Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 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. |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 28 | */ |
| 29 | |
Roland McGrath | 795edb1 | 2005-02-02 04:44:57 +0000 | [diff] [blame] | 30 | #ifdef HAVE_CONFIG_H |
Denys Vlasenko | 329655a | 2012-02-25 02:42:32 +0100 | [diff] [blame] | 31 | # include "config.h" |
Roland McGrath | 795edb1 | 2005-02-02 04:44:57 +0000 | [diff] [blame] | 32 | #endif |
Dmitry V. Levin | 2690fad | 2013-05-07 08:03:41 +0000 | [diff] [blame] | 33 | |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 34 | #include <features.h> |
Denys Vlasenko | a6d91de | 2012-03-16 12:02:22 +0100 | [diff] [blame] | 35 | #ifdef HAVE_STDBOOL_H |
| 36 | # include <stdbool.h> |
| 37 | #endif |
| 38 | #include <stdint.h> |
| 39 | #include <inttypes.h> |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 40 | #include <sys/types.h> |
Denys Vlasenko | a6d91de | 2012-03-16 12:02:22 +0100 | [diff] [blame] | 41 | #ifdef STDC_HEADERS |
| 42 | # include <stddef.h> |
| 43 | #endif |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 44 | #include <unistd.h> |
| 45 | #include <stdlib.h> |
| 46 | #include <stdio.h> |
Denys Vlasenko | 5198ed4 | 2013-03-06 23:44:23 +0100 | [diff] [blame] | 47 | /* Open-coding isprint(ch) et al proved more efficient than calling |
| 48 | * generalized libc interface. We don't *want* to do non-ASCII anyway. |
| 49 | */ |
| 50 | /* #include <ctype.h> */ |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 51 | #include <string.h> |
Denys Vlasenko | a6d91de | 2012-03-16 12:02:22 +0100 | [diff] [blame] | 52 | #include <errno.h> |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 53 | #include <time.h> |
| 54 | #include <sys/time.h> |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 55 | #include <sys/syscall.h> |
Roland McGrath | e6d3a29 | 2003-01-14 09:46:18 +0000 | [diff] [blame] | 56 | |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 57 | #include "mpers_type.h" |
Dmitry V. Levin | f32126b | 2015-12-31 14:19:41 +0000 | [diff] [blame] | 58 | #include "gcc_compat.h" |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 59 | |
Denys Vlasenko | 2989814 | 2012-03-15 15:02:49 +0100 | [diff] [blame] | 60 | #ifndef HAVE_STRERROR |
| 61 | const char *strerror(int); |
| 62 | #endif |
Denys Vlasenko | 2989814 | 2012-03-15 15:02:49 +0100 | [diff] [blame] | 63 | #ifndef HAVE_STPCPY |
| 64 | /* Some libc have stpcpy, some don't. Sigh... |
| 65 | * Roll our private implementation... |
| 66 | */ |
| 67 | #undef stpcpy |
| 68 | #define stpcpy strace_stpcpy |
| 69 | extern char *stpcpy(char *dst, const char *src); |
| 70 | #endif |
| 71 | |
Denys Vlasenko | 513e9c2 | 2012-03-21 14:39:22 +0100 | [diff] [blame] | 72 | #ifndef offsetof |
| 73 | # define offsetof(type, member) \ |
| 74 | (((char *) &(((type *) NULL)->member)) - ((char *) (type *) NULL)) |
| 75 | #endif |
| 76 | |
Denys Vlasenko | 2989814 | 2012-03-15 15:02:49 +0100 | [diff] [blame] | 77 | #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| 78 | |
Mike Frysinger | d648f29 | 2013-05-01 23:35:30 -0400 | [diff] [blame] | 79 | /* macros */ |
| 80 | #ifndef MAX |
| 81 | # define MAX(a, b) (((a) > (b)) ? (a) : (b)) |
| 82 | #endif |
| 83 | #ifndef MIN |
| 84 | # define MIN(a, b) (((a) < (b)) ? (a) : (b)) |
| 85 | #endif |
| 86 | #define CLAMP(val, min, max) MIN(MAX(min, val), max) |
| 87 | |
Denys Vlasenko | e4cc7c5 | 2012-03-23 11:29:01 +0100 | [diff] [blame] | 88 | /* Glibc has an efficient macro for sigemptyset |
| 89 | * (it just does one or two assignments of 0 to internal vector of longs). |
| 90 | */ |
| 91 | #if defined(__GLIBC__) && defined(__sigemptyset) && !defined(sigemptyset) |
| 92 | # define sigemptyset __sigemptyset |
| 93 | #endif |
| 94 | |
Denys Vlasenko | d9560c1 | 2011-08-19 17:41:28 +0200 | [diff] [blame] | 95 | /* Configuration section */ |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 96 | #ifndef DEFAULT_STRLEN |
Denys Vlasenko | 041b3ee | 2011-08-18 12:48:56 +0200 | [diff] [blame] | 97 | /* default maximum # of bytes printed in `printstr', change with -s switch */ |
Denys Vlasenko | 329655a | 2012-02-25 02:42:32 +0100 | [diff] [blame] | 98 | # define DEFAULT_STRLEN 32 |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 99 | #endif |
| 100 | #ifndef DEFAULT_ACOLUMN |
Denys Vlasenko | 329655a | 2012-02-25 02:42:32 +0100 | [diff] [blame] | 101 | # define DEFAULT_ACOLUMN 40 /* default alignment column for results */ |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 102 | #endif |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 103 | /* |
| 104 | * Maximum number of args to a syscall. |
Denys Vlasenko | d9560c1 | 2011-08-19 17:41:28 +0200 | [diff] [blame] | 105 | * |
Denys Vlasenko | aa925db | 2012-02-25 15:19:02 +0100 | [diff] [blame] | 106 | * Make sure that all entries in all syscallent.h files have nargs <= MAX_ARGS! |
Dmitry V. Levin | 2690fad | 2013-05-07 08:03:41 +0000 | [diff] [blame] | 107 | * linux/<ARCH>/syscallent*.h: |
| 108 | * all have nargs <= 6 except mips o32 which has nargs <= 7. |
Denys Vlasenko | d9560c1 | 2011-08-19 17:41:28 +0200 | [diff] [blame] | 109 | */ |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 110 | #ifndef MAX_ARGS |
Dmitry V. Levin | 2690fad | 2013-05-07 08:03:41 +0000 | [diff] [blame] | 111 | # ifdef LINUX_MIPSO32 |
| 112 | # define MAX_ARGS 7 |
| 113 | # else |
| 114 | # define MAX_ARGS 6 |
| 115 | # endif |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 116 | #endif |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 117 | /* default sorting method for call profiling */ |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 118 | #ifndef DEFAULT_SORTBY |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 119 | # define DEFAULT_SORTBY "time" |
John Hughes | 5826589 | 2001-10-18 15:13:53 +0000 | [diff] [blame] | 120 | #endif |
Denys Vlasenko | d27809c | 2013-02-12 12:50:10 +0100 | [diff] [blame] | 121 | /* |
| 122 | * Experimental code using PTRACE_SEIZE can be enabled here. |
Denys Vlasenko | 9472a27 | 2013-02-12 11:43:46 +0100 | [diff] [blame] | 123 | * This needs Linux kernel 3.4.x or later to work. |
| 124 | */ |
| 125 | #define USE_SEIZE 1 |
Denys Vlasenko | 05f3251 | 2013-02-26 12:00:34 +0100 | [diff] [blame] | 126 | /* To force NOMMU build, set to 1 */ |
