Re: [PATCH] linux-user: Add strace support for printing arguments of llseek

[Laurent Vivier]

Le 12/05/2021 à 12:13, Kito Cheng a écrit :
> Some target are using llseek instead of _llseek like riscv,
> nios2, hexagon, and openrisc.
> 
> Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
> ---
>  linux-user/strace.c    | 3 ++-
>  linux-user/strace.list | 3 +++
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/linux-user/strace.c b/linux-user/strace.c
> index e969121b6c..4ebf85b063 100644
> --- a/linux-user/strace.c
> +++ b/linux-user/strace.c
> @@ -2335,7 +2335,7 @@ print_linkat(void *cpu_env, const struct syscallname 
> *name,
>  }
>  #endif
>  
> -#ifdef TARGET_NR__llseek
> +#if defined(TARGET_NR__llseek) || defined(TARGET_NR_llseek)
>  static void
>  print__llseek(void *cpu_env, const struct syscallname *name,
>                abi_long arg0, abi_long arg1, abi_long arg2,
> @@ -2355,6 +2355,7 @@ print__llseek(void *cpu_env, const struct syscallname 
> *name,
>      qemu_log("%s", whence);
>      print_syscall_epilogue(name);
>  }
> +#define print_llseek print__llseek
>  #endif
>  
>  #ifdef TARGET_NR_lseek
> diff --git a/linux-user/strace.list b/linux-user/strace.list
> index 084048ab96..46e1410836 100644
> --- a/linux-user/strace.list
> +++ b/linux-user/strace.list
> @@ -511,6 +511,9 @@
>  #ifdef TARGET_NR__llseek
>  { TARGET_NR__llseek, "_llseek" , NULL, print__llseek, NULL },
>  #endif
> +#ifdef TARGET_NR_llseek
> +{ TARGET_NR_llseek, "llseek" , NULL, print_llseek, NULL },
> +#endif
>  #ifdef TARGET_NR_lock
>  { TARGET_NR_lock, "lock" , NULL, NULL, NULL },
>  #endif
> 


Applied to my linux-user-for-6.1 branch.

Thanks,
Laurent