Dmitry V. Levin
4bf7ab7005
There is no need to declare mpers printers in defs.h because
they are already declared in printers.h or native_printer_decls.h.
This complements commit 1e56814f77.
* defs.h (v4l2_ioctl): Remove.
843 lines
29 KiB
C
843 lines
29 KiB
C
/*
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* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
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* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
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* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <features.h>
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#ifdef HAVE_STDBOOL_H
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# include <stdbool.h>
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#endif
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#include <stdint.h>
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#include <inttypes.h>
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#include <sys/types.h>
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#ifdef STDC_HEADERS
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# include <stddef.h>
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#endif
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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/* Open-coding isprint(ch) et al proved more efficient than calling
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* generalized libc interface. We don't *want* to do non-ASCII anyway.
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*/
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/* #include <ctype.h> */
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#include <string.h>
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#include <errno.h>
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#include <time.h>
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#include <sys/time.h>
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#include <sys/syscall.h>
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#include "mpers_type.h"
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#include "gcc_compat.h"
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#ifndef HAVE_STRERROR
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const char *strerror(int);
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#endif
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#ifndef HAVE_STPCPY
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/* Some libc have stpcpy, some don't. Sigh...
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* Roll our private implementation...
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*/
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#undef stpcpy
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#define stpcpy strace_stpcpy
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extern char *stpcpy(char *dst, const char *src);
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#endif
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#ifndef offsetof
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# define offsetof(type, member) \
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(((char *) &(((type *) NULL)->member)) - ((char *) (type *) NULL))
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#endif
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
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/* macros */
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#ifndef MAX
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# define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#endif
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#ifndef MIN
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# define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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#define CLAMP(val, min, max) MIN(MAX(min, val), max)
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/* Glibc has an efficient macro for sigemptyset
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* (it just does one or two assignments of 0 to internal vector of longs).
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*/
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#if defined(__GLIBC__) && defined(__sigemptyset) && !defined(sigemptyset)
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# define sigemptyset __sigemptyset
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#endif
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/* Configuration section */
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#ifndef DEFAULT_STRLEN
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/* default maximum # of bytes printed in `printstr', change with -s switch */
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# define DEFAULT_STRLEN 32
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#endif
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#ifndef DEFAULT_ACOLUMN
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# define DEFAULT_ACOLUMN 40 /* default alignment column for results */
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#endif
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/*
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* Maximum number of args to a syscall.
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*
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* Make sure that all entries in all syscallent.h files have nargs <= MAX_ARGS!
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* linux/<ARCH>/syscallent*.h:
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* all have nargs <= 6 except mips o32 which has nargs <= 7.
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*/
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#ifndef MAX_ARGS
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# ifdef LINUX_MIPSO32
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# define MAX_ARGS 7
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# else
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# define MAX_ARGS 6
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# endif
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#endif
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/* default sorting method for call profiling */
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#ifndef DEFAULT_SORTBY
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# define DEFAULT_SORTBY "time"
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#endif
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/*
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* Experimental code using PTRACE_SEIZE can be enabled here.
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* This needs Linux kernel 3.4.x or later to work.
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*/
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#define USE_SEIZE 1
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/* To force NOMMU build, set to 1 */
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#define NOMMU_SYSTEM 0
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/*
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* Set to 1 to use speed-optimized vfprintf implementation.
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* It results in strace using about 5% less CPU in user space
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* (compared to glibc version).
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* But strace spends a lot of time in kernel space,
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* so overall it does not appear to be a significant win.
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* Thus disabled by default.
