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Re: [PATCH v2 2/4] linux-user, aarch64: sync syscall numbers with kernel


From: Richard Henderson
Subject: Re: [PATCH v2 2/4] linux-user, aarch64: sync syscall numbers with kernel v5.5
Date: Sun, 15 Mar 2020 16:03:26 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

On 3/14/20 4:39 AM, Laurent Vivier wrote:
> Use helper script scripts/gensyscalls.sh to generate the file.
> 
> This change TARGET_NR_fstatat64 by TARGET_NR_newfstatat that is correct
> because definitions from linux are:
> 
> arch/arm64/include/uapi/asm/unistd.h
> 
>   #define __ARCH_WANT_NEW_STAT
> 
> include/uapi/asm-generic/unistd.h
> 
>   #if defined(__ARCH_WANT_NEW_STAT) || defined(__ARCH_WANT_STAT64)
>   #define __NR3264_fstatat 79
>   __SC_3264(__NR3264_fstatat, sys_fstatat64, sys_newfstatat)
>   #define __NR3264_fstat 80
>   __SC_3264(__NR3264_fstat, sys_fstat64, sys_newfstat)
>   #endif
>   ...
>   #if __BITS_PER_LONG == 64 && !defined(__SYSCALL_COMPAT)
>   ...
>   #if defined(__ARCH_WANT_NEW_STAT) || defined(__ARCH_WANT_STAT64)
>   #define __NR_newfstatat __NR3264_fstatat
>   #define __NR_fstat __NR3264_fstat
>   #endif
>   ...
> 
> Add syscalls 286 (preadv2) to 435 (clone3).
> 
> Signed-off-by: Laurent Vivier <address@hidden>
> Reviewed-by: Alistair Francis <address@hidden>
> ---
> 
> Notes:
>     v2: add comments suggested by Taylor

Reviewed-by: Richard Henderson <address@hidden>

r~



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