* Merged gcj-abi-2-dev-branch to trunk.

(Actual changes too large to list in the commit message;
see ChangeLog.)

From-SVN: r91270

libjava/include/java-stack.h

@@ -0,0 +1,84 @@
+// java-stack.h - Definitions for unwinding & inspecting the call stack.
+
+/* Copyright (C) 2003  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#ifndef __JV_STACKTRACE_H__
+#define __JV_STACKTRACE_H__
+
+#include <unwind.h>
+
+#include <gcj/cni.h>
+#include <gcj/javaprims.h>
+
+#include <java-interp.h>
+
+#include <java/lang/Class.h>
+#include <java/lang/StackTraceElement.h>
+#include <java/lang/Throwable.h>
+
+#include <gnu/gcj/runtime/NameFinder.h>
+
+using namespace gnu::gcj::runtime;
+
+enum _Jv_FrameType
+{
+  frame_native,
+  frame_interpreter
+};
+
+#ifdef INTERPRETER
+struct _Jv_InterpFrameInfo
+{
+  _Jv_InterpMethod *meth;
+  pc_t pc;
+};
+#endif
+
+union _Jv_FrameInfo
+{
+};
+
+struct _Jv_StackFrame
+{
+  _Jv_FrameType type;   /* Native or interpreted.  */
+  union {
+#ifdef INTERPRETER
+    _Jv_InterpFrameInfo interp;
+#endif
+    void *ip;  
+  };
+//  _Jv_FrameInfo info;   /* Frame-type specific data.  */
+  jclass klass;
+  _Jv_Method *meth;
+};
+
+class _Jv_StackTrace
+{
+private:
+  int length;
+  _Jv_StackFrame frames[];
+
+  static void UpdateNCodeMap ();
+  static jclass ClassForIP (void *ip, void **ncode);
+  static void FillInFrameInfo (_Jv_StackFrame *frame);
+  static void getLineNumberForFrame(_Jv_StackFrame *frame, NameFinder *finder, 
+			     jstring *sourceFileName, jint *lineNum);
+  
+  static _Unwind_Reason_Code UnwindTraceFn (struct _Unwind_Context *context, 
+    void *state_ptr);
+
+public:
+  static _Jv_StackTrace *GetStackTrace (void);
+  static JArray< ::java::lang::StackTraceElement *>*
+    GetStackTraceElements (_Jv_StackTrace *trace, 
+    java::lang::Throwable *throwable);
+  static jclass GetCallingClass (void);
+};
+
+#endif /* __JV_STACKTRACE_H__ */