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>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
44 #ifdef _LARGEFILE64_SOURCE
45 /* This is the macro everything checks before using foo64 names. */
46 # ifndef _LFS64_LARGEFILE
47 # define _LFS64_LARGEFILE 1
51 /* configuration section */
53 #if defined(LINUX) && defined(MIPS)
54 #define MAX_QUALS 7000 /* maximum number of syscalls, signals, etc. */
56 #define MAX_QUALS 2048 /* maximum number of syscalls, signals, etc. */
59 #ifndef DEFAULT_STRLEN
60 #define DEFAULT_STRLEN 32 /* default maximum # of bytes printed in
61 `printstr', change with `-s' switch */
63 #ifndef DEFAULT_ACOLUMN
64 #define DEFAULT_ACOLUMN 40 /* default alignment column for results */
68 # define MAX_ARGS 6 /* maximum number of args to a syscall */
70 # define MAX_ARGS 32 /* maximum number of args to a syscall */
73 #ifndef DEFAULT_SORTBY
74 #define DEFAULT_SORTBY "time" /* default sorting method for call profiling */
77 #include <sys/types.h>
93 #endif /* STDC_HEADERS */
100 # if defined(SPARC) || defined(SPARC64)
104 # define LINUX_X86_64
106 # if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI32
107 # define LINUX_MIPSO32
109 # if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_NABI32
110 # define LINUX_MIPSN32
111 # define LINUX_MIPS64
113 # if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI64
114 # define LINUX_MIPSN64
115 # define LINUX_MIPS64
125 #if defined(SVR4) || defined(FREEBSD)
133 #error "FreeBSD support is only for i386 arch right now."
135 #include <machine/psl.h>
136 #include <machine/reg.h>
137 #include <sys/syscall.h>
141 #include <sys/procfs.h>
142 #ifdef HAVE_MP_PROCFS
146 #include <sys/pioctl.h>
148 #else /* !USE_PROCFS */
149 #if (defined(LINUXSPARC) || defined(LINUX_X86_64) || defined(LINUX_ARM) || defined(LINUX_AVR32)) && defined(__GLIBC__)
150 #include <sys/ptrace.h>
152 /* Work around awkward prototype in ptrace.h. */
153 #define ptrace xptrace
154 #include <sys/ptrace.h>
158 #include <asm/ptrace.h>
162 extern long ptrace(int, int, char *, long);
164 extern int ptrace(int, int, char *, int, ...);
166 #endif /* !LINUXSPARC */
170 #if !defined(__GLIBC__)
171 #define PTRACE_PEEKUSER PTRACE_PEEKUSR
172 #define PTRACE_POKEUSER PTRACE_POKEUSR
189 # define PT_GR20 (20*4)
190 # define PT_GR26 (26*4)
191 # define PT_GR28 (28*4)
192 # define PT_IAOQ0 (106*4)
193 # define PT_IAOQ1 (107*4)
196 /* SH64 Linux - this code assumes the following kernel API for system calls:
198 System Call Offset 16 (actually, (syscall no.) | (0x1n << 16),
199 where n = no. of parameters.
200 Other regs Offset 24+
202 On entry: R2-7 = parameters 1-6 (as many as necessary)
203 On return: R9 = result. */
205 /* Offset for peeks of registers */
206 # define REG_OFFSET (24)
207 # define REG_GENERAL(x) (8*(x)+REG_OFFSET)
208 # define REG_PC (0*8)
209 # define REG_SYSCALL (2*8)
213 #define SUPPORTED_PERSONALITIES 1
214 #define DEFAULT_PERSONALITY 0
217 /* Indexes into the pt_regs.u_reg[] array -- UREG_XX from kernel are all off
218 * by 1 and use Ix instead of Ox. These work for both 32 and 64 bit Linux. */
222 #define PERSONALITY0_WORDSIZE 4
223 #define PERSONALITY1_WORDSIZE 4
224 #undef SUPPORTED_PERSONALITIES
226 #include <asm/psrcompat.h>
227 #define SUPPORTED_PERSONALITIES 3
228 #define PERSONALITY2_WORDSIZE 8
231 #define SUPPORTED_PERSONALITIES 2
233 #endif /* LINUXSPARC */
236 #undef SUPPORTED_PERSONALITIES
237 #define SUPPORTED_PERSONALITIES 2
238 #define PERSONALITY0_WORDSIZE 8
239 #define PERSONALITY1_WORDSIZE 4
243 #undef SUPPORTED_PERSONALITIES
244 #define SUPPORTED_PERSONALITIES 2
245 #define PERSONALITY0_WORDSIZE 4
246 #define PERSONALITY1_WORDSIZE 4
250 #undef SUPPORTED_PERSONALITIES
251 #define SUPPORTED_PERSONALITIES 2
252 #define PERSONALITY0_WORDSIZE 8
253 #define PERSONALITY1_WORDSIZE 4
257 #ifdef HAVE_MP_PROCFS
