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1 /*
2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  *	$Id: defs.h,v 1.59 2005/06/08 20:45:28 roland Exp $
30  */
31 
32 #ifdef HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35 
36 #ifdef linux
37 #include <features.h>
38 #endif
39 
40 #ifdef _LARGEFILE64_SOURCE
41 /* This is the macro everything checks before using foo64 names.  */
42 # ifndef _LFS64_LARGEFILE
43 #  define _LFS64_LARGEFILE 1
44 # endif
45 #endif
46 
47 /* configuration section */
48 #ifndef MAX_QUALS
49 #if defined(LINUX) && defined(MIPS)
50 #define MAX_QUALS	5000	/* maximum number of syscalls, signals, etc. */
51 #else
52 #define MAX_QUALS	2048	/* maximum number of syscalls, signals, etc. */
53 #endif
54 #endif
55 #ifndef DEFAULT_STRLEN
56 #define DEFAULT_STRLEN	32	/* default maximum # of bytes printed in
57 				  `printstr', change with `-s' switch */
58 #endif
59 #ifndef DEFAULT_ACOLUMN
60 #define DEFAULT_ACOLUMN	40	/* default alignment column for results */
61 #endif
62 #ifndef MAX_ARGS
63 #define MAX_ARGS	32	/* maximum number of args to a syscall */
64 #endif
65 #ifndef DEFAULT_SORTBY
66 #define DEFAULT_SORTBY "time"	/* default sorting method for call profiling */
67 #endif
68 
69 #include <sys/types.h>
70 #include <unistd.h>
71 #include <stdlib.h>
72 #include <stdio.h>
73 #include <ctype.h>
74 #include <string.h>
75 #include <time.h>
76 #include <sys/time.h>
77 #include <errno.h>
78 
79 #ifdef STDC_HEADERS
80 #include <stddef.h>
81 #endif /* STDC_HEADERS */
82 
83 #ifdef HAVE_SIGINFO_T
84 #include <signal.h>
85 #endif
86 
87 #if defined(LINUX)
88 #  if defined(SPARC) || defined(SPARC64)
89 #     define LINUXSPARC
90 #  endif
91 #  if defined(ALPHA)
92 #     define LINUX_64BIT
93 #  endif
94 #  if defined(X86_64)
95 #     define LINUX_X86_64
96 #  endif
97 #endif
98 
99 #if defined(SVR4) || defined(FREEBSD)
100 #define USE_PROCFS
101 #else
102 #undef USE_PROCFS
103 #endif
104 
105 #ifdef FREEBSD
106 #ifndef I386
107 #error "FreeBSD support is only for i386 arch right now."
108 #endif
109 #include <machine/psl.h>
110 #include <machine/reg.h>
111 #include <sys/syscall.h>
112 #endif
113 
114 #ifdef USE_PROCFS
115 #include <sys/procfs.h>
116 #ifdef HAVE_MP_PROCFS
117 #include <sys/uio.h>
118 #endif
119 #ifdef FREEBSD
120 #include <sys/pioctl.h>
121 #endif /* FREEBSD */
122 #else /* !USE_PROCFS */
123 #if (defined(LINUXSPARC) || defined (LINUX_X86_64)) && defined(__GLIBC__)
124 #include <sys/ptrace.h>
125 #else
126 /* Work around awkward prototype in ptrace.h. */
127 #define ptrace xptrace
128 #include <sys/ptrace.h>
129 #undef ptrace
130 #ifdef POWERPC
131 #define __KERNEL__
132 #include <asm/ptrace.h>
133 #undef __KERNEL__
134 #endif
135 #ifdef __STDC__
136 #ifdef LINUX
137 extern long ptrace(int, int, char *, long);
138 #else /* !LINUX */
139 extern int ptrace(int, int, char *, int, ...);
140 #endif /* !LINUX */
141 #else /* !__STDC__ */
142 extern int ptrace();
143 #endif /* !__STDC__ */
144 #endif /* !LINUXSPARC */
145 #endif /* !SVR4 */
146 
147 #ifdef LINUX
148 #if !defined(__GLIBC__)
149 #define	PTRACE_PEEKUSER	PTRACE_PEEKUSR
150 #define	PTRACE_POKEUSER	PTRACE_POKEUSR
151 #endif
152 #ifdef ALPHA
153 #  define REG_R0 0
154 #  define REG_A0 16
155 #  define REG_A3 19
156 #  define REG_FP 30
157 #  define REG_PC 64
158 #endif /* ALPHA */
159 #ifdef MIPS
160 #  define REG_V0 2
161 #  define REG_A0 4
162 #  define REG_A3 7
163 #  define REG_SP 29
164 #  define REG_EPC 64
165 #endif /* MIPS */
166 #ifdef HPPA
167 #  define PT_GR20 (20*4)
168 #  define PT_GR26 (26*4)
169 #  define PT_GR28 (28*4)
170 #  define PT_IAOQ0 (106*4)
171 #  define PT_IAOQ1 (107*4)
172 #endif /* HPPA */
173 #ifdef SH64
174    /* SH64 Linux - this code assumes the following kernel API for system calls:
175           PC           Offset 0
176           System Call  Offset 16 (actually, (syscall no.) | (0x1n << 16),
177                        where n = no. of parameters.
