| /* |
| * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl> |
| * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl> |
| * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com> |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * $Id$ |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| # include "config.h" |
| #endif |
| |
| #ifdef MIPS |
| # include <sgidefs.h> |
| #endif |
| |
| #include <features.h> |
| |
| #ifdef _LARGEFILE64_SOURCE |
| /* This is the macro everything checks before using foo64 names. */ |
| # ifndef _LFS64_LARGEFILE |
| # define _LFS64_LARGEFILE 1 |
| # endif |
| #endif |
| |
| /* Configuration section */ |
| #ifndef MAX_QUALS |
| # if defined(MIPS) |
| # define MAX_QUALS 7000 /* maximum number of syscalls, signals, etc. */ |
| # else |
| # define MAX_QUALS 2048 /* maximum number of syscalls, signals, etc. */ |
| # endif |
| #endif |
| #ifndef DEFAULT_STRLEN |
| /* default maximum # of bytes printed in `printstr', change with -s switch */ |
| # define DEFAULT_STRLEN 32 |
| #endif |
| #ifndef DEFAULT_ACOLUMN |
| # define DEFAULT_ACOLUMN 40 /* default alignment column for results */ |
| #endif |
| |
| /* Maximum number of args to a syscall. |
| * |
| * Make sure that all entries in all syscallent.h files have nargs <= MAX_ARGS! |
| * linux/<ARCH>/syscallent.h: all have nargs <= 6. |
| */ |
| #ifndef MAX_ARGS |
| # define MAX_ARGS 6 |
| #endif |
| |
| #ifndef DEFAULT_SORTBY |
| # define DEFAULT_SORTBY "time" /* default sorting method for call profiling */ |
| #endif |
| |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <ctype.h> |
| #include <string.h> |
| #include <time.h> |
| #include <sys/time.h> |
| #include <errno.h> |
| |
| #ifdef HAVE_STDBOOL_H |
| # include <stdbool.h> |
| #endif |
| |
| #ifdef STDC_HEADERS |
| # include <stddef.h> |
| #endif /* STDC_HEADERS */ |
| |
| #ifdef HAVE_SIGINFO_T |
| # include <signal.h> |
| #endif |
| |
| #if defined(SPARC) || defined(SPARC64) |
| # define LINUXSPARC |
| #endif |
| #if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI32 |
| # define LINUX_MIPSO32 |
| #endif |
| #if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_NABI32 |
| # define LINUX_MIPSN32 |
| # define LINUX_MIPS64 |
| #endif |
| #if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI64 |
| # define LINUX_MIPSN64 |
| # define LINUX_MIPS64 |
| #endif |
| |
| #if (defined(LINUXSPARC) || defined(X86_64) || defined(ARM) || defined(AVR32)) && defined(__GLIBC__) |
| # include <sys/ptrace.h> |
| #else |
| /* Work around awkward prototype in ptrace.h. */ |
| # define ptrace xptrace |
| # include <sys/ptrace.h> |
| # undef ptrace |
| # ifdef POWERPC |
| # define __KERNEL__ |
| # include <asm/ptrace.h> |
| # undef __KERNEL__ |
| # endif |
| extern long ptrace(int, int, char *, long); |
| #endif |
| |
| #if !defined(__GLIBC__) |
| # define PTRACE_PEEKUSER PTRACE_PEEKUSR |
| # define PTRACE_POKEUSER PTRACE_POKEUSR |
| #endif |
| #if defined(X86_64) || defined(I386) |
| /* For struct pt_regs. x86 strace uses PTRACE_GETREGS. |
| * PTRACE_GETREGS returns registers in the layout of this struct. |
| */ |
| # include <asm/ptrace.h> |
| #endif |
| #ifdef ALPHA |
| # define REG_R0 0 |
| # define REG_A0 16 |
| # define REG_A3 19 |
| # define REG_FP 30 |
| # define REG_PC 64 |
| #endif /* ALPHA */ |
| #ifdef MIPS |
| # define REG_V0 2 |
| # define REG_A0 4 |
| # define REG_A3 7 |
| # define REG_SP 29 |
| # define REG_EPC 64 |
| #endif /* MIPS */ |
| #ifdef HPPA |
| # define PT_GR20 (20*4) |
| # define PT_GR26 (26*4) |
| # define PT_GR28 (28*4) |
| # define PT_IAOQ0 (106*4) |
| # define PT_IAOQ1 (107*4) |
| #endif /* HPPA */ |
| #ifdef SH64 |
