| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ART_RUNTIME_ARCH_X86_64_CALLEE_SAVE_FRAME_X86_64_H_ |
| #define ART_RUNTIME_ARCH_X86_64_CALLEE_SAVE_FRAME_X86_64_H_ |
| |
| #include "arch/instruction_set.h" |
| #include "base/bit_utils.h" |
| #include "base/callee_save_type.h" |
| #include "base/enums.h" |
| #include "quick/quick_method_frame_info.h" |
| #include "registers_x86_64.h" |
| #include "runtime_globals.h" |
| |
| namespace art { |
| namespace x86_64 { |
| |
| static constexpr uint32_t kX86_64CalleeSaveAlwaysSpills = |
| (1 << art::x86_64::kNumberOfCpuRegisters); // Fake return address callee save. |
| static constexpr uint32_t kX86_64CalleeSaveRefSpills = |
| (1 << art::x86_64::RBX) | (1 << art::x86_64::RBP) | (1 << art::x86_64::R12) | |
| (1 << art::x86_64::R13) | (1 << art::x86_64::R14) | (1 << art::x86_64::R15); |
| static constexpr uint32_t kX86_64CalleeSaveArgSpills = |
| (1 << art::x86_64::RSI) | (1 << art::x86_64::RDX) | (1 << art::x86_64::RCX) | |
| (1 << art::x86_64::R8) | (1 << art::x86_64::R9); |
| static constexpr uint32_t kX86_64CalleeSaveEverythingSpills = |
| (1 << art::x86_64::RAX) | (1 << art::x86_64::RCX) | (1 << art::x86_64::RDX) | |
| (1 << art::x86_64::RSI) | (1 << art::x86_64::RDI) | (1 << art::x86_64::R8) | |
| (1 << art::x86_64::R9) | (1 << art::x86_64::R10) | (1 << art::x86_64::R11); |
| |
| static constexpr uint32_t kX86_64CalleeSaveFpArgSpills = |
| (1 << art::x86_64::XMM0) | (1 << art::x86_64::XMM1) | (1 << art::x86_64::XMM2) | |
| (1 << art::x86_64::XMM3) | (1 << art::x86_64::XMM4) | (1 << art::x86_64::XMM5) | |
| (1 << art::x86_64::XMM6) | (1 << art::x86_64::XMM7); |
| static constexpr uint32_t kX86_64CalleeSaveFpSpills = |
| (1 << art::x86_64::XMM12) | (1 << art::x86_64::XMM13) | |
| (1 << art::x86_64::XMM14) | (1 << art::x86_64::XMM15); |
| static constexpr uint32_t kX86_64CalleeSaveFpEverythingSpills = |
| (1 << art::x86_64::XMM0) | (1 << art::x86_64::XMM1) | |
| (1 << art::x86_64::XMM2) | (1 << art::x86_64::XMM3) | |
| (1 << art::x86_64::XMM4) | (1 << art::x86_64::XMM5) | |
| (1 << art::x86_64::XMM6) | (1 << art::x86_64::XMM7) | |
| (1 << art::x86_64::XMM8) | (1 << art::x86_64::XMM9) | |
| (1 << art::x86_64::XMM10) | (1 << art::x86_64::XMM11); |
| |
| class X86_64CalleeSaveFrame { |
| public: |
| static constexpr uint32_t GetCoreSpills(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return kX86_64CalleeSaveAlwaysSpills | kX86_64CalleeSaveRefSpills | |
| (type == CalleeSaveType::kSaveRefsAndArgs ? kX86_64CalleeSaveArgSpills : 0) | |
| (type == CalleeSaveType::kSaveEverything ? kX86_64CalleeSaveEverythingSpills : 0); |
| } |
| |
| static constexpr uint32_t GetFpSpills(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return kX86_64CalleeSaveFpSpills | |
| (type == CalleeSaveType::kSaveRefsAndArgs ? kX86_64CalleeSaveFpArgSpills : 0) | |
| (type == CalleeSaveType::kSaveEverything ? kX86_64CalleeSaveFpEverythingSpills : 0); |
| } |
| |
| static constexpr uint32_t GetFrameSize(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return RoundUp((POPCOUNT(GetCoreSpills(type)) /* gprs */ + |
| POPCOUNT(GetFpSpills(type)) /* fprs */ + |
| 1 /* Method* */) * static_cast<size_t>(kX86_64PointerSize), kStackAlignment); |
| } |
| |
| static constexpr QuickMethodFrameInfo GetMethodFrameInfo(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return QuickMethodFrameInfo(GetFrameSize(type), GetCoreSpills(type), GetFpSpills(type)); |
| } |
| |
| static constexpr size_t GetFpr1Offset(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return GetFrameSize(type) - |
| (POPCOUNT(GetCoreSpills(type)) + |
| POPCOUNT(GetFpSpills(type))) * static_cast<size_t>(kX86_64PointerSize); |
| } |
| |
| static constexpr size_t GetGpr1Offset(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return GetFrameSize(type) - |
| POPCOUNT(GetCoreSpills(type)) * static_cast<size_t>(kX86_64PointerSize); |
| } |
| |
| static constexpr size_t GetReturnPcOffset(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return GetFrameSize(type) - static_cast<size_t>(kX86_64PointerSize); |
| } |
| }; |
| |
| } // namespace x86_64 |
| } // namespace art |
| |
| #endif // ART_RUNTIME_ARCH_X86_64_CALLEE_SAVE_FRAME_X86_64_H_ |