1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_PARISC_COMPAT_H
3 #define _ASM_PARISC_COMPAT_H
5 * Architecture specific compatibility types
7 #include <linux/types.h>
8 #include <linux/sched.h>
9 #include <linux/thread_info.h>
11 #include <asm-generic/compat.h>
13 #define COMPAT_USER_HZ 100
14 #define COMPAT_UTS_MACHINE "parisc\0\0"
16 typedef u32 __compat_uid_t;
17 typedef u32 __compat_gid_t;
18 typedef u32 __compat_uid32_t;
19 typedef u32 __compat_gid32_t;
20 typedef u16 compat_mode_t;
21 typedef u32 compat_dev_t;
22 typedef u16 compat_nlink_t;
23 typedef u16 compat_ipc_pid_t;
24 typedef u32 compat_caddr_t;
25 typedef s64 compat_s64;
26 typedef u64 compat_u64;
29 compat_dev_t st_dev; /* dev_t is 32 bits on parisc */
30 compat_ino_t st_ino; /* 32 bits */
31 compat_mode_t st_mode; /* 16 bits */
32 compat_nlink_t st_nlink; /* 16 bits */
33 u16 st_reserved1; /* old st_uid */
34 u16 st_reserved2; /* old st_gid */
37 old_time32_t st_atime;
39 old_time32_t st_mtime;
41 old_time32_t st_ctime;
45 u32 __unused1; /* ACL stuff */
46 compat_dev_t __unused2; /* network */
47 compat_ino_t __unused3; /* network */
48 u32 __unused4; /* cnodes */
49 u16 __unused5; /* netsite */
51 compat_dev_t st_realdev;
54 __compat_uid32_t st_uid;
55 __compat_gid32_t st_gid;
67 struct compat_flock64 {
70 compat_loff_t l_start;
75 struct compat_statfs {
83 __kernel_fsid_t f_fsid;
90 struct compat_sigcontext {
91 compat_int_t sc_flags;
92 compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
94 compat_int_t sc_iasq[2];
95 compat_int_t sc_iaoq[2];
96 compat_int_t sc_sar; /* cr11 */
99 #define COMPAT_RLIM_INFINITY 0xffffffff
101 typedef u32 compat_old_sigset_t; /* at least 32 bits */
103 #define _COMPAT_NSIG 64
104 #define _COMPAT_NSIG_BPW 32
106 typedef u32 compat_sigset_word;
108 #define COMPAT_OFF_T_MAX 0x7fffffff
110 struct compat_ipc64_perm {
116 unsigned short int __pad1;
118 unsigned short int __pad2;
119 unsigned short int seq;
121 unsigned long __unused1; /* yes they really are 64bit pads */
122 unsigned long __unused2;
125 struct compat_semid64_ds {
126 struct compat_ipc64_perm sem_perm;
127 unsigned int sem_otime_high;
128 unsigned int sem_otime;
129 unsigned int sem_ctime_high;
130 unsigned int sem_ctime;
131 compat_ulong_t sem_nsems;
132 compat_ulong_t __unused3;
133 compat_ulong_t __unused4;
136 struct compat_msqid64_ds {
137 struct compat_ipc64_perm msg_perm;
138 unsigned int msg_stime_high;
139 unsigned int msg_stime;
140 unsigned int msg_rtime_high;
141 unsigned int msg_rtime;
142 unsigned int msg_ctime_high;
143 unsigned int msg_ctime;
144 compat_ulong_t msg_cbytes;
145 compat_ulong_t msg_qnum;
146 compat_ulong_t msg_qbytes;
147 compat_pid_t msg_lspid;
148 compat_pid_t msg_lrpid;
149 compat_ulong_t __unused4;
150 compat_ulong_t __unused5;
153 struct compat_shmid64_ds {
154 struct compat_ipc64_perm shm_perm;
155 unsigned int shm_atime_high;
156 unsigned int shm_atime;
157 unsigned int shm_dtime_high;
158 unsigned int shm_dtime;
159 unsigned int shm_ctime_high;
160 unsigned int shm_ctime;
161 unsigned int __unused4;
162 compat_size_t shm_segsz;
163 compat_pid_t shm_cpid;
164 compat_pid_t shm_lpid;
165 compat_ulong_t shm_nattch;
166 compat_ulong_t __unused5;
167 compat_ulong_t __unused6;
171 * The type of struct elf_prstatus.pr_reg in compatible core dumps.
173 #define COMPAT_ELF_NGREG 80
174 typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
176 static __inline__ void __user *arch_compat_alloc_user_space(long len)
178 struct pt_regs *regs = ¤t->thread.regs;
179 return (void __user *)regs->gr[30];
182 static inline int __is_compat_task(struct task_struct *t)
184 return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
187 static inline int is_compat_task(void)
189 return __is_compat_task(current);
192 #endif /* _ASM_PARISC_COMPAT_H */