178           Other regs   Offset 24+
179 
180           On entry:    R2-7 = parameters 1-6 (as many as necessary)
181           On return:   R9   = result. */
182 
183    /* Offset for peeks of registers */
184 #  define REG_OFFSET         (24)
185 #  define REG_GENERAL(x)     (8*(x)+REG_OFFSET)
186 #  define REG_PC             (0*8)
187 #  define REG_SYSCALL        (2*8)
188 #endif /* SH64 */
189 #endif /* LINUX */
190 
191 #define SUPPORTED_PERSONALITIES 1
192 #define DEFAULT_PERSONALITY 0
193 
194 #ifdef LINUXSPARC
195 #include <linux/a.out.h>
196 #include <asm/psr.h>
197 #undef  SUPPORTED_PERSONALITIES
198 #if defined(SPARC64)
199 #define SUPPORTED_PERSONALITIES 3
200 #else
201 #define SUPPORTED_PERSONALITIES 2
202 #endif /* SPARC64 */
203 #endif /* LINUXSPARC */
204 
205 #ifdef X86_64
206 #undef SUPPORTED_PERSONALITIES
207 #define SUPPORTED_PERSONALITIES 2
208 #endif
209 
210 #ifdef SVR4
211 #ifdef HAVE_MP_PROCFS
212 extern int mp_ioctl (int f, int c, void *a, int s);
213 #define IOCTL(f,c,a)	mp_ioctl (f, c, a, sizeof *a)
214 #define IOCTL_STATUS(t) \
215 	 pread (t->pfd_stat, &t->status, sizeof t->status, 0)
216 #define IOCTL_WSTOP(t)						\
217 	(IOCTL (t->pfd, PCWSTOP, (char *)NULL) < 0 ? -1 :		\
218 	 IOCTL_STATUS (t))
219 #define PR_WHY		pr_lwp.pr_why
220 #define PR_WHAT		pr_lwp.pr_what
221 #define PR_REG		pr_lwp.pr_context.uc_mcontext.gregs
222 #define PR_FLAGS	pr_lwp.pr_flags
223 #define PR_SYSCALL	pr_lwp.pr_syscall
224 #define PR_INFO		pr_lwp.pr_info
225 #define PIOCSTIP	PCSTOP
226 #define PIOCSET		PCSET
227 #define PIOCRESET	PCRESET
228 #define PIOCSTRACE	PCSTRACE
229 #define PIOCSFAULT	PCSFAULT
230 #define PIOCWSTOP	PCWSTOP
231 #define PIOCSTOP	PCSTOP
232 #define PIOCSENTRY	PCSENTRY
233 #define PIOCSEXIT	PCSEXIT
234 #define PIOCRUN		PCRUN
235 #else
236 #define IOCTL		ioctl
237 #define IOCTL_STATUS(t)	ioctl (t->pfd, PIOCSTATUS, &t->status)
238 #define IOCTL_WSTOP(t)	ioctl (t->pfd, PIOCWSTOP, &t->status)
239 #define PR_WHY		pr_why
240 #define PR_WHAT		pr_what
241 #define PR_REG		pr_reg
242 #define PR_FLAGS	pr_flags
243 #define PR_SYSCALL	pr_syscall
244 #define PR_INFO		pr_info
245 #endif
246 #endif
247 #ifdef FREEBSD
248 #define IOCTL		ioctl
249 #define IOCTL_STATUS(t)	ioctl (t->pfd, PIOCSTATUS, &t->status)
250 #define IOCTL_WSTOP(t)	ioctl (t->pfd, PIOCWAIT, &t->status)
251 #define PIOCRUN         PIOCCONT
252 #define PIOCWSTOP       PIOCWAIT
253 #define PR_WHY		why
254 #define PR_WHAT		val
255 #define PR_FLAGS	state
256 /* from /usr/src/sys/miscfs/procfs/procfs_vnops.c,
257    status.state = 0 for running, 1 for stopped */
258 #define PR_ASLEEP	1
259 #define PR_SYSENTRY     S_SCE
260 #define PR_SYSEXIT      S_SCX
261 #define PR_SIGNALLED    S_SIG
262 #define PR_FAULTED      S_CORE
263 #endif
264 
265 /* Trace Control Block */
266 struct tcb {
267 	short flags;		/* See below for TCB_ values */
268 	int pid;		/* Process Id of this entry */
269 	long scno;		/* System call number */
270 	int u_nargs;		/* System call arguments */
271 	long u_arg[MAX_ARGS];	/* System call arguments */
272 	int u_error;		/* Error code */
273 	long u_rval;		/* (first) return value */
274 #ifdef HAVE_LONG_LONG
275 	long long u_lrval;	/* long long return value */
276 #endif
277 	FILE *outf;		/* Output file for this process */
