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1 
2 /*--------------------------------------------------------------------*/
3 /*--- s390x/Linux-specific kernel interface.     vki-s390x-linux.h ---*/
4 /*--------------------------------------------------------------------*/
5 
6 /*
7    This file is part of Valgrind, a dynamic binary instrumentation
8    framework.
9 
10    Copyright IBM Corp. 2010-2011
11 
12    This program is free software; you can redistribute it and/or
13    modify it under the terms of the GNU General Public License as
14    published by the Free Software Foundation; either version 2 of the
15    License, or (at your option) any later version.
16 
17    This program is distributed in the hope that it will be useful, but
18    WITHOUT ANY WARRANTY; without even the implied warranty of
19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
20    General Public License for more details.
21 
22    You should have received a copy of the GNU General Public License
23    along with this program; if not, write to the Free Software
24    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25    02111-1307, USA.
26 
27    The GNU General Public License is contained in the file COPYING.
28 */
29 
30 /* Contributed by Florian Krohm and Volker Sameske */
31 
32 #ifndef __VKI_S390X_LINUX_H
33 #define __VKI_S390X_LINUX_H
34 
35 #define __force
36 
37 //----------------------------------------------------------------------
38 // From linux-2.6.16.60/include/asm-s390/types.h
39 //----------------------------------------------------------------------
40 
41 typedef __signed__ char __vki_s8;
42 typedef unsigned char __vki_u8;
43 
44 typedef __signed__ short __vki_s16;
45 typedef unsigned short __vki_u16;
46 
47 typedef __signed__ int __vki_s32;
48 typedef unsigned int __vki_u32;
49 
50 typedef __signed__ long __vki_s64;
51 typedef unsigned long __vki_u64;
52 
53 typedef unsigned short vki_u16;
54 
55 typedef unsigned int vki_u32;
56 
57 //----------------------------------------------------------------------
58 // From linux-2.6.16.60/include/asm-s390/page.h
59 //----------------------------------------------------------------------
60 
61 /* PAGE_SHIFT determines the page size */
62 #define VKI_PAGE_SHIFT  12
63 #define VKI_PAGE_SIZE   (1UL << VKI_PAGE_SHIFT)
64 
65 //----------------------------------------------------------------------
66 // From linux-2.6.16.60/include/asm-s390/siginfo.h
67 //----------------------------------------------------------------------
68 
69 /* We need that to ensure that sizeof(siginfo) == 128. */
70 #ifdef __s390x__
71 #define __VKI_ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
72 #endif
73 
74 //----------------------------------------------------------------------
75 // From linux-2.6.16.60/include/asm-s390/sigcontext.h
76 //----------------------------------------------------------------------
77 
78 #define __VKI_NUM_GPRS 16
79 #define __VKI_NUM_FPRS 16
80 #define __VKI_NUM_ACRS 16
81 
82 #ifndef VGA_s390x
83 
84 /* Has to be at least _NSIG_WORDS from asm/signal.h */
85 #define _VKI_SIGCONTEXT_NSIG	64
86 #define _VKI_SIGCONTEXT_NSIG_BPW	32
87 /* Size of stack frame allocated when calling signal handler. */
88 #define __VKI_SIGNAL_FRAMESIZE	96
89 
90 #else /* VGA_s390x */
91 
92 /* Has to be at least _NSIG_WORDS from asm/signal.h */
93 #define _VKI_SIGCONTEXT_NSIG	64
94 #define _VKI_SIGCONTEXT_NSIG_BPW	64
95 /* Size of stack frame allocated when calling signal handler. */
96 #define __VKI_SIGNAL_FRAMESIZE	160
97 
98 #endif /* VGA_s390x */
99 
100 
101 #define _VKI_SIGCONTEXT_NSIG_WORDS	(_VKI_SIGCONTEXT_NSIG / _VKI_SIGCONTEXT_NSIG_BPW)
102 #define _VKI_SIGMASK_COPY_SIZE	(sizeof(unsigned long)*_VKI_SIGCONTEXT_NSIG_WORDS)
103 
104 typedef struct
105 {
106 	unsigned long mask;
107 	unsigned long addr;
108 } __attribute__ ((aligned(8))) _vki_psw_t;
109 
110 typedef struct
111 {
112 	_vki_psw_t psw;
113 	unsigned long gprs[__VKI_NUM_GPRS];
114 	unsigned int  acrs[__VKI_NUM_ACRS];
115 } _vki_s390_regs_common;
116 
117 typedef struct
118 {
119 	unsigned int fpc;
120 	double   fprs[__VKI_NUM_FPRS];
121 } _vki_s390_fp_regs;
122 
123 typedef struct
124 {
125 	_vki_s390_regs_common regs;
126 	_vki_s390_fp_regs     fpregs;
127 } _vki_sigregs;
128 
129 
130 struct vki_sigcontext
131 {
132 	unsigned long   oldmask[_VKI_SIGCONTEXT_NSIG_WORDS];
