~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/tile/include/asm/compat.h

Version: ~ [ linux-6.2-rc3 ] ~ [ linux-6.1.5 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.87 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.162 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.228 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.269 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.302 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.302 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * Copyright 2010 Tilera Corporation. All Rights Reserved.
  3  *
  4  *   This program is free software; you can redistribute it and/or
  5  *   modify it under the terms of the GNU General Public License
  6  *   as published by the Free Software Foundation, version 2.
  7  *
  8  *   This program is distributed in the hope that it will be useful, but
  9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
 10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
 11  *   NON INFRINGEMENT.  See the GNU General Public License for
 12  *   more details.
 13  */
 14 
 15 #ifndef _ASM_TILE_COMPAT_H
 16 #define _ASM_TILE_COMPAT_H
 17 
 18 /*
 19  * Architecture specific compatibility types
 20  */
 21 #include <linux/types.h>
 22 #include <linux/sched.h>
 23 
 24 #define COMPAT_USER_HZ  100
 25 
 26 /* "long" and pointer-based types are different. */
 27 typedef s32             compat_long_t;
 28 typedef u32             compat_ulong_t;
 29 typedef u32             compat_size_t;
 30 typedef s32             compat_ssize_t;
 31 typedef s32             compat_off_t;
 32 typedef s32             compat_time_t;
 33 typedef s32             compat_clock_t;
 34 typedef u32             compat_ino_t;
 35 typedef u32             compat_caddr_t;
 36 typedef u32             compat_uptr_t;
 37 
 38 /* Many types are "int" or otherwise the same. */
 39 typedef __kernel_pid_t compat_pid_t;
 40 typedef __kernel_uid_t __compat_uid_t;
 41 typedef __kernel_gid_t __compat_gid_t;
 42 typedef __kernel_uid32_t __compat_uid32_t;
 43 typedef __kernel_uid32_t __compat_gid32_t;
 44 typedef __kernel_mode_t compat_mode_t;
 45 typedef __kernel_dev_t compat_dev_t;
 46 typedef __kernel_loff_t compat_loff_t;
 47 typedef __kernel_ipc_pid_t compat_ipc_pid_t;
 48 typedef __kernel_daddr_t compat_daddr_t;
 49 typedef __kernel_fsid_t compat_fsid_t;
 50 typedef __kernel_timer_t compat_timer_t;
 51 typedef __kernel_key_t compat_key_t;
 52 typedef int compat_int_t;
 53 typedef s64 compat_s64;
 54 typedef uint compat_uint_t;
 55 typedef u64 compat_u64;
 56 
 57 /* We use the same register dump format in 32-bit images. */
 58 typedef unsigned long compat_elf_greg_t;
 59 #define COMPAT_ELF_NGREG (sizeof(struct pt_regs) / sizeof(compat_elf_greg_t))
 60 typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
 61 
 62 struct compat_timespec {
 63         compat_time_t   tv_sec;
 64         s32             tv_nsec;
 65 };
 66 
 67 struct compat_timeval {
 68         compat_time_t   tv_sec;
 69         s32             tv_usec;
 70 };
 71 
 72 #define compat_stat stat
 73 #define compat_statfs statfs
 74 
 75 struct compat_sysctl {
 76         unsigned int    name;
 77         int             nlen;
 78         unsigned int    oldval;
 79         unsigned int    oldlenp;
 80         unsigned int    newval;
 81         unsigned int    newlen;
 82         unsigned int    __unused[4];
 83 };
 84 
 85 
 86 struct compat_flock {
 87         short           l_type;
 88         short           l_whence;
 89         compat_off_t    l_start;
 90         compat_off_t    l_len;
 91         compat_pid_t    l_pid;
 92 };
 93 
 94 #define F_GETLK64       12      /*  using 'struct flock64' */
 95 #define F_SETLK64       13
 96 #define F_SETLKW64      14
 97 
 98 struct compat_flock64 {
 99         short           l_type;
100         short           l_whence;
101         compat_loff_t   l_start;
102         compat_loff_t   l_len;
103         compat_pid_t    l_pid;
104 };
105 
106 #define COMPAT_RLIM_INFINITY            0xffffffff
107 
108 #define _COMPAT_NSIG            64
109 #define _COMPAT_NSIG_BPW        32
110 
111 typedef u32               compat_sigset_word;
112 
113 typedef union compat_sigval {
114         compat_int_t    sival_int;
115         compat_uptr_t   sival_ptr;
116 } compat_sigval_t;
117 
118 #define COMPAT_SI_PAD_SIZE      (128/sizeof(int) - 3)
119 
120 typedef struct compat_siginfo {
121         int si_signo;
122         int si_errno;
123         int si_code;
124 
125         union {
126                 int _pad[COMPAT_SI_PAD_SIZE];
127 
128                 /* kill() */
129                 struct {
130                         unsigned int _pid;      /* sender's pid */
131                         unsigned int _uid;      /* sender's uid */
132                 } _kill;
133 
134                 /* POSIX.1b timers */
135                 struct {
136                         compat_timer_t _tid;    /* timer id */
137                         int _overrun;           /* overrun count */
138                         compat_sigval_t _sigval;        /* same as below */
139                         int _sys_private;       /* not to be passed to user */
140                         int _overrun_incr;      /* amount to add to overrun */
141                 } _timer;
142 
143                 /* POSIX.1b signals */
144                 struct {
145                         unsigned int _pid;      /* sender's pid */
146                         unsigned int _uid;      /* sender's uid */
147                         compat_sigval_t _sigval;
