include/user/syscall-trace.h

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