| /* SH64 Linux - this code assumes the following kernel API for system calls: |
| PC Offset 0 |
| System Call Offset 16 (actually, (syscall no.) | (0x1n << 16), |
| where n = no. of parameters. |
| Other regs Offset 24+ |
| |
| On entry: R2-7 = parameters 1-6 (as many as necessary) |
| On return: R9 = result. */ |
| |
| /* Offset for peeks of registers */ |
| # define REG_OFFSET (24) |
| # define REG_GENERAL(x) (8*(x)+REG_OFFSET) |
| # define REG_PC (0*8) |
| # define REG_SYSCALL (2*8) |
| #endif /* SH64 */ |
| |
| #define SUPPORTED_PERSONALITIES 1 |
| #define DEFAULT_PERSONALITY 0 |
| |
| #ifdef LINUXSPARC |
| /* Indexes into the pt_regs.u_reg[] array -- UREG_XX from kernel are all off |
| * by 1 and use Ix instead of Ox. These work for both 32 and 64 bit Linux. */ |
| # define U_REG_G1 0 |
| # define U_REG_O0 7 |
| # define U_REG_O1 8 |
| # define PERSONALITY0_WORDSIZE 4 |
| # define PERSONALITY1_WORDSIZE 4 |
| # undef SUPPORTED_PERSONALITIES |
| # if defined(SPARC64) |
| # include <asm/psrcompat.h> |
| # define SUPPORTED_PERSONALITIES 3 |
| # define PERSONALITY2_WORDSIZE 8 |
| # else |
| # include <asm/psr.h> |
| # define SUPPORTED_PERSONALITIES 2 |
| # endif /* SPARC64 */ |
| #endif /* LINUXSPARC */ |
| |
| #ifdef X86_64 |
| # undef SUPPORTED_PERSONALITIES |
| # define SUPPORTED_PERSONALITIES 2 |
| # define PERSONALITY0_WORDSIZE 8 |
| # define PERSONALITY1_WORDSIZE 4 |
| #endif |
| |
| #ifdef ARM |
| # undef SUPPORTED_PERSONALITIES |
| # define SUPPORTED_PERSONALITIES 2 |
| # define PERSONALITY0_WORDSIZE 4 |
| # define PERSONALITY1_WORDSIZE 4 |
| #endif |
| |
| #ifdef POWERPC64 |
| # undef SUPPORTED_PERSONALITIES |
| # define SUPPORTED_PERSONALITIES 2 |
| # define PERSONALITY0_WORDSIZE 8 |
| # define PERSONALITY1_WORDSIZE 4 |
| #endif |
| |
| #if !HAVE_DECL_PTRACE_SETOPTIONS |
| # define PTRACE_SETOPTIONS 0x4200 |
| #endif |
| #if !HAVE_DECL_PTRACE_GETEVENTMSG |
| # define PTRACE_GETEVENTMSG 0x4201 |
| #endif |
| #if !HAVE_DECL_PTRACE_GETSIGINFO |
| # define PTRACE_GETSIGINFO 0x4202 |
| #endif |
| |
| #if !HAVE_DECL_PTRACE_O_TRACESYSGOOD |
| # define PTRACE_O_TRACESYSGOOD 0x00000001 |
| #endif |
| #if !HAVE_DECL_PTRACE_O_TRACEFORK |
| # define PTRACE_O_TRACEFORK 0x00000002 |
| #endif |
| #if !HAVE_DECL_PTRACE_O_TRACEVFORK |
| # define PTRACE_O_TRACEVFORK 0x00000004 |
| #endif |
| #if !HAVE_DECL_PTRACE_O_TRACECLONE |
| # define PTRACE_O_TRACECLONE 0x00000008 |
| #endif |
| #if !HAVE_DECL_PTRACE_O_TRACEEXEC |
| # define PTRACE_O_TRACEEXEC 0x00000010 |
| #endif |
| #if !HAVE_DECL_PTRACE_O_TRACEEXIT |
| # define PTRACE_O_TRACEEXIT 0x00000040 |
| #endif |
| |
| #if !HAVE_DECL_PTRACE_EVENT_FORK |
| # define PTRACE_EVENT_FORK 1 |
| #endif |
| #if !HAVE_DECL_PTRACE_EVENT_VFORK |
| # define PTRACE_EVENT_VFORK 2 |
| #endif |
| #if !HAVE_DECL_PTRACE_EVENT_CLONE |
| # define PTRACE_EVENT_CLONE 3 |
| #endif |
| #if !HAVE_DECL_PTRACE_EVENT_EXEC |
| # define PTRACE_EVENT_EXEC 4 |
| #endif |
| #if !HAVE_DECL_PTRACE_EVENT_VFORK_DONE |
| # define PTRACE_EVENT_VFORK_DONE 5 |
| #endif |
| #if !HAVE_DECL_PTRACE_EVENT_EXIT |
| # define PTRACE_EVENT_EXIT 6 |
| #endif |
| |
| /* Experimental code using PTRACE_SEIZE can be enabled here: */ |
| //# define USE_SEIZE 1 |
| |
| #ifdef USE_SEIZE |
| # undef PTRACE_SEIZE |
| # define PTRACE_SEIZE 0x4206 |
| # undef PTRACE_INTERRUPT |
| # define PTRACE_INTERRUPT 0x4207 |
| # undef PTRACE_LISTEN |
| # define PTRACE_LISTEN 0x4208 |
| # undef PTRACE_SEIZE_DEVEL |
| # define PTRACE_SEIZE_DEVEL 0x80000000 |
| # undef PTRACE_EVENT_STOP |
| # define PTRACE_EVENT_STOP 7 |
| # define PTRACE_EVENT_STOP1 128 |
| #endif |
| |
| #if !defined __GNUC__ |
| # define __attribute__(x) /*nothing*/ |
| #endif |
