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1 
2 /*--------------------------------------------------------------------*/
3 /*--- mips/Linux-specific kernel interface.     vki-mips32-linux.h ---*/
4 /*--------------------------------------------------------------------*/
5 
6 /*
7    This file is part of Valgrind, a dynamic binary instrumentation
8    framework.
9 
10    Copyright (C) 2010-2013 RT-RK
11       mips-valgrind@rt-rk.com
12 
13    This program is free software; you can redistribute it and/or
14    modify it under the terms of the GNU General Public License as
15    published by the Free Software Foundation; either version 2 of the
16    License, or (at your option) any later version.
17 
18    This program is distributed in the hope that it will be useful, but
19    WITHOUT ANY WARRANTY; without even the implied warranty of
20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21    General Public License for more details.
22 
23    You should have received a copy of the GNU General Public License
24    along with this program; if not, write to the Free Software
25    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
26    02111-1307, USA.
27 
28    The GNU General Public License is contained in the file COPYING.
29 */
30 
31 #ifndef __VKI_MIPS32_LINUX_H
32 #define __VKI_MIPS32_LINUX_H
33 
34 #include <config.h>
35 
36 // mips endian
37 #if defined (_MIPSEL)
38 #define VKI_LITTLE_ENDIAN  1
39 #elif defined (_MIPSEB)
40 #define VKI_BIG_ENDIAN  1
41 #endif
42 
43 
44 //----------------------------------------------------------------------
45 // From linux-2.6.35.5/include/asm-generic/int-ll64.h
46 //----------------------------------------------------------------------
47 
48 typedef __signed__ char __vki_s8;
49 typedef unsigned char __vki_u8;
50 
51 typedef __signed__ short __vki_s16;
52 typedef unsigned short __vki_u16;
53 
54 typedef __signed__ int __vki_s32;
55 typedef unsigned int __vki_u32;
56 
57 typedef __signed char vki_s8;
58 typedef unsigned char vki_u8;
59 
60 typedef __signed short vki_s16;
61 typedef unsigned short vki_u16;
62 
63 typedef __signed int vki_s32;
64 typedef unsigned int vki_u32;
65 
66 typedef __signed__ long long __vki_s64;
67 typedef unsigned long long __vki_u64;
68 
69 
70 //----------------------------------------------------------------------
71 // From linux-2.6.35.5/include/asm-mips/page.h
72 //----------------------------------------------------------------------
73 
74 /* PAGE_SHIFT determines the page size */
75 #define VKI_PAGE_SHIFT          MIPS_PAGE_SHIFT
76 #define VKI_PAGE_SIZE           (1UL << VKI_PAGE_SHIFT)
77 #define VKI_PAGE_MASK           (~(VKI_PAGE_SIZE-1))
78 #define VKI_MAX_PAGE_SHIFT      VKI_PAGE_SHIFT
79 #define VKI_MAX_PAGE_SIZE       VKI_PAGE_SIZE
80 
81 //----------------------------------------------------------------------
82 // From linux-2.6.35.9/arch/mips/include/bits/shm.h
83 //----------------------------------------------------------------------
84 
85 #define VKI_SHMLBA  0x40000
86 
87 //----------------------------------------------------------------------
88 // From linux-2.6.35.5/include/asm/signal.h
89 //----------------------------------------------------------------------
90 
91 #define VKI_MINSIGSTKSZ     2048
92 
93 #define VKI_SIG_BLOCK       1    /* for blocking signals */
94 #define VKI_SIG_UNBLOCK     2    /* for unblocking signals */
95 #define VKI_SIG_SETMASK     3    /* for setting the signal mask */
96 
97 /* Type of a signal handler.  */
98 typedef void __vki_signalfn_t(int);
99 typedef __vki_signalfn_t __user *__vki_sighandler_t;
100 
101 typedef void __vki_restorefn_t(void);
102 typedef __vki_restorefn_t __user *__vki_sigrestore_t;
103 
104 #define VKI_SIG_DFL	((__vki_sighandler_t)0)	/* default signal handling */
105 #define VKI_SIG_IGN	((__vki_sighandler_t)1)	/* ignore signal */
106 
107 #define _VKI_NSIG		128
108 #define _VKI_NSIG_BPW	32
109 #define _VKI_NSIG_WORDS	(_VKI_NSIG / _VKI_NSIG_BPW)
110 
111 typedef unsigned long vki_old_sigset_t;		/* at least 32 bits */
112 
113 typedef struct {
114         unsigned long sig[_VKI_NSIG_WORDS];
115 } vki_sigset_t;
116 
117 #define VKI_SIGHUP		 1	/* Hangup (POSIX).  */
118 #define VKI_SIGINT		 2	/* Interrupt (ANSI).  */
119 #define VKI_SIGQUIT		 3	/* Quit (POSIX).  */
120 #define VKI_SIGILL		 4	/* Illegal instruction (ANSI).  */
121 #define VKI_SIGTRAP		 5	/* Trace trap (POSIX).  */
122 #define VKI_SIGIOT		 6	/* IOT trap (4.2 BSD).  */
123 #define VKI_SIGABRT		 VKI_SIGIOT	/* Abort (ANSI).  */
124 #define VKI_SIGEMT		 7
125 #define VKI_SIGFPE		 8	/* Floating-point exception (ANSI).  */
126 #define VKI_SIGKILL		 9	/* Kill, unblockable (POSIX).  */
127 #define VKI_SIGBUS		10	/* BUS error (4.2 BSD).  */
128 #define VKI_SIGSEGV		11	/* Segmentation violation (ANSI).  */
129 #define VKI_SIGSYS		12
