1
2/*--------------------------------------------------------------------*/
3/*--- arm/Linux-specific kernel interface.         vki-arm-linux.h ---*/
4/*--------------------------------------------------------------------*/
5
6/*
7   This file is part of Valgrind, a dynamic binary instrumentation
8   framework.
9
10   Copyright (C) 2000-2011 Julian Seward
11      jseward@acm.org
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_ARM_LINUX_H
32#define __VKI_ARM_LINUX_H
33
34// arm is little-endian.
35#define VKI_LITTLE_ENDIAN  1
36
37// The various comments below indicating i386-ness should be regarded
38// with great skepticism -- they are quite possibly wrong.  But see
39// also bug 269079 comment 0.
40
41//----------------------------------------------------------------------
42// From linux-2.6.8.1/include/asm-i386/types.h
43//----------------------------------------------------------------------
44
45typedef unsigned char __vki_u8;
46
47typedef __signed__ short __vki_s16;
48typedef unsigned short __vki_u16;
49
50typedef __signed__ int __vki_s32;
51typedef unsigned int __vki_u32;
52
53typedef __signed__ long long __vki_s64;
54typedef unsigned long long __vki_u64;
55
56typedef unsigned short vki_u16;
57
58typedef unsigned int vki_u32;
59
60//----------------------------------------------------------------------
61// From linux-2.6.8.1/include/asm-i386/page.h
62//----------------------------------------------------------------------
63
64/* PAGE_SHIFT determines the page size */
65#define VKI_PAGE_SHIFT	12
66#define VKI_PAGE_SIZE	(1UL << VKI_PAGE_SHIFT)
67#define VKI_MAX_PAGE_SHIFT	VKI_PAGE_SHIFT
68#define VKI_MAX_PAGE_SIZE	VKI_PAGE_SIZE
69
70//----------------------------------------------------------------------
71// From linux-2.6.35.4/arch/arm/include/asm/shmparam.h
72//----------------------------------------------------------------------
73
74#define VKI_SHMLBA  (4 * VKI_PAGE_SIZE)
75
76//----------------------------------------------------------------------
77// From linux-2.6.8.1/include/asm-i386/signal.h
78//----------------------------------------------------------------------
79
80#define VKI_MINSIGSTKSZ	2048
81
82#define VKI_SIG_BLOCK          0	/* for blocking signals */
83#define VKI_SIG_UNBLOCK        1	/* for unblocking signals */
84#define VKI_SIG_SETMASK        2	/* for setting the signal mask */
85
86/* Type of a signal handler.  */
87typedef void __vki_signalfn_t(int);
88typedef __vki_signalfn_t __user *__vki_sighandler_t;
89
90typedef void __vki_restorefn_t(void);
91typedef __vki_restorefn_t __user *__vki_sigrestore_t;
92
93#define VKI_SIG_DFL	((__vki_sighandler_t)0)	/* default signal handling */
94#define VKI_SIG_IGN	((__vki_sighandler_t)1)	/* ignore signal */
95
96#define _VKI_NSIG	64
97#define _VKI_NSIG_BPW	32
98#define _VKI_NSIG_WORDS	(_VKI_NSIG / _VKI_NSIG_BPW)
99
100typedef unsigned long vki_old_sigset_t;		/* at least 32 bits */
101
102typedef struct {
103	unsigned long sig[_VKI_NSIG_WORDS];
104} vki_sigset_t;
105
106#define VKI_SIGHUP		 1
107#define VKI_SIGINT		 2
108#define VKI_SIGQUIT		 3
109#define VKI_SIGILL		 4
110#define VKI_SIGTRAP		 5
111#define VKI_SIGABRT		 6
112//#define VKI_SIGIOT		 6
113#define VKI_SIGBUS		 7
114#define VKI_SIGFPE		 8
115#define VKI_SIGKILL		 9
116#define VKI_SIGUSR1		10
117#define VKI_SIGSEGV		11
118#define VKI_SIGUSR2		12
119#define VKI_SIGPIPE		13
120#define VKI_SIGALRM		14
121#define VKI_SIGTERM		15
122#define VKI_SIGSTKFLT		16
123#define VKI_SIGCHLD		17
124#define VKI_SIGCONT		18
125#define VKI_SIGSTOP		19
126#define VKI_SIGTSTP		20
127#define VKI_SIGTTIN		21
128#define VKI_SIGTTOU		22
129#define VKI_SIGURG		23
130#define VKI_SIGXCPU		24
131#define VKI_SIGXFSZ		25
132#define VKI_SIGVTALRM		26
133#define VKI_SIGPROF		27
134#define VKI_SIGWINCH		28
135#define VKI_SIGIO		29
136#define VKI_SIGPWR		30
137#define VKI_SIGSYS		31
138#define	VKI_SIGUNUSED		31
139
140/* These should not be considered constants from userland.  */
141#define VKI_SIGRTMIN	32
142// [[This was (_NSIG-1) in 2.4.X... not sure if it matters.]]