133 	_vki_sigregs    __user *sregs;
134 };
135 
136 
137 //----------------------------------------------------------------------
138 // From linux-2.6.16.60/include/asm-s390/signal.h
139 //----------------------------------------------------------------------
140 
141 #define _VKI_NSIG           _VKI_SIGCONTEXT_NSIG
142 #define _VKI_NSIG_BPW       _VKI_SIGCONTEXT_NSIG_BPW
143 #define _VKI_NSIG_WORDS     _VKI_SIGCONTEXT_NSIG_WORDS
144 
145 typedef unsigned long vki_old_sigset_t;
146 
147 typedef struct {
148 	unsigned long sig[_VKI_NSIG_WORDS];
149 } vki_sigset_t;
150 
151 #define VKI_SIGHUP           1
152 #define VKI_SIGINT           2
153 #define VKI_SIGQUIT          3
154 #define VKI_SIGILL           4
155 #define VKI_SIGTRAP          5
156 #define VKI_SIGABRT          6
157 #define VKI_SIGIOT           6
158 #define VKI_SIGBUS           7
159 #define VKI_SIGFPE           8
160 #define VKI_SIGKILL          9
161 #define VKI_SIGUSR1         10
162 #define VKI_SIGSEGV         11
163 #define VKI_SIGUSR2         12
164 #define VKI_SIGPIPE         13
165 #define VKI_SIGALRM         14
166 #define VKI_SIGTERM         15
167 #define VKI_SIGSTKFLT       16
168 #define VKI_SIGCHLD         17
169 #define VKI_SIGCONT         18
170 #define VKI_SIGSTOP         19
171 #define VKI_SIGTSTP         20
172 #define VKI_SIGTTIN         21
173 #define VKI_SIGTTOU         22
174 #define VKI_SIGURG          23
175 #define VKI_SIGXCPU         24
176 #define VKI_SIGXFSZ         25
177 #define VKI_SIGVTALRM       26
178 #define VKI_SIGPROF         27
179 #define VKI_SIGWINCH        28
180 #define VKI_SIGIO           29
181 #define VKI_SIGPOLL         VKI_SIGIO
182 /*
183 #define VKI_SIGLOST         29
184 */
185 #define VKI_SIGPWR          30
186 #define VKI_SIGSYS	    31
187 #define VKI_SIGUNUSED       31
188 
189 /* These should not be considered constants from userland.  */
190 #define VKI_SIGRTMIN        32
191 #define VKI_SIGRTMAX        _VKI_NSIG
192 
193 /*
194  * SA_FLAGS values:
195  *
196  * SA_ONSTACK indicates that a registered stack_t will be used.
197  * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
198  * SA_RESTART flag to get restarting signals (which were the default long ago)
199  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
200  * SA_RESETHAND clears the handler when the signal is delivered.
201  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
202  * SA_NODEFER prevents the current signal from being masked in the handler.
203  *
204  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
205  * Unix names RESETHAND and NODEFER respectively.
206  */
207 #define VKI_SA_NOCLDSTOP    0x00000001
208 #define VKI_SA_NOCLDWAIT    0x00000002
209 #define VKI_SA_SIGINFO      0x00000004
210 #define VKI_SA_ONSTACK      0x08000000
211 #define VKI_SA_RESTART      0x10000000
212 #define VKI_SA_NODEFER      0x40000000
213 #define VKI_SA_RESETHAND    0x80000000
214 
215 #define VKI_SA_NOMASK       VKI_SA_NODEFER
216 #define VKI_SA_ONESHOT      VKI_SA_RESETHAND
217 #define VKI_SA_INTERRUPT    0x20000000 /* dummy -- ignored */
218 
219 #define VKI_SA_RESTORER     0x04000000
220 
221 /*
222  * sigaltstack controls
223  */
224 #define VKI_SS_ONSTACK      1
225 #define VKI_SS_DISABLE      2
226 
227 #define VKI_MINSIGSTKSZ     2048
228 #define VKI_SIGSTKSZ        8192
229 
230 
231 /* Next lines asm-generic/signal.h */
232 #define VKI_SIG_BLOCK          0 /* for blocking signals */
233 #define VKI_SIG_UNBLOCK        1 /* for unblocking signals */
234 #define VKI_SIG_SETMASK        2 /* for setting the signal mask */
235 
236 typedef void __vki_signalfn_t(int);
237 typedef __vki_signalfn_t __user *__vki_sighandler_t;
238 
239 /* default signal handling */
240 #define VKI_SIG_DFL ((__force __vki_sighandler_t)0)
241 /* ignore signal */
242 #define VKI_SIG_IGN ((__force __vki_sighandler_t)1)
243 /* error return from signal */
244 #define VKI_SIG_ERR ((__force __vki_sighandler_t)-1)
245 /* Back to asm-s390/signal.h */
246 
247 struct vki_old_sigaction {
248         // [[Nb: a 'k' prefix is added to "sa_handler" because
249         // bits/sigaction.h (which gets dragged in somehow via signal.h)
250         // #defines it as something else.  Since that is done for glibc's
251         // purposes, which we don't care about here, we use our own name.]]
