.println(" int isolate;"); // indicate if this object is shared or not
+ classdefout.println(" int version;");
+ classdefout.println(" struct ___Object___ * original;");
+ //classdefout.println(" int numlocks;"); // array for locks
+ classdefout.println(" int * lock;");
+ }
+ if (state.OPTIONAL) {
+ classdefout.println(" int numfses;");
+ classdefout.println(" int * fses;");
+ }
+ }
+ printClassStruct(cn, classdefout);
+ classdefout.println("};\n");
+
+ if (state.DSM||state.SINGLETM) {
+ /* Cycle through LocalityBindings */
+ HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
+ Set<LocalityBinding> lbset=locality.getClassBindings(cn);
+ if (lbset!=null) {
+ for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
+ LocalityBinding lb=lbit.next();
+ MethodDescriptor md=lb.getMethod();
+ if (md.getModifiers().isNative()) {
+ //make sure we only print a native method once
+ if (nativemethods.contains(md)) {
+ FlatMethod fm=state.getMethodFlat(md);
+ generateTempStructs(fm, lb);
+ continue;
+ } else
+ nativemethods.add(md);
+ }
+ generateMethod(cn, md, lb, headersout, output);
}
- Vector fields=(Vector)fieldorder.get(cn);
-
- for(int i=0;i<fields.size();i++) {
- FieldDescriptor fd=(FieldDescriptor)fields.get(i);
- if (fd.getType().isClass()||fd.getType().isArray())
- classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
- else
- classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
- }
- }
-
-
- /* Map flags to integers consistently between inherited
- * classes. */
-
- private void mapFlags(ClassDescriptor cn) {
- ClassDescriptor sp=cn.getSuperDesc();
- if (sp!=null)
- mapFlags(sp);
- int max=0;
- if (!flagorder.containsKey(cn)) {
- Hashtable flags=new Hashtable();
- flagorder.put(cn,flags);
- if (sp!=null) {
- Hashtable superflags=(Hashtable)flagorder.get(sp);
- Iterator superflagit=superflags.keySet().iterator();
- while(superflagit.hasNext()) {
- FlagDescriptor fd=(FlagDescriptor)superflagit.next();
- Integer number=(Integer)superflags.get(fd);
- flags.put(fd, number);
- if (number.intValue()>max)
- max=number.intValue();
- }
- }
-
- Iterator flagit=cn.getFlags();
- while(flagit.hasNext()) {
- FlagDescriptor fd=(FlagDescriptor)flagit.next();
- if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
- flags.put(fd, new Integer(++max));
- }
+ }
+ for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
+ MethodDescriptor md=(MethodDescriptor)methodit.next();
+ if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
+ //Need to build param structure for library code
+ FlatMethod fm=state.getMethodFlat(md);
+ generateTempStructs(fm, null);
+ generateMethodParam(cn, md, null, output);
}
+ }
+
+ } else
+ for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
+ MethodDescriptor md=(MethodDescriptor)methodit.next();
+ generateMethod(cn, md, null, headersout, output);
+ }
+ }
+
+ private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
+ /* Output parameter structure */
+ if (GENERATEPRECISEGC) {
+ ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
+ if ((state.DSM||state.SINGLETM)&&lb!=null)
+ output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
+ else
+ output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
+ output.println(" int size;");
+ output.println(" void * next;");
+ for(int i=0; i<objectparams.numPointers(); i++) {
+ TempDescriptor temp=objectparams.getPointer(i);
+ output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
+ }
+ output.println("};\n");
+ }
+ }
+
+
+ private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
+ FlatMethod fm=state.getMethodFlat(md);
+ generateTempStructs(fm, lb);
+
+ ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
+ TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
+
+ generateMethodParam(cn, md, lb, output);
+
+ /* Output temp structure */
+ if (GENERATEPRECISEGC) {
+ if (state.DSM||state.SINGLETM)
+ output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
+ else
+ output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
+ output.println(" int size;");
+ output.println(" void * next;");
+ for(int i=0; i<objecttemps.numPointers(); i++) {
+ TempDescriptor temp=objecttemps.getPointer(i);
+ if (temp.getType().isNull())
+ output.println(" void * "+temp.getSafeSymbol()+";");
+ else
+ output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
+ }
+ output.println("};\n");
}
- /** This function outputs (1) structures that parameters are
- * passed in (when PRECISE GC is enabled) and (2) function
- * prototypes for the methods */
+ /********* Output method declaration ***********/
+
+ /* First the return type */
+ if (md.getReturnType()!=null) {
+ if (md.getReturnType().isClass()||md.getReturnType().isArray())
+ headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
+ else
+ headersout.print(md.getReturnType().getSafeSymbol()+" ");
+ } else
+ //catch the constructor case
+ headersout.print("void ");
+
+ /* Next the method name */
+ if (state.DSM||state.SINGLETM) {
+ headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
+ } else
+ headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
+
+ boolean printcomma=false;
+ if (GENERATEPRECISEGC) {
+ if (state.DSM||state.SINGLETM) {
+ headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
+ } else
+ headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
+ printcomma=true;
+ }
- private void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
- /* Output class structure */
- classdefout.println("struct "+cn.getSafeSymbol()+" {");
- classdefout.println(" int type;");
- printClassStruct(cn, classdefout);
- classdefout.println("};\n");
+ /* Output parameter list*/
+ for(int i=0; i<objectparams.numPrimitives(); i++) {
+ TempDescriptor temp=objectparams.getPrimitive(i);
+ if (printcomma)
+ headersout.print(", ");
+ printcomma=true;
+ if (temp.getType().isClass()||temp.getType().isArray())
+ headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
+ else
+ headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
+ }
+ headersout.println(");\n");
+ }
- /* Cycle through methods */
- Iterator methodit=cn.getMethods();
- while(methodit.hasNext()) {
- /* Classify parameters */
- MethodDescriptor md=(MethodDescriptor)methodit.next();
- FlatMethod fm=state.getMethodFlat(md);
- generateTempStructs(fm);
-
- ParamsObject objectparams=(ParamsObject) paramstable.get(md);
- TempObject objecttemps=(TempObject) tempstable.get(md);
-
- /* Output parameter structure */
- if (GENERATEPRECISEGC) {
- output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
- output.println(" int type;");
- output.println(" void * next;");
- for(int i=0;i<objectparams.numPointers();i++) {
- TempDescriptor temp=objectparams.getPointer(i);
- output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
- }
- output.println("};\n");
- }
- /* Output temp structure */
- if (GENERATEPRECISEGC) {
- output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
- output.println(" int type;");
- output.println(" void * next;");
- for(int i=0;i<objecttemps.numPointers();i++) {
- TempDescriptor temp=objecttemps.getPointer(i);
- if (temp.getType().isNull())
- output.println(" void * "+temp.getSafeSymbol()+";");
- else
- output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
- }
- output.println("};\n");
- }
-
- /* Output method declaration */
- if (md.getReturnType()!=null) {
- if (md.getReturnType().isClass()||md.getReturnType().isArray())
- headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
- else
- headersout.print(md.getReturnType().getSafeSymbol()+" ");
- } else
- //catch the constructor case
- headersout.print("void ");
- headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
-
- boolean printcomma=false;
- if (GENERATEPRECISEGC) {
- headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
- printcomma=true;
- }
+ /** This function outputs (1) structures that parameters are
+ * passed in (when PRECISE GC is enabled) and (2) function
+ * prototypes for the tasks */
- //output parameter list
- for(int i=0;i<objectparams.numPrimitives();i++) {
- TempDescriptor temp=objectparams.getPrimitive(i);
- if (printcomma)
- headersout.print(", ");
- printcomma=true;
- if (temp.getType().isClass()||temp.getType().isArray())
- headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
- else
- headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
- }
- headersout.println(");\n");
- }
- }
-
-
- /** This function outputs (1) structures that parameters are
- * passed in (when PRECISE GC is enabled) and (2) function
- * prototypes for the tasks */
-
- private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
- /* Cycle through tasks */
- Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
-
- while(taskit.hasNext()) {
- /* Classify parameters */
- TaskDescriptor task=(TaskDescriptor)taskit.next();
- FlatMethod fm=state.getMethodFlat(task);
- generateTempStructs(fm);
-
- ParamsObject objectparams=(ParamsObject) paramstable.get(task);
- TempObject objecttemps=(TempObject) tempstable.get(task);
-
- /* Output parameter structure */
- if (GENERATEPRECISEGC) {
- output.println("struct "+task.getSafeSymbol()+"_params {");
- output.println(" int type;");
- output.println(" void * next;");
- for(int i=0;i<objectparams.numPointers();i++) {
- TempDescriptor temp=objectparams.getPointer(i);
- output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
- }
- output.println("};\n");
- }
+ private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
+ /* Cycle through tasks */
+ Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
- /* Output temp structure */
- if (GENERATEPRECISEGC) {
- output.println("struct "+task.getSafeSymbol()+"_locals {");
- output.println(" int type;");
- output.println(" void * next;");
- for(int i=0;i<objecttemps.numPointers();i++) {
- TempDescriptor temp=objecttemps.getPointer(i);
- if (temp.getType().isNull())
- output.println(" void * "+temp.getSafeSymbol()+";");
- else
- output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
- }
- output.println("};\n");
- }
-
- /* Output task declaration */
- headersout.print("void " + task.getSafeSymbol()+"_"+"(");
-
- boolean printcomma=false;
- if (GENERATEPRECISEGC) {
- headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
- printcomma=true;
- }
+ while(taskit.hasNext()) {
+ /* Classify parameters */
+ TaskDescriptor task=(TaskDescriptor)taskit.next();
+ FlatMethod fm=state.getMethodFlat(task);
+ generateTempStructs(fm, null);
