1.1 --- a/src/share/vm/utilities/nativeCallStack.hpp Wed Sep 19 14:26:01 2018 -0400
1.2 +++ b/src/share/vm/utilities/nativeCallStack.hpp Wed Sep 19 19:48:12 2018 -0400
1.3 @@ -1,5 +1,5 @@
1.4 /*
1.5 - * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
1.7 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 *
1.9 * This code is free software; you can redistribute it and/or modify it
1.10 @@ -51,18 +51,23 @@
1.11 * 2. The class is strict stack object, no heap or virtual memory can be allocated
1.12 * from it.
1.13 */
1.14 +class MemTracker;
1.15 +
1.16 class NativeCallStack : public StackObj {
1.17 - public:
1.18 - static const NativeCallStack EMPTY_STACK;
1.19 + friend class MemTracker;
1.20
1.21 - private:
1.22 +private:
1.23 address _stack[NMT_TrackingStackDepth];
1.24 unsigned int _hash_value;
1.25
1.26 - public:
1.27 + static NativeCallStack EMPTY_STACK;
1.28 +public:
1.29 NativeCallStack(int toSkip = 0, bool fillStack = false);
1.30 NativeCallStack(address* pc, int frameCount);
1.31
1.32 + static inline const NativeCallStack& empty_stack() {
1.33 + return EMPTY_STACK;
1.34 + }
1.35
1.36 // if it is an empty stack
1.37 inline bool is_empty() const {
