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Optimize far-jump patches

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This commit is contained in:
momo5502
2016-02-12 00:36:52 +01:00
parent 4f458b40c3
commit 02b6dd2f19
7 changed files with 25 additions and 8 deletions
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12
src/Utils/Hooking.cpp
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@ -131,4 +131,16 @@ namespace Utils
{
Hook::SetString(reinterpret_cast<void*>(place), string);
}
void Hook::RedirectJump(void* place, void* stub)
{
char* operandPtr = static_cast<char*>(place) + 2;
int newOperand = reinterpret_cast<int>(stub) - (reinterpret_cast<int>(place) + 6);
Utils::Hook::Set<int>(operandPtr, newOperand);
}
void Hook::RedirectJump(DWORD place, void* stub)
{
Hook::RedirectJump(reinterpret_cast<void*>(place), stub);
}
}

3
src/Utils/Hooking.hpp
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@ -44,6 +44,9 @@ namespace Utils
static void Nop(void* place, size_t length);
static void Nop(DWORD place, size_t length);
static void RedirectJump(void* place, void* stub);
static void RedirectJump(DWORD place, void* stub);
template <typename T> static void Set(void* place, T value)
{
*static_cast<T*>(place) = value;