构建so库

参看https://blog.csdn.net/qq_26914291/article/details/118609288

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项目结构

.
├── CMakeLists.txt
├── libdemo002.so
├── main.c
└── unicorn
    ├── include
    │?? ├── list.h
    │?? ├── qemu.h
    │?? ├── uc_priv.h
    │?? └── unicorn
    │??     ├── arm.h
    │??     ├── arm64.h
    │??     ├── m68k.h
    │??     ├── mips.h
    │??     ├── platform.h
    │??     ├── sparc.h
    │??     ├── unicorn.h
    │??     └── x86.h
    └── libunicorn.a

main.c

#include <stdio.h>
#include <stdint.h>
#include "unicorn/unicorn.h"
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#define ADDRESS 0x8000
#define STACK_BASE 0x0
#define STACK_SIZE 0x7000
#define MEM_SIZE 20*1024*1024//20M

int main() {
    uc_engine *uc;
    uint32_t r2;
    int fd;
    struct stat file_info;
    uint32_t in1=20000,in2=-349,sp=STACK_SIZE;
    uc_hook hh;

    //so file
    stat("./libdemo002.so",&file_info);
    printf("file size:%ld\n",file_info.st_size);
    fd=open("./libdemo002.so",O_RDONLY);
    void* data=malloc(file_info.st_size);
    read(fd,data,file_info.st_size);
    close(fd);

    //unicorn
    uc_open(UC_ARCH_ARM,UC_MODE_ARM,&uc);

    //sp
    uc_mem_map(uc,STACK_BASE,STACK_SIZE,UC_PROT_ALL);
    uc_reg_write(uc,UC_ARM_REG_SP,&sp);

    //call so
    uc_mem_map(uc,ADDRESS,MEM_SIZE,UC_PROT_ALL);
    uc_mem_write(uc,ADDRESS,data,file_info.st_size);
    uc_reg_write(uc, UC_ARM_REG_R0, &in1);
    uc_reg_write(uc, UC_ARM_REG_R1, &in2);
    uc_emu_start(uc,ADDRESS+0x430, ADDRESS+0x44C,0,0);

    //ret
    uc_reg_read(uc,UC_ARM_REG_R0,&r2);
    printf("r2=%d\n",r2);

    //close
    free(data);
    uc_close(uc);
    return 0;
}

?CMakeLists.txt

# cmake_minimum_required(VERSION <specify CMake version here>)
cmake_minimum_required(VERSION 3.16.3)
project(demo003 C)

set(CMAKE_C_STANDARD 99)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")
include_directories(unicorn/include)
link_directories(unicorn)
add_executable(demo003 main.c)
target_link_libraries(demo003 libunicorn.a m)