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      1 
      2 /*--------------------------------------------------------------------*/
      3 /*--- x86/Linux-specific kernel interface.         vki-x86-linux.h ---*/
      4 /*--------------------------------------------------------------------*/
      5 
      6 /*
      7    This file is part of Valgrind, a dynamic binary instrumentation
      8    framework.
      9 
     10    Copyright (C) 2000-2015 Julian Seward
     11       jseward (at) 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_X86_LINUX_H
     32 #define __VKI_X86_LINUX_H
     33 
     34 // x86 is little-endian.
     35 #define VKI_LITTLE_ENDIAN  1
     36 
     37 //----------------------------------------------------------------------
     38 // From linux-2.6.8.1/include/asm-i386/types.h
     39 //----------------------------------------------------------------------
     40 
     41 typedef unsigned char __vki_u8;
     42 
     43 typedef __signed__ short __vki_s16;
     44 typedef unsigned short __vki_u16;
     45 
     46 typedef __signed__ int __vki_s32;
     47 typedef unsigned int __vki_u32;
     48 
     49 typedef __signed__ long long __vki_s64;
     50 typedef unsigned long long __vki_u64;
     51 
     52 typedef unsigned short vki_u16;
     53 
     54 typedef unsigned int vki_u32;
     55 
     56 //----------------------------------------------------------------------
     57 // From linux-2.6.8.1/include/asm-i386/page.h
     58 //----------------------------------------------------------------------
     59 
     60 /* PAGE_SHIFT determines the page size */
     61 #define VKI_PAGE_SHIFT	12
     62 #define VKI_PAGE_SIZE	(1UL << VKI_PAGE_SHIFT)
     63 #define VKI_MAX_PAGE_SHIFT	VKI_PAGE_SHIFT
     64 #define VKI_MAX_PAGE_SIZE	VKI_PAGE_SIZE
     65 
     66 //----------------------------------------------------------------------
     67 // From linux-2.6.35.4/arch/x86/include/asm/shmparam.h
     68 //----------------------------------------------------------------------
     69 
     70 #define VKI_SHMLBA  VKI_PAGE_SIZE
     71 
     72 //----------------------------------------------------------------------
     73 // From linux-2.6.8.1/include/asm-i386/signal.h
     74 //----------------------------------------------------------------------
     75 
     76 #define VKI_MINSIGSTKSZ	2048
     77 
     78 #define VKI_SIG_BLOCK          0	/* for blocking signals */
     79 #define VKI_SIG_UNBLOCK        1	/* for unblocking signals */
     80 #define VKI_SIG_SETMASK        2	/* for setting the signal mask */
     81 
     82 /* Type of a signal handler.  */
     83 typedef void __vki_signalfn_t(int);
     84 typedef __vki_signalfn_t __user *__vki_sighandler_t;
     85 
     86 typedef void __vki_restorefn_t(void);
     87 typedef __vki_restorefn_t __user *__vki_sigrestore_t;
     88 
     89 #define VKI_SIG_DFL	((__vki_sighandler_t)0)	/* default signal handling */
     90 #define VKI_SIG_IGN	((__vki_sighandler_t)1)	/* ignore signal */
     91 
     92 #define _VKI_NSIG	64
     93 #define _VKI_NSIG_BPW	32
     94 #define _VKI_NSIG_WORDS	(_VKI_NSIG / _VKI_NSIG_BPW)
     95 
     96 typedef unsigned long vki_old_sigset_t;		/* at least 32 bits */
     97 
     98 typedef struct {
     99 	unsigned long sig[_VKI_NSIG_WORDS];
    100 } vki_sigset_t;
    101 
    102 #define VKI_SIGHUP		 1
    103 #define VKI_SIGINT		 2
    104 #define VKI_SIGQUIT		 3
    105 #define VKI_SIGILL		 4
    106 #define VKI_SIGTRAP		 5
    107 #define VKI_SIGABRT		 6
    108 //#define VKI_SIGIOT		 6
    109 #define VKI_SIGBUS		 7
    110 #define VKI_SIGFPE		 8
    111 #define VKI_SIGKILL		 9
    112 #define VKI_SIGUSR1		10
    113 #define VKI_SIGSEGV		11
    114 #define VKI_SIGUSR2		12
    115 #define VKI_SIGPIPE		13
    116 #define VKI_SIGALRM		14
    117 #define VKI_SIGTERM		15
    118 #define VKI_SIGSTKFLT		16
    119 #define VKI_SIGCHLD		17
    120 #define VKI_SIGCONT		18
    121 #define VKI_SIGSTOP		19
    122 #define VKI_SIGTSTP		20
    123 #define VKI_SIGTTIN		21
    124 #define VKI_SIGTTOU		22
    125 #define VKI_SIGURG		23
    126 #define VKI_SIGXCPU		24
    127 #define VKI_SIGXFSZ		25
    128 #define VKI_SIGVTALRM		26
    129 #define VKI_SIGPROF		27
    130 #define VKI_SIGWINCH		28
    131 #define VKI_SIGIO		29
    132 #define VKI_SIGPWR		30
    133 #define VKI_SIGSYS		31
    134 #define	VKI_SIGUNUSED		31
    135 
    136 /* These should not be considered constants from userland.  */
    137 #define VKI_SIGRTMIN	32
    138 // [[This was (_NSIG-1) in 2.4.X... not sure if it matters.]]