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*/
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#define USE_CUSTOM_PRINTF 0
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#ifndef ERESTARTSYS
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# define ERESTARTSYS 512
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#endif
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#ifndef ERESTARTNOINTR
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# define ERESTARTNOINTR 513
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#endif
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#ifndef ERESTARTNOHAND
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# define ERESTARTNOHAND 514
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#endif
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#ifndef ERESTART_RESTARTBLOCK
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# define ERESTART_RESTARTBLOCK 516
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#endif
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#if defined(SPARC) || defined(SPARC64)
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# define PERSONALITY0_WORDSIZE 4
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# if defined(SPARC64)
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# define SUPPORTED_PERSONALITIES 2
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# define PERSONALITY1_WORDSIZE 8
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# ifdef HAVE_M32_MPERS
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# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
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# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
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# endif
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# endif
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#endif
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#ifdef X86_64
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# define SUPPORTED_PERSONALITIES 3
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# define PERSONALITY0_WORDSIZE 8
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# define PERSONALITY1_WORDSIZE 4
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# define PERSONALITY2_WORDSIZE 4
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# ifdef HAVE_M32_MPERS
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# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
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# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
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# endif
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# ifdef HAVE_MX32_MPERS
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# define PERSONALITY2_INCLUDE_FUNCS "mx32_funcs.h"
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# define PERSONALITY2_INCLUDE_PRINTERS_DECLS "mx32_printer_decls.h"
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# define PERSONALITY2_INCLUDE_PRINTERS_DEFS "mx32_printer_defs.h"
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# define MPERS_mx32_IOCTL_MACROS "ioctl_redefs2.h"
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# endif
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#endif
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#ifdef X32
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# define SUPPORTED_PERSONALITIES 2
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# define PERSONALITY0_WORDSIZE 4
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# define PERSONALITY1_WORDSIZE 4
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# ifdef HAVE_M32_MPERS
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# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
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# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
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# endif
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#endif
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#ifdef ARM
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/* one personality */
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#endif
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#ifdef AARCH64
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/* The existing ARM personality, then AArch64 */
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# define SUPPORTED_PERSONALITIES 2
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# define PERSONALITY0_WORDSIZE 8
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# define PERSONALITY1_WORDSIZE 4
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# ifdef HAVE_M32_MPERS
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# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
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# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
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# endif
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#endif
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#ifdef POWERPC64
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# define SUPPORTED_PERSONALITIES 2
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# define PERSONALITY0_WORDSIZE 8
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# define PERSONALITY1_WORDSIZE 4
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# ifdef HAVE_M32_MPERS
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# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
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# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
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# endif
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#endif
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#ifdef TILE
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# define SUPPORTED_PERSONALITIES 2
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# define PERSONALITY0_WORDSIZE 8
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# define PERSONALITY1_WORDSIZE 4
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# ifdef __tilepro__
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# define DEFAULT_PERSONALITY 1
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# endif
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# ifdef HAVE_M32_MPERS
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# define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h"
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# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h"
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# define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h"
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# endif
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#endif
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#ifndef SUPPORTED_PERSONALITIES
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# define SUPPORTED_PERSONALITIES 1
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#endif
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#ifndef DEFAULT_PERSONALITY
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# define DEFAULT_PERSONALITY 0
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#endif
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#ifndef PERSONALITY0_WORDSIZE
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# define PERSONALITY0_WORDSIZE SIZEOF_LONG
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#endif
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#ifndef PERSONALITY0_INCLUDE_PRINTERS_DECLS
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# define PERSONALITY0_INCLUDE_PRINTERS_DECLS "native_printer_decls.h"
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#endif
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#ifndef PERSONALITY0_INCLUDE_PRINTERS_DEFS
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# define PERSONALITY0_INCLUDE_PRINTERS_DEFS "native_printer_defs.h"
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#endif
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#ifndef PERSONALITY1_INCLUDE_PRINTERS_DECLS
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# define PERSONALITY1_INCLUDE_PRINTERS_DECLS "native_printer_decls.h"
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#endif
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#ifndef PERSONALITY1_INCLUDE_PRINTERS_DEFS
