1  /* Copyright (C) 1991-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <sysdeps/unix/sysdep.h>
      19  #include <sysdeps/x86_64/sysdep.h>
      20  
      21  #ifdef	__ASSEMBLER__
      22  
      23  /* This is defined as a separate macro so that other sysdep.h files
      24     can include this one and then redefine DO_CALL.  */
      25  
      26  #define DO_CALL(syscall_name, args)					      \
      27    lea SYS_ify (syscall_name), %rax;					      \
      28    syscall
      29  
      30  #define	r0		%rax	/* Normal return-value register.  */
      31  #define	r1		%rbx	/* Secondary return-value register.  */
      32  #define MOVE(x,y)	movq x, y
      33  
      34  #endif	/* __ASSEMBLER__ */