130 #define VKI_SIGPIPE		13	/* Broken pipe (POSIX).  */
131 #define VKI_SIGALRM		14	/* Alarm clock (POSIX).  */
132 #define VKI_SIGTERM		15	/* Termination (ANSI).  */
133 #define VKI_SIGUSR1		16	/* User-defined signal 1 (POSIX).  */
134 #define VKI_SIGUSR2		17	/* User-defined signal 2 (POSIX).  */
135 #define VKI_SIGCHLD		18	/* Child status has changed (POSIX).  */
136 #define VKI_SIGCLD		VKI_SIGCHLD	/* Same as SIGCHLD (System V).  */
137 #define VKI_SIGPWR		19	/* Power failure restart (System V).  */
138 #define VKI_SIGWINCH	20	/* Window size change (4.3 BSD, Sun).  */
139 #define VKI_SIGURG		21	/* Urgent condition on socket (4.2 BSD).  */
140 #define VKI_SIGIO		22	/* I/O now possible (4.2 BSD).  */
141 #define VKI_SIGPOLL		VKI_SIGIO	/* Pollable event occurred (System V).  */
142 #define VKI_SIGSTOP		23	/* Stop, unblockable (POSIX).  */
143 #define VKI_SIGTSTP		24	/* Keyboard stop (POSIX).  */
144 #define VKI_SIGCONT		25	/* Continue (POSIX).  */
145 #define VKI_SIGTTIN		26	/* Background read from tty (POSIX).  */
146 #define VKI_SIGTTOU		27	/* Background write to tty (POSIX).  */
147 #define VKI_SIGVTALRM	28	/* Virtual alarm clock (4.2 BSD).  */
148 #define VKI_SIGPROF		29	/* Profiling alarm clock (4.2 BSD).  */
149 #define VKI_SIGXCPU		30	/* CPU limit exceeded (4.2 BSD).  */
150 #define VKI_SIGXFSZ		31	/* File size limit exceeded (4.2 BSD).  */
151 
152 /* These should not be considered constants from userland.  */
153 #define VKI_SIGRTMIN    32
154 // [[This was (_NSIG-1) in 2.4.X... not sure if it matters.]]
155 #define VKI_SIGRTMAX    _VKI_NSIG
156 
157 #define VKI_SA_ONSTACK		0x08000000
158 #define VKI_SA_RESETHAND	0x80000000
159 #define VKI_SA_RESTART		0x10000000
160 #define VKI_SA_SIGINFO		0x00000008
161 #define VKI_SA_NODEFER		0x40000000
162 #define VKI_SA_NOCLDWAIT	0x00010000
163 #define VKI_SA_NOCLDSTOP	0x00000001
164 
165 #define VKI_SA_NOMASK		VKI_SA_NODEFER
166 #define VKI_SA_ONESHOT		VKI_SA_RESETHAND
167 //#define VKI_SA_INTERRUPT	0x20000000 /* dummy -- ignored */
168 
169 #define VKI_SA_RESTORER		0x04000000
170 
171 #define VKI_SS_ONSTACK		1
172 #define VKI_SS_DISABLE		2
173 
174 struct vki_old_sigaction {
175         // [[Nb: a 'k' prefix is added to "sa_handler" because
176         // bits/sigaction.h (which gets dragged in somehow via signal.h)
177         // #defines it as something else.  Since that is done for glibc's
178         // purposes, which we don't care about here, we use our own name.]]
179     unsigned long sa_flags;
180         __vki_sighandler_t ksa_handler;
181         vki_old_sigset_t sa_mask;
182         __vki_sigrestore_t sa_restorer;
183 };
184 
185 struct vki_sigaction {
186         unsigned int    sa_flags;
187         __vki_sighandler_t  sa_handler;
188         vki_sigset_t        sa_mask;
189 };
190 
191 
192 struct vki_sigaction_base {
193         // [[See comment about extra 'k' above]]
194         unsigned long sa_flags;
195 	__vki_sighandler_t ksa_handler;
196 
197 	vki_sigset_t sa_mask;		/* mask last for extensibility */
198         __vki_sigrestore_t sa_restorer;
199 };
200 
201 /* On Linux we use the same type for passing sigactions to
202    and from the kernel.  Hence: */
203 typedef  struct vki_sigaction_base  vki_sigaction_toK_t;
204 typedef  struct vki_sigaction_base  vki_sigaction_fromK_t;
205 
206 typedef struct vki_sigaltstack {
207 	void __user *ss_sp;
208 	vki_size_t ss_size;
209 	int ss_flags;
210 
211 } vki_stack_t;
212 
213 
214 //----------------------------------------------------------------------
215 // From 2.6.35.5/include/asm-mips/sigcontext.h
216 //----------------------------------------------------------------------
217 
218 struct _vki_fpreg {
219 	unsigned short significand[4];
220 	unsigned short exponent;
221 };
222 
223 struct _vki_fpxreg {
224 	unsigned short significand[4];
225 	unsigned short exponent;
226 	unsigned short padding[3];
227 };
228 
229 struct _vki_xmmreg {
230 	unsigned long element[4];
231 };
232 
233 struct _vki_fpstate {
234 	/* Regular FPU environment */
235 	unsigned long 	cw;
236 	unsigned long	sw;
237 	unsigned long	tag;
238 	unsigned long	ipoff;
239 	unsigned long	cssel;
240 	unsigned long	dataoff;
241 	unsigned long	datasel;
242 	struct _vki_fpreg	_st[8];
243 	unsigned short	status;
244 	unsigned short	magic;		/* 0xffff = regular FPU data only */
245 
246 	/* FXSR FPU environment */
247 	unsigned long	_fxsr_env[6];	/* FXSR FPU env is ignored */
248 	unsigned long	mxcsr;
249 	unsigned long	reserved;
250 	struct _vki_fpxreg	_fxsr_st[8];	/* FXSR FPU reg data is ignored */
251 	struct _vki_xmmreg	_xmm[8];
252 	unsigned long	padding[56];
253 };
254 
255 //----------------------------------------------------------------------
256 // From linux-2.6.35.5/include/asm-mips/sigcontext.h
257 //----------------------------------------------------------------------