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# define PERSONALITY1_INCLUDE_PRINTERS_DEFS "native_printer_defs.h"
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#endif
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#ifndef PERSONALITY2_INCLUDE_PRINTERS_DECLS
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# define PERSONALITY2_INCLUDE_PRINTERS_DECLS "native_printer_decls.h"
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#endif
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#ifndef PERSONALITY2_INCLUDE_PRINTERS_DEFS
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# define PERSONALITY2_INCLUDE_PRINTERS_DEFS "native_printer_defs.h"
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#endif
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#ifndef PERSONALITY1_INCLUDE_FUNCS
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# define PERSONALITY1_INCLUDE_FUNCS "empty.h"
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#endif
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#ifndef PERSONALITY2_INCLUDE_FUNCS
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# define PERSONALITY2_INCLUDE_FUNCS "empty.h"
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#endif
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typedef struct sysent {
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unsigned nargs;
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int sys_flags;
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int sen;
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int (*sys_func)();
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const char *sys_name;
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} struct_sysent;
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typedef struct ioctlent {
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const char *symbol;
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unsigned int code;
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} struct_ioctlent;
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/* Trace Control Block */
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struct tcb {
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int flags; /* See below for TCB_ values */
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int pid; /* If 0, this tcb is free */
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int qual_flg; /* qual_flags[scno] or DEFAULT_QUAL_FLAGS + RAW */
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int u_error; /* Error code */
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long scno; /* System call number */
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long u_arg[MAX_ARGS]; /* System call arguments */
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#if defined(LINUX_MIPSN32) || defined(X32)
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long long ext_arg[MAX_ARGS];
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long long u_lrval; /* long long return value */
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#endif
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long u_rval; /* Return value */
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#if SUPPORTED_PERSONALITIES > 1
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unsigned int currpers; /* Personality at the time of scno update */
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#endif
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int sys_func_rval; /* Syscall entry parser's return value */
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int curcol; /* Output column for this process */
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FILE *outf; /* Output file for this process */
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const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */
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const struct_sysent *s_ent; /* sysent[scno] or dummy struct for bad scno */
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const struct_sysent *s_prev_ent; /* for "resuming interrupted SYSCALL" msg */
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struct timeval stime; /* System time usage as of last process wait */
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struct timeval dtime; /* Delta for system time usage */
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struct timeval etime; /* Syscall entry time */
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#ifdef USE_LIBUNWIND
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struct UPT_info* libunwind_ui;
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struct mmap_cache_t* mmap_cache;
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unsigned int mmap_cache_size;
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unsigned int mmap_cache_generation;
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struct queue_t* queue;
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#endif
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};
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/* TCB flags */
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/* We have attached to this process, but did not see it stopping yet */
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#define TCB_STARTUP 0x01
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#define TCB_IGNORE_ONE_SIGSTOP 0x02 /* Next SIGSTOP is to be ignored */
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/*
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* Are we in system call entry or in syscall exit?
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*
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* This bit is set after all syscall entry processing is done.
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* Therefore, this bit will be set when next ptrace stop occurs,
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* which should be syscall exit stop. Other stops which are possible
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* directly after syscall entry (death, ptrace event stop)
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* are simpler and handled without calling trace_syscall(), therefore
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* the places where TCB_INSYSCALL can be set but we aren't in syscall stop
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* are limited to trace(), this condition is never observed in trace_syscall()
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* and below.
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* The bit is cleared after all syscall exit processing is done.
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*
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* Use entering(tcp) / exiting(tcp) to check this bit to make code more readable.
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*/
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#define TCB_INSYSCALL 0x04
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#define TCB_ATTACHED 0x08 /* We attached to it already */
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#define TCB_REPRINT 0x10 /* We should reprint this syscall on exit */
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#define TCB_FILTERED 0x20 /* This system call has been filtered out */
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/* qualifier flags */
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#define QUAL_TRACE 0x001 /* this system call should be traced */
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#define QUAL_ABBREV 0x002 /* abbreviate the structures of this syscall */
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#define QUAL_VERBOSE 0x004 /* decode the structures of this syscall */
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#define QUAL_RAW 0x008 /* print all args in hex for this syscall */
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#define QUAL_SIGNAL 0x010 /* report events with this signal */
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#define QUAL_READ 0x020 /* dump data read on this file descriptor */
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#define QUAL_WRITE 0x040 /* dump data written to this file descriptor */
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typedef uint8_t qualbits_t;
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#define UNDEFINED_SCNO 0x100 /* Used only in tcp->qual_flg */
