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Merge pull request #22 from torusrxxx/AVX512 

Add support for AVX512
This commit is contained in:
Duncan Ogilvie 2025-03-30 12:44:51 +02:00 committed by GitHub
parent 49f59781da 1aae30c447
commit 2674540368
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GPG Key ID: B5690EEEBB952194
4 changed files with 239 additions and 0 deletions
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18
SDK/C/TitanEngine.h
View File

@ -603,6 +603,12 @@ typedef struct
XmmRegister_t High; //AVX part
} YmmRegister_t;
typedef struct
{
YmmRegister_t Low; //AVX part
YmmRegister_t High; //AVX-512 part
} ZmmRegister_t;
typedef struct
{
BYTE data[10];
@ -668,6 +674,16 @@ typedef struct
#endif
} TITAN_ENGINE_CONTEXT_t;
typedef struct
{
#ifdef _WIN64
ZmmRegister_t ZmmRegisters[32];
#else // x86
ZmmRegister_t ZmmRegisters[8];
#endif
ULONGLONG Opmask[8];
} TITAN_ENGINE_CONTEXT_AVX512_t;
#ifdef __cplusplus
extern "C"
{
@ -859,6 +875,8 @@ __declspec(dllexport) bool TITCALL SetContextDataEx(HANDLE hActiveThread, DWORD
__declspec(dllexport) bool TITCALL SetContextData(DWORD IndexOfRegister, ULONG_PTR NewRegisterValue);
__declspec(dllexport) bool TITCALL GetAVXContext(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_t* titcontext);
__declspec(dllexport) bool TITCALL SetAVXContext(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_t* titcontext);
__declspec(dllexport) bool TITCALL GetAVX512Context(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_AVX512_t* titcontext);
__declspec(dllexport) bool TITCALL SetAVX512Context(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_AVX512_t* titcontext);
__declspec(dllexport) void TITCALL ClearExceptionNumber();
__declspec(dllexport) long TITCALL CurrentExceptionNumber();
__declspec(dllexport) bool TITCALL MatchPatternEx(HANDLE hProcess, void* MemoryToCheck, int SizeOfMemoryToCheck, void* PatternToMatch, int SizeOfPatternToMatch, PBYTE WildCard);

