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