- //output parameter list
- for(int i=0;i<objectparams.numPrimitives();i++) {
- TempDescriptor temp=objectparams.getPrimitive(i);
- if (printcomma)
- headersout.print(", ");
- printcomma=true;
- if (temp.getType().isClass()||temp.getType().isArray())
- headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
- else
- headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
- }
- headersout.println(");\n");
- }
- }
-
- /** Generate code for flatmethod fm. */
-
- private void generateFlatMethod(FlatMethod fm, PrintWriter output) {
- MethodDescriptor md=fm.getMethod();
- TaskDescriptor task=fm.getTask();
-
- ClassDescriptor cn=md!=null?md.getClassDesc():null;
-
- ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null?md:task);
-
- generateHeader(md!=null?md:task,output);
-
- /* Print code */
- output.println(" {");
-
- if (GENERATEPRECISEGC) {
- if (md!=null)
- output.println(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+";");
- else
- output.println(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+";");
- }
- TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
- for(int i=0;i<objecttemp.numPrimitives();i++) {
- TempDescriptor td=objecttemp.getPrimitive(i);
- TypeDescriptor type=td.getType();
- if (type.isNull())
- output.println(" void * "+td.getSafeSymbol()+";");
- else if (type.isClass()||type.isArray())
- output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
- else
- output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
- }
-
-
- /* Generate labels first */
- HashSet tovisit=new HashSet();
- HashSet visited=new HashSet();
- int labelindex=0;
- Hashtable nodetolabel=new Hashtable();
- tovisit.add(fm.methodEntryNode());
- FlatNode current_node=null;
-
- //Assign labels 1st
- //Node needs a label if it is
- while(!tovisit.isEmpty()) {
- FlatNode fn=(FlatNode)tovisit.iterator().next();
- tovisit.remove(fn);
- visited.add(fn);
- for(int i=0;i<fn.numNext();i++) {
- FlatNode nn=fn.getNext(i);
- if(i>0) {
- //1) Edge >1 of node
- nodetolabel.put(nn,new Integer(labelindex++));
- }
- if (!visited.contains(nn)&&!tovisit.contains(nn)) {
- tovisit.add(nn);
- } else {
- //2) Join point
- nodetolabel.put(nn,new Integer(labelindex++));
- }
- }
+ ParamsObject objectparams=(ParamsObject) paramstable.get(task);
+ TempObject objecttemps=(TempObject) tempstable.get(task);
+
+ /* Output parameter structure */
+ if (GENERATEPRECISEGC) {
+ output.println("struct "+task.getSafeSymbol()+"_params {");
+
+ output.println(" int size;");
+ output.println(" void * next;");
+ for(int i=0; i<objectparams.numPointers(); i++) {
+ TempDescriptor temp=objectparams.getPointer(i);
+ output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
}
- //Do the actual code generation
- tovisit=new HashSet();
- visited=new HashSet();
- tovisit.add(fm.methodEntryNode());
- while(current_node!=null||!tovisit.isEmpty()) {
- if (current_node==null) {
- current_node=(FlatNode)tovisit.iterator().next();
- tovisit.remove(current_node);
- }
- visited.add(current_node);
- if (nodetolabel.containsKey(current_node))
- output.println("L"+nodetolabel.get(current_node)+":");
- if (current_node.numNext()==0) {
- output.print(" ");
- generateFlatNode(fm, current_node, output);
- if (current_node.kind()!=FKind.FlatReturnNode) {
- output.println(" return;");
- }
- current_node=null;
- } else if(current_node.numNext()==1) {
- output.print(" ");
- generateFlatNode(fm, current_node, output);
- FlatNode nextnode=current_node.getNext(0);
- if (visited.contains(nextnode)) {
- output.println("goto L"+nodetolabel.get(nextnode)+";");
- current_node=null;
- } else
- current_node=nextnode;
- } else if (current_node.numNext()==2) {
- /* Branch */
- output.print(" ");
- generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
- if (!visited.contains(current_node.getNext(1)))
- tovisit.add(current_node.getNext(1));
- if (visited.contains(current_node.getNext(0))) {
- output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
- current_node=null;
- } else
- current_node=current_node.getNext(0);
- } else throw new Error();
- }
- output.println("}\n\n");
- }
-
- /** Generate text string that corresponds to the Temp td. */
- private String generateTemp(FlatMethod fm, TempDescriptor td) {
- MethodDescriptor md=fm.getMethod();
- TaskDescriptor task=fm.getTask();
- TempObject objecttemps=(TempObject) tempstable.get(md!=null?md:task);
- if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
- return td.getSafeSymbol();
- }
-
- if (objecttemps.isLocalPtr(td)) {
- return localsprefix+"."+td.getSafeSymbol();
- }
-
- if (objecttemps.isParamPtr(td)) {
- return paramsprefix+"->"+td.getSafeSymbol();
- }
- throw new Error();
- }
-
- private void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
- switch(fn.kind()) {
- case FKind.FlatCall:
- generateFlatCall(fm, (FlatCall) fn,output);
- return;
- case FKind.FlatFieldNode:
- generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
- return;
- case FKind.FlatElementNode:
- generateFlatElementNode(fm, (FlatElementNode) fn,output);
- return;
- case FKind.FlatSetElementNode:
- generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
- return;
- case FKind.FlatSetFieldNode:
- generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
- return;
- case FKind.FlatNew:
- generateFlatNew(fm, (FlatNew) fn,output);
- return;
- case FKind.FlatOpNode:
- generateFlatOpNode(fm, (FlatOpNode) fn,output);
- return;
- case FKind.FlatCastNode:
- generateFlatCastNode(fm, (FlatCastNode) fn,output);
- return;
- case FKind.FlatLiteralNode:
- generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
- return;
- case FKind.FlatReturnNode:
- generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
- return;
- case FKind.FlatNop:
- output.println("/* nop */");
- return;
- case FKind.FlatFlagActionNode:
- generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
- return;
- }
- throw new Error();
-
- }
-
- private void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
- MethodDescriptor md=fc.getMethod();
- ParamsObject objectparams=(ParamsObject) paramstable.get(md);
- ClassDescriptor cn=md.getClassDesc();
- output.println("{");
- if (GENERATEPRECISEGC) {
- output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
-
- output.print(objectparams.getUID());
- output.print(", & "+localsprefix);
- if (fc.getThis()!=null) {
- output.print(", ");
- output.print(generateTemp(fm,fc.getThis()));
- }
- for(int i=0;i<fc.numArgs();i++) {
- VarDescriptor var=md.getParameter(i);
- TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
- if (objectparams.isParamPtr(paramtemp)) {
- TempDescriptor targ=fc.getArg(i);
- output.print(", ");
- output.print(generateTemp(fm, targ));
- }
- }
- output.println("};");
+ output.println("};\n");
+ if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
+ maxtaskparams=objectparams.numPointers()+fm.numTags();
}
- output.print(" ");
+ }
+
+ /* Output temp structure */
+ if (GENERATEPRECISEGC) {
+ output.println("struct "+task.getSafeSymbol()+"_locals {");
+ output.println(" int size;");
+ output.println(" void * next;");
+ for(int i=0; i<objecttemps.numPointers(); i++) {
+ TempDescriptor temp=objecttemps.getPointer(i);
+ if (temp.getType().isNull())
+ output.println(" void * "+temp.getSafeSymbol()+";");
+ else if(temp.getType().isTag())
+ output.println(" struct "+
+ (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
+ else
+ output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
+ }
+ output.println("};\n");
+ }
+
+ /* Output task declaration */
+ headersout.print("void " + task.getSafeSymbol()+"(");
+
+ boolean printcomma=false;
+ if (GENERATEPRECISEGC) {
+ headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
+ } else
+ headersout.print("void * parameterarray[]");
+ headersout.println(");\n");
+ }
+ }
+
+ /***** Generate code for FlatMethod fm. *****/
+
+ private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
+ if (State.PRINTFLAT)
+ System.out.println(fm.printMethod());
+ MethodDescriptor md=fm.getMethod();
+
+ TaskDescriptor task=fm.getTask();
+
+ ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
+
+ ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
+ generateHeader(fm, lb, md!=null ? md : task,output);
+ TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
+
+ if (GENERATEPRECISEGC) {
+ if (md!=null&&(state.DSM||state.SINGLETM))
+ output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
+ else if (md!=null&&!(state.DSM||state.SINGLETM))
+ output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
+ else
+ output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
+
+ output.print(objecttemp.numPointers()+",");
+ output.print(paramsprefix);
+ for(int j=0; j<objecttemp.numPointers(); j++)
+ output.print(", NULL");
+ output.println("};");
+ }
+
+ for(int i=0; i<objecttemp.numPrimitives(); i++) {
+ TempDescriptor td=objecttemp.getPrimitive(i);
+ TypeDescriptor type=td.getType();
+ if (type.isNull())
+ output.println(" void * "+td.getSafeSymbol()+";");
+ else if (type.isClass()||type.isArray())
+ output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
+ else
+ output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
+ }
+
+ /* Assign labels to FlatNode's if necessary.*/
+
+ Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
+ /* Check to see if we need to do a GC if this is a
+ * multi-threaded program...*/
- if (fc.getReturnTemp()!=null)
- output.print(generateTemp(fm,fc.getReturnTemp())+"=");
- if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
- output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
+ if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
+ if (state.DSM&&lb.isAtomic())
+ output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
+ else
+ output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
+ }
+
+ /* Do the actual code generation */
+ FlatNode current_node=null;
+ HashSet tovisit=new HashSet();
+ HashSet visited=new HashSet();
+ tovisit.add(fm.getNext(0));
+ while(current_node!=null||!tovisit.isEmpty()) {
+ if (current_node==null) {
+ current_node=(FlatNode)tovisit.iterator().next();
+ tovisit.remove(current_node);
+ } else if (tovisit.contains(current_node)){
+ tovisit.remove(current_node);
+ }
+ visited.add(current_node);
+ if (nodetolabel.containsKey(current_node))
+ output.println("L"+nodetolabel.get(current_node)+":");
+ if (state.INSTRUCTIONFAILURE) {