    139 #define VKI_SIGRTMAX	_VKI_NSIG
    140 
    141 #define VKI_SA_NOCLDSTOP	0x00000001u
    142 #define VKI_SA_NOCLDWAIT	0x00000002u
    143 #define VKI_SA_SIGINFO		0x00000004u
    144 #define VKI_SA_ONSTACK		0x08000000u
    145 #define VKI_SA_RESTART		0x10000000u
    146 #define VKI_SA_NODEFER		0x40000000u
    147 #define VKI_SA_RESETHAND	0x80000000u
    148 
    149 #define VKI_SA_NOMASK		VKI_SA_NODEFER
    150 #define VKI_SA_ONESHOT		VKI_SA_RESETHAND
    151 //#define VKI_SA_INTERRUPT	0x20000000 /* dummy -- ignored */
    152 
    153 #define VKI_SA_RESTORER		0x04000000
    154 
    155 #define VKI_SS_ONSTACK	1
    156 #define VKI_SS_DISABLE	2
    157 
    158 /* These are 'legacy' sigactions in which the size of sa_mask is fixed
    159    (cannot be expanded at any future point) because it is sandwiched
    160    between two other fields.
    161    (there is identical kludgery in vki-ppc32-linux.h) */
    162 struct 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 
    173 struct 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: */
    183 typedef  struct vki_sigaction_base  vki_sigaction_toK_t;
    184 typedef  struct vki_sigaction_base  vki_sigaction_fromK_t;
    185 
    186 
    187 typedef 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 
    197 struct _vki_fpreg {
    198 	unsigned short significand[4];
    199 	unsigned short exponent;
    200 };
    201 
    202 struct _vki_fpxreg {
    203 	unsigned short significand[4];
    204 	unsigned short exponent;
    205 	unsigned short padding[3];
    206 };
    207 
    208 struct _vki_xmmreg {
    209 	unsigned long element[4];
    210 };
    211 
    212 struct _vki_fpstate {
    213 	/* Regular FPU environment */
    214 	unsigned long 	cw;
    215 	unsigned long	sw;
    216 	unsigned long	tag;
    217 	unsigned long	ipoff;
    218 	unsigned long	cssel;
    219 	unsigned long	dataoff;
    220 	unsigned long	datasel;
    221 	struct _vki_fpreg	_st[8];
    222 	unsigned short	status;
    223 	unsigned short	magic;		/* 0xffff = regular FPU data only */
    224 
    225 	/* FXSR FPU environment */
    226 	unsigned long	_fxsr_env[6];	/* FXSR FPU env is ignored */
    227 	unsigned long	mxcsr;
    228 	unsigned long	reserved;
    229 	struct _vki_fpxreg	_fxsr_st[8];	/* FXSR FPU reg data is ignored */
    230 	struct _vki_xmmreg	_xmm[8];
    231 	unsigned long	padding[56];
    232 };
    233 
    234 struct vki_sigcontext {
    235 	unsigned short gs, __gsh;
    236 	unsigned short fs, __fsh;
    237 	unsigned short es, __esh;
    238 	unsigned short ds, __dsh;
    239 	unsigned long edi;
    240 	unsigned long esi;
    241 	unsigned long ebp;
    242 	unsigned long esp;
    243 	unsigned long ebx;
    244 	unsigned long edx;
    245 	unsigned long ecx;
    246 	unsigned long eax;
    247 	unsigned long trapno;
    248 	unsigned long err;
    249 	unsigned long eip;
    250 	unsigned short cs, __csh;
    251 	unsigned long eflags;
    252 	unsigned long esp_at_signal;
    253 	unsigned short ss, __ssh;
    254 	struct _vki_fpstate __user * fpstate;
    255 	unsigned long oldmask;
    256 	unsigned long cr2;
    257 };
    258 
    259 //----------------------------------------------------------------------
    260 // From linux-2.6.8.1/include/asm-i386/mman.h
    261 //----------------------------------------------------------------------
    262 
    263 #define VKI_PROT_NONE	0x0		/* No page permissions */
    264 #define VKI_PROT_READ	0x1		/* page can be read */
    265 #define VKI_PROT_WRITE	0x2		/* page can be written */
    266 #define VKI_PROT_EXEC	0x4		/* page can be executed */
    267 #define VKI_PROT_GROWSDOWN	0x01000000	/* mprotect flag: extend change to start of growsdown vma */
    268 #define VKI_PROT_GROWSUP	0x02000000	/* mprotect flag: extend change to end of growsup vma */
    269 
    270 #define VKI_MAP_SHARED	0x01		/* Share changes */
    271 #define VKI_MAP_PRIVATE	0x02		/* Changes are private */
    272 //#define VKI_MAP_TYPE	0x0f		/* Mask for type of mapping */
    273 #define VKI_MAP_FIXED	0x10		/* Interpret addr exactly */
    274 #define VKI_MAP_ANONYMOUS	0x20	/* don't use a file */
    275 #define VKI_MAP_NORESERVE	0x4000		/* don't check for reservations */
    276 
    277 //----------------------------------------------------------------------
    278 // From linux-2.6.8.1/include/asm-i386/fcntl.h
    279 //----------------------------------------------------------------------
    280 
    281 #define VKI_O_ACCMODE	     03
    282 #define VKI_O_RDONLY	     00
    283 #define VKI_O_WRONLY	     01
    284 #define VKI_O_RDWR	     02
    285 #define VKI_O_CREAT	   0100	/* not fcntl */
    286 #define VKI_O_EXCL	   0200	/* not fcntl */
    287 #define VKI_O_TRUNC	  01000	/* not fcntl */
    288 #define VKI_O_APPEND	  02000
    289 #define VKI_O_NONBLOCK	  04000
    290 #define VKI_O_LARGEFILE	0100000
    291 
    292 #define VKI_AT_FDCWD            -100
    293 
    294 #define VKI_F_DUPFD		0	/* dup */
    295 #define VKI_F_GETFD		1	/* get close_on_exec */
    296 #define VKI_F_SETFD		2	/* set/clear close_on_exec */
    297 #define VKI_F_GETFL		3	/* get file->f_flags */
    298 #define VKI_F_SETFL		4	/* set file->f_flags */
    299 #define VKI_F_GETLK		5
    300 #define VKI_F_SETLK		6
    301 #define VKI_F_SETLKW		7
    302 
    303 #define VKI_F_SETOWN		8	/*  for sockets. */
    304 #define VKI_F_GETOWN		9	/*  for sockets. */
    305 #define VKI_F_SETSIG		10	/*  for sockets. */
    306 #define VKI_F_GETSIG		11	/*  for sockets. */
    307 
    308 #define VKI_F_GETLK64		12	/*  using 'struct flock64' */
    309 #define VKI_F_SETLK64		13
    310 #define VKI_F_SETLKW64		14
    311 
    312 #define VKI_F_SETOWN_EX		15
    313 #define VKI_F_GETOWN_EX		16
    314 
    315 #define VKI_F_OFD_GETLK		36
    316 #define VKI_F_OFD_SETLK		37
    317 #define VKI_F_OFD_SETLKW	38
    318 
    319 #define VKI_F_OWNER_TID		0
    320 #define VKI_F_OWNER_PID		1
    321 #define VKI_F_OWNER_PGRP	2
    322 
    323 struct vki_f_owner_ex {
    324 	int	type;
    325 	__vki_kernel_pid_t	pid;
    326 };
    327 
    328 /* for F_[GET|SET]FL */
    329 #define VKI_FD_CLOEXEC	1	/* actually anything with low bit set goes */
    330 
    331 #define VKI_F_LINUX_SPECIFIC_BASE	1024
    332 
    333 //----------------------------------------------------------------------
    334 // From linux-2.6.8.1/include/asm-i386/resource.h
    335 //----------------------------------------------------------------------
    336 
    337 #define VKI_RLIMIT_DATA		2	/* max data size */
    338 #define VKI_RLIMIT_STACK	3	/* max stack size */
    339 #define VKI_RLIMIT_CORE		4	/* max core file size */
    340 #define VKI_RLIMIT_NOFILE	7	/* max number of open files */
    341 
    342 //----------------------------------------------------------------------
    343 // From linux-2.6.8.1/include/asm-i386/socket.h
    344 //----------------------------------------------------------------------
    345 
    346 #define VKI_SOL_SOCKET	1
    347 
    348 #define VKI_SO_TYPE	3
    349 
    350 #define VKI_SO_ATTACH_FILTER	26
    351 
    352 //----------------------------------------------------------------------
    353 // From linux-2.6.8.1/include/asm-i386/sockios.h
    354 //----------------------------------------------------------------------
    355 
    356 #define VKI_SIOCSPGRP		0x8902
    357 #define VKI_SIOCGPGRP		0x8904
    358 #define VKI_SIOCATMARK  	0x8905
    359 #define VKI_SIOCGSTAMP		0x8906		/* Get stamp (timeval) */
    360 #define VKI_SIOCGSTAMPNS	0x8907		/* Get stamp (timespec) */
    361 
    362 //----------------------------------------------------------------------
    363 // From linux-2.6.8.1/include/asm-i386/stat.h
    364 //----------------------------------------------------------------------
    365 
    366 struct vki_stat {
    367 	unsigned long  st_dev;
    368 	unsigned long  st_ino;
    369 	unsigned short st_mode;
    370 	unsigned short st_nlink;
    371 	unsigned short st_uid;
    372 	unsigned short st_gid;
    373 	unsigned long  st_rdev;
    374 	unsigned long  st_size;
    375 	unsigned long  st_blksize;
    376 	unsigned long  st_blocks;
    377 	unsigned long  st_atime;
    378 	unsigned long  st_atime_nsec;
    379 	unsigned long  st_mtime;
    380 	unsigned long  st_mtime_nsec;
    381 	unsigned long  st_ctime;
    382 	unsigned long  st_ctime_nsec;