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#define DEFAULT_QUAL_FLAGS (QUAL_TRACE | QUAL_ABBREV | QUAL_VERBOSE)
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#define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL))
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#define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL)
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#define syserror(tcp) ((tcp)->u_error != 0)
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#define verbose(tcp) ((tcp)->qual_flg & QUAL_VERBOSE)
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#define abbrev(tcp) ((tcp)->qual_flg & QUAL_ABBREV)
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#define filtered(tcp) ((tcp)->flags & TCB_FILTERED)
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#include "xlat.h"
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extern const struct xlat addrfams[];
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extern const struct xlat at_flags[];
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extern const struct xlat dirent_types[];
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extern const struct xlat open_access_modes[];
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extern const struct xlat open_mode_flags[];
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extern const struct xlat resource_flags[];
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extern const struct xlat whence_codes[];
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/* Format of syscall return values */
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#define RVAL_DECIMAL 000 /* decimal format */
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#define RVAL_HEX 001 /* hex format */
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#define RVAL_OCTAL 002 /* octal format */
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#define RVAL_UDECIMAL 003 /* unsigned decimal format */
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#if defined(LINUX_MIPSN32) || defined(X32)
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# if 0 /* unused so far */
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# define RVAL_LDECIMAL 004 /* long decimal format */
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# define RVAL_LHEX 005 /* long hex format */
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# define RVAL_LOCTAL 006 /* long octal format */
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# endif
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# define RVAL_LUDECIMAL 007 /* long unsigned decimal format */
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#endif
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#define RVAL_FD 010 /* file descriptor */
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#define RVAL_MASK 017 /* mask for these values */
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#define RVAL_STR 020 /* Print `auxstr' field after return val */
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#define RVAL_NONE 040 /* Print nothing */
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#define RVAL_DECODED 0100 /* syscall decoding finished */
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#define TRACE_FILE 001 /* Trace file-related syscalls. */
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#define TRACE_IPC 002 /* Trace IPC-related syscalls. */
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#define TRACE_NETWORK 004 /* Trace network-related syscalls. */
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#define TRACE_PROCESS 010 /* Trace process-related syscalls. */
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#define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */
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#define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */
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#define TRACE_MEMORY 0100 /* Trace memory mapping-related syscalls. */
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#define SYSCALL_NEVER_FAILS 0200 /* Syscall is always successful. */
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#define STACKTRACE_INVALIDATE_CACHE 0400 /* Trigger proc/maps cache updating */
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#define STACKTRACE_CAPTURE_ON_ENTER 01000 /* Capture stacktrace on "entering" stage */
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#define TRACE_INDIRECT_SUBCALL 02000 /* Syscall is an indirect socket/ipc subcall. */
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#define IOCTL_NUMBER_UNKNOWN 0
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#define IOCTL_NUMBER_HANDLED 1
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#define IOCTL_NUMBER_STOP_LOOKUP 010
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#define indirect_ipccall(tcp) (tcp->s_ent->sys_flags & TRACE_INDIRECT_SUBCALL)
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#if defined(ARM) || defined(AARCH64) \
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|| defined(I386) || defined(X32) || defined(X86_64) \
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|| defined(IA64) \
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|| defined(BFIN) \
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|| defined(M68K) \
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|| defined(MICROBLAZE) \
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|| defined(S390) \
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|| defined(SH) || defined(SH64) \
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|| defined(SPARC) || defined(SPARC64) \
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/**/
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# define NEED_UID16_PARSERS 1
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#else
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# define NEED_UID16_PARSERS 0
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#endif
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typedef enum {
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CFLAG_NONE = 0,
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CFLAG_ONLY_STATS,
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CFLAG_BOTH
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} cflag_t;
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extern cflag_t cflag;
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extern bool debug_flag;
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extern bool Tflag;
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extern bool iflag;
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extern bool count_wallclock;
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extern unsigned int qflag;
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extern bool not_failing_only;
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extern unsigned int show_fd_path;
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extern bool hide_log_until_execve;
|
|
/* are we filtering traces based on paths? */
|
|
extern const char **paths_selected;
|
|
#define tracing_paths (paths_selected != NULL)
|
|
extern unsigned xflag;
|
|
extern unsigned followfork;
|
|
#ifdef USE_LIBUNWIND
|
|
/* if this is true do the stack trace for every system call */
|
|
extern bool stack_trace_enabled;
|
|
#endif
|
|
extern unsigned ptrace_setoptions;
|
|
extern unsigned max_strlen;
|
|
extern unsigned os_release;
|
|
#undef KERNEL_VERSION
|
|
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
|
|
|
|
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_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
|
|
void error_msg_and_help(const char *fmt, ...)
|
|
ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
|
|
void perror_msg_and_die(const char *fmt, ...)
|
|
ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
|
|
void die_out_of_memory(void) ATTRIBUTE_NORETURN;
|
|
|
|
void *xmalloc(size_t size) ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1));
|
|
void *xcalloc(size_t nmemb, size_t size)
|
|
ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1, 2));
|
|
void *xreallocarray(void *ptr, size_t nmemb, size_t size)
|
|
ATTRIBUTE_ALLOC_SIZE((2, 3));
|
|
char *xstrdup(const char *str) ATTRIBUTE_MALLOC;
|
|
|
|
#if USE_CUSTOM_PRINTF
|
|
/*
|
|
* See comment in vsprintf.c for allowed formats.
|
|
* Short version: %h[h]u, %zu, %tu are not allowed, use %[l[l]]u.
