Re: [PATCH 08/22] Implement target_set_brk function in bsd-mem.c instead of os-syscall.c

[Richard Henderson <richard.henderson@linaro.org>]

On 8/19/23 02:47, Karim Taha wrote:
> From: Stacey Son <sson@FreeBSD.org>
> 
> Co-authored-by: Mikaël Urankar <mikael.urankar@gmail.com>
> Signed-off-by: Mikaël Urankar <mikael.urankar@gmail.com>
> Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
> ---
>   bsd-user/bsd-mem.c            | 38 +++++++++++++++++++++++++++++++++++
>   bsd-user/freebsd/os-syscall.c |  4 ----
>   2 files changed, 38 insertions(+), 4 deletions(-)
> 
> diff --git a/bsd-user/bsd-mem.c b/bsd-user/bsd-mem.c
> index e69de29bb2..6c123abf04 100644
> --- a/bsd-user/bsd-mem.c
> +++ b/bsd-user/bsd-mem.c
> @@ -0,0 +1,38 @@
> +/*
> + *  memory management system conversion routines
> + *
> + *  Copyright (c) 2013 Stacey D. Son
> + *
> + *  This program is free software; you can redistribute it and/or modify
> + *  it under the terms of the GNU General Public License as published by
> + *  the Free Software Foundation; either version 2 of the License, or
> + *  (at your option) any later version.
> + *
> + *  This program is distributed in the hope that it will be useful,
> + *  but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *  GNU General Public License for more details.
> + *
> + *  You should have received a copy of the GNU General Public License
> + *  along with this program; if not, see <http://www.gnu.org/licenses/>.
> + */
> +#include "qemu/osdep.h"
> +
> +#include <sys/ipc.h>
> +#include <sys/shm.h>
> +
> +#include "qemu.h"
> +#include "qemu-bsd.h"
> +
> +struct bsd_shm_regions bsd_shm_regions[N_BSD_SHM_REGIONS];


This and the ipc/shm includes don't belong with this patch.


> +
> +abi_ulong bsd_target_brk;
> +abi_ulong bsd_target_original_brk;
> +abi_ulong brk_page;
> +
> +void target_set_brk(abi_ulong new_brk)
> +{
> +

Blank line.

> +    bsd_target_original_brk = bsd_target_brk = HOST_PAGE_ALIGN(new_brk);
> +    brk_page = HOST_PAGE_ALIGN(bsd_target_brk);

I encourage you to use TARGET_PAGE_ALIGN instead.
This will match changes made in linux-user during the 8.1 cycle.

Otherwise,
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~