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 "arch/instruction_set.h" 21 #include "base/bit_utils.h" 22 #include "base/callee_save_type.h" 23 #include "base/enums.h" 24 #include "quick/quick_method_frame_info.h" 25 #include "registers_x86_64.h" 26 27 namespace art { 28 namespace x86_64 { 29 30 static constexpr uint32_t kX86_64CalleeSaveAlwaysSpills = 31 (1 << art::x86_64::kNumberOfCpuRegisters); // Fake return address callee save. 32 static constexpr uint32_t kX86_64CalleeSaveRefSpills = 33 (1 << art::x86_64::RBX) | (1 << art::x86_64::RBP) | (1 << art::x86_64::R12) | 34 (1 << art::x86_64::R13) | (1 << art::x86_64::R14) | (1 << art::x86_64::R15); 35 static constexpr uint32_t kX86_64CalleeSaveArgSpills = 36 (1 << art::x86_64::RSI) | (1 << art::x86_64::RDX) | (1 << art::x86_64::RCX) | 37 (1 << art::x86_64::R8) | (1 << art::x86_64::R9); 38 static constexpr uint32_t kX86_64CalleeSaveEverythingSpills = 39 (1 << art::x86_64::RAX) | (1 << art::x86_64::RCX) | (1 << art::x86_64::RDX) | 40 (1 << art::x86_64::RSI) | (1 << art::x86_64::RDI) | (1 << art::x86_64::R8) | 41 (1 << art::x86_64::R9) | (1 << art::x86_64::R10) | (1 << art::x86_64::R11); 42 43 static constexpr uint32_t kX86_64CalleeSaveFpArgSpills = 44 (1 << art::x86_64::XMM0) | (1 << art::x86_64::XMM1) | (1 << art::x86_64::XMM2) | 45 (1 << art::x86_64::XMM3) | (1 << art::x86_64::XMM4) | (1 << art::x86_64::XMM5) | 46 (1 << art::x86_64::XMM6) | (1 << art::x86_64::XMM7); 47 static constexpr uint32_t kX86_64CalleeSaveFpSpills = 48 (1 << art::x86_64::XMM12) | (1 << art::x86_64::XMM13) | 49 (1 << art::x86_64::XMM14) | (1 << art::x86_64::XMM15); 50 static constexpr uint32_t kX86_64CalleeSaveFpEverythingSpills = 51 (1 << art::x86_64::XMM0) | (1 << art::x86_64::XMM1) | 52 (1 << art::x86_64::XMM2) | (1 << art::x86_64::XMM3) | 53 (1 << art::x86_64::XMM4) | (1 << art::x86_64::XMM5) | 54 (1 << art::x86_64::XMM6) | (1 << art::x86_64::XMM7) | 55 (1 << art::x86_64::XMM8) | (1 << art::x86_64::XMM9) | 56 (1 << art::x86_64::XMM10) | (1 << art::x86_64::XMM11); 57 58 constexpr uint32_t X86_64CalleeSaveCoreSpills(CalleeSaveType type) { 59 type = GetCanonicalCalleeSaveType(type); 60 return kX86_64CalleeSaveAlwaysSpills | kX86_64CalleeSaveRefSpills | 61 (type == CalleeSaveType::kSaveRefsAndArgs ? kX86_64CalleeSaveArgSpills : 0) | 62 (type == CalleeSaveType::kSaveEverything ? kX86_64CalleeSaveEverythingSpills : 0); 63 } 64 65 constexpr uint32_t X86_64CalleeSaveFpSpills(CalleeSaveType type) { 66 type = GetCanonicalCalleeSaveType(type); 67 return kX86_64CalleeSaveFpSpills | 68 (type == CalleeSaveType::kSaveRefsAndArgs ? kX86_64CalleeSaveFpArgSpills : 0) | 69 (type == CalleeSaveType::kSaveEverything ? kX86_64CalleeSaveFpEverythingSpills : 0); 70 } 71 72 constexpr uint32_t X86_64CalleeSaveFrameSize(CalleeSaveType type) { 73 type = GetCanonicalCalleeSaveType(type); 74 return RoundUp((POPCOUNT(X86_64CalleeSaveCoreSpills(type)) /* gprs */ + 75 POPCOUNT(X86_64CalleeSaveFpSpills(type)) /* fprs */ + 76 1 /* Method* */) * static_cast<size_t>(kX86_64PointerSize), kStackAlignment); 77 } 78 79 constexpr QuickMethodFrameInfo X86_64CalleeSaveMethodFrameInfo(CalleeSaveType type) { 80 type = GetCanonicalCalleeSaveType(type); 81 return QuickMethodFrameInfo(X86_64CalleeSaveFrameSize(type), 82 X86_64CalleeSaveCoreSpills(type), 83 X86_64CalleeSaveFpSpills(type)); 84 } 85 86 } // namespace x86_64 87 } // namespace art 88 89 #endif // ART_RUNTIME_ARCH_X86_64_QUICK_METHOD_FRAME_INFO_X86_64_H_ 90