|
|
*/
|
|
int strace_vfprintf(FILE *fp, const char *fmt, va_list args);
|
|
#else
|
|
# define strace_vfprintf vfprintf
|
|
#endif
|
|
|
|
extern void set_sortby(const char *);
|
|
extern void set_overhead(int);
|
|
extern void qualify(const char *);
|
|
extern void print_pc(struct tcb *);
|
|
extern int trace_syscall(struct tcb *);
|
|
extern void count_syscall(struct tcb *, const struct timeval *);
|
|
extern void call_summary(FILE *);
|
|
|
|
extern void clear_regs(void);
|
|
extern void get_regs(pid_t pid);
|
|
extern int get_scno(struct tcb *tcp);
|
|
extern const char *syscall_name(long scno);
|
|
|
|
extern bool is_erestart(struct tcb *);
|
|
extern void temporarily_clear_syserror(struct tcb *);
|
|
extern void restore_cleared_syserror(struct tcb *);
|
|
|
|
extern int umoven(struct tcb *, long, unsigned int, void *);
|
|
#define umove(pid, addr, objp) \
|
|
umoven((pid), (addr), sizeof(*(objp)), (void *) (objp))
|
|
extern int umoven_or_printaddr(struct tcb *, long, unsigned int, void *);
|
|
#define umove_or_printaddr(pid, addr, objp) \
|
|
umoven_or_printaddr((pid), (addr), sizeof(*(objp)), (void *) (objp))
|
|
extern int umovestr(struct tcb *, long, unsigned int, char *);
|
|
extern int upeek(int pid, long, long *);
|
|
|
|
extern bool
|
|
print_array(struct tcb *tcp,
|
|
const unsigned long start_addr,
|
|
const size_t nmemb,
|
|
void *const elem_buf,
|
|
const size_t elem_size,
|
|
int (*const umoven_func)(struct tcb *,
|
|
long,
|
|
unsigned int,
|
|
void *),
|
|
bool (*const print_func)(struct tcb *,
|
|
void *elem_buf,
|
|
size_t elem_size,
|
|
void *opaque_data),
|
|
void *const opaque_data);
|
|
|
|
#if defined ALPHA || defined IA64 || defined MIPS \
|
|
|| defined SH || defined SPARC || defined SPARC64
|
|
# define HAVE_GETRVAL2
|
|
extern long getrval2(struct tcb *);
|
|
#else
|
|
# undef HAVE_GETRVAL2
|
|
#endif
|
|
|
|
extern const char *signame(const int);
|
|
extern void pathtrace_select(const char *);
|
|
extern int pathtrace_match(struct tcb *);
|
|
extern int getfdpath(struct tcb *, int, char *, unsigned);
|
|
|
|
extern const char *xlookup(const struct xlat *, const uint64_t);
|
|
extern const char *xlat_search(const struct xlat *, const size_t, const uint64_t);
|
|
|
|
extern unsigned long get_pagesize(void);
|
|
extern int string_to_uint(const char *str);
|
|
extern int next_set_bit(const void *bit_array, unsigned cur_bit, unsigned size_bits);
|
|
|
|
#define QUOTE_0_TERMINATED 0x01
|
|
#define QUOTE_OMIT_LEADING_TRAILING_QUOTES 0x02
|
|
|
|
extern int string_quote(const char *, char *, unsigned int, unsigned int);
|
|
extern int print_quoted_string(const char *, unsigned int, unsigned int);
|
|
|
|
/* a refers to the lower numbered u_arg,
|
|
* b refers to the higher numbered u_arg
|
|
*/
|
|
#ifdef WORDS_BIGENDIAN
|
|
# define LONG_LONG(a,b) \
|
|
((long long)((unsigned long long)(unsigned)(b) | ((unsigned long long)(a)<<32)))
|
|
#else
|
|
# define LONG_LONG(a,b) \
|
|
((long long)((unsigned long long)(unsigned)(a) | ((unsigned long long)(b)<<32)))
|
|
#endif
|
|
extern int getllval(struct tcb *, unsigned long long *, int);
|
|
extern int printllval(struct tcb *, const char *, int)
|
|
ATTRIBUTE_FORMAT((printf, 2, 0));
|
|
|
|
extern void printaddr(long);
|
|
extern void printxvals(const uint64_t, const char *, const struct xlat *, ...)