+ if (state.THREAD||state.DSM||state.SINGLETM) {
+ output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
+ } else
+ output.println("if ((--instructioncount)==0) injectinstructionfailure();");
+ }
+ if (current_node.numNext()==0) {
+ output.print(" ");
+ generateFlatNode(fm, lb, current_node, output);
+ if (current_node.kind()!=FKind.FlatReturnNode) {
+ output.println(" return;");
+ }
+ current_node=null;
+ } else if(current_node.numNext()==1) {
+ output.print(" ");
+ generateFlatNode(fm, lb, current_node, output);
+ if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
+ current_node=((FlatSESEEnterNode)current_node).getFlatExit();
+ }
+ FlatNode nextnode=current_node.getNext(0);
+ if (visited.contains(nextnode)) {
+ output.println("goto L"+nodetolabel.get(nextnode)+";");
+ current_node=null;
+ } else
+ current_node=nextnode;
+ } else if (current_node.numNext()==2) {
+ /* Branch */
+ output.print(" ");
+ generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
+ if (!visited.contains(current_node.getNext(1)))
+ tovisit.add(current_node.getNext(1));
+ if (visited.contains(current_node.getNext(0))) {
+ output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
+ current_node=null;
+ } else
+ current_node=current_node.getNext(0);
+ } else throw new Error();
+ }
+ output.println("}\n\n");
+ }
+
+ /** This method assigns labels to FlatNodes */
+
+ protected Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
+ HashSet tovisit=new HashSet();
+ HashSet visited=new HashSet();
+ int labelindex=0;
+ Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
+ tovisit.add(fm.getNext(0));
+
+ /*Assign labels first. A node needs a label if the previous
+ * node has two exits or this node is a join point. */
+
+ while(!tovisit.isEmpty()) {
+ FlatNode fn=(FlatNode)tovisit.iterator().next();
+ tovisit.remove(fn);
+ visited.add(fn);
+ for(int i=0; i<fn.numNext(); i++) {
+ FlatNode nn=fn.getNext(i);
+ if(i>0) {
+ //1) Edge >1 of node
+ nodetolabel.put(nn,new Integer(labelindex++));
+ }
+ if (!visited.contains(nn)&&!tovisit.contains(nn)) {
+ tovisit.add(nn);
} else {
-
- output.print("((");
- if (md.getReturnType().isClass()||md.getReturnType().isArray())
- output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
- else
- output.print(md.getReturnType().getSafeSymbol()+" ");
- output.print("(*)(");
-
- boolean printcomma=false;
- if (GENERATEPRECISEGC) {
- output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
- printcomma=true;
- }
-
-
- for(int i=0;i<objectparams.numPrimitives();i++) {
- TempDescriptor temp=objectparams.getPrimitive(i);
- if (printcomma)
- output.print(", ");
- printcomma=true;
- if (temp.getType().isClass()||temp.getType().isArray())
- output.print("struct " + temp.getType().getSafeSymbol()+" * ");
- else
- output.print(temp.getType().getSafeSymbol());
- }
+ //2) Join point
+ nodetolabel.put(nn,new Integer(labelindex++));
+ }
+ }
+ }
+ return nodetolabel;
+ }
+
+
+ /** Generate text string that corresponds to the TempDescriptor td. */
+ protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
+ MethodDescriptor md=fm.getMethod();
+ TaskDescriptor task=fm.getTask();
+ TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
+ if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
+ //System.out.println("generateTemp returns " + td.getSafeSymbol());
+ return td.getSafeSymbol();
+ }
- output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
+ if (objecttemps.isLocalPtr(td)) {
+ return localsprefix+"."+td.getSafeSymbol();
+ }
+
+ if (objecttemps.isParamPtr(td)) {
+ return paramsprefix+"->"+td.getSafeSymbol();
+ }
+ throw new Error();
+ }
+
+ protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
+ switch(fn.kind()) {
+ case FKind.FlatAtomicEnterNode:
+ generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
+ return;
+
+ case FKind.FlatAtomicExitNode:
+ generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
+ return;
+
+ case FKind.FlatInstanceOfNode:
+ generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
+ return;
+
+ case FKind.FlatSESEEnterNode:
+ if( state.MLP ) generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode) fn, output);
+ return;
+
+ case FKind.FlatSESEExitNode:
+ if( state.MLP ) generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode) fn, output);
+ return;
+
+ case FKind.FlatGlobalConvNode:
+ generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
+ return;
+
+ case FKind.FlatTagDeclaration:
+ generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
+ return;
+
+ case FKind.FlatCall:
+ generateFlatCall(fm, lb, (FlatCall) fn,output);
+ return;
+
+ case FKind.FlatFieldNode:
+ generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
+ return;
+
+ case FKind.FlatElementNode:
+ generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
+ return;
+
+ case FKind.FlatSetElementNode:
+ generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
+ return;
+
+ case FKind.FlatSetFieldNode:
+ generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
+ return;
+
+ case FKind.FlatNew:
+ generateFlatNew(fm, lb, (FlatNew) fn,output);
+ return;
+
+ case FKind.FlatOpNode:
+ generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
+ return;
+
+ case FKind.FlatCastNode:
+ generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
+ return;
+
+ case FKind.FlatLiteralNode:
+ generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
+ return;
+
+ case FKind.FlatReturnNode:
+ generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
+ return;
+
+ case FKind.FlatNop:
+ output.println("/* nop */");
+ return;
+
+ case FKind.FlatExit:
+ output.println("/* exit */");
+ return;
+
+ case FKind.FlatBackEdge:
+ if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
+ if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
+ output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
+ } else
+ output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
+ } else
+ output.println("/* nop */");
+ return;
+
+ case FKind.FlatCheckNode:
+ generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
+ return;
+
+ case FKind.FlatFlagActionNode:
+ generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
+ return;
+
+ case FKind.FlatPrefetchNode:
+ generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
+ return;
+
+ case FKind.FlatOffsetNode:
+ generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
+ return;
+ }
+ throw new Error();
+ }
+
+ public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
+ output.println("/* FlatOffsetNode */");
+ FieldDescriptor fd=fofn.getField();
+ output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
+ output.println("/* offset */");
+ }
+
+ public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
+ if (state.PREFETCH) {
+ Vector oids = new Vector();
+ Vector fieldoffset = new Vector();
+ Vector endoffset = new Vector();
+ int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
+ for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
+ PrefetchPair pp = (PrefetchPair) it.next();
+ Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
+ /* Find prefetches that can generate oid */
+ if(statusbase == LocalityAnalysis.GLOBAL) {
+ generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
+ tuplecount++;
+ } else if (statusbase == LocalityAnalysis.LOCAL) {
+ generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
+ } else {
+ continue;
}
+ }
+ if (tuplecount==0)
+ return;
+ System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
+ output.println("{");
+ output.println("/* prefetch */");
+ output.println("/* prefetchid_" + fpn.siteid + " */");
+ output.println("void * prefptr;");
+ output.println("int tmpindex;");
+
+ output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
+ /*Create C code for oid array */
+ output.print(" unsigned int oidarray_[] = {");
+ boolean needcomma=false;
+ for (Iterator it = oids.iterator(); it.hasNext();) {
+ if (needcomma)
+ output.print(", ");
+ output.print(it.next());
+ needcomma=true;
+ }
+ output.println("};");
+
+ /*Create C code for endoffset values */
+ output.print(" unsigned short endoffsetarry_[] = {");
+ needcomma=false;
+ for (Iterator it = endoffset.iterator(); it.hasNext();) {
+ if (needcomma)
+ output.print(", ");
+ output.print(it.next());
+ needcomma=true;
+ }
+ output.println("};");
+
+ /*Create C code for Field Offset Values */
+ output.print(" short fieldarry_[] = {");
+ needcomma=false;
+ for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
+ if (needcomma)
+ output.print(", ");
+ output.print(it.next());
+ needcomma=true;
+ }
+ output.println("};");
+ /* make the prefetch call to Runtime */
+ output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
+ output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
+ output.println(" }");
+ output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
+ output.println(" } else {");
+ output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
+ output.println(" }");
+ output.println("}");
+ }
+ }
+
+ public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
+ short offsetcount = 0;
+ int breakindex=0;
+ if (inside) {
+ breakindex=1;
+ } else if (localbase) {
+ for(; breakindex<pp.desc.size(); breakindex++) {
+ Descriptor desc=pp.getDescAt(breakindex);
+ if (desc instanceof FieldDescriptor) {
+ FieldDescriptor fd=(FieldDescriptor)desc;
+ if (fd.isGlobal()) {
+ break;
+ }
+ }
+ }
+ breakindex++;
+ }
- output.print("(");
- boolean needcomma=false;
- if (GENERATEPRECISEGC) {
- output.print("&__parameterlist__");
- needcomma=true;
+ if (breakindex>pp.desc.size()) //all local
+ return;
+
+ TypeDescriptor lasttype=pp.base.getType();
+ String basestr=generateTemp(fm, pp.base, lb);
+ String teststr="";
+ boolean maybenull=fm.getMethod().isStatic()||
+ !pp.base.equals(fm.getParameter(0));
+
+ for(int i=0; i<breakindex; i++) {
+ String indexcheck="";
+
+ Descriptor desc=pp.getDescAt(i);
+ if (desc instanceof FieldDescriptor) {
+ FieldDescriptor fd=(FieldDescriptor)desc;
+ if (maybenull) {
+ if (!teststr.equals(""))
+ teststr+="&&";
+ teststr+="((prefptr="+basestr+")!=NULL)";
+ basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
} else {
- if (fc.getThis()!=null) {
- output.print(generateTemp(fm,fc.getThis()));
- needcomma=true;
- }
+ basestr=basestr+"->"+fd.getSafeSymbol();
+ maybenull=true;
}
- for(int i=0;i<fc.numArgs();i++) {
- VarDescriptor var=md.getParameter(i);
- TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