| |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| |
| #if defined(I386) |
| extern struct pt_regs i386_regs; |
| #endif |
| |
| /* Trace Control Block */ |
| struct tcb { |
| int flags; /* See below for TCB_ values */ |
| int pid; /* Process Id of this entry */ |
| int u_nargs; /* System call argument count */ |
| int u_error; /* Error code */ |
| long scno; /* System call number */ |
| long u_arg[MAX_ARGS]; /* System call arguments */ |
| #if defined(LINUX_MIPSN32) |
| long long ext_arg[MAX_ARGS]; /* System call arguments */ |
| #endif |
| long u_rval; /* (first) return value */ |
| #ifdef HAVE_LONG_LONG |
| long long u_lrval; /* long long return value */ |
| #endif |
| int ptrace_errno; |
| #if SUPPORTED_PERSONALITIES > 1 |
| int currpers; /* Personality at the time of scno update */ |
| #endif |
| int curcol; /* Output column for this process */ |
| FILE *outf; /* Output file for this process */ |
| const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */ |
| struct timeval stime; /* System time usage as of last process wait */ |
| struct timeval dtime; /* Delta for system time usage */ |
| struct timeval etime; /* Syscall entry time */ |
| /* Support for tracing forked processes */ |
| long baddr; /* `Breakpoint' address */ |
| long inst[2]; /* Instructions on above */ |
| }; |
| |
| /* TCB flags */ |
| #define TCB_INUSE 00001 /* This table entry is in use */ |
| /* We have attached to this process, but did not see it stopping yet. |
| * (If this bit is not set, we either didn't attach yet, |
| * or we did attach to it, already saw it stopping at least once, |
| * did some init work on it and cleared this bit. TODO: maybe it makes sense |
| * to split these two states?) |
| */ |
| #define TCB_STARTUP 00002 |
| #define TCB_IGNORE_ONE_SIGSTOP 00004 /* Next SIGSTOP is to be ignored */ |
| /* |
| * Are we in system call entry or in syscall exit? |
| * |
| * This bit is set after all syscall entry processing is done. |
| * Therefore, this bit will be set when next ptrace stop occurs, |
| * which should be syscall exit stop. Other stops which are possible |
| * directly after syscall entry (death, ptrace event stop) |
| * are simpler and handled without calling trace_syscall(), therefore |
| * the places where TCB_INSYSCALL can be set but we aren't in syscall stop |
| * are limited to trace(), this condition is never observed in trace_syscall() |
| * and below. |
| * The bit is cleared after all syscall exit processing is done. |
| * User-generated SIGTRAPs and post-execve SIGTRAP make it necessary |
| * to be very careful and NOT set TCB_INSYSCALL bit when they are encountered. |
| * TCB_WAITEXECVE bit is used for this purpose (see below). |
| * |
| * Use entering(tcp) / exiting(tcp) to check this bit to make code more readable. |
| */ |
| #define TCB_INSYSCALL 00010 |
| #define TCB_ATTACHED 00020 /* It is attached already */ |
| /* Are we PROG from "strace PROG [ARGS]" invocation? */ |
| #define TCB_STRACE_CHILD 00040 |
| #define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */ |
| #define TCB_REPRINT 01000 /* We should reprint this syscall on exit */ |
| #define TCB_FILTERED 02000 /* This system call has been filtered out */ |
| /* x86 does not need TCB_WAITEXECVE. |
| * It can detect SIGTRAP by looking at eax/rax. |
| * See "not a syscall entry (eax = %ld)\n" message |
| * in syscall_fixup_on_sysenter(). |
| */ |
| #if defined(ALPHA) || defined(AVR32) || defined(SPARC) || defined(SPARC64) \ |
| || defined(POWERPC) || defined(IA64) || defined(HPPA) \ |
| || defined(SH) || defined(SH64) || defined(S390) || defined(S390X) \ |
| || defined(ARM) || defined(MIPS) || defined(BFIN) || defined(TILE) |
