x86/x64 hooking library
#include <iostream>
#include "X96Hook.h"
#define FUNC_FooBar 0xCAFEBABE //address of a function of type void()
/* The function looks like this
* void FooBar()
* {
* std::cout << "FooBar called \n";
* }
*/
typedef void (*pfn_FooBar)();
void FooBar_hk() //our hook function
{
std::cout << "hook called\n";
}
int main()
{
X32Hook foo_hook;
foo_hook.SetupHook((void*)FUNC_FooBar, FooBar_hk); //setup our hook
foo_hook.InstallHook(); //install our hook function
pfn_FooBar FooBar_t = (pfn_FooBar)FUNC_FooBar; //create a function pointer
FooBar_t(); //call the hooked function (FUNC_FooBar)
foo_hook.RemoveHook(); //remove the hook
//possible output: hook called
return 1;
}
#include <iostream>
#include "X96Hook.h"
#define FUNC_FooBar 0xCAFEBABE //address of a function of type void()
/* The function looks like this
* void FooBar()
* {
* std::cout << "FooBar called \n";
* }
*/
typedef void (*pfn_FooBar)();
pfn_FooBar FooBar_t = NULL;
X32Hook foo_hook;
void FooBar_hk() //our hook function
{
std::cout << "hook called\n";
((pfn_FooBar)foo_hook.Trampoline())(); //call the original un-hooked function to perform its tasks
/* way without trampoline:
* foo_hook.RemoveHook();
* FooBar_t();
* foo_hook.InstallHook();
606C
* using trampolines is way more optimized
*/
}
int main()
{
foo_hook.SetupHook((void*)FUNC_FooBar, FooBar_hk); //setup our hook
foo_hook.InstallHook(); //install our hook function
FooBar_t = (pfn_FooBar)FUNC_FooBar; //assign FUNC_FooBar to FooBar_t
FooBar_t(); //call the hooked function (FUNC_FooBar)
foo_hook.RemoveHook(); //remove the hook
//possible output:
//hook called
//FooBar called
return 1;
}