- if (objectparams.isParamPrim(paramtemp)) {
- TempDescriptor targ=fc.getArg(i);
- if (needcomma)
- output.print(", ");
- output.print(generateTemp(fm, targ));
- needcomma=true;
- }
+ lasttype=fd.getType();
+ } else {
+ IndexDescriptor id=(IndexDescriptor)desc;
+ indexcheck="((tmpindex=";
+ for(int j=0; j<id.tddesc.size(); j++) {
+ indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
}
- output.println(");");
- output.println(" }");
- }
-
- private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
- Set subclasses=typeutil.getSubClasses(thiscd);
- if (subclasses==null)
- return true;
- for(Iterator classit=subclasses.iterator();classit.hasNext();) {
- ClassDescriptor cd=(ClassDescriptor)classit.next();
- Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
- for(Iterator matchit=possiblematches.iterator();matchit.hasNext();) {
- MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
- if (md.matches(matchmd))
- return false;
- }
+ indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
+
+ if (!teststr.equals(""))
+ teststr+="&&";
+ teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
+ basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
+ maybenull=true;
+ lasttype=lasttype.dereference();
+ }
+ }
+
+ String oid;
+ if (teststr.equals("")) {
+ oid="((unsigned int)"+basestr+")";
+ } else {
+ oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
+ }
+ oids.add(oid);
+
+ for(int i = breakindex; i < pp.desc.size(); i++) {
+ String newfieldoffset;
+ Object desc = pp.getDescAt(i);
+ if(desc instanceof FieldDescriptor) {
+ FieldDescriptor fd=(FieldDescriptor)desc;
+ newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
+ lasttype=fd.getType();
+ } else {
+ newfieldoffset = "";
+ IndexDescriptor id=(IndexDescriptor)desc;
+ for(int j = 0; j < id.tddesc.size(); j++) {
+ newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
}
- return true;
+ newfieldoffset += id.offset.toString();
+ lasttype=lasttype.dereference();
+ }
+ fieldoffset.add(newfieldoffset);
+ }
+
+ int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
+ base+=pp.desc.size()-breakindex;
+ endoffset.add(new Short((short)base));
+ }
+
+
+
+ public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
+ if (lb!=fgcn.getLocality())
+ return;
+ /* Have to generate flat globalconv */
+ if (fgcn.getMakePtr()) {
+ output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
+ } else {
+ /* Need to convert to OID */
+ if (fgcn.doConvert()) {
+ output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
+ } else {
+ output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
+ }
}
+ }
+
+ public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
+ int type;
+ if (fion.getType().isArray()) {
+ type=state.getArrayNumber(fion.getType())+state.numClasses();
+ } else {
+ type=fion.getType().getClassDesc().getId();
+ }
+
+ if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
+ output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
+ else
+ output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
+ }
+
+ public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
+ /* Check to see if we need to generate code for this atomic */
+ if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
+ return;
+ /* Backup the temps. */
+ for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
+ TempDescriptor tmp=tmpit.next();
+ output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
+ }
+
+ output.println("goto transstart"+faen.getIdentifier()+";");
+
+ /******* Print code to retry aborted transaction *******/
+ output.println("transretry"+faen.getIdentifier()+":");
- private void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
- output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
+ /* Restore temps */
+ for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
+ TempDescriptor tmp=tmpit.next();
+ output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
}
- private void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
- if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
- throw new Error("Can't set array length");
- output.println(generateTemp(fm, fsfn.getDst())+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
+ if (state.DSM) {
+ /********* Need to revert local object store ********/
+ String revertptr=generateTemp(fm, reverttable.get(lb),lb);
+
+ output.println("while ("+revertptr+") {");
+ output.println("struct ___Object___ * tmpptr;");
+ output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
+ output.println("REVERT_OBJ("+revertptr+");");
+ output.println(revertptr+"=tmpptr;");
+ output.println("}");
+ }
+ /******* Tell the runtime to start the transaction *******/
+
+ output.println("transstart"+faen.getIdentifier()+":");
+ output.println("transStart();");
+
+ if (state.ABORTREADERS) {
+ output.println("if (_setjmp(aborttrans)) {");
+ output.println(" goto transretry"+faen.getIdentifier()+"; }");
+ }
+ }
+
+ public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
+ /* Check to see if we need to generate code for this atomic */
+ if (locality.getAtomic(lb).get(faen).intValue()>0)
+ return;
+ //store the revert list before we lose the transaction object
+ String revertptr=null;
+ if (state.DSM) {
+ revertptr=generateTemp(fm, reverttable.get(lb),lb);
+ output.println(revertptr+"=revertlist;");
}
+ output.println("if (transCommit()) {");
+ /* Transaction aborts if it returns true */
+ output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
+ if (state.DSM) {
+ output.println("} else {");
+ /* Need to commit local object store */
+ output.println("while ("+revertptr+") {");
+ output.println("struct ___Object___ * tmpptr;");
+ output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
+ output.println("COMMIT_OBJ("+revertptr+");");
+ output.println(revertptr+"=tmpptr;");
+ output.println("}");
+ }
+ output.println("}");
+ }
+
- private void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
- TypeDescriptor elementtype=fen.getSrc().getType().dereference();
- String type="";
+ public void generateSESE(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
+
+ }
- if (elementtype.isArray()||elementtype.isClass())
- type="void *";
- else
- type=elementtype.getSafeSymbol()+" ";
- if (fen.needsBoundsCheck()) {
- output.println("if ("+generateTemp(fm, fen.getIndex())+"< 0 || "+generateTemp(fm, fen.getIndex())+" >= "+generateTemp(fm,fen.getSrc()) + "->___length___)");
- output.println("failedboundschk();");
+ public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
+ /*
+ output.println("struct sese"+faen.getPrettyIdentifier()+"in {");
+ Iterator<TempDescriptor> itr = faen.getInVarSet().iterator();
+ while( itr.hasNext() ) {
+ TempDescriptor td = itr.next();
+ output.println(" "+td+";");
+ }
+ output.println("}");
+
+ output.println("struct sese"+faen.getPrettyIdentifier()+"out {");
+ itr = faen.getOutVarSet().iterator();
+ while( itr.hasNext() ) {
+ TempDescriptor td = itr.next();
+ output.println(" "+td+";");
+ }
+ output.println("}");
+ */
+ }
+
+ public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
+ //output.println("mlpNotifyExit( (struct SESE*)0 );");
+ }
+
+ private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
+ if (state.CONSCHECK) {
+ String specname=fcn.getSpec();
+ String varname="repairstate___";
+ output.println("{");
+ output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
+
+ TempDescriptor[] temps=fcn.getTemps();
+ String[] vars=fcn.getVars();
+ for(int i=0; i<temps.length; i++) {
+ output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
+ }
+
+ output.println("if (doanalysis"+specname+"("+varname+")) {");
+ output.println("free"+specname+"_state("+varname+");");
+ output.println("} else {");
+ output.println("/* Bad invariant */");
+ output.println("free"+specname+"_state("+varname+");");
+ output.println("abort_task();");
+ output.println("}");
+ output.println("}");
+ }
+ }
+
+ private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
+ MethodDescriptor md=fc.getMethod();
+ ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
+ ClassDescriptor cn=md.getClassDesc();
+ output.println("{");
+ if (GENERATEPRECISEGC) {
+ if (state.DSM||state.SINGLETM) {
+ LocalityBinding fclb=locality.getBinding(lb, fc);
+ output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
+ } else
+ output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
+
+ output.print(objectparams.numPointers());
+ output.print(", & "+localsprefix);
+ if (md.getThis()!=null) {
+ output.print(", ");
+ output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
+ }
+ if (fc.getThis()!=null&&md.getThis()==null) {
+ System.out.println("WARNING!!!!!!!!!!!!");
+ System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
+ }
+
+
+ for(int i=0; i<fc.numArgs(); i++) {
+ Descriptor var=md.getParameter(i);
+ TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
+ if (objectparams.isParamPtr(paramtemp)) {
+ TempDescriptor targ=fc.getArg(i);
+ output.print(", ");
+ TypeDescriptor td=md.getParamType(i);
+ if (td.isTag())
+ output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
+ else
+ output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
}
+ }
+ output.println("};");
+ }
+ output.print(" ");
+
+
+ if (fc.getReturnTemp()!=null)
+ output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
+
+ /* Do we need to do virtual dispatch? */
+ if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
+ //no
+ if (state.DSM||state.SINGLETM) {
+ LocalityBinding fclb=locality.getBinding(lb, fc);
+ output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
+ } else {
+ output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
+ }
+ } else {
+ //yes
+ output.print("((");
+ if (md.getReturnType().isClass()||md.getReturnType().isArray())
+ output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
+ else
+ output.print(md.getReturnType().getSafeSymbol()+" ");
+ output.print("(*)(");
+
+ boolean printcomma=false;
+ if (GENERATEPRECISEGC) {
+ if (state.DSM||state.SINGLETM) {
+ LocalityBinding fclb=locality.getBinding(lb, fc);
+ output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
+ } else
+ output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
+ printcomma=true;
+ }
+
+ for(int i=0; i<objectparams.numPrimitives(); i++) {
+ TempDescriptor temp=objectparams.getPrimitive(i);
+ if (printcomma)
+ output.print(", ");
+ printcomma=true;
