Mercurial > hg > graal-compiler
view src/share/vm/runtime/rframe.hpp @ 5934:61b82be3b1ff
7152957: VM crashes with assert(false) failed: bad AD file
Reviewed-by: kvn, never
Contributed-by: nils.eliasson@oracle.com
author | never |
---|---|
date | Mon, 12 Mar 2012 15:28:07 -0700 |
parents | f95d63e2154a |
children | da91efe96a93 |
line wrap: on
line source
/* * Copyright (c) 1997, 2010, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_RUNTIME_RFRAME_HPP #define SHARE_VM_RUNTIME_RFRAME_HPP #include "memory/allocation.hpp" #include "runtime/frame.inline.hpp" // rframes ("recompiler frames") decorate stack frames with some extra information // needed by the recompiler. The recompiler views the stack (at the time of recompilation) // as a list of rframes. class RFrame : public ResourceObj { protected: const frame _fr; // my frame JavaThread* const _thread; // thread where frame resides. RFrame* _caller; // caller / callee rframes (or NULL) RFrame*const _callee; const int _num; // stack frame number (0 = most recent) int _invocations; // current invocation estimate (for this frame) // (i.e., how often was this frame called) int _distance; // recompilation search "distance" (measured in # of interpreted frames) RFrame(frame fr, JavaThread* thread, RFrame*const callee); virtual void init() = 0; // compute invocations, loopDepth, etc. void print(const char* name); public: static RFrame* new_RFrame(frame fr, JavaThread* thread, RFrame*const callee); virtual bool is_interpreted() const { return false; } virtual bool is_compiled() const { return false; } int distance() const { return _distance; } void set_distance(int d); int invocations() const { return _invocations; } int num() const { return _num; } frame fr() const { return _fr; } JavaThread* thread() const { return _thread; } virtual int cost() const = 0; // estimated inlining cost (size) virtual methodHandle top_method() const = 0; virtual javaVFrame* top_vframe() const = 0; virtual nmethod* nm() const { ShouldNotCallThis(); return NULL; } RFrame* caller(); RFrame* callee() const { return _callee; } RFrame* parent() const; // rframe containing lexical scope (if any) virtual void print() = 0; static int computeSends(methodOop m); static int computeSends(nmethod* nm); static int computeCumulSends(methodOop m); static int computeCumulSends(nmethod* nm); }; class CompiledRFrame : public RFrame { // frame containing a compiled method protected: nmethod* _nm; javaVFrame* _vf; // top vframe; may be NULL (for most recent frame) methodHandle _method; // top method CompiledRFrame(frame fr, JavaThread* thread, RFrame*const callee); void init(); friend class RFrame; public: CompiledRFrame(frame fr, JavaThread* thread); // for nmethod triggering its counter (callee == NULL) bool is_compiled() const { return true; } methodHandle top_method() const { return _method; } javaVFrame* top_vframe() const { return _vf; } nmethod* nm() const { return _nm; } int cost() const; void print(); }; class InterpretedRFrame : public RFrame { // interpreter frame protected: javaVFrame* _vf; // may be NULL (for most recent frame) methodHandle _method; InterpretedRFrame(frame fr, JavaThread* thread, RFrame*const callee); void init(); friend class RFrame; public: InterpretedRFrame(frame fr, JavaThread* thread, methodHandle m); // constructor for method triggering its invocation counter bool is_interpreted() const { return true; } methodHandle top_method() const { return _method; } javaVFrame* top_vframe() const { return _vf; } int cost() const; void print(); }; // treat deoptimized frames as interpreted class DeoptimizedRFrame : public InterpretedRFrame { protected: DeoptimizedRFrame(frame fr, JavaThread* thread, RFrame*const callee); friend class RFrame; public: void print(); }; #endif // SHARE_VM_RUNTIME_RFRAME_HPP