| 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 |
| 12 | typedef u16 compat_mode_t; |
| 13 | |
| 14 | #define compat_ipc_pid_t compat_ipc_pid_t |
| 15 | typedef 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 | |
| 23 | typedef u16 compat_nlink_t; |
| 24 | |
| 25 | struct 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 | |
| 56 | struct 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 | |
| 65 | struct 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 | |
| 80 | struct 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 | |
| 91 | struct 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 | |
| 108 | struct 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 |
| 129 | typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; |
| 130 | |
| 131 | static inline int __is_compat_task(struct task_struct *t) |
| 132 | { |
| 133 | return test_tsk_thread_flag(t, TIF_32BIT); |
| 134 | } |
| 135 | |
| 136 | static inline int is_compat_task(void) |
| 137 | { |
| 138 | return __is_compat_task(current); |
| 139 | } |
| 140 | |
| 141 | #endif /* _ASM_PARISC_COMPAT_H */ |