src/hotspot/share/code/compiledMethod.inline.hpp
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
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permissions -rw-r--r--
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/*
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 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_CODE_COMPILEDMETHOD_INLINE_HPP
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#define SHARE_VM_CODE_COMPILEDMETHOD_INLINE_HPP
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#include "code/compiledMethod.hpp"
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#include "code/nativeInst.hpp"
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#include "runtime/frame.hpp"
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// When using JVMCI the address might be off by the size of a call instruction.
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inline bool CompiledMethod::is_deopt_entry(address pc) {
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  return pc == deopt_handler_begin()
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#if INCLUDE_JVMCI
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    || (is_compiled_by_jvmci() && pc == (deopt_handler_begin() + NativeCall::instruction_size))
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#endif
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    ;
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}
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// -----------------------------------------------------------------------------
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// CompiledMethod::get_deopt_original_pc
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//
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// Return the original PC for the given PC if:
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// (a) the given PC belongs to a nmethod and
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// (b) it is a deopt PC
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inline address CompiledMethod::get_deopt_original_pc(const frame* fr) {
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  if (fr->cb() == NULL)  return NULL;
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  CompiledMethod* cm = fr->cb()->as_compiled_method_or_null();
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  if (cm != NULL && cm->is_deopt_pc(fr->pc()))
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    return cm->get_original_pc(fr);
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  return NULL;
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}
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#endif //SHARE_VM_CODE_COMPILEDMETHOD_INLINE_HPP