1 /* 2 * Copyright (C) 2016 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 #include <inttypes.h> 18 #include <stdint.h> 19 #include <stdio.h> 20 #include <stdlib.h> 21 22 #include "MemoryFake.h" 23 24 namespace unwindstack { 25 26 void MemoryFake::SetMemory(uint64_t addr, const void* memory, size_t length) { 27 const uint8_t* src = reinterpret_cast<const uint8_t*>(memory); 28 for (size_t i = 0; i < length; i++, addr++) { 29 auto value = data_.find(addr); 30 if (value != data_.end()) { 31 value->second = src[i]; 32 } else { 33 data_.insert({ addr, src[i] }); 34 } 35 } 36 } 37 38 size_t MemoryFake::Read(uint64_t addr, void* memory, size_t size) { 39 uint8_t* dst = reinterpret_cast<uint8_t*>(memory); 40 for (size_t i = 0; i < size; i++, addr++) { 41 auto value = data_.find(addr); 42 if (value == data_.end()) { 43 return i; 44 } 45 dst[i] = value->second; 46 } 47 return size; 48 } 49 50 } // namespace unwindstack 51
