diff options
Diffstat (limited to 'lib/libc/aarch64/SYS.h')
| -rw-r--r-- | lib/libc/aarch64/SYS.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/lib/libc/aarch64/SYS.h b/lib/libc/aarch64/SYS.h new file mode 100644 index 000000000000..e0be59d3cddb --- /dev/null +++ b/lib/libc/aarch64/SYS.h @@ -0,0 +1,63 @@ +/*- + * Copyright (c) 2014 Andrew Turner + * Copyright (c) 2015 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Andrew Turner under + * sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/syscall.h> +#include <machine/asm.h> + +#define _SYSCALL(name) \ + mov x8, SYS_ ## name; \ + svc 0 + +#define SYSCALL(name) \ +ENTRY(__sys_##name); \ + WEAK_REFERENCE(__sys_##name, name); \ + WEAK_REFERENCE(__sys_##name, _##name); \ + _SYSCALL(name); \ + ret; \ +END(__sys_##name) + +#define PSEUDO(name) \ +ENTRY(__sys_##name); \ + WEAK_REFERENCE(__sys_##name, _##name); \ + _SYSCALL(name); \ + b.cs cerror; \ + ret; \ +END(__sys_##name) + +#define RSYSCALL(name) \ +ENTRY(__sys_##name); \ + WEAK_REFERENCE(__sys_##name, name); \ + WEAK_REFERENCE(__sys_##name, _##name); \ + _SYSCALL(name); \ + b.cs cerror; \ + ret; \ +END(__sys_##name) |