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#pragma once
#include <Windows.h>
#include <cstdint>
#include <iostream>
#include <xmmintrin.h>
enum class Register
{
RAX,
RCX,
RDX,
RBX,
RBP,
RSI,
RDI,
R8,
R9,
R10,
R11,
R12,
R13,
R14,
R15
};
struct Registers
{
int64_t rsp;
int64_t rax;
int64_t rcx;
int64_t rdx;
int64_t rbx;
int64_t rbp;
int64_t rsi;
int64_t rdi;
int64_t r8;
int64_t r9;
int64_t r10;
int64_t r11;
int64_t r12;
int64_t r13;
int64_t r14;
int64_t r15;
__m128 xmm0;
__m128 xmm1;
__m128 xmm2;
__m128 xmm3;
__m128 xmm4;
__m128 xmm5;
__m128 xmm6;
__m128 xmm7;
__m128 xmm8;
__m128 xmm9;
__m128 xmm10;
__m128 xmm11;
__m128 xmm12;
__m128 xmm13;
__m128 xmm14;
__m128 xmm15;
void print()
{
printf("rsp = %llx\nrax = %llx\nrcx = %llx\nrdx = %llx\nrbx = %llx\nrbp = %llx\nrsi = %llx\nrdi = %llx\nr8 = %llx\nr9 = %llx\nr10 = %llx\nr11 = %llx\nr12 = %llx\nr13 = %llx\nr14 = %llx\nr15 = %llx\n",
rsp,
rax,
rcx,
rdx,
rbx,
rbp,
rsi,
rdi,
r8,
r9,
r10,
r11,
r12,
r13,
r14,
r15);
}
};
class MidfunctionHook
{
//bytes overwritten by placing the detour
BYTE* originalBytes = nullptr;
//location where hook is placed
BYTE* sourceAddress = nullptr;
//runs overwritten instructions
BYTE* trampoline = nullptr;
//number of bytes to overwrite (don't cut instructions in half)
int hookLength = 0;
public:
static void OverwriteRegister(int64_t rsp, Register reg, int64_t value);
void Hook(BYTE* sourceAddress, BYTE* targetAddress, const int length);
void Unhook();
};
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