|
|
ATTRIBUTE_SENTINEL;
|
|
extern int printargs(struct tcb *);
|
|
extern int printargs_u(struct tcb *);
|
|
extern int printargs_d(struct tcb *);
|
|
|
|
extern void addflags(const struct xlat *, uint64_t);
|
|
extern int printflags64(const struct xlat *, uint64_t, const char *);
|
|
extern const char *sprintflags(const char *, const struct xlat *, uint64_t);
|
|
extern const char *sprintmode(unsigned int);
|
|
extern const char *sprinttime(time_t);
|
|
extern void dumpiov_in_msghdr(struct tcb *, long, unsigned long);
|
|
extern void dumpiov_in_mmsghdr(struct tcb *, long);
|
|
extern void dumpiov_upto(struct tcb *, int, long, unsigned long);
|
|
#define dumpiov(tcp, len, addr) \
|
|
dumpiov_upto((tcp), (len), (addr), (unsigned long) -1L)
|
|
extern void dumpstr(struct tcb *, long, int);
|
|
extern void printstr(struct tcb *, long, long);
|
|
extern bool printnum_short(struct tcb *, long, const char *)
|
|
ATTRIBUTE_FORMAT((printf, 3, 0));
|
|
extern bool printnum_int(struct tcb *, long, const char *)
|
|
ATTRIBUTE_FORMAT((printf, 3, 0));
|
|
extern bool printnum_int64(struct tcb *, long, const char *)
|
|
ATTRIBUTE_FORMAT((printf, 3, 0));
|
|
|
|
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
|
|
extern bool printnum_long_int(struct tcb *, long, const char *, const char *)
|
|
ATTRIBUTE_FORMAT((printf, 3, 0))
|
|
ATTRIBUTE_FORMAT((printf, 4, 0));
|
|
# define printnum_slong(tcp, addr) \
|
|
printnum_long_int((tcp), (addr), "%" PRId64, "%d")
|
|
# define printnum_ulong(tcp, addr) \
|
|
printnum_long_int((tcp), (addr), "%" PRIu64, "%u")
|
|
# define printnum_ptr(tcp, addr) \
|
|
printnum_long_int((tcp), (addr), "%#" PRIx64, "%#x")
|
|
#elif SIZEOF_LONG > 4
|
|
# define printnum_slong(tcp, addr) \
|
|
printnum_int64((tcp), (addr), "%" PRId64)
|
|
# define printnum_ulong(tcp, addr) \
|
|
printnum_int64((tcp), (addr), "%" PRIu64)
|
|
# define printnum_ptr(tcp, addr) \
|
|
printnum_int64((tcp), (addr), "%#" PRIx64)
|
|
#else
|
|
# define printnum_slong(tcp, addr) \
|
|
printnum_int((tcp), (addr), "%d")
|
|
# define printnum_ulong(tcp, addr) \
|
|
printnum_int((tcp), (addr), "%u")
|
|
# define printnum_ptr(tcp, addr) \
|
|
printnum_int((tcp), (addr), "%#x")
|
|
#endif
|
|
|
|
extern bool printpair_int(struct tcb *, long, const char *)
|
|
ATTRIBUTE_FORMAT((printf, 3, 0));
|
|
extern bool printpair_int64(struct tcb *, long, const char *)
|
|
ATTRIBUTE_FORMAT((printf, 3, 0));
|
|
extern void printpath(struct tcb *, long);
|
|
extern void printpathn(struct tcb *, long, unsigned int);
|
|
#define TIMESPEC_TEXT_BUFSIZE \
|
|
(sizeof(intmax_t)*3 * 2 + sizeof("{tv_sec=%jd, tv_nsec=%jd}"))
|
|
extern void printfd(struct tcb *, int);
|
|
extern bool print_sockaddr_by_inode(const unsigned long, const char *);
|
|
extern bool print_sockaddr_by_inode_cached(const unsigned long);
|
|
extern void print_dirfd(struct tcb *, int);
|
|
extern void printsock(struct tcb *, long, int);
|
|
extern void print_sock_optmgmt(struct tcb *, long, int);
|
|
#ifdef ALPHA
|
|
extern void printrusage32(struct tcb *, long);
|
|
extern const char *sprint_timeval32(struct tcb *tcp, long);
|
|
extern void print_timeval32(struct tcb *tcp, long);
|
|
extern void print_timeval32_pair(struct tcb *tcp, long);
|
|
extern void print_itimerval32(struct tcb *tcp, long);
|
|
#endif
|
|
extern void printuid(const char *, const unsigned int);
|
|
extern void print_sigset_addr_len(struct tcb *, long, long);
|
|
extern const char *sprintsigmask_n(const char *, const void *, unsigned int);
|
|
#define tprintsigmask_addr(prefix, mask) \
|
|
tprints(sprintsigmask_n((prefix), (mask), sizeof(mask)))
|
|
extern void printsignal(int);
|
|