203
TitanEngine/TitanEngine.Debugger.Context.cpp
View File

@ -1043,3 +1043,206 @@ __declspec(dllexport) bool TITCALL GetAVXContext(HANDLE hActiveThread, TITAN_ENG
return true;
}
// AVX-512 constants
#ifndef XSTATE_MASK_AVX512
#define XSTATE_AVX512_KMASK (5)
#define XSTATE_AVX512_ZMM_H (6)
#define XSTATE_AVX512_ZMM (7)
#define XSTATE_MASK_AVX512 ((1ui64 << (XSTATE_AVX512_KMASK)) | \
(1ui64 << (XSTATE_AVX512_ZMM_H)) | \
(1ui64 << (XSTATE_AVX512_ZMM)))
#endif
static bool SetAVX512ContextFallbackToAVX(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_AVX512_t* titcontext) {
// Fall back to using AVX and ignore the rest
TITAN_ENGINE_CONTEXT_t Avx;
memset(&Avx, 0, sizeof(Avx));
for (int i = 0; i < _countof(Avx.YmmRegisters); i++) {
Avx.YmmRegisters[i] = titcontext->ZmmRegisters[i].Low;
}
return SetAVXContext(hActiveThread, &Avx);
}
__declspec(dllexport) bool TITCALL SetAVX512Context(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_AVX512_t* titcontext)
{
if (InitXState() == false)
return false;
DWORD64 FeatureMask = _GetEnabledXStateFeatures();
if ((FeatureMask & XSTATE_MASK_AVX512) == 0)
return SetAVX512ContextFallbackToAVX(hActiveThread, titcontext);
DWORD ContextSize = 0;
BOOL Success = _InitializeContext(NULL,
CONTEXT_ALL | CONTEXT_XSTATE,
NULL,
&ContextSize);
if ((Success == TRUE) || (GetLastError() != ERROR_INSUFFICIENT_BUFFER))
return false;
DynBuf dataBuffer(ContextSize);
PVOID Buffer = dataBuffer.GetPtr();
if (Buffer == NULL)
return false;
PCONTEXT Context;
Success = _InitializeContext(Buffer,
CONTEXT_ALL | CONTEXT_XSTATE,
&Context,
&ContextSize);
if (Success == FALSE)
return false;
if (_SetXStateFeaturesMask(Context, XSTATE_MASK_AVX | XSTATE_MASK_AVX512) == FALSE)
return SetAVX512ContextFallbackToAVX(hActiveThread, titcontext);
if (GetThreadContext(hActiveThread, Context) == FALSE)
return false;
if (_GetXStateFeaturesMask(Context, &FeatureMask) == FALSE)
return false;
DWORD FeatureLengthSse;
DWORD FeatureLengthAvx;
DWORD FeatureLengthAvx512_KMASK;
DWORD FeatureLengthAvx512_ZMM_H;
DWORD FeatureLengthAvx512_ZMM;
XmmRegister_t* Sse = (XmmRegister_t*)_LocateXStateFeature(Context, XSTATE_LEGACY_SSE, &FeatureLengthSse);
XmmRegister_t* Avx = (XmmRegister_t*)_LocateXStateFeature(Context, XSTATE_AVX, &FeatureLengthAvx);
ULONGLONG* Avx512_KMASK = (ULONGLONG*)_LocateXStateFeature(Context, XSTATE_AVX512_KMASK, &FeatureLengthAvx512_KMASK);
ZmmRegister_t* Avx512_ZMM = (ZmmRegister_t *)_LocateXStateFeature(Context, XSTATE_AVX512_ZMM, &FeatureLengthAvx512_ZMM);
YmmRegister_t* Avx512_ZMM_H = (YmmRegister_t *)_LocateXStateFeature(Context, XSTATE_AVX512_ZMM_H, &FeatureLengthAvx512_ZMM_H);
if (Sse != NULL) //If the feature is unsupported by the processor it will return NULL
{
for (int i = 0; i < MIN(FeatureLengthSse / sizeof(XmmRegister_t), _countof(titcontext->ZmmRegisters)); i++)
Sse[i] = titcontext->ZmmRegisters[i].Low.Low;
}
if (Avx != NULL) //If the feature is unsupported by the processor it will return NULL
{
for (int i = 0; i < MIN(FeatureLengthAvx / sizeof(XmmRegister_t), _countof(titcontext->ZmmRegisters)); i++)
Avx[i] = titcontext->ZmmRegisters[i].Low.High;
}
if (Avx512_ZMM_H != NULL) //If the feature is unsupported by the processor it will return NULL
{
for (int i = 0; i < MIN(FeatureLengthAvx512_ZMM_H / sizeof(YmmRegister_t), _countof(titcontext->ZmmRegisters)); i++)
Avx512_ZMM_H[i] = titcontext->ZmmRegisters[i].High;
}
if (Avx512_ZMM != NULL) //If the feature is unsupported by the processor it will return NULL
{
for (int i = 0; i < MIN(FeatureLengthAvx512_ZMM / sizeof(ZmmRegister_t), _countof(titcontext->ZmmRegisters) - FeatureLengthAvx / sizeof(XmmRegister_t)); i++)
Avx512_ZMM[i] = titcontext->ZmmRegisters[i + FeatureLengthAvx / sizeof(XmmRegister_t)];
}
if (Avx512_KMASK != NULL) //If the feature is unsupported by the processor it will return NULL
{
for (int i = 0; i < MIN(FeatureLengthAvx512_KMASK / sizeof(ULONGLONG), _countof(titcontext->Opmask)); i++)
Avx512_KMASK[i] = titcontext->Opmask[i];
}
return (SetThreadContext(hActiveThread, Context) == TRUE);
}
static bool GetAVX512ContextFallbackToAVX(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_AVX512_t* titcontext)
{
// Fall back to using AVX and fill the rest with 0
TITAN_ENGINE_CONTEXT_t Avx;
memset(&Avx, 0, sizeof(Avx));
if (GetAVXContext(hActiveThread, &Avx)) {
for (int i = 0; i < _countof(Avx.YmmRegisters); i++)
titcontext->ZmmRegisters[i].Low = Avx.YmmRegisters[i];
return true;
}
else {
return false;
}
}
__declspec(dllexport) bool TITCALL GetAVX512Context(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_AVX512_t* titcontext)
{
if (InitXState() == false)
return false;
DWORD64 FeatureMask = _GetEnabledXStateFeatures();
if ((FeatureMask & XSTATE_MASK_AVX512) == 0) //XSTATE_MASK_AVX512
return GetAVX512ContextFallbackToAVX(hActiveThread, titcontext);
DWORD ContextSize = 0;
BOOL Success = _InitializeContext(NULL,
CONTEXT_ALL | CONTEXT_XSTATE,
NULL,
&ContextSize);
if ((Success == TRUE) || (GetLastError() != ERROR_INSUFFICIENT_BUFFER))
return false;
DynBuf dataBuffer(ContextSize);
PVOID Buffer = dataBuffer.GetPtr();
if (Buffer == NULL)
return false;
PCONTEXT Context;
Success = _InitializeContext(Buffer,
CONTEXT_ALL | CONTEXT_XSTATE,
&Context,
&ContextSize);
if (Success == FALSE)
return false;
if (_SetXStateFeaturesMask(Context, XSTATE_MASK_AVX | XSTATE_MASK_AVX512) == FALSE)
return GetAVX512ContextFallbackToAVX(hActiveThread, titcontext);
if (GetThreadContext(hActiveThread, Context) == FALSE)
return false;
if (_GetXStateFeaturesMask(Context, &FeatureMask) == FALSE)
return false;
DWORD FeatureLengthSse;
DWORD FeatureLengthAvx;
DWORD FeatureLengthAvx512_KMASK;
DWORD FeatureLengthAvx512_ZMM_H;
DWORD FeatureLengthAvx512_ZMM;
XmmRegister_t* Sse = (XmmRegister_t*)_LocateXStateFeature(Context, XSTATE_LEGACY_SSE, &FeatureLengthSse);
XmmRegister_t* Avx = (XmmRegister_t*)_LocateXStateFeature(Context, XSTATE_AVX, &FeatureLengthAvx);
ULONGLONG* Avx512_KMASK = (ULONGLONG*)_LocateXStateFeature(Context, XSTATE_AVX512_KMASK, &FeatureLengthAvx512_KMASK);
ZmmRegister_t* Avx512_ZMM = (ZmmRegister_t *)_LocateXStateFeature(Context, XSTATE_AVX512_ZMM, &FeatureLengthAvx512_ZMM);
YmmRegister_t* Avx512_ZMM_H = (YmmRegister_t *)_LocateXStateFeature(Context, XSTATE_AVX512_ZMM_H, &FeatureLengthAvx512_ZMM_H);
if (Sse != NULL) //If the feature is unsupported by the processor it will return NULL
{
for (int i = 0; i < MIN(FeatureLengthSse / sizeof(XmmRegister_t), _countof(titcontext->ZmmRegisters)); i++)
titcontext->ZmmRegisters[i].Low.Low = Sse[i];
}
if (Avx != NULL) //If the feature is unsupported by the processor it will return NULL
{
for (int i = 0; i < MIN(FeatureLengthAvx / sizeof(XmmRegister_t), _countof(titcontext->ZmmRegisters)); i++)
titcontext->ZmmRegisters[i].Low.High = Avx[i];
}
if (Avx512_ZMM_H != NULL) //If the feature is unsupported by the processor it will return NULL
{
for (int i = 0; i < MIN(FeatureLengthAvx512_ZMM_H / sizeof(YmmRegister_t), _countof(titcontext->ZmmRegisters)); i++)
titcontext->ZmmRegisters[i].High = Avx512_ZMM_H[i];
}
if (Avx512_ZMM != NULL) //If the feature is unsupported by the processor it will return NULL
{
for (int i = 0; i < MIN(FeatureLengthAvx512_ZMM / sizeof(ZmmRegister_t), _countof(titcontext->ZmmRegisters) - FeatureLengthAvx / sizeof(XmmRegister_t)); i++)
titcontext->ZmmRegisters[i + FeatureLengthAvx / sizeof(XmmRegister_t)] = Avx512_ZMM[i];
}
if (Avx512_KMASK != NULL) //If the feature is unsupported by the processor it will return NULL
{
for (int i = 0; i < MIN(FeatureLengthAvx512_KMASK / sizeof(ULONGLONG), _countof(titcontext->Opmask)); i++)
titcontext->Opmask[i] = Avx512_KMASK[i];
}
return true;
}