278 	const char *auxstr;	/* Auxiliary info from syscall (see RVAL_STR) */
279 	struct timeval stime;	/* System time usage as of last process wait */
280 	struct timeval dtime;	/* Delta for system time usage */
281 	struct timeval etime;	/* Syscall entry time */
282 				/* Support for tracing forked processes */
283 	struct tcb *parent;	/* Parent of this process */
284 	int nchildren;		/* # of traced children */
285 	int waitpid;		/* pid(s) this process is waiting for */
286 	int nzombies;		/* # of formerly traced children now dead */
287 #ifdef LINUX
288 	int nclone_threads;	/* # of nchildren with CLONE_THREAD */
289 	int nclone_detached;	/* # of nchildren with CLONE_DETACHED */
290 	int nclone_waiting;	/* clone threads in wait4 (TCB_SUSPENDED) */
291 #endif
292 				/* (1st arg of wait4()) */
293 	long baddr;		/* `Breakpoint' address */
294 	long inst[2];		/* Instructions on above */
295 	int pfd;		/* proc file descriptor */
296 #ifdef SVR4
297 #ifdef HAVE_MP_PROCFS
298 	int pfd_stat;
299 	int pfd_as;
300 	pstatus_t status;
301 #else
302 	prstatus_t status;	/* procfs status structure */
303 #endif
304 #endif
305 #ifdef FREEBSD
306 	struct procfs_status status;
307 	int pfd_reg;
308 	int pfd_status;
309 #endif
310 };
311 
312 /* TCB flags */
313 #define TCB_STARTUP	00001	/* We have just begun ptracing this process */
314 #define TCB_INUSE	00002	/* This table entry is in use */
315 #define TCB_INSYSCALL	00004	/* A system call is in progress */
316 #define TCB_ATTACHED	00010	/* Process is not our own child */
317 #define TCB_EXITING	00020	/* As far as we know, this process is exiting */
318 #define TCB_SUSPENDED	00040	/* Process has done a wait(4), that can
319 				   not be allowed to complete just now */
320 #define TCB_BPTSET	00100	/* "Breakpoint" set after fork(2) */
321 #define TCB_SIGTRAPPED	00200	/* Process wanted to block SIGTRAP */
322 #define TCB_FOLLOWFORK	00400	/* Process should have forks followed */
323 #define TCB_REPRINT	01000	/* We should reprint this syscall on exit */
324 #ifdef LINUX
325 # if defined(ALPHA) || defined(SPARC) || defined(SPARC64) || defined(POWERPC) || defined(IA64) || defined(HPPA) || defined(SH) || defined(SH64) || defined(S390) || defined(S390X) || defined(ARM)
326 #  define TCB_WAITEXECVE 02000	/* ignore SIGTRAP after exceve */
327 # endif
328 # define TCB_CLONE_DETACHED 04000 /* CLONE_DETACHED set in creating syscall */
329 # define TCB_CLONE_THREAD  010000 /* CLONE_THREAD set in creating syscall */
330 # define TCB_GROUP_EXITING 020000 /* TCB_EXITING was exit_group, not _exit */
331 # include <sys/syscall.h>
332 # ifndef __NR_exit_group
333 # /* Hack: Most headers around are too old to have __NR_exit_group.  */
334 #  ifdef ALPHA
335 #   define __NR_exit_group 405
336 #  elif defined I386
337 #   define __NR_exit_group 252
338 #  elif defined IA64
339 #   define __NR_exit_group 1236
340 #  elif defined POWERPC
341 #   define __NR_exit_group 234
342 #  elif defined S390 || defined S390X
343 #   define __NR_exit_group 248
344 #  elif defined SPARC || defined SPARC64
345 #   define __NR_exit_group 188
346 #  endif /* ALPHA et al */
347 # endif	/* !__NR_exit_group */
348 #endif /* LINUX */
349 
350 /* qualifier flags */
351 #define QUAL_TRACE	0001	/* this system call should be traced */
