x64dbg
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TitanEngine
mirror of https://github.com/x64dbg/TitanEngine
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removed the locks from Debugger.Context, now DBGContext is a local variable everywhere.

This commit is contained in:
Mr. eXoDia 2014-05-16 12:32:28 +02:00
parent cbe59495aa
commit aa8e991f08
1 changed files with 4 additions and 10 deletions
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14
TitanEngine/TitanEngine.Debugger.Context.cpp
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@ -5,13 +5,11 @@
#include "Global.Handle.h" #include "Global.Handle.h"
#include "Global.Engine.Threading.h" #include "Global.Engine.Threading.h"
static CONTEXT DBGContext = {};
__declspec(dllexport) bool TITCALL GetContextFPUDataEx(HANDLE hActiveThread, void* FPUSaveArea) __declspec(dllexport) bool TITCALL GetContextFPUDataEx(HANDLE hActiveThread, void* FPUSaveArea)
{ {
MutexLocker locker("DBGContext"); //lock DBGContext
if(FPUSaveArea) if(FPUSaveArea)
{ {
CONTEXT DBGContext;
memset(&DBGContext, 0, sizeof(CONTEXT)); memset(&DBGContext, 0, sizeof(CONTEXT));
DBGContext.ContextFlags = CONTEXT_ALL; DBGContext.ContextFlags = CONTEXT_ALL;
@ -36,10 +34,8 @@ __declspec(dllexport) bool TITCALL GetContextFPUDataEx(HANDLE hActiveThread, voi
__declspec(dllexport) ULONG_PTR TITCALL GetContextDataEx(HANDLE hActiveThread, DWORD IndexOfRegister) __declspec(dllexport) ULONG_PTR TITCALL GetContextDataEx(HANDLE hActiveThread, DWORD IndexOfRegister)
{ {
MutexLocker locker("DBGContext"); //lock DBGContext
ULONG_PTR retValue = 0; ULONG_PTR retValue = 0;
CONTEXT DBGContext;
memset(&DBGContext, 0, sizeof(CONTEXT)); memset(&DBGContext, 0, sizeof(CONTEXT));
DBGContext.ContextFlags = CONTEXT_ALL; DBGContext.ContextFlags = CONTEXT_ALL;
@ -277,7 +273,6 @@ __declspec(dllexport) ULONG_PTR TITCALL GetContextDataEx(HANDLE hActiveThread, D
__declspec(dllexport) ULONG_PTR TITCALL GetContextData(DWORD IndexOfRegister) __declspec(dllexport) ULONG_PTR TITCALL GetContextData(DWORD IndexOfRegister)
{ {
MutexLocker locker("DBGContext"); //lock DBGContext
HANDLE hActiveThread = OpenThread(THREAD_SUSPEND_RESUME|THREAD_GET_CONTEXT, false, DBGEvent.dwThreadId); HANDLE hActiveThread = OpenThread(THREAD_SUSPEND_RESUME|THREAD_GET_CONTEXT, false, DBGEvent.dwThreadId);
ULONG_PTR ContextReturn = GetContextDataEx(hActiveThread, IndexOfRegister); ULONG_PTR ContextReturn = GetContextDataEx(hActiveThread, IndexOfRegister);
EngineCloseHandle(hActiveThread); EngineCloseHandle(hActiveThread);
@ -286,9 +281,9 @@ __declspec(dllexport) ULONG_PTR TITCALL GetContextData(DWORD IndexOfRegister)
__declspec(dllexport) bool TITCALL SetContextFPUDataEx(HANDLE hActiveThread, void* FPUSaveArea) __declspec(dllexport) bool TITCALL SetContextFPUDataEx(HANDLE hActiveThread, void* FPUSaveArea)
{ {
MutexLocker locker("DBGContext"); //lock DBGContext
if(FPUSaveArea) if(FPUSaveArea)
{ {
CONTEXT DBGContext;
memset(&DBGContext, 0, sizeof(CONTEXT)); memset(&DBGContext, 0, sizeof(CONTEXT));
DBGContext.ContextFlags = CONTEXT_ALL; DBGContext.ContextFlags = CONTEXT_ALL;
@ -317,7 +312,7 @@ __declspec(dllexport) bool TITCALL SetContextFPUDataEx(HANDLE hActiveThread, voi
__declspec(dllexport) bool TITCALL SetContextDataEx(HANDLE hActiveThread, DWORD IndexOfRegister, ULONG_PTR NewRegisterValue) __declspec(dllexport) bool TITCALL SetContextDataEx(HANDLE hActiveThread, DWORD IndexOfRegister, ULONG_PTR NewRegisterValue)
{ {
MutexLocker locker("DBGContext"); //lock DBGContext CONTEXT DBGContext;
memset(&DBGContext, 0, sizeof(CONTEXT)); memset(&DBGContext, 0, sizeof(CONTEXT));
DBGContext.ContextFlags = CONTEXT_ALL; DBGContext.ContextFlags = CONTEXT_ALL;
@ -576,7 +571,6 @@ __declspec(dllexport) bool TITCALL SetContextDataEx(HANDLE hActiveThread, DWORD
__declspec(dllexport) bool TITCALL SetContextData(DWORD IndexOfRegister, ULONG_PTR NewRegisterValue) __declspec(dllexport) bool TITCALL SetContextData(DWORD IndexOfRegister, ULONG_PTR NewRegisterValue)
{ {
MutexLocker locker("DBGContext"); //lock DBGContext
HANDLE hActiveThread = OpenThread(THREAD_SUSPEND_RESUME|THREAD_SET_CONTEXT|THREAD_GET_CONTEXT, false, DBGEvent.dwThreadId); HANDLE hActiveThread = OpenThread(THREAD_SUSPEND_RESUME|THREAD_SET_CONTEXT|THREAD_GET_CONTEXT, false, DBGEvent.dwThreadId);
bool ContextReturn = SetContextDataEx(hActiveThread, IndexOfRegister, NewRegisterValue); bool ContextReturn = SetContextDataEx(hActiveThread, IndexOfRegister, NewRegisterValue);
EngineCloseHandle(hActiveThread); EngineCloseHandle(hActiveThread);