258 extern int mp_ioctl (int f, int c, void *a, int s);
259 #define IOCTL(f,c,a) mp_ioctl (f, c, a, sizeof *a)
260 #define IOCTL_STATUS(t) \
261 pread (t->pfd_stat, &t->status, sizeof t->status, 0)
262 #define IOCTL_WSTOP(t) \
263 (IOCTL (t->pfd, PCWSTOP, (char *)NULL) < 0 ? -1 : \
265 #define PR_WHY pr_lwp.pr_why
266 #define PR_WHAT pr_lwp.pr_what
267 #define PR_REG pr_lwp.pr_context.uc_mcontext.gregs
268 #define PR_FLAGS pr_lwp.pr_flags
269 #define PR_SYSCALL pr_lwp.pr_syscall
270 #define PR_INFO pr_lwp.pr_info
271 #define PIOCSTIP PCSTOP
272 #define PIOCSET PCSET
273 #define PIOCRESET PCRESET
274 #define PIOCSTRACE PCSTRACE
275 #define PIOCSFAULT PCSFAULT
276 #define PIOCWSTOP PCWSTOP
277 #define PIOCSTOP PCSTOP
278 #define PIOCSENTRY PCSENTRY
279 #define PIOCSEXIT PCSEXIT
280 #define PIOCRUN PCRUN
283 #define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status)
284 #define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWSTOP, &t->status)
285 #define PR_WHY pr_why
286 #define PR_WHAT pr_what
287 #define PR_REG pr_reg
288 #define PR_FLAGS pr_flags
289 #define PR_SYSCALL pr_syscall
290 #define PR_INFO pr_info
295 #define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status)
296 #define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWAIT, &t->status)
297 #define PIOCRUN PIOCCONT
298 #define PIOCWSTOP PIOCWAIT
301 #define PR_FLAGS state
302 /* from /usr/src/sys/miscfs/procfs/procfs_vnops.c,
303 status.state = 0 for running, 1 for stopped */
305 #define PR_SYSENTRY S_SCE
306 #define PR_SYSEXIT S_SCX
307 #define PR_SIGNALLED S_SIG
308 #define PR_FAULTED S_CORE
312 # if !HAVE_DECL_PTRACE_SETOPTIONS
313 # define PTRACE_SETOPTIONS 0x4200
315 # if !HAVE_DECL_PTRACE_GETEVENTMSG
316 # define PTRACE_GETEVENTMSG 0x4201
318 # if !HAVE_DECL_PTRACE_GETSIGINFO
319 # define PTRACE_GETSIGINFO 0x4202
321 # if !HAVE_DECL_PTRACE_O_TRACEFORK
322 # define PTRACE_O_TRACEFORK 0x00000002
324 # if !HAVE_DECL_PTRACE_O_TRACEVFORK
325 # define PTRACE_O_TRACEVFORK 0x00000004
327 # if !HAVE_DECL_PTRACE_O_TRACECLONE
328 # define PTRACE_O_TRACECLONE 0x00000008
331 # if !HAVE_DECL_PTRACE_EVENT_FORK
332 # define PTRACE_EVENT_FORK 1
334 # if !HAVE_DECL_PTRACE_EVENT_VFORK
335 # define PTRACE_EVENT_VFORK 2
337 # if !HAVE_DECL_PTRACE_EVENT_CLONE
338 # define PTRACE_EVENT_CLONE 3
342 /* Trace Control Block */
344 short flags; /* See below for TCB_ values */
345 int pid; /* Process Id of this entry */
346 long scno; /* System call number */
347 int u_nargs; /* System call arguments */
348 long u_arg[MAX_ARGS]; /* System call arguments */
349 #if defined (LINUX_MIPSN32)
350 long long ext_arg[MAX_ARGS]; /* System call arguments */
352 int u_error; /* Error code */
353 long u_rval; /* (first) return value */
354 #ifdef HAVE_LONG_LONG
355 long long u_lrval; /* long long return value */
357 FILE *outf; /* Output file for this process */
358 int curcol; /* Output column for this process */
359 const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */
360 struct timeval stime; /* System time usage as of last process wait */
361 struct timeval dtime; /* Delta for system time usage */
362 struct timeval etime; /* Syscall entry time */
363 /* Support for tracing forked processes */
364 struct tcb *parent; /* Parent of this process */
365 int nchildren; /* # of traced children */
366 int waitpid; /* pid(s) this process is waiting for */
367 int nzombies; /* # of formerly traced children now dead */
369 int nclone_threads; /* # of nchildren with CLONE_THREAD */
370 int nclone_waiting; /* clone threads in wait4 (TCB_SUSPENDED) */
372 /* (1st arg of wait4()) */
373 long baddr; /* `Breakpoint' address */
374 long inst[2]; /* Instructions on above */
375 int pfd; /* proc file descriptor */
377 #ifdef HAVE_MP_PROCFS
382 prstatus_t status; /* procfs status structure */
387 struct procfs_status status;