258 
259 struct vki_sigcontext {
260         unsigned int            sc_regmask;     /* Unused */
261         unsigned int            sc_status;      /* Unused */
262         unsigned long long      sc_pc;
263         unsigned long long      sc_regs[32];
264         unsigned long long      sc_fpregs[32];
265         unsigned int            sc_acx;         /* Was sc_ownedfp */
266         unsigned int            sc_fpc_csr;
267         unsigned int            sc_fpc_eir;     /* Unused */
268         unsigned int            sc_used_math;
269         unsigned int            sc_dsp;         /* dsp status, was sc_ssflags */
270         unsigned long long      sc_mdhi;
271         unsigned long long      sc_mdlo;
272         unsigned long           sc_hi1;         /* Was sc_cause */
273         unsigned long           sc_lo1;         /* Was sc_badvaddr */
274         unsigned long           sc_hi2;         /* Was sc_sigset[4] */
275         unsigned long           sc_lo2;
276         unsigned long           sc_hi3;
277         unsigned long           sc_lo3;
278 };
279 
280 //----------------------------------------------------------------------
281 // From linux-2.6.35.5/include/asm-mips/mman.h
282 //----------------------------------------------------------------------
283 
284 #define VKI_PROT_NONE		0x0      /* No page permissions */
285 #define VKI_PROT_READ		0x1      /* page can be read */
286 #define VKI_PROT_WRITE		0x2      /* page can be written */
287 #define VKI_PROT_EXEC		0x4      /* page can be executed */
288 #define VKI_PROT_GROWSDOWN	0x01000000	/* mprotect flag: extend change to start of growsdown vma */
289 #define VKI_PROT_GROWSUP	0x02000000	/* mprotect flag: extend change to end of growsup vma */
290 
291 #define VKI_MAP_SHARED		0x001     /* Share changes */
292 #define VKI_MAP_PRIVATE		0x002     /* Changes are private */
293 #define VKI_MAP_FIXED		0x010     /* Interpret addr exactly */
294 
295 #define VKI_MAP_NORESERVE	0x0400   /* don't reserve swap pages */
296 
297 /* These are linux-specific */
298 #define VKI_MAP_NORESERVE   0x0400          /* don't check for reservations */
299 #define VKI_MAP_ANONYMOUS   0x0800          /* don't use a file */
300 #define VKI_MAP_GROWSDOWN   0x1000          /* stack-like segment */
301 #define VKI_MAP_DENYWRITE   0x2000          /* ETXTBSY */
302 #define VKI_MAP_EXECUTABLE  0x4000          /* mark it as an executable */
303 #define VKI_MAP_LOCKED      0x8000          /* pages are locked */
304 #define VKI_MAP_POPULATE    0x10000         /* populate (prefault) pagetables */
305 #define VKI_MAP_NONBLOCK    0x20000         /* do not block on IO */
306 
307 
308 //----------------------------------------------------------------------
309 // From linux-2.6.35.5/include/asm-mips/fcntl.h
310 //----------------------------------------------------------------------
311 
312 #define VKI_O_ACCMODE		   03
313 #define VKI_O_RDONLY		   00
314 #define VKI_O_WRONLY		   01
315 #define VKI_O_RDWR		   02
316 
317 #define VKI_O_CREAT		0x0100		/* not fcntl */
318 #define VKI_O_EXCL		0x0400		/* not fcntl */
319 
320 #define VKI_O_TRUNC		0x0200	/* not fcntl */
321 
322 #define VKI_O_APPEND		0x0008
323 #define VKI_O_NONBLOCK		0x0080
324 #define VKI_O_LARGEFILE     	0x2000
325 
326 #define VKI_AT_FDCWD            -100
327 
328 #define VKI_F_DUPFD		 0			/* dup */
329 #define VKI_F_GETFD		 1			/* get close_on_exec */
330 #define VKI_F_SETFD		 2			/* set/clear close_on_exec */
331 #define VKI_F_GETFL		 3			/* get file->f_flags */
332 #define VKI_F_SETFL		 4			/* set file->f_flags */
333 
334 #define VKI_F_GETLK		 14
335 #define VKI_F_SETLK		 6
336 #define VKI_F_SETLKW		 7
337 
338 #define VKI_F_SETOWN		 24			/*  for sockets. */
339 #define VKI_F_GETOWN		 23			/*  for sockets. */
340 #define VKI_F_SETSIG		 10			/*  for sockets. */
341 #define VKI_F_GETSIG		 11			/*  for sockets. */
342 
343 #define VKI_F_SETOWN_EX		15
344 #define VKI_F_GETOWN_EX		16
345 
346 #define VKI_F_GETLK64		33			/*  using 'struct flock64' */
347 #define VKI_F_SETLK64		34
348 #define VKI_F_SETLKW64		35
349 
350 /* for F_[GET|SET]FL */
351 #define VKI_FD_CLOEXEC	 1		/* actually anything with low bit set goes */
352 
353 #define VKI_F_LINUX_SPECIFIC_BASE	1024
354 
355 struct vki_f_owner_ex {
356 	int	type;
357 	__vki_kernel_pid_t	pid;
358 };
359 
360 //----------------------------------------------------------------------
361 // From linux-2.6.35.5/include/asm-mips/resource.h
362 //----------------------------------------------------------------------
363 
364 #define VKI_RLIMIT_DATA		2   /* max data size */
365 #define VKI_RLIMIT_STACK	3   /* max stack size */
366 #define VKI_RLIMIT_CORE		4   /* max core file size */
367 #define VKI_RLIMIT_NOFILE	5   /* max number of open files */
368 
