github.com/td512.re3
1
0
Fork 0
mirror of https://github.com/td512/re3.git synced 2026-04-30 00:26:32 +00:00
Code Issues Projects Releases Wiki Activity

removed windows.h for most .cpps

Browse Source
This commit is contained in:
aap
2020-03-27 20:53:47 +01:00
parent 43b092033c
commit e7c18fc17f
13 changed files with 362 additions and 331 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
src/core/patcher.h
View File

@@ -6,13 +6,7 @@
#define VARJMP(a) { _asm jmp a }
#define WRAPARG(a) UNREFERENCED_PARAMETER(a)
#define NOVMT __declspec(novtable)
#define SETVMT(a) *((DWORD_PTR*)this) = (DWORD_PTR)a
#include <algorithm>
#include <vector>
#include "common.h"
#include <string.h> //memset
enum
{
@@ -103,72 +97,36 @@ isVC(void)
InjectHook(a, func); \
}
void InjectHook_internal(uint32 address, uint32 hook, int type);
void Protect_internal(uint32 address, uint32 size);
void Unprotect_internal(void);
template<typename T, typename AT> inline void
Patch(AT address, T value)
{
DWORD dwProtect[2];
VirtualProtect((void*)address, sizeof(T), PAGE_EXECUTE_READWRITE, &dwProtect[0]);
Protect_internal((uint32)address, sizeof(T));
*(T*)address = value;
VirtualProtect((void*)address, sizeof(T), dwProtect[0], &dwProtect[1]);
Unprotect_internal();
}
template<typename AT> inline void
Nop(AT address, unsigned int nCount)
{
DWORD dwProtect[2];
VirtualProtect((void*)address, nCount, PAGE_EXECUTE_READWRITE, &dwProtect[0]);
Protect_internal((uint32)address, nCount);
memset((void*)address, 0x90, nCount);
VirtualProtect((void*)address, nCount, dwProtect[0], &dwProtect[1]);
Unprotect_internal();
}
template<typename AT> inline void
ClearCC(AT address, unsigned int nCount)
{
DWORD dwProtect[2];
VirtualProtect((void*)address, nCount, PAGE_EXECUTE_READWRITE, &dwProtect[0]);
memset((void*)address, 0xCC, nCount);
VirtualProtect((void*)address, nCount, dwProtect[0], &dwProtect[1]);
}
extern std::vector<int32> usedAddresses;
template<typename AT, typename HT> inline void
InjectHook(AT address, HT hook, unsigned int nType=PATCH_NOTHING)
{
if(std::any_of(usedAddresses.begin(), usedAddresses.end(),
[address](AT value) { return (int32)value == address; })) {
debug("Used address %#06x twice when injecting hook\n", address);
}
usedAddresses.push_back((int32)address);
DWORD dwProtect[2];
switch ( nType )
{
case PATCH_JUMP:
VirtualProtect((void*)address, 5, PAGE_EXECUTE_READWRITE, &dwProtect[0]);
*(BYTE*)address = 0xE9;
break;
case PATCH_CALL:
VirtualProtect((void*)address, 5, PAGE_EXECUTE_READWRITE, &dwProtect[0]);
*(BYTE*)address = 0xE8;
break;
default:
VirtualProtect((void*)((DWORD)address + 1), 4, PAGE_EXECUTE_READWRITE, &dwProtect[0]);
break;
}
DWORD dwHook;
uint32 uiHook;
_asm
{
mov eax, hook
mov dwHook, eax
mov uiHook, eax
}
*(ptrdiff_t*)((DWORD)address + 1) = (DWORD)dwHook - (DWORD)address - 5;
if ( nType == PATCH_NOTHING )
VirtualProtect((void*)((DWORD)address + 1), 4, dwProtect[0], &dwProtect[1]);
else
VirtualProtect((void*)address, 5, dwProtect[0], &dwProtect[1]);
InjectHook_internal((uint32)address, uiHook, nType);
}
inline void ExtractCall(void *dst, uint32_t a)