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SystemLinkageLinux.hpp
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SystemLinkageLinux.hpp
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/*******************************************************************************
* Copyright (c) 2000, 2019 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at http://eclipse.org/legal/epl-2.0
* or the Apache License, Version 2.0 which accompanies this distribution
* and is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception [1] and GNU General Public
* License, version 2 with the OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#ifndef OMR_Z_SYSTEMLINKAGELINUX_INCL
#define OMR_Z_SYSTEMLINKAGELINUX_INCL
#include <stdint.h>
#include "codegen/Linkage.hpp"
#include "codegen/LinkageConventionsEnum.hpp"
#include "codegen/RealRegister.hpp"
#include "codegen/Register.hpp"
#include "codegen/SystemLinkage.hpp"
#include "codegen/snippet/PPA1Snippet.hpp"
#include "codegen/snippet/PPA2Snippet.hpp"
#include "cs2/arrayof.h"
#include "env/TRMemory.hpp"
#include "env/jittypes.h"
#include "il/DataTypes.hpp"
#include "il/SymbolReference.hpp"
class TR_EntryPoint;
class TR_zOSGlobalCompilationInfo;
namespace TR { class S390ConstantDataSnippet; }
namespace TR { class S390JNICallDataSnippet; }
namespace TR { class AutomaticSymbol; }
namespace TR { class CodeGenerator; }
namespace TR { class Instruction; }
namespace TR { class LabelSymbol; }
namespace TR { class Node; }
namespace TR { class ParameterSymbol; }
namespace TR { class RegisterDependencyConditions; }
namespace TR { class ResolvedMethodSymbol; }
namespace TR { class Symbol; }
template <class T> class List;
namespace TR {
class S390zLinuxSystemLinkage : public TR::SystemLinkage
{
public:
S390zLinuxSystemLinkage(TR::CodeGenerator* cg);
virtual void createPrologue(TR::Instruction * cursor);
virtual void createEpilogue(TR::Instruction * cursor);
virtual void generateInstructionsForCall(TR::Node * callNode, TR::RegisterDependencyConditions * deps, intptrj_t targetAddress, TR::Register * methodAddressReg, TR::Register * javaLitOffsetReg, TR::LabelSymbol * returnFromJNICallLabel, TR::S390JNICallDataSnippet * jniCallDataSnippet, bool isJNIGCPoint);
virtual TR::Register* callNativeFunction(TR::Node * callNode, TR::RegisterDependencyConditions * dependencies, intptrj_t targetAddress, TR::Register * methodAddressReg, TR::Register * javaLitOffsetReg, TR::LabelSymbol * returnFromJNICallLabel, TR::S390JNICallDataSnippet * jniCallDataSnippet, bool isJNIGCPoint = true);
virtual int32_t getRegisterSaveOffset(TR::RealRegister::RegNum);
virtual void initParamOffset(TR::ResolvedMethodSymbol * method, int32_t stackIndex, List<TR::ParameterSymbol> *parameterList=0);
private:
TR::Instruction* fillGPRsInEpilogue(TR::Node* node, TR::Instruction* cursor);
TR::Instruction* fillFPRsInEpilogue(TR::Node* node, TR::Instruction* cursor);
TR::Instruction* spillGPRsInPrologue(TR::Node* node, TR::Instruction* cursor);
TR::Instruction* spillFPRsInPrologue(TR::Node* node, TR::Instruction* cursor);
};
}
#endif