glibc/sysdeps/unix/i386/sysdep.h

36 lines
1.3 KiB
C

/* Copyright (C) 1991-2016 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/i386/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), %eax; \
lcall $7, $0
#define r0 %eax /* Normal return-value register. */
#define r1 %edx /* Secondary return-value register. */
#define scratch %ecx /* Call-clobbered register for random use. */
#define MOVE(x,y) movl x, y
#endif /* __ASSEMBLER__ */