Denys Vlasenko | 5c9d8f4 | 2013-02-19 15:30:12 +0100 | [diff] [blame] | 127 | #define NOMMU_SYSTEM 0 |
Denys Vlasenko | 76da831 | 2013-07-16 12:18:59 +0200 | [diff] [blame] | 128 | /* |
| 129 | * Set to 1 to use speed-optimized vfprintf implementation. |
| 130 | * It results in strace using about 5% less CPU in user space |
| 131 | * (compared to glibc version). |
| 132 | * But strace spends a lot of time in kernel space, |
| 133 | * so overall it does not appear to be a significant win. |
| 134 | * Thus disabled by default. |
| 135 | */ |
| 136 | #define USE_CUSTOM_PRINTF 0 |
Denys Vlasenko | 5c9d8f4 | 2013-02-19 15:30:12 +0100 | [diff] [blame] | 137 | |
Denys Vlasenko | 4793221 | 2013-06-30 23:53:49 +0200 | [diff] [blame] | 138 | #ifndef ERESTARTSYS |
| 139 | # define ERESTARTSYS 512 |
| 140 | #endif |
| 141 | #ifndef ERESTARTNOINTR |
| 142 | # define ERESTARTNOINTR 513 |
| 143 | #endif |
| 144 | #ifndef ERESTARTNOHAND |
| 145 | # define ERESTARTNOHAND 514 |
| 146 | #endif |
| 147 | #ifndef ERESTART_RESTARTBLOCK |
| 148 | # define ERESTART_RESTARTBLOCK 516 |
| 149 | #endif |
| 150 | |
Denys Vlasenko | 9472a27 | 2013-02-12 11:43:46 +0100 | [diff] [blame] | 151 | #if defined(SPARC) || defined(SPARC64) |
Denys Vlasenko | 329655a | 2012-02-25 02:42:32 +0100 | [diff] [blame] | 152 | # define PERSONALITY0_WORDSIZE 4 |
Denys Vlasenko | 329655a | 2012-02-25 02:42:32 +0100 | [diff] [blame] | 153 | # if defined(SPARC64) |
Denys Vlasenko | 329655a | 2012-02-25 02:42:32 +0100 | [diff] [blame] | 154 | # define SUPPORTED_PERSONALITIES 2 |
Denys Vlasenko | df4dd8b | 2015-03-25 14:16:08 +0100 | [diff] [blame] | 155 | # define PERSONALITY1_WORDSIZE 8 |
Dmitry V. Levin | a1fa83d | 2015-09-14 22:33:23 +0000 | [diff] [blame] | 156 | # ifdef HAVE_M32_MPERS |
| 157 | # define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h" |
| 158 | # define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h" |
| 159 | # define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h" |
Dmitry V. Levin | 1822546 | 2016-05-02 22:06:56 +0000 | [diff] [blame] | 160 | # define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h" |
Dmitry V. Levin | a1fa83d | 2015-09-14 22:33:23 +0000 | [diff] [blame] | 161 | # endif |
Denys Vlasenko | df4dd8b | 2015-03-25 14:16:08 +0100 | [diff] [blame] | 162 | # endif |
| 163 | #endif |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 164 | |
Michal Ludvig | 0e03550 | 2002-09-23 15:41:01 +0000 | [diff] [blame] | 165 | #ifdef X86_64 |
H.J. Lu | 35be581 | 2012-04-16 13:00:01 +0200 | [diff] [blame] | 166 | # define SUPPORTED_PERSONALITIES 3 |
Denys Vlasenko | 329655a | 2012-02-25 02:42:32 +0100 | [diff] [blame] | 167 | # define PERSONALITY0_WORDSIZE 8 |
| 168 | # define PERSONALITY1_WORDSIZE 4 |
H.J. Lu | 35be581 | 2012-04-16 13:00:01 +0200 | [diff] [blame] | 169 | # define PERSONALITY2_WORDSIZE 4 |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 170 | # ifdef HAVE_M32_MPERS |
| 171 | # define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h" |
| 172 | # define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h" |
| 173 | # define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h" |
Dmitry V. Levin | 1822546 | 2016-05-02 22:06:56 +0000 | [diff] [blame] | 174 | # define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h" |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 175 | # endif |
| 176 | # ifdef HAVE_MX32_MPERS |
| 177 | # define PERSONALITY2_INCLUDE_FUNCS "mx32_funcs.h" |
| 178 | # define PERSONALITY2_INCLUDE_PRINTERS_DECLS "mx32_printer_decls.h" |
| 179 | # define PERSONALITY2_INCLUDE_PRINTERS_DEFS "mx32_printer_defs.h" |
Dmitry V. Levin | 1822546 | 2016-05-02 22:06:56 +0000 | [diff] [blame] | 180 | # define MPERS_mx32_IOCTL_MACROS "ioctl_redefs2.h" |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 181 | # endif |
Roland McGrath | ee9d435 | 2002-12-18 04:16:10 +0000 | [diff] [blame] | 182 | #endif |
| 183 | |
H.J. Lu | 085e428 | 2012-04-17 11:05:04 -0700 | [diff] [blame] | 184 | #ifdef X32 |
H.J. Lu | 085e428 | 2012-04-17 11:05:04 -0700 | [diff] [blame] | 185 | # define SUPPORTED_PERSONALITIES 2 |
| 186 | # define PERSONALITY0_WORDSIZE 4 |
| 187 | # define PERSONALITY1_WORDSIZE 4 |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 188 | # ifdef HAVE_M32_MPERS |
| 189 | # define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h" |
| 190 | # define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h" |
| 191 | # define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h" |
Dmitry V. Levin | 1822546 | 2016-05-02 22:06:56 +0000 | [diff] [blame] | 192 | # define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h" |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 193 | # endif |
H.J. Lu | 085e428 | 2012-04-17 11:05:04 -0700 | [diff] [blame] | 194 | #endif |
| 195 | |
Roland McGrath | 5670331 | 2008-05-20 01:35:55 +0000 | [diff] [blame] | 196 | #ifdef ARM |
Denys Vlasenko | 7270de5 | 2013-02-21 15:46:34 +0100 | [diff] [blame] | 197 | /* one personality */ |
Roland McGrath | 5670331 | 2008-05-20 01:35:55 +0000 | [diff] [blame] | 198 | #endif |
| 199 | |
Steve McIntyre | 890a5ca | 2012-11-10 11:24:48 +0000 | [diff] [blame] | 200 | #ifdef AARCH64 |
Steve McIntyre | 890a5ca | 2012-11-10 11:24:48 +0000 | [diff] [blame] | 201 | /* The existing ARM personality, then AArch64 */ |
| 202 | # define SUPPORTED_PERSONALITIES 2 |
Dmitry V. Levin | c37173f | 2015-12-09 00:43:39 +0000 | [diff] [blame] | 203 | # define PERSONALITY0_WORDSIZE 8 |
| 204 | # define PERSONALITY1_WORDSIZE 4 |
Dmitry V. Levin | a1fa83d | 2015-09-14 22:33:23 +0000 | [diff] [blame] | 205 | # ifdef HAVE_M32_MPERS |
Dmitry V. Levin | c37173f | 2015-12-09 00:43:39 +0000 | [diff] [blame] | 206 | # define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h" |
| 207 | # define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h" |
| 208 | # define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h" |
Dmitry V. Levin | 1822546 | 2016-05-02 22:06:56 +0000 | [diff] [blame] | 209 | # define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h" |
Dmitry V. Levin | a1fa83d | 2015-09-14 22:33:23 +0000 | [diff] [blame] | 210 | # endif |
Steve McIntyre | 890a5ca | 2012-11-10 11:24:48 +0000 | [diff] [blame] | 211 | #endif |
| 212 | |
Andreas Schwab | d69fa49 | 2010-07-12 21:39:57 +0200 | [diff] [blame] | 213 | #ifdef POWERPC64 |
Denys Vlasenko | 329655a | 2012-02-25 02:42:32 +0100 | [diff] [blame] | 214 | # define SUPPORTED_PERSONALITIES 2 |