+ if (temp.getType().isClass()||temp.getType().isArray())
+ output.print("struct " + temp.getType().getSafeSymbol()+" * ");
+ else
+ output.print(temp.getType().getSafeSymbol());
+ }
- output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
+
+ if (state.DSM||state.SINGLETM) {
+ LocalityBinding fclb=locality.getBinding(lb, fc);
+ output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
+ } else
+ output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
}
- private void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
- //TODO: need dynamic check to make sure this assignment is actually legal
- //Because Object[] could actually be something more specific...ie. Integer[]
+ output.print("(");
+ boolean needcomma=false;
+ if (GENERATEPRECISEGC) {
+ output.print("&__parameterlist__");
+ needcomma=true;
+ }
- TypeDescriptor elementtype=fsen.getDst().getType().dereference();
- String type="";
+ if (!GENERATEPRECISEGC) {
+ if (fc.getThis()!=null) {
+ TypeDescriptor ptd=md.getThis().getType();
+ if (needcomma)
+ output.print(",");
+ if (ptd.isClass()&&!ptd.isArray())
+ output.print("(struct "+ptd.getSafeSymbol()+" *) ");
+ output.print(generateTemp(fm,fc.getThis(),lb));
+ needcomma=true;
+ }
+ }
- if (elementtype.isArray()||elementtype.isClass())
- type="void *";
- else
- type=elementtype.getSafeSymbol()+" ";
+ for(int i=0; i<fc.numArgs(); i++) {
+ Descriptor var=md.getParameter(i);
+ TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
+ if (objectparams.isParamPrim(paramtemp)) {
+ TempDescriptor targ=fc.getArg(i);
+ if (needcomma)
+ output.print(", ");
+
+ TypeDescriptor ptd=md.getParamType(i);
+ if (ptd.isClass()&&!ptd.isArray())
+ output.print("(struct "+ptd.getSafeSymbol()+" *) ");
+ output.print(generateTemp(fm, targ,lb));
+ needcomma=true;
+ }
+ }
+ output.println(");");
+ output.println(" }");
+ }
+
+ private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
+ Set subclasses=typeutil.getSubClasses(thiscd);
+ if (subclasses==null)
+ return true;
+ for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
+ ClassDescriptor cd=(ClassDescriptor)classit.next();
+ Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
+ for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
+ MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
+ if (md.matches(matchmd))
+ return false;
+ }
+ }
+ return true;
+ }
+
+ private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
+ if (state.SINGLETM) {
+ //single machine transactional memory case
+ String field=ffn.getField().getSafeSymbol();
+ String src=generateTemp(fm, ffn.getSrc(),lb);
+ String dst=generateTemp(fm, ffn.getDst(),lb);
+
+ output.println(dst+"="+ src +"->"+field+ ";");
+ if (ffn.getField().getType().isPtr()) {
+ output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
+ }
+ } else if (state.DSM) {
+ Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
+ if (status==LocalityAnalysis.GLOBAL) {
+ String field=ffn.getField().getSafeSymbol();
+ String src=generateTemp(fm, ffn.getSrc(),lb);
+ String dst=generateTemp(fm, ffn.getDst(),lb);
+
+ if (ffn.getField().getType().isPtr()) {
+
+ //TODO: Uncomment this when we have runtime support
+ //if (ffn.getSrc()==ffn.getDst()) {
+ //output.println("{");
+ //output.println("void * temp="+src+";");
+ //output.println("if (temp&0x1) {");
+ //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
+ //output.println(src+"->"+field+"="+temp+";");
+ //output.println("}");
+ //output.println(dst+"=temp;");
+ //output.println("}");
+ //} else {
+ output.println(dst+"="+ src +"->"+field+ ";");
+ //output.println("if ("+dst+"&0x1) {");
+ output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
+ //output.println(src+"->"+field+"="+src+"->"+field+";");
+ //output.println("}");
+ //}
+ } else {
+ output.println(dst+"="+ src+"->"+field+";");
+ }
+ } else if (status==LocalityAnalysis.LOCAL) {
+ if (ffn.getField().getType().isPtr()&&
+ ffn.getField().isGlobal()) {
+ String field=ffn.getField().getSafeSymbol();
+ String src=generateTemp(fm, ffn.getSrc(),lb);
+ String dst=generateTemp(fm, ffn.getDst(),lb);
+ output.println(dst+"="+ src +"->"+field+ ";");
+ if (locality.getAtomic(lb).get(ffn).intValue()>0)
+ output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
+ } else
+ output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
+ } else if (status==LocalityAnalysis.EITHER) {
+ //Code is reading from a null pointer
+ output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
+ output.println("#ifndef RAW");
+ output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
+ output.println("#endif");
+ //This should throw a suitable null pointer error
+ output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
+ } else
+ throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
+ } else
+ output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
+ }
+
+
+ private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
+ if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
+ throw new Error("Can't set array length");
+ if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
+ //Single Machine Transaction Case
+ boolean srcptr=fsfn.getSrc().getType().isPtr();
+ String src=generateTemp(fm,fsfn.getSrc(),lb);
+ String dst=generateTemp(fm,fsfn.getDst(),lb);
+ if (srcptr) {
+ output.println("{");
+ output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
+ }
+ if (wb.needBarrier(fsfn))
+ output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
+ if (srcptr) {
+ output.println("*((unsigned int *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
+ output.println("}");
+ } else {
+ output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
+ }
+ } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
+ Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
+ Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
+ boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
+
+ String src=generateTemp(fm,fsfn.getSrc(),lb);
+ String dst=generateTemp(fm,fsfn.getDst(),lb);
+ if (srcglobal) {
+ output.println("{");
+ output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
+ }
+ if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
+ String glbdst=dst;
+ //mark it dirty
+ if (wb.needBarrier(fsfn))
+ output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
+ if (srcglobal) {
+ output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
+ } else
+ output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
+ } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
+ /** Check if we need to copy */
+ output.println("if(!"+dst+"->"+localcopystr+") {");
+ /* Link object into list */
+ String revertptr=generateTemp(fm, reverttable.get(lb),lb);
+ output.println(revertptr+"=revertlist;");
+ if (GENERATEPRECISEGC)
+ output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
+ else
+ output.println("COPY_OBJ("+dst+");");
+ output.println(dst+"->"+nextobjstr+"="+revertptr+";");
+ output.println("revertlist=(struct ___Object___ *)"+dst+";");
+ output.println("}");
+ if (srcglobal)
+ output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
+ else
+ output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
+ } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
+ //writing to a null...bad
+ output.println("if ("+dst+") {");
+ output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
+ if (srcglobal)
+ output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
+ else
+ output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
+ }
+ if (srcglobal) {
+ output.println("}");
+ }
+ } else {
+ if (state.FASTCHECK) {
+ String dst=generateTemp(fm, fsfn.getDst(),lb);
+ output.println("if(!"+dst+"->"+localcopystr+") {");
+ /* Link object into list */
+ if (GENERATEPRECISEGC)
+ output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
+ else
+ output.println("COPY_OBJ("+dst+");");
+ output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
+ output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
+ output.println("}");
+ }
+ output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
+ }
+ }
+
+ private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
+ TypeDescriptor elementtype=fen.getSrc().getType().dereference();
+ String type="";
+
+ if (elementtype.isArray()||elementtype.isClass())
+ type="void *";
+ else
+ type=elementtype.getSafeSymbol()+" ";
- if (fsen.needsBoundsCheck()) {
- output.println("if ("+generateTemp(fm, fsen.getIndex())+"< 0 || "+generateTemp(fm, fsen.getIndex())+" >= "+generateTemp(fm,fsen.getDst()) + "->___length___)");
- output.println("failedboundschk();");
+ if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
+ output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
+ output.println("failedboundschk();");
+ }
+ if (state.SINGLETM) {
+ //Single machine transaction case
+ String dst=generateTemp(fm, fen.getDst(),lb);
+
+ if (elementtype.isPtr()) {
+ output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
+ output.println("TRANSREAD("+dst+", "+dst+");");
+ } else {
+ output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
+ }
+ } else if (state.DSM) {
+ Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
+ if (status==LocalityAnalysis.GLOBAL) {
+ String dst=generateTemp(fm, fen.getDst(),lb);
+
+ if (elementtype.isPtr()) {
+ output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
+ output.println("TRANSREAD("+dst+", "+dst+");");
+ } else {
+ output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
}
+ } else if (status==LocalityAnalysis.LOCAL) {
+ output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
+ } else if (status==LocalityAnalysis.EITHER) {
+ //Code is reading from a null pointer
+ output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
+ output.println("#ifndef RAW");
+ output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
+ output.println("#endif");
+ //This should throw a suitable null pointer error
+ output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
+ } else
+ throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
+ } else {
+ output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
+ }
+ }
+
+ private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
+ //TODO: need dynamic check to make sure this assignment is actually legal
+ //Because Object[] could actually be something more specific...ie. Integer[]
+
+ TypeDescriptor elementtype=fsen.getDst().getType().dereference();
+ String type="";
