defs.h revision f50e7141d5b5aedafa220d851a8b6afe753d679a
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 30#ifdef HAVE_CONFIG_H 31# include "config.h" 32#endif 33#ifdef _LARGEFILE64_SOURCE 34/* This is the macro everything checks before using foo64 names. */ 35# ifndef _LFS64_LARGEFILE 36# define _LFS64_LARGEFILE 1 37# endif 38#endif 39#ifdef MIPS 40# include <sgidefs.h> 41#endif 42#include <features.h> 43#ifdef HAVE_STDBOOL_H 44# include <stdbool.h> 45#endif 46#include <stdint.h> 47#include <inttypes.h> 48#include <sys/types.h> 49#ifdef STDC_HEADERS 50# include <stddef.h> 51#endif 52#include <unistd.h> 53#include <stdlib.h> 54#include <stdio.h> 55#include <ctype.h> 56#include <string.h> 57#include <errno.h> 58#include <signal.h> 59#include <time.h> 60#include <sys/time.h> 61#include <sys/syscall.h> 62 63#ifndef HAVE_STRERROR 64const char *strerror(int); 65#endif 66#ifndef HAVE_STPCPY 67/* Some libc have stpcpy, some don't. Sigh... 68 * Roll our private implementation... 69 */ 70#undef stpcpy 71#define stpcpy strace_stpcpy 72extern char *stpcpy(char *dst, const char *src); 73#endif 74 75#if !defined __GNUC__ 76# define __attribute__(x) /*nothing*/ 77#endif 78 79#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 80 81/* Configuration section */ 82#ifndef MAX_QUALS 83# if defined(MIPS) 84# define MAX_QUALS 7000 /* maximum number of syscalls, signals, etc. */ 85# else 86# define MAX_QUALS 2048 /* maximum number of syscalls, signals, etc. */ 87# endif 88#endif 89#ifndef DEFAULT_STRLEN 90/* default maximum # of bytes printed in `printstr', change with -s switch */ 91# define DEFAULT_STRLEN 32 92#endif 93#ifndef DEFAULT_ACOLUMN 94# define DEFAULT_ACOLUMN 40 /* default alignment column for results */ 95#endif 96/* 97 * Maximum number of args to a syscall. 98 * 99 * Make sure that all entries in all syscallent.h files have nargs <= MAX_ARGS! 100 * linux/<ARCH>/syscallent.h: all have nargs <= 6. 101 */ 102#ifndef MAX_ARGS 103# define MAX_ARGS 6 104#endif 105/* default sorting method for call profiling */ 106#ifndef DEFAULT_SORTBY 107# define DEFAULT_SORTBY "time" 108#endif 109 110#if defined(SPARC) || defined(SPARC64) 111# define LINUXSPARC 112#endif 113#if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI32 114# define LINUX_MIPSO32 115#endif 116#if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_NABI32 117# define LINUX_MIPSN32 118# define LINUX_MIPS64 119#endif 120#if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI64 121# define LINUX_MIPSN64 122# define LINUX_MIPS64 123#endif 124 125#if (defined(LINUXSPARC) || defined(X86_64) || defined(ARM) || defined(AVR32)) && defined(__GLIBC__) 126# include <sys/ptrace.h> 127#else 128/* Work around awkward prototype in ptrace.h. */ 129# define ptrace xptrace 130# include <sys/ptrace.h> 131# undef ptrace 132# ifdef POWERPC 133# define __KERNEL__ 134# include <asm/ptrace.h> 135# undef __KERNEL__ 136# endif 137extern long ptrace(int, int, char *, long); 138#endif 139 140#if !defined(__GLIBC__) 141# define PTRACE_PEEKUSER PTRACE_PEEKUSR 142# define PTRACE_POKEUSER PTRACE_POKEUSR 143#endif 144#if defined(X86_64) || defined(I386) 145/* For struct pt_regs. x86 strace uses PTRACE_GETREGS. 146 * PTRACE_GETREGS returns registers in the layout of this struct. 