143#define VKI_SIGRTMAX	_VKI_NSIG
144
145#define VKI_SA_NOCLDSTOP	0x00000001u
146#define VKI_SA_NOCLDWAIT	0x00000002u
147#define VKI_SA_SIGINFO		0x00000004u
148#define VKI_SA_ONSTACK		0x08000000u
149#define VKI_SA_RESTART		0x10000000u
150#define VKI_SA_NODEFER		0x40000000u
151#define VKI_SA_RESETHAND	0x80000000u
152
153#define VKI_SA_NOMASK		VKI_SA_NODEFER
154#define VKI_SA_ONESHOT		VKI_SA_RESETHAND
155//#define VKI_SA_INTERRUPT	0x20000000 /* dummy -- ignored */
156
157#define VKI_SA_RESTORER		0x04000000
158
159#define VKI_SS_ONSTACK	1
160#define VKI_SS_DISABLE	2
161
162struct vki_old_sigaction {
163        // [[Nb: a 'k' prefix is added to "sa_handler" because
164        // bits/sigaction.h (which gets dragged in somehow via signal.h)
165        // #defines it as something else.  Since that is done for glibc's
166        // purposes, which we don't care about here, we use our own name.]]
167        __vki_sighandler_t ksa_handler;
168        vki_old_sigset_t sa_mask;
169        unsigned long sa_flags;
170        __vki_sigrestore_t sa_restorer;
171};
172
173struct vki_sigaction_base {
174        // [[See comment about extra 'k' above]]
175	__vki_sighandler_t ksa_handler;
176	unsigned long sa_flags;
177	__vki_sigrestore_t sa_restorer;
178	vki_sigset_t sa_mask;		/* mask last for extensibility */
179};
180
181/* On Linux we use the same type for passing sigactions to
182   and from the kernel.  Hence: */
183typedef  struct vki_sigaction_base  vki_sigaction_toK_t;
184typedef  struct vki_sigaction_base  vki_sigaction_fromK_t;
185
186
187typedef struct vki_sigaltstack {
188	void __user *ss_sp;
189	int ss_flags;
190	vki_size_t ss_size;
191} vki_stack_t;
192
193//----------------------------------------------------------------------
194// From linux-2.6.8.1/include/asm-i386/sigcontext.h
195//----------------------------------------------------------------------
196
197struct vki_sigcontext {
198		unsigned long trap_no;
199		unsigned long error_code;
200		unsigned long oldmask;
201		unsigned long arm_r0;
202		unsigned long arm_r1;
203		unsigned long arm_r2;
204		unsigned long arm_r3;
205		unsigned long arm_r4;
206		unsigned long arm_r5;
207		unsigned long arm_r6;
208		unsigned long arm_r7;
209		unsigned long arm_r8;
210		unsigned long arm_r9;
211		unsigned long arm_r10;
212		unsigned long arm_fp;
213		unsigned long arm_ip;
214		unsigned long arm_sp;
215		unsigned long arm_lr;
216		unsigned long arm_pc;
217		unsigned long arm_cpsr;
218		unsigned long fault_address;
219};
220
221//----------------------------------------------------------------------
222// From linux-2.6.8.1/include/asm-i386/mman.h
223//----------------------------------------------------------------------
224
225#define VKI_PROT_NONE	0x0		/* No page permissions */
226#define VKI_PROT_READ	0x1		/* page can be read */
227#define VKI_PROT_WRITE	0x2		/* page can be written */
228#define VKI_PROT_EXEC	0x4		/* page can be executed */
229#define VKI_PROT_GROWSDOWN	0x01000000	/* mprotect flag: extend change to start of growsdown vma */
230#define VKI_PROT_GROWSUP	0x02000000	/* mprotect flag: extend change to end of growsup vma */
231
232#define VKI_MAP_SHARED	0x01		/* Share changes */
233#define VKI_MAP_PRIVATE	0x02		/* Changes are private */
234//#define VKI_MAP_TYPE	0x0f		/* Mask for type of mapping */
235#define VKI_MAP_FIXED	0x10		/* Interpret addr exactly */
236#define VKI_MAP_ANONYMOUS	0x20	/* don't use a file */
237#define VKI_MAP_NORESERVE	0x4000		/* don't check for reservations */
238
239//----------------------------------------------------------------------
240// From linux-2.6.8.1/include/asm-i386/fcntl.h