- output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
+ if (elementtype.isArray()||elementtype.isClass())
+ type="void *";
+ else
+ type=elementtype.getSafeSymbol()+" ";
+
+ if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
+ output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
+ output.println("failedboundschk();");
}
- private void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
- if (fn.getType().isArray()) {
- int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
- output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
- } else
- output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
+ if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
+ //Transaction set element case
+ if (wb.needBarrier(fsen))
+ output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
+ if (fsen.getSrc().getType().isPtr()) {
+ output.println("{");
+ String src=generateTemp(fm, fsen.getSrc(), lb);
+ output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
+ output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
+ output.println("}");
+ } else {
+ output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
+ }
+ } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
+ Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
+ Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
+ boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
+ boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
+ boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
+
+ if (dstglobal) {
+ if (wb.needBarrier(fsen))
+ output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
+ } else if (dstlocal) {
+ /** Check if we need to copy */
+ String dst=generateTemp(fm, fsen.getDst(),lb);
+ output.println("if(!"+dst+"->"+localcopystr+") {");
+ /* Link object into list */
+ String revertptr=generateTemp(fm, reverttable.get(lb),lb);
+ output.println(revertptr+"=revertlist;");
+ if (GENERATEPRECISEGC)
+ output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
+ else
+ output.println("COPY_OBJ("+dst+");");
+ output.println(dst+"->"+nextobjstr+"="+revertptr+";");
+ output.println("revertlist=(struct ___Object___ *)"+dst+";");
+ output.println("}");
+ } else throw new Error("Unknown array type");
+ if (srcglobal) {
+ output.println("{");
+ String src=generateTemp(fm, fsen.getSrc(), lb);
+ output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
+ output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
+ output.println("}");
+ } else {
+ output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
+ }
+ } else {
+ if (state.FASTCHECK) {
+ String dst=generateTemp(fm, fsen.getDst(),lb);
+ output.println("if(!"+dst+"->"+localcopystr+") {");
+ /* Link object into list */
+ if (GENERATEPRECISEGC)
+ output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
+ else
+ output.println("COPY_OBJ("+dst+");");
+ output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
+ output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
+ output.println("}");
+ }
+ output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
}
+ }
- private void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
+ protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
+ if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
+ //Stash pointer in case of GC
+ String revertptr=generateTemp(fm, reverttable.get(lb),lb);
+ output.println(revertptr+"=revertlist;");
+ }
+ if (state.SINGLETM) {
+ if (fn.getType().isArray()) {
+ int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
+ if (locality.getAtomic(lb).get(fn).intValue()>0) {
+ //inside transaction
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
+ } else {
+ //outside transaction
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
+ }
+ } else {
+ if (locality.getAtomic(lb).get(fn).intValue()>0) {
+ //inside transaction
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
+ } else {
+ //outside transaction
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
+ }
+ }
+ } else if (fn.getType().isArray()) {
+ int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
+ if (fn.isGlobal()) {
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
+ } else if (GENERATEPRECISEGC) {
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
+ } else {
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
+ }
+ } else {
+ if (fn.isGlobal()) {
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
+ } else if (GENERATEPRECISEGC) {
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
+ } else {
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
+ }
+ }
+ if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
+ String revertptr=generateTemp(fm, reverttable.get(lb),lb);
+ String dst=generateTemp(fm,fn.getDst(),lb);
+ output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
+ output.println(dst+"->"+nextobjstr+"="+revertptr+";");
+ output.println("revertlist=(struct ___Object___ *)"+dst+";");
+ }
+ if (state.FASTCHECK) {
+ String dst=generateTemp(fm,fn.getDst(),lb);
+ output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
+ output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
+ output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
+ }
+ }
- if (fon.getRight()!=null)
- output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
- else if (fon.getOp().getOp()==Operation.ASSIGN)
- output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
- else if (fon.getOp().getOp()==Operation.UNARYPLUS)
- output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
- else if (fon.getOp().getOp()==Operation.UNARYMINUS)
- output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
- else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
- output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
+ private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
+ if (GENERATEPRECISEGC) {
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
+ } else {
+ output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
+ }
+ }
+
+ private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
+ if (fon.getRight()!=null) {
+ if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
+ if (fon.getLeft().getType().isLong())
+ output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
else
- output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
- }
-
- private void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
- /* TODO: Do type check here */
- output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
- }
-
- private void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
- if (fln.getValue()==null)
- output.println(generateTemp(fm, fln.getDst())+"=0;");
- else if (fln.getType().getSymbol().equals(TypeUtil.StringClass))
- output.println(generateTemp(fm, fln.getDst())+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
- else if (fln.getType().isBoolean()) {
- if (((Boolean)fln.getValue()).booleanValue())
- output.println(generateTemp(fm, fln.getDst())+"=1;");
- else
- output.println(generateTemp(fm, fln.getDst())+"=0;");
- } else if (fln.getType().isChar()) {
- output.println(generateTemp(fm, fln.getDst())+"='"+fln.getValue()+"';");
+ output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
+
+ } else
+ output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
+ } else if (fon.getOp().getOp()==Operation.ASSIGN)
+ output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
+ else if (fon.getOp().getOp()==Operation.UNARYPLUS)
+ output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
+ else if (fon.getOp().getOp()==Operation.UNARYMINUS)
+ output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
+ else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
+ output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
+ else if (fon.getOp().getOp()==Operation.COMP)
+ output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
+ else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
+ output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
+ } else
+ output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
+ }
+
+ private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
+ /* TODO: Do type check here */
+ if (fcn.getType().isArray()) {
+ throw new Error();
+ } else if (fcn.getType().isClass())
+ output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
+ else
+ output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
+ }
+
+ private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
+ if (fln.getValue()==null)
+ output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
+ else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
+ if (GENERATEPRECISEGC) {
+ if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
+ //Stash pointer in case of GC
+ String revertptr=generateTemp(fm, reverttable.get(lb),lb);
+ output.println(revertptr+"=revertlist;");
+ }
+ output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
+ if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
+ //Stash pointer in case of GC
+ String revertptr=generateTemp(fm, reverttable.get(lb),lb);
+ output.println("revertlist="+revertptr+";");
+ }
+ } else {
+ output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
+ }
+ } else if (fln.getType().isBoolean()) {
+ if (((Boolean)fln.getValue()).booleanValue())
+ output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
+ else
+ output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
+ } else if (fln.getType().isChar()) {
+ String st=FlatLiteralNode.escapeString(fln.getValue().toString());
+ output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
+ } else if (fln.getType().isLong()) {
+ output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
+ } else
+ output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
+ }
+
+ protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
+ if (frn.getReturnTemp()!=null) {
+ if (frn.getReturnTemp().getType().isPtr())
+ output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
+ else
+ output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
+ } else {
+ output.println("return;");
+ }
+ }
+
+ protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
+ output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
+ }
+
+ /** This method generates header information for the method or
+ * task referenced by the Descriptor des. */
+
+ private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
+ /* Print header */
+ ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