369 //----------------------------------------------------------------------
370 // From linux-2.6.35.5/include/asm-mips/socket.h
371 //----------------------------------------------------------------------
372 
373 #define VKI_SOL_SOCKET	0xffff
374 
375 #define VKI_SO_TYPE	0x1008
376 
377 #define VKI_SO_ATTACH_FILTER	26
378 
379 //----------------------------------------------------------------------
380 // From linux-2.6.35.5/include/asm-i386/sockios.h
381 //----------------------------------------------------------------------
382 
383 #define VKI_SIOCSPGRP           0x8902
384 #define VKI_SIOCGPGRP           0x8904
385 #define VKI_SIOCGSTAMP          0x8906      /* Get stamp (timeval) */
386 #define VKI_SIOCGSTAMPNS        0x8907      /* Get stamp (timespec) */
387 
388 //----------------------------------------------------------------------
389 // From linux-2.6.35.5/include/asm-mips/stat.h
390 //----------------------------------------------------------------------
391 
392 struct vki_stat {
393 	unsigned	st_dev;
394 	long		st_pad1[3];		/* Reserved for network id */
395 	unsigned long	st_ino;
396 	unsigned int	st_mode;
397 	unsigned long	st_nlink;
398 	unsigned int	st_uid;
399 	unsigned int	st_gid;
400 	unsigned 	st_rdev;
401 	long		st_pad2[2];
402 	long		st_size;
403 	long		st_pad3;
404 	/*
405 	 * Actually this should be timestruc_t st_atime, st_mtime and st_ctime
406 	 * but we don't have it under Linux.
407 	 */
408 	long		st_atime;
409 	long		st_atime_nsec;
410 	long		st_mtime;
411 	long		st_mtime_nsec;
412 	long		st_ctime;
413 	long		st_ctime_nsec;
414 	long		st_blksize;
415 	long		st_blocks;
416 	long		st_pad4[14];
417 };
418 
419 /*
420  * This matches struct stat64 in glibc2.1, hence the absolutely insane
421  * amounts of padding around dev_t's.  The memory layout is the same as of
422  * struct stat of the 64-bit kernel.
423  */
424 
425 struct vki_stat64 {
426 	unsigned long	st_dev;
427 	unsigned long	st_pad0[3];	/* Reserved for st_dev expansion  */
428 
429 	unsigned long long	st_ino;
430 
431 	unsigned int	st_mode;
432 	unsigned long	st_nlink;
433 
434 	unsigned int	st_uid;
435 	unsigned int	st_gid;
436 
437 	unsigned long	st_rdev;
438 	unsigned long	st_pad1[3];	/* Reserved for st_rdev expansion  */
439 
440 	long long	st_size;
441 
442 	/*
443 	 * Actually this should be timestruc_t st_atime, st_mtime and st_ctime
444 	 * but we don't have it under Linux.
445 	 */
446 	long		st_atime;
447 	unsigned long	st_atime_nsec;	/* Reserved for st_atime expansion  */
448 
449 	long		st_mtime;
450 	unsigned long	st_mtime_nsec;	/* Reserved for st_mtime expansion  */
451 
452 	long		st_ctime;
453 	unsigned long	st_ctime_nsec;	/* Reserved for st_ctime expansion  */
454 
455 	unsigned long	st_blksize;
456 	unsigned long	st_pad2;
457 
458 	long long	st_blocks;
459 };
460 
461 //----------------------------------------------------------------------
462 // From linux-2.6.35.5/include/asm-mips/statfs.h
463 //----------------------------------------------------------------------
464 
465 struct vki_statfs {
466 	long		f_type;
467 	long		f_bsize;
468 	long		f_frsize;	/* Fragment size - unsupported */
469 	long		f_blocks;
470 	long		f_bfree;
471 	long		f_files;
472 	long		f_ffree;
473 	long		f_bavail;
474 
475 	/* Linux specials */
476 	__vki_kernel_fsid_t	f_fsid;
477 	long		f_namelen;
478 	long		f_spare[6];
479 };
480 
481 //----------------------------------------------------------------------
482 // From linux-2.6.35.5/include/asm-mips/termios.h
483 //----------------------------------------------------------------------
484 
485 struct vki_winsize {
486 	unsigned short ws_row;
487 	unsigned short ws_col;
488 	unsigned short ws_xpixel;
489 	unsigned short ws_ypixel;
490 };
491 
492 #define NCC	8
493 #define NCCS	23
494 struct vki_termio {
495 	unsigned short c_iflag;		/* input mode flags */
496 	unsigned short c_oflag;		/* output mode flags */
497 	unsigned short c_cflag;		/* control mode flags */
498 	unsigned short c_lflag;		/* local mode flags */
499 	char c_line;			/* line discipline */
500 	unsigned char c_cc[NCCS];	/* control characters */
501 };
502 
503 
504 //----------------------------------------------------------------------
505 // From linux-2.6.35.5/include/asm-mips/termbits.h
506 //----------------------------------------------------------------------
507 
508 typedef unsigned char   vki_cc_t;
509 typedef unsigned long   vki_speed_t;
510 typedef unsigned long   vki_tcflag_t;
511 
512 struct vki_termios {
513 	vki_tcflag_t c_iflag;		/* input mode flags */
514 	vki_tcflag_t c_oflag;		/* output mode flags */
515 	vki_tcflag_t c_cflag;		/* control mode flags */
516 	vki_tcflag_t c_lflag;		/* local mode flags */
517 	vki_cc_t c_line;			/* line discipline */
518 	vki_cc_t c_cc[NCCS];		/* control characters */
519 };
520 