241//----------------------------------------------------------------------
242
243#define VKI_O_RDONLY	     00
244#define VKI_O_WRONLY	     01
245#define VKI_O_RDWR	     02
246#define VKI_O_CREAT	   0100	/* not fcntl */
247#define VKI_O_EXCL	   0200	/* not fcntl */
248#define VKI_O_TRUNC	  01000	/* not fcntl */
249#define VKI_O_APPEND	  02000
250#define VKI_O_NONBLOCK	  04000
251#define VKI_O_LARGEFILE	0100000
252
253#define VKI_AT_FDCWD            -100
254
255#define VKI_F_DUPFD		0	/* dup */
256#define VKI_F_GETFD		1	/* get close_on_exec */
257#define VKI_F_SETFD		2	/* set/clear close_on_exec */
258#define VKI_F_GETFL		3	/* get file->f_flags */
259#define VKI_F_SETFL		4	/* set file->f_flags */
260#define VKI_F_GETLK		5
261#define VKI_F_SETLK		6
262#define VKI_F_SETLKW		7
263
264#define VKI_F_SETOWN		8	/*  for sockets. */
265#define VKI_F_GETOWN		9	/*  for sockets. */
266#define VKI_F_SETSIG		10	/*  for sockets. */
267#define VKI_F_GETSIG		11	/*  for sockets. */
268
269#define VKI_F_GETLK64		12	/*  using 'struct flock64' */
270#define VKI_F_SETLK64		13
271#define VKI_F_SETLKW64		14
272
273/* for F_[GET|SET]FL */
274#define VKI_FD_CLOEXEC	1	/* actually anything with low bit set goes */
275
276#define VKI_F_LINUX_SPECIFIC_BASE	1024
277
278//----------------------------------------------------------------------
279// From linux-2.6.8.1/include/asm-i386/resource.h
280//----------------------------------------------------------------------
281
282#define VKI_RLIMIT_DATA		2	/* max data size */
283#define VKI_RLIMIT_STACK	3	/* max stack size */
284#define VKI_RLIMIT_CORE		4	/* max core file size */
285#define VKI_RLIMIT_NOFILE	7	/* max number of open files */
286
287//----------------------------------------------------------------------
288// From linux-2.6.8.1/include/asm-i386/socket.h
289//----------------------------------------------------------------------
290
291#define VKI_SOL_SOCKET	1
292
293#define VKI_SO_TYPE	3
294
295//----------------------------------------------------------------------
296// From linux-2.6.8.1/include/asm-i386/sockios.h
297//----------------------------------------------------------------------
298
299#define VKI_SIOCSPGRP           0x8902
300#define VKI_SIOCGPGRP           0x8904
301#define VKI_SIOCGSTAMP          0x8906      /* Get stamp (timeval) */
302#define VKI_SIOCGSTAMPNS        0x8907      /* Get stamp (timespec) */
303
304//----------------------------------------------------------------------
305// From linux-2.6.8.1/include/asm-i386/stat.h
306//----------------------------------------------------------------------
307
308struct vki_stat {
309	unsigned long  st_dev;
310	unsigned long  st_ino;
311	unsigned short st_mode;
312	unsigned short st_nlink;
313	unsigned short st_uid;
314	unsigned short st_gid;
315	unsigned long  st_rdev;
316	unsigned long  st_size;
317	unsigned long  st_blksize;
318	unsigned long  st_blocks;
319	unsigned long  st_atime;
320	unsigned long  st_atime_nsec;
321	unsigned long  st_mtime;
322	unsigned long  st_mtime_nsec;
323	unsigned long  st_ctime;
324	unsigned long  st_ctime_nsec;
325	unsigned long  __unused4;
326	unsigned long  __unused5;
327};
328
329struct vki_stat64 {
330	unsigned long long	st_dev;
331	unsigned char	__pad0[4];
332
333#define STAT64_HAS_BROKEN_ST_INO	1
334	unsigned long	__st_ino;
335
336	unsigned int	st_mode;
337	unsigned int	st_nlink;
338
339	unsigned long	st_uid;
340	unsigned long	st_gid;
341
342	unsigned long long	st_rdev;
343	unsigned char	__pad3[4];
344
345	long long	st_size;
346	unsigned long	st_blksize;
347
348	unsigned long	st_blocks;	/* Number 512-byte blocks allocated. */
349	unsigned long	__pad4;		/* future possible st_blocks high bits */