| 215 | # define PERSONALITY0_WORDSIZE 8 |
| 216 | # define PERSONALITY1_WORDSIZE 4 |
Dmitry V. Levin | a1fa83d | 2015-09-14 22:33:23 +0000 | [diff] [blame] | 217 | # ifdef HAVE_M32_MPERS |
| 218 | # define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h" |
| 219 | # define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h" |
| 220 | # define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h" |
Dmitry V. Levin | 1822546 | 2016-05-02 22:06:56 +0000 | [diff] [blame] | 221 | # define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h" |
Dmitry V. Levin | a1fa83d | 2015-09-14 22:33:23 +0000 | [diff] [blame] | 222 | # endif |
Andreas Schwab | d69fa49 | 2010-07-12 21:39:57 +0200 | [diff] [blame] | 223 | #endif |
| 224 | |
Chris Metcalf | 0b99a8a | 2013-02-05 17:48:33 +0100 | [diff] [blame] | 225 | #ifdef TILE |
Chris Metcalf | 0b99a8a | 2013-02-05 17:48:33 +0100 | [diff] [blame] | 226 | # define SUPPORTED_PERSONALITIES 2 |
| 227 | # define PERSONALITY0_WORDSIZE 8 |
| 228 | # define PERSONALITY1_WORDSIZE 4 |
| 229 | # ifdef __tilepro__ |
Chris Metcalf | 0b99a8a | 2013-02-05 17:48:33 +0100 | [diff] [blame] | 230 | # define DEFAULT_PERSONALITY 1 |
| 231 | # endif |
Dmitry V. Levin | a1fa83d | 2015-09-14 22:33:23 +0000 | [diff] [blame] | 232 | # ifdef HAVE_M32_MPERS |
| 233 | # define PERSONALITY1_INCLUDE_FUNCS "m32_funcs.h" |
| 234 | # define PERSONALITY1_INCLUDE_PRINTERS_DECLS "m32_printer_decls.h" |
| 235 | # define PERSONALITY1_INCLUDE_PRINTERS_DEFS "m32_printer_defs.h" |
Dmitry V. Levin | 1822546 | 2016-05-02 22:06:56 +0000 | [diff] [blame] | 236 | # define MPERS_m32_IOCTL_MACROS "ioctl_redefs1.h" |
Dmitry V. Levin | a1fa83d | 2015-09-14 22:33:23 +0000 | [diff] [blame] | 237 | # endif |
Chris Metcalf | 0b99a8a | 2013-02-05 17:48:33 +0100 | [diff] [blame] | 238 | #endif |
| 239 | |
Denys Vlasenko | 9472a27 | 2013-02-12 11:43:46 +0100 | [diff] [blame] | 240 | #ifndef SUPPORTED_PERSONALITIES |
| 241 | # define SUPPORTED_PERSONALITIES 1 |
| 242 | #endif |
| 243 | #ifndef DEFAULT_PERSONALITY |
| 244 | # define DEFAULT_PERSONALITY 0 |
| 245 | #endif |
Denys Vlasenko | 9fd4f96 | 2012-03-19 09:36:42 +0100 | [diff] [blame] | 246 | #ifndef PERSONALITY0_WORDSIZE |
James Hogan | 3b09ebe | 2014-05-02 14:15:41 +0100 | [diff] [blame] | 247 | # define PERSONALITY0_WORDSIZE SIZEOF_LONG |
Denys Vlasenko | 9fd4f96 | 2012-03-19 09:36:42 +0100 | [diff] [blame] | 248 | #endif |
| 249 | |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 250 | #ifndef PERSONALITY0_INCLUDE_PRINTERS_DECLS |
| 251 | # define PERSONALITY0_INCLUDE_PRINTERS_DECLS "native_printer_decls.h" |
| 252 | #endif |
| 253 | #ifndef PERSONALITY0_INCLUDE_PRINTERS_DEFS |
| 254 | # define PERSONALITY0_INCLUDE_PRINTERS_DEFS "native_printer_defs.h" |
| 255 | #endif |
| 256 | |
| 257 | #ifndef PERSONALITY1_INCLUDE_PRINTERS_DECLS |
| 258 | # define PERSONALITY1_INCLUDE_PRINTERS_DECLS "native_printer_decls.h" |
| 259 | #endif |
| 260 | #ifndef PERSONALITY1_INCLUDE_PRINTERS_DEFS |
| 261 | # define PERSONALITY1_INCLUDE_PRINTERS_DEFS "native_printer_defs.h" |
| 262 | #endif |
| 263 | |
| 264 | #ifndef PERSONALITY2_INCLUDE_PRINTERS_DECLS |
| 265 | # define PERSONALITY2_INCLUDE_PRINTERS_DECLS "native_printer_decls.h" |
| 266 | #endif |
| 267 | #ifndef PERSONALITY2_INCLUDE_PRINTERS_DEFS |
| 268 | # define PERSONALITY2_INCLUDE_PRINTERS_DEFS "native_printer_defs.h" |
| 269 | #endif |
| 270 | |
| 271 | #ifndef PERSONALITY1_INCLUDE_FUNCS |
| 272 | # define PERSONALITY1_INCLUDE_FUNCS "empty.h" |
| 273 | #endif |
| 274 | #ifndef PERSONALITY2_INCLUDE_FUNCS |
| 275 | # define PERSONALITY2_INCLUDE_FUNCS "empty.h" |
| 276 | #endif |
| 277 | |
Denys Vlasenko | a9fe13c | 2013-02-22 13:26:10 +0100 | [diff] [blame] | 278 | typedef struct sysent { |
Denys Vlasenko | 74ec14f | 2013-02-21 16:13:47 +0100 | [diff] [blame] | 279 | unsigned nargs; |
| 280 | int sys_flags; |
Elvira Khabirova | 28e32df | 2015-07-10 22:24:54 +0300 | [diff] [blame] | 281 | int sen; |
Denys Vlasenko | 74ec14f | 2013-02-21 16:13:47 +0100 | [diff] [blame] | 282 | int (*sys_func)(); |
| 283 | const char *sys_name; |
Denys Vlasenko | a9fe13c | 2013-02-22 13:26:10 +0100 | [diff] [blame] | 284 | } struct_sysent; |
Denys Vlasenko | 74ec14f | 2013-02-21 16:13:47 +0100 | [diff] [blame] | 285 | |
Denys Vlasenko | a9fe13c | 2013-02-22 13:26:10 +0100 | [diff] [blame] | 286 | typedef struct ioctlent { |
Denys Vlasenko | 74ec14f | 2013-02-21 16:13:47 +0100 | [diff] [blame] | 287 | const char *symbol; |
Dmitry V. Levin | c7afb48 | 2015-01-19 18:44:21 +0000 | [diff] [blame] | 288 | unsigned int code; |
Denys Vlasenko | a9fe13c | 2013-02-22 13:26:10 +0100 | [diff] [blame] | 289 | } struct_ioctlent; |
Denys Vlasenko | 74ec14f | 2013-02-21 16:13:47 +0100 | [diff] [blame] | 290 | |
Dmitry V. Levin | b0c5113 | 2016-06-17 16:12:13 +0000 | [diff] [blame] | 291 | #if defined LINUX_MIPSN32 || defined X32 |
| 292 | # define HAVE_STRUCT_TCB_EXT_ARG 1 |
| 293 | #else |
| 294 | # define HAVE_STRUCT_TCB_EXT_ARG 0 |
| 295 | #endif |
| 296 | |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 297 | /* Trace Control Block */ |
| 298 | struct tcb { |
Denys Vlasenko | d9ec141 | 2011-08-20 01:39:05 +0200 | [diff] [blame] | 299 | int flags; /* See below for TCB_ values */ |
Denys Vlasenko | fadbf66 | 2013-06-26 14:14:29 +0200 | [diff] [blame] | 300 | int pid; /* If 0, this tcb is free */ |
Denys Vlasenko | 74ec14f | 2013-02-21 16:13:47 +0100 | [diff] [blame] | 301 | int qual_flg; /* qual_flags[scno] or DEFAULT_QUAL_FLAGS + RAW */ |
Denys Vlasenko | 92d443c | 2011-08-25 00:25:08 +0200 | [diff] [blame] | 302 | int u_error; /* Error code */ |
| 303 | long scno; /* System call number */ |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 304 | long u_arg[MAX_ARGS]; /* System call arguments */ |
Dmitry V. Levin | b0c5113 | 2016-06-17 16:12:13 +0000 | [diff] [blame] | 305 | #if HAVE_STRUCT_TCB_EXT_ARG |
Denys Vlasenko | 9472a27 | 2013-02-12 11:43:46 +0100 | [diff] [blame] | 306 | long long ext_arg[MAX_ARGS]; |
H.J. Lu | dd0130b | 2012-04-16 12:16:45 +0200 | [diff] [blame] | 307 | long long u_lrval; /* long long return value */ |
| 308 | #endif |
Denys Vlasenko | 9472a27 | 2013-02-12 11:43:46 +0100 | [diff] [blame] | 309 | long u_rval; /* Return value */ |
Dmitry V. Levin | a5a839a | 2011-12-23 00:50:49 +0000 | [diff] [blame] | 310 | #if SUPPORTED_PERSONALITIES > 1 |
