compiled Community.CsharpSqlite.dll for target AnyCPU, added source code

Community.CsharpSqlite/src/hwtime_c.cs

@@ -0,0 +1,103 @@
+namespace Community.CsharpSqlite
+{
+  using sqlite_u3264 = System.UInt64;
+
+  public partial class Sqlite3
+  {
+    /*
+    ** 2008 May 27
+    **
+    ** The author disclaims copyright to this source code.  In place of
+    ** a legal notice, here is a blessing:
+    **
+    **    May you do good and not evil.
+    **    May you find forgiveness for yourself and forgive others.
+    **    May you share freely, never taking more than you give.
+    **
+    ******************************************************************************
+    **
+    ** This file contains inline asm code for retrieving "high-performance"
+    ** counters for x86 class CPUs.
+    **
+    ** $Id: hwtime.h,v 1.3 2008/08/01 14:33:15 shane Exp $
+    **
+    *************************************************************************
+    **  Included in SQLite3 port to C#-SQLite;  2008 Noah B Hart
+    **  C#-SQLite is an independent reimplementation of the SQLite software library
+    **
+    *************************************************************************
+    */
+    //#if !_HWTIME_H_
+    //#define _HWTIME_H_
+
+    /*
+    ** The following routine only works on pentium-class (or newer) processors.
+    ** It uses the RDTSC opcode to read the cycle count value out of the
+    ** processor and returns that value.  This can be used for high-res
+    ** profiling.
+    */
+#if ((__GNUC__) || (_MSC_VER)) &&       ((i386) || (__i386__) || (_M_IX86))
+
+#if (__GNUC__)
+
+__inline__ sqlite_u3264 sqlite3Hwtime(void){
+unsigned int lo, hi;
+__asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi));
+return (sqlite_u3264)hi << 32 | lo;
+}
+
+#elif  (_MSC_VER)
+
+__declspec(naked) __inline sqlite_u3264 __cdecl sqlite3Hwtime(void){
+__asm {
+rdtsc
+ret       ; return value at EDX:EAX
+}
+}
+
+#endif
+
+#elif ((__GNUC__) && (__x86_64__))
+
+__inline__ sqlite_u3264 sqlite3Hwtime(void){
+unsigned long val;
+__asm__ __volatile__ ("rdtsc" : "=A" (val));
+return val;
+}
+
+#elif ( (__GNUC__) &&  (__ppc__))
+
+__inline__ sqlite_u3264 sqlite3Hwtime(void){
+unsigned long long retval;
+unsigned long junk;
+__asm__ __volatile__ ("\n\
+1:      mftbu   %1\n\
+mftb    %L0\n\
+mftbu   %0\n\
+cmpw    %0,%1\n\
+bne     1b"
+: "=r" (retval), "=r" (junk));
+return retval;
+}
+
+#else
+
+    //#error Need implementation of sqlite3Hwtime() for your platform.
+
+    /*
+    ** To compile without implementing sqlite3Hwtime() for your platform,
+    ** you can remove the above #error and use the following
+    ** stub function.  You will lose timing support for many
+    ** of the debugging and testing utilities, but it should at
+    ** least compile and run.
+    */
+    static sqlite_u3264 sqlite3Hwtime()
+    {
+      return (sqlite_u3264)System.DateTime.Now.Ticks;
+    }// (sqlite_u3264)0 ); }
+
+#endif
+
+    //#endif //* !_HWTIME_H_) */
+  }
+}