+ MethodDescriptor md=null;
+ TaskDescriptor task=null;
+ if (des instanceof MethodDescriptor)
+ md=(MethodDescriptor) des;
+ else
+ task=(TaskDescriptor) des;
+
+ ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
+
+ if (md!=null&&md.getReturnType()!=null) {
+ if (md.getReturnType().isClass()||md.getReturnType().isArray())
+ output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
+ else
+ output.print(md.getReturnType().getSafeSymbol()+" ");
+ } else
+ //catch the constructor case
+ output.print("void ");
+ if (md!=null) {
+ if (state.DSM||state.SINGLETM) {
+ output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
+ } else
+ output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
+ } else
+ output.print(task.getSafeSymbol()+"(");
+
+ boolean printcomma=false;
+ if (GENERATEPRECISEGC) {
+ if (md!=null) {
+ if (state.DSM||state.SINGLETM) {
+ output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
} else
- output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
+ output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
+ } else
+ output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
+ printcomma=true;
}
- private void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
- if (frn.getReturnTemp()!=null)
- output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
+ if (md!=null) {
+ /* Method */
+ for(int i=0; i<objectparams.numPrimitives(); i++) {
+ TempDescriptor temp=objectparams.getPrimitive(i);
+ if (printcomma)
+ output.print(", ");
+ printcomma=true;
+ if (temp.getType().isClass()||temp.getType().isArray())
+ output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
else
- output.println("return;");
+ output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
+ }
+ output.println(") {");
+ } else if (!GENERATEPRECISEGC) {
+ /* Imprecise Task */
+ output.println("void * parameterarray[]) {");
+ /* Unpack variables */
+ for(int i=0; i<objectparams.numPrimitives(); i++) {
+ TempDescriptor temp=objectparams.getPrimitive(i);
+ output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
+ }
+ for(int i=0; i<fm.numTags(); i++) {
+ TempDescriptor temp=fm.getTag(i);
+ int offset=i+objectparams.numPrimitives();
+ output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
+ }
+
+ if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
+ maxtaskparams=objectparams.numPrimitives()+fm.numTags();
+ } else output.println(") {");
+ }
+
+ public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
+ output.println("/* FlatFlagActionNode */");
+
+
+ /* Process tag changes */
+ Relation tagsettable=new Relation();
+ Relation tagcleartable=new Relation();
+
+ Iterator tagsit=ffan.getTempTagPairs();
+ while (tagsit.hasNext()) {
+ TempTagPair ttp=(TempTagPair) tagsit.next();
+ TempDescriptor objtmp=ttp.getTemp();
+ TagDescriptor tag=ttp.getTag();
+ TempDescriptor tagtmp=ttp.getTagTemp();
+ boolean tagstatus=ffan.getTagChange(ttp);
+ if (tagstatus) {
+ tagsettable.put(objtmp, tagtmp);
+ } else {
+ tagcleartable.put(objtmp, tagtmp);
+ }
}
- private void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
- output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
+
+ Hashtable flagandtable=new Hashtable();
+ Hashtable flagortable=new Hashtable();
+
+ /* Process flag changes */
+ Iterator flagsit=ffan.getTempFlagPairs();
+ while(flagsit.hasNext()) {
+ TempFlagPair tfp=(TempFlagPair)flagsit.next();
+ TempDescriptor temp=tfp.getTemp();
+ Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
+ FlagDescriptor flag=tfp.getFlag();
+ if (flag==null) {
+ //Newly allocate objects that don't set any flags case
+ if (flagortable.containsKey(temp)) {
+ throw new Error();
+ }
+ int mask=0;
+ flagortable.put(temp,new Integer(mask));
+ } else {
+ int flagid=1<<((Integer)flagtable.get(flag)).intValue();
+ boolean flagstatus=ffan.getFlagChange(tfp);
+ if (flagstatus) {
+ int mask=0;
+ if (flagortable.containsKey(temp)) {
+ mask=((Integer)flagortable.get(temp)).intValue();
+ }
+ mask|=flagid;
+ flagortable.put(temp,new Integer(mask));
+ } else {
+ int mask=0xFFFFFFFF;
+ if (flagandtable.containsKey(temp)) {
+ mask=((Integer)flagandtable.get(temp)).intValue();
+ }
+ mask&=(0xFFFFFFFF^flagid);
+ flagandtable.put(temp,new Integer(mask));
+ }
+ }
}
- private void generateHeader(Descriptor des, PrintWriter output) {
- /* Print header */
- ParamsObject objectparams=(ParamsObject)paramstable.get(des);
- MethodDescriptor md=null;
- TaskDescriptor task=null;
- if (des instanceof MethodDescriptor)
- md=(MethodDescriptor) des;
- else
- task=(TaskDescriptor) des;
-
- ClassDescriptor cn=md!=null?md.getClassDesc():null;
-
- if (md!=null&&md.getReturnType()!=null) {
- if (md.getReturnType().isClass()||md.getReturnType().isArray())
- output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
- else
- output.print(md.getReturnType().getSafeSymbol()+" ");
- } else
- //catch the constructor case
- output.print("void ");
- if (md!=null)
- output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
- else
- output.print(task.getSafeSymbol()+"(");
-
- boolean printcomma=false;
- if (GENERATEPRECISEGC) {
- if (md!=null)
- output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
- else
- output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
- printcomma=true;
- }
-
- for(int i=0;i<objectparams.numPrimitives();i++) {
- TempDescriptor temp=objectparams.getPrimitive(i);
- if (printcomma)
- output.print(", ");
- printcomma=true;
- if (temp.getType().isClass()||temp.getType().isArray())
- output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
- else
- output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
- }
- output.print(")");
- }
-
- public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffann, PrintWriter output) {
- output.print("/* FlatFlagActionNode will go here */");
+
+ HashSet flagtagset=new HashSet();
+ flagtagset.addAll(flagortable.keySet());
+ flagtagset.addAll(flagandtable.keySet());
+ flagtagset.addAll(tagsettable.keySet());
+ flagtagset.addAll(tagcleartable.keySet());
+
+ Iterator ftit=flagtagset.iterator();
+ while(ftit.hasNext()) {
+ TempDescriptor temp=(TempDescriptor)ftit.next();
+
+
+ Set tagtmps=tagcleartable.get(temp);
+ if (tagtmps!=null) {
+ Iterator tagit=tagtmps.iterator();
+ while(tagit.hasNext()) {
+ TempDescriptor tagtmp=(TempDescriptor)tagit.next();
+ if (GENERATEPRECISEGC)
+ output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
+ else
+ output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
+ }
+ }
+
+ tagtmps=tagsettable.get(temp);
+ if (tagtmps!=null) {
+ Iterator tagit=tagtmps.iterator();
+ while(tagit.hasNext()) {
+ TempDescriptor tagtmp=(TempDescriptor)tagit.next();
+ if (GENERATEPRECISEGC)
+ output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
+ else
+ output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
+ }
+ }
+
+ int ormask=0;
+ int andmask=0xFFFFFFF;
+
+ if (flagortable.containsKey(temp))
+ ormask=((Integer)flagortable.get(temp)).intValue();
+ if (flagandtable.containsKey(temp))
+ andmask=((Integer)flagandtable.get(temp)).intValue();
+ generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
+ generateObjectDistribute(ffan, fm, lb, temp, output);
+ }
+ }
+
+ protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
+ PrintWriter output, int ormask, int andmask) {
+ if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
+ output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
+ } else {
+ output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
+ }
+ }
+
+ protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
+ output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
+ }
+
+ void generateOptionalHeader(PrintWriter headers) {
+
+ //GENERATE HEADERS
+ headers.println("#include \"task.h\"\n\n");
+ headers.println("#ifndef _OPTIONAL_STRUCT_");
+ headers.println("#define _OPTIONAL_STRUCT_");
+
+ //STRUCT PREDICATEMEMBER
+ headers.println("struct predicatemember{");
+ headers.println("int type;");
+ headers.println("int numdnfterms;");
+ headers.println("int * flags;");
+ headers.println("int numtags;");
+ headers.println("int * tags;\n};\n\n");
+
+ //STRUCT OPTIONALTASKDESCRIPTOR
+ headers.println("struct optionaltaskdescriptor{");
+ headers.println("struct taskdescriptor * task;");
+ headers.println("int index;");
+ headers.println("int numenterflags;");
+ headers.println("int * enterflags;");
+ headers.println("int numpredicatemembers;");
+ headers.println("struct predicatemember ** predicatememberarray;");
+ headers.println("};\n\n");
+
+ //STRUCT TASKFAILURE
+ headers.println("struct taskfailure {");
+ headers.println("struct taskdescriptor * task;");
+ headers.println("int index;");
+ headers.println("int numoptionaltaskdescriptors;");
+ headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
+
+ //STRUCT FSANALYSISWRAPPER
+ headers.println("struct fsanalysiswrapper{");
+ headers.println("int flags;");
+ headers.println("int numtags;");
+ headers.println("int * tags;");
+ headers.println("int numtaskfailures;");
+ headers.println("struct taskfailure ** taskfailurearray;");
+ headers.println("int numoptionaltaskdescriptors;");
+ headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
+
+ //STRUCT CLASSANALYSISWRAPPER
+ headers.println("struct classanalysiswrapper{");
+ headers.println("int type;");
+ headers.println("int numotd;");
+ headers.println("struct optionaltaskdescriptor ** otdarray;");
+ headers.println("int numfsanalysiswrappers;");
+ headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
+
+ headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
+
+ Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
+ while(taskit.hasNext()) {
+ TaskDescriptor td=(TaskDescriptor)taskit.next();
+ headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
+ }
+
+ }
+
+ //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
+ int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
+ int predicateindex = 0;
+ //iterate through the classes concerned by the predicate
+ Set c_vard = predicate.vardescriptors;
+ Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
+ int current_slot=0;
+
+ for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
+ VarDescriptor vard = (VarDescriptor)vard_it.next();
+ TypeDescriptor typed = vard.getType();
+
+ //generate for flags
+ HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
+ output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
+ int numberterms=0;
