PortDefs.h
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上传日期:2022-05-23
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- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef PORT_DEFS_H
- #define PORT_DEFS_H
- /*
- This file contains varoius declarations/definitions needed in the port of AXEVM to NT, as well as backporting
- to Solaris...
- $Id: PortDefs.h,v 1.5 2003/10/07 07:59:59 mikael Exp $
- */
- #ifdef NDB_ALPHA
- #ifdef NDB_GCC /* only for NDB_ALPHA */
- extern int gnuShouldNotUseRPCC();
- #define RPCC() gnuShouldNotUseRPCC();
- #else
- #define RPCC() ((int)__asm(" rpcc v0;"))
- #define MB() __asm(" mb;");
- #define WMB() __asm(" wmb;");
- #ifdef USE_INITIALSP
- #define IS_IP() (__asm(" mov sp,v0;") < IPinitialSP)
- #else /* USE_INITIALSP */
- #define IS_IP() (((__asm(" rpcc v0;") >> 32) & 0x7) == IP_CPU)
- #endif
- #endif /* NDB_GCC */
- #else /* NDB_ALPHA */
- #if defined NDB_SPARC
- #define MB() asm ("membar 0x0;"); /* LoadLoad */
- #define WMB() asm ("membar 0x3;"); /* StoreStore */
- #else /* NDB_SPARC */
- #define MB()
- #define WMB()
- #endif /* NDB_SPARC */
- #define IS_IP() (1==1)
- extern int shouldNotUseRPCC();
- #define RPCC() shouldNotUseRPCC();
- #endif /* NDB_ALPHA */
- #endif