Subversion Repositories hf-risc

/* copyright (c) 1997, 1998, 2002, 2003, 2004, 2005

   Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ralf Baechle <ralf@gnu.org>.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#ifndef _SYS_ASM_H

#define _SYS_ASM_H

/*

 * Macros to handle different pointer/register sizes for 32/64-bit code

 */

#ifdef __riscv64

# define PTR .dword

# define PTRLOG 3

# define SZREG  8

# define REG_S sd

# define REG_L ld

#else

# define PTR .word

# define PTRLOG 2

# define SZREG  4

# define REG_S sw

# define REG_L lw

#endif

/*

 * LEAF - declare leaf routine

 */

#define LEAF(symbol)    \

                .globl  symbol;                         \

                .align  2;                              \

                .type   symbol,@function;               \

symbol:

/*

 * NESTED - declare nested routine entry point

 */

#define NESTED(symbol, framesize, rpc) LEAF(symbol)

/*

 * END - mark end of function

 */

#ifndef END

# define END(function)                                   \

                .size   function,.-function

#endif

/*

 * Stack alignment

 */

#define ALSZ    15

#define ALMASK  ~15

#endif /* sys/asm.h */