qemu

FORK: QEMU emulator
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syscall-trace.h (1310B)


      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 */