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From: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
To: Warner Losh <imp@bsdimp.com>, qemu-devel@nongnu.org
Cc: Kyle Evans <kevans@freebsd.org>, richard.henderson@linaro.org
Subject: Re: [PATCH 04/14] bsd-user: export get_errno and is_error from syscall.c
Date: Sat, 25 Sep 2021 12:33:43 +0200	[thread overview]
Message-ID: <10bb09fe-8995-29ab-e719-616d1a7e6114@amsat.org> (raw)
In-Reply-To: <20210922061438.27645-5-imp@bsdimp.com>

On 9/22/21 08:14, Warner Losh wrote:
> Make get_errno and is_error global so files other than syscall.c can use
> them.
> 
> Signed-off-by: Warner Losh <imp@bsdimp.com>
> ---
>   bsd-user/qemu.h    |  4 ++++
>   bsd-user/syscall.c | 10 +++++-----
>   2 files changed, 9 insertions(+), 5 deletions(-)
> 
> diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h
> index 522d6c4031..22fc3a6c30 100644
> --- a/bsd-user/qemu.h
> +++ b/bsd-user/qemu.h
> @@ -235,6 +235,10 @@ extern unsigned long target_dflssiz;
>   extern unsigned long target_maxssiz;
>   extern unsigned long target_sgrowsiz;
>   
> +/* syscall.c */
> +abi_long get_errno(abi_long ret);
> +int is_error(abi_long ret);
> +
>   /* user access */
>   
>   #define VERIFY_READ  PAGE_READ
> diff --git a/bsd-user/syscall.c b/bsd-user/syscall.c
> index 372836d44d..a579d52ede 100644
> --- a/bsd-user/syscall.c
> +++ b/bsd-user/syscall.c
> @@ -33,18 +33,18 @@
>   static abi_ulong target_brk;
>   static abi_ulong target_original_brk;
>   
> -static inline abi_long get_errno(abi_long ret)
> +abi_long get_errno(abi_long ret)
>   {
> -    if (ret == -1)
> +    if (ret == -1) {
>           /* XXX need to translate host -> target errnos here */
>           return -(errno);
> -    else
> -        return ret;
> +    }
> +    return ret;
>   }
>   
>   #define target_to_host_bitmask(x, tbl) (x)
>   
> -static inline int is_error(abi_long ret)
> +int is_error(abi_long ret)

Since you are modifying this, do you mind having it return
a boolean type instead?

>   {
>       return (abi_ulong)ret >= (abi_ulong)(-4096);
>   }
> 

Preferably having is_error() returning bool:
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>


  parent reply	other threads:[~2021-09-25 10:34 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-22  6:14 [PATCH 00/14] bsd-user: misc cleanup for aarch64 import Warner Losh
2021-09-22  6:14 ` [PATCH 01/14] bsd-user/target_os-user.h: Remove support for FreeBSD older than 12.0 Warner Losh
2021-09-22  6:14 ` [PATCH 02/14] bsd-user/strace.list: Remove support for FreeBSD versions " Warner Losh
2021-09-23 17:57   ` Richard Henderson
2021-09-22  6:14 ` [PATCH 03/14] bsd-user: TARGET_RESET define is unused, remove it Warner Losh
2021-09-23 17:57   ` Richard Henderson
2021-09-25 10:30   ` Philippe Mathieu-Daudé
2021-09-22  6:14 ` [PATCH 04/14] bsd-user: export get_errno and is_error from syscall.c Warner Losh
2021-09-23 17:58   ` Richard Henderson
2021-09-25 10:33   ` Philippe Mathieu-Daudé [this message]
2021-09-26 17:14     ` Warner Losh
2021-09-22  6:14 ` [PATCH 05/14] bsd-user/errno_defs.h: Add internal error numbers Warner Losh
2021-09-23 17:59   ` Richard Henderson
2021-09-22  6:14 ` [PATCH 06/14] bsd-user: move TARGET_MC_GET_CLEAR_RET to target_os_signal.h Warner Losh
2021-09-23 18:00   ` Richard Henderson
2021-09-25 10:35   ` Philippe Mathieu-Daudé
2021-09-26 17:16     ` Warner Losh
2021-09-22  6:14 ` [PATCH 07/14] bsd-user/target_os_elf.h: Remove fallback ELF_HWCAP and reorder Warner Losh
2021-09-23 18:01   ` Richard Henderson
2021-09-25 10:36   ` Philippe Mathieu-Daudé
2021-09-22  6:14 ` [PATCH 08/14] bsd-user/target_os_elf: If ELF_HWCAP2 is defined, publish it Warner Losh
2021-09-23 18:01   ` Richard Henderson
2021-09-25 10:37   ` Philippe Mathieu-Daudé
2021-09-22  6:14 ` [PATCH 09/14] bsd-user: Remove used from TaskState Warner Losh
2021-09-23 18:02   ` Richard Henderson
2021-09-25 10:38   ` Philippe Mathieu-Daudé
2021-09-22  6:14 ` [PATCH 10/14] bsd-user: Add stop_all_tasks Warner Losh
2021-09-23 18:04   ` Richard Henderson
2021-09-22  6:14 ` [PATCH 11/14] bsd-user/sysarch: Move to using do_freebsd_arch_sysarch interface Warner Losh
2021-09-23 18:07   ` Richard Henderson
2021-09-24 15:25     ` Warner Losh
2021-09-22  6:14 ` [PATCH 12/14] bsd-user/sysarch: Provide a per-arch framework for sysarch syscall Warner Losh
2021-09-23 18:08   ` Richard Henderson
2021-09-25 10:46   ` Philippe Mathieu-Daudé
2021-09-26 17:21     ` Warner Losh
2021-09-22  6:14 ` [PATCH 13/14] bsd-user: Rename sigqueue to qemu_sigqueue Warner Losh
2021-09-23 18:09   ` Richard Henderson
2021-09-25 10:46   ` Philippe Mathieu-Daudé
2021-09-22  6:14 ` [PATCH 14/14] bsd-user/signal: Create a dummy signal queueing function Warner Losh
2021-09-23 18:13   ` Richard Henderson
2021-09-24 20:11     ` Warner Losh
2021-09-24 20:30       ` Kyle Evans
2021-09-24 23:51       ` Richard Henderson
2021-09-26 18:14     ` Warner Losh
2021-09-26 18:34       ` Philippe Mathieu-Daudé
2021-09-26 19:00         ` Warner Losh
2021-09-26 19:13           ` Philippe Mathieu-Daudé
2021-09-25 10:50   ` Philippe Mathieu-Daudé
2021-09-25 14:53     ` Warner Losh
2021-09-26  3:06       ` Warner Losh

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