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