148                 } _rt;
149 
150                 /* SIGCHLD */
151                 struct {
152                         unsigned int _pid;      /* which child */
153                         unsigned int _uid;      /* sender's uid */
154                         int _status;            /* exit code */
155                         compat_clock_t _utime;
156                         compat_clock_t _stime;
157                 } _sigchld;
158 
159                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
160                 struct {
161                         unsigned int _addr;     /* faulting insn/memory ref. */
162 #ifdef __ARCH_SI_TRAPNO
163                         int _trapno;    /* TRAP # which caused the signal */
164 #endif
165                 } _sigfault;
166 
167                 /* SIGPOLL */
168                 struct {
169                         int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
170                         int _fd;
171                 } _sigpoll;
172         } _sifields;
173 } compat_siginfo_t;
174 
175 #define COMPAT_OFF_T_MAX        0x7fffffff
176 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
177 
178 struct compat_ipc64_perm {
179         compat_key_t key;
180         __compat_uid32_t uid;
181         __compat_gid32_t gid;
182         __compat_uid32_t cuid;
183         __compat_gid32_t cgid;
184         unsigned short mode;
185         unsigned short __pad1;
186         unsigned short seq;
187         unsigned short __pad2;
188         compat_ulong_t unused1;
189         compat_ulong_t unused2;
190 };
191 
192 struct compat_semid64_ds {
193         struct compat_ipc64_perm sem_perm;
194         compat_time_t  sem_otime;
195         compat_ulong_t __unused1;
196         compat_time_t  sem_ctime;
197         compat_ulong_t __unused2;
198         compat_ulong_t sem_nsems;
199         compat_ulong_t __unused3;
200         compat_ulong_t __unused4;
201 };
202 
203 struct compat_msqid64_ds {
204         struct compat_ipc64_perm msg_perm;
205         compat_time_t  msg_stime;
206         compat_ulong_t __unused1;
207         compat_time_t  msg_rtime;
208         compat_ulong_t __unused2;
209         compat_time_t  msg_ctime;
210         compat_ulong_t __unused3;
211         compat_ulong_t msg_cbytes;
212         compat_ulong_t msg_qnum;
213         compat_ulong_t msg_qbytes;
214         compat_pid_t   msg_lspid;
215         compat_pid_t   msg_lrpid;
216         compat_ulong_t __unused4;
217         compat_ulong_t __unused5;
218 };
219 
220 struct compat_shmid64_ds {
221         struct compat_ipc64_perm shm_perm;
222         compat_size_t  shm_segsz;
223         compat_time_t  shm_atime;
224         compat_ulong_t __unused1;
225         compat_time_t  shm_dtime;
226         compat_ulong_t __unused2;
227         compat_time_t  shm_ctime;
228         compat_ulong_t __unused3;
229         compat_pid_t   shm_cpid;
230         compat_pid_t   shm_lpid;
231         compat_ulong_t shm_nattch;
232         compat_ulong_t __unused4;
233         compat_ulong_t __unused5;
234 };
235 
236 /*
237  * A pointer passed in from user mode. This should not
238  * be used for syscall parameters, just declare them
239  * as pointers because the syscall entry code will have
240  * appropriately converted them already.
241  */
242 
243 static inline void __user *compat_ptr(compat_uptr_t uptr)
244 {
245         return (void __user *)(long)(s32)uptr;
246 }
247 
248 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
249 {
250         return (u32)(unsigned long)uptr;
251 }
252 
253 /* Sign-extend when storing a kernel pointer to a user's ptregs. */
254 static inline unsigned long ptr_to_compat_reg(void __user *uptr)
255 {
256         return (long)(int)(long __force)uptr;
257 }
258 
259 static inline void __user *arch_compat_alloc_user_space(long len)
260 {
261         struct pt_regs *regs = task_pt_regs(current);
262         return (void __user *)regs->sp - len;
263 }
264 
265 static inline int is_compat_task(void)
266 {
267         return current_thread_info()->status & TS_COMPAT;
268 }
269 
270 extern int compat_setup_rt_frame(struct ksignal *ksig, sigset_t *set,
271                                  struct pt_regs *regs);
272 
273 /* Compat syscalls. */
274 struct compat_siginfo;
275 struct compat_sigaltstack;
276 long compat_sys_rt_sigreturn(void);
277 long compat_sys_truncate64(char __user *filename, u32 dummy, u32 low, u32 high);
278 long compat_sys_ftruncate64(unsigned int fd, u32 dummy, u32 low, u32 high);
279 long compat_sys_pread64(unsigned int fd, char __user *ubuf, size_t count,
280                         u32 dummy, u32 low, u32 high);
281 long compat_sys_pwrite64(unsigned int fd, char __user *ubuf, size_t count,
282                          u32 dummy, u32 low, u32 high);
283 long compat_sys_sync_file_range2(int fd, unsigned int flags,
284                                  u32 offset_lo, u32 offset_hi,
285                                  u32 nbytes_lo, u32 nbytes_hi);
286 long compat_sys_fallocate(int fd, int mode,
287                           u32 offset_lo, u32 offset_hi,
288                           u32 len_lo, u32 len_hi);
289 long compat_sys_llseek(unsigned int fd, unsigned int offset_high,
290                        unsigned int offset_low, loff_t __user * result,
291                        unsigned int origin);
292 
293 /* Assembly trampoline to avoid clobbering r0. */
294 long _compat_sys_rt_sigreturn(void);
295 
296 #endif /* _ASM_TILE_COMPAT_H */
297 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp