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1#ifndef _ASM_SPARC64_COMPAT_H
2#define _ASM_SPARC64_COMPAT_H
3/*
4 * Architecture specific compatibility types
5 */
6#include <linux/types.h>
7
8#define COMPAT_USER_HZ 100
9#define COMPAT_UTS_MACHINE "sparc\0\0"
10
11typedef u32 compat_size_t;
12typedef s32 compat_ssize_t;
13typedef s32 compat_time_t;
14typedef s32 compat_clock_t;
15typedef s32 compat_pid_t;
16typedef u16 __compat_uid_t;
17typedef u16 __compat_gid_t;
18typedef u32 __compat_uid32_t;
19typedef u32 __compat_gid32_t;
20typedef u16 compat_mode_t;
21typedef u32 compat_ino_t;
22typedef u16 compat_dev_t;
23typedef s32 compat_off_t;
24typedef s64 compat_loff_t;
25typedef s16 compat_nlink_t;
26typedef u16 compat_ipc_pid_t;
27typedef s32 compat_daddr_t;
28typedef u32 compat_caddr_t;
29typedef __kernel_fsid_t compat_fsid_t;
30typedef s32 compat_key_t;
31typedef s32 compat_timer_t;
32
33typedef s32 compat_int_t;
34typedef s32 compat_long_t;
35typedef s64 compat_s64;
36typedef u32 compat_uint_t;
37typedef u32 compat_ulong_t;
38typedef u64 compat_u64;
39
40struct compat_timespec {
41 compat_time_t tv_sec;
42 s32 tv_nsec;
43};
44
45struct compat_timeval {
46 compat_time_t tv_sec;
47 s32 tv_usec;
48};
49
50struct compat_stat {
51 compat_dev_t st_dev;
52 compat_ino_t st_ino;
53 compat_mode_t st_mode;
54 compat_nlink_t st_nlink;
55 __compat_uid_t st_uid;
56 __compat_gid_t st_gid;
57 compat_dev_t st_rdev;
58 compat_off_t st_size;
59 compat_time_t st_atime;
60 compat_ulong_t st_atime_nsec;
61 compat_time_t st_mtime;
62 compat_ulong_t st_mtime_nsec;
63 compat_time_t st_ctime;
64 compat_ulong_t st_ctime_nsec;
65 compat_off_t st_blksize;
66 compat_off_t st_blocks;
67 u32 __unused4[2];
68};
69
70struct compat_stat64 {
71 unsigned long long st_dev;
72
73 unsigned long long st_ino;
74
75 unsigned int st_mode;
76 unsigned int st_nlink;
77
78 unsigned int st_uid;
79 unsigned int st_gid;
80
81 unsigned long long st_rdev;
82
83 unsigned char __pad3[8];
84
85 long long st_size;
86 unsigned int st_blksize;
87
88 unsigned char __pad4[8];
89 unsigned int st_blocks;
90
91 unsigned int st_atime;
92 unsigned int st_atime_nsec;
93
94 unsigned int st_mtime;
95 unsigned int st_mtime_nsec;
96
97 unsigned int st_ctime;
98 unsigned int st_ctime_nsec;
99
100 unsigned int __unused4;
101 unsigned int __unused5;
102};
103
104struct compat_flock {
105 short l_type;
106 short l_whence;
107 compat_off_t l_start;
108 compat_off_t l_len;
109 compat_pid_t l_pid;
110 short __unused;
111};
112
113#define F_GETLK64 12
114#define F_SETLK64 13
115#define F_SETLKW64 14
116
117struct compat_flock64 {
118 short l_type;
119 short l_whence;
120 compat_loff_t l_start;
121 compat_loff_t l_len;
122 compat_pid_t l_pid;
123 short __unused;
124};
125
126struct compat_statfs {
127 int f_type;
128 int f_bsize;
129 int f_blocks;
130 int f_bfree;
131 int f_bavail;
132 int f_files;
133 int f_ffree;
134 compat_fsid_t f_fsid;
135 int f_namelen; /* SunOS ignores this field. */
136 int f_frsize;
137 int f_spare[5];
138};
139
140#define COMPAT_RLIM_INFINITY 0x7fffffff
141
142typedef u32 compat_old_sigset_t;
143
144#define _COMPAT_NSIG 64
145#define _COMPAT_NSIG_BPW 32
146
147typedef u32 compat_sigset_word;
148
149#define COMPAT_OFF_T_MAX 0x7fffffff
150#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
151
152/*
153 * A pointer passed in from user mode. This should not
154 * be used for syscall parameters, just declare them
155 * as pointers because the syscall entry code will have
156 * appropriately converted them already.
