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1 
2 /*--------------------------------------------------------------------*/
3 /*--- ARM64/Linux-specific kernel interface.     vki-arm64-linux.h ---*/
4 /*--------------------------------------------------------------------*/
5 
6 /*
7    This file is part of Valgrind, a dynamic binary instrumentation
8    framework.
9 
10    Copyright (C) 2013-2013 OpenWorks
11       info@open-works.net
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_ARM64_LINUX_H
32 #define __VKI_ARM64_LINUX_H
33 
34 // ARM64 is little-endian.
35 #define VKI_LITTLE_ENDIAN  1
36 
37 //----------------------------------------------------------------------
38 // From linux-3.9.9/include/uapi/asm-generic/int-ll64.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-3.9.9/arch/arm64/include/asm/page.h
58 //----------------------------------------------------------------------
59 
60 /* Looks like arm64 can do both 4k and 64k pages, so we
61    use the at-startup detection scheme that ppc32/64 do. */
62 extern UWord VKI_PAGE_SHIFT;
63 extern UWord VKI_PAGE_SIZE;
64 #define VKI_MAX_PAGE_SHIFT	16
65 #define VKI_MAX_PAGE_SIZE	(1UL << VKI_MAX_PAGE_SHIFT)
66 
67 //----------------------------------------------------------------------
68 // From linux-3.10.5/arch/arm64/include/asm/shmparam.h
69 //----------------------------------------------------------------------
70 
71 // Trying to make sense of this .. it seems as if, for doing
72 // shared memory with 64 bit processes, VKI_PAGE_SIZE is good
73 // enough.  But if sharing with a 32 bit process then we need
74 // the old-style 16k value (4 * VKI_PAGE_SIZE) to be safe.
75 // (From reading between the lines of arch/arm64/include/asm/shmparam.h)
76 #define VKI_SHMLBA  (4 * VKI_PAGE_SIZE)
77 
78 //----------------------------------------------------------------------
79 // From linux-3.10.5/include/uapi/asm-generic/signal.h
80 //----------------------------------------------------------------------
81 
82 #define _VKI_NSIG	64
83 #define _VKI_NSIG_BPW	64
84 #define _VKI_NSIG_WORDS	(_VKI_NSIG / _VKI_NSIG_BPW)
85 
86 typedef unsigned long vki_old_sigset_t;
87 
88 typedef struct {
89 	unsigned long sig[_VKI_NSIG_WORDS];
90 } vki_sigset_t;
91 
92 #define VKI_SIGHUP		 1
93 #define VKI_SIGINT		 2
94 #define VKI_SIGQUIT		 3
95 #define VKI_SIGILL		 4
96 #define VKI_SIGTRAP		 5
97 #define VKI_SIGABRT		 6
98 #define VKI_SIGBUS		 7
99 #define VKI_SIGFPE		 8
100 #define VKI_SIGKILL		 9
101 #define VKI_SIGUSR1		10
102 #define VKI_SIGSEGV		11
103 #define VKI_SIGUSR2		12
104 #define VKI_SIGPIPE		13
105 #define VKI_SIGALRM		14
106 #define VKI_SIGTERM		15
107 #define VKI_SIGSTKFLT		16
108 #define VKI_SIGCHLD		17
109 #define VKI_SIGCONT		18
110 #define VKI_SIGSTOP		19
111 #define VKI_SIGTSTP		20
112 #define VKI_SIGTTIN		21
113 #define VKI_SIGTTOU		22
114 #define VKI_SIGURG		23
115 #define VKI_SIGXCPU		24
116 #define VKI_SIGXFSZ		25
117 #define VKI_SIGVTALRM		26
118 #define VKI_SIGPROF		27
119 #define VKI_SIGWINCH		28
120 #define VKI_SIGIO		29
121 #define VKI_SIGPWR		30
122 #define VKI_SIGSYS		31
123 #define	VKI_SIGUNUSED		31
124 
125 #define VKI_SIGRTMIN		32
126 #define VKI_SIGRTMAX		_VKI_NSIG
127 
128 #define VKI_SA_NOCLDSTOP	0x00000001
129 #define VKI_SA_NOCLDWAIT	0x00000002
130 #define VKI_SA_SIGINFO		0x00000004