350
351	unsigned long	st_atime;
352	unsigned long	st_atime_nsec;
353
354	unsigned long	st_mtime;
355	unsigned int	st_mtime_nsec;
356
357	unsigned long	st_ctime;
358	unsigned long	st_ctime_nsec;
359
360	unsigned long long	st_ino;
361};
362
363//----------------------------------------------------------------------
364// From linux-2.6.8.1/include/asm-i386/statfs.h
365//----------------------------------------------------------------------
366
367// [[Nb: asm-i386/statfs.h just #include asm-generic/statfs.h directly]]
368struct vki_statfs {
369	__vki_u32 f_type;
370	__vki_u32 f_bsize;
371	__vki_u32 f_blocks;
372	__vki_u32 f_bfree;
373	__vki_u32 f_bavail;
374	__vki_u32 f_files;
375	__vki_u32 f_ffree;
376	__vki_kernel_fsid_t f_fsid;
377	__vki_u32 f_namelen;
378	__vki_u32 f_frsize;
379	__vki_u32 f_spare[5];
380};
381
382//----------------------------------------------------------------------
383// From linux-2.6.8.1/include/asm-i386/termios.h
384//----------------------------------------------------------------------
385
386struct vki_winsize {
387	unsigned short ws_row;
388	unsigned short ws_col;
389	unsigned short ws_xpixel;
390	unsigned short ws_ypixel;
391};
392
393#define VKI_NCC 8
394struct vki_termio {
395	unsigned short c_iflag;		/* input mode flags */
396	unsigned short c_oflag;		/* output mode flags */
397	unsigned short c_cflag;		/* control mode flags */
398	unsigned short c_lflag;		/* local mode flags */
399	unsigned char c_line;		/* line discipline */
400	unsigned char c_cc[VKI_NCC];	/* control characters */
401};
402
403
404//----------------------------------------------------------------------
405// From linux-2.6.8.1/include/asm-i386/termbits.h
406//----------------------------------------------------------------------
407
408typedef unsigned char   vki_cc_t;
409typedef unsigned int    vki_tcflag_t;
410
411#define VKI_NCCS 19
412struct vki_termios {
413	vki_tcflag_t c_iflag;		/* input mode flags */
414	vki_tcflag_t c_oflag;		/* output mode flags */
415	vki_tcflag_t c_cflag;		/* control mode flags */
416	vki_tcflag_t c_lflag;		/* local mode flags */
417	vki_cc_t c_line;		/* line discipline */
418	vki_cc_t c_cc[VKI_NCCS];	/* control characters */
419};
420
421//----------------------------------------------------------------------
422// From linux-2.6.8.1/include/asm-i386/ioctl.h
423//----------------------------------------------------------------------
424
425#define _VKI_IOC_NRBITS		8
426#define _VKI_IOC_TYPEBITS	8
427#define _VKI_IOC_SIZEBITS	14
428#define _VKI_IOC_DIRBITS	2
429
430#define _VKI_IOC_NRMASK		((1 << _VKI_IOC_NRBITS)-1)
431#define _VKI_IOC_TYPEMASK	((1 << _VKI_IOC_TYPEBITS)-1)
432#define _VKI_IOC_SIZEMASK	((1 << _VKI_IOC_SIZEBITS)-1)
433#define _VKI_IOC_DIRMASK	((1 << _VKI_IOC_DIRBITS)-1)
434
435#define _VKI_IOC_NRSHIFT	0
436#define _VKI_IOC_TYPESHIFT	(_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS)
437#define _VKI_IOC_SIZESHIFT	(_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS)
438#define _VKI_IOC_DIRSHIFT	(_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS)
439
440#define _VKI_IOC_NONE	0U
441#define _VKI_IOC_WRITE	1U
442#define _VKI_IOC_READ	2U
443
444#define _VKI_IOC(dir,type,nr,size) \
445	(((dir)  << _VKI_IOC_DIRSHIFT) | \
446	 ((type) << _VKI_IOC_TYPESHIFT) | \
447	 ((nr)   << _VKI_IOC_NRSHIFT) | \
448	 ((size) << _VKI_IOC_SIZESHIFT))
449
450/* used to create numbers */
451#define _VKI_IO(type,nr)	_VKI_IOC(_VKI_IOC_NONE,(type),(nr),0)
452#define _VKI_IOR(type,nr,size)	_VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
453#define _VKI_IOW(type,nr,size)	_VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
