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_RUNTIME_ARCH_X86_64_QUICK_METHOD_FRAME_INFO_X86_64_H_ 18 #define ART_RUNTIME_ARCH_X86_64_QUICK_METHOD_FRAME_INFO_X86_64_H_ 19 20 #include "base/bit_utils.h" 21 #include "quick/quick_method_frame_info.h" 22 #include "registers_x86_64.h" 23 #include "runtime.h" // for Runtime::CalleeSaveType. 24 25 namespace art { 26 namespace x86_64 { 27 28 static constexpr uint32_t kX86_64CalleeSaveRefSpills = 29 (1 << art::x86_64::RBX) | (1 << art::x86_64::RBP) | (1 << art::x86_64::R12) | 30 (1 << art::x86_64::R13) | (1 << art::x86_64::R14) | (1 << art::x86_64::R15); 31 static constexpr uint32_t kX86_64CalleeSaveArgSpills = 32 (1 << art::x86_64::RSI) | (1 << art::x86_64::RDX) | (1 << art::x86_64::RCX) | 33 (1 << art::x86_64::R8) | (1 << art::x86_64::R9); 34 static constexpr uint32_t kX86_64CalleeSaveFpArgSpills = 35 (1 << art::x86_64::XMM0) | (1 << art::x86_64::XMM1) | (1 << art::x86_64::XMM2) | 36 (1 << art::x86_64::XMM3) | (1 << art::x86_64::XMM4) | (1 << art::x86_64::XMM5) | 37 (1 << art::x86_64::XMM6) | (1 << art::x86_64::XMM7); 38 static constexpr uint32_t kX86_64CalleeSaveFpSpills = 39 (1 << art::x86_64::XMM12) | (1 << art::x86_64::XMM13) | 40 (1 << art::x86_64::XMM14) | (1 << art::x86_64::XMM15); 41 X86_64CalleeSaveCoreSpills(Runtime::CalleeSaveType type)42constexpr uint32_t X86_64CalleeSaveCoreSpills(Runtime::CalleeSaveType type) { 43 return kX86_64CalleeSaveRefSpills | 44 (type == Runtime::kRefsAndArgs ? kX86_64CalleeSaveArgSpills : 0) | 45 (1 << art::x86_64::kNumberOfCpuRegisters); // fake return address callee save; 46 } 47 X86_64CalleeSaveFpSpills(Runtime::CalleeSaveType type)48constexpr uint32_t X86_64CalleeSaveFpSpills(Runtime::CalleeSaveType type) { 49 return kX86_64CalleeSaveFpSpills | 50 (type == Runtime::kRefsAndArgs ? kX86_64CalleeSaveFpArgSpills : 0); 51 } 52 X86_64CalleeSaveFrameSize(Runtime::CalleeSaveType type)53constexpr uint32_t X86_64CalleeSaveFrameSize(Runtime::CalleeSaveType type) { 54 return RoundUp((POPCOUNT(X86_64CalleeSaveCoreSpills(type)) /* gprs */ + 55 POPCOUNT(X86_64CalleeSaveFpSpills(type)) /* fprs */ + 56 1 /* Method* */) * kX86_64PointerSize, kStackAlignment); 57 } 58 X86_64CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type)59constexpr QuickMethodFrameInfo X86_64CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) { 60 return QuickMethodFrameInfo(X86_64CalleeSaveFrameSize(type), 61 X86_64CalleeSaveCoreSpills(type), 62 X86_64CalleeSaveFpSpills(type)); 63 } 64 65 } // namespace x86_64 66 } // namespace art 67 68 #endif // ART_RUNTIME_ARCH_X86_64_QUICK_METHOD_FRAME_INFO_X86_64_H_ 69