131 #define VKI_SA_ONSTACK		0x08000000
132 #define VKI_SA_RESTART		0x10000000
133 #define VKI_SA_NODEFER		0x40000000
134 #define VKI_SA_RESETHAND	0x80000000
135 
136 #define VKI_SA_NOMASK	VKI_SA_NODEFER
137 #define VKI_SA_ONESHOT	VKI_SA_RESETHAND
138 
139 // This is obsolete and should not be defined for new archs
140 #define VKI_SA_RESTORER	0x04000000
141 
142 #define VKI_SS_ONSTACK	1
143 #define VKI_SS_DISABLE	2
144 
145 #define VKI_MINSIGSTKSZ	2048
146 
147 #define VKI_SIG_BLOCK          0	/* for blocking signals */
148 #define VKI_SIG_UNBLOCK        1	/* for unblocking signals */
149 #define VKI_SIG_SETMASK        2	/* for setting the signal mask */
150 
151 typedef void __vki_signalfn_t(int);
152 typedef __vki_signalfn_t __user *__vki_sighandler_t;
153 
154 typedef void __vki_restorefn_t(void);
155 typedef __vki_restorefn_t __user *__vki_sigrestore_t;
156 
157 #define VKI_SIG_DFL	((__vki_sighandler_t)0)	/* default signal handling */
158 #define VKI_SIG_IGN	((__vki_sighandler_t)1)	/* ignore signal */
159 
160 struct vki_sigaction_base {
161         // [[Nb: a 'k' prefix is added to "sa_handler" because
162         // bits/sigaction.h (which gets dragged in somehow via signal.h)
163         // #defines it as something else.  Since that is done for glibc's
164         // purposes, which we don't care about here, we use our own name.]]
165 	__vki_sighandler_t ksa_handler;
166 	unsigned long sa_flags;
167         __vki_sigrestore_t sa_restorer; // I don't think arm64 has this
168 	vki_sigset_t sa_mask;		/* mask last for extensibility */
169 };
170 
171 /* On Linux we use the same type for passing sigactions to
172    and from the kernel.  Hence: */
173 typedef  struct vki_sigaction_base  vki_sigaction_toK_t;
174 typedef  struct vki_sigaction_base  vki_sigaction_fromK_t;
175 
176 
177 typedef struct vki_sigaltstack {
178 	void __user *ss_sp;
179 	int ss_flags;
180 	vki_size_t ss_size;
181 } vki_stack_t;
182 
183 //----------------------------------------------------------------------
184 // From linux-3.10.5/arch/arm64/include/uapi/asm/sigcontext.h
185 //----------------------------------------------------------------------
186 
187 struct vki_sigcontext {
188         __vki_u64 fault_address;
189         /* AArch64 registers */
190         __vki_u64 regs[31];
191         __vki_u64 sp;
192         __vki_u64 pc;
193         __vki_u64 pstate;
194         /* 4K reserved for FP/SIMD state and future expansion */
195         __vki_u8 __reserved[4096] __attribute__((__aligned__(16)));
196 };
197 
198 //----------------------------------------------------------------------
199 // From linux-3.10.5/uapi/include/asm-generic/mman-common.h
200 //----------------------------------------------------------------------
201 
202 #define VKI_PROT_READ	0x1		/* page can be read */
203 #define VKI_PROT_WRITE	0x2		/* page can be written */
204 #define VKI_PROT_EXEC	0x4		/* page can be executed */
205 #define VKI_PROT_NONE	0x0		/* page can not be accessed */
206 #define VKI_PROT_GROWSDOWN	0x01000000	/* mprotect flag: extend change to start of growsdown vma */
207 #define VKI_PROT_GROWSUP	0x02000000	/* mprotect flag: extend change to end of growsup vma */
208 
209 #define VKI_MAP_SHARED	0x01		/* Share changes */
210 #define VKI_MAP_PRIVATE	0x02		/* Changes are private */
