glibc/sysdeps/unix/x86_64/sysdep.h

35 lines
1.2 KiB
C

/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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, see
<http://www.gnu.org/licenses/>. */
#include <sysdeps/unix/sysdep.h>
#include <sysdeps/x86_64/sysdep.h>
#ifdef __ASSEMBLER__
/* This is defined as a separate macro so that other sysdep.h files
can include this one and then redefine DO_CALL. */
#define DO_CALL(syscall_name, args) \
lea SYS_ify (syscall_name), %rax; \
syscall
#define r0 %rax /* Normal return-value register. */
#define r1 %rbx /* Secondary return-value register. */
#define MOVE(x,y) movq x, y
#endif /* __ASSEMBLER__ */