394 #define TCB_STARTUP 00001 /* We have just begun ptracing this process */
395 #define TCB_INUSE 00002 /* This table entry is in use */
396 #define TCB_INSYSCALL 00004 /* A system call is in progress */
397 #define TCB_ATTACHED 00010 /* Process is not our own child */
398 #define TCB_EXITING 00020 /* As far as we know, this process is exiting */
399 #define TCB_SUSPENDED 00040 /* Process can not be allowed to resume just now */
400 #define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */
401 #define TCB_SIGTRAPPED 00200 /* Process wanted to block SIGTRAP */
402 #define TCB_FOLLOWFORK 00400 /* Process should have forks followed */
403 #define TCB_REPRINT 01000 /* We should reprint this syscall on exit */
404 #define TCB_FILTERED 02000 /* This system call has been filtered out */
406 /* x86 does not need TCB_WAITEXECVE.
407 * It can detect execve's SIGTRAP by looking at eax/rax.
408 * See "stray syscall exit: eax = " message in syscall_fixup().
410 # if defined(ALPHA) || defined(AVR32) || defined(SPARC) || defined(SPARC64) \
411 || defined(POWERPC) || defined(IA64) || defined(HPPA) \
412 || defined(SH) || defined(SH64) || defined(S390) || defined(S390X) \
413 || defined(ARM) || defined(MIPS) || defined(BFIN) || defined(TILE)
414 # define TCB_WAITEXECVE 04000 /* ignore SIGTRAP after exceve */
416 # define TCB_CLONE_THREAD 010000 /* CLONE_THREAD set in creating syscall */
417 # define TCB_GROUP_EXITING 020000 /* TCB_EXITING was exit_group, not _exit */
418 # include <sys/syscall.h>
419 # ifndef __NR_exit_group
420 # /* Hack: Most headers around are too old to have __NR_exit_group. */
422 # define __NR_exit_group 405
424 # define __NR_exit_group 252
425 # elif defined X86_64
426 # define __NR_exit_group 231
428 # define __NR_exit_group 1236
429 # elif defined POWERPC
430 # define __NR_exit_group 234
431 # elif defined S390 || defined S390X
432 # define __NR_exit_group 248
433 # elif defined SPARC || defined SPARC64
434 # define __NR_exit_group 188
436 # define __NR_exit_group 247
437 # endif /* ALPHA et al */
438 # endif /* !__NR_exit_group */
441 /* qualifier flags */
442 #define QUAL_TRACE 0001 /* this system call should be traced */
443 #define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */
444 #define QUAL_VERBOSE 0004 /* decode the structures of this syscall */
445 #define QUAL_RAW 0010 /* print all args in hex for this syscall */
446 #define QUAL_SIGNAL 0020 /* report events with this signal */
447 #define QUAL_FAULT 0040 /* report events with this fault */
448 #define QUAL_READ 0100 /* dump data read on this file descriptor */
449 #define QUAL_WRITE 0200 /* dump data written to this file descriptor */
451 #define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL))
452 #define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL)
453 #define syserror(tcp) ((tcp)->u_error != 0)
454 #define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE)
455 #define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV)
456 #define filtered(tcp) ((tcp)->flags & TCB_FILTERED)
463 extern const struct xlat open_mode_flags[];
464 extern const struct xlat addrfams[];
465 extern const struct xlat struct_user_offsets[];
466 extern const struct xlat open_access_modes[];
468 /* Format of syscall return values */
469 #define RVAL_DECIMAL 000 /* decimal format */
470 #define RVAL_HEX 001 /* hex format */
471 #define RVAL_OCTAL 002 /* octal format */
472 #define RVAL_UDECIMAL 003 /* unsigned decimal format */
473 #define RVAL_LDECIMAL 004 /* long decimal format */
474 #define RVAL_LHEX 005 /* long hex format */
475 #define RVAL_LOCTAL 006 /* long octal format */
476 #define RVAL_LUDECIMAL 007 /* long unsigned decimal format */
477 #define RVAL_MASK 007 /* mask for these values */
479 #define RVAL_STR 010 /* Print `auxstr' field after return val */
