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_MIPS64_QUICK_METHOD_FRAME_INFO_MIPS64_H_ 18 #define ART_RUNTIME_ARCH_MIPS64_QUICK_METHOD_FRAME_INFO_MIPS64_H_ 19 20 #include "base/bit_utils.h" 21 #include "quick/quick_method_frame_info.h" 22 #include "registers_mips64.h" 23 #include "runtime.h" // for Runtime::CalleeSaveType. 24 25 namespace art { 26 namespace mips64 { 27 28 static constexpr uint32_t kMips64CalleeSaveAlwaysSpills = 29 (1 << art::mips64::RA); 30 static constexpr uint32_t kMips64CalleeSaveRefSpills = 31 (1 << art::mips64::S2) | (1 << art::mips64::S3) | (1 << art::mips64::S4) | 32 (1 << art::mips64::S5) | (1 << art::mips64::S6) | (1 << art::mips64::S7) | 33 (1 << art::mips64::GP) | (1 << art::mips64::S8); 34 static constexpr uint32_t kMips64CalleeSaveArgSpills = 35 (1 << art::mips64::A1) | (1 << art::mips64::A2) | (1 << art::mips64::A3) | 36 (1 << art::mips64::A4) | (1 << art::mips64::A5) | (1 << art::mips64::A6) | 37 (1 << art::mips64::A7); 38 static constexpr uint32_t kMips64CalleeSaveAllSpills = 39 (1 << art::mips64::S0) | (1 << art::mips64::S1); 40 static constexpr uint32_t kMips64CalleeSaveEverythingSpills = 41 (1 << art::mips64::AT) | (1 << art::mips64::V0) | (1 << art::mips64::V1) | 42 (1 << art::mips64::A0) | (1 << art::mips64::A1) | (1 << art::mips64::A2) | 43 (1 << art::mips64::A3) | (1 << art::mips64::A4) | (1 << art::mips64::A5) | 44 (1 << art::mips64::A6) | (1 << art::mips64::A7) | (1 << art::mips64::T0) | 45 (1 << art::mips64::T1) | (1 << art::mips64::T2) | (1 << art::mips64::T3) | 46 (1 << art::mips64::S0) | (1 << art::mips64::S1) | (1 << art::mips64::T8) | 47 (1 << art::mips64::T9); 48 49 static constexpr uint32_t kMips64CalleeSaveFpRefSpills = 0; 50 static constexpr uint32_t kMips64CalleeSaveFpArgSpills = 51 (1 << art::mips64::F12) | (1 << art::mips64::F13) | (1 << art::mips64::F14) | 52 (1 << art::mips64::F15) | (1 << art::mips64::F16) | (1 << art::mips64::F17) | 53 (1 << art::mips64::F18) | (1 << art::mips64::F19); 54 // F12 should not be necessary to spill, as A0 is always in use. 55 static constexpr uint32_t kMips64CalleeSaveFpAllSpills = 56 (1 << art::mips64::F24) | (1 << art::mips64::F25) | (1 << art::mips64::F26) | 57 (1 << art::mips64::F27) | (1 << art::mips64::F28) | (1 << art::mips64::F29) | 58 (1 << art::mips64::F30) | (1 << art::mips64::F31); 59 static constexpr uint32_t kMips64CalleeSaveFpEverythingSpills = 60 (1 << art::mips64::F0) | (1 << art::mips64::F1) | (1 << art::mips64::F2) | 61 (1 << art::mips64::F3) | (1 << art::mips64::F4) | (1 << art::mips64::F5) | 62 (1 << art::mips64::F6) | (1 << art::mips64::F7) | (1 << art::mips64::F8) | 63 (1 << art::mips64::F9) | (1 << art::mips64::F10) | (1 << art::mips64::F11) | 64 (1 << art::mips64::F12) | (1 << art::mips64::F13) | (1 << art::mips64::F14) | 65 (1 << art::mips64::F15) | (1 << art::mips64::F16) | (1 << art::mips64::F17) | 66 (1 << art::mips64::F18) | (1 << art::mips64::F19) | (1 << art::mips64::F20) | 67 (1 << art::mips64::F21) | (1 << art::mips64::F22) | (1 << art::mips64::F23) | 68 (1 << art::mips64::F24) | (1 << art::mips64::F25) | (1 << art::mips64::F26) | 69 (1 << art::mips64::F27) | (1 << art::mips64::F28) | (1 << art::mips64::F29) | 70 (1 << art::mips64::F30) | (1 << art::mips64::F31); 71 Mips64CalleeSaveCoreSpills(Runtime::CalleeSaveType type)72constexpr uint32_t Mips64CalleeSaveCoreSpills(Runtime::CalleeSaveType type) { 73 return kMips64CalleeSaveAlwaysSpills | kMips64CalleeSaveRefSpills | 74 (type == Runtime::kSaveRefsAndArgs ? kMips64CalleeSaveArgSpills : 0) | 75 (type == Runtime::kSaveAllCalleeSaves ? kMips64CalleeSaveAllSpills : 0) | 76 (type == Runtime::kSaveEverything ? kMips64CalleeSaveEverythingSpills : 0); 77 } 78 Mips64CalleeSaveFpSpills(Runtime::CalleeSaveType type)79constexpr uint32_t Mips64CalleeSaveFpSpills(Runtime::CalleeSaveType type) { 80 return kMips64CalleeSaveFpRefSpills | 81 (type == Runtime::kSaveRefsAndArgs ? kMips64CalleeSaveFpArgSpills : 0) | 82 (type == Runtime::kSaveAllCalleeSaves ? kMips64CalleeSaveFpAllSpills : 0) | 83 (type == Runtime::kSaveEverything ? kMips64CalleeSaveFpEverythingSpills : 0); 84 } 85 Mips64CalleeSaveFrameSize(Runtime::CalleeSaveType type)86constexpr uint32_t Mips64CalleeSaveFrameSize(Runtime::CalleeSaveType type) { 87 return RoundUp((POPCOUNT(Mips64CalleeSaveCoreSpills(type)) /* gprs */ + 88 POPCOUNT(Mips64CalleeSaveFpSpills(type)) /* fprs */ + 89 + 1 /* Method* */) * static_cast<size_t>(kMips64PointerSize), kStackAlignment); 90 } 91 Mips64CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type)92constexpr QuickMethodFrameInfo Mips64CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) { 93 return QuickMethodFrameInfo(Mips64CalleeSaveFrameSize(type), 94 Mips64CalleeSaveCoreSpills(type), 95 Mips64CalleeSaveFpSpills(type)); 96 } 97 98 } // namespace mips64 99 } // namespace art 100 101 #endif // ART_RUNTIME_ARCH_MIPS64_QUICK_METHOD_FRAME_INFO_MIPS64_H_ 102