252         __vki_sighandler_t ksa_handler;
253         vki_old_sigset_t sa_mask;
254         unsigned long sa_flags;
255         void (*sa_restorer)(void);
256 };
257 
258 struct vki_sigaction {
259         // [[See comment about extra 'k' above]]
260         __vki_sighandler_t ksa_handler;
261         unsigned long sa_flags;
262         void (*sa_restorer)(void);
263         vki_sigset_t sa_mask;               /* mask last for extensibility */
264 };
265 
266 struct vki_k_sigaction {
267         struct vki_sigaction sa;
268 };
269 
270 
271 /* On Linux we use the same type for passing sigactions to
272    and from the kernel.  Hence: */
273 typedef  struct vki_sigaction  vki_sigaction_toK_t;
274 typedef  struct vki_sigaction  vki_sigaction_fromK_t;
275 
276 
277 typedef struct vki_sigaltstack {
278 	void __user *ss_sp;
279 	int ss_flags;
280 	vki_size_t ss_size;
281 } vki_stack_t;
282 
283 
284 //----------------------------------------------------------------------
285 // From linux-2.6.16.60/include/asm-s390/mman.h
286 //----------------------------------------------------------------------
287 
288 #define VKI_PROT_NONE   0x0             /* No page permissions */
289 #define VKI_PROT_READ   0x1             /* page can be read */
290 #define VKI_PROT_WRITE  0x2             /* page can be written */
291 #define VKI_PROT_EXEC   0x4             /* page can be executed */
292 #define VKI_PROT_GROWSDOWN 0x01000000   /* mprotect flag: extend
293 					   change to start of
294 					   growsdown vma */
295 #define VKI_PROT_GROWSUP   0x02000000   /* mprotect flag:
296 					   extend change to end
297 					   of growsup vma */
298 
299 #define VKI_MAP_SHARED		0x0001  /* Share changes */
300 #define VKI_MAP_PRIVATE 	0x0002	/*  */
301 #define VKI_MAP_FIXED   	0x0010	/*  */
302 #define VKI_MAP_ANONYMOUS	0x0020	/*  */
303 
304 
305 //----------------------------------------------------------------------
306 // From linux-2.6.16.60/include/asm-s390/fcntl.h
307 //----------------------------------------------------------------------
308 
309 #define VKI_O_RDONLY        00000000
310 #define VKI_O_WRONLY        00000001
311 #define VKI_O_RDWR          00000002
312 #define VKI_O_ACCMODE       00000003
313 #define VKI_O_CREAT         00000100        /* not fcntl */
314 #define VKI_O_EXCL          00000200        /* not fcntl */
315 #define VKI_O_NOCTTY        00000400        /* not fcntl */
316 #define VKI_O_TRUNC         00001000        /* not fcntl */
317 #define VKI_O_APPEND        00002000
318 #define VKI_O_NONBLOCK      00004000
319 
320 #define VKI_AT_FDCWD            -100
321 
322 #define VKI_F_DUPFD	0	/* dup */
323 #define VKI_F_GETFD	1	/* get close_on_exec */
324 #define VKI_F_SETFD	2	/* set/clear close_on_exec */
325 #define VKI_F_GETFL	3	/* get file->f_flags */
326 #define VKI_F_SETFL	4	/* set file->f_flags */
327 #define VKI_F_GETLK	5
328 #define VKI_F_SETLK	6
329 #define VKI_F_SETLKW	7
330 #define VKI_F_SETOWN	8	/* for sockets. */
331 #define VKI_F_GETOWN	9	/* for sockets. */
332 #define VKI_F_SETSIG	10	/* for sockets. */
333 #define VKI_F_GETSIG	11	/* for sockets. */
334 
335 #define VKI_FD_CLOEXEC  1  /* actually anything with low bit set goes */
336 
337 #define VKI_F_LINUX_SPECIFIC_BASE   1024
338 
339 
340 //----------------------------------------------------------------------
341 // From linux-2.6.16.60/include/asm-s390x/resource.h
342 //----------------------------------------------------------------------
343 
344 // which just does #include <asm-generic/resource.h>
345 
346 #define VKI_RLIMIT_DATA             2       /* max data size */
347 #define VKI_RLIMIT_STACK            3       /* max stack size */
348 #define VKI_RLIMIT_CORE             4       /* max core file size */
349 #define VKI_RLIMIT_NOFILE           7       /* max number of open files */
350 
351 
352 //----------------------------------------------------------------------
353 // From linux-2.6.16.60/include/asm-s390/socket.h
354 //----------------------------------------------------------------------
355 
356 #define VKI_SOL_SOCKET      1
357 
358 #define VKI_SO_TYPE         3
359 
360 
361 //----------------------------------------------------------------------
362 // From linux-2.6.16.60/include/asm-s390/sockios.h
