From bd2b73182f5a793c1b226a2846c847faaa7b3e9d Mon Sep 17 00:00:00 2001 From: Stacey Son Date: Mon, 25 Sep 2023 21:26:56 +0300 Subject: [PATCH] bsd-user: Implement shmid_ds conversion between host and target. Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Message-Id: <20230925182709.4834-11-kariem.taha2.7@gmail.com> --- bsd-user/bsd-mem.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/bsd-user/bsd-mem.c b/bsd-user/bsd-mem.c index 46cda8eb5ceb..2ab1334b7003 100644 --- a/bsd-user/bsd-mem.c +++ b/bsd-user/bsd-mem.c @@ -43,6 +43,30 @@ void target_to_host_ipc_perm__locked(struct ipc_perm *host_ip, __get_user(host_ip->key, &target_ip->key); } +abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, + abi_ulong target_addr) +{ + struct target_shmid_ds *target_sd; + + if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) { + return -TARGET_EFAULT; + } + + target_to_host_ipc_perm__locked(&(host_sd->shm_perm), + &(target_sd->shm_perm)); + + __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); + __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); + __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); + __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); + __get_user(host_sd->shm_atime, &target_sd->shm_atime); + __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); + __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); + unlock_user_struct(target_sd, target_addr, 0); + + return 0; +} + void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip, struct ipc_perm *host_ip) { @@ -55,3 +79,26 @@ void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip, __put_user(host_ip->key, &target_ip->key); } +abi_long host_to_target_shmid_ds(abi_ulong target_addr, + struct shmid_ds *host_sd) +{ + struct target_shmid_ds *target_sd; + + if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) { + return -TARGET_EFAULT; + } + + host_to_target_ipc_perm__locked(&(target_sd->shm_perm), + &(host_sd->shm_perm)); + + __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); + __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); + __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); + __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); + __put_user(host_sd->shm_atime, &target_sd->shm_atime); + __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); + __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); + unlock_user_struct(target_sd, target_addr, 1); + + return 0; +}