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 kMips64CalleeSaveRefSpills = 29 (1 << art::mips64::S2) | (1 << art::mips64::S3) | (1 << art::mips64::S4) | 30 (1 << art::mips64::S5) | (1 << art::mips64::S6) | (1 << art::mips64::S7) | 31 (1 << art::mips64::GP) | (1 << art::mips64::S8); 32 static constexpr uint32_t kMips64CalleeSaveArgSpills = 33 (1 << art::mips64::A1) | (1 << art::mips64::A2) | (1 << art::mips64::A3) | 34 (1 << art::mips64::A4) | (1 << art::mips64::A5) | (1 << art::mips64::A6) | 35 (1 << art::mips64::A7); 36 static constexpr uint32_t kMips64CalleeSaveAllSpills = 37 (1 << art::mips64::S0) | (1 << art::mips64::S1); 38 39 static constexpr uint32_t kMips64CalleeSaveFpRefSpills = 0; 40 static constexpr uint32_t kMips64CalleeSaveFpArgSpills = 41 (1 << art::mips64::F12) | (1 << art::mips64::F13) | (1 << art::mips64::F14) | 42 (1 << art::mips64::F15) | (1 << art::mips64::F16) | (1 << art::mips64::F17) | 43 (1 << art::mips64::F18) | (1 << art::mips64::F19); 44 // F12 should not be necessary to spill, as A0 is always in use. 45 static constexpr uint32_t kMips64CalleeSaveFpAllSpills = 46 (1 << art::mips64::F24) | (1 << art::mips64::F25) | (1 << art::mips64::F26) | 47 (1 << art::mips64::F27) | (1 << art::mips64::F28) | (1 << art::mips64::F29) | 48 (1 << art::mips64::F30) | (1 << art::mips64::F31); 49 50 constexpr uint32_t Mips64CalleeSaveCoreSpills(Runtime::CalleeSaveType type) { 51 return kMips64CalleeSaveRefSpills | 52 (type == Runtime::kRefsAndArgs ? kMips64CalleeSaveArgSpills : 0) | 53 (type == Runtime::kSaveAll ? kMips64CalleeSaveAllSpills : 0) | (1 << art::mips64::RA); 54 } 55 56 constexpr uint32_t Mips64CalleeSaveFpSpills(Runtime::CalleeSaveType type) { 57 return kMips64CalleeSaveFpRefSpills | 58 (type == Runtime::kRefsAndArgs ? kMips64CalleeSaveFpArgSpills: 0) | 59 (type == Runtime::kSaveAll ? kMips64CalleeSaveFpAllSpills : 0); 60 } 61 62 constexpr uint32_t Mips64CalleeSaveFrameSize(Runtime::CalleeSaveType type) { 63 return RoundUp((POPCOUNT(Mips64CalleeSaveCoreSpills(type)) /* gprs */ + 64 POPCOUNT(Mips64CalleeSaveFpSpills(type)) /* fprs */ + 65 + 1 /* Method* */) * kMips64PointerSize, kStackAlignment); 66 } 67 68 constexpr QuickMethodFrameInfo Mips64CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) { 69 return QuickMethodFrameInfo(Mips64CalleeSaveFrameSize(type), 70 Mips64CalleeSaveCoreSpills(type), 71 Mips64CalleeSaveFpSpills(type)); 72 } 73 74 } // namespace mips64 75 } // namespace art 76 77 #endif // ART_RUNTIME_ARCH_MIPS64_QUICK_METHOD_FRAME_INFO_MIPS64_H_ 78