extern void tprint_iov(struct tcb *, unsigned long, unsigned long, int decode_iov);
|
|
extern void tprint_iov_upto(struct tcb *, unsigned long, unsigned long, int decode_iov, unsigned long);
|
|
extern void tprint_open_modes(unsigned int);
|
|
extern const char *sprint_open_modes(unsigned int);
|
|
extern void print_seccomp_filter(struct tcb *, unsigned long);
|
|
extern void print_seccomp_fprog(struct tcb *, unsigned long, unsigned short);
|
|
|
|
struct strace_statfs;
|
|
extern void print_struct_statfs(struct tcb *tcp, long);
|
|
extern void print_struct_statfs64(struct tcb *tcp, long, unsigned long);
|
|
|
|
extern int block_ioctl(struct tcb *, const unsigned int, long);
|
|
extern int evdev_ioctl(struct tcb *, const unsigned int, long);
|
|
extern int loop_ioctl(struct tcb *, const unsigned int, long);
|
|
extern int mtd_ioctl(struct tcb *, const unsigned int, long);
|
|
extern int ptp_ioctl(struct tcb *, const unsigned int, long);
|
|
extern int rtc_ioctl(struct tcb *, const unsigned int, long);
|
|
extern int scsi_ioctl(struct tcb *, const unsigned int, long);
|
|
extern int sock_ioctl(struct tcb *, const unsigned int, long);
|
|
extern int term_ioctl(struct tcb *, const unsigned int, long);
|
|
extern int ubi_ioctl(struct tcb *, const unsigned int, long);
|
|
extern int uffdio_ioctl(struct tcb *, const unsigned int, long);
|
|
|
|
extern int tv_nz(const struct timeval *);
|
|
extern int tv_cmp(const struct timeval *, const struct timeval *);
|
|
extern double tv_float(const struct timeval *);
|
|
extern void tv_add(struct timeval *, const struct timeval *, const struct timeval *);
|
|
extern void tv_sub(struct timeval *, const struct timeval *, const struct timeval *);
|
|
extern void tv_mul(struct timeval *, const struct timeval *, int);
|
|
extern void tv_div(struct timeval *, const struct timeval *, int);
|
|
|
|
#ifdef USE_LIBUNWIND
|
|
extern void unwind_init(void);
|
|
extern void unwind_tcb_init(struct tcb *tcp);
|
|
extern void unwind_tcb_fin(struct tcb *tcp);
|
|
extern void unwind_cache_invalidate(struct tcb* tcp);
|
|
extern void unwind_print_stacktrace(struct tcb* tcp);
|
|
extern void unwind_capture_stacktrace(struct tcb* tcp);
|
|
#endif
|
|
|
|
static inline int
|
|
printflags(const struct xlat *x, unsigned int flags, const char *dflt)
|
|
{
|
|
return printflags64(x, flags, dflt);
|
|
}
|
|
|
|
static inline int
|
|
printflags_long(const struct xlat *x, unsigned long flags, const char *dflt)
|
|
{
|
|
return printflags64(x, flags, dflt);
|
|
}
|
|
|
|
static inline void
|
|
printxval64(const struct xlat *x, const uint64_t val, const char *dflt)
|
|
{
|
|
printxvals(val, dflt, x, NULL);
|
|
}
|
|
|
|
static inline void
|
|
printxval(const struct xlat *x, const unsigned int val, const char *dflt)
|
|
{
|
|
printxvals(val, dflt, x, NULL);
|
|
}
|
|
|
|
static inline void
|
|
printxval_long(const struct xlat *x, const unsigned long val, const char *dflt)
|
|
{
|
|
printxvals(val, dflt, x, NULL);
|
|
}
|
|
|
|
/* 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);
|
|
|
|
#if SUPPORTED_PERSONALITIES > 1
|
|
extern void set_personality(int personality);
|
|
extern unsigned current_personality;
|
|
#else
|
|
# define set_personality(personality) ((void)0)
|
|
# define current_personality 0
|
|
#endif
|
|
|
|
#if SUPPORTED_PERSONALITIES == 1
|
|
# define current_wordsize PERSONALITY0_WORDSIZE
|
|
#else
|
|
# if SUPPORTED_PERSONALITIES == 2 && PERSONALITY0_WORDSIZE == PERSONALITY1_WORDSIZE
|
|
# define current_wordsize PERSONALITY0_WORDSIZE
|
|
# else
|
|
extern unsigned current_wordsize;
|
|
# endif
|
|
#endif
|
|
|
|
/* In many, many places we play fast and loose and use
|
|
* tprintf("%d", (int) tcp->u_arg[N]) to print fds, pids etc.
