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TitanEngine
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remove singleshoot breakpoints before the breakpoint callback

This commit is contained in:
Mr. eXoDia 2014-08-15 22:21:22 +02:00
parent 7726d8fcf1
commit fe91cd08b4
1 changed files with 22 additions and 16 deletions
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38
TitanEngine/TitanEngine.Debugger.DebugLoop.cpp
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@ -558,8 +558,17 @@ __declspec(dllexport) void TITCALL DebugLoop()
char* DisassembledString = (char*)StaticDisassembleEx(ueCurrentPosition, (LPVOID)instr); char* DisassembledString = (char*)StaticDisassembleEx(ueCurrentPosition, (LPVOID)instr);
if(strstr(DisassembledString, "PUSHF")) if(strstr(DisassembledString, "PUSHF"))
PushfBPX = true; PushfBPX = true;
myCustomBreakPoint = (fCustomBreakPoint)((LPVOID)FoundBreakPoint.ExecuteCallBack);
if(FoundBreakPoint.BreakPointType == UE_SINGLESHOOT)
{
DeleteBPX((ULONG_PTR)FoundBreakPoint.BreakPointAddress);
ResetBPXSize = FoundBreakPoint.BreakPointSize - 1;
ResetBPXAddressTo = NULL;
ResetBPX = false;
}
//execute callback //execute callback
myCustomBreakPoint = (fCustomBreakPoint)((LPVOID)FoundBreakPoint.ExecuteCallBack);
__try __try
{ {
myCustomBreakPoint(); myCustomBreakPoint();
@ -568,6 +577,7 @@ __declspec(dllexport) void TITCALL DebugLoop()
{ {
} }
if(FoundBreakPoint.BreakPointType != UE_SINGLESHOOT) if(FoundBreakPoint.BreakPointType != UE_SINGLESHOOT)
{ {
DisableBPX((ULONG_PTR)FoundBreakPoint.BreakPointAddress); DisableBPX((ULONG_PTR)FoundBreakPoint.BreakPointAddress);
@ -575,13 +585,6 @@ __declspec(dllexport) void TITCALL DebugLoop()
ResetBPXAddressTo = (ULONG_PTR)FoundBreakPoint.BreakPointAddress; ResetBPXAddressTo = (ULONG_PTR)FoundBreakPoint.BreakPointAddress;
ResetBPX = true; ResetBPX = true;
} }
else
{
DeleteBPX((ULONG_PTR)FoundBreakPoint.BreakPointAddress);
ResetBPXSize = FoundBreakPoint.BreakPointSize - 1;
ResetBPXAddressTo = NULL;
ResetBPX = false;
}
} }
else else
VirtualProtectEx(dbgProcessInformation.hProcess, (LPVOID)FoundBreakPoint.BreakPointAddress, FoundBreakPoint.BreakPointSize, OldProtect, &OldProtect); VirtualProtectEx(dbgProcessInformation.hProcess, (LPVOID)FoundBreakPoint.BreakPointAddress, FoundBreakPoint.BreakPointSize, OldProtect, &OldProtect);
@ -1180,8 +1183,17 @@ __declspec(dllexport) void TITCALL DebugLoop()
SetThreadContext(hActiveThread, &myDBGContext); SetThreadContext(hActiveThread, &myDBGContext);
EngineCloseHandle(hActiveThread); EngineCloseHandle(hActiveThread);
VirtualProtectEx(dbgProcessInformation.hProcess, (LPVOID)FoundBreakPoint.BreakPointAddress, FoundBreakPoint.BreakPointSize, OldProtect, &OldProtect); VirtualProtectEx(dbgProcessInformation.hProcess, (LPVOID)FoundBreakPoint.BreakPointAddress, FoundBreakPoint.BreakPointSize, OldProtect, &OldProtect);
myCustomBreakPoint = (fCustomBreakPoint)((LPVOID)FoundBreakPoint.ExecuteCallBack);
if(FoundBreakPoint.BreakPointType == UE_SINGLESHOOT)
{
DeleteBPX((ULONG_PTR)FoundBreakPoint.BreakPointAddress);
ResetBPXSize = FoundBreakPoint.BreakPointSize - 1;
ResetBPXAddressTo = NULL;
ResetBPX = false;
}
//execute callback //execute callback
myCustomBreakPoint = (fCustomBreakPoint)((LPVOID)FoundBreakPoint.ExecuteCallBack);
__try __try
{ {
myCustomBreakPoint(); myCustomBreakPoint();
@ -1190,6 +1202,7 @@ __declspec(dllexport) void TITCALL DebugLoop()
{ {
} }
if(FoundBreakPoint.BreakPointType != UE_SINGLESHOOT) if(FoundBreakPoint.BreakPointType != UE_SINGLESHOOT)
{ {
DisableBPX((ULONG_PTR)FoundBreakPoint.BreakPointAddress); DisableBPX((ULONG_PTR)FoundBreakPoint.BreakPointAddress);
@ -1197,13 +1210,6 @@ __declspec(dllexport) void TITCALL DebugLoop()
ResetBPXAddressTo = (ULONG_PTR)FoundBreakPoint.BreakPointAddress; ResetBPXAddressTo = (ULONG_PTR)FoundBreakPoint.BreakPointAddress;
ResetBPX = true; ResetBPX = true;
} }
else
{
DeleteBPX((ULONG_PTR)FoundBreakPoint.BreakPointAddress);
ResetBPXSize = FoundBreakPoint.BreakPointSize - 1;
ResetBPXAddressTo = NULL;
ResetBPX = false;
}
} }
else else
VirtualProtectEx(dbgProcessInformation.hProcess, (LPVOID)FoundBreakPoint.BreakPointAddress, FoundBreakPoint.BreakPointSize, OldProtect, &OldProtect); VirtualProtectEx(dbgProcessInformation.hProcess, (LPVOID)FoundBreakPoint.BreakPointAddress, FoundBreakPoint.BreakPointSize, OldProtect, &OldProtect);