211 #define VKI_MAP_FIXED	0x10		/* Interpret addr exactly */
212 #define VKI_MAP_ANONYMOUS	0x20	/* don't use a file */
213 #define VKI_MAP_NORESERVE       0x4000  /* don't check for reservations */
214 
215 //----------------------------------------------------------------------
216 // From linux-3.10.5/uapi/include/asm-generic/fcntl.h
217 //----------------------------------------------------------------------
218 
219 #define VKI_O_ACCMODE	     03
220 #define VKI_O_RDONLY	     00
221 #define VKI_O_WRONLY	     01
222 #define VKI_O_RDWR	     02
223 #define VKI_O_CREAT	   0100	/* not fcntl */
224 #define VKI_O_EXCL	   0200	/* not fcntl */
225 #define VKI_O_TRUNC	  01000	/* not fcntl */
226 #define VKI_O_APPEND	  02000
227 #define VKI_O_NONBLOCK	  04000
228 #define VKI_O_LARGEFILE	0100000
229 
230 #define VKI_AT_FDCWD            -100
231 
232 #define VKI_F_DUPFD		0	/* dup */
233 #define VKI_F_GETFD		1	/* get close_on_exec */
234 #define VKI_F_SETFD		2	/* set/clear close_on_exec */
235 #define VKI_F_GETFL		3	/* get file->f_flags */
236 #define VKI_F_SETFL		4	/* set file->f_flags */
237 #define VKI_F_GETLK		5
238 #define VKI_F_SETLK		6
239 #define VKI_F_SETLKW		7
240 
241 #define VKI_F_SETOWN		8	/*  for sockets. */
242 #define VKI_F_GETOWN		9	/*  for sockets. */
243 #define VKI_F_SETSIG		10	/*  for sockets. */
244 #define VKI_F_GETSIG		11	/*  for sockets. */
245 
246 #define VKI_F_SETOWN_EX		15
247 #define VKI_F_GETOWN_EX		16
248 
249 #define VKI_F_OWNER_TID		0
250 #define VKI_F_OWNER_PID		1
251 #define VKI_F_OWNER_PGRP	2
252 
253 struct vki_f_owner_ex {
254 	int	type;
255 	__vki_kernel_pid_t	pid;
256 };
257 
258 #define VKI_FD_CLOEXEC	1	/* actually anything with low bit set goes */
259 
260 #define VKI_F_LINUX_SPECIFIC_BASE	1024
261 
262 //----------------------------------------------------------------------
263 // From linux-3.10.5/include/uapi/asm-generic/resource.h
264 //----------------------------------------------------------------------
265 
266 #define VKI_RLIMIT_DATA		2	/* max data size */
267 #define VKI_RLIMIT_STACK	3	/* max stack size */
268 #define VKI_RLIMIT_CORE		4	/* max core file size */
269 #define VKI_RLIMIT_NOFILE	7	/* max number of open files */
270 
271 //----------------------------------------------------------------------
272 // From linux-3.10.5/include/uapi/asm-generic/socket.h
273 //----------------------------------------------------------------------
274 
275 #define VKI_SOL_SOCKET	1
276 
277 #define VKI_SO_TYPE	3
278 
279 #define VKI_SO_ATTACH_FILTER	26
280 
281 //----------------------------------------------------------------------
282 // From linux-3.10.5/include/uapi/asm-generic/sockios.h
283 //----------------------------------------------------------------------
284 
285 #define VKI_SIOCSPGRP		0x8902
286 #define VKI_SIOCGPGRP		0x8904
287 #define VKI_SIOCGSTAMP		0x8906		/* Get stamp (timeval) */
288 #define VKI_SIOCGSTAMPNS	0x8907		/* Get stamp (timespec) */
289 
290 //----------------------------------------------------------------------
291 // From linux-3.10.5/include/uapi/asm-generic/stat.h
292 //----------------------------------------------------------------------
293 
294 struct vki_stat {
295         unsigned long   st_dev;
296         unsigned long   st_ino;
297         unsigned int    st_mode;
