java-stack.h (ncodeMap): Declare.

* include/java-stack.h (ncodeMap): Declare.
        (_Jv_StackTrace): Make _Jv_GetMethodDeclaringClass friend.
        * java/lang/Class.h (_Jv_GetMethodDeclaringClass): Declare.
        * java/lang/natClass.cc (_Jv_GetMethodDeclaringClass): New
        function.
        * stacktrace.cc (ncodeMap): Redefine from file global to global
        for class _Jv_StackTrace.
        (_Jv_StackTrace::UpdateNCodeMap): Add interpreted classes, too,
        so that _Jv_GetMethodDeclaringClass can find them all.
        (_Jv_StackTrace::ClassForFrame): Exclude interpreted classes.
        * jvmti.cc (_Jv_JVMTI_GetMethodDeclaringClass): New function.
        (_Jv_JVMTI_Interface): Define GetMethodDeclaringClass function.

From-SVN: r118100

libjava/include/java-stack.h

@@ -23,6 +23,7 @@ details.  */
 #include <java/lang/StackTraceElement.h>
 #include <java/lang/Throwable.h>
 #include <java/lang/Thread.h>
+#include <java/util/IdentityHashMap.h>
 
 #include <gnu/gcj/runtime/NameFinder.h>
 
@@ -102,6 +103,7 @@ private:
   int length;
   _Jv_StackFrame frames[];
 
+  static java::util::IdentityHashMap *ncodeMap;
   static void UpdateNCodeMap ();
   static jclass ClassForFrame (_Jv_StackFrame *frame);
   static void FillInFrameInfo (_Jv_StackFrame *frame);
@@ -126,7 +128,8 @@ public:
   static JArray<jclass> *GetClassContext (jclass checkClass);
   static ClassLoader *GetFirstNonSystemClassLoader (void);
   static jobjectArray GetAccessControlStack ();
-  
+
+  friend jclass _Jv_GetMethodDeclaringClass (jmethodID);
 };
 
 // Information about a given address.