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7120448: Fix FP values for compiled frames in frame::describe

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Fix for debug method frame::describe

Reviewed-by: never, kvn
This commit is contained in:
Bertrand Delsart 2012-01-18 16:18:31 +01:00
parent b9cba282ee
commit b11b6e4dda
6 changed files with 47 additions and 16 deletions
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11
hotspot/src/share/vm/runtime/frame.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -221,6 +221,15 @@ class frame VALUE_OBJ_CLASS_SPEC {
// returns the stack pointer of the calling frame
intptr_t* sender_sp() const;
// Returns the real 'frame pointer' for the current frame.
// This is the value expected by the platform ABI when it defines a
// frame pointer register. It may differ from the effective value of
// the FP register when that register is used in the JVM for other
// purposes (like compiled frames on some platforms).
// On other platforms, it is defined so that the stack area used by
// this frame goes from real_fp() to sp().
intptr_t* real_fp() const;
// Deoptimization info, if needed (platform dependent).
// Stored in the initial_info field of the unroll info, to be used by
// the platform dependent deoptimization blobs.