363 //----------------------------------------------------------------------
364 
365 #define VKI_SIOCSPGRP       0x8902
366 #define VKI_SIOCGPGRP       0x8904
367 #define VKI_SIOCGSTAMP      0x8906          /* Get stamp (timeval) */
368 /* since 2.6.22 */
369 #define VKI_SIOCGSTAMPNS    0x8907          /* Get stamp (timespec) */
370 
371 
372 //----------------------------------------------------------------------
373 // From linux-2.6.16.60/include/asm-s390/stat.h
374 //----------------------------------------------------------------------
375 
376 #ifndef VGA_s390x
377 struct vki_stat {
378         unsigned short st_dev;
379         unsigned short __pad1;
380         unsigned long  st_ino;
381         unsigned short st_mode;
382         unsigned short st_nlink;
383         unsigned short st_uid;
384         unsigned short st_gid;
385         unsigned short st_rdev;
386         unsigned short __pad2;
387         unsigned long  st_size;
388         unsigned long  st_blksize;
389         unsigned long  st_blocks;
390         unsigned long  st_atime;
391         unsigned long  st_atime_nsec;
392         unsigned long  st_mtime;
393         unsigned long  st_mtime_nsec;
394         unsigned long  st_ctime;
395         unsigned long  st_ctime_nsec;
396         unsigned long  __unused4;
397         unsigned long  __unused5;
398 };
399 
400 /* This matches struct stat64 in glibc2.1, hence the absolutely
401  * insane amounts of padding around dev_t's.
402  */
403 struct vki_stat64 {
404         unsigned long long	st_dev;
405         unsigned int    __pad1;
406         unsigned long   __st_ino;
407         unsigned int    st_mode;
408         unsigned int    st_nlink;
409         unsigned long   st_uid;
410         unsigned long   st_gid;
411         unsigned long long	st_rdev;
412         unsigned int    __pad3;
413         long long	st_size;
414         unsigned long   st_blksize;
415         unsigned char   __pad4[4];
416         unsigned long   __pad5;     /* future possible st_blocks high bits */
417         unsigned long   st_blocks;  /* Number 512-byte blocks allocated. */
418         unsigned long   st_atime;
419         unsigned long   st_atime_nsec;
420         unsigned long   st_mtime;
421         unsigned long   st_mtime_nsec;
422         unsigned long   st_ctime;
423         unsigned long   st_ctime_nsec;  /* will be high 32 bits of ctime someday */
424         unsigned long long	st_ino;
425 };
426 
427 #else
428 
429 struct vki_stat {
430         unsigned long  st_dev;
431         unsigned long  st_ino;
432         unsigned long  st_nlink;
433         unsigned int   st_mode;
434         unsigned int   st_uid;
435         unsigned int   st_gid;
436         unsigned int   __pad1;
437         unsigned long  st_rdev;
438         unsigned long  st_size;
439         unsigned long  st_atime;
440 	unsigned long  st_atime_nsec;
441         unsigned long  st_mtime;
442 	unsigned long  st_mtime_nsec;
443         unsigned long  st_ctime;
444 	unsigned long  st_ctime_nsec;
445         unsigned long  st_blksize;
446         long           st_blocks;
447         unsigned long  __unused[3];
448 };
449 
450 #endif /* VGA_s390x */
451 
452 
453 //----------------------------------------------------------------------
454 // From linux-2.6.16.60/include/asm-s390/statfs.h
455 //----------------------------------------------------------------------
456 
457 struct vki_statfs {
458         int  f_type;
459         int  f_bsize;
460         long f_blocks;
461         long f_bfree;
462         long f_bavail;
463         long f_files;
464         long f_ffree;
465         __vki_kernel_fsid_t f_fsid;
466         int  f_namelen;
467         int  f_frsize;
468         int  f_spare[5];
469 };
470 
471 
472 //----------------------------------------------------------------------
473 // From linux-2.6.16.60/include/asm-s390/termios.h
474 //----------------------------------------------------------------------
475 
476 struct vki_winsize {
477 	unsigned short ws_row;
478 	unsigned short ws_col;
479 	unsigned short ws_xpixel;
480 	unsigned short ws_ypixel;
481 };
482 
483 #define VKI_NCC 8
484 struct vki_termio {
485 	unsigned short c_iflag;		/* input mode flags */
486 	unsigned short c_oflag;		/* output mode flags */
