1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_SPARC64_COMPAT_H
3 #define _ASM_SPARC64_COMPAT_H
4 /*
5 * Architecture specific compatibility types
6 */
7 #include <linux/types.h>
8
9 #define compat_mode_t compat_mode_t
10 typedef u16 compat_mode_t;
11
12 #define __compat_uid_t __compat_uid_t
13 typedef u16 __compat_uid_t;
14 typedef u16 __compat_gid_t;
15
16 #define compat_dev_t compat_dev_t
17 typedef u16 compat_dev_t;
18
19 #define compat_ipc_pid_t compat_ipc_pid_t
20 typedef u16 compat_ipc_pid_t;
21
22 #define compat_ipc64_perm compat_ipc64_perm
23
24 #define COMPAT_RLIM_INFINITY 0x7fffffff
25
26 #include <asm-generic/compat.h>
27
28 #define COMPAT_UTS_MACHINE "sparc\0\0"
29
30 typedef s16 compat_nlink_t;
31
32 struct compat_stat {
33 compat_dev_t st_dev;
34 compat_ino_t st_ino;
35 compat_mode_t st_mode;
36 compat_nlink_t st_nlink;
37 __compat_uid_t st_uid;
38 __compat_gid_t st_gid;
39 compat_dev_t st_rdev;
40 compat_off_t st_size;
41 old_time32_t st_atime;
42 compat_ulong_t st_atime_nsec;
43 old_time32_t st_mtime;
44 compat_ulong_t st_mtime_nsec;
45 old_time32_t st_ctime;
46 compat_ulong_t st_ctime_nsec;
47 compat_off_t st_blksize;
48 compat_off_t st_blocks;
49 u32 __unused4[2];
50 };
51
52 struct compat_stat64 {
53 unsigned long long st_dev;
54
55 unsigned long long st_ino;
56
57 unsigned int st_mode;
58 unsigned int st_nlink;
59
60 unsigned int st_uid;
61 unsigned int st_gid;
62
63 unsigned long long st_rdev;
64
65 unsigned char __pad3[8];
66
67 long long st_size;
68 unsigned int st_blksize;
69
70 unsigned char __pad4[8];
71 unsigned int st_blocks;
72
73 unsigned int st_atime;
74 unsigned int st_atime_nsec;
75
76 unsigned int st_mtime;
77 unsigned int st_mtime_nsec;
78
79 unsigned int st_ctime;
80 unsigned int st_ctime_nsec;
81
82 unsigned int __unused4;
83 unsigned int __unused5;
84 };
85
86 #define __ARCH_COMPAT_FLOCK_PAD short __unused;
87
88 struct compat_ipc64_perm {
89 compat_key_t key;
90 __compat_uid32_t uid;
91 __compat_gid32_t gid;
92 __compat_uid32_t cuid;
93 __compat_gid32_t cgid;
94 unsigned short __pad1;
95 compat_mode_t mode;
96 unsigned short __pad2;
97 unsigned short seq;
98 unsigned long __unused1; /* yes they really are 64bit pads */
99 unsigned long __unused2;
100 };
101
102 struct compat_semid64_ds {
103 struct compat_ipc64_perm sem_perm;
104 unsigned int sem_otime_high;
105 unsigned int sem_otime;
106 unsigned int sem_ctime_high;
107 unsigned int sem_ctime;
108 u32 sem_nsems;
109 u32 __unused1;
110 u32 __unused2;
111 };
112
113 struct compat_msqid64_ds {
114 struct compat_ipc64_perm msg_perm;
115 unsigned int msg_stime_high;
116 unsigned int msg_stime;
117 unsigned int msg_rtime_high;
118 unsigned int msg_rtime;
119 unsigned int msg_ctime_high;
120 unsigned int msg_ctime;
121 unsigned int msg_cbytes;
122 unsigned int msg_qnum;
123 unsigned int msg_qbytes;
124 compat_pid_t msg_lspid;
125 compat_pid_t msg_lrpid;
126 unsigned int __unused1;
127 unsigned int __unused2;
128 };
129
130 struct compat_shmid64_ds {
131 struct compat_ipc64_perm shm_perm;
132 unsigned int shm_atime_high;
133 unsigned int shm_atime;
134 unsigned int shm_dtime_high;
135 unsigned int shm_dtime;
136 unsigned int shm_ctime_high;
137 unsigned int shm_ctime;
138 compat_size_t shm_segsz;
139 compat_pid_t shm_cpid;
140 compat_pid_t shm_lpid;
141 unsigned int shm_nattch;
142 unsigned int __unused1;
143 unsigned int __unused2;
144 };
145
146 #ifdef CONFIG_COMPAT
147 static inline int is_compat_task(void)
148 {
149 return test_thread_flag(TIF_32BIT);
150 }
151
152 static inline bool in_compat_syscall(void)
153 {
154 /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */
155 return pt_regs_trap_type(current_pt_regs()) == 0x110;
156 }
157 #define in_compat_syscall in_compat_syscall
158 #endif
159
160 #endif /* _ASM_SPARC64_COMPAT_H */
161
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