    383 	unsigned long  __unused4;
    384 	unsigned long  __unused5;
    385 };
    386 
    387 struct vki_stat64 {
    388 	unsigned long long	st_dev;
    389 	unsigned char	__pad0[4];
    390 
    391 #define STAT64_HAS_BROKEN_ST_INO	1
    392 	unsigned long	__st_ino;
    393 
    394 	unsigned int	st_mode;
    395 	unsigned int	st_nlink;
    396 
    397 	unsigned long	st_uid;
    398 	unsigned long	st_gid;
    399 
    400 	unsigned long long	st_rdev;
    401 	unsigned char	__pad3[4];
    402 
    403 	long long	st_size;
    404 	unsigned long	st_blksize;
    405 
    406 	unsigned long	st_blocks;	/* Number 512-byte blocks allocated. */
    407 	unsigned long	__pad4;		/* future possible st_blocks high bits */
    408 
    409 	unsigned long	st_atime;
    410 	unsigned long	st_atime_nsec;
    411 
    412 	unsigned long	st_mtime;
    413 	unsigned int	st_mtime_nsec;
    414 
    415 	unsigned long	st_ctime;
    416 	unsigned long	st_ctime_nsec;
    417 
    418 	unsigned long long	st_ino;
    419 };
    420 
    421 //----------------------------------------------------------------------
    422 // From linux-2.6.8.1/include/asm-i386/statfs.h
    423 //----------------------------------------------------------------------
    424 
    425 // [[Nb: asm-i386/statfs.h just #include asm-generic/statfs.h directly]]
    426 struct vki_statfs {
    427 	__vki_u32 f_type;
    428 	__vki_u32 f_bsize;
    429 	__vki_u32 f_blocks;
    430 	__vki_u32 f_bfree;
    431 	__vki_u32 f_bavail;
    432 	__vki_u32 f_files;
    433 	__vki_u32 f_ffree;
    434 	__vki_kernel_fsid_t f_fsid;
    435 	__vki_u32 f_namelen;
    436 	__vki_u32 f_frsize;
    437 	__vki_u32 f_spare[5];
    438 };
    439 
    440 //----------------------------------------------------------------------
    441 // From linux-2.6.8.1/include/asm-i386/termios.h
    442 //----------------------------------------------------------------------
    443 
    444 struct vki_winsize {
    445 	unsigned short ws_row;
    446 	unsigned short ws_col;
    447 	unsigned short ws_xpixel;
    448 	unsigned short ws_ypixel;
    449 };
    450 
    451 #define VKI_NCC 8
    452 struct vki_termio {
    453 	unsigned short c_iflag;		/* input mode flags */
    454 	unsigned short c_oflag;		/* output mode flags */
    455 	unsigned short c_cflag;		/* control mode flags */
    456 	unsigned short c_lflag;		/* local mode flags */
    457 	unsigned char c_line;		/* line discipline */
    458 	unsigned char c_cc[VKI_NCC];	/* control characters */
    459 };
    460 
    461 
    462 //----------------------------------------------------------------------
    463 // From linux-2.6.8.1/include/asm-i386/termbits.h
    464 //----------------------------------------------------------------------
    465 
    466 typedef unsigned char   vki_cc_t;
    467 typedef unsigned int    vki_tcflag_t;
    468 
    469 #define VKI_NCCS 19
    470 struct vki_termios {
    471 	vki_tcflag_t c_iflag;		/* input mode flags */
    472 	vki_tcflag_t c_oflag;		/* output mode flags */
    473 	vki_tcflag_t c_cflag;		/* control mode flags */
    474 	vki_tcflag_t c_lflag;		/* local mode flags */
    475 	vki_cc_t c_line;		/* line discipline */
    476 	vki_cc_t c_cc[VKI_NCCS];	/* control characters */
    477 };
    478 
    479 //----------------------------------------------------------------------
    480 // From linux-2.6.8.1/include/asm-i386/ioctl.h
    481 //----------------------------------------------------------------------
    482 
    483 #define _VKI_IOC_NRBITS		8
    484 #define _VKI_IOC_TYPEBITS	8
    485 #define _VKI_IOC_SIZEBITS	14
    486 #define _VKI_IOC_DIRBITS	2
    487 
    488 #define _VKI_IOC_NRMASK		((1 << _VKI_IOC_NRBITS)-1)
    489 #define _VKI_IOC_TYPEMASK	((1 << _VKI_IOC_TYPEBITS)-1)
    490 #define _VKI_IOC_SIZEMASK	((1 << _VKI_IOC_SIZEBITS)-1)
    491 #define _VKI_IOC_DIRMASK	((1 << _VKI_IOC_DIRBITS)-1)
    492 
    493 #define _VKI_IOC_NRSHIFT	0
    494 #define _VKI_IOC_TYPESHIFT	(_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS)
    495 #define _VKI_IOC_SIZESHIFT	(_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS)
    496 #define _VKI_IOC_DIRSHIFT	(_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS)