352 #define QUAL_ABBREV	0002	/* abbreviate the structures of this syscall */
353 #define QUAL_VERBOSE	0004	/* decode the structures of this syscall */
354 #define QUAL_RAW	0010	/* print all args in hex for this syscall */
355 #define QUAL_SIGNAL	0020	/* report events with this signal */
356 #define QUAL_FAULT	0040	/* report events with this fault */
357 #define QUAL_READ	0100	/* dump data read on this file descriptor */
358 #define QUAL_WRITE	0200	/* dump data written to this file descriptor */
359 
360 #define entering(tcp)	(!((tcp)->flags & TCB_INSYSCALL))
361 #define exiting(tcp)	((tcp)->flags & TCB_INSYSCALL)
362 #define syserror(tcp)	((tcp)->u_error != 0)
363 #define verbose(tcp)	(qual_flags[(tcp)->scno] & QUAL_VERBOSE)
364 #define abbrev(tcp)	(qual_flags[(tcp)->scno] & QUAL_ABBREV)
365 
366 struct xlat {
367 	int val;
368 	char *str;
369 };
370 
371 /* Format of syscall return values */
372 #define RVAL_DECIMAL	000	/* decimal format */
373 #define RVAL_HEX	001	/* hex format */
374 #define RVAL_OCTAL	002	/* octal format */
375 #define RVAL_UDECIMAL	003	/* unsigned decimal format */
376 #define RVAL_LDECIMAL	004	/* long decimal format */
377 #define RVAL_LHEX	005	/* long hex format */
378 #define RVAL_LOCTAL	006	/* long octal format */
379 #define RVAL_LUDECIMAL	007	/* long unsigned decimal format */
380 #define RVAL_MASK	007	/* mask for these values */
381 
382 #define RVAL_STR	010	/* Print `auxstr' field after return val */
383 #define RVAL_NONE	020	/* Print nothing */
384 
385 #ifndef offsetof
386 #define offsetof(type, member)	(((char *) &(((type *) NULL)->member)) - \
387 				 ((char *) (type *) NULL))
388 #endif /* !offsetof */
389 
390 /* get offset of member within a user struct */
391 #define uoff(member)	offsetof(struct user, member)
392 
393 #define TRACE_FILE	001	/* Trace file-related syscalls. */
394 #define TRACE_IPC	002	/* Trace IPC-related syscalls. */
395 #define TRACE_NETWORK	004	/* Trace network-related syscalls. */
396 #define TRACE_PROCESS	010	/* Trace process-related syscalls. */
397 #define TRACE_SIGNAL	020	/* Trace signal-related syscalls. */
398 
399 extern struct tcb **tcbtab;
400 extern int qual_flags[];
401 extern int debug, followfork, followvfork;
402 extern int rflag, tflag, dtime, cflag, xflag, qflag;
403 extern int acolumn;
404 extern char *outfname;
405 extern unsigned int nprocs, tcbtabsize;
406 extern int max_strlen;
407 extern struct tcb *tcp_last;
408 
409 #ifdef __STDC__
410 #define P(args) args
411 #else
412 #define P(args) ()
413 #endif
414 
415 extern int set_personality P((int personality));
416 extern char *xlookup P((const struct xlat *, int));
417 extern struct tcb *alloctcb P((int));
418 extern struct tcb *pid2tcb P((int));
419 extern void droptcb P((struct tcb *));
420 extern int expand_tcbtab P((void));
421 
422 extern void set_sortby P((char *));
423 extern void set_overhead P((int));
424 extern void qualify P((char *));
425 extern void newoutf P((struct tcb *));
426 extern int get_scno P((struct tcb *));
427 extern long known_scno P((struct tcb *));
428 extern int trace_syscall P((struct tcb *));
429 extern void printxval P((const struct xlat *, int, const char *));
430 extern int printargs P((struct tcb *));
431 extern int addflags P((const struct xlat *, int));