480 #define RVAL_NONE 020 /* Print nothing */
483 #define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \
484 ((char *) (type *) NULL))
485 #endif /* !offsetof */
487 /* get offset of member within a user struct */
488 #define uoff(member) offsetof(struct user, member)
490 #define TRACE_FILE 001 /* Trace file-related syscalls. */
491 #define TRACE_IPC 002 /* Trace IPC-related syscalls. */
492 #define TRACE_NETWORK 004 /* Trace network-related syscalls. */
493 #define TRACE_PROCESS 010 /* Trace process-related syscalls. */
494 #define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */
495 #define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */
496 #define SYSCALL_NEVER_FAILS 0100 /* Syscall is always successful. */
504 extern struct tcb **tcbtab;
505 extern int *qual_flags;
506 extern int debug, followfork;
507 extern unsigned int ptrace_setoptions_followfork;
508 extern unsigned int ptrace_setoptions_for_all;
509 extern int dtime, xflag, qflag;
510 extern cflag_t cflag;
512 extern unsigned int nprocs, tcbtabsize;
513 extern int max_strlen;
514 extern struct tcb *tcp_last;
516 enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 };
518 extern int set_personality(int personality);
519 extern const char *xlookup(const struct xlat *, int);
520 extern struct tcb *alloc_tcb(int, int);
521 extern struct tcb *pid2tcb(int);
522 extern void droptcb(struct tcb *);
523 extern void expand_tcbtab(void);
525 #define alloctcb(pid) alloc_tcb((pid), 1)
527 extern void set_sortby(const char *);
528 extern void set_overhead(int);
529 extern void qualify(const char *);
530 extern int get_scno(struct tcb *);
531 extern long known_scno(struct tcb *);
532 extern long do_ptrace(int request, struct tcb *tcp, void *addr, void *data);
533 extern int ptrace_restart(int request, struct tcb *tcp, int sig);
534 extern int force_result(struct tcb *, int, long);
535 extern int trace_syscall(struct tcb *);
536 extern int count_syscall(struct tcb *, struct timeval *);
537 extern void printxval(const struct xlat *, int, const char *);
538 extern int printargs(struct tcb *);
539 extern int addflags(const struct xlat *, int);
540 extern int printflags(const struct xlat *, int, const char *);
541 extern const char *sprintflags(const char *, const struct xlat *, int);
542 extern int umoven(struct tcb *, long, int, char *);
543 extern int umovestr(struct tcb *, long, int, char *);
544 extern int upeek(struct tcb *, long, long *);
545 extern void dumpiov(struct tcb *, int, long);
546 extern void dumpstr(struct tcb *, long, int);
547 extern void printstr(struct tcb *, long, int);
548 extern void printnum(struct tcb *, long, const char *);
549 extern void printnum_int(struct tcb *, long, const char *);
550 extern void printpath(struct tcb *, long);
551 extern void printpathn(struct tcb *, long, int);
552 extern void printtv_bitness(struct tcb *, long, enum bitness_t, int);
553 extern void sprinttv(struct tcb *, long, enum bitness_t, char *);
554 extern void print_timespec(struct tcb *, long);
555 extern void sprint_timespec(char *, struct tcb *, long);
556 #ifdef HAVE_SIGINFO_T
557 extern void printsiginfo(siginfo_t *, int);
559 extern const char *getfdpath(struct tcb *, int);
560 extern void printfd(struct tcb *, int);
561 extern void printsock(struct tcb *, long, int);
562 extern void print_sock_optmgmt(struct tcb *, long, int);
563 extern void printrusage(struct tcb *, long);
564 extern void printuid(const char *, unsigned long);
565 extern int clearbpt(struct tcb *);
566 extern int setbpt(struct tcb *);
567 extern int sigishandled(struct tcb *, int);
568 extern void printcall(struct tcb *);
569 extern const char *signame(int);
570 extern void print_sigset(struct tcb *, long, int);
571 extern void printsignal(int);
572 extern void printleader(struct tcb *);
573 extern void printtrailer(void);
