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 #include "trace/trace-root.h"
14
15 /*
16 * These helpers just provide a common place for the various
17 * subsystems that want to track syscalls to put their hooks in. We
18 * could potentially unify the -strace code here as well.
19 */
20
record_syscall_start(void * cpu,int num,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5,abi_long arg6,abi_long arg7,abi_long arg8)21 static inline void record_syscall_start(void *cpu, int num,
22 abi_long arg1, abi_long arg2,
23 abi_long arg3, abi_long arg4,
24 abi_long arg5, abi_long arg6,
25 abi_long arg7, abi_long arg8)
26 {
27 trace_guest_user_syscall(cpu, num,
28 arg1, arg2, arg3, arg4,
29 arg5, arg6, arg7, arg8);
30 qemu_plugin_vcpu_syscall(cpu, num,
31 arg1, arg2, arg3, arg4,
32 arg5, arg6, arg7, arg8);
33 }
34
record_syscall_return(void * cpu,int num,abi_long ret)35 static inline void record_syscall_return(void *cpu, int num, abi_long ret)
36 {
37 trace_guest_user_syscall_ret(cpu, num, ret);
38 qemu_plugin_vcpu_syscall_ret(cpu, num, ret);
39 }
40
41
42 #endif /* _SYSCALL_TRACE_H_ */
43