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_64CalleeSaveAlwaysSpills = 29 (1 << art::x86_64::kNumberOfCpuRegisters); // Fake return address callee save. 30 static constexpr uint32_t kX86_64CalleeSaveRefSpills = 31 (1 << art::x86_64::RBX) | (1 << art::x86_64::RBP) | (1 << art::x86_64::R12) | 32 (1 << art::x86_64::R13) | (1 << art::x86_64::R14) | (1 << art::x86_64::R15); 33 static constexpr uint32_t kX86_64CalleeSaveArgSpills = 34 (1 << art::x86_64::RSI) | (1 << art::x86_64::RDX) | (1 << art::x86_64::RCX) | 35 (1 << art::x86_64::R8) | (1 << art::x86_64::R9); 36 static constexpr uint32_t kX86_64CalleeSaveEverythingSpills = 37 (1 << art::x86_64::RAX) | (1 << art::x86_64::RCX) | (1 << art::x86_64::RDX) | 38 (1 << art::x86_64::RSI) | (1 << art::x86_64::RDI) | (1 << art::x86_64::R8) | 39 (1 << art::x86_64::R9) | (1 << art::x86_64::R10) | (1 << art::x86_64::R11); 40 41 static constexpr uint32_t kX86_64CalleeSaveFpArgSpills = 42 (1 << art::x86_64::XMM0) | (1 << art::x86_64::XMM1) | (1 << art::x86_64::XMM2) | 43 (1 << art::x86_64::XMM3) | (1 << art::x86_64::XMM4) | (1 << art::x86_64::XMM5) | 44 (1 << art::x86_64::XMM6) | (1 << art::x86_64::XMM7); 45 static constexpr uint32_t kX86_64CalleeSaveFpSpills = 46 (1 << art::x86_64::XMM12) | (1 << art::x86_64::XMM13) | 47 (1 << art::x86_64::XMM14) | (1 << art::x86_64::XMM15); 48 static constexpr uint32_t kX86_64CalleeSaveFpEverythingSpills = 49 (1 << art::x86_64::XMM0) | (1 << art::x86_64::XMM1) | 50 (1 << art::x86_64::XMM2) | (1 << art::x86_64::XMM3) | 51 (1 << art::x86_64::XMM4) | (1 << art::x86_64::XMM5) | 52 (1 << art::x86_64::XMM6) | (1 << art::x86_64::XMM7) | 53 (1 << art::x86_64::XMM8) | (1 << art::x86_64::XMM9) | 54 (1 << art::x86_64::XMM10) | (1 << art::x86_64::XMM11); 55 X86_64CalleeSaveCoreSpills(Runtime::CalleeSaveType type)56constexpr uint32_t X86_64CalleeSaveCoreSpills(Runtime::CalleeSaveType type) { 57 return kX86_64CalleeSaveAlwaysSpills | kX86_64CalleeSaveRefSpills | 58 (type == Runtime::kSaveRefsAndArgs ? kX86_64CalleeSaveArgSpills : 0) | 59 (type == Runtime::kSaveEverything ? kX86_64CalleeSaveEverythingSpills : 0); 60 } 61 X86_64CalleeSaveFpSpills(Runtime::CalleeSaveType type)62constexpr uint32_t X86_64CalleeSaveFpSpills(Runtime::CalleeSaveType type) { 63 return kX86_64CalleeSaveFpSpills | 64 (type == Runtime::kSaveRefsAndArgs ? kX86_64CalleeSaveFpArgSpills : 0) | 65 (type == Runtime::kSaveEverything ? kX86_64CalleeSaveFpEverythingSpills : 0); 66 } 67 X86_64CalleeSaveFrameSize(Runtime::CalleeSaveType type)68constexpr uint32_t X86_64CalleeSaveFrameSize(Runtime::CalleeSaveType type) { 69 return RoundUp((POPCOUNT(X86_64CalleeSaveCoreSpills(type)) /* gprs */ + 70 POPCOUNT(X86_64CalleeSaveFpSpills(type)) /* fprs */ + 71 1 /* Method* */) * static_cast<size_t>(kX86_64PointerSize), kStackAlignment); 72 } 73 X86_64CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type)74constexpr QuickMethodFrameInfo X86_64CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) { 75 return QuickMethodFrameInfo(X86_64CalleeSaveFrameSize(type), 76 X86_64CalleeSaveCoreSpills(type), 77 X86_64CalleeSaveFpSpills(type)); 78 } 79 80 } // namespace x86_64 81 } // namespace art 82 83 #endif // ART_RUNTIME_ARCH_X86_64_QUICK_METHOD_FRAME_INFO_X86_64_H_ 84