521 //----------------------------------------------------------------------
522 // From linux-2.6.35.5/include/asm-mips/ioctl.h
523 //----------------------------------------------------------------------
524 
525 #define _VKI_IOC_NRBITS		8
526 #define _VKI_IOC_TYPEBITS	8
527 #define _VKI_IOC_SIZEBITS	13
528 #define _VKI_IOC_DIRBITS	3
529 
530 #define _VKI_IOC_NRMASK		((1 << _VKI_IOC_NRBITS)-1)
531 #define _VKI_IOC_TYPEMASK	((1 << _VKI_IOC_TYPEBITS)-1)
532 #define _VKI_IOC_SIZEMASK	((1 << _VKI_IOC_SIZEBITS)-1)
533 #define _VKI_IOC_DIRMASK	((1 << _VKI_IOC_DIRBITS)-1)
534 
535 #define _VKI_IOC_NRSHIFT	0
536 #define _VKI_IOC_TYPESHIFT	(_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS)
537 #define _VKI_IOC_SIZESHIFT	(_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS)
538 #define _VKI_IOC_DIRSHIFT	(_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS)
539 
540 #define _VKI_IOC_NONE	1U
541 #define _VKI_IOC_READ	2U
542 #define _VKI_IOC_WRITE	4U
543 
544 #define _VKI_IOC(dir,type,nr,size) \
545 	(((dir)  << _VKI_IOC_DIRSHIFT) | \
546 	 ((type) << _VKI_IOC_TYPESHIFT) | \
547 	 ((nr)   << _VKI_IOC_NRSHIFT) | \
548 	 ((size) << _VKI_IOC_SIZESHIFT))
549 
550 /* provoke compile error for invalid uses of size argument */
551 extern unsigned int __VKI_invalid_size_argument_for_IOC;
552 /* used to create numbers */
553 #define _VKI_IO(type,nr)	_VKI_IOC(_VKI_IOC_NONE,(type),(nr),0)
554 #define _VKI_IOR(type,nr,size)	_VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
555 #define _VKI_IOW(type,nr,size)	_VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
556 #define _VKI_IOWR(type,nr,size)	_VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
557 
558 /* used to decode ioctl numbers.. */
559 #define _VKI_IOC_DIR(nr)	(((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK)
560 #define _VKI_IOC_TYPE(nr)	(((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK)
561 #define _VKI_IOC_NR(nr)		(((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK)
562 #define _VKI_IOC_SIZE(nr)	(((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK)
563 
564 //----------------------------------------------------------------------
565 // From linux-2.6.35.5/include/asm-mips/ioctls.h
566 //----------------------------------------------------------------------
567 
568 #define VKI_TCGETA		0x5401
569 #define VKI_TCSETA		0x5402	/* Clashes with SNDCTL_TMR_START sound ioctl */
570 #define VKI_TCSETAW		0x5403
571 #define VKI_TCSETAF		0x5404
572 
573 #define VKI_TCSBRK		0x5405
574 #define VKI_TCXONC		0x5406
575 #define VKI_TCFLSH		0x5407
576 
577 #define VKI_TCGETS		0x540d
578 #define VKI_TCSETS		0x540e
579 #define VKI_TCSETSW		0x540f
580 #define VKI_TCSETSF		0x5410
581 
582 #define VKI_TIOCEXCL		0x740d		/* set exclusive use of tty */
583 #define VKI_TIOCNXCL		0x740e		/* reset exclusive use of tty */
584 #define VKI_TIOCOUTQ		0x7472		/* output queue size */
585 #define VKI_TIOCSTI		0x5472		/* simulate terminal input */
586 #define VKI_TIOCMGET		0x741d		/* get all modem bits */
587 #define VKI_TIOCMBIS		0x741b		/* bis modem bits */
588 #define VKI_TIOCMBIC		0x741c		/* bic modem bits */
589 #define VKI_TIOCMSET		0x741a		/* set all modem bits */
590 #define VKI_TIOCPKT		0x5470		/* pty: set/clear packet mode */
591 #define	 VKI_TIOCPKT_DATA		0x00	/* data packet */
592 #define	 VKI_TIOCPKT_FLUSHREAD		0x01	/* flush packet */
593 #define	 VKI_TIOCPKT_FLUSHWRITE		0x02	/* flush packet */
594 #define	 VKI_TIOCPKT_STOP		0x04	/* stop output */
595 #define	 VKI_TIOCPKT_START		0x08	/* start output */
596 #define	 VKI_TIOCPKT_NOSTOP		0x10	/* no more ^S, ^Q */
597 #define	 VKI_TIOCPKT_DOSTOP		0x20	/* now do ^S ^Q */
598 /* #define  TIOCPKT_IOCTL		0x40	state change of pty driver */
599 #define VKI_TIOCSWINSZ	_VKI_IOW('t', 103, struct vki_winsize)	/* set window size */
600 #define VKI_TIOCGWINSZ	_VKI_IOR('t', 104, struct vki_winsize)	/* get window size */
601 #define VKI_TIOCNOTTY	0x5471		/* void tty association */
602 #define VKI_TIOCSETD	0x7401
603 #define VKI_TIOCGETD	0x7400
604 
605 #define VKI_FIOCLEX		0x6601
606 #define VKI_FIONCLEX		0x6602
607 #define VKI_FIOASYNC		0x667d
608 #define VKI_FIONBIO		0x667e
609 #define VKI_FIOQSIZE		0x667f
610 
611 #define VKI_TIOCGLTC		0x7474			/* get special local chars */
612 #define VKI_TIOCSLTC		0x7475			/* set special local chars */
613 #define VKI_TIOCSPGRP		_VKI_IOW('t', 118, int)	/* set pgrp of tty */
614 #define VKI_TIOCGPGRP		_VKI_IOR('t', 119, int)	/* get pgrp of tty */
615 #define VKI_TIOCCONS		_VKI_IOW('t', 120, int)	/* become virtual console */
616 
617 #define VKI_FIONREAD		0x467f
618 #define VKI_TIOCINQ		FIONREAD
619 
620 #define VKI_TIOCGETP        	0x7408
621 #define VKI_TIOCSETP        	0x7409
622 #define VKI_TIOCSETN        	0x740a			/* TIOCSETP wo flush */
623 
624 #define VKI_TIOCSBRK	0x5427  /* BSD compatibility */