|
|
* We probably need to use widen_to_long() instead:
|
|
*/
|
|
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
|
|
# define widen_to_long(v) (current_wordsize == 4 ? (long)(int32_t)(v) : (long)(v))
|
|
#else
|
|
# define widen_to_long(v) ((long)(v))
|
|
#endif
|
|
|
|
extern const struct_sysent sysent0[];
|
|
extern const char *const errnoent0[];
|
|
extern const char *const signalent0[];
|
|
extern const struct_ioctlent ioctlent0[];
|
|
extern qualbits_t *qual_vec[SUPPORTED_PERSONALITIES];
|
|
#define qual_flags (qual_vec[current_personality])
|
|
|
|
#if SUPPORTED_PERSONALITIES > 1
|
|
extern const struct_sysent *sysent;
|
|
extern const char *const *errnoent;
|
|
extern const char *const *signalent;
|
|
extern const struct_ioctlent *ioctlent;
|
|
#else
|
|
# define sysent sysent0
|
|
# define errnoent errnoent0
|
|
# define signalent signalent0
|
|
# define ioctlent ioctlent0
|
|
#endif
|
|
|
|
extern unsigned nsyscalls;
|
|
extern unsigned nerrnos;
|
|
extern unsigned nsignals;
|
|
extern unsigned nioctlents;
|
|
extern unsigned num_quals;
|
|
|
|
#if SUPPORTED_PERSONALITIES > 1
|
|
# include "printers.h"
|
|
#else
|
|
# include "native_printer_decls.h"
|
|
#endif
|
|
|
|
/*
|
|
* If you need non-NULL sysent[scno].sys_func and sysent[scno].sys_name
|
|
*/
|
|
#define SCNO_IS_VALID(scno) \
|
|
((unsigned long)(scno) < nsyscalls && sysent[scno].sys_func)
|
|
|
|
/* Only ensures that sysent[scno] isn't out of range */
|
|
#define SCNO_IN_RANGE(scno) \
|
|
((unsigned long)(scno) < nsyscalls)
|
|
|
|
#define MPERS_FUNC_NAME__(prefix, name) prefix ## name
|
|
#define MPERS_FUNC_NAME_(prefix, name) MPERS_FUNC_NAME__(prefix, name)
|
|
#define MPERS_FUNC_NAME(name) MPERS_FUNC_NAME_(MPERS_PREFIX, name)
|
|
|
|
#define SYS_FUNC_NAME(syscall_name) MPERS_FUNC_NAME(syscall_name)
|
|
|
|
#define SYS_FUNC(syscall_name) int SYS_FUNC_NAME(sys_ ## syscall_name)(struct tcb *tcp)
|
|
|
|
#define MPERS_PRINTER_DECL(type, name) type MPERS_FUNC_NAME(name)
|
|
|
|
/*
|
|
* The kernel used to define 64-bit types on 64-bit systems on a per-arch
|
|
* basis. Some architectures would use unsigned long and others would use
|
|
* unsigned long long. These types were exported as part of the
|
|
* kernel-userspace ABI and now must be maintained forever. This matches
|
|
* what the kernel exports for each architecture so we don't need to cast
|
|
* every printing of __u64 or __s64 to stdint types.
|
|
*/
|
|
#if SIZEOF_LONG == 4
|
|
# define PRI__64 "ll"
|
|
#elif defined ALPHA || defined IA64 || defined MIPS || defined POWERPC
|
|
# define PRI__64 "l"
|
|
#else
|
|
# define PRI__64 "ll"
|
|
#endif
|
|
|
|
#define PRI__d64 PRI__64"d"
|
|
#define PRI__u64 PRI__64"u"
|
|
#define PRI__x64 PRI__64"x"
|