487 	unsigned short c_cflag;		/* control mode flags */
488 	unsigned short c_lflag;		/* local mode flags */
489 	unsigned char c_line;		/* line discipline */
490 	unsigned char c_cc[VKI_NCC];	/* control characters */
491 };
492 
493 
494 //----------------------------------------------------------------------
495 // From linux-2.6.16.60/include/asm-s390/termbits.h
496 //----------------------------------------------------------------------
497 
498 typedef unsigned char   vki_cc_t;
499 typedef unsigned int    vki_tcflag_t;
500 
501 #define VKI_NCCS 19
502 struct vki_termios {
503 	vki_tcflag_t c_iflag;		/* input mode flags */
504 	vki_tcflag_t c_oflag;		/* output mode flags */
505 	vki_tcflag_t c_cflag;		/* control mode flags */
506 	vki_tcflag_t c_lflag;		/* local mode flags */
507 	vki_cc_t c_line;		/* line discipline */
508 	vki_cc_t c_cc[VKI_NCCS];	/* control characters */
509 };
510 
511 
512 //----------------------------------------------------------------------
513 // From linux-2.6.16.60/include/asm-s390/ioctl.h
514 //----------------------------------------------------------------------
515 
516 #define _VKI_IOC_NRBITS		8
517 #define _VKI_IOC_TYPEBITS	8
518 #define _VKI_IOC_SIZEBITS	14
519 #define _VKI_IOC_DIRBITS	2
520 
521 #define _VKI_IOC_NRMASK		((1 << _VKI_IOC_NRBITS)-1)
522 #define _VKI_IOC_TYPEMASK	((1 << _VKI_IOC_TYPEBITS)-1)
523 #define _VKI_IOC_SIZEMASK	((1 << _VKI_IOC_SIZEBITS)-1)
524 #define _VKI_IOC_DIRMASK	((1 << _VKI_IOC_DIRBITS)-1)
525 
526 #define _VKI_IOC_NRSHIFT	0
527 #define _VKI_IOC_TYPESHIFT	(_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS)
528 #define _VKI_IOC_SIZESHIFT	(_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS)
529 #define _VKI_IOC_DIRSHIFT	(_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS)
530 
531 #define _VKI_IOC_NONE	0U
532 #define _VKI_IOC_WRITE	1U
533 #define _VKI_IOC_READ	2U
534 
535 #define _VKI_IOC(dir,type,nr,size) \
536 	(((dir)  << _VKI_IOC_DIRSHIFT) | \
537 	 ((type) << _VKI_IOC_TYPESHIFT) | \
538 	 ((nr)   << _VKI_IOC_NRSHIFT) | \
539 	 ((size) << _VKI_IOC_SIZESHIFT))
540 
541 /* used to create numbers */
542 #define _VKI_IO(type,nr)	_VKI_IOC(_VKI_IOC_NONE,(type),(nr),0)
543 #define _VKI_IOR(type,nr,size)	_VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
544 #define _VKI_IOW(type,nr,size)	_VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
545 #define _VKI_IOWR(type,nr,size)	_VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
546 
547 /* used to decode ioctl numbers.. */
548 #define _VKI_IOC_DIR(nr)	(((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK)
549 #define _VKI_IOC_TYPE(nr)	(((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK)
550 #define _VKI_IOC_NR(nr)		(((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK)
551 #define _VKI_IOC_SIZE(nr)	(((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK)
552 
553 //----------------------------------------------------------------------
554 // From linux-2.6.16.60/include/asm-s390/ioctls.h
555 //----------------------------------------------------------------------
556 
557 /* 0x54 is just a magic number to make these relatively unique ('T') */
558 
559 #define VKI_TCGETS	0x5401
560 #define VKI_TCSETS	0x5402
561 #define VKI_TCSETSW	0x5403
562 #define VKI_TCSETSF	0x5404
563 #define VKI_TCGETA	0x5405
564 #define VKI_TCSETA	0x5406
565 #define VKI_TCSETAW	0x5407
566 #define VKI_TCSETAF	0x5408
567 #define VKI_TCSBRK	0x5409
568 #define VKI_TCXONC	0x540A
569 #define VKI_TCFLSH	0x540B
570 
571 #define VKI_TIOCSCTTY	0x540E
572 #define VKI_TIOCGPGRP	0x540F
573 #define VKI_TIOCSPGRP	0x5410
574 #define VKI_TIOCOUTQ	0x5411
575 
576 #define VKI_TIOCGWINSZ	0x5413
577 #define VKI_TIOCSWINSZ	0x5414
578 #define VKI_TIOCMGET	0x5415
579 #define VKI_TIOCMBIS	0x5416
580 #define VKI_TIOCMBIC	0x5417
581 #define VKI_TIOCMSET	0x5418
582 
583 #define VKI_FIONREAD	0x541B
584 #define VKI_TIOCLINUX	0x541C
585 
586 #define VKI_FIONBIO	0x5421
587 
588 #define VKI_TCSBRKP	0x5425	/* Needed for POSIX tcsendbreak() */
589 
590 #define VKI_TIOCGPTN	_VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
591 #define VKI_TIOCSPTLCK	_VKI_IOW('T',0x31, int)  /* Lock/unlock Pty */
592 
593 #define VKI_FIOASYNC	        0x5452
594 
595 #define VKI_TIOCSERGETLSR       0x5459 /* Get line status register */
596 