| /* This tracee has entered into execve syscall. Expect post-execve SIGTRAP |
| * to happen. (When it is detected, tracee is continued and this bit is cleared.) |
| */ |
| # define TCB_WAITEXECVE 04000 |
| #endif |
| #include <sys/syscall.h> |
| |
| /* qualifier flags */ |
| #define QUAL_TRACE 0001 /* this system call should be traced */ |
| #define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */ |
| #define QUAL_VERBOSE 0004 /* decode the structures of this syscall */ |
| #define QUAL_RAW 0010 /* print all args in hex for this syscall */ |
| #define QUAL_SIGNAL 0020 /* report events with this signal */ |
| #define QUAL_FAULT 0040 /* report events with this fault */ |
| #define QUAL_READ 0100 /* dump data read on this file descriptor */ |
| #define QUAL_WRITE 0200 /* dump data written to this file descriptor */ |
| |
| #define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL)) |
| #define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL) |
| #define syserror(tcp) ((tcp)->u_error != 0) |
| #define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE) |
| #define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV) |
| #define filtered(tcp) ((tcp)->flags & TCB_FILTERED) |
| |
| struct xlat { |
| int val; |
| const char *str; |
| }; |
| |
| extern const struct xlat open_mode_flags[]; |
| extern const struct xlat addrfams[]; |
| extern const struct xlat struct_user_offsets[]; |
| extern const struct xlat open_access_modes[]; |
| |
| /* Format of syscall return values */ |
| #define RVAL_DECIMAL 000 /* decimal format */ |
| #define RVAL_HEX 001 /* hex format */ |
| #define RVAL_OCTAL 002 /* octal format */ |
| #define RVAL_UDECIMAL 003 /* unsigned decimal format */ |
| #define RVAL_LDECIMAL 004 /* long decimal format */ |
| #define RVAL_LHEX 005 /* long hex format */ |
| #define RVAL_LOCTAL 006 /* long octal format */ |
| #define RVAL_LUDECIMAL 007 /* long unsigned decimal format */ |
| #define RVAL_MASK 007 /* mask for these values */ |
| |
| #define RVAL_STR 010 /* Print `auxstr' field after return val */ |
| #define RVAL_NONE 020 /* Print nothing */ |
| |
| #ifndef offsetof |
| # define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \ |
| ((char *) (type *) NULL)) |
| #endif |
| |
| /* get offset of member within a user struct */ |
| #define uoff(member) offsetof(struct user, member) |
| |
| #define TRACE_FILE 001 /* Trace file-related syscalls. */ |
| #define TRACE_IPC 002 /* Trace IPC-related syscalls. */ |
| #define TRACE_NETWORK 004 /* Trace network-related syscalls. */ |
| #define TRACE_PROCESS 010 /* Trace process-related syscalls. */ |
| #define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */ |
| #define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */ |
| #define SYSCALL_NEVER_FAILS 0100 /* Syscall is always successful. */ |
| |
| typedef enum { |
| CFLAG_NONE = 0, |
| CFLAG_ONLY_STATS, |
| CFLAG_BOTH |
| } cflag_t; |
| |
| extern int *qual_flags; |
| extern int debug, followfork; |
| extern unsigned int ptrace_setoptions; |
| extern int dtime, xflag, qflag; |
| extern cflag_t cflag; |
| extern int max_strlen; |
| enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 }; |
| |
| void error_msg(const char *fmt, ...) __attribute__ ((format(printf, 1, 2))); |
| void perror_msg(const char *fmt, ...) __attribute__ ((format(printf, 1, 2))); |
| void error_msg_and_die(const char *fmt, ...) __attribute__ ((noreturn, format(printf, 1, 2))); |
| void perror_msg_and_die(const char *fmt, ...) __attribute__ ((noreturn, format(printf, 1, 2))); |
| void die_out_of_memory(void) __attribute__ ((noreturn)); |
| |
| extern void set_personality(int personality); |
| extern const char *xlookup(const struct xlat *, int); |