432 extern int printflags P((const struct xlat *, int, const char *));
433 extern int umoven P((struct tcb *, long, int, char *));
434 extern int umovestr P((struct tcb *, long, int, char *));
435 extern int upeek P((int, long, long *));
436 extern void dumpiov P((struct tcb *, int, long));
437 extern void dumpstr P((struct tcb *, long, int));
438 extern void printstr P((struct tcb *, long, int));
439 extern void printnum P((struct tcb *, long, char *));
440 extern void printpath P((struct tcb *, long));
441 extern void printpathn P((struct tcb *, long, int));
442 extern void printtv P((struct tcb *, long));
443 #ifdef HAVE_SIGINFO_T
444 extern void printsiginfo P((siginfo_t *, int));
445 #endif
446 extern void printsock P((struct tcb *, long, int));
447 extern void print_sock_optmgmt P((struct tcb *, long, int));
448 extern void printrusage P((struct tcb *, long));
449 extern void printuid P((const char *, unsigned long));
450 extern int clearbpt P((struct tcb *));
451 extern int setbpt P((struct tcb *));
452 extern int sigishandled P((struct tcb *, int));
453 extern void printcall P((struct tcb *));
454 extern const char *signame P((int));
455 extern void printsignal P((int));
456 extern void printleader P((struct tcb *));
457 extern void printtrailer P((struct tcb *));
458 extern void tabto P((int));
459 extern void call_summary P((FILE *));
460 extern void printtv32 P((struct tcb*, long));
461 extern void tprint_iov P((struct tcb *, unsigned long, unsigned long));
462 
463 #ifdef LINUX
464 extern int internal_clone P((struct tcb *));
465 #endif
466 extern int internal_fork P((struct tcb *));
467 extern int internal_exec P((struct tcb *));
468 extern int internal_wait P((struct tcb *, int));
469 extern int internal_exit P((struct tcb *));
470 
471 extern const struct ioctlent *ioctl_lookup P((long));
472 extern const struct ioctlent *ioctl_next_match P((const struct ioctlent *));
473 extern int ioctl_decode P((struct tcb *, long, long));
474 extern int term_ioctl P((struct tcb *, long, long));
475 extern int sock_ioctl P((struct tcb *, long, long));
476 extern int proc_ioctl P((struct tcb *, int, int));
477 extern int stream_ioctl P((struct tcb *, int, int));
478 #ifdef LINUX
479 extern int rtc_ioctl P((struct tcb *, long, long));
480 #endif
481 
482 extern void tv_tv P((struct timeval *, int, int));
483 extern int tv_nz P((struct timeval *));
484 extern int tv_cmp P((struct timeval *, struct timeval *));
485 extern double tv_float P((struct timeval *));
486 extern void tv_add P((struct timeval *, struct timeval *, struct timeval *));
487 extern void tv_sub P((struct timeval *, struct timeval *, struct timeval *));
488 extern void tv_mul P((struct timeval *, struct timeval *, int));
489 extern void tv_div P((struct timeval *, struct timeval *, int));
490 
491 #ifdef SUNOS4
492 extern int fixvfork P((struct tcb *));
493 #endif
494 #if !(defined(LINUX) && !defined(SPARC) && !defined(SPARC64) && !defined(IA64))
495 extern long getrval2 P((struct tcb *));
496 #endif
497 #ifdef USE_PROCFS
498 extern int proc_open P((struct tcb *tcp, int attaching));
499 #endif
500 
501 #define umove(pid, addr, objp)	\
502 	umoven((pid), (addr), sizeof *(objp), (char *) (objp))
503 
504 #ifdef __STDC__
505 #ifdef __GNUC__
506 extern void tprintf(const char *fmt, ...)
