C / C++ / MFC

		__asm<br />
		{<br />
			push eax<br />
			push edi<br />
<br />
			push es<br />
			push ecx<br />
<br />
			// EDI = &m_StartExceptionContext<br />
			mov edi, [this]<br />
			add edi, [m_StartExceptionContext]<br />
			// ES = DS<br />
			push ds<br />
			pop es<br />
			// ECX = sizeof(m_StartExceptionContext)<br />
			mov ecx, size m_StartExceptionContext<br />
			// EAX = 0<br />
			xor eax, eax<br />
			// store EDI<br />
			push edi<br />
			// ZeroMemory(&m_StartExceptionContext, sizeof(m_StartExceptionContext))<br />
			cld<br />
			rep stosb<br />
			// restore EDI<br />
			pop edi<br />
<br />
			pop ecx<br />
			pop es<br />
<br />
			// fill m_StartExceptionContext<br />
			mov dword ptr [edi] CONTEXT.ContextFlags, CONTEXT_FULL<br />
			mov dword ptr [edi] CONTEXT.Eax, eax<br />
			mov dword ptr [edi] CONTEXT.Ecx, ecx<br />
			mov dword ptr [edi] CONTEXT.Edx, edx<br />
			mov dword ptr [edi] CONTEXT.Ebx, ebx<br />
			mov dword ptr [edi] CONTEXT.Esi, esi<br />
			mov dword ptr [edi] CONTEXT.Edi, edi<br />
			mov word ptr [edi] CONTEXT.SegSs, ss<br />
			mov word ptr [edi] CONTEXT.SegCs, cs<br />
			mov word ptr [edi] CONTEXT.SegDs, ds<br />
			mov word ptr [edi] CONTEXT.SegEs, es<br />
			mov word ptr [edi] CONTEXT.SegFs, fs<br />
			mov word ptr [edi] CONTEXT.SegGs, gs<br />
			// m_StartExceptionContext.EFlags = flags<br />
			pushfd<br />
			pop [edi] CONTEXT.EFlags<br />
			// extract caller's EBP, IP (return address) and ESP<br />
			mov eax, [ebp]<br />
			mov dword ptr [edi] CONTEXT.Ebp, eax<br />
			mov eax, [ebp + 4]<br />
			mov dword ptr [edi] CONTEXT.Eip, eax<br />
			lea eax, [ebp + 8]<br />
			mov dword ptr [edi] CONTEXT.Esp, eax<br />
<br />
			pop edi<br />
			pop eax<br />
		}<br />
	}