597 #define VKI_TIOCGICOUNT	0x545D	/* read serial port inline interrupt counts */
598 
599 //----------------------------------------------------------------------
600 // From linux-2.6.39-rc2/arch/s390/include/asm/ioctls.h
601 //----------------------------------------------------------------------
602 
603 #define VKI_FIOQSIZE 0x545E
604 
605 //----------------------------------------------------------------------
606 // From linux-2.6.16.60/include/asm-s390/poll.h
607 //----------------------------------------------------------------------
608 
609 struct vki_pollfd {
610 	int fd;
611 	short events;
612 	short revents;
613 };
614 
615 #define VKI_POLLIN          0x0001
616 
617 //----------------------------------------------------------------------
618 // From linux-2.6.16.60/include/asm-s390/ptrace.h
619 //----------------------------------------------------------------------
620 #define VKI_NUM_GPRS	16
621 #define VKI_NUM_FPRS	16
622 #define VKI_NUM_CRS	16
623 #define VKI_NUM_ACRS	16
624 
625 typedef union
626 {
627 	float   f;
628 	double  d;
629         __vki_u64   ui;
630 	struct
631 	{
632 		__vki_u32 hi;
633 		__vki_u32 lo;
634 	} fp;
635 } vki_freg_t;
636 
637 typedef struct
638 {
639 	__vki_u32   fpc;
640 	vki_freg_t  fprs[VKI_NUM_FPRS];
641 } vki_s390_fp_regs;
642 
643 typedef struct
644 {
645         unsigned long mask;
646         unsigned long addr;
647 } __attribute__ ((aligned(8))) vki_psw_t;
648 
649 typedef struct
650 {
651 	vki_psw_t psw;
652 	unsigned long gprs[VKI_NUM_GPRS];
653 	unsigned int  acrs[VKI_NUM_ACRS];
654 	unsigned long orig_gpr2;
655 } vki_s390_regs;
656 
657 /*
658  * Now for the program event recording (trace) definitions.
659  */
660 typedef struct
661 {
662 	unsigned long cr[3];
663 } vki_per_cr_words;
664 
665 typedef	struct
666 {
667 #ifdef VGA_s390x
668 	unsigned                       : 32;
669 #endif /* VGA_s390x */
670 	unsigned em_branching          : 1;
671 	unsigned em_instruction_fetch  : 1;
672 	/*
673 	 * Switching on storage alteration automatically fixes
674 	 * the storage alteration event bit in the users std.
675 	 */
676 	unsigned em_storage_alteration : 1;
677 	unsigned em_gpr_alt_unused     : 1;
678 	unsigned em_store_real_address : 1;
679 	unsigned                       : 3;
680 	unsigned branch_addr_ctl       : 1;
681 	unsigned                       : 1;
682 	unsigned storage_alt_space_ctl : 1;
683 	unsigned                       : 21;
684 	unsigned long starting_addr;
685 	unsigned long ending_addr;
686 } vki_per_cr_bits;
687 
688 typedef struct
689 {
690 	unsigned short perc_atmid;
691 	unsigned long address;
692 	unsigned char access_id;
693 } vki_per_lowcore_words;
694 
695 typedef struct
696 {
697 	unsigned perc_branching          : 1;
698 	unsigned perc_instruction_fetch  : 1;
699 	unsigned perc_storage_alteration : 1;
700 	unsigned perc_gpr_alt_unused     : 1;
701 	unsigned perc_store_real_address : 1;
702 	unsigned                         : 3;
703 	unsigned atmid_psw_bit_31        : 1;
704 	unsigned atmid_validity_bit      : 1;
705 	unsigned atmid_psw_bit_32        : 1;
706 	unsigned atmid_psw_bit_5         : 1;
707 	unsigned atmid_psw_bit_16        : 1;
708 	unsigned atmid_psw_bit_17        : 1;
709 	unsigned si                      : 2;
710 	unsigned long address;
711 	unsigned                         : 4;
712 	unsigned access_id               : 4;
713 } vki_per_lowcore_bits;
714 
715 typedef struct
716 {
717 	union {
718 		vki_per_cr_words   words;
719 		vki_per_cr_bits    bits;
720 	} control_regs;
721 	/*
722 	 * Use these flags instead of setting em_instruction_fetch
723 	 * directly they are used so that single stepping can be
724 	 * switched on & off while not affecting other tracing
725 	 */
726 	unsigned  single_step       : 1;
727 	unsigned  instruction_fetch : 1;
728 	unsigned                    : 30;
729 	/*
730 	 * These addresses are copied into cr10 & cr11 if single
731 	 * stepping is switched off
732 	 */
733 	unsigned long starting_addr;
734 	unsigned long ending_addr;
735 	union {
736 		vki_per_lowcore_words words;
737 		vki_per_lowcore_bits  bits;
738 	} lowcore;
739 } vki_per_struct;
740 
741 /*
742  * The user_regs_struct defines the way the user registers are
743  * store on the stack for signal handling.
