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_MIPS_QUICK_METHOD_FRAME_INFO_MIPS_H_ 18 #define ART_RUNTIME_ARCH_MIPS_QUICK_METHOD_FRAME_INFO_MIPS_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_mips.h" 26 27 namespace art { 28 namespace mips { 29 30 static constexpr uint32_t kMipsCalleeSaveAlwaysSpills = 31 (1u << art::mips::RA); 32 static constexpr uint32_t kMipsCalleeSaveRefSpills = 33 (1 << art::mips::S2) | (1 << art::mips::S3) | (1 << art::mips::S4) | (1 << art::mips::S5) | 34 (1 << art::mips::S6) | (1 << art::mips::S7) | (1 << art::mips::GP) | (1 << art::mips::FP); 35 static constexpr uint32_t kMipsCalleeSaveArgSpills = 36 (1 << art::mips::A1) | (1 << art::mips::A2) | (1 << art::mips::A3) | (1 << art::mips::T0) | 37 (1 << art::mips::T1); 38 static constexpr uint32_t kMipsCalleeSaveAllSpills = 39 (1 << art::mips::S0) | (1 << art::mips::S1); 40 static constexpr uint32_t kMipsCalleeSaveEverythingSpills = 41 (1 << art::mips::AT) | (1 << art::mips::V0) | (1 << art::mips::V1) | 42 (1 << art::mips::A0) | (1 << art::mips::A1) | (1 << art::mips::A2) | (1 << art::mips::A3) | 43 (1 << art::mips::T0) | (1 << art::mips::T1) | (1 << art::mips::T2) | (1 << art::mips::T3) | 44 (1 << art::mips::T4) | (1 << art::mips::T5) | (1 << art::mips::T6) | (1 << art::mips::T7) | 45 (1 << art::mips::S0) | (1 << art::mips::S1) | (1 << art::mips::T8) | (1 << art::mips::T9); 46 47 static constexpr uint32_t kMipsCalleeSaveFpAlwaysSpills = 0; 48 static constexpr uint32_t kMipsCalleeSaveFpRefSpills = 0; 49 static constexpr uint32_t kMipsCalleeSaveFpArgSpills = 50 (1 << art::mips::F8) | (1 << art::mips::F9) | (1 << art::mips::F10) | (1 << art::mips::F11) | 51 (1 << art::mips::F12) | (1 << art::mips::F13) | (1 << art::mips::F14) | (1 << art::mips::F15) | 52 (1 << art::mips::F16) | (1 << art::mips::F17) | (1 << art::mips::F18) | (1 << art::mips::F19); 53 static constexpr uint32_t kMipsCalleeSaveAllFPSpills = 54 (1 << art::mips::F20) | (1 << art::mips::F21) | (1 << art::mips::F22) | (1 << art::mips::F23) | 55 (1 << art::mips::F24) | (1 << art::mips::F25) | (1 << art::mips::F26) | (1 << art::mips::F27) | 56 (1 << art::mips::F28) | (1 << art::mips::F29) | (1 << art::mips::F30) | (1u << art::mips::F31); 57 static constexpr uint32_t kMipsCalleeSaveFpEverythingSpills = 58 (1 << art::mips::F0) | (1 << art::mips::F1) | (1 << art::mips::F2) | (1 << art::mips::F3) | 59 (1 << art::mips::F4) | (1 << art::mips::F5) | (1 << art::mips::F6) | (1 << art::mips::F7) | 60 (1 << art::mips::F8) | (1 << art::mips::F9) | (1 << art::mips::F10) | (1 << art::mips::F11) | 61 (1 << art::mips::F12) | (1 << art::mips::F13) | (1 << art::mips::F14) | (1 << art::mips::F15) | 62 (1 << art::mips::F16) | (1 << art::mips::F17) | (1 << art::mips::F18) | (1 << art::mips::F19) | 63 (1 << art::mips::F20) | (1 << art::mips::F21) | (1 << art::mips::F22) | (1 << art::mips::F23) | 64 (1 << art::mips::F24) | (1 << art::mips::F25) | (1 << art::mips::F26) | (1 << art::mips::F27) | 65 (1 << art::mips::F28) | (1 << art::mips::F29) | (1 << art::mips::F30) | (1u << art::mips::F31); 66 67 constexpr uint32_t MipsCalleeSaveCoreSpills(CalleeSaveType type) { 68 return kMipsCalleeSaveAlwaysSpills | kMipsCalleeSaveRefSpills | 69 (type == CalleeSaveType::kSaveRefsAndArgs ? kMipsCalleeSaveArgSpills : 0) | 70 (type == CalleeSaveType::kSaveAllCalleeSaves ? kMipsCalleeSaveAllSpills : 0) | 71 (type == CalleeSaveType::kSaveEverything ? kMipsCalleeSaveEverythingSpills : 0); 72 } 73 74 constexpr uint32_t MipsCalleeSaveFPSpills(CalleeSaveType type) { 75 return kMipsCalleeSaveFpAlwaysSpills | kMipsCalleeSaveFpRefSpills | 76 (type == CalleeSaveType::kSaveRefsAndArgs ? kMipsCalleeSaveFpArgSpills : 0) | 77 (type == CalleeSaveType::kSaveAllCalleeSaves ? kMipsCalleeSaveAllFPSpills : 0) | 78 (type == CalleeSaveType::kSaveEverything ? kMipsCalleeSaveFpEverythingSpills : 0); 79 } 80 81 constexpr uint32_t MipsCalleeSaveFrameSize(CalleeSaveType type) { 82 return RoundUp((POPCOUNT(MipsCalleeSaveCoreSpills(type)) /* gprs */ + 83 POPCOUNT(MipsCalleeSaveFPSpills(type)) /* fprs */ + 84 1 /* Method* */) * static_cast<size_t>(kMipsPointerSize), kStackAlignment); 85 } 86 87 constexpr QuickMethodFrameInfo MipsCalleeSaveMethodFrameInfo(CalleeSaveType type) { 88 return QuickMethodFrameInfo(MipsCalleeSaveFrameSize(type), 89 MipsCalleeSaveCoreSpills(type), 90 MipsCalleeSaveFPSpills(type)); 91 } 92 93 } // namespace mips 94 } // namespace art 95 96 #endif // ART_RUNTIME_ARCH_MIPS_QUICK_METHOD_FRAME_INFO_MIPS_H_ 97
