1 /* 2 * Common System Call Tracing Wrappers for *-user 3 * 4 * Copyright (c) 2019 Linaro 5 * Written by Alex Bennée <alex.bennee@linaro.org> 6 * 7 * SPDX-License-Identifier: GPL-2.0-or-later 8 */ 9 10 #ifndef _SYSCALL_TRACE_H_ 11 #define _SYSCALL_TRACE_H_ 12 13 /* 14 * These helpers just provide a common place for the various 15 * subsystems that want to track syscalls to put their hooks in. We 16 * could potentially unify the -strace code here as well. 17 */ 18 19 static inline void record_syscall_start(void *cpu, int num, 20 abi_long arg1, abi_long arg2, 21 abi_long arg3, abi_long arg4, 22 abi_long arg5, abi_long arg6, 23 abi_long arg7, abi_long arg8) 24 { 25 trace_guest_user_syscall(cpu, num, 26 arg1, arg2, arg3, arg4, 27 arg5, arg6, arg7, arg8); 28 qemu_plugin_vcpu_syscall(cpu, num, 29 arg1, arg2, arg3, arg4, 30 arg5, arg6, arg7, arg8); 31 } 32 33 static inline void record_syscall_return(void *cpu, int num, abi_long ret) 34 { 35 trace_guest_user_syscall_ret(cpu, num, ret); 36 qemu_plugin_vcpu_syscall_ret(cpu, num, ret); 37 } 38 39 40 #endif /* _SYSCALL_TRACE_H_ */ 41