147 */ 148# include <asm/ptrace.h> 149#endif 150#ifdef ALPHA 151# define REG_R0 0 152# define REG_A0 16 153# define REG_A3 19 154# define REG_FP 30 155# define REG_PC 64 156#endif /* ALPHA */ 157#ifdef MIPS 158# define REG_V0 2 159# define REG_A0 4 160# define REG_A3 7 161# define REG_SP 29 162# define REG_EPC 64 163#endif /* MIPS */ 164#ifdef HPPA 165# define PT_GR20 (20*4) 166# define PT_GR26 (26*4) 167# define PT_GR28 (28*4) 168# define PT_IAOQ0 (106*4) 169# define PT_IAOQ1 (107*4) 170#endif /* HPPA */ 171#ifdef SH64 172 /* SH64 Linux - this code assumes the following kernel API for system calls: 173 PC Offset 0 174 System Call Offset 16 (actually, (syscall no.) | (0x1n << 16), 175 where n = no. of parameters. 176 Other regs Offset 24+ 177 178 On entry: R2-7 = parameters 1-6 (as many as necessary) 179 On return: R9 = result. */ 180 181 /* Offset for peeks of registers */ 182# define REG_OFFSET (24) 183# define REG_GENERAL(x) (8*(x)+REG_OFFSET) 184# define REG_PC (0*8) 185# define REG_SYSCALL (2*8) 186#endif /* SH64 */ 187 188#define SUPPORTED_PERSONALITIES 1 189#define DEFAULT_PERSONALITY 0 190 191#ifdef LINUXSPARC 192/* Indexes into the pt_regs.u_reg[] array -- UREG_XX from kernel are all off 193 * by 1 and use Ix instead of Ox. These work for both 32 and 64 bit Linux. */ 194# define U_REG_G1 0 195# define U_REG_O0 7 196# define U_REG_O1 8 197# define PERSONALITY0_WORDSIZE 4 198# define PERSONALITY1_WORDSIZE 4 199# undef SUPPORTED_PERSONALITIES 200# if defined(SPARC64) 201# include <asm/psrcompat.h> 202# define SUPPORTED_PERSONALITIES 3 203# define PERSONALITY2_WORDSIZE 8 204# else 205# include <asm/psr.h> 206# define SUPPORTED_PERSONALITIES 2 207# endif /* SPARC64 */ 208#endif /* LINUXSPARC */ 209 210#ifdef X86_64 211# undef SUPPORTED_PERSONALITIES 212# define SUPPORTED_PERSONALITIES 2 213# define PERSONALITY0_WORDSIZE 8 214# define PERSONALITY1_WORDSIZE 4 215#endif 216 217#ifdef ARM 218# undef SUPPORTED_PERSONALITIES 219# define SUPPORTED_PERSONALITIES 2 220# define PERSONALITY0_WORDSIZE 4 221# define PERSONALITY1_WORDSIZE 4 222#endif 223 224#ifdef POWERPC64 225# undef SUPPORTED_PERSONALITIES 226# define SUPPORTED_PERSONALITIES 2 227# define PERSONALITY0_WORDSIZE 8 228# define PERSONALITY1_WORDSIZE 4 229#endif 230 231#if !HAVE_DECL_PTRACE_SETOPTIONS 232# define PTRACE_SETOPTIONS 0x4200 233#endif 234#if !HAVE_DECL_PTRACE_GETEVENTMSG 235# define PTRACE_GETEVENTMSG 0x4201 236#endif 237#if !HAVE_DECL_PTRACE_GETSIGINFO 238# define PTRACE_GETSIGINFO 0x4202 239#endif 240 241#if !HAVE_DECL_PTRACE_O_TRACESYSGOOD 242# define PTRACE_O_TRACESYSGOOD 0x00000001 243#endif 244#if !HAVE_DECL_PTRACE_O_TRACEFORK 245# define PTRACE_O_TRACEFORK 0x00000002 246#endif 247#if !HAVE_DECL_PTRACE_O_TRACEVFORK 248# define PTRACE_O_TRACEVFORK 0x00000004 249#endif 250#if !HAVE_DECL_PTRACE_O_TRACECLONE 251# define PTRACE_O_TRACECLONE 0x00000008 252#endif 253#if !HAVE_DECL_PTRACE_O_TRACEEXEC 254# define PTRACE_O_TRACEEXEC 0x00000010 255#endif 256#if !HAVE_DECL_PTRACE_O_TRACEEXIT 257# define PTRACE_O_TRACEEXIT 0x00000040 258#endif 259 260#if !HAVE_DECL_PTRACE_EVENT_FORK 261# define PTRACE_EVENT_FORK 1 262#endif 263#if !HAVE_DECL_PTRACE_EVENT_VFORK 264# define PTRACE_EVENT_VFORK 2 265#endif 266#if !HAVE_DECL_PTRACE_EVENT_CLONE 267# define PTRACE_EVENT_CLONE 3 268#endif 269#if !HAVE_DECL_PTRACE_EVENT_EXEC 270# define PTRACE_EVENT_EXEC 4 271#endif 272#if !HAVE_DECL_PTRACE_EVENT_VFORK_DONE 273# define PTRACE_EVENT_VFORK_DONE 5 274#endif 275#if !HAVE_DECL_PTRACE_EVENT_EXIT 276# define PTRACE_EVENT_EXIT 6 277#endif 278 279/* Experimental code using PTRACE_SEIZE can be enabled here: */ 