1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_COMPILER_JNI_QUICK_X86_64_CALLING_CONVENTION_X86_64_H_ 18 #define ART_COMPILER_JNI_QUICK_X86_64_CALLING_CONVENTION_X86_64_H_ 19 20 #include "base/enums.h" 21 #include "jni/quick/calling_convention.h" 22 23 namespace art { 24 namespace x86_64 { 25 26 class X86_64ManagedRuntimeCallingConvention FINAL : public ManagedRuntimeCallingConvention { 27 public: X86_64ManagedRuntimeCallingConvention(bool is_static,bool is_synchronized,const char * shorty)28 X86_64ManagedRuntimeCallingConvention(bool is_static, bool is_synchronized, const char* shorty) 29 : ManagedRuntimeCallingConvention(is_static, 30 is_synchronized, 31 shorty, 32 PointerSize::k64) {} ~X86_64ManagedRuntimeCallingConvention()33 ~X86_64ManagedRuntimeCallingConvention() OVERRIDE {} 34 // Calling convention 35 ManagedRegister ReturnRegister() OVERRIDE; 36 ManagedRegister InterproceduralScratchRegister() OVERRIDE; 37 // Managed runtime calling convention 38 ManagedRegister MethodRegister() OVERRIDE; 39 bool IsCurrentParamInRegister() OVERRIDE; 40 bool IsCurrentParamOnStack() OVERRIDE; 41 ManagedRegister CurrentParamRegister() OVERRIDE; 42 FrameOffset CurrentParamStackOffset() OVERRIDE; 43 const ManagedRegisterEntrySpills& EntrySpills() OVERRIDE; 44 private: 45 ManagedRegisterEntrySpills entry_spills_; 46 DISALLOW_COPY_AND_ASSIGN(X86_64ManagedRuntimeCallingConvention); 47 }; 48 49 class X86_64JniCallingConvention FINAL : public JniCallingConvention { 50 public: 51 X86_64JniCallingConvention(bool is_static, 52 bool is_synchronized, 53 bool is_critical_native, 54 const char* shorty); ~X86_64JniCallingConvention()55 ~X86_64JniCallingConvention() OVERRIDE {} 56 // Calling convention 57 ManagedRegister ReturnRegister() OVERRIDE; 58 ManagedRegister IntReturnRegister() OVERRIDE; 59 ManagedRegister InterproceduralScratchRegister() OVERRIDE; 60 // JNI calling convention 61 size_t FrameSize() OVERRIDE; 62 size_t OutArgSize() OVERRIDE; 63 ArrayRef<const ManagedRegister> CalleeSaveRegisters() const OVERRIDE; 64 ManagedRegister ReturnScratchRegister() const OVERRIDE; 65 uint32_t CoreSpillMask() const OVERRIDE; 66 uint32_t FpSpillMask() const OVERRIDE; 67 bool IsCurrentParamInRegister() OVERRIDE; 68 bool IsCurrentParamOnStack() OVERRIDE; 69 ManagedRegister CurrentParamRegister() OVERRIDE; 70 FrameOffset CurrentParamStackOffset() OVERRIDE; 71 72 // x86-64 needs to extend small return types. RequiresSmallResultTypeExtension()73 bool RequiresSmallResultTypeExtension() const OVERRIDE { 74 return true; 75 } 76 77 protected: 78 size_t NumberOfOutgoingStackArgs() OVERRIDE; 79 80 private: 81 DISALLOW_COPY_AND_ASSIGN(X86_64JniCallingConvention); 82 }; 83 84 } // namespace x86_64 85 } // namespace art 86 87 #endif // ART_COMPILER_JNI_QUICK_X86_64_CALLING_CONVENTION_X86_64_H_ 88