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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC64_COMPAT_H #define _ASM_SPARC64_COMPAT_H /* * Architecture specific compatibility types */ #include <linux/types.h> #include <asm-generic/compat.h> #define COMPAT_USER_HZ 100 #define COMPAT_UTS_MACHINE "sparc\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 s16 compat_nlink_t; typedef u16 compat_ipc_pid_t; typedef u32 compat_caddr_t; typedef __kernel_fsid_t compat_fsid_t; typedef s64 compat_s64; typedef u64 compat_u64; struct compat_stat { compat_dev_t 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; compat_off_t st_size; old_time32_t st_atime; compat_ulong_t st_atime_nsec; old_time32_t st_mtime; compat_ulong_t st_mtime_nsec; old_time32_t st_ctime; compat_ulong_t st_ctime_nsec; compat_off_t st_blksize; compat_off_t st_blocks; u32 __unused4[2]; }; struct compat_stat64 { unsigned long long st_dev; unsigned long long st_ino; unsigned int st_mode; unsigned int st_nlink; unsigned int st_uid; unsigned int st_gid; unsigned long long st_rdev; unsigned char __pad3[8]; long long st_size; unsigned int st_blksize; unsigned char __pad4[8]; unsigned int st_blocks; unsigned int st_atime; unsigned int st_atime_nsec; unsigned int st_mtime; unsigned int st_mtime_nsec; unsigned int st_ctime; unsigned int st_ctime_nsec; unsigned int __unused4; unsigned int __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; short __unused; }; #define F_GETLK64 12 #define F_SETLK64 13 #define F_SETLKW64 14 struct compat_flock64 { short l_type; short l_whence; compat_loff_t l_start; compat_loff_t l_len; compat_pid_t l_pid; short __unused; }; 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 0x7fffffff typedef u32 compat_old_sigset_t; #define _COMPAT_NSIG 64 #define _COMPAT_NSIG_BPW 32 typedef u32 compat_sigset_word; #define COMPAT_OFF_T_MAX 0x7fffffff /* * 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; } #ifdef CONFIG_COMPAT static inline void __user *arch_compat_alloc_user_space(long len) { struct pt_regs *regs = current_thread_info()->kregs; unsigned long usp = regs->u_regs[UREG_I6]; if (test_thread_64bit_stack(usp)) usp += STACK_BIAS; if (test_thread_flag(TIF_32BIT)) usp &= 0xffffffffUL; usp -= len; usp &= ~0x7UL; return (void __user *) usp; } #endif 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 __pad1; compat_mode_t mode; unsigned short __pad2; unsigned short seq; unsigned long __unused1; /* yes they really are 64bit pads */ unsigned long __unused2; }; struct compat_semid64_ds { struct compat_ipc64_perm sem_perm; unsigned int sem_otime_high; unsigned int sem_otime; unsigned int sem_ctime_high; unsigned int sem_ctime; u32 sem_nsems; u32 __unused1; u32 __unused2; }; struct compat_msqid64_ds { struct compat_ipc64_perm msg_perm; unsigned int msg_stime_high; unsigned int msg_stime; unsigned int msg_rtime_high; unsigned int msg_rtime; unsigned int msg_ctime_high; unsigned int msg_ctime; unsigned int msg_cbytes; unsigned int msg_qnum; unsigned int msg_qbytes; compat_pid_t msg_lspid; compat_pid_t msg_lrpid; unsigned int __unused1; unsigned int __unused2; }; struct compat_shmid64_ds { struct compat_ipc64_perm shm_perm; unsigned int shm_atime_high; unsigned int shm_atime; unsigned int shm_dtime_high; unsigned int shm_dtime; unsigned int shm_ctime_high; unsigned int shm_ctime; compat_size_t shm_segsz; compat_pid_t shm_cpid; compat_pid_t shm_lpid; unsigned int shm_nattch; unsigned int __unused1; unsigned int __unused2; }; #ifdef CONFIG_COMPAT static inline int is_compat_task(void) { return test_thread_flag(TIF_32BIT); } static inline bool in_compat_syscall(void) { /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */ return pt_regs_trap_type(current_pt_regs()) == 0x110; } #define in_compat_syscall in_compat_syscall #endif #endif /* _ASM_SPARC64_COMPAT_H */
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