507 	__attribute__ ((format (printf, 1, 2)));
508 #else
509 extern void tprintf(const char *fmt, ...);
510 #endif
511 #else
512 extern void tprintf();
513 #endif
514 
515 #ifndef HAVE_STRERROR
516 const char *strerror P((int));
517 #endif
518 #ifndef HAVE_STRSIGNAL
519 const char *strsignal P((int));
520 #endif
521 
522 extern int current_personality;
523 
524 struct sysent {
525 	int	nargs;
526 	int	sys_flags;
527 	int	(*sys_func)();
528 	const char *sys_name;
529 	long	native_scno;	/* Match against SYS_* constants.  */
530 };
531 
532 extern const struct sysent *sysent;
533 extern int nsyscalls;
534 
535 extern const char *const *errnoent;
536 extern int nerrnos;
537 
538 struct ioctlent {
539 	const char *doth;
540 	const char *symbol;
541 	unsigned long code;
542 };
543 
544 extern const struct ioctlent *ioctlent;
545 extern int nioctlents;
546 
547 extern const char *const *signalent;
548 extern int nsignals;
549 
550 extern const struct ioctlent ioctlent0[];
551 extern const int nioctlents0;
552 extern const char *const signalent0[];
553 extern const int nsignals0;
554 
555 #if SUPPORTED_PERSONALITIES >= 2
556 extern const struct ioctlent ioctlent1[];
557 extern const int nioctlents1;
558 extern const char *const signalent1[];
559 extern const int nsignals1;
560 #endif /* SUPPORTED_PERSONALITIES >= 2 */
561 
562 #if SUPPORTED_PERSONALITIES >= 3
563 extern const struct ioctlent ioctlent2[];
564 extern const int nioctlents2;
565 extern const char *const signalent2[];
566 extern const int nsignals2;
567 #endif /* SUPPORTED_PERSONALITIES >= 3 */
568 
569 #if defined(FREEBSD) || (defined(LINUX) \
570 			 && defined(POWERPC) && !defined(__powerpc64__)) \
571   || (defined (LINUX) && defined (MIPS) && !defined(__mips64))
572 /* ARRGH!  off_t args are aligned on 64 bit boundaries! */
573 #define ALIGN64(tcp,arg)						\
574 do {									\
575 	if (arg % 2)							\
576 	    memmove (&tcp->u_arg[arg], &tcp->u_arg[arg + 1],		\
577 		     (tcp->u_nargs - arg - 1) * sizeof tcp->u_arg[0]);	\
578 } while (0)
579 #else
580 #define ALIGN64(tcp,arg) do { } while (0)
581 #endif
582 
583 #if HAVE_LONG_LONG
584 
585 /* _l refers to the lower numbered u_arg,
586  * _h refers to the higher numbered u_arg
587  */
588 
589 #if HAVE_LITTLE_ENDIAN_LONG_LONG
590 #define LONG_LONG(_l,_h) \
591     ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32)))
592 #else
593 #define LONG_LONG(_l,_h) \
594     ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32)))
595 #endif
596 #endif
597 
598 #ifdef IA64
599 extern long ia32;
600 #endif
601 
602 extern int not_failing_only;
603