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 "user/abitypes.h"
14 #include "gdbstub/user.h"
15 #include "qemu/plugin.h"
16 #include "trace/trace-root.h"
17
18 /*
19 * These helpers just provide a common place for the various
20 * subsystems that want to track syscalls to put their hooks in. We
21 * could potentially unify the -strace code here as well.
22 */
23
record_syscall_start(CPUState * 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)24 static inline void record_syscall_start(CPUState *cpu, int num,
25 abi_long arg1, abi_long arg2,
26 abi_long arg3, abi_long arg4,
27 abi_long arg5, abi_long arg6,
28 abi_long arg7, abi_long arg8)
29 {
30 qemu_plugin_vcpu_syscall(cpu, num,
31 arg1, arg2, arg3, arg4,
32 arg5, arg6, arg7, arg8);
33 gdb_syscall_entry(cpu, num);
34 }
35
record_syscall_return(CPUState * cpu,int num,abi_long ret)36 static inline void record_syscall_return(CPUState *cpu, int num, abi_long ret)
37 {
38 qemu_plugin_vcpu_syscall_ret(cpu, num, ret);
39 gdb_syscall_return(cpu, num);
40 }
41
42
43 #endif /* SYSCALL_TRACE_H */
44