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memory_model.h
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memory_model.h
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#pragma once
#include <cstdint>
#include <memory>
#include <vector>
#include <tuple>
#include <list>
struct MemRecord {
uint64_t pc;
uint64_t target;
uint64_t size;
uint64_t type;
uint8_t mem[8];
uint64_t inst_index;
};
class MemoryModel {
public:
using MemoryChangeCallback = void (*)(int block_index, uint64_t addr, uint64_t mem_index, void *user_data);
struct MemBlock {
uint64_t block_addr;
uint8_t block_memory[4096];
uint64_t len;
};
std::vector<MemBlock *> blocks;
MemoryModel();
MemoryModel(const MemoryModel &rhs);
MemoryModel(MemoryModel &&rhs);
MemoryModel &operator=(MemoryModel &&rhs);
int get_block_by_addr(uint64_t addr);
int get_insert_place(uint64_t addr);
int put_byte(uint64_t addr, uint8_t byte);
int put(uint64_t addr, uint8_t buf[8], uint64_t size);
void apply(uint8_t *mem, uint64_t len);
void apply_with_callback(uint8_t *mem, uint64_t len, MemoryChangeCallback callback, void *user_data);
~MemoryModel();
};
class MemoryView {
public:
struct MemSearchResult {
MemSearchResult(uint64_t mem_index, uint64_t addr) {
this->mem_index = mem_index;
this->addr = addr;
}
uint64_t mem_index;
uint64_t addr;
};
std::vector<MemoryModel> mem_models;
int unit;
uint64_t len;
uint8_t* mem;
MemoryView(uint8_t *mem, uint64_t len);
void cache(int unit=1000000);
void search_mem(const void *pattern, uint64_t len, std::vector<MemSearchResult> &results);
void get_memory_model_after(uint64_t mem_index, MemoryModel &mem_model);
const MemRecord *get_mem_record(uint64_t index);
};
bool is_gb2312_string(const void *ptr, uint64_t buf_len, uint64_t &len); // the unit of len is uint8
bool is_unicode_string(const void *ptr, uint64_t buf_len, uint64_t &len); // the unit of len is uint16