arch/parisc/include/asm/compat.h

   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 */