17624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko/* 27624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * Copyright (C) 2014 The Android Open Source Project 37624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * 47624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * Licensed under the Apache License, Version 2.0 (the "License"); 57624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * you may not use this file except in compliance with the License. 67624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * You may obtain a copy of the License at 77624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * 87624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * http://www.apache.org/licenses/LICENSE-2.0 97624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * 107624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * Unless required by applicable law or agreed to in writing, software 117624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * distributed under the License is distributed on an "AS IS" BASIS, 127624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * See the License for the specific language governing permissions and 147624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko * limitations under the License. 157624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko */ 167624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 177624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko#ifndef ART_RUNTIME_ARCH_ARM64_QUICK_METHOD_FRAME_INFO_ARM64_H_ 187624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko#define ART_RUNTIME_ARCH_ARM64_QUICK_METHOD_FRAME_INFO_ARM64_H_ 197624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 207624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko#include "quick/quick_method_frame_info.h" 217624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko#include "registers_arm64.h" 227624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko#include "runtime.h" // for Runtime::CalleeSaveType. 23b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu#include "utils.h" // for POPCOUNT 247624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 257624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Markonamespace art { 267624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Markonamespace arm64 { 277624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 28b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu// Registers need to be restored but not preserved by aapcs64. 29b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xustatic constexpr uint32_t kArm64CalleeSaveAlwaysSpills = 30b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu // Note: ArtMethod::GetReturnPcOffsetInBytes() rely on the assumption that 31b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu // LR is always saved on the top of the frame for all targets. 32b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu // That is, lr = *(sp + framesize - pointsize). 33b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu (1 << art::arm64::LR); 347624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko// Callee saved registers 357624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Markostatic constexpr uint32_t kArm64CalleeSaveRefSpills = 36b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu (1 << art::arm64::X20) | (1 << art::arm64::X21) | (1 << art::arm64::X22) | 37b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu (1 << art::arm64::X23) | (1 << art::arm64::X24) | (1 << art::arm64::X25) | 38b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu (1 << art::arm64::X26) | (1 << art::arm64::X27) | (1 << art::arm64::X28) | 39b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu (1 << art::arm64::X29); 407624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko// X0 is the method pointer. Not saved. 417624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Markostatic constexpr uint32_t kArm64CalleeSaveArgSpills = 427624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (1 << art::arm64::X1) | (1 << art::arm64::X2) | (1 << art::arm64::X3) | 437624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (1 << art::arm64::X4) | (1 << art::arm64::X5) | (1 << art::arm64::X6) | 447624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (1 << art::arm64::X7); 45b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xustatic constexpr uint32_t kArm64CalleeSaveAllSpills = 46b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu // Thread register. 47b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu (1 << art::arm64::X18) | 48b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu // Suspend register. 49b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu 1 << art::arm64::X19; 507624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 51b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xustatic constexpr uint32_t kArm64CalleeSaveFpAlwaysSpills = 0; 52b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xustatic constexpr uint32_t kArm64CalleeSaveFpRefSpills = 0; 537624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Markostatic constexpr uint32_t kArm64CalleeSaveFpArgSpills = 547624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (1 << art::arm64::D0) | (1 << art::arm64::D1) | (1 << art::arm64::D2) | 557624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (1 << art::arm64::D3) | (1 << art::arm64::D4) | (1 << art::arm64::D5) | 567624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (1 << art::arm64::D6) | (1 << art::arm64::D7); 57b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xustatic constexpr uint32_t kArm64FpAllSpills = 587624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (1 << art::arm64::D8) | (1 << art::arm64::D9) | (1 << art::arm64::D10) | 597624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (1 << art::arm64::D11) | (1 << art::arm64::D12) | (1 << art::arm64::D13) | 607624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (1 << art::arm64::D14) | (1 << art::arm64::D15); 617624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 627624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Markoconstexpr uint32_t Arm64CalleeSaveCoreSpills(Runtime::CalleeSaveType type) { 63b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu return kArm64CalleeSaveAlwaysSpills | kArm64CalleeSaveRefSpills | 647624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (type == Runtime::kRefsAndArgs ? kArm64CalleeSaveArgSpills : 0) | 65b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu (type == Runtime::kSaveAll ? kArm64CalleeSaveAllSpills : 0); 667624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko} 677624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 687624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Markoconstexpr uint32_t Arm64CalleeSaveFpSpills(Runtime::CalleeSaveType type) { 69b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu return kArm64CalleeSaveFpAlwaysSpills | kArm64CalleeSaveFpRefSpills | 707624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (type == Runtime::kRefsAndArgs ? kArm64CalleeSaveFpArgSpills: 0) | 717624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko (type == Runtime::kSaveAll ? kArm64FpAllSpills : 0); 727624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko} 737624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 747624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Markoconstexpr uint32_t Arm64CalleeSaveFrameSize(Runtime::CalleeSaveType type) { 757624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko return RoundUp((POPCOUNT(Arm64CalleeSaveCoreSpills(type)) /* gprs */ + 767624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko POPCOUNT(Arm64CalleeSaveFpSpills(type)) /* fprs */ + 777624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 1 /* Method* */) * kArm64PointerSize, kStackAlignment); 787624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko} 797624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 807624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Markoconstexpr QuickMethodFrameInfo Arm64CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) { 817624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko return QuickMethodFrameInfo(Arm64CalleeSaveFrameSize(type), 827624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko Arm64CalleeSaveCoreSpills(type), 837624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko Arm64CalleeSaveFpSpills(type)); 847624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko} 857624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 86b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xuconstexpr size_t Arm64CalleeSaveFpr1Offset(Runtime::CalleeSaveType type) { 87b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu return Arm64CalleeSaveFrameSize(type) - 88b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu (POPCOUNT(Arm64CalleeSaveCoreSpills(type)) + 89b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu POPCOUNT(Arm64CalleeSaveFpSpills(type))) * kArm64PointerSize; 90b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu} 91b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu 92b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xuconstexpr size_t Arm64CalleeSaveGpr1Offset(Runtime::CalleeSaveType type) { 93b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu return Arm64CalleeSaveFrameSize(type) - 94b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu POPCOUNT(Arm64CalleeSaveCoreSpills(type)) * kArm64PointerSize; 95b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu} 96b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu 97b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xuconstexpr size_t Arm64CalleeSaveLrOffset(Runtime::CalleeSaveType type) { 98b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu return Arm64CalleeSaveFrameSize(type) - 99b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu POPCOUNT(Arm64CalleeSaveCoreSpills(type) & (-(1 << LR))) * kArm64PointerSize; 100b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu} 101b551fdcda9eb128c80de37c4fb978968bec6d4b3Zheng Xu 1027624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko} // namespace arm64 1037624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko} // namespace art 1047624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko 1057624d25dad2d1ba25969ae704fccf68649103ae5Vladimir Marko#endif // ART_RUNTIME_ARCH_ARM64_QUICK_METHOD_FRAME_INFO_ARM64_H_ 106