280//# define USE_SEIZE 1 281 282#ifdef USE_SEIZE 283# undef PTRACE_SEIZE 284# define PTRACE_SEIZE 0x4206 285# undef PTRACE_INTERRUPT 286# define PTRACE_INTERRUPT 0x4207 287# undef PTRACE_LISTEN 288# define PTRACE_LISTEN 0x4208 289# undef PTRACE_SEIZE_DEVEL 290# define PTRACE_SEIZE_DEVEL 0x80000000 291# undef PTRACE_EVENT_STOP 292# define PTRACE_EVENT_STOP 7 293# define PTRACE_EVENT_STOP1 128 294#endif 295 296#if defined(I386) 297extern struct pt_regs i386_regs; 298#endif 299#if defined(IA64) 300extern long ia32; 301#endif 302 303/* Trace Control Block */ 304struct tcb { 305 int flags; /* See below for TCB_ values */ 306 int pid; /* Process Id of this entry */ 307 int u_nargs; /* System call argument count */ 308 int u_error; /* Error code */ 309 long scno; /* System call number */ 310 long u_arg[MAX_ARGS]; /* System call arguments */ 311#if defined(LINUX_MIPSN32) 312 long long ext_arg[MAX_ARGS]; /* System call arguments */ 313#endif 314 long u_rval; /* (first) return value */ 315 int ptrace_errno; 316#if SUPPORTED_PERSONALITIES > 1 317 int currpers; /* Personality at the time of scno update */ 318#endif 319 int curcol; /* Output column for this process */ 320 FILE *outf; /* Output file for this process */ 321 const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */ 322 struct timeval stime; /* System time usage as of last process wait */ 323 struct timeval dtime; /* Delta for system time usage */ 324 struct timeval etime; /* Syscall entry time */ 325 /* Support for tracing forked processes: */ 326 long inst[2]; /* Saved clone args (badly named) */ 327}; 328 329/* TCB flags */ 330#define TCB_INUSE 00001 /* This table entry is in use */ 331/* We have attached to this process, but did not see it stopping yet */ 332#define TCB_STARTUP 00002 333#define TCB_IGNORE_ONE_SIGSTOP 00004 /* Next SIGSTOP is to be ignored */ 334/* 335 * Are we in system call entry or in syscall exit? 336 * 337 * This bit is set after all syscall entry processing is done. 338 * Therefore, this bit will be set when next ptrace stop occurs, 339 * which should be syscall exit stop. Other stops which are possible 340 * directly after syscall entry (death, ptrace event stop) 341 * are simpler and handled without calling trace_syscall(), therefore 342 * the places where TCB_INSYSCALL can be set but we aren't in syscall stop 343 * are limited to trace(), this condition is never observed in trace_syscall() 344 * and below. 345 * The bit is cleared after all syscall exit processing is done. 346 * User-generated SIGTRAPs and post-execve SIGTRAP make it necessary 347 * to be very careful and NOT set TCB_INSYSCALL bit when they are encountered. 348 * TCB_WAITEXECVE bit is used for this purpose (see below). 349 * 350 * Use entering(tcp) / exiting(tcp) to check this bit to make code more readable. 351 */ 352#define TCB_INSYSCALL 00010 353#define TCB_ATTACHED 00020 /* It is attached already */ 354/* Are we PROG from "strace PROG [ARGS]" invocation? */ 355#define TCB_STRACE_CHILD 00040 356#define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */ 357#define TCB_REPRINT 01000 /* We should reprint this syscall on exit */ 358#define TCB_FILTERED 02000 /* This system call has been filtered out */ 359/* x86 does not need TCB_WAITEXECVE. 360 * It can detect SIGTRAP by looking at eax/rax. 361 * See "not a syscall entry (eax = %ld)\n" message 362 * in syscall_fixup_on_sysenter(). 