625 #define VKI_TIOCCBRK	0x5428  /* BSD compatibility */
626 #define VKI_TIOCGSID	0x7416  /* Return the session ID of FD */
627 #define VKI_TIOCGPTN	_VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
628 #define VKI_TIOCSPTLCK	_VKI_IOW('T',0x31, int)  /* Lock/unlock Pty */
629 
630 /* I hope the range from 0x5480 on is free ... */
631 #define VKI_TIOCSCTTY		0x5480		/* become controlling tty */
632 #define VKI_TIOCGSOFTCAR	0x5481
633 #define VKI_TIOCSSOFTCAR	0x5482
634 #define VKI_TIOCLINUX		0x5483
635 #define VKI_TIOCGSERIAL		0x5484
636 #define VKI_TIOCSSERIAL		0x5485
637 #define VKI_TCSBRKP		0x5486	/* Needed for POSIX tcsendbreak() */
638 #define VKI_TIOCSERCONFIG	0x5488
639 #define VKI_TIOCSERGWILD	0x5489
640 #define VKI_TIOCSERSWILD	0x548a
641 #define VKI_TIOCGLCKTRMIOS	0x548b
642 #define VKI_TIOCSLCKTRMIOS	0x548c
643 #define VKI_TIOCSERGSTRUCT	0x548d /* For debugging only */
644 #define VKI_TIOCSERGETLSR   	0x548e /* Get line status register */
645 #define VKI_TIOCSERGETMULTI 	0x548f /* Get multiport config  */
646 #define VKI_TIOCSERSETMULTI 	0x5490 /* Set multiport config */
647 #define VKI_TIOCMIWAIT      	0x5491 /* wait for a change on serial input line(s) */
648 #define VKI_TIOCGICOUNT     	0x5492 /* read serial port inline interrupt counts */
649 #define VKI_TIOCGHAYESESP	0x5493 /* Get Hayes ESP configuration */
650 #define VKI_TIOCSHAYESESP	0x5494 /* Set Hayes ESP configuration */
651 
652 //----------------------------------------------------------------------
653 // From asm-generic/poll.h
654 //----------------------------------------------------------------------
655 
656 /* These are specified by iBCS2 */
657 #define VKI_POLLIN		0x0001
658 
659 struct vki_pollfd {
660 	int fd;
661 	short events;
662 	short revents;
663 };
664 //----------------------------------------------------------------------
665 // From linux-2.6.35.5/include/asm-mips/ucontext.h
666 //----------------------------------------------------------------------
667 
668 struct vki_ucontext {
669 	unsigned long		uc_flags;
670 	struct vki_ucontext    *uc_link;
671 	vki_stack_t		uc_stack;
672 	struct vki_sigcontext	uc_mcontext;
673 	vki_sigset_t		uc_sigmask;	/* mask last for extensibility */
674 };
675 
676 // CAB: TODO
677 typedef void vki_modify_ldt_t;
678 
679 //----------------------------------------------------------------------
680 // From linux-2.6.35.5/include/asm-mips/ipcbuf.h
681 //----------------------------------------------------------------------
682 
683 struct vki_ipc64_perm
684 {
685         __vki_kernel_key_t  key;
686         __vki_kernel_uid_t  uid;
687         __vki_kernel_gid_t  gid;
688         __vki_kernel_uid_t  cuid;
689         __vki_kernel_gid_t  cgid;
690         __vki_kernel_mode_t mode;
691         unsigned short  seq;
692         unsigned short  __pad1;
693         unsigned long   __unused1;
694         unsigned long   __unused2;
695 };
696 
697 //----------------------------------------------------------------------
698 // From linux-2.6.35.5/include/asm-mips/sembuf.h
699 //----------------------------------------------------------------------
700 
701 struct vki_semid64_ds {
702         struct vki_ipc64_perm sem_perm;             /* permissions .. see ipc.h */
703         __vki_kernel_time_t sem_otime;              /* last semop time */
704         __vki_kernel_time_t sem_ctime;              /* last change time */
705         unsigned long   sem_nsems;              /* no. of semaphores in array */
706         unsigned long   __unused1;
707         unsigned long   __unused2;
708 };
709 
710 
711 //----------------------------------------------------------------------
712 // From linux-2.6.35.5/include/asm-mips/msgbuf.h
713 //----------------------------------------------------------------------
714 
715 struct vki_msqid64_ds {
716 	struct vki_ipc64_perm msg_perm;
717 	__vki_kernel_time_t msg_stime;	/* last msgsnd time */
718 	unsigned long	__unused1;
719 	__vki_kernel_time_t msg_rtime;	/* last msgrcv time */
720 	unsigned long	__unused2;
721 	__vki_kernel_time_t msg_ctime;	/* last change time */
722 	unsigned long	__unused3;
723 	unsigned long  msg_cbytes;	/* current number of bytes on queue */
724 	unsigned long  msg_qnum;	/* number of messages in queue */
725 	unsigned long  msg_qbytes;	/* max number of bytes on queue */
726 	__vki_kernel_pid_t msg_lspid;	/* pid of last msgsnd */
727 	__vki_kernel_pid_t msg_lrpid;	/* last receive pid */
728 	unsigned long  __unused4;
729 	unsigned long  __unused5;
730 };
731 
732 //----------------------------------------------------------------------
733 // From linux-2.6.35.5/include/asm-mips/ipc.h
734 //----------------------------------------------------------------------
735 
736 struct vki_ipc_kludge {
737         struct vki_msgbuf __user *msgp;
738         long msgtyp;
739 };
740 
741 #define VKI_SEMOP            1