Dmitry V. Levin | 3ed5d02 | 2014-09-10 13:46:04 +0000 | [diff] [blame] | 311 | unsigned int currpers; /* Personality at the time of scno update */ |
Dmitry V. Levin | a5a839a | 2011-12-23 00:50:49 +0000 | [diff] [blame] | 312 | #endif |
Dmitry V. Levin | 204c2bc | 2015-07-08 14:10:56 +0000 | [diff] [blame] | 313 | int sys_func_rval; /* Syscall entry parser's return value */ |
Andreas Schwab | ccdff48 | 2009-10-27 16:27:13 +0100 | [diff] [blame] | 314 | int curcol; /* Output column for this process */ |
Denys Vlasenko | 92d443c | 2011-08-25 00:25:08 +0200 | [diff] [blame] | 315 | FILE *outf; /* Output file for this process */ |
Wichert Akkerman | 43a7482 | 2000-06-27 17:33:32 +0000 | [diff] [blame] | 316 | const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */ |
Denys Vlasenko | a9fe13c | 2013-02-22 13:26:10 +0100 | [diff] [blame] | 317 | const struct_sysent *s_ent; /* sysent[scno] or dummy struct for bad scno */ |
Denys Vlasenko | 8497b62 | 2015-03-21 17:51:52 +0100 | [diff] [blame] | 318 | const struct_sysent *s_prev_ent; /* for "resuming interrupted SYSCALL" msg */ |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 319 | struct timeval stime; /* System time usage as of last process wait */ |
| 320 | struct timeval dtime; /* Delta for system time usage */ |
| 321 | struct timeval etime; /* Syscall entry time */ |
Luca Clementi | 327064b | 2013-07-23 00:11:35 -0700 | [diff] [blame] | 322 | |
| 323 | #ifdef USE_LIBUNWIND |
| 324 | struct UPT_info* libunwind_ui; |
| 325 | struct mmap_cache_t* mmap_cache; |
| 326 | unsigned int mmap_cache_size; |
Masatake YAMATO | 9bc6561 | 2014-04-16 15:33:07 +0900 | [diff] [blame] | 327 | unsigned int mmap_cache_generation; |
Masatake YAMATO | f8e39d7 | 2014-04-16 15:33:06 +0900 | [diff] [blame] | 328 | struct queue_t* queue; |
Luca Clementi | 327064b | 2013-07-23 00:11:35 -0700 | [diff] [blame] | 329 | #endif |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 330 | }; |
| 331 | |
| 332 | /* TCB flags */ |
Denys Vlasenko | 68269aa | 2012-03-15 13:02:31 +0100 | [diff] [blame] | 333 | /* We have attached to this process, but did not see it stopping yet */ |
Denys Vlasenko | fadbf66 | 2013-06-26 14:14:29 +0200 | [diff] [blame] | 334 | #define TCB_STARTUP 0x01 |
| 335 | #define TCB_IGNORE_ONE_SIGSTOP 0x02 /* Next SIGSTOP is to be ignored */ |
Denys Vlasenko | b88f961 | 2011-08-21 18:03:23 +0200 | [diff] [blame] | 336 | /* |
| 337 | * Are we in system call entry or in syscall exit? |
| 338 | * |
| 339 | * This bit is set after all syscall entry processing is done. |
| 340 | * Therefore, this bit will be set when next ptrace stop occurs, |
| 341 | * which should be syscall exit stop. Other stops which are possible |
| 342 | * directly after syscall entry (death, ptrace event stop) |
| 343 | * are simpler and handled without calling trace_syscall(), therefore |
| 344 | * the places where TCB_INSYSCALL can be set but we aren't in syscall stop |
| 345 | * are limited to trace(), this condition is never observed in trace_syscall() |
| 346 | * and below. |
| 347 | * The bit is cleared after all syscall exit processing is done. |
Denys Vlasenko | b88f961 | 2011-08-21 18:03:23 +0200 | [diff] [blame] | 348 | * |
| 349 | * Use entering(tcp) / exiting(tcp) to check this bit to make code more readable. |
| 350 | */ |
Denys Vlasenko | fadbf66 | 2013-06-26 14:14:29 +0200 | [diff] [blame] | 351 | #define TCB_INSYSCALL 0x04 |
| 352 | #define TCB_ATTACHED 0x08 /* We attached to it already */ |
Dmitry V. Levin | 23ce9e4 | 2015-02-08 13:05:53 +0000 | [diff] [blame] | 353 | #define TCB_REPRINT 0x10 /* We should reprint this syscall on exit */ |
| 354 | #define TCB_FILTERED 0x20 /* This system call has been filtered out */ |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 355 | |
| 356 | /* qualifier flags */ |
Denys Vlasenko | 74ec14f | 2013-02-21 16:13:47 +0100 | [diff] [blame] | 357 | #define QUAL_TRACE 0x001 /* this system call should be traced */ |
| 358 | #define QUAL_ABBREV 0x002 /* abbreviate the structures of this syscall */ |
| 359 | #define QUAL_VERBOSE 0x004 /* decode the structures of this syscall */ |
| 360 | #define QUAL_RAW 0x008 /* print all args in hex for this syscall */ |
| 361 | #define QUAL_SIGNAL 0x010 /* report events with this signal */ |
Denys Vlasenko | c1540fe | 2013-02-21 16:17:08 +0100 | [diff] [blame] | 362 | #define QUAL_READ 0x020 /* dump data read on this file descriptor */ |
| 363 | #define QUAL_WRITE 0x040 /* dump data written to this file descriptor */ |
Denys Vlasenko | a585c9d | 2013-02-21 16:15:43 +0100 | [diff] [blame] | 364 | typedef uint8_t qualbits_t; |
Denys Vlasenko | 74ec14f | 2013-02-21 16:13:47 +0100 | [diff] [blame] | 365 | |
| 366 | #define DEFAULT_QUAL_FLAGS (QUAL_TRACE | QUAL_ABBREV | QUAL_VERBOSE) |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 367 | |
| 368 | #define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL)) |
| 369 | #define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL) |
| 370 | #define syserror(tcp) ((tcp)->u_error != 0) |
Denys Vlasenko | 40d63b9 | 2013-02-22 13:23:38 +0100 | [diff] [blame] | 371 | #define verbose(tcp) ((tcp)->qual_flg & QUAL_VERBOSE) |
| 372 | #define abbrev(tcp) ((tcp)->qual_flg & QUAL_ABBREV) |
Grant Edwards | 8a08277 | 2011-04-07 20:25:40 +0000 | [diff] [blame] | 373 | #define filtered(tcp) ((tcp)->flags & TCB_FILTERED) |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 374 | |
Dmitry V. Levin | 0e09704 | 2016-04-26 00:08:16 +0000 | [diff] [blame] | 375 | #include "xlat.h" |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 376 | |
Dmitry V. Levin | e96aee7 | 2016-06-25 13:47:54 +0000 | [diff] [blame] | 377 | extern const struct xlat addrfams[]; |
Dmitry V. Levin | 43b110b | 2014-12-06 03:53:16 +0000 | [diff] [blame] | 378 | extern const struct xlat at_flags[]; |
Dmitry V. Levin | a367db8 | 2015-11-19 18:13:53 +0000 | [diff] [blame] | 379 | extern const struct xlat dirent_types[]; |
Dmitry V. Levin | 43c8a5d | 2016-05-27 00:49:08 +0000 | [diff] [blame] | 380 | extern const struct xlat evdev_abs[]; |
Dmitry V. Levin | 95cce4f | 2016-06-27 00:02:55 +0000 | [diff] [blame] | 381 | extern const struct xlat msg_flags[]; |
Denys Vlasenko | f535b54 | 2009-01-13 18:30:55 +0000 | [diff] [blame] | 382 | extern const struct xlat open_access_modes[]; |