2
TitanEngine/definitions.h
View File

@ -189,6 +189,8 @@ __declspec(dllexport) ULONG_PTR TITCALL GetContextDataEx(HANDLE hActiveThread, D
__declspec(dllexport) ULONG_PTR TITCALL GetContextData(DWORD IndexOfRegister);
__declspec(dllexport) bool TITCALL SetAVXContext(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_t* titcontext);
__declspec(dllexport) bool TITCALL GetAVXContext(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_t* titcontext);
__declspec(dllexport) bool TITCALL GetAVX512Context(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_AVX512_t* titcontext);
__declspec(dllexport) bool TITCALL SetAVX512Context(HANDLE hActiveThread, TITAN_ENGINE_CONTEXT_AVX512_t* titcontext);
__declspec(dllexport) bool TITCALL SetContextFPUDataEx(HANDLE hActiveThread, void* FPUSaveArea);
__declspec(dllexport) bool TITCALL SetContextDataEx(HANDLE hActiveThread, DWORD IndexOfRegister, ULONG_PTR NewRegisterValue);
__declspec(dllexport) bool TITCALL SetContextData(DWORD IndexOfRegister, ULONG_PTR NewRegisterValue);

16
TitanEngine/stdafx.h
View File

@ -125,6 +125,12 @@ typedef struct
XmmRegister_t High; //AVX part
} YmmRegister_t;
typedef struct
{
YmmRegister_t Low; //AVX part
YmmRegister_t High; //AVX-512 part
} ZmmRegister_t;
typedef struct
{
BYTE data[10];
@ -190,6 +196,16 @@ typedef struct
#endif
} TITAN_ENGINE_CONTEXT_t;
typedef struct
{
#ifdef _WIN64
ZmmRegister_t ZmmRegisters[32];
#else // x86
ZmmRegister_t ZmmRegisters[8];
#endif
ULONGLONG Opmask[8];
} TITAN_ENGINE_CONTEXT_AVX512_t;
typedef struct
{
ULONG_PTR BreakPointAddress;