4 * Copyright (c) 2018 The strace developers.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #ifndef STRACE_RAW_SYSCALL_H
31 #define STRACE_RAW_SYSCALL_H
33 # include "kernel_types.h"
35 static inline kernel_ulong_t
36 raw_syscall_0(const kernel_ulong_t nr, kernel_ulong_t *err)
38 register kernel_ulong_t r0 __asm__("r0") = nr;
39 register kernel_ulong_t r3 __asm__("r3");
40 __asm__ __volatile__("sc\n\t"
44 : "memory", "cr0", "ctr", "lr",
45 "r4", "r5", "r6", "r7", "r8",
46 "r9", "r10", "r11", "r12");
47 *err = !!(r0 & 0x10000000);
50 # define raw_syscall_0 raw_syscall_0
52 #endif /* !STRACE_RAW_SYSCALL_H */