| extern struct tcb *alloc_tcb(int, int); |
| extern void droptcb(struct tcb *); |
| |
| #define alloctcb(pid) alloc_tcb((pid), 1) |
| |
| extern void set_sortby(const char *); |
| extern void set_overhead(int); |
| extern void qualify(const char *); |
| extern int ptrace_restart(int request, struct tcb *tcp, int sig); |
| extern int trace_syscall(struct tcb *); |
| extern void count_syscall(struct tcb *, struct timeval *); |
| extern void printxval(const struct xlat *, int, const char *); |
| extern int printargs(struct tcb *); |
| extern int printargs_lu(struct tcb *); |
| extern int printargs_ld(struct tcb *); |
| extern void addflags(const struct xlat *, int); |
| extern int printflags(const struct xlat *, int, const char *); |
| extern const char *sprintflags(const char *, const struct xlat *, int); |
| extern int umoven(struct tcb *, long, int, char *); |
| extern int umovestr(struct tcb *, long, int, char *); |
| extern int upeek(struct tcb *, long, long *); |
| extern void dumpiov(struct tcb *, int, long); |
| extern void dumpstr(struct tcb *, long, int); |
| extern void printstr(struct tcb *, long, int); |
| extern void printnum(struct tcb *, long, const char *); |
| extern void printnum_int(struct tcb *, long, const char *); |
| extern void printpath(struct tcb *, long); |
| extern void printpathn(struct tcb *, long, int); |
| #define TIMESPEC_TEXT_BUFSIZE (sizeof(long)*3 * 2 + sizeof("{%u, %u}")) |
| #define TIMEVAL_TEXT_BUFSIZE TIMESPEC_TEXT_BUFSIZE |
| extern void printtv_bitness(struct tcb *, long, enum bitness_t, int); |
| extern char *sprinttv(char *, struct tcb *, long, enum bitness_t, int special); |
| extern void print_timespec(struct tcb *, long); |
| extern void sprint_timespec(char *, struct tcb *, long); |
| #ifdef HAVE_SIGINFO_T |
| extern void printsiginfo(siginfo_t *, int); |
| #endif |
| extern const char *getfdpath(struct tcb *, int); |
| extern void printfd(struct tcb *, int); |
| extern void printsock(struct tcb *, long, int); |
| extern void print_sock_optmgmt(struct tcb *, long, int); |
| extern void printrusage(struct tcb *, long); |
| #ifdef ALPHA |
| extern void printrusage32(struct tcb *, long); |
| #endif |
| extern void printuid(const char *, unsigned long); |
| extern int clearbpt(struct tcb *); |
| /* |
| * On Linux, "setbpt" is a misnomer: we don't set a breakpoint |
| * (IOW: no poking in user's text segment), |
| * instead we change fork/vfork/clone into clone(CLONE_PTRACE). |
| * On newer kernels, we use PTRACE_O_TRACECLONE/TRACE[V]FORK instead. |
| */ |
| extern int setbpt(struct tcb *); |
| extern void printcall(struct tcb *); |
| extern const char *signame(int); |
| extern void print_sigset(struct tcb *, long, int); |
| extern void printsignal(int); |
| |
| |
| extern void call_summary(FILE *); |
| extern void tprint_iov(struct tcb *, unsigned long, unsigned long, int decode_iov); |
| extern void tprint_open_modes(mode_t); |
| extern const char *sprint_open_modes(mode_t); |
| extern int is_restart_error(struct tcb *); |
| |
| extern int pathtrace_select(const char *); |
| extern int pathtrace_match(struct tcb *); |
| |
| extern int change_syscall(struct tcb *, int); |
| extern int internal_fork(struct tcb *); |
| extern int internal_exec(struct tcb *); |
| |
| extern const struct ioctlent *ioctl_lookup(long); |
| extern const struct ioctlent *ioctl_next_match(const struct ioctlent *); |
| extern int ioctl_decode(struct tcb *, long, long); |
| extern int term_ioctl(struct tcb *, long, long); |
| extern int sock_ioctl(struct tcb *, long, long); |
| extern int proc_ioctl(struct tcb *, int, int); |
| extern int rtc_ioctl(struct tcb *, long, long); |