363 */ 364#if defined(ALPHA) || defined(AVR32) || defined(SPARC) || defined(SPARC64) \ 365 || defined(POWERPC) || defined(IA64) || defined(HPPA) \ 366 || defined(SH) || defined(SH64) || defined(S390) || defined(S390X) \ 367 || defined(ARM) || defined(MIPS) || defined(BFIN) || defined(TILE) 368/* This tracee has entered into execve syscall. Expect post-execve SIGTRAP 369 * to happen. (When it is detected, tracee is continued and this bit is cleared.) 370 */ 371# define TCB_WAITEXECVE 04000 372#endif 373 374/* qualifier flags */ 375#define QUAL_TRACE 0001 /* this system call should be traced */ 376#define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */ 377#define QUAL_VERBOSE 0004 /* decode the structures of this syscall */ 378#define QUAL_RAW 0010 /* print all args in hex for this syscall */ 379#define QUAL_SIGNAL 0020 /* report events with this signal */ 380#define QUAL_FAULT 0040 /* report events with this fault */ 381#define QUAL_READ 0100 /* dump data read on this file descriptor */ 382#define QUAL_WRITE 0200 /* dump data written to this file descriptor */ 383 384#define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL)) 385#define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL) 386#define syserror(tcp) ((tcp)->u_error != 0) 387#define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE) 388#define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV) 389#define filtered(tcp) ((tcp)->flags & TCB_FILTERED) 390 391struct xlat { 392 int val; 393 const char *str; 394}; 395 396extern const struct xlat open_mode_flags[]; 397extern const struct xlat addrfams[]; 398extern const struct xlat struct_user_offsets[]; 399extern const struct xlat open_access_modes[]; 400 401/* Format of syscall return values */ 402#define RVAL_DECIMAL 000 /* decimal format */ 403#define RVAL_HEX 001 /* hex format */ 404#define RVAL_OCTAL 002 /* octal format */ 405#define RVAL_UDECIMAL 003 /* unsigned decimal format */ 406#define RVAL_MASK 003 /* mask for these values */ 407 408#define RVAL_STR 010 /* Print `auxstr' field after return val */ 409#define RVAL_NONE 020 /* Print nothing */ 410 411#ifndef offsetof 412# define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \ 413 ((char *) (type *) NULL)) 414#endif 415 416/* get offset of member within a user struct */ 417#define uoff(member) offsetof(struct user, member) 418 419#define TRACE_FILE 001 /* Trace file-related syscalls. */ 420#define TRACE_IPC 002 /* Trace IPC-related syscalls. */ 421#define TRACE_NETWORK 004 /* Trace network-related syscalls. */ 422#define TRACE_PROCESS 010 /* Trace process-related syscalls. */ 423#define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */ 424#define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */ 425#define SYSCALL_NEVER_FAILS 0100 /* Syscall is always successful. */ 426 427typedef enum { 428 CFLAG_NONE = 0, 429 CFLAG_ONLY_STATS, 430 CFLAG_BOTH 431} cflag_t; 432extern cflag_t cflag; 433extern int *qual_flags; 434extern bool debug_flag; 435extern bool Tflag; 436extern bool qflag; 437extern bool not_failing_only; 438extern bool show_fd_path; 439extern bool tracing_paths; 440extern unsigned int xflag; 441extern unsigned int followfork; 442extern unsigned int ptrace_setoptions; 443extern unsigned int max_strlen; 444 445enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 }; 446 447void error_msg(const char *fmt, ...) __attribute__ ((format(printf, 1, 2))); 448void perror_msg(const char *fmt, ...) __attribute__ ((format(printf, 