298         unsigned int    st_nlink;
299         unsigned int    st_uid;
300         unsigned int    st_gid;
301         unsigned long   st_rdev;
302         unsigned long   __pad1;
303         long            st_size;
304         int             st_blksize;
305         int             __pad2;
306         long            st_blocks;
307         long            st_atime;
308         unsigned long   st_atime_nsec;
309         long            st_mtime;
310         unsigned long   st_mtime_nsec;
311         long            st_ctime;
312         unsigned long   st_ctime_nsec;
313         unsigned int    __unused4;
314         unsigned int    __unused5;
315 };
316 
317 //----------------------------------------------------------------------
318 // From linux-3.10.5/include/uapi/asm-generic/statfs.h
319 //----------------------------------------------------------------------
320 
321 struct vki_statfs {
322 	long f_type;
323 	long f_bsize;
324 	long f_blocks;
325 	long f_bfree;
326 	long f_bavail;
327 	long f_files;
328 	long f_ffree;
329 	__vki_kernel_fsid_t f_fsid;
330 	long f_namelen;
331 	long f_frsize;
332 	long f_flags;
333 	long f_spare[4];
334 };
335 
336 //----------------------------------------------------------------------
337 // From linux-3.10.5/include/uapi/asm-generic/termios.h
338 //----------------------------------------------------------------------
339 
340 struct vki_winsize {
341 	unsigned short ws_row;
342 	unsigned short ws_col;
343 	unsigned short ws_xpixel;
344 	unsigned short ws_ypixel;
345 };
346 
347 #define VKI_NCC 8
348 struct vki_termio {
349 	unsigned short c_iflag;		/* input mode flags */
350 	unsigned short c_oflag;		/* output mode flags */
351 	unsigned short c_cflag;		/* control mode flags */
352 	unsigned short c_lflag;		/* local mode flags */
353 	unsigned char c_line;		/* line discipline */
354 	unsigned char c_cc[VKI_NCC];	/* control characters */
355 };
356 
357 //----------------------------------------------------------------------
358 // From linux-3.10.5/include/uapi/asm-generic/termbits.h
359 //----------------------------------------------------------------------
360 
361 typedef unsigned char	vki_cc_t;
362 typedef unsigned int	vki_tcflag_t;
363 
364 #define VKI_NCCS 19
365 struct vki_termios {
366 	vki_tcflag_t c_iflag;		/* input mode flags */
367 	vki_tcflag_t c_oflag;		/* output mode flags */
368 	vki_tcflag_t c_cflag;		/* control mode flags */
369 	vki_tcflag_t c_lflag;		/* local mode flags */
370 	vki_cc_t c_line;		/* line discipline */
371 	vki_cc_t c_cc[VKI_NCCS];	/* control characters */
372 };
373 
374 //----------------------------------------------------------------------
375 // From linux-3.9.9/include/uapi/asm-generic/ioctl.h
376 //----------------------------------------------------------------------
377 
378 #define _VKI_IOC_NRBITS		8
379 #define _VKI_IOC_TYPEBITS	8
380 #define _VKI_IOC_SIZEBITS	14
381 #define _VKI_IOC_DIRBITS	2
382 
383 #define _VKI_IOC_SIZEMASK	((1 << _VKI_IOC_SIZEBITS)-1)
384 #define _VKI_IOC_DIRMASK	((1 << _VKI_IOC_DIRBITS)-1)
385 
386 #define _VKI_IOC_NRSHIFT	0
387 #define _VKI_IOC_TYPESHIFT	(_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS)
388 #define _VKI_IOC_SIZESHIFT	(_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS)
389 #define _VKI_IOC_DIRSHIFT	(_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS)
