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40ff214328
The macros are defined backwards.
This affects the following compat syscalls:
- compat_sys_truncate64()
- compat_sys_ftruncate64()
- compat_sys_fallocate()
- compat_sys_sync_file_range()
- compat_sys_fadvise64_64()
- compat_sys_readahead()
- compat_sys_pread64()
- compat_sys_pwrite64()
Fixes: 43d5de2b67 ("asm-generic: compat: Support BE for long long args in 32-bit ABIs")
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
[mpe: Add list of affected syscalls]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/871qqoyvni.fsf_-_@igel.home
168 lines
3.8 KiB
C
168 lines
3.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_GENERIC_COMPAT_H
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#define __ASM_GENERIC_COMPAT_H
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#ifndef COMPAT_USER_HZ
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#define COMPAT_USER_HZ 100
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#endif
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#ifndef COMPAT_RLIM_INFINITY
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#define COMPAT_RLIM_INFINITY 0xffffffff
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#endif
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#ifndef COMPAT_OFF_T_MAX
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#define COMPAT_OFF_T_MAX 0x7fffffff
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#endif
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#ifndef compat_arg_u64
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#ifndef CONFIG_CPU_BIG_ENDIAN
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#define compat_arg_u64(name) u32 name##_lo, u32 name##_hi
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#define compat_arg_u64_dual(name) u32, name##_lo, u32, name##_hi
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#else
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#define compat_arg_u64(name) u32 name##_hi, u32 name##_lo
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#define compat_arg_u64_dual(name) u32, name##_hi, u32, name##_lo
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#endif
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#define compat_arg_u64_glue(name) (((u64)name##_lo & 0xffffffffUL) | \
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((u64)name##_hi << 32))
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#endif /* compat_arg_u64 */
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/* These types are common across all compat ABIs */
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typedef u32 compat_size_t;
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typedef s32 compat_ssize_t;
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typedef s32 compat_clock_t;
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typedef s32 compat_pid_t;
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typedef u32 compat_ino_t;
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typedef s32 compat_off_t;
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typedef s64 compat_loff_t;
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typedef s32 compat_daddr_t;
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typedef s32 compat_timer_t;
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typedef s32 compat_key_t;
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typedef s16 compat_short_t;
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typedef s32 compat_int_t;
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typedef s32 compat_long_t;
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typedef u16 compat_ushort_t;
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typedef u32 compat_uint_t;
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typedef u32 compat_ulong_t;
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typedef u32 compat_uptr_t;
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typedef u32 compat_caddr_t;
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typedef u32 compat_aio_context_t;
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typedef u32 compat_old_sigset_t;
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#ifndef __compat_uid_t
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typedef u32 __compat_uid_t;
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typedef u32 __compat_gid_t;
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#endif
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#ifndef __compat_uid32_t
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typedef u32 __compat_uid32_t;
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typedef u32 __compat_gid32_t;
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#endif
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#ifndef compat_mode_t
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typedef u32 compat_mode_t;
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#endif
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#ifdef CONFIG_COMPAT_FOR_U64_ALIGNMENT
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typedef s64 __attribute__((aligned(4))) compat_s64;
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typedef u64 __attribute__((aligned(4))) compat_u64;
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#else
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typedef s64 compat_s64;
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typedef u64 compat_u64;
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#endif
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#ifndef _COMPAT_NSIG
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typedef u32 compat_sigset_word;
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#define _COMPAT_NSIG _NSIG
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#define _COMPAT_NSIG_BPW 32
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#endif
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#ifndef compat_dev_t
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typedef u32 compat_dev_t;
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#endif
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#ifndef compat_ipc_pid_t
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typedef s32 compat_ipc_pid_t;
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#endif
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#ifndef compat_fsid_t
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typedef __kernel_fsid_t compat_fsid_t;
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#endif
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#ifndef compat_statfs
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struct compat_statfs {
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compat_int_t f_type;
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compat_int_t f_bsize;
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compat_int_t f_blocks;
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compat_int_t f_bfree;
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compat_int_t f_bavail;
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compat_int_t f_files;
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compat_int_t f_ffree;
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compat_fsid_t f_fsid;
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compat_int_t f_namelen;
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compat_int_t f_frsize;
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compat_int_t f_flags;
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compat_int_t f_spare[4];
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};
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#endif
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#ifndef compat_ipc64_perm
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struct compat_ipc64_perm {
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compat_key_t key;
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__compat_uid32_t uid;
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__compat_gid32_t gid;
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__compat_uid32_t cuid;
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__compat_gid32_t cgid;
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compat_mode_t mode;
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unsigned char __pad1[4 - sizeof(compat_mode_t)];
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compat_ushort_t seq;
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compat_ushort_t __pad2;
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compat_ulong_t unused1;
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compat_ulong_t unused2;
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};
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struct compat_semid64_ds {
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struct compat_ipc64_perm sem_perm;
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compat_ulong_t sem_otime;
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compat_ulong_t sem_otime_high;
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compat_ulong_t sem_ctime;
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compat_ulong_t sem_ctime_high;
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compat_ulong_t sem_nsems;
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compat_ulong_t __unused3;
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compat_ulong_t __unused4;
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};
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struct compat_msqid64_ds {
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struct compat_ipc64_perm msg_perm;
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compat_ulong_t msg_stime;
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compat_ulong_t msg_stime_high;
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compat_ulong_t msg_rtime;
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compat_ulong_t msg_rtime_high;
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compat_ulong_t msg_ctime;
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compat_ulong_t msg_ctime_high;
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compat_ulong_t msg_cbytes;
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compat_ulong_t msg_qnum;
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compat_ulong_t msg_qbytes;
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compat_pid_t msg_lspid;
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compat_pid_t msg_lrpid;
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compat_ulong_t __unused4;
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compat_ulong_t __unused5;
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};
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struct compat_shmid64_ds {
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struct compat_ipc64_perm shm_perm;
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compat_size_t shm_segsz;
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compat_ulong_t shm_atime;
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compat_ulong_t shm_atime_high;
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compat_ulong_t shm_dtime;
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compat_ulong_t shm_dtime_high;
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compat_ulong_t shm_ctime;
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compat_ulong_t shm_ctime_high;
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compat_pid_t shm_cpid;
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compat_pid_t shm_lpid;
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compat_ulong_t shm_nattch;
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compat_ulong_t __unused4;
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compat_ulong_t __unused5;
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};
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#endif
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#endif
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