Dmitry V. Levin | 43b110b | 2014-12-06 03:53:16 +0000 | [diff] [blame] | 383 | extern const struct xlat open_mode_flags[]; |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 384 | extern const struct xlat resource_flags[]; |
Dmitry V. Levin | 95cce4f | 2016-06-27 00:02:55 +0000 | [diff] [blame] | 385 | extern const struct xlat socketlayers[]; |
Denys Vlasenko | 86738a2 | 2013-02-17 14:31:55 +0100 | [diff] [blame] | 386 | extern const struct xlat whence_codes[]; |
Denys Vlasenko | f535b54 | 2009-01-13 18:30:55 +0000 | [diff] [blame] | 387 | |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 388 | /* Format of syscall return values */ |
| 389 | #define RVAL_DECIMAL 000 /* decimal format */ |
| 390 | #define RVAL_HEX 001 /* hex format */ |
| 391 | #define RVAL_OCTAL 002 /* octal format */ |
| 392 | #define RVAL_UDECIMAL 003 /* unsigned decimal format */ |
Dmitry V. Levin | b0c5113 | 2016-06-17 16:12:13 +0000 | [diff] [blame] | 393 | #if HAVE_STRUCT_TCB_EXT_ARG |
H.J. Lu | dd0130b | 2012-04-16 12:16:45 +0200 | [diff] [blame] | 394 | # if 0 /* unused so far */ |
| 395 | # define RVAL_LDECIMAL 004 /* long decimal format */ |
| 396 | # define RVAL_LHEX 005 /* long hex format */ |
| 397 | # define RVAL_LOCTAL 006 /* long octal format */ |
| 398 | # endif |
| 399 | # define RVAL_LUDECIMAL 007 /* long unsigned decimal format */ |
Dmitry V. Levin | b0c5113 | 2016-06-17 16:12:13 +0000 | [diff] [blame] | 400 | #endif /* HAVE_STRUCT_TCB_EXT_ARG */ |
Zubin Mithra | 64aa1b1 | 2014-06-04 08:30:41 +0530 | [diff] [blame] | 401 | #define RVAL_FD 010 /* file descriptor */ |
| 402 | #define RVAL_MASK 017 /* mask for these values */ |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 403 | |
Zubin Mithra | 64aa1b1 | 2014-06-04 08:30:41 +0530 | [diff] [blame] | 404 | #define RVAL_STR 020 /* Print `auxstr' field after return val */ |
| 405 | #define RVAL_NONE 040 /* Print nothing */ |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 406 | |
Dmitry V. Levin | 204c2bc | 2015-07-08 14:10:56 +0000 | [diff] [blame] | 407 | #define RVAL_DECODED 0100 /* syscall decoding finished */ |
| 408 | |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 409 | #define TRACE_FILE 001 /* Trace file-related syscalls. */ |
| 410 | #define TRACE_IPC 002 /* Trace IPC-related syscalls. */ |
| 411 | #define TRACE_NETWORK 004 /* Trace network-related syscalls. */ |
| 412 | #define TRACE_PROCESS 010 /* Trace process-related syscalls. */ |
| 413 | #define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */ |
Roland McGrath | 2fe7b13 | 2005-07-05 03:25:35 +0000 | [diff] [blame] | 414 | #define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */ |
Namhyung Kim | 9679296 | 2012-10-24 11:41:57 +0900 | [diff] [blame] | 415 | #define TRACE_MEMORY 0100 /* Trace memory mapping-related syscalls. */ |
| 416 | #define SYSCALL_NEVER_FAILS 0200 /* Syscall is always successful. */ |
Masatake YAMATO | 1d78d22 | 2014-04-16 15:33:11 +0900 | [diff] [blame] | 417 | #define STACKTRACE_INVALIDATE_CACHE 0400 /* Trigger proc/maps cache updating */ |
| 418 | #define STACKTRACE_CAPTURE_ON_ENTER 01000 /* Capture stacktrace on "entering" stage */ |
Dmitry V. Levin | 3b499ca | 2015-01-10 22:01:35 +0300 | [diff] [blame] | 419 | #define TRACE_INDIRECT_SUBCALL 02000 /* Syscall is an indirect socket/ipc subcall. */ |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 420 | |
Gabriel Laskar | 8b6046a | 2015-12-04 01:07:33 +0100 | [diff] [blame] | 421 | #define IOCTL_NUMBER_UNKNOWN 0 |
| 422 | #define IOCTL_NUMBER_HANDLED 1 |
| 423 | #define IOCTL_NUMBER_STOP_LOOKUP 010 |
| 424 | |
Elvira Khabirova | c01ad06 | 2015-08-19 05:06:26 +0300 | [diff] [blame] | 425 | #define indirect_ipccall(tcp) (tcp->s_ent->sys_flags & TRACE_INDIRECT_SUBCALL) |
| 426 | |
Dmitry V. Levin | 80f7db1 | 2014-12-13 21:49:01 +0000 | [diff] [blame] | 427 | #if defined(ARM) || defined(AARCH64) \ |
| 428 | || defined(I386) || defined(X32) || defined(X86_64) \ |
Mike Frysinger | cc07f66 | 2015-02-26 02:15:33 -0500 | [diff] [blame] | 429 | || defined(IA64) \ |
Dmitry V. Levin | 80f7db1 | 2014-12-13 21:49:01 +0000 | [diff] [blame] | 430 | || defined(BFIN) \ |
| 431 | || defined(M68K) \ |
| 432 | || defined(MICROBLAZE) \ |
| 433 | || defined(S390) \ |
| 434 | || defined(SH) || defined(SH64) \ |
| 435 | || defined(SPARC) || defined(SPARC64) \ |
| 436 | /**/ |
| 437 | # define NEED_UID16_PARSERS 1 |
| 438 | #else |
| 439 | # define NEED_UID16_PARSERS 0 |
| 440 | #endif |
| 441 | |
Fabien Siron | 802cc28 | 2016-06-17 16:29:53 +0000 | [diff] [blame] | 442 | enum sock_proto { |
| 443 | SOCK_PROTO_UNKNOWN, |
| 444 | SOCK_PROTO_UNIX, |
| 445 | SOCK_PROTO_TCP, |
| 446 | SOCK_PROTO_UDP, |
| 447 | SOCK_PROTO_TCPv6, |
| 448 | SOCK_PROTO_UDPv6, |
| 449 | SOCK_PROTO_NETLINK |
| 450 | }; |
| 451 | extern enum sock_proto get_proto_by_name(const char *); |
| 452 | |
Fabien Siron | 2a54d8b | 2016-06-22 13:27:03 +0000 | [diff] [blame] | 453 | enum iov_decode { |
| 454 | IOV_DECODE_ADDR, |
Fabien Siron | 2850f74 | 2016-07-06 15:49:22 +0000 | [diff] [blame] | 455 | IOV_DECODE_STR, |
| 456 | IOV_DECODE_NETLINK |
Fabien Siron | 2a54d8b | 2016-06-22 13:27:03 +0000 | [diff] [blame] | 457 | }; |
| 458 | |
Dmitry V. Levin | e3a7ef5 | 2010-03-28 19:24:54 +0000 | [diff] [blame] | 459 | typedef enum { |
| 460 | CFLAG_NONE = 0, |
| 461 | CFLAG_ONLY_STATS, |
| 462 | CFLAG_BOTH |
| 463 | } cflag_t; |
Dmitry V. Levin | e3a7ef5 | 2010-03-28 19:24:54 +0000 | [diff] [blame] | 464 | extern cflag_t cflag; |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 465 | extern bool debug_flag; |
| 466 | extern bool Tflag; |
Anton Blanchard | a34dead | 2013-07-12 12:22:06 +0200 | [diff] [blame] | 467 | extern bool iflag; |
Mark Hills | e53bf23 | 2014-05-28 17:52:40 +0100 | [diff] [blame] | 468 | extern bool count_wallclock; |
Daniel P. Berrange | 01997cf | 2013-05-13 11:30:55 +0100 | [diff] [blame] | 469 | extern unsigned int qflag; |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 470 | extern bool not_failing_only; |
Dmitry V. Levin | 45e7b18 | 2014-08-08 23:38:26 +0000 | [diff] [blame] | 471 | extern unsigned int show_fd_path; |
Denys Vlasenko | 2a3d275 | 2013-05-14 16:07:46 +0200 | [diff] [blame] | 472 | extern bool hide_log_until_execve; |
Denys Vlasenko | 38cfe7c | 2013-03-05 16:01:53 +0100 | [diff] [blame] | 473 | /* are we filtering traces based on paths? */ |
| 474 | extern const char **paths_selected; |
| 475 | #define tracing_paths (paths_selected != NULL) |