454#define _VKI_IOWR(type,nr,size)	_VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
455
456/* used to decode ioctl numbers.. */
457#define _VKI_IOC_DIR(nr)	(((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK)
458#define _VKI_IOC_TYPE(nr)	(((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK)
459#define _VKI_IOC_NR(nr)		(((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK)
460#define _VKI_IOC_SIZE(nr)	(((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK)
461
462//----------------------------------------------------------------------
463// From linux-2.6.8.1/include/asm-i386/ioctls.h
464//----------------------------------------------------------------------
465
466#define VKI_TCGETS	0x5401
467#define VKI_TCSETS	0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */
468#define VKI_TCSETSW	0x5403
469#define VKI_TCSETSF	0x5404
470#define VKI_TCGETA	0x5405
471#define VKI_TCSETA	0x5406
472#define VKI_TCSETAW	0x5407
473#define VKI_TCSETAF	0x5408
474#define VKI_TCSBRK	0x5409
475#define VKI_TCXONC	0x540A
476#define VKI_TCFLSH	0x540B
477#define VKI_TIOCSCTTY	0x540E
478#define VKI_TIOCGPGRP	0x540F
479#define VKI_TIOCSPGRP	0x5410
480#define VKI_TIOCOUTQ	0x5411
481#define VKI_TIOCGWINSZ	0x5413
482#define VKI_TIOCSWINSZ	0x5414
483#define VKI_TIOCMGET	0x5415
484#define VKI_TIOCMBIS	0x5416
485#define VKI_TIOCMBIC	0x5417
486#define VKI_TIOCMSET	0x5418
487#define VKI_FIONREAD	0x541B
488#define VKI_TIOCLINUX	0x541C
489#define VKI_FIONBIO	0x5421
490#define VKI_TCSBRKP	0x5425	/* Needed for POSIX tcsendbreak() */
491#define VKI_TIOCGPTN	_VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
492#define VKI_TIOCSPTLCK	_VKI_IOW('T',0x31, int)  /* Lock/unlock Pty */
493
494#define VKI_FIOASYNC	0x5452
495#define VKI_TIOCSERGETLSR   0x5459 /* Get line status register */
496
497#define VKI_TIOCGICOUNT	0x545D	/* read serial port inline interrupt counts */
498
499//----------------------------------------------------------------------
500// From linux-2.6.39-rc2/arch/arm/include/asm/ioctls.h
501//----------------------------------------------------------------------
502
503#define VKI_FIOQSIZE 0x545E
504
505//----------------------------------------------------------------------
506// From asm-generic/poll.h
507//----------------------------------------------------------------------
508
509/* These are specified by iBCS2 */
510#define VKI_POLLIN		0x0001
511
512struct vki_pollfd {
513	int fd;
514	short events;
515	short revents;
516};
517
518//----------------------------------------------------------------------
519// From linux-2.6.8.1/include/asm-i386/user.h
520//----------------------------------------------------------------------
521
522struct vki_user_fp {
523	struct vki_fp_reg {
524		unsigned int sign1:1;
525		unsigned int unused:15;
526		unsigned int sign2:1;
527		unsigned int exponent:14;
528		unsigned int j:1;
529		unsigned int mantissa1:31;
530		unsigned int mantissa0:32;
531	} fpregs[8];
532	unsigned int fpsr:32;
533	unsigned int fpcr:32;
534	unsigned char ftype[8];
535	unsigned int init_flag;
536};
537
538struct vki_user_vfp {
539	unsigned long long fpregs[32];
540	unsigned long fpscr;
541};
542
543#define VKI_IWMMXT_SIZE 0x98
544
545struct vki_iwmmxt_struct {
546	unsigned int save[VKI_IWMMXT_SIZE / sizeof(unsigned int)];
547};
548
549struct vki_crunch_state {
550	unsigned int    mvdx[16][2];
551	unsigned int    mvax[4][3];
552	unsigned int    dspsc[2];
553};
554
555#define VKI_CRUNCH_SIZE sizeof(struct vki_crunch_state)
556
557struct vki_user_regs_struct {
558    long uregs[18];
559};
560#define ARM_cpsr	uregs[16]
561#define ARM_pc		uregs[15]
562#define ARM_lr		uregs[14]
563#define ARM_sp		uregs[13]