744  */
745 struct vki_user_regs_struct
746 {
747 	vki_psw_t psw;
748 	unsigned long gprs[VKI_NUM_GPRS];
749 	unsigned int  acrs[VKI_NUM_ACRS];
750 	unsigned long orig_gpr2;
751 	vki_s390_fp_regs fp_regs;
752 	/*
753 	 * These per registers are in here so that gdb can modify them
754 	 * itself as there is no "official" ptrace interface for hardware
755 	 * watchpoints. This is the way intel does it.
756 	 */
757 	vki_per_struct per_info;
758 	unsigned long ieee_instruction_pointer;
759 	/* Used to give failing instruction back to user for ieee exceptions */
760 };
761 
762 typedef struct
763 {
764 	unsigned int  vki_len;
765 	unsigned long vki_kernel_addr;
766 	unsigned long vki_process_addr;
767 } vki_ptrace_area;
768 
769 /*
770  * S/390 specific non posix ptrace requests
771  */
772 #define VKI_PTRACE_PEEKUSR_AREA       0x5000
773 #define VKI_PTRACE_POKEUSR_AREA       0x5001
774 
775 //----------------------------------------------------------------------
776 // From linux-2.6.16.60/include/asm-s390/elf.h
777 //----------------------------------------------------------------------
778 
779 typedef vki_s390_fp_regs vki_elf_fpregset_t;
780 typedef vki_s390_regs vki_elf_gregset_t;
781 
782 
783 //----------------------------------------------------------------------
784 // From linux-2.6.16.60/include/asm-s390/ucontext.h
785 //----------------------------------------------------------------------
786 
787 struct vki_ucontext {
788 	unsigned long	      uc_flags;
789 	struct vki_ucontext  *uc_link;
790 	vki_stack_t	      uc_stack;
791 	_vki_sigregs          uc_mcontext;
792 	vki_sigset_t	      uc_sigmask; /* mask last for extensibility */
793 };
794 
795 //----------------------------------------------------------------------
796 // From linux-2.6.16.60/include/asm-s390/ipcbuf.h
797 //----------------------------------------------------------------------
798 
799 struct vki_ipc64_perm
800 {
801 	__vki_kernel_key_t	key;
802 	__vki_kernel_uid32_t	uid;
803 	__vki_kernel_gid32_t	gid;
804 	__vki_kernel_uid32_t	cuid;
805 	__vki_kernel_gid32_t	cgid;
806 	__vki_kernel_mode_t	mode;
807 	unsigned short		__pad1;
808 	unsigned short		seq;
809 #ifndef VGA_s390x
810 	unsigned short		__pad2;
811 #endif /* ! VGA_s390x */
812 	unsigned long		__unused1;
813 	unsigned long		__unused2;
814 };
815 
816 
817 //----------------------------------------------------------------------
818 // From linux-2.6.16.60/include/asm-s390/sembuf.h
819 //----------------------------------------------------------------------
820 
821 struct vki_semid64_ds {
822 	struct vki_ipc64_perm sem_perm;		/* permissions .. see ipc.h */
823 	__vki_kernel_time_t   sem_otime;	/* last semop time */
824 #ifndef VGA_s390x
825 	unsigned long	__unused1;
826 #endif /* ! VGA_s390x */
827 	__vki_kernel_time_t   sem_ctime;	/* last change time */
828 #ifndef VGA_s390x
829 	unsigned long	__unused2;
830 #endif /* ! VGA_s390x */
831 	unsigned long	sem_nsems;		/* no. of semaphores in array */
832 	unsigned long	__unused3;
833 	unsigned long	__unused4;
834 };
835 
836 
837 //----------------------------------------------------------------------
838 // From linux-2.6.16.60/include/asm-s390/msgbuf.h
839 //----------------------------------------------------------------------
840 
841 struct vki_msqid64_ds {
842 	struct vki_ipc64_perm msg_perm;
843 	__vki_kernel_time_t msg_stime;	/* last msgsnd time */
844 #ifndef VGA_s390x
845 	unsigned long	__unused1;
846 #endif /* ! VGA_s390x */
847 	__vki_kernel_time_t msg_rtime;	/* last msgrcv time */
848 #ifndef VGA_s390x
849 	unsigned long	__unused2;
850 #endif /* ! VGA_s390x */
