12faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes/* 22faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Copyright (C) 2011 The Android Open Source Project 32faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 42faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 52faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * you may not use this file except in compliance with the License. 62faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * You may obtain a copy of the License at 72faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 82faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 92faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 102faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Unless required by applicable law or agreed to in writing, software 112faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 122faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * See the License for the specific language governing permissions and 142faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * limitations under the License. 152faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes */ 162c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers 17fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#ifndef ART_COMPILER_JNI_QUICK_ARM_CALLING_CONVENTION_ARM_H_ 18fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#define ART_COMPILER_JNI_QUICK_ARM_CALLING_CONVENTION_ARM_H_ 192c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers 207940e44f4517de5e2634a7e07d58d0fb26160513Brian Carlstrom#include "jni/quick/calling_convention.h" 212c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers 222c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogersnamespace art { 232c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogersnamespace arm { 242c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers 25790a6b7312979513710c366b411ba6791ddf78c2Ian Rogersconstexpr size_t kFramePointerSize = 4; 26790a6b7312979513710c366b411ba6791ddf78c2Ian Rogers 2725ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampeclass ArmManagedRuntimeCallingConvention FINAL : public ManagedRuntimeCallingConvention { 282c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers public: 29ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers ArmManagedRuntimeCallingConvention(bool is_static, bool is_synchronized, const char* shorty) 30790a6b7312979513710c366b411ba6791ddf78c2Ian Rogers : ManagedRuntimeCallingConvention(is_static, is_synchronized, shorty, kFramePointerSize) {} 3125ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ~ArmManagedRuntimeCallingConvention() OVERRIDE {} 322c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers // Calling convention 3325ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ManagedRegister ReturnRegister() OVERRIDE; 3425ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ManagedRegister InterproceduralScratchRegister() OVERRIDE; 352c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers // Managed runtime calling convention 3625ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ManagedRegister MethodRegister() OVERRIDE; 3725ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe bool IsCurrentParamInRegister() OVERRIDE; 3825ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe bool IsCurrentParamOnStack() OVERRIDE; 3925ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ManagedRegister CurrentParamRegister() OVERRIDE; 4025ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe FrameOffset CurrentParamStackOffset() OVERRIDE; 41fca82208f7128fcda09b6a4743199308332558a2Dmitry Petrochenko const ManagedRegisterEntrySpills& EntrySpills() OVERRIDE; 4200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 432c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers private: 44fca82208f7128fcda09b6a4743199308332558a2Dmitry Petrochenko ManagedRegisterEntrySpills entry_spills_; 45b5d09b2f87202bc132ac3991d4b6d71f4f6d9264Ian Rogers 462c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers DISALLOW_COPY_AND_ASSIGN(ArmManagedRuntimeCallingConvention); 472c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers}; 482c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers 4925ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampeclass ArmJniCallingConvention FINAL : public JniCallingConvention { 502c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers public: 513887c468d731420e929e6ad3acf190d5431e94fcRoland Levillain ArmJniCallingConvention(bool is_static, bool is_synchronized, const char* shorty); 5225ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ~ArmJniCallingConvention() OVERRIDE {} 532c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers // Calling convention 5425ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ManagedRegister ReturnRegister() OVERRIDE; 5525ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ManagedRegister IntReturnRegister() OVERRIDE; 5625ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ManagedRegister InterproceduralScratchRegister() OVERRIDE; 572c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers // JNI calling convention 5825ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe void Next() OVERRIDE; // Override default behavior for AAPCS 5925ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe size_t FrameSize() OVERRIDE; 6025ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe size_t OutArgSize() OVERRIDE; 6125ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe const std::vector<ManagedRegister>& CalleeSaveRegisters() const OVERRIDE { 62bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers return callee_save_regs_; 63bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers } 6425ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ManagedRegister ReturnScratchRegister() const OVERRIDE; 6525ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe uint32_t CoreSpillMask() const OVERRIDE; 667cde48c56df5b57aed524cce44c902bc720f2d6cSebastien Hertz uint32_t FpSpillMask() const OVERRIDE; 6725ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe bool IsCurrentParamInRegister() OVERRIDE; 6825ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe bool IsCurrentParamOnStack() OVERRIDE; 6925ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe ManagedRegister CurrentParamRegister() OVERRIDE; 7025ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe FrameOffset CurrentParamStackOffset() OVERRIDE; 712c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers 72d1104322e5156669767e8b2c3b843ffaff173381Andreas Gampe // AAPCS mandates return values are extended. 73d1104322e5156669767e8b2c3b843ffaff173381Andreas Gampe bool RequiresSmallResultTypeExtension() const OVERRIDE { 74d1104322e5156669767e8b2c3b843ffaff173381Andreas Gampe return false; 75d1104322e5156669767e8b2c3b843ffaff173381Andreas Gampe } 76d1104322e5156669767e8b2c3b843ffaff173381Andreas Gampe 772c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers protected: 7825ff0048a70c79272884d5d0f8e9b9861a451afeAndreas Gampe size_t NumberOfOutgoingStackArgs() OVERRIDE; 792c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers 802c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers private: 81bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers // TODO: these values aren't unique and can be shared amongst instances 82bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers std::vector<ManagedRegister> callee_save_regs_; 83bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers 8467375acd9fec74cc2054554fe1ed0a7d213e1e47Ian Rogers // Padding to ensure longs and doubles are not split in AAPCS 8567375acd9fec74cc2054554fe1ed0a7d213e1e47Ian Rogers size_t padding_; 8667375acd9fec74cc2054554fe1ed0a7d213e1e47Ian Rogers 872c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers DISALLOW_COPY_AND_ASSIGN(ArmJniCallingConvention); 882c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers}; 892c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers 902c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers} // namespace arm 912c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers} // namespace art 922c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers 93fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#endif // ART_COMPILER_JNI_QUICK_ARM_CALLING_CONVENTION_ARM_H_ 94