390 
391 #define _VKI_IOC_NONE	0U
392 #define _VKI_IOC_WRITE	1U
393 #define _VKI_IOC_READ	2U
394 
395 #define _VKI_IOC(dir,type,nr,size) \
396 	(((dir)  << _VKI_IOC_DIRSHIFT) | \
397 	 ((type) << _VKI_IOC_TYPESHIFT) | \
398 	 ((nr)   << _VKI_IOC_NRSHIFT) | \
399 	 ((size) << _VKI_IOC_SIZESHIFT))
400 
401 #define _VKI_IO(type,nr)	_VKI_IOC(_VKI_IOC_NONE,(type),(nr),0)
402 #define _VKI_IOR(type,nr,size)	_VKI_IOC(_VKI_IOC_READ,(type),(nr),sizeof(size))
403 #define _VKI_IOW(type,nr,size)	_VKI_IOC(_VKI_IOC_WRITE,(type),(nr),sizeof(size))
404 #define _VKI_IOWR(type,nr,size)	_VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),sizeof(size))
405 
406 #define _VKI_IOC_DIR(nr)		(((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK)
407 #define _VKI_IOC_SIZE(nr)		(((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK)
408 
409 //----------------------------------------------------------------------
410 // From linux-3.10.5/include/uapi/asm-generic/ioctls.h
411 //----------------------------------------------------------------------
412 
413 #define VKI_TCGETS	0x5401
414 #define VKI_TCSETS	0x5402
415 #define VKI_TCSETSW	0x5403
416 #define VKI_TCSETSF	0x5404
417 #define VKI_TCGETA	0x5405
418 #define VKI_TCSETA	0x5406
419 #define VKI_TCSETAW	0x5407
420 #define VKI_TCSETAF	0x5408
421 #define VKI_TCSBRK	0x5409
422 #define VKI_TCXONC	0x540A
423 #define VKI_TCFLSH	0x540B
424 #define VKI_TIOCSCTTY	0x540E
425 #define VKI_TIOCGPGRP	0x540F
426 #define VKI_TIOCSPGRP	0x5410
427 #define VKI_TIOCOUTQ	0x5411
428 #define VKI_TIOCGWINSZ	0x5413
429 #define VKI_TIOCSWINSZ	0x5414
430 #define VKI_TIOCMGET	0x5415
431 #define VKI_TIOCMBIS	0x5416
432 #define VKI_TIOCMBIC	0x5417
433 #define VKI_TIOCMSET	0x5418
434 #define VKI_FIONREAD	0x541B
435 #define VKI_TIOCLINUX	0x541C
436 #define VKI_FIONBIO	0x5421
437 #define VKI_TCSBRKP	0x5425
438 #define VKI_TIOCGPTN	_VKI_IOR('T',0x30, unsigned int)
439 #define VKI_TIOCSPTLCK	_VKI_IOW('T',0x31, int)
440 
441 #define VKI_FIONCLEX    0x5450
442 #define VKI_FIOCLEX     0x5451
443 #define VKI_FIOASYNC	0x5452
444 #define VKI_TIOCSERGETLSR   0x5459
445 
446 #define VKI_TIOCGICOUNT	0x545D
447 
448 //----------------------------------------------------------------------
449 // From linux-3.9.9/include/uapi/asm-generic/poll.h
450 //----------------------------------------------------------------------
451 
452 #define VKI_POLLIN		0x0001
453 
454 struct vki_pollfd {
455 	int fd;
456 	short events;
457 	short revents;
458 };
459 
460 //----------------------------------------------------------------------
461 // From linux-3.10.5/arch/arm64/include/uapi/asm/ptrace.h
462 //----------------------------------------------------------------------
463 
464 //ZZ struct vki_user_i387_struct {
465 //ZZ 	unsigned short	cwd;
466 //ZZ 	unsigned short	swd;
467 //ZZ 	unsigned short	twd; /* Note this is not the same as the 32bit/x87/FSAVE twd */
468 //ZZ 	unsigned short	fop;
469 //ZZ 	__vki_u64	rip;
470 //ZZ 	__vki_u64	rdp;
471 //ZZ 	__vki_u32	mxcsr;
472 //ZZ 	__vki_u32	mxcsr_mask;
473 //ZZ 	__vki_u32	st_space[32];	/* 8*16 bytes for each FP-reg = 128 bytes */
474 //ZZ 	__vki_u32	xmm_space[64];	/* 16*16 bytes for each XMM-reg = 256 bytes */
475 //ZZ 	__vki_u32	padding[24];
476 //ZZ };
477 //ZZ
478 //ZZ struct vki_user_regs_struct {