742 #define VKI_SEMGET           2
743 #define VKI_SEMCTL           3
744 #define VKI_SEMTIMEDOP       4
745 #define VKI_MSGSND          11
746 #define VKI_MSGRCV          12
747 #define VKI_MSGGET          13
748 #define VKI_MSGCTL          14
749 #define VKI_SHMAT           21
750 #define VKI_SHMDT           22
751 #define VKI_SHMGET          23
752 #define VKI_SHMCTL          24
753 
754 //----------------------------------------------------------------------
755 // From linux-2.6.35.5/include/asm-mips/shmbuf.h
756 //----------------------------------------------------------------------
757 
758 struct vki_shmid64_ds {
759         struct vki_ipc64_perm       shm_perm;       /* operation perms */
760         vki_size_t                  shm_segsz;      /* size of segment (bytes) */
761         __vki_kernel_time_t         shm_atime;      /* last attach time */
762         __vki_kernel_time_t         shm_dtime;      /* last detach time */
763         __vki_kernel_time_t         shm_ctime;      /* last change time */
764         __vki_kernel_pid_t          shm_cpid;       /* pid of creator */
765         __vki_kernel_pid_t          shm_lpid;       /* pid of last operator */
766         unsigned long           shm_nattch;     /* no. of current attaches */
767         unsigned long           __unused1;
768         unsigned long           __unused2;
769 };
770 
771 struct vki_shminfo64 {
772         unsigned long   shmmax;
773         unsigned long   shmmin;
774         unsigned long   shmmni;
775         unsigned long   shmseg;
776         unsigned long   shmall;
777         unsigned long   __unused1;
778         unsigned long   __unused2;
779         unsigned long   __unused3;
780         unsigned long   __unused4;
781 };
782 //----------------------------------------------------------------------
783 // From linux-2.6.35.5/include/asm-mips/ptrace.h
784 //----------------------------------------------------------------------
785 
786 struct vki_pt_regs {
787 #ifdef CONFIG_32BIT
788         /* Pad bytes for argument save space on the stack. */
789         unsigned long pad0[6];
790 #endif
791         /* Saved main processor registers. */
792         unsigned long regs[32];
793 
794         /* Saved special registers. */
795         unsigned long cp0_status;
796         unsigned long hi;
797         unsigned long lo;
798 #ifdef CONFIG_CPU_HAS_SMARTMIPS
799         unsigned long acx;
800 #endif
801         unsigned long cp0_badvaddr;
802         unsigned long cp0_cause;
803         unsigned long cp0_epc;
804 #ifdef CONFIG_MIPS_MT_SMTC
805         unsigned long cp0_tcstatus;
806 #endif /* CONFIG_MIPS_MT_SMTC */
807 #ifdef CONFIG_CPU_CAVIUM_OCTEON
808         unsigned long long mpl[3];        /* MTM{0,1,2} */
809         unsigned long long mtp[3];        /* MTP{0,1,2} */
810 #endif
811 } __attribute__ ((aligned (8)));
812 
813 
814 #define vki_user_regs_struct vki_pt_regs
815 
816 #define MIPS_lo  	lo
817 #define MIPS_hi  	hi
818 //#define MIPS_pc		regs[32]
819 #define MIPS_r31		regs[31]
820 #define MIPS_r30		regs[30]
821 #define MIPS_r29		regs[29]
822 #define MIPS_r28		regs[28]
823 #define MIPS_r27		regs[27]
824 #define MIPS_r26		regs[26]
825 #define MIPS_r25		regs[25]
826 #define MIPS_r24		regs[24]
827 #define MIPS_r23		regs[23]
828 #define MIPS_r22		regs[22]
829 #define MIPS_r21		regs[21]
830 #define MIPS_r20		regs[20]
831 #define MIPS_r19		regs[19]
832 #define MIPS_r18		regs[18]
833 #define MIPS_r17		regs[17]
834 #define MIPS_r16		regs[16]
835 #define MIPS_r15		regs[15]
836 #define MIPS_r14		regs[14]
837 #define MIPS_r13		regs[13]
838 #define MIPS_r12		regs[12]
839 #define MIPS_r11		regs[11]
840 #define MIPS_r10		regs[10]
841 #define MIPS_r9		regs[9]
842 #define MIPS_r8		regs[8]
843 #define MIPS_r7		regs[7]
844 #define MIPS_r6		regs[6]
845 #define MIPS_r5		regs[5]
846 #define MIPS_r4		regs[4]
847 #define MIPS_r3		regs[3]
848 #define MIPS_r2		regs[2]
849 #define MIPS_r1		regs[1]
850 #define MIPS_r0		regs[0]
851 
852 #define VKI_PTRACE_GETREGS            12
853 #define VKI_PTRACE_SETREGS            13
854 #define VKI_PTRACE_GETFPREGS          14
855 #define VKI_PTRACE_SETFPREGS          15
856 //----------------------------------------------------------------------
857 // From linux-2.6.35.5/include/asm-mips/elf.h
858 //----------------------------------------------------------------------
859 typedef unsigned long vki_elf_greg_t;
860 
861 #define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t))
862 #define VKI_ELF_NFPREG			33	/* includes fpscr */
863 
864 typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG];
865 
866 typedef double vki_elf_fpreg_t;
867 typedef vki_elf_fpreg_t vki_elf_fpregset_t[VKI_ELF_NFPREG];
868 
869 typedef struct vki_user_fxsr_struct vki_elf_fpxregset_t;
870 
871 #define VKI_AT_SYSINFO		32