Denys Vlasenko | eec8d5d | 2013-02-14 03:29:48 +0100 | [diff] [blame] | 476 | extern unsigned xflag; |
| 477 | extern unsigned followfork; |
Luca Clementi | 327064b | 2013-07-23 00:11:35 -0700 | [diff] [blame] | 478 | #ifdef USE_LIBUNWIND |
| 479 | /* if this is true do the stack trace for every system call */ |
| 480 | extern bool stack_trace_enabled; |
| 481 | #endif |
Denys Vlasenko | eec8d5d | 2013-02-14 03:29:48 +0100 | [diff] [blame] | 482 | extern unsigned ptrace_setoptions; |
| 483 | extern unsigned max_strlen; |
| 484 | extern unsigned os_release; |
| 485 | #undef KERNEL_VERSION |
| 486 | #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) |
Denys Vlasenko | a50d2a8 | 2012-03-15 12:49:52 +0100 | [diff] [blame] | 487 | |
Dmitry V. Levin | 5647cf8 | 2015-03-29 22:45:03 +0000 | [diff] [blame] | 488 | void error_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2)); |
| 489 | void perror_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2)); |
| 490 | void error_msg_and_die(const char *fmt, ...) |
| 491 | ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN; |
Elvira Khabirova | a2fdfe9 | 2015-11-26 17:18:00 +0300 | [diff] [blame] | 492 | void error_msg_and_help(const char *fmt, ...) |
| 493 | ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN; |
Dmitry V. Levin | 5647cf8 | 2015-03-29 22:45:03 +0000 | [diff] [blame] | 494 | void perror_msg_and_die(const char *fmt, ...) |
| 495 | ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN; |
| 496 | void die_out_of_memory(void) ATTRIBUTE_NORETURN; |
Denys Vlasenko | 7542276 | 2011-05-27 14:36:01 +0200 | [diff] [blame] | 497 | |
Dmitry V. Levin | 3e9d71f | 2015-05-25 20:41:02 +0000 | [diff] [blame] | 498 | void *xmalloc(size_t size) ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1)); |
| 499 | void *xcalloc(size_t nmemb, size_t size) |
| 500 | ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1, 2)); |
| 501 | void *xreallocarray(void *ptr, size_t nmemb, size_t size) |
| 502 | ATTRIBUTE_ALLOC_SIZE((2, 3)); |
| 503 | char *xstrdup(const char *str) ATTRIBUTE_MALLOC; |
| 504 | |
Denys Vlasenko | 76da831 | 2013-07-16 12:18:59 +0200 | [diff] [blame] | 505 | #if USE_CUSTOM_PRINTF |
Denys Vlasenko | 6e4f3c1 | 2012-04-16 18:22:19 +0200 | [diff] [blame] | 506 | /* |
Denys Vlasenko | 6e4f3c1 | 2012-04-16 18:22:19 +0200 | [diff] [blame] | 507 | * See comment in vsprintf.c for allowed formats. |
| 508 | * Short version: %h[h]u, %zu, %tu are not allowed, use %[l[l]]u. |
Denys Vlasenko | 6e4f3c1 | 2012-04-16 18:22:19 +0200 | [diff] [blame] | 509 | */ |
| 510 | int strace_vfprintf(FILE *fp, const char *fmt, va_list args); |
| 511 | #else |
| 512 | # define strace_vfprintf vfprintf |
| 513 | #endif |
| 514 | |
Dmitry V. Levin | bf2698a | 2016-07-03 22:15:45 +0000 | [diff] [blame] | 515 | extern int read_int_from_file(const char *, int *); |
| 516 | |
Dmitry V. Levin | 30145dd | 2010-09-06 22:08:24 +0000 | [diff] [blame] | 517 | extern void set_sortby(const char *); |
Andreas Schwab | e5355de | 2009-10-27 16:56:43 +0100 | [diff] [blame] | 518 | extern void set_overhead(int); |
Dmitry V. Levin | 30145dd | 2010-09-06 22:08:24 +0000 | [diff] [blame] | 519 | extern void qualify(const char *); |
Denys Vlasenko | 5a2483b | 2013-07-01 12:49:14 +0200 | [diff] [blame] | 520 | extern void print_pc(struct tcb *); |
Andreas Schwab | e5355de | 2009-10-27 16:56:43 +0100 | [diff] [blame] | 521 | extern int trace_syscall(struct tcb *); |
Dmitry V. Levin | ac5133d | 2014-05-29 18:10:00 +0000 | [diff] [blame] | 522 | extern void count_syscall(struct tcb *, const struct timeval *); |
Denys Vlasenko | d63b0d5 | 2012-03-23 11:26:36 +0100 | [diff] [blame] | 523 | extern void call_summary(FILE *); |
| 524 | |
Dmitry V. Levin | 9a176c9 | 2015-02-13 21:56:50 +0000 | [diff] [blame] | 525 | extern void clear_regs(void); |
Denys Vlasenko | ce7d953 | 2013-02-05 16:36:13 +0100 | [diff] [blame] | 526 | extern void get_regs(pid_t pid); |
Denys Vlasenko | 8497b62 | 2015-03-21 17:51:52 +0100 | [diff] [blame] | 527 | extern int get_scno(struct tcb *tcp); |
Mike Frysinger | d2eaf67 | 2015-08-18 03:24:59 -0400 | [diff] [blame] | 528 | extern const char *syscall_name(long scno); |
Dmitry V. Levin | 9a176c9 | 2015-02-13 21:56:50 +0000 | [diff] [blame] | 529 | |
Dmitry V. Levin | 9af94a2 | 2015-09-18 01:54:59 +0000 | [diff] [blame] | 530 | extern bool is_erestart(struct tcb *); |
Dmitry V. Levin | 3858b93 | 2015-09-18 01:54:59 +0000 | [diff] [blame] | 531 | extern void temporarily_clear_syserror(struct tcb *); |
| 532 | extern void restore_cleared_syserror(struct tcb *); |
| 533 | |
Denys Vlasenko | 7e69ed9 | 2015-03-21 19:50:53 +0100 | [diff] [blame] | 534 | extern int umoven(struct tcb *, long, unsigned int, void *); |
Denys Vlasenko | d63b0d5 | 2012-03-23 11:26:36 +0100 | [diff] [blame] | 535 | #define umove(pid, addr, objp) \ |
Denys Vlasenko | 7e69ed9 | 2015-03-21 19:50:53 +0100 | [diff] [blame] | 536 | umoven((pid), (addr), sizeof(*(objp)), (void *) (objp)) |
Dmitry V. Levin | 332a326 | 2015-07-05 22:09:29 +0000 | [diff] [blame] | 537 | extern int umoven_or_printaddr(struct tcb *, long, unsigned int, void *); |
| 538 | #define umove_or_printaddr(pid, addr, objp) \ |
| 539 | umoven_or_printaddr((pid), (addr), sizeof(*(objp)), (void *) (objp)) |
Dmitry V. Levin | 97e5996 | 2015-01-14 08:05:45 +0000 | [diff] [blame] | 540 | extern int umovestr(struct tcb *, long, unsigned int, char *); |
Denys Vlasenko | 752e5a0 | 2013-06-28 14:35:47 +0200 | [diff] [blame] | 541 | extern int upeek(int pid, long, long *); |
Dmitry V. Levin | 78ed3f3 | 2015-03-23 00:04:27 +0000 | [diff] [blame] | 542 | |
Dmitry V. Levin | 72e4f7a | 2016-05-06 23:26:43 +0000 | [diff] [blame] | 543 | extern bool |
| 544 | print_array(struct tcb *tcp, |
| 545 | const unsigned long start_addr, |
| 546 | const size_t nmemb, |
| 547 | void *const elem_buf, |
| 548 | const size_t elem_size, |
| 549 | int (*const umoven_func)(struct tcb *, |
| 550 | long, |
| 551 | unsigned int, |
| 552 | void *), |
| 553 | bool (*const print_func)(struct tcb *, |
| 554 | void *elem_buf, |
| 555 | size_t elem_size, |
| 556 | void *opaque_data), |
| 557 | void *const opaque_data); |
| 558 | |
Dmitry V. Levin | 8e8d7d2 | 2015-03-23 23:14:08 +0000 | [diff] [blame] | 559 | #if defined ALPHA || defined IA64 || defined MIPS \ |
| 560 | || defined SH || defined SPARC || defined SPARC64 |