    497 
    498 #define _VKI_IOC_NONE	0U
    499 #define _VKI_IOC_WRITE	1U
    500 #define _VKI_IOC_READ	2U
    501 
    502 #define _VKI_IOC(dir,type,nr,size) \
    503 	(((dir)  << _VKI_IOC_DIRSHIFT) | \
    504 	 ((type) << _VKI_IOC_TYPESHIFT) | \
    505 	 ((nr)   << _VKI_IOC_NRSHIFT) | \
    506 	 ((size) << _VKI_IOC_SIZESHIFT))
    507 
    508 /* used to create numbers */
    509 #define _VKI_IO(type,nr)	_VKI_IOC(_VKI_IOC_NONE,(type),(nr),0)
    510 #define _VKI_IOR(type,nr,size)	_VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
    511 #define _VKI_IOW(type,nr,size)	_VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
    512 #define _VKI_IOWR(type,nr,size)	_VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
    513 
    514 /* used to decode ioctl numbers.. */
    515 #define _VKI_IOC_DIR(nr)	(((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK)
    516 #define _VKI_IOC_TYPE(nr)	(((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK)
    517 #define _VKI_IOC_NR(nr)		(((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK)
    518 #define _VKI_IOC_SIZE(nr)	(((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK)
    519 
    520 //----------------------------------------------------------------------
    521 // From linux-2.6.8.1/include/asm-i386/ioctls.h
    522 //----------------------------------------------------------------------
    523 
    524 #define VKI_TCGETS	0x5401
    525 #define VKI_TCSETS	0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */
    526 #define VKI_TCSETSW	0x5403
    527 #define VKI_TCSETSF	0x5404
    528 #define VKI_TCGETA	0x5405
    529 #define VKI_TCSETA	0x5406
    530 #define VKI_TCSETAW	0x5407
    531 #define VKI_TCSETAF	0x5408
    532 #define VKI_TCSBRK	0x5409
    533 #define VKI_TCXONC	0x540A
    534 #define VKI_TCFLSH	0x540B
    535 #define VKI_TIOCSCTTY	0x540E
    536 #define VKI_TIOCGPGRP	0x540F
    537 #define VKI_TIOCSPGRP	0x5410
    538 #define VKI_TIOCOUTQ	0x5411
    539 #define VKI_TIOCGWINSZ	0x5413
    540 #define VKI_TIOCSWINSZ	0x5414
    541 #define VKI_TIOCMGET	0x5415
    542 #define VKI_TIOCMBIS	0x5416
    543 #define VKI_TIOCMBIC	0x5417
    544 #define VKI_TIOCMSET	0x5418
    545 #define VKI_FIONREAD	0x541B
    546 #define VKI_TIOCLINUX	0x541C
    547 #define VKI_FIONBIO	0x5421
    548 #define VKI_TIOCNOTTY	0x5422
    549 #define VKI_TCSBRKP	0x5425	/* Needed for POSIX tcsendbreak() */
    550 #define VKI_TIOCGPTN	_VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
    551 #define VKI_TIOCSPTLCK	_VKI_IOW('T',0x31, int)  /* Lock/unlock Pty */
    552 
    553 #define VKI_FIONCLEX    0x5450
    554 #define VKI_FIOCLEX     0x5451
    555 #define VKI_FIOASYNC	0x5452
    556 #define VKI_TIOCSERGETLSR   0x5459 /* Get line status register */
    557 
    558 #define VKI_TIOCGICOUNT	0x545D	/* read serial port inline interrupt counts */
    559 
    560 //----------------------------------------------------------------------
    561 // From linux-2.6.8.1/include/asm-i386/poll.h
    562 //----------------------------------------------------------------------
    563 
    564 /* These are specified by iBCS2 */
    565 #define VKI_POLLIN		0x0001
    566 
    567 struct vki_pollfd {
    568 	int fd;
    569 	short events;
    570 	short revents;
    571 };
    572 
    573 //----------------------------------------------------------------------
    574 // From linux-2.6.8.1/include/asm-i386/user.h
    575 //----------------------------------------------------------------------
    576 
    577 struct vki_user_i387_struct {
    578 	long	cwd;
    579 	long	swd;
    580 	long	twd;
    581 	long	fip;
    582 	long	fcs;
    583 	long	foo;
    584 	long	fos;
    585 	long	st_space[20];	/* 8*10 bytes for each FP-reg = 80 bytes */
    586 };
    587 
    588 struct vki_user_fxsr_struct {
    589 	unsigned short	cwd;
    590 	unsigned short	swd;
    591 	unsigned short	twd;
    592 	unsigned short	fop;
    593 	long	fip;
    594 	long	fcs;
    595 	long	foo;
    596 	long	fos;
    597 	long	mxcsr;
    598 	long	reserved;
    599 	long	st_space[32];	/* 8*16 bytes for each FP-reg = 128 bytes */