574 extern void tabto(int);
575 extern void call_summary(FILE *);
576 extern void tprint_iov(struct tcb *, unsigned long, unsigned long);
577 extern void tprint_open_modes(mode_t);
578 extern const char *sprint_open_modes(mode_t);
579 extern int is_restart_error(struct tcb *);
581 extern int pathtrace_select(const char *);
582 extern int pathtrace_match(struct tcb *);
584 extern int change_syscall(struct tcb *, int);
585 extern int internal_fork(struct tcb *);
586 extern int internal_exec(struct tcb *);
587 extern int internal_wait(struct tcb *, int);
588 extern int internal_exit(struct tcb *);
590 extern int handle_new_child(struct tcb *, int, int);
593 extern const struct ioctlent *ioctl_lookup(long);
594 extern const struct ioctlent *ioctl_next_match(const struct ioctlent *);
595 extern int ioctl_decode(struct tcb *, long, long);
596 extern int term_ioctl(struct tcb *, long, long);
597 extern int sock_ioctl(struct tcb *, long, long);
598 extern int proc_ioctl(struct tcb *, int, int);
599 extern int stream_ioctl(struct tcb *, int, int);
601 extern int rtc_ioctl(struct tcb *, long, long);
602 extern int scsi_ioctl(struct tcb *, long, long);
603 extern int block_ioctl(struct tcb *, long, long);
606 extern int tv_nz(struct timeval *);
607 extern int tv_cmp(struct timeval *, struct timeval *);
608 extern double tv_float(struct timeval *);
609 extern void tv_add(struct timeval *, struct timeval *, struct timeval *);
610 extern void tv_sub(struct timeval *, struct timeval *, struct timeval *);
611 extern void tv_mul(struct timeval *, struct timeval *, int);
612 extern void tv_div(struct timeval *, struct timeval *, int);
615 extern int fixvfork(struct tcb *);
617 #if !(defined(LINUX) && !defined(SPARC) && !defined(SPARC64) && !defined(IA64) \
619 extern long getrval2(struct tcb *);
622 extern int proc_open(struct tcb *tcp, int attaching);
625 #define umove(pid, addr, objp) \
626 umoven((pid), (addr), sizeof *(objp), (char *) (objp))
628 #define printtv(tcp, addr) \
629 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0)
630 #define printtv_special(tcp, addr) \
631 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1)
633 extern void tprintf(const char *fmt, ...)
635 __attribute__ ((format (printf, 1, 2)))
639 #ifndef HAVE_STRERROR
640 const char *strerror(int);
642 #ifndef HAVE_STRSIGNAL
643 const char *strsignal(int);
646 extern int current_personality;
647 extern const int personality_wordsize[];
653 const char *sys_name;
654 long native_scno; /* Match against SYS_* constants. */
657 extern const struct sysent *sysent;
658 extern int nsyscalls;
660 extern const char *const *errnoent;
669 extern const struct ioctlent *ioctlent;
670 extern int nioctlents;
672 extern const char *const *signalent;
675 extern const struct ioctlent ioctlent0[];
676 extern const int nioctlents0;
677 extern const char *const signalent0[];
678 extern const int nsignals0;
680 #if SUPPORTED_PERSONALITIES >= 2
681 extern const struct ioctlent ioctlent1[];
682 extern const int nioctlents1;
683 extern const char *const signalent1[];
684 extern const int nsignals1;
685 #endif /* SUPPORTED_PERSONALITIES >= 2 */
687 #if SUPPORTED_PERSONALITIES >= 3
688 extern const struct ioctlent ioctlent2[];
689 extern const int nioctlents2;
690 extern const char *const signalent2[];
691 extern const int nsignals2;
692 #endif /* SUPPORTED_PERSONALITIES >= 3 */
696 /* _l refers to the lower numbered u_arg,
697 * _h refers to the higher numbered u_arg
700 #if HAVE_LITTLE_ENDIAN_LONG_LONG
701 #define LONG_LONG(_l,_h) \
702 ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32)))
704 #define LONG_LONG(_l,_h) \
705 ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32)))
708 extern int printllval(struct tcb *, const char *, int);
715 extern int not_failing_only;
716 extern int show_fd_path;
717 extern int tracing_paths;