xaymar/BlitzPointer
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Fixed Variable Pointers being wrong (ASM cleanup again).

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This commit is contained in:
Michael Dirks
2016-02-06 18:32:16 +01:00
parent 491e11ca77
commit 7591ca4a03
1 changed files with 24 additions and 42 deletions
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BlitzPointer.cpp
+24 -42
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@@ -21,6 +21,7 @@
#include "BlitzPointer.h"
DLL_METHOD intptr_t DLL_CALL BP_GetReturnAddress() {
#pragma comment(linker, "/EXPORT:BP_GetReturnAddress=_BP_GetReturnAddress@0")
intptr_t BasePointer, ReturnAddress;
__asm { //ASM. Do touch if suicidal.
@@ -35,10 +36,9 @@ DLL_METHOD intptr_t DLL_CALL BP_GetReturnAddress() {
return ReturnAddress;
}
#pragma comment(linker, "/EXPORT:BP_GetReturnAddress=_BP_GetReturnAddress@0")
DLL_METHOD intptr_t DLL_CALL BP_GetFunctionPointer()
{
DLL_METHOD intptr_t DLL_CALL BP_GetFunctionPointer() {
#pragma comment(linker, "/EXPORT:BP_GetFunctionPointer=_BP_GetFunctionPointer@0")
intptr_t BasePointer, ReturnAddress, FunctionPointer;
__asm { //ASM. Do touch if suicidal.
@@ -56,75 +56,57 @@ DLL_METHOD intptr_t DLL_CALL BP_GetFunctionPointer()
return FunctionPointer;
}
#pragma comment(linker, "/EXPORT:BP_GetFunctionPointer=_BP_GetFunctionPointer@0")
// Didn't work out, overloading a Runtime Function makes it disappear.
// At 0x00100000 (Process begin stuff) there's a list of functions? What the hell Mark?
/*DLL_METHOD intptr_t DLL_CALL BP_GetLastCalledFunctionPointer( )
{
// Scan backwards in executable memory for a eax assign.
return 0;
}
#pragma comment(linker, "/EXPORT:BP_GetLastCalledFunctionPointer=_BP_GetLastCalledFunctionPointer@0")
DLL_METHOD intptr_t DLL_CALL BP_GetNextCalledFunctionPointer()
{
// Scan forwards in executable memory for a eax assign.
return 0;
}
#pragma comment(linker, "/EXPORT:BP_GetNextCalledFunctionPointer=_BP_GetNextCalledFunctionPointer@0")*/
DLL_METHOD intptr_t DLL_CALL BP_GetVariablePointer(int32_t pVariable)
{
intptr_t BasePointer;
__asm { //ASM. Do touch if suicidal.
mov BasePointer, ebp; // Store current BasePointer
}
// The Variable pointer that is used is at -9 bytes offset to the return address.
return *reinterpret_cast<int32_t*>(*reinterpret_cast<intptr_t*>(BasePointer + 4) - 9);
}
DLL_METHOD intptr_t DLL_CALL BP_GetVariablePointer(int32_t pVariable) {
#pragma comment(linker, "/EXPORT:BP_GetVariablePointer=_BP_GetVariablePointer@4")
DLL_METHOD intptr_t DLL_CALL BP_GetVariablePointerType( int32_t pVariable ) {
intptr_t BasePointer;
__asm { //ASM. Do touch if suicidal.
mov BasePointer, ebp; // Store current BasePointer
}
// The Variable pointer that is used is at -11 bytes offset to the return address.
return *reinterpret_cast<int32_t*>(*reinterpret_cast<intptr_t*>(BasePointer + 4) - 11);
// The Variable pointer that is used is at -9 bytes offset to the return address of this function.
return *(intptr_t*)(*(intptr_t*)(BasePointer + 4) - 9);
}
DLL_METHOD intptr_t DLL_CALL BP_GetVariablePointerType(int32_t pVariable) {
#pragma comment(linker, "/EXPORT:BP_GetVariablePointerType=_BP_GetVariablePointerType@4")
intptr_t BasePointer;
__asm { //ASM. Do touch if suicidal.
mov BasePointer, ebp; // Store current BasePointer
}
// The Variable pointer that is used is at -11 bytes offset to the return address of this function.
return *(intptr_t*)(*(intptr_t*)(BasePointer + 4) - 11);
}
DLL_METHOD int32_t DLL_CALL BP_CallFunction0(BP_BlitzFunction0_t lpFunctionPointer) {
#pragma comment(linker, "/EXPORT:BP_CallFunction0=_BP_CallFunction0@4")
return lpFunctionPointer();
}
#pragma comment(linker, "/EXPORT:BP_CallFunction0=_BP_CallFunction0@4")
DLL_METHOD int32_t DLL_CALL BP_CallFunction1(BP_BlitzFunction1_t lpFunctionPointer, int32_t p1) {
#pragma comment(linker, "/EXPORT:BP_CallFunction1=_BP_CallFunction1@8")
return lpFunctionPointer(p1);
}
#pragma comment(linker, "/EXPORT:BP_CallFunction1=_BP_CallFunction1@8")
DLL_METHOD int32_t DLL_CALL BP_CallFunction2(BP_BlitzFunction2_t lpFunctionPointer, int32_t p1, int32_t p2) {
#pragma comment(linker, "/EXPORT:BP_CallFunction2=_BP_CallFunction2@12")
return lpFunctionPointer(p1, p2);
}
#pragma comment(linker, "/EXPORT:BP_CallFunction2=_BP_CallFunction2@12")
DLL_METHOD int32_t DLL_CALL BP_CallFunction3(BP_BlitzFunction3_t lpFunctionPointer, int32_t p1, int32_t p2, int32_t p3) {
#pragma comment(linker, "/EXPORT:BP_CallFunction3=_BP_CallFunction3@16")
return lpFunctionPointer(p1, p2, p3);
}
#pragma comment(linker, "/EXPORT:BP_CallFunction3=_BP_CallFunction3@16")
DLL_METHOD int32_t DLL_CALL BP_CallFunction4(BP_BlitzFunction4_t lpFunctionPointer, int32_t p1, int32_t p2, int32_t p3, int32_t p4) {
#pragma comment(linker, "/EXPORT:BP_CallFunction4=_BP_CallFunction4@20")
return lpFunctionPointer(p1, p2, p3, p4);
}
#pragma comment(linker, "/EXPORT:BP_CallFunction4=_BP_CallFunction4@20")
DLL_METHOD int32_t DLL_CALL BP_CallFunction5(BP_BlitzFunction5_t lpFunctionPointer, int32_t p1, int32_t p2, int32_t p3, int32_t p4, int32_t p5) {
#pragma comment(linker, "/EXPORT:BP_CallFunction5=_BP_CallFunction5@24")
return lpFunctionPointer(p1, p2, p3, p4, p5);
}
#pragma comment(linker, "/EXPORT:BP_CallFunction5=_BP_CallFunction5@24")
}