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 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 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