    600 	long	xmm_space[32];	/* 8*16 bytes for each XMM-reg = 128 bytes */
    601 	long	padding[56];
    602 };
    603 
    604 /*
    605  * This is the old layout of "struct pt_regs", and
    606  * is still the layout used by user mode (the new
    607  * pt_regs doesn't have all registers as the kernel
    608  * doesn't use the extra segment registers)
    609  */
    610 struct vki_user_regs_struct {
    611 	long ebx, ecx, edx, esi, edi, ebp, eax;
    612 	unsigned short ds, __ds, es, __es;
    613 	unsigned short fs, __fs, gs, __gs;
    614 	long orig_eax, eip;
    615 	unsigned short cs, __cs;
    616 	long eflags, esp;
    617 	unsigned short ss, __ss;
    618 };
    619 
    620 //----------------------------------------------------------------------
    621 // From linux-2.6.8.1/include/asm-i386/elf.h
    622 //----------------------------------------------------------------------
    623 
    624 typedef unsigned long vki_elf_greg_t;
    625 
    626 #define VKI_ELF_NGREG (sizeof (struct vki_user_regs_struct) / sizeof(vki_elf_greg_t))
    627 typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG];
    628 
    629 typedef struct vki_user_i387_struct vki_elf_fpregset_t;
    630 typedef struct vki_user_fxsr_struct vki_elf_fpxregset_t;
    631 
    632 #define VKI_AT_SYSINFO		32
    633 
    634 //----------------------------------------------------------------------
    635 // From linux-2.6.8.1/include/asm-i386/ucontext.h
    636 //----------------------------------------------------------------------
    637 
    638 struct vki_ucontext {
    639 	unsigned long		uc_flags;
    640 	struct vki_ucontext    *uc_link;
    641 	vki_stack_t		uc_stack;
    642 	struct vki_sigcontext	uc_mcontext;
    643 	vki_sigset_t		uc_sigmask;	/* mask last for extensibility */
    644 };
    645 
    646 //----------------------------------------------------------------------
    647 // From linux-2.6.8.1/include/asm-i386/segment.h
    648 //----------------------------------------------------------------------
    649 
    650 #define VKI_GDT_ENTRY_TLS_ENTRIES	3
    651 #define VKI_GDT_ENTRY_TLS_MIN	6
    652 #define VKI_GDT_ENTRY_TLS_MAX 	(VKI_GDT_ENTRY_TLS_MIN + VKI_GDT_ENTRY_TLS_ENTRIES - 1)
    653 
    654 //----------------------------------------------------------------------
    655 // From linux-2.6.8.1/include/asm-i386/ldt.h
    656 //----------------------------------------------------------------------
    657 
    658 /* [[Nb: This is the structure passed to the modify_ldt syscall.  Just so as
    659    to confuse and annoy everyone, this is _not_ the same as an
    660    VgLdtEntry and has to be translated into such.  The logic for doing
    661    so, in vg_ldt.c, is copied from the kernel sources.]] */
    662 struct vki_user_desc {
    663 	unsigned int  entry_number;
    664 	unsigned long base_addr;
    665 	unsigned int  limit;
    666 	unsigned int  seg_32bit:1;
    667 	unsigned int  contents:2;
    668 	unsigned int  read_exec_only:1;
    669 	unsigned int  limit_in_pages:1;
    670 	unsigned int  seg_not_present:1;
    671 	unsigned int  useable:1;
    672         // [[Nb: this field is not in the kernel sources, but it has always
    673         // been in the Valgrind sources so I will keep it there in case it's
    674         // important... this is an x86-defined data structure so who
    675         // knows;  maybe it's important to set this field to zero at some
    676         // point.  --njn]]
    677 	unsigned int  reserved:25;
    678 };
    679 
    680 // [[Nb: for our convenience within Valgrind, use a more specific name]]
    681 typedef struct vki_user_desc vki_modify_ldt_t;
    682 
    683 //----------------------------------------------------------------------
    684 // From linux-2.6.8.1/include/asm-i386/ipcbuf.h
    685 //----------------------------------------------------------------------
    686 
    687 struct vki_ipc64_perm
    688 {
    689 	__vki_kernel_key_t	key;
    690 	__vki_kernel_uid32_t	uid;
    691 	__vki_kernel_gid32_t	gid;
    692 	__vki_kernel_uid32_t	cuid;
    693 	__vki_kernel_gid32_t	cgid;
    694 	__vki_kernel_mode_t	mode;
    695 	unsigned short		__pad1;
    696 	unsigned short		seq;
