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simple inline-hook framework works for x86, x64, arm and thumb

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liuyx/inline-hook

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It's a simple inline-hook framework works for intel(32bit,64bit) and arm(only works for arm32 and thumb) just now, and it's based on new c++11 feature.

How to build: the framework based on cmake 2.8, all you have to do is:
cmake .
make

How to use:
The usage of the this framework is very easy,example(main.cpp) shows below:

#include "../hooker/HookerFactory.h"
#include <iostream>
#include <cstring>
#include <future>
#include <cstdio>
#include <random>
#include <memory>
void print(const char *s) {
 std::cout << s << std::endl;
}
int (*old_strcmp)(const char *, const char *);
int my_strcmp(const char *s1, const char *s2) {
 std::cout << s1 << " " << s2 << ",haha, it's been hooked" << std::endl;
	if (old_strcmp) {
		std::cout << "old result is: " << old_strcmp(s1, s2) << std::endl;
	}
 return 0;
}
int main() {
 const char *s1 = "hello";
 const char *s2 = "world";
 using namespace hooker;
	std::unique_ptr<HookerFactory> factory = HookerFactory::getInstance();
 const Hooker& hooker = factory->getHooker();
 hooker.hook(reinterpret_cast<void*>(strcmp), reinterpret_cast<void*>(my_strcmp), reinterpret_cast<void**>(&old_strcmp));
 if (strcmp(s1,s2) == 0) {
 print("equal");
 } else {
 print("not equal");
 }
 hooker.unhook(reinterpret_cast<void*>(strcmp), reinterpret_cast<void*>(old_strcmp));
 if (strcmp(s1,s2) == 0) {
 print("equal");
 } else {
 print("not equal");
 }
 return 0;
}

The output is as below: image

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