1, 2))); 449void error_msg_and_die(const char *fmt, ...) __attribute__ ((noreturn, format(printf, 1, 2))); 450void perror_msg_and_die(const char *fmt, ...) __attribute__ ((noreturn, format(printf, 1, 2))); 451void die_out_of_memory(void) __attribute__ ((noreturn)); 452 453extern void set_personality(int personality); 454extern const char *xlookup(const struct xlat *, int); 455 456extern void set_sortby(const char *); 457extern void set_overhead(int); 458extern void qualify(const char *); 459extern int ptrace_restart(int request, struct tcb *tcp, int sig); 460extern int trace_syscall(struct tcb *); 461extern void count_syscall(struct tcb *, struct timeval *); 462extern void printxval(const struct xlat *, int, const char *); 463extern int printargs(struct tcb *); 464extern int printargs_lu(struct tcb *); 465extern int printargs_ld(struct tcb *); 466extern void addflags(const struct xlat *, int); 467extern int printflags(const struct xlat *, int, const char *); 468extern const char *sprintflags(const char *, const struct xlat *, int); 469extern int umoven(struct tcb *, long, int, char *); 470extern int umovestr(struct tcb *, long, int, char *); 471extern int upeek(struct tcb *, long, long *); 472extern void dumpiov(struct tcb *, int, long); 473extern void dumpstr(struct tcb *, long, int); 474extern void printstr(struct tcb *, long, int); 475extern void printnum(struct tcb *, long, const char *); 476extern void printnum_int(struct tcb *, long, const char *); 477extern void printpath(struct tcb *, long); 478extern void printpathn(struct tcb *, long, int); 479#define TIMESPEC_TEXT_BUFSIZE (sizeof(long)*3 * 2 + sizeof("{%u, %u}")) 480#define TIMEVAL_TEXT_BUFSIZE TIMESPEC_TEXT_BUFSIZE 481extern void printtv_bitness(struct tcb *, long, enum bitness_t, int); 482extern char *sprinttv(char *, struct tcb *, long, enum bitness_t, int special); 483extern void print_timespec(struct tcb *, long); 484extern void sprint_timespec(char *, struct tcb *, long); 485#ifdef HAVE_SIGINFO_T 486extern void printsiginfo(siginfo_t *, int); 487#endif 488extern const char *getfdpath(struct tcb *, int); 489extern void printfd(struct tcb *, int); 490extern void printsock(struct tcb *, long, int); 491extern void print_sock_optmgmt(struct tcb *, long, int); 492extern void printrusage(struct tcb *, long); 493#ifdef ALPHA 494extern void printrusage32(struct tcb *, long); 495#endif 496extern void printuid(const char *, unsigned long); 497/* 498 * On Linux, "setbpt" is a misnomer: we don't set a breakpoint 499 * (IOW: no poking in user's text segment), 500 * instead we change fork/vfork/clone into clone(CLONE_PTRACE). 501 * On newer kernels, we use PTRACE_O_TRACECLONE/TRACE[V]FORK instead. 502 */ 503extern int setbpt(struct tcb *); 504extern int clearbpt(struct tcb *); 505extern void printcall(struct tcb *); 506extern const char *signame(int); 507extern void print_sigset(struct tcb *, long, int); 508extern void printsignal(int); 509 510extern void call_summary(FILE *); 511extern void tprint_iov(struct tcb *, unsigned long, unsigned long, int decode_iov); 512extern void tprint_open_modes(mode_t); 513extern const char *sprint_open_modes(mode_t); 514extern int is_restart_error(struct tcb *); 515 516extern int pathtrace_select(const char *); 517extern int pathtrace_match(struct tcb *); 518 519extern int internal_fork(struct tcb *); 520extern int internal_exec(struct tcb *); 521 522extern const struct ioctlent *ioctl_lookup(long); 