Dmitry V. Levin | 78ed3f3 | 2015-03-23 00:04:27 +0000 | [diff] [blame] | 561 | # define HAVE_GETRVAL2 |
Denys Vlasenko | d63b0d5 | 2012-03-23 11:26:36 +0100 | [diff] [blame] | 562 | extern long getrval2(struct tcb *); |
Dmitry V. Levin | 78ed3f3 | 2015-03-23 00:04:27 +0000 | [diff] [blame] | 563 | #else |
| 564 | # undef HAVE_GETRVAL2 |
Denys Vlasenko | d63b0d5 | 2012-03-23 11:26:36 +0100 | [diff] [blame] | 565 | #endif |
Denys Vlasenko | d63b0d5 | 2012-03-23 11:26:36 +0100 | [diff] [blame] | 566 | |
Dmitry V. Levin | 3ed5d02 | 2014-09-10 13:46:04 +0000 | [diff] [blame] | 567 | extern const char *signame(const int); |
Denys Vlasenko | 7239dbc | 2013-03-05 15:46:34 +0100 | [diff] [blame] | 568 | extern void pathtrace_select(const char *); |
Denys Vlasenko | d63b0d5 | 2012-03-23 11:26:36 +0100 | [diff] [blame] | 569 | extern int pathtrace_match(struct tcb *); |
Denys Vlasenko | 61ad0a4 | 2013-03-06 18:24:34 +0100 | [diff] [blame] | 570 | extern int getfdpath(struct tcb *, int, char *, unsigned); |
Fabien Siron | 2850f74 | 2016-07-06 15:49:22 +0000 | [diff] [blame] | 571 | extern enum sock_proto getfdproto(struct tcb *, int); |
Denys Vlasenko | d63b0d5 | 2012-03-23 11:26:36 +0100 | [diff] [blame] | 572 | |
Dmitry V. Levin | c0db59b | 2016-05-14 21:55:35 +0000 | [diff] [blame] | 573 | extern const char *xlookup(const struct xlat *, const uint64_t); |
Dmitry V. Levin | 43242e6 | 2016-04-28 18:37:54 +0000 | [diff] [blame] | 574 | extern const char *xlat_search(const struct xlat *, const size_t, const uint64_t); |
Denys Vlasenko | d63b0d5 | 2012-03-23 11:26:36 +0100 | [diff] [blame] | 575 | |
Dmitry V. Levin | ea1fea6 | 2015-03-31 19:45:08 +0000 | [diff] [blame] | 576 | extern unsigned long get_pagesize(void); |
Dmitry V. Levin | ccee169 | 2012-03-25 21:49:48 +0000 | [diff] [blame] | 577 | extern int string_to_uint(const char *str); |
Denys Vlasenko | b338f2d | 2013-11-09 20:40:31 +0100 | [diff] [blame] | 578 | extern int next_set_bit(const void *bit_array, unsigned cur_bit, unsigned size_bits); |
Dmitry V. Levin | ccee169 | 2012-03-25 21:49:48 +0000 | [diff] [blame] | 579 | |
Dmitry V. Levin | 513e96e | 2015-01-26 01:17:08 +0000 | [diff] [blame] | 580 | #define QUOTE_0_TERMINATED 0x01 |
| 581 | #define QUOTE_OMIT_LEADING_TRAILING_QUOTES 0x02 |
| 582 | |
Dmitry V. Levin | 3c17d1b | 2016-02-01 23:14:59 +0000 | [diff] [blame] | 583 | extern int string_quote(const char *, char *, unsigned int, unsigned int); |
Dmitry V. Levin | 513e96e | 2015-01-26 01:17:08 +0000 | [diff] [blame] | 584 | extern int print_quoted_string(const char *, unsigned int, unsigned int); |
| 585 | |
Denys Vlasenko | c9d0fc0 | 2013-02-17 22:41:33 +0100 | [diff] [blame] | 586 | /* a refers to the lower numbered u_arg, |
| 587 | * b refers to the higher numbered u_arg |
Denys Vlasenko | d63b0d5 | 2012-03-23 11:26:36 +0100 | [diff] [blame] | 588 | */ |
Dmitry V. Levin | da126fb | 2015-12-14 11:57:59 +0000 | [diff] [blame] | 589 | #ifdef WORDS_BIGENDIAN |
Denys Vlasenko | c9d0fc0 | 2013-02-17 22:41:33 +0100 | [diff] [blame] | 590 | # define LONG_LONG(a,b) \ |
| 591 | ((long long)((unsigned long long)(unsigned)(b) | ((unsigned long long)(a)<<32))) |
Dmitry V. Levin | da126fb | 2015-12-14 11:57:59 +0000 | [diff] [blame] | 592 | #else |
| 593 | # define LONG_LONG(a,b) \ |
| 594 | ((long long)((unsigned long long)(unsigned)(a) | ((unsigned long long)(b)<<32))) |
Denys Vlasenko | d63b0d5 | 2012-03-23 11:26:36 +0100 | [diff] [blame] | 595 | #endif |
Dmitry V. Levin | 1ea6473 | 2015-01-10 00:08:58 +0000 | [diff] [blame] | 596 | extern int getllval(struct tcb *, unsigned long long *, int); |
Dmitry V. Levin | f523f10 | 2015-02-17 22:47:25 +0000 | [diff] [blame] | 597 | extern int printllval(struct tcb *, const char *, int) |
Dmitry V. Levin | 5647cf8 | 2015-03-29 22:45:03 +0000 | [diff] [blame] | 598 | ATTRIBUTE_FORMAT((printf, 2, 0)); |
Denys Vlasenko | c9d0fc0 | 2013-02-17 22:41:33 +0100 | [diff] [blame] | 599 | |
Dmitry V. Levin | 332a326 | 2015-07-05 22:09:29 +0000 | [diff] [blame] | 600 | extern void printaddr(long); |
Dmitry V. Levin | c132810 | 2016-04-28 18:42:10 +0000 | [diff] [blame] | 601 | extern void printxvals(const uint64_t, const char *, const struct xlat *, ...) |
Dmitry V. Levin | b0d23cc | 2016-04-01 00:52:01 +0000 | [diff] [blame] | 602 | ATTRIBUTE_SENTINEL; |
Andreas Schwab | e5355de | 2009-10-27 16:56:43 +0100 | [diff] [blame] | 603 | extern int printargs(struct tcb *); |
Dmitry V. Levin | 1ab6e25 | 2016-02-14 16:26:37 +0000 | [diff] [blame] | 604 | extern int printargs_u(struct tcb *); |
| 605 | extern int printargs_d(struct tcb *); |
| 606 | |
Dmitry V. Levin | c9146eb | 2016-04-28 18:19:27 +0000 | [diff] [blame] | 607 | extern void addflags(const struct xlat *, uint64_t); |
Dmitry V. Levin | 00beed6 | 2016-04-28 18:55:18 +0000 | [diff] [blame] | 608 | extern int printflags64(const struct xlat *, uint64_t, const char *); |
Dmitry V. Levin | 4811023 | 2016-05-15 14:26:03 +0000 | [diff] [blame] | 609 | extern const char *sprintflags(const char *, const struct xlat *, uint64_t); |
Dmitry V. Levin | 9134aab | 2016-05-14 21:46:05 +0000 | [diff] [blame] | 610 | extern const char *sprintmode(unsigned int); |
Dmitry V. Levin | b1a01b8 | 2014-12-06 03:53:16 +0000 | [diff] [blame] | 611 | extern const char *sprinttime(time_t); |
Dmitry V. Levin | 95cce4f | 2016-06-27 00:02:55 +0000 | [diff] [blame] | 612 | extern void decode_msghdr(struct tcb *, long, unsigned long); |
| 613 | extern void decode_mmsgvec(struct tcb *, unsigned long, unsigned int, bool); |
Dmitry V. Levin | 93c9d1c | 2016-01-20 03:26:37 +0000 | [diff] [blame] | 614 | extern void dumpiov_in_msghdr(struct tcb *, long, unsigned long); |
Masatake YAMATO | a807dce | 2014-11-07 01:23:26 +0900 | [diff] [blame] | 615 | extern void dumpiov_in_mmsghdr(struct tcb *, long); |
Dmitry V. Levin | 05a0af6 | 2016-01-20 00:17:02 +0000 | [diff] [blame] | 616 | extern void dumpiov_upto(struct tcb *, int, long, unsigned long); |
| 617 | #define dumpiov(tcp, len, addr) \ |
| 618 | dumpiov_upto((tcp), (len), (addr), (unsigned long) -1L) |
Andreas Schwab | e5355de | 2009-10-27 16:56:43 +0100 | [diff] [blame] | 619 | extern void dumpstr(struct tcb *, long, int); |
Denys Vlasenko | b5d43b8 | 2012-04-28 14:58:35 +0200 | [diff] [blame] | 620 | extern void printstr(struct tcb *, long, long); |
Dmitry V. Levin | d77f669 | 2015-08-18 21:57:27 +0000 | [diff] [blame] | 621 | extern bool printnum_short(struct tcb *, long, const char *) |
