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bsd-user: Implement shmid_ds conversion between host and target.
Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230925182709.4834-11-kariem.taha2.7@gmail.com>
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@ -43,6 +43,30 @@ void target_to_host_ipc_perm__locked(struct ipc_perm *host_ip,
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__get_user(host_ip->key, &target_ip->key);
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}
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abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
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abi_ulong target_addr)
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{
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struct target_shmid_ds *target_sd;
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if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) {
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return -TARGET_EFAULT;
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}
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target_to_host_ipc_perm__locked(&(host_sd->shm_perm),
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&(target_sd->shm_perm));
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__get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
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__get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
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__get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
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__get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
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__get_user(host_sd->shm_atime, &target_sd->shm_atime);
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__get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
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__get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
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unlock_user_struct(target_sd, target_addr, 0);
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return 0;
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}
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void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip,
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struct ipc_perm *host_ip)
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{
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@ -55,3 +79,26 @@ void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip,
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__put_user(host_ip->key, &target_ip->key);
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}
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abi_long host_to_target_shmid_ds(abi_ulong target_addr,
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struct shmid_ds *host_sd)
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{
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struct target_shmid_ds *target_sd;
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if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) {
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return -TARGET_EFAULT;
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}
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host_to_target_ipc_perm__locked(&(target_sd->shm_perm),
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&(host_sd->shm_perm));
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__put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
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__put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
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__put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
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__put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
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__put_user(host_sd->shm_atime, &target_sd->shm_atime);
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__put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
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__put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
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unlock_user_struct(target_sd, target_addr, 1);
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return 0;
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}
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