mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
51 lines
2.0 KiB
C
51 lines
2.0 KiB
C
/* Copyright (C) 1991-1993, 96, 98, 2003, 2012 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/generic/sysdep.h>
|
|
|
|
#include <sys/syscall.h>
|
|
#define HAVE_SYSCALLS
|
|
|
|
/* Note that using a `PASTE' macro loses. */
|
|
#define SYSCALL__(name, args) PSEUDO (__##name, name, args)
|
|
#define SYSCALL(name, args) PSEUDO (name, name, args)
|
|
|
|
/* Machine-dependent sysdep.h files are expected to define the macro
|
|
PSEUDO (function_name, syscall_name) to emit assembly code to define the
|
|
C-callable function FUNCTION_NAME to do system call SYSCALL_NAME.
|
|
r0 and r1 are the system call outputs. MOVE(x, y) should be defined as
|
|
an instruction such that "MOVE(r1, r0)" works. ret should be defined
|
|
as the return instruction. */
|
|
|
|
#define SYS_ify(syscall_name) SYS_##syscall_name
|
|
|
|
/* Terminate a system call named SYM. This is used on some platforms
|
|
to generate correct debugging information. */
|
|
#ifndef PSEUDO_END
|
|
#define PSEUDO_END(sym)
|
|
#endif
|
|
#ifndef PSEUDO_END_NOERRNO
|
|
#define PSEUDO_END_NOERRNO(sym) PSEUDO_END(sym)
|
|
#endif
|
|
#ifndef PSEUDO_END_ERRVAL
|
|
#define PSEUDO_END_ERRVAL(sym) PSEUDO_END(sym)
|
|
#endif
|
|
|
|
/* Wrappers around system calls should normally inline the system call code.
|
|
But sometimes it is not possible or implemented and we use this code. */
|
|
#define INLINE_SYSCALL(name, nr, args...) __syscall_##name (args)
|