hotspot/src/share/vm/shark/llvmValue.hpp
author coleenp
Mon, 14 Jan 2013 11:01:39 -0500
changeset 15194 a35093d73168
parent 14622 8e94e4186d35
permissions -rw-r--r--
8006005: Fix constant pool index validation and alignment trap for method parameter reflection Summary: This patch addresses an alignment trap due to the storage format of method parameters data in constMethod. It also adds code to validate constant pool indexes for method parameters data. Reviewed-by: jrose, dholmes Contributed-by: eric.mccorkle@oracle.com
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/*
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 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
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 * Copyright 2008, 2009 Red Hat, Inc.
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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_SHARK_LLVMVALUE_HPP
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#define SHARE_VM_SHARK_LLVMVALUE_HPP
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#include "shark/llvmHeaders.hpp"
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#include "shark/sharkContext.hpp"
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#include "shark/sharkType.hpp"
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class LLVMValue : public AllStatic {
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 public:
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  static llvm::ConstantInt* jbyte_constant(jbyte value)
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  {
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    return llvm::ConstantInt::get(SharkType::jbyte_type(), value, true);
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  }
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  static llvm::ConstantInt* jint_constant(jint value)
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  {
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    return llvm::ConstantInt::get(SharkType::jint_type(), value, true);
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  }
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  static llvm::ConstantInt* jlong_constant(jlong value)
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  {
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    return llvm::ConstantInt::get(SharkType::jlong_type(), value, true);
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  }
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  static llvm::ConstantFP* jfloat_constant(jfloat value)
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  {
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    return llvm::ConstantFP::get(SharkContext::current(), llvm::APFloat(value));
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  }
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  static llvm::ConstantFP* jdouble_constant(jdouble value)
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  {
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    return llvm::ConstantFP::get(SharkContext::current(), llvm::APFloat(value));
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  }
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  static llvm::ConstantPointerNull* null()
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  {
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    return llvm::ConstantPointerNull::get(SharkType::oop_type());
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  }
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  static llvm::ConstantPointerNull* nullKlass()
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  {
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    return llvm::ConstantPointerNull::get(SharkType::klass_type());
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  }
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 public:
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  static llvm::ConstantInt* bit_constant(int value)
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  {
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    return llvm::ConstantInt::get(SharkType::bit_type(), value, false);
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  }
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  static llvm::ConstantInt* intptr_constant(intptr_t value)
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  {
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    return llvm::ConstantInt::get(SharkType::intptr_type(), value, false);
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  }
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};
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#endif // SHARE_VM_SHARK_LLVMVALUE_HPP