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/*
* Raw syscalls.
*
* Copyright (c) 2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifndef STRACE_RAW_SYSCALL_H
# define STRACE_RAW_SYSCALL_H
# include "kernel_types.h"
static inline kernel_ulong_t
raw_syscall_0(const kernel_ulong_t nr, kernel_ulong_t *err)
{
register kernel_ulong_t r0 __asm__("r0") = nr;
register kernel_ulong_t r3 __asm__("r3");
__asm__ __volatile__("sc\n\t"
"mfcr %0"
: "+r"(r0), "=r"(r3)
:
: "memory", "cr0", "ctr", "lr",
"r4", "r5", "r6", "r7", "r8",
"r9", "r10", "r11", "r12");
*err = !!(r0 & 0x10000000);
return r3;
}
# define raw_syscall_0 raw_syscall_0
#endif /* !STRACE_RAW_SYSCALL_H */
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