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 "base/bit_utils.h" 21 #include "quick/quick_method_frame_info.h" 22 #include "registers_mips.h" 23 #include "runtime.h" // for Runtime::CalleeSaveType. 24 25 namespace art { 26 namespace mips { 27 28 static constexpr uint32_t kMipsCalleeSaveAlwaysSpills = 29 (1u << art::mips::RA); 30 static constexpr uint32_t kMipsCalleeSaveRefSpills = 31 (1 << art::mips::S2) | (1 << art::mips::S3) | (1 << art::mips::S4) | (1 << art::mips::S5) | 32 (1 << art::mips::S6) | (1 << art::mips::S7) | (1 << art::mips::GP) | (1 << art::mips::FP); 33 static constexpr uint32_t kMipsCalleeSaveArgSpills = 34 (1 << art::mips::A1) | (1 << art::mips::A2) | (1 << art::mips::A3) | (1 << art::mips::T0) | 35 (1 << art::mips::T1); 36 static constexpr uint32_t kMipsCalleeSaveAllSpills = 37 (1 << art::mips::S0) | (1 << art::mips::S1); 38 static constexpr uint32_t kMipsCalleeSaveEverythingSpills = 39 (1 << art::mips::AT) | (1 << art::mips::V0) | (1 << art::mips::V1) | 40 (1 << art::mips::A0) | (1 << art::mips::A1) | (1 << art::mips::A2) | (1 << art::mips::A3) | 41 (1 << art::mips::T0) | (1 << art::mips::T1) | (1 << art::mips::T2) | (1 << art::mips::T3) | 42 (1 << art::mips::T4) | (1 << art::mips::T5) | (1 << art::mips::T6) | (1 << art::mips::T7) | 43 (1 << art::mips::S0) | (1 << art::mips::S1) | (1 << art::mips::T8) | (1 << art::mips::T9); 44 45 static constexpr uint32_t kMipsCalleeSaveFpAlwaysSpills = 0; 46 static constexpr uint32_t kMipsCalleeSaveFpRefSpills = 0; 47 static constexpr uint32_t kMipsCalleeSaveFpArgSpills = 48 (1 << art::mips::F8) | (1 << art::mips::F9) | (1 << art::mips::F10) | (1 << art::mips::F11) | 49 (1 << art::mips::F12) | (1 << art::mips::F13) | (1 << art::mips::F14) | (1 << art::mips::F15) | 50 (1 << art::mips::F16) | (1 << art::mips::F17) | (1 << art::mips::F18) | (1 << art::mips::F19); 51 static constexpr uint32_t kMipsCalleeSaveAllFPSpills = 52 (1 << art::mips::F20) | (1 << art::mips::F21) | (1 << art::mips::F22) | (1 << art::mips::F23) | 53 (1 << art::mips::F24) | (1 << art::mips::F25) | (1 << art::mips::F26) | (1 << art::mips::F27) | 54 (1 << art::mips::F28) | (1 << art::mips::F29) | (1 << art::mips::F30) | (1u << art::mips::F31); 55 static constexpr uint32_t kMipsCalleeSaveFpEverythingSpills = 56 (1 << art::mips::F0) | (1 << art::mips::F1) | (1 << art::mips::F2) | (1 << art::mips::F3) | 57 (1 << art::mips::F4) | (1 << art::mips::F5) | (1 << art::mips::F6) | (1 << art::mips::F7) | 58 (1 << art::mips::F8) | (1 << art::mips::F9) | (1 << art::mips::F10) | (1 << art::mips::F11) | 59 (1 << art::mips::F12) | (1 << art::mips::F13) | (1 << art::mips::F14) | (1 << art::mips::F15) | 60 (1 << art::mips::F16) | (1 << art::mips::F17) | (1 << art::mips::F18) | (1 << art::mips::F19) | 61 (1 << art::mips::F20) | (1 << art::mips::F21) | (1 << art::mips::F22) | (1 << art::mips::F23) | 62 (1 << art::mips::F24) | (1 << art::mips::F25) | (1 << art::mips::F26) | (1 << art::mips::F27) | 63 (1 << art::mips::F28) | (1 << art::mips::F29) | (1 << art::mips::F30) | (1u << art::mips::F31); 64 65 constexpr uint32_t MipsCalleeSaveCoreSpills(Runtime::CalleeSaveType type) { 66 return kMipsCalleeSaveAlwaysSpills | kMipsCalleeSaveRefSpills | 67 (type == Runtime::kSaveRefsAndArgs ? kMipsCalleeSaveArgSpills : 0) | 68 (type == Runtime::kSaveAllCalleeSaves ? kMipsCalleeSaveAllSpills : 0) | 69 (type == Runtime::kSaveEverything ? kMipsCalleeSaveEverythingSpills : 0); 70 } 71 72 constexpr uint32_t MipsCalleeSaveFPSpills(Runtime::CalleeSaveType type) { 73 return kMipsCalleeSaveFpAlwaysSpills | kMipsCalleeSaveFpRefSpills | 74 (type == Runtime::kSaveRefsAndArgs ? kMipsCalleeSaveFpArgSpills : 0) | 75 (type == Runtime::kSaveAllCalleeSaves ? kMipsCalleeSaveAllFPSpills : 0) | 76 (type == Runtime::kSaveEverything ? kMipsCalleeSaveFpEverythingSpills : 0); 77 } 78 79 constexpr uint32_t MipsCalleeSaveFrameSize(Runtime::CalleeSaveType type) { 80 return RoundUp((POPCOUNT(MipsCalleeSaveCoreSpills(type)) /* gprs */ + 81 POPCOUNT(MipsCalleeSaveFPSpills(type)) /* fprs */ + 82 1 /* Method* */) * static_cast<size_t>(kMipsPointerSize), kStackAlignment); 83 } 84 85 constexpr QuickMethodFrameInfo MipsCalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) { 86 return QuickMethodFrameInfo(MipsCalleeSaveFrameSize(type), 87 MipsCalleeSaveCoreSpills(type), 88 MipsCalleeSaveFPSpills(type)); 89 } 90 91 } // namespace mips 92 } // namespace art 93 94 #endif // ART_RUNTIME_ARCH_MIPS_QUICK_METHOD_FRAME_INFO_MIPS_H_ 95
