diff options
Diffstat (limited to 'arch/x86/include/asm/compat.h')
| -rw-r--r-- | arch/x86/include/asm/compat.h | 137 |
1 files changed, 20 insertions, 117 deletions
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h index be09c7eac89f..b1221da477b7 100644 --- a/arch/x86/include/asm/compat.h +++ b/arch/x86/include/asm/compat.h @@ -12,32 +12,35 @@ #include <asm/user32.h> #include <asm/unistd.h> -#include <asm-generic/compat.h> - -#define COMPAT_USER_HZ 100 -#define COMPAT_UTS_MACHINE "i686\0\0" +#define compat_mode_t compat_mode_t +typedef u16 compat_mode_t; +#define __compat_uid_t __compat_uid_t typedef u16 __compat_uid_t; typedef u16 __compat_gid_t; -typedef u32 __compat_uid32_t; -typedef u32 __compat_gid32_t; -typedef u16 compat_mode_t; + +#define compat_dev_t compat_dev_t typedef u16 compat_dev_t; + +#define compat_ipc_pid_t compat_ipc_pid_t +typedef u16 compat_ipc_pid_t; + +#define compat_statfs compat_statfs + +#include <asm-generic/compat.h> + +#define COMPAT_UTS_MACHINE "i686\0\0" + typedef u16 compat_nlink_t; -typedef u16 compat_ipc_pid_t; -typedef u32 compat_caddr_t; -typedef __kernel_fsid_t compat_fsid_t; struct compat_stat { - compat_dev_t st_dev; - u16 __pad1; + u32 st_dev; compat_ino_t st_ino; compat_mode_t st_mode; compat_nlink_t st_nlink; __compat_uid_t st_uid; __compat_gid_t st_gid; - compat_dev_t st_rdev; - u16 __pad2; + u32 st_rdev; u32 st_size; u32 st_blksize; u32 st_blocks; @@ -51,29 +54,11 @@ struct compat_stat { u32 __unused5; }; -struct compat_flock { - short l_type; - short l_whence; - compat_off_t l_start; - compat_off_t l_len; - compat_pid_t l_pid; -}; - -#define F_GETLK64 12 /* using 'struct flock64' */ -#define F_SETLK64 13 -#define F_SETLKW64 14 - /* - * IA32 uses 4 byte alignment for 64 bit quantities, - * so we need to pack this structure. + * IA32 uses 4 byte alignment for 64 bit quantities, so we need to pack the + * compat flock64 structure. */ -struct compat_flock64 { - short l_type; - short l_whence; - compat_loff_t l_start; - compat_loff_t l_len; - compat_pid_t l_pid; -} __attribute__((packed)); +#define __ARCH_NEED_COMPAT_FLOCK64_PACKED struct compat_statfs { int f_type; @@ -90,93 +75,11 @@ struct compat_statfs { int f_spare[4]; }; -#define COMPAT_RLIM_INFINITY 0xffffffff - -typedef u32 compat_old_sigset_t; /* at least 32 bits */ - -#define _COMPAT_NSIG 64 -#define _COMPAT_NSIG_BPW 32 - -typedef u32 compat_sigset_word; - -#define COMPAT_OFF_T_MAX 0x7fffffff - -struct compat_ipc64_perm { - compat_key_t key; - __compat_uid32_t uid; - __compat_gid32_t gid; - __compat_uid32_t cuid; - __compat_gid32_t cgid; - unsigned short mode; - unsigned short __pad1; - 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_ulong_t sem_otime; - compat_ulong_t sem_otime_high; - compat_ulong_t sem_ctime; - compat_ulong_t sem_ctime_high; - compat_ulong_t sem_nsems; - compat_ulong_t __unused3; - compat_ulong_t __unused4; -}; - -struct compat_msqid64_ds { - struct compat_ipc64_perm msg_perm; - compat_ulong_t msg_stime; - compat_ulong_t msg_stime_high; - compat_ulong_t msg_rtime; - compat_ulong_t msg_rtime_high; - compat_ulong_t msg_ctime; - compat_ulong_t msg_ctime_high; - 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_ulong_t shm_atime; - compat_ulong_t shm_atime_high; - compat_ulong_t shm_dtime; - compat_ulong_t shm_dtime_high; - compat_ulong_t shm_ctime; - compat_ulong_t shm_ctime_high; - compat_pid_t shm_cpid; - compat_pid_t shm_lpid; - compat_ulong_t shm_nattch; - compat_ulong_t __unused4; - compat_ulong_t __unused5; -}; - #ifdef CONFIG_X86_X32_ABI #define COMPAT_USE_64BIT_TIME \ (!!(task_pt_regs(current)->orig_ax & __X32_SYSCALL_BIT)) #endif -static inline void __user *arch_compat_alloc_user_space(long len) -{ - compat_uptr_t sp = task_pt_regs(current)->sp; - - /* - * -128 for the x32 ABI redzone. For IA32, it is not strictly - * necessary, but not harmful. - */ - sp -= 128; - - return (void __user *)round_down(sp - len, 16); -} - static inline bool in_x32_syscall(void) { #ifdef CONFIG_X86_X32_ABI |
