text: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef ART_COMPILER_JNI_QUICK_X86_64_CALLING_CONVENTION_X86_64_H_
  #define ART_COMPILER_JNI_QUICK_X86_64_CALLING_CONVENTION_X86_64_H_
  
  #include "base/enums.h"
  #include "jni/quick/calling_convention.h"
  
  namespace art {
  namespace x86_64 {
  
  class X86_64ManagedRuntimeCallingConvention FINAL : public ManagedRuntimeCallingConvention {
   public:
    X86_64ManagedRuntimeCallingConvention(bool is_static, bool is_synchronized, const char* shorty)
        : ManagedRuntimeCallingConvention(is_static,
                                          is_synchronized,
                                          shorty,
                                          PointerSize::k64) {}
    ~X86_64ManagedRuntimeCallingConvention() OVERRIDE {}
    // Calling convention
    ManagedRegister ReturnRegister() OVERRIDE;
    ManagedRegister InterproceduralScratchRegister() OVERRIDE;
    // Managed runtime calling convention
    ManagedRegister MethodRegister() OVERRIDE;
    bool IsCurrentParamInRegister() OVERRIDE;
    bool IsCurrentParamOnStack() OVERRIDE;
    ManagedRegister CurrentParamRegister() OVERRIDE;
    FrameOffset CurrentParamStackOffset() OVERRIDE;
    const ManagedRegisterEntrySpills& EntrySpills() OVERRIDE;
   private:
    ManagedRegisterEntrySpills entry_spills_;
    DISALLOW_COPY_AND_ASSIGN(X86_64ManagedRuntimeCallingConvention);
  };
  
  class X86_64JniCallingConvention FINAL : public JniCallingConvention {
   public:
    X86_64JniCallingConvention(bool is_static,
                               bool is_synchronized,
                               bool is_critical_native,
                               const char* shorty);
    ~X86_64JniCallingConvention() OVERRIDE {}
    // Calling convention
    ManagedRegister ReturnRegister() OVERRIDE;
    ManagedRegister IntReturnRegister() OVERRIDE;
    ManagedRegister InterproceduralScratchRegister() OVERRIDE;
    // JNI calling convention
    size_t FrameSize() OVERRIDE;
    size_t OutArgSize() OVERRIDE;
    ArrayRef<const ManagedRegister> CalleeSaveRegisters() const OVERRIDE;
    ManagedRegister ReturnScratchRegister() const OVERRIDE;
    uint32_t CoreSpillMask() const OVERRIDE;
    uint32_t FpSpillMask() const OVERRIDE;
    bool IsCurrentParamInRegister() OVERRIDE;
    bool IsCurrentParamOnStack() OVERRIDE;
    ManagedRegister CurrentParamRegister() OVERRIDE;
    FrameOffset CurrentParamStackOffset() OVERRIDE;
  
    // x86-64 needs to extend small return types.
    bool RequiresSmallResultTypeExtension() const OVERRIDE {
      return true;
    }
  
   protected:
    size_t NumberOfOutgoingStackArgs() OVERRIDE;
  
   private:
    DISALLOW_COPY_AND_ASSIGN(X86_64JniCallingConvention);
  };
  
  }  // namespace x86_64
  }  // namespace art
  
  #endif  // ART_COMPILER_JNI_QUICK_X86_64_CALLING_CONVENTION_X86_64_H_
  