157 */
158typedef u32 compat_uptr_t;
159
160static inline void __user *compat_ptr(compat_uptr_t uptr)
161{
162 return (void __user *)(unsigned long)uptr;
163}
164
165static inline compat_uptr_t ptr_to_compat(void __user *uptr)
166{
167 return (u32)(unsigned long)uptr;
168}
169
170static inline void __user *arch_compat_alloc_user_space(long len)
171{
172 struct pt_regs *regs = current_thread_info()->kregs;
173 unsigned long usp = regs->u_regs[UREG_I6];
174
175 if (!(test_thread_flag(TIF_32BIT)))
176 usp += STACK_BIAS;
177 else
178 usp &= 0xffffffffUL;
179
180 usp -= len;
181 usp &= ~0x7UL;
182
183 return (void __user *) usp;
184}
185
186struct compat_ipc64_perm {
187 compat_key_t key;
188 __compat_uid32_t uid;
189 __compat_gid32_t gid;
190 __compat_uid32_t cuid;
191 __compat_gid32_t cgid;
192 unsigned short __pad1;
193 compat_mode_t mode;
194 unsigned short __pad2;
195 unsigned short seq;
196 unsigned long __unused1; /* yes they really are 64bit pads */
197 unsigned long __unused2;
198};
199
200struct compat_semid64_ds {
201 struct compat_ipc64_perm sem_perm;
202 unsigned int __pad1;
203 compat_time_t sem_otime;
204 unsigned int __pad2;
205 compat_time_t sem_ctime;
206 u32 sem_nsems;
207 u32 __unused1;
208 u32 __unused2;
209};
210
211struct compat_msqid64_ds {
212 struct compat_ipc64_perm msg_perm;
213 unsigned int __pad1;
214 compat_time_t msg_stime;
215 unsigned int __pad2;
216 compat_time_t msg_rtime;
217 unsigned int __pad3;
218 compat_time_t msg_ctime;
219 unsigned int msg_cbytes;
220 unsigned int msg_qnum;
221 unsigned int msg_qbytes;
222 compat_pid_t msg_lspid;
223 compat_pid_t msg_lrpid;
224 unsigned int __unused1;
225 unsigned int __unused2;
226};
227
228struct compat_shmid64_ds {
229 struct compat_ipc64_perm shm_perm;
230 unsigned int __pad1;
231 compat_time_t shm_atime;
232 unsigned int __pad2;
233 compat_time_t shm_dtime;
234 unsigned int __pad3;
235 compat_time_t shm_ctime;
236 compat_size_t shm_segsz;
237 compat_pid_t shm_cpid;
238 compat_pid_t shm_lpid;
239 unsigned int shm_nattch;
240 unsigned int __unused1;
241 unsigned int __unused2;
242};
243
244static inline int is_compat_task(void)
245{
246 return test_thread_flag(TIF_32BIT);
247}
248
249#endif /* _ASM_SPARC64_COMPAT_H */
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#include <asm-generic/compat.h>
10
11#define COMPAT_USER_HZ 100
12#define COMPAT_UTS_MACHINE "sparc\0\0"
13
14typedef u16 __compat_uid_t;
15typedef u16 __compat_gid_t;
16typedef u32 __compat_uid32_t;
17typedef u32 __compat_gid32_t;
18typedef u16 compat_mode_t;
19typedef u16 compat_dev_t;
20typedef s16 compat_nlink_t;
21typedef u16 compat_ipc_pid_t;
22typedef u32 compat_caddr_t;
23typedef __kernel_fsid_t compat_fsid_t;
24typedef s64 compat_s64;
25typedef u64 compat_u64;
26struct compat_stat {
27 compat_dev_t st_dev;
28 compat_ino_t st_ino;
29 compat_mode_t st_mode;
30 compat_nlink_t st_nlink;
31 __compat_uid_t st_uid;
32 __compat_gid_t st_gid;
33 compat_dev_t st_rdev;
34 compat_off_t st_size;
35 old_time32_t st_atime;
36 compat_ulong_t st_atime_nsec;
37 old_time32_t st_mtime;
38 compat_ulong_t st_mtime_nsec;
39 old_time32_t st_ctime;
40 compat_ulong_t st_ctime_nsec;
41 compat_off_t st_blksize;
42 compat_off_t st_blocks;
43 u32 __unused4[2];
44};
45
46struct compat_stat64 {
47 unsigned long long st_dev;
48
49 unsigned long long st_ino;
50
51 unsigned int st_mode;
52 unsigned int st_nlink;
53
54 unsigned int st_uid;
55 unsigned int st_gid;
56
57 unsigned long long st_rdev;
58
59 unsigned char __pad3[8];
60
61 long long st_size;
62 unsigned int st_blksize;
63
64 unsigned char __pad4[8];
65 unsigned int st_blocks;
66
67 unsigned int st_atime;
68 unsigned int st_atime_nsec;
69
70 unsigned int st_mtime;
71 unsigned int st_mtime_nsec;
72
73 unsigned int st_ctime;
74 unsigned int st_ctime_nsec;