    697 	unsigned short		__pad2;
    698 	unsigned long		__unused1;
    699 	unsigned long		__unused2;
    700 };
    701 
    702 //----------------------------------------------------------------------
    703 // From linux-2.6.8.1/include/asm-i386/sembuf.h
    704 //----------------------------------------------------------------------
    705 
    706 struct vki_semid64_ds {
    707 	struct vki_ipc64_perm sem_perm;		/* permissions .. see ipc.h */
    708 	__vki_kernel_time_t	sem_otime;		/* last semop time */
    709 	unsigned long	__unused1;
    710 	__vki_kernel_time_t	sem_ctime;		/* last change time */
    711 	unsigned long	__unused2;
    712 	unsigned long	sem_nsems;		/* no. of semaphores in array */
    713 	unsigned long	__unused3;
    714 	unsigned long	__unused4;
    715 };
    716 
    717 //----------------------------------------------------------------------
    718 // From linux-2.6.8.1/include/asm-i386/msgbuf.h
    719 //----------------------------------------------------------------------
    720 
    721 struct vki_msqid64_ds {
    722 	struct vki_ipc64_perm msg_perm;
    723 	__vki_kernel_time_t msg_stime;	/* last msgsnd time */
    724 	unsigned long	__unused1;
    725 	__vki_kernel_time_t msg_rtime;	/* last msgrcv time */
    726 	unsigned long	__unused2;
    727 	__vki_kernel_time_t msg_ctime;	/* last change time */
    728 	unsigned long	__unused3;
    729 	unsigned long  msg_cbytes;	/* current number of bytes on queue */
    730 	unsigned long  msg_qnum;	/* number of messages in queue */
    731 	unsigned long  msg_qbytes;	/* max number of bytes on queue */
    732 	__vki_kernel_pid_t msg_lspid;	/* pid of last msgsnd */
    733 	__vki_kernel_pid_t msg_lrpid;	/* last receive pid */
    734 	unsigned long  __unused4;
    735 	unsigned long  __unused5;
    736 };
    737 
    738 //----------------------------------------------------------------------
    739 // From linux-2.6.8.1/include/asm-i386/ipc.h
    740 //----------------------------------------------------------------------
    741 
    742 struct vki_ipc_kludge {
    743 	struct vki_msgbuf __user *msgp;
    744 	long msgtyp;
    745 };
    746 
    747 #define VKI_SEMOP		 1
    748 #define VKI_SEMGET		 2
    749 #define VKI_SEMCTL		 3
    750 #define VKI_SEMTIMEDOP	 	 4
    751 #define VKI_MSGSND		11
    752 #define VKI_MSGRCV		12
    753 #define VKI_MSGGET		13
    754 #define VKI_MSGCTL		14
    755 #define VKI_SHMAT		21
    756 #define VKI_SHMDT		22
    757 #define VKI_SHMGET		23
    758 #define VKI_SHMCTL		24
    759 
    760 
    761 //----------------------------------------------------------------------
    762 // From linux-2.6.8.1/include/asm-i386/shmbuf.h
    763 //----------------------------------------------------------------------
    764 
    765 struct vki_shmid64_ds {
    766 	struct vki_ipc64_perm	shm_perm;	/* operation perms */
    767 	vki_size_t		shm_segsz;	/* size of segment (bytes) */
    768 	__vki_kernel_time_t	shm_atime;	/* last attach time */
    769 	unsigned long		__unused1;
    770 	__vki_kernel_time_t	shm_dtime;	/* last detach time */
    771 	unsigned long		__unused2;
    772 	__vki_kernel_time_t	shm_ctime;	/* last change time */
    773 	unsigned long		__unused3;
    774 	__vki_kernel_pid_t	shm_cpid;	/* pid of creator */
    775 	__vki_kernel_pid_t	shm_lpid;	/* pid of last operator */
    776 	unsigned long		shm_nattch;	/* no. of current attaches */
    777 	unsigned long		__unused4;
    778 	unsigned long		__unused5;
    779 };
    780 
    781 struct vki_shminfo64 {
    782 	unsigned long	shmmax;
    783 	unsigned long	shmmin;
    784 	unsigned long	shmmni;
    785 	unsigned long	shmseg;
    786 	unsigned long	shmall;
    787 	unsigned long	__unused1;
    788 	unsigned long	__unused2;
    789 	unsigned long	__unused3;
    790 	unsigned long	__unused4;
    791 };
    792 
    793 //----------------------------------------------------------------------
    794 // DRM ioctls
    795 //----------------------------------------------------------------------
    796 
    797 // jrs 20050207: where did all this stuff come from?  Is it really
    798 // i386 specific, or should it go into the linux-generic category?