479 //ZZ 	unsigned long r15,r14,r13,r12,rbp,rbx,r11,r10;
480 //ZZ 	unsigned long r9,r8,rax,rcx,rdx,rsi,rdi,orig_rax;
481 //ZZ 	unsigned long rip,cs,eflags;
482 //ZZ 	unsigned long rsp,ss;
483 //ZZ   	unsigned long fs_base, gs_base;
484 //ZZ 	unsigned long ds,es,fs,gs;
485 //ZZ };
486 
487 struct vki_user_pt_regs {
488         __vki_u64           regs[31];
489         __vki_u64           sp;
490         __vki_u64           pc;
491         __vki_u64           pstate;
492 };
493 
494 /* I think that the new name in the kernel for these is "user_pt_regs"
495    and the old name is "user_regs_struct".  Unfortunately can't clone
496    a 'struct' type using 'typedef' and still have a 'struct' type, so
497    use a blunter instrument instead. */
498 #define vki_user_regs_struct vki_user_pt_regs
499 
500 struct vki_user_fpsimd_state {
501         __uint128_t     vregs[32];
502         __vki_u32           fpsr;
503         __vki_u32           fpcr;
504 };
505 
506 //----------------------------------------------------------------------
507 // From linux-3.9.9/arch/arm64/include/asm/elf.h
508 //----------------------------------------------------------------------
509 
510 typedef unsigned long vki_elf_greg_t;
511 
512 #define VKI_ELF_NGREG (sizeof (struct vki_user_pt_regs) / sizeof(vki_elf_greg_t))
513 typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG];
514 
515 typedef struct vki_user_fpsimd_state vki_elf_fpregset_t;
516 
517 //----------------------------------------------------------------------
518 // From linux-3.10.5/arch/arm64/include/asm/ucontext.h
519 //----------------------------------------------------------------------
520 
521 struct vki_ucontext {
522         unsigned long           uc_flags;
523         struct vki_ucontext    *uc_link;
524         vki_stack_t             uc_stack;
525         vki_sigset_t            uc_sigmask;
526         /* glibc uses a 1024-bit sigset_t */
527         __vki_u8                __unused[1024 / 8 - sizeof(vki_sigset_t)];
528         /* last for future expansion */
529         struct vki_sigcontext   uc_mcontext;
530 };
531 
532 //ZZ //----------------------------------------------------------------------
533 //ZZ // From linux-2.6.9/include/asm-x86_64/segment.h
534 //ZZ //----------------------------------------------------------------------
535 //ZZ
536 //ZZ #define VKI_GDT_ENTRY_TLS_ENTRIES 3
537 //ZZ
538 //ZZ #define VKI_GDT_ENTRY_TLS_MIN 11
539 //ZZ #define VKI_GDT_ENTRY_TLS_MAX 13
540 //ZZ
541 //ZZ //----------------------------------------------------------------------
542 //ZZ // From linux-2.6.11.9/include/asm-x86_64/prctl.h
543 //ZZ //----------------------------------------------------------------------
544 //ZZ
545 //ZZ #define VKI_ARCH_SET_GS 0x1001
546 //ZZ #define VKI_ARCH_SET_FS 0x1002
547 //ZZ #define VKI_ARCH_GET_FS 0x1003
548 //ZZ #define VKI_ARCH_GET_GS 0x1004
549 //ZZ
550 //ZZ //----------------------------------------------------------------------
551 //ZZ // From linux-2.6.9/include/asm-x86_64/ldt.h
552 //ZZ //----------------------------------------------------------------------
553 //ZZ
554 //ZZ // I think this LDT stuff will have to be reinstated for amd64, but I'm not
555 //ZZ // certain.  (Nb: The sys_arch_prctl seems to have replaced
556 //ZZ // [gs]et_thread_area syscalls.)
