Breakpoint Hooking Problem

 
bool bpSetHooks(void)
{
	if (!pExceptionHandler || !bpBackupRegisters())
		return false;
 
	CONTEXT ctx = { CONTEXT_DEBUG_REGISTERS };
 
	// Register #1
	ctx.Dr0 = gBreakPoints.bp[0].dwAddr;
	ctx.Dr7 = 0x00000001;
 
	// Register #2
	ctx.Dr1 = gBreakPoints.bp[1].dwAddr;
	ctx.Dr7 |= 0x00000004;
 
	// Register #3
	ctx.Dr2 = gBreakPoints.bp[2].dwAddr;
	ctx.Dr7 |= 0x00000010;
 
	// Register #4
	ctx.Dr3 = gBreakPoints.bp[3].dwAddr;
	ctx.Dr7 |= 0x00000040;	
	return (SetThreadContext(gBreakPoints.hThread, &ctx) == TRUE);
 
	return true;
}