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 "qemu/plugin.h" 15 #include "trace/trace-root.h" 16 17 /* 18 * These helpers just provide a common place for the various 19 * subsystems that want to track syscalls to put their hooks in. We 20 * could potentially unify the -strace code here as well. 21 */ 22 23 static inline void record_syscall_start(void *cpu, int num, 24 abi_long arg1, abi_long arg2, 25 abi_long arg3, abi_long arg4, 26 abi_long arg5, abi_long arg6, 27 abi_long arg7, abi_long arg8) 28 { 29 trace_guest_user_syscall(cpu, num, 30 arg1, arg2, arg3, arg4, 31 arg5, arg6, arg7, arg8); 32 qemu_plugin_vcpu_syscall(cpu, num, 33 arg1, arg2, arg3, arg4, 34 arg5, arg6, arg7, arg8); 35 } 36 37 static inline void record_syscall_return(void *cpu, int num, abi_long ret) 38 { 39 trace_guest_user_syscall_ret(cpu, num, ret); 40 qemu_plugin_vcpu_syscall_ret(cpu, num, ret); 41 } 42 43 44 #endif /* SYSCALL_TRACE_H */ 45