564#define ARM_ip		uregs[12]
565#define ARM_fp		uregs[11]
566#define ARM_r10		uregs[10]
567#define ARM_r9		uregs[9]
568#define ARM_r8		uregs[8]
569#define ARM_r7		uregs[7]
570#define ARM_r6		uregs[6]
571#define ARM_r5		uregs[5]
572#define ARM_r4		uregs[4]
573#define ARM_r3		uregs[3]
574#define ARM_r2		uregs[2]
575#define ARM_r1		uregs[1]
576#define ARM_r0		uregs[0]
577#define ARM_ORIG_r0	uregs[17]
578//----------------------------------------------------------------------
579// From linux-2.6.8.1/include/asm-i386/elf.h
580//----------------------------------------------------------------------
581
582typedef unsigned long vki_elf_greg_t;
583
584#define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t))
585typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG];
586
587typedef struct vki_user_fp vki_elf_fpregset_t;
588
589#define VKI_AT_SYSINFO		32
590
591//----------------------------------------------------------------------
592// From linux-2.6.8.1/include/asm-i386/ucontext.h
593//----------------------------------------------------------------------
594
595struct vki_ucontext {
596	unsigned long		uc_flags;
597	struct vki_ucontext    *uc_link;
598	vki_stack_t		uc_stack;
599	struct vki_sigcontext	uc_mcontext;
600	vki_sigset_t		uc_sigmask;	/* mask last for extensibility */
601	int               __unused1[32 - (sizeof (vki_sigset_t) / sizeof (int))];
602	unsigned long     uc_regspace[128] __attribute__((__aligned__(8)));
603
604};
605
606//----------------------------------------------------------------------
607// From linux-2.6.8.1/include/asm-i386/segment.h
608//----------------------------------------------------------------------
609
610#define VKI_GDT_ENTRY_TLS_ENTRIES	3
611#define VKI_GDT_ENTRY_TLS_MIN	6
612#define VKI_GDT_ENTRY_TLS_MAX 	(VKI_GDT_ENTRY_TLS_MIN + VKI_GDT_ENTRY_TLS_ENTRIES - 1)
613
614//----------------------------------------------------------------------
615// From linux-2.6.8.1/include/asm-i386/ldt.h
616//----------------------------------------------------------------------
617
618/* [[Nb: This is the structure passed to the modify_ldt syscall.  Just so as
619   to confuse and annoy everyone, this is _not_ the same as an
620   VgLdtEntry and has to be translated into such.  The logic for doing
621   so, in vg_ldt.c, is copied from the kernel sources.]] */
622struct vki_user_desc {
623	unsigned int  entry_number;
624	unsigned long base_addr;
625	unsigned int  limit;
626	unsigned int  seg_32bit:1;
627	unsigned int  contents:2;
628	unsigned int  read_exec_only:1;
629	unsigned int  limit_in_pages:1;
630	unsigned int  seg_not_present:1;
631	unsigned int  useable:1;
632        // [[Nb: this field is not in the kernel sources, but it has always
633        // been in the Valgrind sources so I will keep it there in case it's
634        // important... this is an x86-defined data structure so who
635        // knows;  maybe it's important to set this field to zero at some
636        // point.  --njn]]
637	unsigned int  reserved:25;
638};
639
640// [[Nb: for our convenience within Valgrind, use a more specific name]]
641typedef struct vki_user_desc vki_modify_ldt_t;
642
643//----------------------------------------------------------------------
644// From linux-2.6.8.1/include/asm-i386/ipcbuf.h
645//----------------------------------------------------------------------
646
647struct vki_ipc64_perm
648{
649	__vki_kernel_key_t	key;
650	__vki_kernel_uid32_t	uid;
651	__vki_kernel_gid32_t	gid;
652	__vki_kernel_uid32_t	cuid;
653	__vki_kernel_gid32_t	cgid;
654	__vki_kernel_mode_t	mode;
655	unsigned short		__pad1;
656	unsigned short		seq;
657	unsigned short		__pad2;