851 	__vki_kernel_time_t msg_ctime;	/* last change time */
852 #ifndef VGA_s390x
853 	unsigned long	__unused3;
854 #endif /* ! VGA_s390x */
855 	unsigned long  msg_cbytes;	/* current number of bytes on queue */
856 	unsigned long  msg_qnum;	/* number of messages in queue */
857 	unsigned long  msg_qbytes;	/* max number of bytes on queue */
858 	__vki_kernel_pid_t msg_lspid;	/* pid of last msgsnd */
859 	__vki_kernel_pid_t msg_lrpid;	/* last receive pid */
860 	unsigned long  __unused4;
861 	unsigned long  __unused5;
862 };
863 
864 
865 //----------------------------------------------------------------------
866 // From linux-2.6.16.60/include/asm-s390/ipc.h
867 //----------------------------------------------------------------------
868 
869 struct vki_ipc_kludge {
870 	struct vki_msgbuf __user *msgp;
871 	long msgtyp;
872 };
873 
874 #define VKI_SEMOP	 1
875 #define VKI_SEMGET	 2
876 #define VKI_SEMCTL	 3
877 #define VKI_SEMTIMEDOP	 4
878 #define VKI_MSGSND	11
879 #define VKI_MSGRCV	12
880 #define VKI_MSGGET	13
881 #define VKI_MSGCTL	14
882 #define VKI_SHMAT	21
883 #define VKI_SHMDT	22
884 #define VKI_SHMGET	23
885 #define VKI_SHMCTL	24
886 
887 
888 //----------------------------------------------------------------------
889 // From linux-2.6.16.60/include/asm-s390/shmbuf.h
890 //----------------------------------------------------------------------
891 
892 struct vki_shmid64_ds {
893 	struct vki_ipc64_perm	shm_perm;	/* operation perms */
894 	vki_size_t		shm_segsz;	/* size of segment (bytes) */
895 	__vki_kernel_time_t	shm_atime;	/* last attach time */
896 #ifndef VGA_s390x
897 	unsigned long		__unused1;
898 #endif /* ! VGA_s390x */
899 	__vki_kernel_time_t	shm_dtime;	/* last detach time */
900 #ifndef VGA_s390x
901 	unsigned long		__unused2;
902 #endif /* ! VGA_s390x */
903 	__vki_kernel_time_t	shm_ctime;	/* last change time */
904 #ifndef VGA_s390x
905 	unsigned long		__unused3;
906 #endif /* ! VGA_s390x */
907 	__vki_kernel_pid_t	shm_cpid;	/* pid of creator */
908 	__vki_kernel_pid_t	shm_lpid;	/* pid of last operator */
909 	unsigned long		shm_nattch;	/* no. of current attaches */
910 	unsigned long		__unused4;
911 	unsigned long		__unused5;
912 };
913 
914 struct vki_shminfo64 {
915 	unsigned long	shmmax;
916 	unsigned long	shmmin;
917 	unsigned long	shmmni;
918 	unsigned long	shmseg;
919 	unsigned long	shmall;
920 	unsigned long	__unused1;
921 	unsigned long	__unused2;
922 	unsigned long	__unused3;
923 	unsigned long	__unused4;
924 };
925 
926 
927 //----------------------------------------------------------------------
928 // The following are defined in the VKI namespace but are nowhere found
929 // in the linux headers.
930 //----------------------------------------------------------------------
931 #define VKI_BIG_ENDIAN      1
932 #define VKI_MAX_PAGE_SHIFT  VKI_PAGE_SHIFT
933 #define VKI_MAX_PAGE_SIZE   VKI_PAGE_SIZE
934 
935 //----------------------------------------------------------------------
936 // From linux-2.6.35.4/arch/s390x/include/asm/shmparam.h
937 //----------------------------------------------------------------------
938 
939 #define VKI_SHMLBA  VKI_PAGE_SIZE
940 
941 /* If a system call returns a value >= VKI_MAX_ERRNO then that is considered
942    an error condition. I.e. the system call failed. */
943 #define VKI_MAX_ERRNO       -125
944 
945 #endif // __VKI_S390X_LINUX_H
946 
947 /*--------------------------------------------------------------------*/
948 /*--- end                                                          ---*/
949 /*--------------------------------------------------------------------*/
950