557 //ZZ //
558 //ZZ // Note that the type here is very slightly different to the
559 //ZZ // type for x86 (the final 'lm' field is added);  I'm not sure about the
560 //ZZ // significance of that... --njn
561 //ZZ
562 //ZZ /* [[Nb: This is the structure passed to the modify_ldt syscall.  Just so as
563 //ZZ    to confuse and annoy everyone, this is _not_ the same as an
564 //ZZ    VgLdtEntry and has to be translated into such.  The logic for doing
565 //ZZ    so, in vg_ldt.c, is copied from the kernel sources.]] */
566 //ZZ /* Note also that a comment in ldt.h indicates that the below
567 //ZZ    contains several fields ignored on 64bit, and that modify_ldt
568 //ZZ    is rather for 32bit. */
569 //ZZ struct vki_user_desc {
570 //ZZ 	unsigned int  entry_number;
571 //ZZ 	unsigned long base_addr;
572 //ZZ 	unsigned int  limit;
573 //ZZ 	unsigned int  seg_32bit:1;
574 //ZZ 	unsigned int  contents:2;
575 //ZZ 	unsigned int  read_exec_only:1;
576 //ZZ 	unsigned int  limit_in_pages:1;
577 //ZZ 	unsigned int  seg_not_present:1;
578 //ZZ 	unsigned int  useable:1;
579 //ZZ         unsigned int  lm:1;
580 //ZZ };
581 //ZZ
582 //ZZ // [[Nb: for our convenience within Valgrind, use a more specific name]]
583 //ZZ typedef struct vki_user_desc vki_modify_ldt_t;
584 
585 //----------------------------------------------------------------------
586 // From linux-3.10.5/include/asm-generic/ipcbuf.h
587 //----------------------------------------------------------------------
588 
589 struct vki_ipc64_perm
590 {
591 	__vki_kernel_key_t	key;
592 	__vki_kernel_uid32_t	uid;
593 	__vki_kernel_gid32_t	gid;
594 	__vki_kernel_uid32_t	cuid;
595 	__vki_kernel_gid32_t	cgid;
596 	__vki_kernel_mode_t	mode;
597         unsigned char           __pad1[4 - sizeof(__vki_kernel_mode_t)];
598 	unsigned short		seq;
599 	unsigned short		__pad2;
600 	unsigned long		__unused1;
601 	unsigned long		__unused2;
602 };
603 
604 //----------------------------------------------------------------------
605 // From linux-3.10.5/include/uapi/asm-generic/sembuf.h
606 //----------------------------------------------------------------------
607 
608 struct vki_semid64_ds {
609 	struct vki_ipc64_perm sem_perm;		/* permissions .. see ipc.h */
610 	__vki_kernel_time_t	sem_otime;		/* last semop time */
611 	__vki_kernel_time_t	sem_ctime;		/* last change time */
612 	unsigned long	sem_nsems;		/* no. of semaphores in array */
613 	unsigned long	__unused3;
614 	unsigned long	__unused4;
615 };
616 
617 //----------------------------------------------------------------------
618 // From linux-3.10.5/include/uapi/asm-generic/msgbuf.h
619 //----------------------------------------------------------------------
620 
621 struct vki_msqid64_ds {
622 	struct vki_ipc64_perm msg_perm;
623 	__vki_kernel_time_t msg_stime;	/* last msgsnd time */
624 	__vki_kernel_time_t msg_rtime;	/* last msgrcv time */
625 	__vki_kernel_time_t msg_ctime;	/* last change time */
