| /* |
| * 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_MIPS64_CALLEE_SAVE_FRAME_MIPS64_H_ |
| #define ART_RUNTIME_ARCH_MIPS64_CALLEE_SAVE_FRAME_MIPS64_H_ |
| |
| #include "arch/instruction_set.h" |
| #include "base/bit_utils.h" |
| #include "base/callee_save_type.h" |
| #include "base/enums.h" |
| #include "base/globals.h" |
| #include "quick/quick_method_frame_info.h" |
| #include "registers_mips64.h" |
| |
| namespace art { |
| namespace mips64 { |
| |
| static constexpr uint32_t kMips64CalleeSaveAlwaysSpills = |
| (1 << art::mips64::RA); |
| static constexpr uint32_t kMips64CalleeSaveRefSpills = |
| (1 << art::mips64::S2) | (1 << art::mips64::S3) | (1 << art::mips64::S4) | |
| (1 << art::mips64::S5) | (1 << art::mips64::S6) | (1 << art::mips64::S7) | |
| (1 << art::mips64::GP) | (1 << art::mips64::S8); |
| static constexpr uint32_t kMips64CalleeSaveArgSpills = |
| (1 << art::mips64::A1) | (1 << art::mips64::A2) | (1 << art::mips64::A3) | |
| (1 << art::mips64::A4) | (1 << art::mips64::A5) | (1 << art::mips64::A6) | |
| (1 << art::mips64::A7); |
| static constexpr uint32_t kMips64CalleeSaveAllSpills = |
| (1 << art::mips64::S0) | (1 << art::mips64::S1); |
| static constexpr uint32_t kMips64CalleeSaveEverythingSpills = |
| (1 << art::mips64::AT) | (1 << art::mips64::V0) | (1 << art::mips64::V1) | |
| (1 << art::mips64::A0) | (1 << art::mips64::A1) | (1 << art::mips64::A2) | |
| (1 << art::mips64::A3) | (1 << art::mips64::A4) | (1 << art::mips64::A5) | |
| (1 << art::mips64::A6) | (1 << art::mips64::A7) | (1 << art::mips64::T0) | |
| (1 << art::mips64::T1) | (1 << art::mips64::T2) | (1 << art::mips64::T3) | |
| (1 << art::mips64::S0) | (1 << art::mips64::S1) | (1 << art::mips64::T8) | |
| (1 << art::mips64::T9); |
| |
| static constexpr uint32_t kMips64CalleeSaveFpRefSpills = 0; |
| static constexpr uint32_t kMips64CalleeSaveFpArgSpills = |
| (1 << art::mips64::F12) | (1 << art::mips64::F13) | (1 << art::mips64::F14) | |
| (1 << art::mips64::F15) | (1 << art::mips64::F16) | (1 << art::mips64::F17) | |
| (1 << art::mips64::F18) | (1 << art::mips64::F19); |
| // F12 should not be necessary to spill, as A0 is always in use. |
| static constexpr uint32_t kMips64CalleeSaveFpAllSpills = |
| (1 << art::mips64::F24) | (1 << art::mips64::F25) | (1 << art::mips64::F26) | |
| (1 << art::mips64::F27) | (1 << art::mips64::F28) | (1 << art::mips64::F29) | |
| (1 << art::mips64::F30) | (1 << art::mips64::F31); |
| static constexpr uint32_t kMips64CalleeSaveFpEverythingSpills = |
| (1 << art::mips64::F0) | (1 << art::mips64::F1) | (1 << art::mips64::F2) | |
| (1 << art::mips64::F3) | (1 << art::mips64::F4) | (1 << art::mips64::F5) | |
| (1 << art::mips64::F6) | (1 << art::mips64::F7) | (1 << art::mips64::F8) | |
| (1 << art::mips64::F9) | (1 << art::mips64::F10) | (1 << art::mips64::F11) | |
| (1 << art::mips64::F12) | (1 << art::mips64::F13) | (1 << art::mips64::F14) | |
| (1 << art::mips64::F15) | (1 << art::mips64::F16) | (1 << art::mips64::F17) | |
| (1 << art::mips64::F18) | (1 << art::mips64::F19) | (1 << art::mips64::F20) | |
| (1 << art::mips64::F21) | (1 << art::mips64::F22) | (1 << art::mips64::F23) | |
| (1 << art::mips64::F24) | (1 << art::mips64::F25) | (1 << art::mips64::F26) | |
| (1 << art::mips64::F27) | (1 << art::mips64::F28) | (1 << art::mips64::F29) | |
| (1 << art::mips64::F30) | (1 << art::mips64::F31); |
| |
| class Mips64CalleeSaveFrame { |
| public: |
| static constexpr uint32_t GetCoreSpills(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return kMips64CalleeSaveAlwaysSpills | kMips64CalleeSaveRefSpills | |
| (type == CalleeSaveType::kSaveRefsAndArgs ? kMips64CalleeSaveArgSpills : 0) | |
| (type == CalleeSaveType::kSaveAllCalleeSaves ? kMips64CalleeSaveAllSpills : 0) | |
| (type == CalleeSaveType::kSaveEverything ? kMips64CalleeSaveEverythingSpills : 0); |
| } |
| |
| static constexpr uint32_t GetFpSpills(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return kMips64CalleeSaveFpRefSpills | |
| (type == CalleeSaveType::kSaveRefsAndArgs ? kMips64CalleeSaveFpArgSpills : 0) | |
| (type == CalleeSaveType::kSaveAllCalleeSaves ? kMips64CalleeSaveFpAllSpills : 0) | |
| (type == CalleeSaveType::kSaveEverything ? kMips64CalleeSaveFpEverythingSpills : 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>(kMips64PointerSize), 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>(kMips64PointerSize); |
| } |
| |
| static constexpr size_t GetGpr1Offset(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return GetFrameSize(type) - |
| POPCOUNT(GetCoreSpills(type)) * static_cast<size_t>(kMips64PointerSize); |
| } |
| |
| static constexpr size_t GetReturnPcOffset(CalleeSaveType type) { |
| type = GetCanonicalCalleeSaveType(type); |
| return GetFrameSize(type) - static_cast<size_t>(kMips64PointerSize); |
| } |
| }; |
| |
| } // namespace mips64 |
| } // namespace art |
| |
| #endif // ART_RUNTIME_ARCH_MIPS64_CALLEE_SAVE_FRAME_MIPS64_H_ |