+ if (fen_hashset!=null) {
+ for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
+ FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
+ if (fen!=null) {
+ DNFFlag dflag=fen.getDNF();
+ numberterms+=dflag.size();
+
+ Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
+
+ for(int j=0; j<dflag.size(); j++) {
+ if (j!=0)
+ output.println(",");
+ Vector term=dflag.get(j);
+ int andmask=0;
+ int checkmask=0;
+ for(int k=0; k<term.size(); k++) {
+ DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
+ FlagDescriptor fd=dfa.getFlag();
+ boolean negated=dfa.getNegated();
+ int flagid=1<<((Integer)flags.get(fd)).intValue();
+ andmask|=flagid;
+ if (!negated)
+ checkmask|=flagid;
+ }
+ output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
+ }
+ }
+ }
+ }
+ output.println("};\n");
+
+ //generate for tags
+ TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
+ output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
+ int numtags = 0;
+ if (tagel!=null) {
+ for(int j=0; j<tagel.numTags(); j++) {
+ if (j!=0)
+ output.println(",");
+ TempDescriptor tmp=tagel.getTemp(j);
+ if (!slotnumber.containsKey(tmp)) {
+ Integer slotint=new Integer(current_slot++);
+ slotnumber.put(tmp,slotint);
+ }
+ int slot=slotnumber.get(tmp).intValue();
+ output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
+ }
+ numtags = tagel.numTags();
+ }
+ output.println("};");
+
+ //store the result into a predicatemember struct
+ output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
+ output.println("/*type*/"+typed.getClassDesc().getId()+",");
+ output.println("/* number of dnf terms */"+numberterms+",");
+ output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
+ output.println("/* number of tag */"+numtags+",");
+ output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
+ output.println("};\n");
+ predicateindex++;
+ }
+
+
+ //generate an array that stores the entire predicate
+ output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
+ for( int j = 0; j<predicateindex; j++) {
+ if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
+ else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
}
+ output.println("};\n");
+ return predicateindex;
+ }
+
+
+ void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
+ generateOptionalHeader(headers);
+ //GENERATE STRUCTS
+ output.println("#include \"optionalstruct.h\"\n\n");
+ output.println("#include \"stdlib.h\"\n");
+
+ HashSet processedcd = new HashSet();
+ int maxotd=0;
+ Enumeration e = safeexecution.keys();
+ while (e.hasMoreElements()) {
+ int numotd=0;
+ //get the class
+ ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
+ Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
+
+ //Generate the struct of optionals
+ Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
+ numotd = c_otd.size();
+ if(maxotd<numotd) maxotd = numotd;
+ if( !c_otd.isEmpty() ) {
+ for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
+ OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
+
+ //generate the int arrays for the predicate
+ Predicate predicate = otd.predicate;
+ int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
+ TreeSet<Integer> fsset=new TreeSet<Integer>();
+ //iterate through possible FSes corresponding to
+ //the state when entering
+
+ for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
+ FlagState fs = (FlagState)fses.next();
+ int flagid=0;
+ for(Iterator flags = fs.getFlags(); flags.hasNext();) {
+ FlagDescriptor flagd = (FlagDescriptor)flags.next();
+ int id=1<<((Integer)flaginfo.get(flagd)).intValue();
+ flagid|=id;
+ }
+ fsset.add(new Integer(flagid));
+ //tag information not needed because tag
+ //changes are not tolerated.
+ }
+
+ output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
+ boolean needcomma=false;
+ for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
+ if(needcomma)
+ output.print(", ");
+ output.println(it.next());
+ }
+
+ output.println("};\n");
+
+
+ //generate optionaltaskdescriptor that actually
+ //includes exit fses, predicate and the task
+ //concerned
+ output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
+ output.println("&task_"+otd.td.getSafeSymbol()+",");
+ output.println("/*index*/"+otd.getIndex()+",");
+ output.println("/*number of enter flags*/"+fsset.size()+",");
+ output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
+ output.println("/*number of members */"+predicateindex+",");
+ output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
+ output.println("};\n");
+ }
+ } else
+ continue;
+ // if there are no optionals, there is no need to build the rest of the struct
+
+ output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
+ c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
+ if( !c_otd.isEmpty() ) {
+ boolean needcomma=false;
+ for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
+ OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
+ if(needcomma)
+ output.println(",");
+ needcomma=true;
+ output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
+ }
+ }
+ output.println("};\n");
+
+ //get all the possible flagstates reachable by an object
+ Hashtable hashtbtemp = safeexecution.get(cdtemp);
+ int fscounter = 0;
+ TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
+ fsts.addAll(hashtbtemp.keySet());
+ for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
+ FlagState fs = (FlagState)fsit.next();
+ fscounter++;
+
+ //get the set of OptionalTaskDescriptors corresponding
+ HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
+ //iterate through the OptionalTaskDescriptors and
+ //store the pointers to the optionals struct (see on
+ //top) into an array
+
+ output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
+ for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
+ OptionalTaskDescriptor mm = mos.next();
+ if(!mos.hasNext())
+ output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
+ else
+ output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
+ }
+
+ output.println("};\n");
+
+ //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
+
+ int flagid=0;
+ for(Iterator flags = fs.getFlags(); flags.hasNext();) {
+ FlagDescriptor flagd = (FlagDescriptor)flags.next();
+ int id=1<<((Integer)flaginfo.get(flagd)).intValue();
+ flagid|=id;
+ }
+
+ //process tag information
+
+ int tagcounter = 0;
+ boolean first = true;
+ Enumeration tag_enum = fs.getTags();
+ output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
+ while(tag_enum.hasMoreElements()) {
+ tagcounter++;
+ TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
+ if(first==true)
+ first = false;
+ else
+ output.println(", ");
+ output.println("/*tagid*/"+state.getTagId(tagd));
+ }
+ output.println("};");
+
+ Set<TaskIndex> tiset=sa.getTaskIndex(fs);
+ for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
+ TaskIndex ti=itti.next();
+ if (ti.isRuntime())
+ continue;
+
+ Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
+
+ output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
+ boolean needcomma=false;
+ for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
+ OptionalTaskDescriptor otd=otdit.next();
+ if(needcomma)
+ output.print(", ");
+ needcomma=true;
+ output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
+ }
+ output.println("};");
+
+ output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
+ output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
+ output.print(ti.getIndex()+", ");
+ output.print(otdset.size()+", ");
+ output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
+ output.println("};");
+ }
+
+ tiset=sa.getTaskIndex(fs);
+ boolean needcomma=false;
+ int runtimeti=0;
+ output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
+ for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
+ TaskIndex ti=itti.next();
+ if (ti.isRuntime()) {
+ runtimeti++;
+ continue;
+ }
+ if (needcomma)
+ output.print(", ");
+ needcomma=true;
+ output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
+ }
+ output.println("};\n");
+
+ //Store the result in fsanalysiswrapper
+
+ output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
+ output.println("/*flag*/"+flagid+",");
+ output.println("/* number of tags*/"+tagcounter+",");
+ output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
+ output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
+ output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
+ output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
+ output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
+ output.println("};\n");
+
+ }
+
+ //Build the array of fsanalysiswrappers
+ output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
+ boolean needcomma=false;
+ for(int i = 0; i<fscounter; i++) {
+ if (needcomma) output.print(",");
+ output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
+ needcomma=true;
+ }
+ output.println("};");
+
+ //Build the classanalysiswrapper referring to the previous array
+ output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
+ output.println("/*type*/"+cdtemp.getId()+",");
+ output.println("/*numotd*/"+numotd+",");
+ output.println("otdarray"+cdtemp.getSafeSymbol()+",");
+ output.println("/* number of fsanalysiswrappers */"+fscounter+",");
+ output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
+ processedcd.add(cdtemp);
+ }
+
+ //build an array containing every classes for which code has been build
+ output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
+ for(int i=0; i<state.numClasses(); i++) {
+ ClassDescriptor cn=cdarray[i];
+ if (i>0)
+ output.print(", ");
+ if (processedcd.contains(cn))
+ output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
+ else
+ output.print("NULL");
+ }
+ output.println("};");
+
+ output.println("#define MAXOTD "+maxotd);
+ headers.println("#endif");
+ }
+
+ public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
+ Relation r=new Relation();
+ for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
+ OptionalTaskDescriptor otd=otdit.next();
+ TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
+ r.put(ti, otd);
+ }
+
+ LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
+ for(Iterator it=r.keySet().iterator(); it.hasNext();) {
+ Set s=r.get(it.next());
+ for(Iterator it2=s.iterator(); it2.hasNext();) {
+ OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
+ l.add(otd);
+ }
+ }
+
+ return l;
+ }
+
+ protected void outputTransCode(PrintWriter output) {
+ }
}
+
+
+
+
+
+