| extern int scsi_ioctl(struct tcb *, long, long); |
| extern int block_ioctl(struct tcb *, long, long); |
| |
| extern int tv_nz(struct timeval *); |
| extern int tv_cmp(struct timeval *, struct timeval *); |
| extern double tv_float(struct timeval *); |
| extern void tv_add(struct timeval *, struct timeval *, struct timeval *); |
| extern void tv_sub(struct timeval *, struct timeval *, struct timeval *); |
| extern void tv_mul(struct timeval *, struct timeval *, int); |
| extern void tv_div(struct timeval *, struct timeval *, int); |
| |
| #if !defined HAVE_STPCPY |
| /* Some libc have stpcpy, some don't. Sigh... |
| * Roll our private implementation... |
| */ |
| #undef stpcpy |
| #define stpcpy strace_stpcpy |
| extern char *stpcpy(char *dst, const char *src); |
| #endif |
| |
| #if defined(SPARC) || defined(SPARC64) || defined(IA64) || defined(SH) |
| extern long getrval2(struct tcb *); |
| #endif |
| |
| /* Strace log generation machinery. |
| * |
| * printing_tcp: tcb which has incomplete line being printed right now. |
| * NULL if last line has been completed ('\n'-terminated). |
| * printleader(tcp) examines it, finishes incomplete line if needed, |
| * the sets it to tcp. |
| * line_ended() clears printing_tcp and resets ->curcol = 0. |
| * tcp->curcol == 0 check is also used to detect completeness |
| * of last line, since in -ff mode just checking printing_tcp for NULL |
| * is not enough. |
| * |
| * If you change this code, test log generation in both -f and -ff modes |
| * using: |
| * strace -oLOG -f[f] test/threaded_execve |
| * strace -oLOG -f[f] test/sigkill_rain |
| * strace -oLOG -f[f] -p "`pidof web_browser`" |
| */ |
| extern struct tcb *printing_tcp; |
| extern void printleader(struct tcb *); |
| extern void line_ended(void); |
| extern void tabto(void); |
| extern void tprintf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); |
| extern void tprints(const char *str); |
| |
| #define umove(pid, addr, objp) \ |
| umoven((pid), (addr), sizeof *(objp), (char *) (objp)) |
| |
| #define printtv(tcp, addr) \ |
| printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0) |
| #define printtv_special(tcp, addr) \ |
| printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1) |
| |
| #ifndef HAVE_STRERROR |
| const char *strerror(int); |
| #endif |
| #ifndef HAVE_STRSIGNAL |
| const char *strsignal(int); |
| #endif |
| |
| extern int current_personality; |
| extern const int personality_wordsize[]; |
| |
| struct sysent { |
| unsigned nargs; |
| int sys_flags; |
| int (*sys_func)(); |
| const char *sys_name; |
| }; |
| |
| struct ioctlent { |
| const char *doth; |
| const char *symbol; |
| unsigned long code; |
| }; |
| |
| extern const struct sysent *sysent; |
| extern unsigned nsyscalls; |
| extern const char *const *errnoent; |
| extern unsigned nerrnos; |
| extern const struct ioctlent *ioctlent; |
| extern unsigned nioctlents; |
| extern const char *const *signalent; |
| extern unsigned nsignals; |
| |
| #define SCNO_IN_RANGE(scno) \ |
| ((unsigned long)(scno) < nsyscalls && sysent[scno].sys_func) |
| |
| #if HAVE_LONG_LONG |
| |
| /* _l refers to the lower numbered u_arg, |
| * _h refers to the higher numbered u_arg |
| */ |
| |
| #if HAVE_LITTLE_ENDIAN_LONG_LONG |
| #define LONG_LONG(_l,_h) \ |
| ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32))) |
| #else |
| #define LONG_LONG(_l,_h) \ |
| ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32))) |
| #endif |
| |
| extern int printllval(struct tcb *, const char *, int); |
| #endif |
| |
| #ifdef IA64 |
| extern long ia32; |
| #endif |
| |
| extern int not_failing_only; |
| extern int show_fd_path; |
| extern int tracing_paths; |