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 "quick/quick_method_frame_info.h" 21 #include "registers_mips.h" 22 #include "runtime.h" // for Runtime::CalleeSaveType. 23 24 namespace art { 25 namespace mips { 26 27 static constexpr uint32_t kMipsCalleeSaveRefSpills = 28 (1 << art::mips::S2) | (1 << art::mips::S3) | (1 << art::mips::S4) | (1 << art::mips::S5) | 29 (1 << art::mips::S6) | (1 << art::mips::S7) | (1 << art::mips::GP) | (1 << art::mips::FP); 30 static constexpr uint32_t kMipsCalleeSaveArgSpills = 31 (1 << art::mips::A1) | (1 << art::mips::A2) | (1 << art::mips::A3); 32 static constexpr uint32_t kMipsCalleeSaveAllSpills = 33 (1 << art::mips::S0) | (1 << art::mips::S1); 34 MipsCalleeSaveCoreSpills(Runtime::CalleeSaveType type)35constexpr uint32_t MipsCalleeSaveCoreSpills(Runtime::CalleeSaveType type) { 36 return kMipsCalleeSaveRefSpills | 37 (type == Runtime::kRefsAndArgs ? kMipsCalleeSaveArgSpills : 0) | 38 (type == Runtime::kSaveAll ? kMipsCalleeSaveAllSpills : 0) | (1 << art::mips::RA); 39 } 40 MipsCalleeSaveFrameSize(Runtime::CalleeSaveType type)41constexpr uint32_t MipsCalleeSaveFrameSize(Runtime::CalleeSaveType type) { 42 return RoundUp((POPCOUNT(MipsCalleeSaveCoreSpills(type)) /* gprs */ + 43 (type == Runtime::kRefsAndArgs ? 0 : 3) + 1 /* Method* */) * 44 kMipsPointerSize, kStackAlignment); 45 } 46 MipsCalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type)47constexpr QuickMethodFrameInfo MipsCalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) { 48 return QuickMethodFrameInfo(MipsCalleeSaveFrameSize(type), 49 MipsCalleeSaveCoreSpills(type), 50 0u); 51 } 52 53 } // namespace mips 54 } // namespace art 55 56 #endif // ART_RUNTIME_ARCH_MIPS_QUICK_METHOD_FRAME_INFO_MIPS_H_ 57