On Sat, Aug 19, 2023 at 3:49 AM Karim Taha <kariem.taha...@gmail.com> wrote:
> From: Stacey Son <s...@freebsd.org>
>
> Signed-off-by: Stacey Son <s...@freebsd.org>
> Signed-off-by: Karim Taha <kariem.taha...@gmail.com>
> ---
> bsd-user/bsd-mem.h | 20 ++++++++++++++++++++
> bsd-user/freebsd/os-syscall.c | 9 +++++++++
> 2 files changed, 29 insertions(+)
>
Reviewed-by: Warner Losh <i...@bsdimp.com>
> diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h
> index fed7b7cd80..057c995a6e 100644
> --- a/bsd-user/bsd-mem.h
> +++ b/bsd-user/bsd-mem.h
> @@ -62,4 +62,24 @@ extern abi_ulong bsd_target_brk;
> extern abi_ulong bsd_target_original_brk;
> extern abi_ulong brk_page;
>
> +/* mmap(2) */
> +static inline abi_long do_bsd_mmap(void *cpu_env, abi_long arg1, abi_long
> arg2,
> + abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6, abi_long
> arg7,
> + abi_long arg8)
> +{
> + if (regpairs_aligned(cpu_env) != 0) {
> + arg6 = arg7;
> + arg7 = arg8;
> + }
> + return get_errno(target_mmap(arg1, arg2, arg3,
> + target_to_host_bitmask(arg4,
> mmap_flags_tbl),
> + arg5, target_arg64(arg6, arg7)));
> +}
> +
> +/* munmap(2) */
> +static inline abi_long do_bsd_munmap(abi_long arg1, abi_long arg2)
> +{
> + return get_errno(target_munmap(arg1, arg2));
> +}
> +
> #endif /* BSD_USER_BSD_MEM_H */
> diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
> index 7e2a395e0f..3525d39d7b 100644
> --- a/bsd-user/freebsd/os-syscall.c
> +++ b/bsd-user/freebsd/os-syscall.c
> @@ -486,6 +486,15 @@ static abi_long freebsd_syscall(void *cpu_env, int
> num, abi_long arg1,
> /*
> * Memory management system calls.
> */
> + case TARGET_FREEBSD_NR_mmap: /* mmap(2) */
> + ret = do_bsd_mmap(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6,
> arg7,
> + arg8);
> + break;
> +
> + case TARGET_FREEBSD_NR_munmap: /* munmap(2) */
> + ret = do_bsd_munmap(arg1, arg2);
> + break;
> +
> #if defined(__FreeBSD_version) && __FreeBSD_version >= 1300048
> case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */
> ret = do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5);
> --
> 2.40.0
>
>
