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Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/x86/include/asm/compat.h

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/* SPDX-License-Identifier: GPL-2.0 / #ifndef _ASM_X86_COMPAT_H #define _ASM_X86_COMPAT_H / * Architecture specific compatibility types / #include <linux/types.h> #include <linux/sched.h> #include <linux/sched/task_stack.h> #include <asm/processor.h> #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" 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; typedef u16 compat_dev_t; typedef u16 compat_nlink_t; typedef u16 compat_ipc_pid_t; typedef u32 compat_caddr_t; typedef __kernel_fsid_t compat_fsid_t; typedef s64 __attribute__((aligned(4))) compat_s64; typedef u64 __attribute__((aligned(4))) compat_u64; struct compat_stat { 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; u32 st_rdev; u32 st_size; u32 st_blksize; u32 st_blocks; u32 st_atime; u32 st_atime_nsec; u32 st_mtime; u32 st_mtime_nsec; u32 st_ctime; u32 st_ctime_nsec; u32 __unused4; 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. / 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)); struct compat_statfs { int f_type; int f_bsize; int f_blocks; int f_bfree; int f_bavail; int f_files; int f_ffree; compat_fsid_t f_fsid; int f_namelen; / SunOS ignores this field. / int f_frsize; int f_flags; 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; }; / * The type of struct elf_prstatus.pr_reg in compatible core dumps. / typedef struct user_regs_struct compat_elf_gregset_t; / Full regset -- prstatus on x32, otherwise on ia32 / #define PRSTATUS_SIZE(S, R) (R != sizeof(S.pr_reg) ? 144 : 296) #define SET_PR_FPVALID(S, V, R) \ do { (int ) (((void ) &((S)->pr_reg)) + R) = (V); } \ while (0) #ifdef CONFIG_X86_X32_ABI #define COMPAT_USE_64BIT_TIME \ (!!(task_pt_regs(current)->orig_ax & __X32_SYSCALL_BIT)) #endif /* * A pointer passed in from user mode. This should not * be used for syscall parameters, just declare them * as pointers because the syscall entry code will have * appropriately converted them already. / static inline void __user compat_ptr(compat_uptr_t uptr) { return (void __user )(unsigned long)uptr; } static inline compat_uptr_t ptr_to_compat(void __user uptr) { return (u32)(unsigned long)uptr; } static inline void __user arch_compat_alloc_user_space(long len) { compat_uptr_t sp; if (test_thread_flag(TIF_IA32)) { sp = task_pt_regs(current)->sp; } else { / -128 for the x32 ABI redzone / sp = task_pt_regs(current)->sp - 128; } return (void __user )round_down(sp - len, 16); } static inline bool in_x32_syscall(void) { #ifdef CONFIG_X86_X32_ABI if (task_pt_regs(current)->orig_ax & __X32_SYSCALL_BIT) return true; #endif return false; } static inline bool in_32bit_syscall(void) { return in_ia32_syscall() \|\| in_x32_syscall(); } #ifdef CONFIG_COMPAT static inline bool in_compat_syscall(void) { return in_32bit_syscall(); } #define in_compat_syscall in_compat_syscall /* override the generic impl / #endif struct compat_siginfo; int __copy_siginfo_to_user32(struct compat_siginfo __user to, const kernel_siginfo_t from, bool x32_ABI); #endif / _ASM_X86_COMPAT_H */

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