626 	unsigned long  msg_cbytes;	/* current number of bytes on queue */
627 	unsigned long  msg_qnum;	/* number of messages in queue */
628 	unsigned long  msg_qbytes;	/* max number of bytes on queue */
629 	__vki_kernel_pid_t msg_lspid;	/* pid of last msgsnd */
630 	__vki_kernel_pid_t msg_lrpid;	/* last receive pid */
631 	unsigned long  __unused4;
632 	unsigned long  __unused5;
633 };
634 
635 //----------------------------------------------------------------------
636 // From linux-3.10.5/include/uapi/asm-generic/shmbuf.h
637 //----------------------------------------------------------------------
638 
639 struct vki_shmid64_ds {
640 	struct vki_ipc64_perm	shm_perm;	/* operation perms */
641 	vki_size_t		shm_segsz;	/* size of segment (bytes) */
642 	__vki_kernel_time_t	shm_atime;	/* last attach time */
643 	__vki_kernel_time_t	shm_dtime;	/* last detach time */
644 	__vki_kernel_time_t	shm_ctime;	/* last change time */
645 	__vki_kernel_pid_t	shm_cpid;	/* pid of creator */
646 	__vki_kernel_pid_t	shm_lpid;	/* pid of last operator */
647 	unsigned long		shm_nattch;	/* no. of current attaches */
648 	unsigned long		__unused4;
649 	unsigned long		__unused5;
650 };
651 
652 struct vki_shminfo64 {
653 	unsigned long	shmmax;
654 	unsigned long	shmmin;
655 	unsigned long	shmmni;
656 	unsigned long	shmseg;
657 	unsigned long	shmall;
658 	unsigned long	__unused1;
659 	unsigned long	__unused2;
660 	unsigned long	__unused3;
661 	unsigned long	__unused4;
662 };
663 
664 //----------------------------------------------------------------------
665 // From linux-3.9.9/arch/arm64/include/asm/ptrace.h
666 //----------------------------------------------------------------------
667 
668 #define VKI_PTRACE_GETREGS            12
669 #define VKI_PTRACE_SETREGS            13
670 //#define VKI_PTRACE_GETFPREGS          14
671 //#define VKI_PTRACE_SETFPREGS          15
672 #define VKI_PTRACE_GET_THREAD_AREA   22
673 #define VKI_PTRACE_SET_SYSCALL   23
674 #define VKI_PTRACE_GETVFPREGS    27
675 #define VKI_PTRACE_SETVFPREGS    28
676 #define VKI_PTRACE_GETHBPREGS    29
677 #define VKI_PTRACE_SETHBPREGS    30
678 
679 
680 //----------------------------------------------------------------------
681 // From linux-2.6.8.1/include/asm-generic/errno.h
682 //----------------------------------------------------------------------
683 
684 #define	VKI_ENOSYS       38  /* Function not implemented */
685 #define	VKI_EOVERFLOW    75  /* Value too large for defined data type */
686 
687 //----------------------------------------------------------------------
688 // And that's it!
689 //----------------------------------------------------------------------
690 
691 #endif // __VKI_ARM64_LINUX_H
692 
693 /*--------------------------------------------------------------------*/
694 /*--- end                                                          ---*/
695 /*--------------------------------------------------------------------*/
696