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Port fallback when AVX is not supported 

https://github.com/x64dbg/TitanEngine/pull/27
This commit is contained in:
Duncan Ogilvie 2025-08-18 03:26:31 +02:00
parent c34e2f0381
commit 1eb094e7aa
1 changed files with 10 additions and 10 deletions
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20
TitanEngineEmulator/Global.Engine.Context.cpp
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@ -148,10 +148,6 @@ static bool SetAVXContext(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_t* titconte
if(InitXState() == false) if(InitXState() == false)
return false; return false;
DWORD64 FeatureMask = _GetEnabledXStateFeatures();
if((FeatureMask & XSTATE_MASK_AVX) == 0)
return false;
DWORD ContextSize = 0; DWORD ContextSize = 0;
BOOL Success = _InitializeContext(NULL, BOOL Success = _InitializeContext(NULL,
CONTEXT_ALL | CONTEXT_XSTATE, CONTEXT_ALL | CONTEXT_XSTATE,
@ -176,11 +172,15 @@ static bool SetAVXContext(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_t* titconte
return false; return false;
if(_SetXStateFeaturesMask(Context, XSTATE_MASK_AVX) == FALSE) if(_SetXStateFeaturesMask(Context, XSTATE_MASK_AVX) == FALSE)
return false; {
if(_SetXStateFeaturesMask(Context, XSTATE_MASK_LEGACY_SSE) == FALSE)
return false;
}
if(GetThreadContext(hActiveThread, Context) == FALSE) if(GetThreadContext(hActiveThread, Context) == FALSE)
return false; return false;
DWORD64 FeatureMask = 0;
if(_GetXStateFeaturesMask(Context, &FeatureMask) == FALSE) if(_GetXStateFeaturesMask(Context, &FeatureMask) == FALSE)
return false; return false;
@ -209,10 +209,6 @@ static bool GetAVXContext(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_t* titconte
if(InitXState() == false) if(InitXState() == false)
return false; return false;
DWORD64 FeatureMask = _GetEnabledXStateFeatures();
if((FeatureMask & XSTATE_MASK_AVX) == 0)
return false;
DWORD ContextSize = 0; DWORD ContextSize = 0;
BOOL Success = _InitializeContext(NULL, BOOL Success = _InitializeContext(NULL,
CONTEXT_ALL | CONTEXT_XSTATE, CONTEXT_ALL | CONTEXT_XSTATE,
@ -237,11 +233,15 @@ static bool GetAVXContext(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_t* titconte
return false; return false;
if(_SetXStateFeaturesMask(Context, XSTATE_MASK_AVX) == FALSE) if(_SetXStateFeaturesMask(Context, XSTATE_MASK_AVX) == FALSE)
return false; {
if(_SetXStateFeaturesMask(Context, XSTATE_MASK_LEGACY_SSE) == FALSE)
return false;
}
if(GetThreadContext(hActiveThread, Context) == FALSE) if(GetThreadContext(hActiveThread, Context) == FALSE)
return false; return false;
DWORD64 FeatureMask = 0;
if(_GetXStateFeaturesMask(Context, &FeatureMask) == FALSE) if(_GetXStateFeaturesMask(Context, &FeatureMask) == FALSE)
return false; return false;