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| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2006-11-07 18:02:44 +0900 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-12-04 22:43:12 +0000 |
| commit | 05e4396651ca1cac51d8da9ff4992741c9dc1e39 (patch) | |
| tree | 15881e19dfd7550dbe26245a356a10a979577086 /include/asm-mips/compat.h | |
| parent | 9567772f14f6d2692ea88ddc111a5a6b352fd512 (diff) | |
| download | lwn-05e4396651ca1cac51d8da9ff4992741c9dc1e39.tar.gz lwn-05e4396651ca1cac51d8da9ff4992741c9dc1e39.zip | |
[MIPS] Use SYSVIPC_COMPAT to fix various problems on N32
N32 SysV IPC system calls should use 32-bit compatible code.
arch/mips/kernel/linux32.c have similar compatible code for O32, but
ipc/compat.c seems more complete. We can use it for both N32 and O32.
This patch should fix these problems (and other possible problems):
http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=1149188824.6986.6.camel%40diimka-laptop
http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=44C6B829.8050508%40caviumnetworks.com
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/compat.h')
| -rw-r--r-- | include/asm-mips/compat.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/include/asm-mips/compat.h b/include/asm-mips/compat.h index 900f472fdd2b..55a0152feb08 100644 --- a/include/asm-mips/compat.h +++ b/include/asm-mips/compat.h @@ -32,6 +32,7 @@ typedef struct { s32 val[2]; } compat_fsid_t; typedef s32 compat_timer_t; +typedef s32 compat_key_t; typedef s32 compat_int_t; typedef s32 compat_long_t; @@ -146,4 +147,71 @@ static inline void __user *compat_alloc_user_space(long len) return (void __user *) (regs->regs[29] - len); } +struct compat_ipc64_perm { + compat_key_t key; + __compat_uid32_t uid; + __compat_gid32_t gid; + __compat_uid32_t cuid; + __compat_gid32_t cgid; + compat_mode_t mode; + unsigned short seq; + unsigned short __pad2; + compat_ulong_t __unused1; + compat_ulong_t __unused2; +}; + +struct compat_semid64_ds { + struct compat_ipc64_perm sem_perm; + compat_time_t sem_otime; + compat_time_t sem_ctime; + compat_ulong_t sem_nsems; + compat_ulong_t __unused1; + compat_ulong_t __unused2; +}; + +struct compat_msqid64_ds { + struct compat_ipc64_perm msg_perm; +#ifndef CONFIG_CPU_LITTLE_ENDIAN + compat_ulong_t __unused1; +#endif + compat_time_t msg_stime; +#ifdef CONFIG_CPU_LITTLE_ENDIAN + compat_ulong_t __unused1; +#endif +#ifndef CONFIG_CPU_LITTLE_ENDIAN + compat_ulong_t __unused2; +#endif + compat_time_t msg_rtime; +#ifdef CONFIG_CPU_LITTLE_ENDIAN + compat_ulong_t __unused2; +#endif +#ifndef CONFIG_CPU_LITTLE_ENDIAN + compat_ulong_t __unused3; +#endif + compat_time_t msg_ctime; +#ifdef CONFIG_CPU_LITTLE_ENDIAN + compat_ulong_t __unused3; +#endif + compat_ulong_t msg_cbytes; + compat_ulong_t msg_qnum; + compat_ulong_t msg_qbytes; + compat_pid_t msg_lspid; + compat_pid_t msg_lrpid; + compat_ulong_t __unused4; + compat_ulong_t __unused5; +}; + +struct compat_shmid64_ds { + struct compat_ipc64_perm shm_perm; + compat_size_t shm_segsz; + compat_time_t shm_atime; + compat_time_t shm_dtime; + compat_time_t shm_ctime; + compat_pid_t shm_cpid; + compat_pid_t shm_lpid; + compat_ulong_t shm_nattch; + compat_ulong_t __unused1; + compat_ulong_t __unused2; +}; + #endif /* _ASM_COMPAT_H */ |