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 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 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