658	unsigned long		__unused1;
659	unsigned long		__unused2;
660};
661
662//----------------------------------------------------------------------
663// From linux-2.6.8.1/include/asm-i386/sembuf.h
664//----------------------------------------------------------------------
665
666struct vki_semid64_ds {
667	struct vki_ipc64_perm sem_perm;		/* permissions .. see ipc.h */
668	__vki_kernel_time_t	sem_otime;		/* last semop time */
669	unsigned long	__unused1;
670	__vki_kernel_time_t	sem_ctime;		/* last change time */
671	unsigned long	__unused2;
672	unsigned long	sem_nsems;		/* no. of semaphores in array */
673	unsigned long	__unused3;
674	unsigned long	__unused4;
675};
676
677//----------------------------------------------------------------------
678// From linux-2.6.8.1/include/asm-i386/msgbuf.h
679//----------------------------------------------------------------------
680
681struct vki_msqid64_ds {
682	struct vki_ipc64_perm msg_perm;
683	__vki_kernel_time_t msg_stime;	/* last msgsnd time */
684	unsigned long	__unused1;
685	__vki_kernel_time_t msg_rtime;	/* last msgrcv time */
686	unsigned long	__unused2;
687	__vki_kernel_time_t msg_ctime;	/* last change time */
688	unsigned long	__unused3;
689	unsigned long  msg_cbytes;	/* current number of bytes on queue */
690	unsigned long  msg_qnum;	/* number of messages in queue */
691	unsigned long  msg_qbytes;	/* max number of bytes on queue */
692	__vki_kernel_pid_t msg_lspid;	/* pid of last msgsnd */
693	__vki_kernel_pid_t msg_lrpid;	/* last receive pid */
694	unsigned long  __unused4;
695	unsigned long  __unused5;
696};
697
698//----------------------------------------------------------------------
699// From linux-2.6.8.1/include/asm-i386/ipc.h
700//----------------------------------------------------------------------
701
702struct vki_ipc_kludge {
703	struct vki_msgbuf __user *msgp;
704	long msgtyp;
705};
706
707#define VKI_SEMOP		 1
708#define VKI_SEMGET		 2
709#define VKI_SEMCTL		 3
710#define VKI_SEMTIMEDOP	 	 4
711#define VKI_MSGSND		11
712#define VKI_MSGRCV		12
713#define VKI_MSGGET		13
714#define VKI_MSGCTL		14
715#define VKI_SHMAT		21
716#define VKI_SHMDT		22
717#define VKI_SHMGET		23
718#define VKI_SHMCTL		24
719
720//----------------------------------------------------------------------
721// From linux-2.6.8.1/include/asm-i386/shmbuf.h
722//----------------------------------------------------------------------
723
724struct vki_shmid64_ds {
725	struct vki_ipc64_perm	shm_perm;	/* operation perms */
726	vki_size_t		shm_segsz;	/* size of segment (bytes) */
727	__vki_kernel_time_t	shm_atime;	/* last attach time */
728	unsigned long		__unused1;
729	__vki_kernel_time_t	shm_dtime;	/* last detach time */
730	unsigned long		__unused2;
731	__vki_kernel_time_t	shm_ctime;	/* last change time */
732	unsigned long		__unused3;
733	__vki_kernel_pid_t	shm_cpid;	/* pid of creator */
734	__vki_kernel_pid_t	shm_lpid;	/* pid of last operator */
735	unsigned long		shm_nattch;	/* no. of current attaches */
736	unsigned long		__unused4;
737	unsigned long		__unused5;
738};
739
740struct vki_shminfo64 {
741	unsigned long	shmmax;
742	unsigned long	shmmin;
743	unsigned long	shmmni;
744	unsigned long	shmseg;
745	unsigned long	shmall;
746	unsigned long	__unused1;
747	unsigned long	__unused2;
748	unsigned long	__unused3;
749	unsigned long	__unused4;
750};
751
752//----------------------------------------------------------------------
753// DRM ioctls
754//----------------------------------------------------------------------
755
756// jrs 20050207: where did all this stuff come from?  Is it really
757// i386 specific, or should it go into the linux-generic category?
