| .. | .. |
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| 12 | 12 | #include <asm/user32.h> |
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| 13 | 13 | #include <asm/unistd.h> |
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| 14 | 14 | |
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| 15 | +#include <asm-generic/compat.h> |
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| 16 | + |
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| 15 | 17 | #define COMPAT_USER_HZ 100 |
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| 16 | 18 | #define COMPAT_UTS_MACHINE "i686\0\0" |
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| 17 | 19 | |
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| 18 | | -typedef u32 compat_size_t; |
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| 19 | | -typedef s32 compat_ssize_t; |
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| 20 | | -typedef s32 compat_clock_t; |
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| 21 | | -typedef s32 compat_pid_t; |
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| 22 | 20 | typedef u16 __compat_uid_t; |
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| 23 | 21 | typedef u16 __compat_gid_t; |
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| 24 | 22 | typedef u32 __compat_uid32_t; |
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| 25 | 23 | typedef u32 __compat_gid32_t; |
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| 26 | 24 | typedef u16 compat_mode_t; |
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| 27 | | -typedef u32 compat_ino_t; |
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| 28 | 25 | typedef u16 compat_dev_t; |
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| 29 | | -typedef s32 compat_off_t; |
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| 30 | | -typedef s64 compat_loff_t; |
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| 31 | 26 | typedef u16 compat_nlink_t; |
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| 32 | 27 | typedef u16 compat_ipc_pid_t; |
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| 33 | | -typedef s32 compat_daddr_t; |
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| 34 | 28 | typedef u32 compat_caddr_t; |
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| 35 | 29 | typedef __kernel_fsid_t compat_fsid_t; |
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| 36 | | -typedef s32 compat_timer_t; |
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| 37 | | -typedef s32 compat_key_t; |
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| 38 | | - |
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| 39 | | -typedef s32 compat_int_t; |
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| 40 | | -typedef s32 compat_long_t; |
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| 41 | | -typedef s64 __attribute__((aligned(4))) compat_s64; |
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| 42 | | -typedef u32 compat_uint_t; |
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| 43 | | -typedef u32 compat_ulong_t; |
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| 44 | | -typedef u32 compat_u32; |
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| 45 | | -typedef u64 __attribute__((aligned(4))) compat_u64; |
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| 46 | | -typedef u32 compat_uptr_t; |
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| 47 | 30 | |
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| 48 | 31 | struct compat_stat { |
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| 49 | | - compat_dev_t st_dev; |
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| 50 | | - u16 __pad1; |
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| 32 | + u32 st_dev; |
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| 51 | 33 | compat_ino_t st_ino; |
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| 52 | 34 | compat_mode_t st_mode; |
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| 53 | 35 | compat_nlink_t st_nlink; |
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| 54 | 36 | __compat_uid_t st_uid; |
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| 55 | 37 | __compat_gid_t st_gid; |
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| 56 | | - compat_dev_t st_rdev; |
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| 57 | | - u16 __pad2; |
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| 38 | + u32 st_rdev; |
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| 58 | 39 | u32 st_size; |
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| 59 | 40 | u32 st_blksize; |
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| 60 | 41 | u32 st_blocks; |
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| .. | .. |
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| 192 | 173 | (!!(task_pt_regs(current)->orig_ax & __X32_SYSCALL_BIT)) |
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| 193 | 174 | #endif |
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| 194 | 175 | |
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| 195 | | -/* |
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| 196 | | - * A pointer passed in from user mode. This should not |
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| 197 | | - * be used for syscall parameters, just declare them |
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| 198 | | - * as pointers because the syscall entry code will have |
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| 199 | | - * appropriately converted them already. |
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| 200 | | - */ |
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| 201 | | - |
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| 202 | | -static inline void __user *compat_ptr(compat_uptr_t uptr) |
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| 203 | | -{ |
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| 204 | | - return (void __user *)(unsigned long)uptr; |
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| 205 | | -} |
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| 206 | | - |
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| 207 | | -static inline compat_uptr_t ptr_to_compat(void __user *uptr) |
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| 208 | | -{ |
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| 209 | | - return (u32)(unsigned long)uptr; |
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| 210 | | -} |
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| 211 | | - |
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| 212 | 176 | static inline void __user *arch_compat_alloc_user_space(long len) |
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| 213 | 177 | { |
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| 214 | 178 | compat_uptr_t sp; |
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| .. | .. |
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| 232 | 196 | return false; |
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| 233 | 197 | } |
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| 234 | 198 | |
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| 235 | | -static inline bool in_compat_syscall(void) |
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| 199 | +static inline bool in_32bit_syscall(void) |
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| 236 | 200 | { |
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| 237 | 201 | return in_ia32_syscall() || in_x32_syscall(); |
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| 238 | 202 | } |
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| 203 | + |
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| 204 | +#ifdef CONFIG_COMPAT |
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| 205 | +static inline bool in_compat_syscall(void) |
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| 206 | +{ |
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| 207 | + return in_32bit_syscall(); |
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| 208 | +} |
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| 239 | 209 | #define in_compat_syscall in_compat_syscall /* override the generic impl */ |
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| 210 | +#define compat_need_64bit_alignment_fixup in_ia32_syscall |
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| 211 | +#endif |
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| 240 | 212 | |
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| 241 | 213 | struct compat_siginfo; |
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| 242 | | -int __copy_siginfo_to_user32(struct compat_siginfo __user *to, |
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| 243 | | - const siginfo_t *from, bool x32_ABI); |
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| 214 | + |
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| 215 | +#ifdef CONFIG_X86_X32_ABI |
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| 216 | +int copy_siginfo_to_user32(struct compat_siginfo __user *to, |
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| 217 | + const kernel_siginfo_t *from); |
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| 218 | +#define copy_siginfo_to_user32 copy_siginfo_to_user32 |
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| 219 | +#endif /* CONFIG_X86_X32_ABI */ |
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| 244 | 220 | |
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| 245 | 221 | #endif /* _ASM_X86_COMPAT_H */ |
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