75
76 unsigned int __unused4;
77 unsigned int __unused5;
78};
79
80struct compat_flock {
81 short l_type;
82 short l_whence;
83 compat_off_t l_start;
84 compat_off_t l_len;
85 compat_pid_t l_pid;
86 short __unused;
87};
88
89#define F_GETLK64 12
90#define F_SETLK64 13
91#define F_SETLKW64 14
92
93struct compat_flock64 {
94 short l_type;
95 short l_whence;
96 compat_loff_t l_start;
97 compat_loff_t l_len;
98 compat_pid_t l_pid;
99 short __unused;
100};
101
102struct compat_statfs {
103 int f_type;
104 int f_bsize;
105 int f_blocks;
106 int f_bfree;
107 int f_bavail;
108 int f_files;
109 int f_ffree;
110 compat_fsid_t f_fsid;
111 int f_namelen; /* SunOS ignores this field. */
112 int f_frsize;
113 int f_flags;
114 int f_spare[4];
115};
116
117#define COMPAT_RLIM_INFINITY 0x7fffffff
118
119typedef u32 compat_old_sigset_t;
120
121#define _COMPAT_NSIG 64
122#define _COMPAT_NSIG_BPW 32
123
124typedef u32 compat_sigset_word;
125
126#define COMPAT_OFF_T_MAX 0x7fffffff
127
128/*
129 * A pointer passed in from user mode. This should not
130 * be used for syscall parameters, just declare them
131 * as pointers because the syscall entry code will have
132 * appropriately converted them already.
133 */
134
135static inline void __user *compat_ptr(compat_uptr_t uptr)
136{
137 return (void __user *)(unsigned long)uptr;
138}
139
140static inline compat_uptr_t ptr_to_compat(void __user *uptr)
141{
142 return (u32)(unsigned long)uptr;
143}
144
145#ifdef CONFIG_COMPAT
146static inline void __user *arch_compat_alloc_user_space(long len)
147{
148 struct pt_regs *regs = current_thread_info()->kregs;
149 unsigned long usp = regs->u_regs[UREG_I6];
150
151 if (test_thread_64bit_stack(usp))
152 usp += STACK_BIAS;
153
154 if (test_thread_flag(TIF_32BIT))
155 usp &= 0xffffffffUL;
156
157 usp -= len;
158 usp &= ~0x7UL;
159
160 return (void __user *) usp;
161}
162#endif
163
164struct compat_ipc64_perm {
165 compat_key_t key;
166 __compat_uid32_t uid;
167 __compat_gid32_t gid;
168 __compat_uid32_t cuid;
169 __compat_gid32_t cgid;
170 unsigned short __pad1;
171 compat_mode_t mode;
172 unsigned short __pad2;
173 unsigned short seq;
174 unsigned long __unused1; /* yes they really are 64bit pads */
175 unsigned long __unused2;
176};
177
178struct compat_semid64_ds {
179 struct compat_ipc64_perm sem_perm;
180 unsigned int sem_otime_high;
181 unsigned int sem_otime;
182 unsigned int sem_ctime_high;
183 unsigned int sem_ctime;
184 u32 sem_nsems;
185 u32 __unused1;
186 u32 __unused2;
187};
188
189struct compat_msqid64_ds {
190 struct compat_ipc64_perm msg_perm;
191 unsigned int msg_stime_high;
192 unsigned int msg_stime;
193 unsigned int msg_rtime_high;
194 unsigned int msg_rtime;
195 unsigned int msg_ctime_high;
196 unsigned int msg_ctime;
197 unsigned int msg_cbytes;
198 unsigned int msg_qnum;
199 unsigned int msg_qbytes;
200 compat_pid_t msg_lspid;
201 compat_pid_t msg_lrpid;
202 unsigned int __unused1;
203 unsigned int __unused2;
204};
205
206struct compat_shmid64_ds {
207 struct compat_ipc64_perm shm_perm;
208 unsigned int shm_atime_high;
209 unsigned int shm_atime;
210 unsigned int shm_dtime_high;
211 unsigned int shm_dtime;
212 unsigned int shm_ctime_high;
213 unsigned int shm_ctime;
214 compat_size_t shm_segsz;
215 compat_pid_t shm_cpid;
216 compat_pid_t shm_lpid;
217 unsigned int shm_nattch;
218 unsigned int __unused1;
219 unsigned int __unused2;
220};
221
222#ifdef CONFIG_COMPAT
223static inline int is_compat_task(void)
224{
225 return test_thread_flag(TIF_32BIT);
226}
227
228static inline bool in_compat_syscall(void)
229{
230 /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */
231 return pt_regs_trap_type(current_pt_regs()) == 0x110;
232}
233#define in_compat_syscall in_compat_syscall
234#endif
235
236#endif /* _ASM_SPARC64_COMPAT_H */