    799 //struct vki_drm_buf_pub {
    800 //	Int		  idx;	       /**< Index into the master buffer list */
    801 //	Int		  total;       /**< Buffer size */
    802 //	Int		  used;	       /**< Amount of buffer in use (for DMA) */
    803 //	void	  __user *address;     /**< Address of buffer */
    804 //};
    805 //
    806 //struct vki_drm_buf_map {
    807 //	Int	      count;		/**< Length of the buffer list */
    808 //	void	      __user *virtual;	/**< Mmap'd area in user-virtual */
    809 //	struct vki_drm_buf_pub __user *list;	/**< Buffer information */
    810 //};
    811 //
    812 ///* We need to pay attention to this, because it mmaps memory */
    813 //#define VKI_DRM_IOCTL_MAP_BUFS		_VKI_IOWR('d', 0x19, struct vki_drm_buf_map)
    814 
    815 //----------------------------------------------------------------------
    816 // From linux-2.6.9/include/asm-i386/ptrace.h
    817 //----------------------------------------------------------------------
    818 
    819 #define VKI_PTRACE_GETREGS            12
    820 #define VKI_PTRACE_SETREGS            13
    821 #define VKI_PTRACE_GETFPREGS          14
    822 #define VKI_PTRACE_SETFPREGS          15
    823 #define VKI_PTRACE_GETFPXREGS         18
    824 #define VKI_PTRACE_SETFPXREGS         19
    825 #define VKI_PTRACE_GET_THREAD_AREA    25
    826 #define VKI_PTRACE_SET_THREAD_AREA    26
    827 
    828 //----------------------------------------------------------------------
    829 // From linux-2.6.15.4/include/asm-i386/vm86.h
    830 //----------------------------------------------------------------------
    831 
    832 #define VKI_VM86_PLUS_INSTALL_CHECK	0
    833 #define VKI_VM86_ENTER			1
    834 #define VKI_VM86_ENTER_NO_BYPASS	2
    835 #define	VKI_VM86_REQUEST_IRQ		3
    836 #define VKI_VM86_FREE_IRQ		4
    837 #define VKI_VM86_GET_IRQ_BITS		5
    838 #define VKI_VM86_GET_AND_RESET_IRQ	6
    839 
    840 struct vki_vm86_regs {
    841 /*
    842  * normal regs, with special meaning for the segment descriptors..
    843  */
    844 	long ebx;
    845 	long ecx;
    846 	long edx;
    847 	long esi;
    848 	long edi;
    849 	long ebp;
    850 	long eax;
    851 	long __null_ds;
    852 	long __null_es;
    853 	long __null_fs;
    854 	long __null_gs;
    855 	long orig_eax;
    856 	long eip;
    857 	unsigned short cs, __csh;
    858 	long eflags;
    859 	long esp;
    860 	unsigned short ss, __ssh;
    861 /*
    862  * these are specific to v86 mode:
    863  */
    864 	unsigned short es, __esh;
    865 	unsigned short ds, __dsh;
    866 	unsigned short fs, __fsh;
    867 	unsigned short gs, __gsh;
    868 };
    869 
    870 struct vki_revectored_struct {
    871 	unsigned long __map[8];			/* 256 bits */
    872 };
    873 
    874 struct vki_vm86_struct {
    875 	struct vki_vm86_regs regs;
    876 	unsigned long flags;
    877 	unsigned long screen_bitmap;
    878 	unsigned long cpu_type;
    879 	struct vki_revectored_struct int_revectored;
    880 	struct vki_revectored_struct int21_revectored;
    881 };
    882 
    883 struct vki_vm86plus_info_struct {
    884 	unsigned long force_return_for_pic:1;
    885 	unsigned long vm86dbg_active:1;       /* for debugger */
    886 	unsigned long vm86dbg_TFpendig:1;     /* for debugger */
    887 	unsigned long unused:28;
    888 	unsigned long is_vm86pus:1;	      /* for vm86 internal use */
    889 	unsigned char vm86dbg_intxxtab[32];   /* for debugger */
    890 };
    891 
    892 struct vki_vm86plus_struct {
    893 	struct vki_vm86_regs regs;
    894 	unsigned long flags;
    895 	unsigned long screen_bitmap;
    896 	unsigned long cpu_type;
    897 	struct vki_revectored_struct int_revectored;
    898 	struct vki_revectored_struct int21_revectored;
    899 	struct vki_vm86plus_info_struct vm86plus;
    900 };
    901 
    902 //----------------------------------------------------------------------
    903 // From linux-2.6.8.1/include/asm-generic/errno.h
    904 //----------------------------------------------------------------------
    905 
    906 #define	VKI_ENOSYS       38  /* Function not implemented */
    907 #define	VKI_EOVERFLOW    75  /* Value too large for defined data type */
    908 
    909 //----------------------------------------------------------------------
    910 // From linux-3.19.0/include/uapi/asm-generic/ioctls.h
    911 //----------------------------------------------------------------------
    912 
    913 #define VKI_TIOCGSERIAL     0x541E
    914 #define VKI_TIOCSSERIAL     0x541F
    915 
    916 //----------------------------------------------------------------------
    917 // And that's it!
    918 //----------------------------------------------------------------------
    919 
    920 #endif // __VKI_X86_LINUX_H
    921 
    922 /*--------------------------------------------------------------------*/
    923 /*--- end                                                          ---*/
    924 /*--------------------------------------------------------------------*/
    925