872 //----------------------------------------------------------------------
873 // From linux-2.6.35.5/include/asm-generic/siginfo.h
874 //----------------------------------------------------------------------
875 #define HAVE_ARCH_SIGINFO_T
876 
877 typedef union vki_sigval {
878 	int sival_int;
879 	void __user *sival_ptr;
880 } vki_sigval_t;
881 
882 #ifndef __VKI_ARCH_SI_PREAMBLE_SIZE
883 #define __VKI_ARCH_SI_PREAMBLE_SIZE	(3 * sizeof(int))
884 #endif
885 
886 #define VKI_SI_MAX_SIZE	128
887 
888 #ifndef VKI_SI_PAD_SIZE
889 #define VKI_SI_PAD_SIZE	((VKI_SI_MAX_SIZE - __VKI_ARCH_SI_PREAMBLE_SIZE) / sizeof(int))
890 #endif
891 
892 #ifndef __VKI_ARCH_SI_UID_T
893 #define __VKI_ARCH_SI_UID_T	vki_uid_t
894 #endif
895 
896 #ifndef __VKI_ARCH_SI_BAND_T
897 #define __VKI_ARCH_SI_BAND_T long
898 #endif
899 
900 typedef struct vki_siginfo {
901         int si_signo;
902         int si_code;
903         int si_errno;
904         int __pad0[VKI_SI_MAX_SIZE / sizeof(int) - VKI_SI_PAD_SIZE - 3];
905 
906         union {
907                 int _pad[VKI_SI_PAD_SIZE];
908 
909                 /* kill() */
910                 struct {
911                         vki_pid_t _pid;             /* sender's pid */
912                         __VKI_ARCH_SI_UID_T _uid;   /* sender's uid */
913                 } _kill;
914 
915                 /* POSIX.1b timers */
916                 struct {
917                         vki_timer_t _tid;           /* timer id */
918                         int _overrun;           /* overrun count */
919                         char _pad[sizeof( __VKI_ARCH_SI_UID_T) - sizeof(int)];
920                         vki_sigval_t _sigval;       /* same as below */
921                         int _sys_private;       /* not to be passed to user */
922                 } _timer;
923 
924                 /* POSIX.1b signals */
925                 struct {
926                         vki_pid_t _pid;             /* sender's pid */
927                         __VKI_ARCH_SI_UID_T _uid;   /* sender's uid */
928                         vki_sigval_t _sigval;
929                 } _rt;
930 
931                 /* SIGCHLD */
932                 struct {
933                         vki_pid_t _pid;             /* which child */
934                         __VKI_ARCH_SI_UID_T _uid;   /* sender's uid */
935                         int _status;            /* exit code */
936                         vki_clock_t _utime;
937                         vki_clock_t _stime;
938                 } _sigchld;
939 
940                 /* IRIX SIGCHLD */
941                 struct {
942                         vki_pid_t _pid;             /* which child */
943                         vki_clock_t _utime;
944                         int _status;            /* exit code */
945                         vki_clock_t _stime;
946                 } _irix_sigchld;
947 
948                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
949                 struct {
950                         void __user *_addr; /* faulting insn/memory ref. */
951 #ifdef __ARCH_SI_TRAPNO
952                         int _trapno;    /* TRAP # which caused the signal */
953 #endif
954                 } _sigfault;
955 
956                 /* SIGPOLL, SIGXFSZ (To do ...)  */
957                 struct {
958                         __VKI_ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
959                         int _fd;
960                 } _sigpoll;
961         } _sifields;
962 } vki_siginfo_t;
963 
964 //----------------------------------------------------------------------
965 // From linux-2.6.35.5/include/asm/break.h
966 //----------------------------------------------------------------------
967 #define VKI_BRK_OVERFLOW         6    /* Overflow check */
968 #define VKI_BRK_DIVZERO          7    /* Divide by zero check */
969 
970 //----------------------------------------------------------------------
971 // From linux-3.6.35.5/arch/mips/include/socket.h
972 //----------------------------------------------------------------------
973 enum vki_sock_type {
974         VKI_SOCK_STREAM = 2,
975         // [[others omitted]]
976 };
977 #define ARCH_HAS_SOCKET_TYPES 1
978 
979 //----------------------------------------------------------------------
980 // From linux-3.13.0/include/asm/errno.h
981 //----------------------------------------------------------------------
982 
983 #define	VKI_ENOSYS       89  /* Function not implemented */
984 #define	VKI_EOVERFLOW    79  /* Value too large for defined data type */
985 
986 #endif // __VKI_MIPS32_LINUX_H
987 
988 /*--------------------------------------------------------------------*/
989 /*--- end                                       vki-mips32-linux.h ---*/
990 /*--------------------------------------------------------------------*/
991