758//struct vki_drm_buf_pub {
759//	Int		  idx;	       /**< Index into the master buffer list */
760//	Int		  total;       /**< Buffer size */
761//	Int		  used;	       /**< Amount of buffer in use (for DMA) */
762//	void	  __user *address;     /**< Address of buffer */
763//};
764//
765//struct vki_drm_buf_map {
766//	Int	      count;		/**< Length of the buffer list */
767//	void	      __user *virtual;	/**< Mmap'd area in user-virtual */
768//	struct vki_drm_buf_pub __user *list;	/**< Buffer information */
769//};
770//
771///* We need to pay attention to this, because it mmaps memory */
772//#define VKI_DRM_IOCTL_MAP_BUFS		_VKI_IOWR('d', 0x19, struct vki_drm_buf_map)
773
774//----------------------------------------------------------------------
775// From linux-2.6.9/include/asm-i386/ptrace.h
776//----------------------------------------------------------------------
777
778#define VKI_PTRACE_GETREGS            12
779#define VKI_PTRACE_SETREGS            13
780#define VKI_PTRACE_GETFPREGS          14
781#define VKI_PTRACE_SETFPREGS          15
782#define VKI_PTRACE_GETWMMXREGS        18
783#define VKI_PTRACE_SETWMMXREGS        19
784#define VKI_PTRACE_GET_THREAD_AREA    22
785#define VKI_PTRACE_SET_SYSCALL        23
786#define VKI_PTRACE_GETCRUNCHREGS      25
787#define VKI_PTRACE_SETCRUNCHREGS      26
788#define VKI_PTRACE_GETVFPREGS         27
789#define VKI_PTRACE_SETVFPREGS         28
790#define VKI_PTRACE_GETHBPREGS         29
791#define VKI_PTRACE_SETHBPREGS         30
792
793//----------------------------------------------------------------------
794// From linux-2.6.15.4/include/asm-i386/vm86.h
795//----------------------------------------------------------------------
796
797#define VKI_VM86_PLUS_INSTALL_CHECK	0
798#define VKI_VM86_ENTER			1
799#define VKI_VM86_ENTER_NO_BYPASS	2
800#define	VKI_VM86_REQUEST_IRQ		3
801#define VKI_VM86_FREE_IRQ		4
802#define VKI_VM86_GET_IRQ_BITS		5
803#define VKI_VM86_GET_AND_RESET_IRQ	6
804
805struct vki_vm86_regs {
806/*
807 * normal regs, with special meaning for the segment descriptors..
808 */
809	long ebx;
810	long ecx;
811	long edx;
812	long esi;
813	long edi;
814	long ebp;
815	long eax;
816	long __null_ds;
817	long __null_es;
818	long __null_fs;
819	long __null_gs;
820	long orig_eax;
821	long eip;
822	unsigned short cs, __csh;
823	long eflags;
824	long esp;
825	unsigned short ss, __ssh;
826/*
827 * these are specific to v86 mode:
828 */
829	unsigned short es, __esh;
830	unsigned short ds, __dsh;
831	unsigned short fs, __fsh;
832	unsigned short gs, __gsh;
833};
834
835struct vki_revectored_struct {
836	unsigned long __map[8];			/* 256 bits */
837};
838
839struct vki_vm86_struct {
840	struct vki_vm86_regs regs;
841	unsigned long flags;
842	unsigned long screen_bitmap;
843	unsigned long cpu_type;
844	struct vki_revectored_struct int_revectored;
845	struct vki_revectored_struct int21_revectored;
846};
847
848struct vki_vm86plus_info_struct {
849	unsigned long force_return_for_pic:1;
850	unsigned long vm86dbg_active:1;       /* for debugger */
851	unsigned long vm86dbg_TFpendig:1;     /* for debugger */
852	unsigned long unused:28;
853	unsigned long is_vm86pus:1;	      /* for vm86 internal use */
854	unsigned char vm86dbg_intxxtab[32];   /* for debugger */
855};
856
857struct vki_vm86plus_struct {
858	struct vki_vm86_regs regs;
859	unsigned long flags;
860	unsigned long screen_bitmap;
861	unsigned long cpu_type;
862	struct vki_revectored_struct int_revectored;
863	struct vki_revectored_struct int21_revectored;
864	struct vki_vm86plus_info_struct vm86plus;
865};
866
867//----------------------------------------------------------------------
868// From linux-2.6.35.4/arch/arm/include/asm/hwcap.h
869//----------------------------------------------------------------------
870
871#define VKI_HWCAP_NEON      4096
872
873//----------------------------------------------------------------------
874// And that's it!
875//----------------------------------------------------------------------
876
877#endif // __VKI_ARM_LINUX_H
878
879/*--------------------------------------------------------------------*/
880/*--- end                                          vki-arm-linux.h ---*/
881/*--------------------------------------------------------------------*/
882