compat.h (3384B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _ASM_PARISC_COMPAT_H 3#define _ASM_PARISC_COMPAT_H 4/* 5 * Architecture specific compatibility types 6 */ 7#include <linux/types.h> 8#include <linux/sched.h> 9#include <linux/thread_info.h> 10 11#define compat_mode_t compat_mode_t 12typedef u16 compat_mode_t; 13 14#define compat_ipc_pid_t compat_ipc_pid_t 15typedef u16 compat_ipc_pid_t; 16 17#define compat_ipc64_perm compat_ipc64_perm 18 19#include <asm-generic/compat.h> 20 21#define COMPAT_UTS_MACHINE "parisc\0\0" 22 23typedef u16 compat_nlink_t; 24 25struct compat_stat { 26 compat_dev_t st_dev; /* dev_t is 32 bits on parisc */ 27 compat_ino_t st_ino; /* 32 bits */ 28 compat_mode_t st_mode; /* 16 bits */ 29 compat_nlink_t st_nlink; /* 16 bits */ 30 u16 st_reserved1; /* old st_uid */ 31 u16 st_reserved2; /* old st_gid */ 32 compat_dev_t st_rdev; 33 compat_off_t st_size; 34 old_time32_t st_atime; 35 u32 st_atime_nsec; 36 old_time32_t st_mtime; 37 u32 st_mtime_nsec; 38 old_time32_t st_ctime; 39 u32 st_ctime_nsec; 40 s32 st_blksize; 41 s32 st_blocks; 42 u32 __unused1; /* ACL stuff */ 43 compat_dev_t __unused2; /* network */ 44 compat_ino_t __unused3; /* network */ 45 u32 __unused4; /* cnodes */ 46 u16 __unused5; /* netsite */ 47 short st_fstype; 48 compat_dev_t st_realdev; 49 u16 st_basemode; 50 u16 st_spareshort; 51 __compat_uid32_t st_uid; 52 __compat_gid32_t st_gid; 53 u32 st_spare4[3]; 54}; 55 56struct compat_sigcontext { 57 compat_int_t sc_flags; 58 compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */ 59 u64 sc_fr[32]; 60 compat_int_t sc_iasq[2]; 61 compat_int_t sc_iaoq[2]; 62 compat_int_t sc_sar; /* cr11 */ 63}; 64 65struct compat_ipc64_perm { 66 compat_key_t key; 67 __compat_uid_t uid; 68 __compat_gid_t gid; 69 __compat_uid_t cuid; 70 __compat_gid_t cgid; 71 unsigned short int __pad1; 72 compat_mode_t mode; 73 unsigned short int __pad2; 74 unsigned short int seq; 75 unsigned int __pad3; 76 unsigned long __unused1; /* yes they really are 64bit pads */ 77 unsigned long __unused2; 78}; 79 80struct compat_semid64_ds { 81 struct compat_ipc64_perm sem_perm; 82 unsigned int sem_otime_high; 83 unsigned int sem_otime; 84 unsigned int sem_ctime_high; 85 unsigned int sem_ctime; 86 compat_ulong_t sem_nsems; 87 compat_ulong_t __unused3; 88 compat_ulong_t __unused4; 89}; 90 91struct compat_msqid64_ds { 92 struct compat_ipc64_perm msg_perm; 93 unsigned int msg_stime_high; 94 unsigned int msg_stime; 95 unsigned int msg_rtime_high; 96 unsigned int msg_rtime; 97 unsigned int msg_ctime_high; 98 unsigned int msg_ctime; 99 compat_ulong_t msg_cbytes; 100 compat_ulong_t msg_qnum; 101 compat_ulong_t msg_qbytes; 102 compat_pid_t msg_lspid; 103 compat_pid_t msg_lrpid; 104 compat_ulong_t __unused4; 105 compat_ulong_t __unused5; 106}; 107 108struct compat_shmid64_ds { 109 struct compat_ipc64_perm shm_perm; 110 unsigned int shm_atime_high; 111 unsigned int shm_atime; 112 unsigned int shm_dtime_high; 113 unsigned int shm_dtime; 114 unsigned int shm_ctime_high; 115 unsigned int shm_ctime; 116 unsigned int __unused4; 117 compat_size_t shm_segsz; 118 compat_pid_t shm_cpid; 119 compat_pid_t shm_lpid; 120 compat_ulong_t shm_nattch; 121 compat_ulong_t __unused5; 122 compat_ulong_t __unused6; 123}; 124 125/* 126 * The type of struct elf_prstatus.pr_reg in compatible core dumps. 127 */ 128#define COMPAT_ELF_NGREG 80 129typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; 130 131static inline int __is_compat_task(struct task_struct *t) 132{ 133 return test_tsk_thread_flag(t, TIF_32BIT); 134} 135 136static inline int is_compat_task(void) 137{ 138 return __is_compat_task(current); 139} 140 141#endif /* _ASM_PARISC_COMPAT_H */