523extern const struct ioctlent *ioctl_next_match(const struct ioctlent *); 524extern int ioctl_decode(struct tcb *, long, long); 525extern int term_ioctl(struct tcb *, long, long); 526extern int sock_ioctl(struct tcb *, long, long); 527extern int proc_ioctl(struct tcb *, int, int); 528extern int rtc_ioctl(struct tcb *, long, long); 529extern int scsi_ioctl(struct tcb *, long, long); 530extern int block_ioctl(struct tcb *, long, long); 531 532extern int tv_nz(struct timeval *); 533extern int tv_cmp(struct timeval *, struct timeval *); 534extern double tv_float(struct timeval *); 535extern void tv_add(struct timeval *, struct timeval *, struct timeval *); 536extern void tv_sub(struct timeval *, struct timeval *, struct timeval *); 537extern void tv_mul(struct timeval *, struct timeval *, int); 538extern void tv_div(struct timeval *, struct timeval *, int); 539 540#if defined(SPARC) || defined(SPARC64) || defined(IA64) || defined(SH) 541extern long getrval2(struct tcb *); 542#endif 543 544/* Strace log generation machinery. 545 * 546 * printing_tcp: tcb which has incomplete line being printed right now. 547 * NULL if last line has been completed ('\n'-terminated). 548 * printleader(tcp) examines it, finishes incomplete line if needed, 549 * the sets it to tcp. 550 * line_ended() clears printing_tcp and resets ->curcol = 0. 551 * tcp->curcol == 0 check is also used to detect completeness 552 * of last line, since in -ff mode just checking printing_tcp for NULL 553 * is not enough. 554 * 555 * If you change this code, test log generation in both -f and -ff modes 556 * using: 557 * strace -oLOG -f[f] test/threaded_execve 558 * strace -oLOG -f[f] test/sigkill_rain 559 * strace -oLOG -f[f] -p "`pidof web_browser`" 560 */ 561extern struct tcb *printing_tcp; 562extern void printleader(struct tcb *); 563extern void line_ended(void); 564extern void tabto(void); 565extern void tprintf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); 566extern void tprints(const char *str); 567 568#define umove(pid, addr, objp) \ 569 umoven((pid), (addr), sizeof *(objp), (char *) (objp)) 570 571#define printtv(tcp, addr) \ 572 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0) 573#define printtv_special(tcp, addr) \ 574 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1) 575 576extern int current_personality; 577extern const int personality_wordsize[]; 578 579struct sysent { 580 unsigned nargs; 581 int sys_flags; 582 int (*sys_func)(); 583 const char *sys_name; 584}; 585 586struct ioctlent { 587 const char *doth; 588 const char *symbol; 589 unsigned long code; 590}; 591 592extern const struct sysent *sysent; 593extern unsigned nsyscalls; 594extern const char *const *errnoent; 595extern unsigned nerrnos; 596extern const struct ioctlent *ioctlent; 597extern unsigned nioctlents; 598extern const char *const *signalent; 599extern unsigned nsignals; 600 601#define SCNO_IN_RANGE(scno) \ 602 ((unsigned long)(scno) < nsyscalls && sysent[scno].sys_func) 603 604#if HAVE_LONG_LONG 605 606/* _l refers to the lower numbered u_arg, 607 * _h refers to the higher numbered u_arg 608 */ 609 610#if HAVE_LITTLE_ENDIAN_LONG_LONG 611#define LONG_LONG(_l,_h) \ 612 ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32))) 613#else 614#define LONG_LONG(_l,_h) \ 615 ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32))) 616#endif 617 618extern int printllval(struct tcb *, const char *, int); 619#endif 620