Dmitry V. Levin | c88163e | 2015-07-05 22:09:29 +0000 | [diff] [blame] | 622 | ATTRIBUTE_FORMAT((printf, 3, 0)); |
Dmitry V. Levin | d77f669 | 2015-08-18 21:57:27 +0000 | [diff] [blame] | 623 | extern bool printnum_int(struct tcb *, long, const char *) |
Dmitry V. Levin | 5647cf8 | 2015-03-29 22:45:03 +0000 | [diff] [blame] | 624 | ATTRIBUTE_FORMAT((printf, 3, 0)); |
Dmitry V. Levin | d77f669 | 2015-08-18 21:57:27 +0000 | [diff] [blame] | 625 | extern bool printnum_int64(struct tcb *, long, const char *) |
Dmitry V. Levin | c88163e | 2015-07-05 22:09:29 +0000 | [diff] [blame] | 626 | ATTRIBUTE_FORMAT((printf, 3, 0)); |
Dmitry V. Levin | 2479ef0 | 2015-08-18 14:58:27 +0000 | [diff] [blame] | 627 | |
| 628 | #if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4 |
Dmitry V. Levin | d77f669 | 2015-08-18 21:57:27 +0000 | [diff] [blame] | 629 | extern bool printnum_long_int(struct tcb *, long, const char *, const char *) |
Dmitry V. Levin | 2479ef0 | 2015-08-18 14:58:27 +0000 | [diff] [blame] | 630 | ATTRIBUTE_FORMAT((printf, 3, 0)) |
| 631 | ATTRIBUTE_FORMAT((printf, 4, 0)); |
| 632 | # define printnum_slong(tcp, addr) \ |
| 633 | printnum_long_int((tcp), (addr), "%" PRId64, "%d") |
| 634 | # define printnum_ulong(tcp, addr) \ |
| 635 | printnum_long_int((tcp), (addr), "%" PRIu64, "%u") |
| 636 | # define printnum_ptr(tcp, addr) \ |
| 637 | printnum_long_int((tcp), (addr), "%#" PRIx64, "%#x") |
| 638 | #elif SIZEOF_LONG > 4 |
| 639 | # define printnum_slong(tcp, addr) \ |
| 640 | printnum_int64((tcp), (addr), "%" PRId64) |
| 641 | # define printnum_ulong(tcp, addr) \ |
| 642 | printnum_int64((tcp), (addr), "%" PRIu64) |
| 643 | # define printnum_ptr(tcp, addr) \ |
| 644 | printnum_int64((tcp), (addr), "%#" PRIx64) |
| 645 | #else |
| 646 | # define printnum_slong(tcp, addr) \ |
| 647 | printnum_int((tcp), (addr), "%d") |
| 648 | # define printnum_ulong(tcp, addr) \ |
| 649 | printnum_int((tcp), (addr), "%u") |
| 650 | # define printnum_ptr(tcp, addr) \ |
| 651 | printnum_int((tcp), (addr), "%#x") |
Dmitry V. Levin | c88163e | 2015-07-05 22:09:29 +0000 | [diff] [blame] | 652 | #endif |
Dmitry V. Levin | 2479ef0 | 2015-08-18 14:58:27 +0000 | [diff] [blame] | 653 | |
Dmitry V. Levin | d77f669 | 2015-08-18 21:57:27 +0000 | [diff] [blame] | 654 | extern bool printpair_int(struct tcb *, long, const char *) |
Dmitry V. Levin | 69127a3 | 2015-07-05 22:09:29 +0000 | [diff] [blame] | 655 | ATTRIBUTE_FORMAT((printf, 3, 0)); |
Dmitry V. Levin | d77f669 | 2015-08-18 21:57:27 +0000 | [diff] [blame] | 656 | extern bool printpair_int64(struct tcb *, long, const char *) |
Dmitry V. Levin | 69127a3 | 2015-07-05 22:09:29 +0000 | [diff] [blame] | 657 | ATTRIBUTE_FORMAT((printf, 3, 0)); |
Andreas Schwab | e5355de | 2009-10-27 16:56:43 +0100 | [diff] [blame] | 658 | extern void printpath(struct tcb *, long); |
Dmitry V. Levin | 3ed5d02 | 2014-09-10 13:46:04 +0000 | [diff] [blame] | 659 | extern void printpathn(struct tcb *, long, unsigned int); |
Dmitry V. Levin | 2950de3 | 2015-09-18 17:44:16 +0000 | [diff] [blame] | 660 | #define TIMESPEC_TEXT_BUFSIZE \ |
| 661 | (sizeof(intmax_t)*3 * 2 + sizeof("{tv_sec=%jd, tv_nsec=%jd}")) |
Dmitry V. Levin | 3138213 | 2011-03-04 05:08:02 +0300 | [diff] [blame] | 662 | extern void printfd(struct tcb *, int); |
Dmitry V. Levin | 3bf9c19 | 2016-06-21 16:45:40 +0000 | [diff] [blame] | 663 | extern void print_sockaddr(struct tcb *tcp, const void *, int); |
Fabien Siron | 802cc28 | 2016-06-17 16:29:53 +0000 | [diff] [blame] | 664 | extern bool print_sockaddr_by_inode(const unsigned long, const enum sock_proto); |
Dmitry V. Levin | 3c17d1b | 2016-02-01 23:14:59 +0000 | [diff] [blame] | 665 | extern bool print_sockaddr_by_inode_cached(const unsigned long); |
Dmitry V. Levin | 99db95d | 2014-02-05 04:13:18 +0000 | [diff] [blame] | 666 | extern void print_dirfd(struct tcb *, int); |
Dmitry V. Levin | 42e566a | 2016-06-25 11:31:48 +0000 | [diff] [blame] | 667 | extern int decode_sockaddr(struct tcb *, long, int); |
Sergei Trofimovich | 02a08fb | 2011-08-11 18:04:53 +0300 | [diff] [blame] | 668 | #ifdef ALPHA |
| 669 | extern void printrusage32(struct tcb *, long); |
Dmitry V. Levin | 4cb5ccc | 2015-09-18 18:02:50 +0000 | [diff] [blame] | 670 | extern const char *sprint_timeval32(struct tcb *tcp, long); |
Dmitry V. Levin | f1e3a32 | 2015-09-18 15:16:11 +0000 | [diff] [blame] | 671 | extern void print_timeval32(struct tcb *tcp, long); |
| 672 | extern void print_timeval32_pair(struct tcb *tcp, long); |
Dmitry V. Levin | 322be80 | 2015-09-17 20:23:31 +0000 | [diff] [blame] | 673 | extern void print_itimerval32(struct tcb *tcp, long); |
Sergei Trofimovich | 02a08fb | 2011-08-11 18:04:53 +0300 | [diff] [blame] | 674 | #endif |
Dmitry V. Levin | 1da7c95 | 2014-12-13 18:24:13 +0000 | [diff] [blame] | 675 | extern void printuid(const char *, const unsigned int); |
Denys Vlasenko | 5e133aa | 2013-07-18 17:02:21 +0200 | [diff] [blame] | 676 | extern void print_sigset_addr_len(struct tcb *, long, long); |
Dmitry V. Levin | 74219ea | 2015-03-06 01:47:18 +0000 | [diff] [blame] | 677 | extern const char *sprintsigmask_n(const char *, const void *, unsigned int); |
| 678 | #define tprintsigmask_addr(prefix, mask) \ |
| 679 | tprints(sprintsigmask_n((prefix), (mask), sizeof(mask))) |
Andreas Schwab | e5355de | 2009-10-27 16:56:43 +0100 | [diff] [blame] | 680 | extern void printsignal(int); |
Fabien Siron | 2a54d8b | 2016-06-22 13:27:03 +0000 | [diff] [blame] | 681 | extern void tprint_iov(struct tcb *, unsigned long, unsigned long, enum iov_decode); |
| 682 | extern void tprint_iov_upto(struct tcb *, unsigned long, unsigned long, |
| 683 | enum iov_decode, unsigned long); |
Fabien Siron | 2850f74 | 2016-07-06 15:49:22 +0000 | [diff] [blame] | 684 | extern void decode_netlink(struct tcb *, unsigned long, unsigned long); |
Dmitry V. Levin | dd9a511 | 2016-04-28 23:40:37 +0000 | [diff] [blame] | 685 | extern void tprint_open_modes(unsigned int); |
| 686 | extern const char *sprint_open_modes(unsigned int); |
Dmitry V. Levin | 50a2651 | 2016-05-12 14:23:50 +0000 | [diff] [blame] | 687 | extern void print_seccomp_filter(struct tcb *, unsigned long); |
| 688 | extern void print_seccomp_fprog(struct tcb *, unsigned long, unsigned short); |
Grant Edwards | 8a08277 | 2011-04-07 20:25:40 +0000 | [diff] [blame] | 689 | |
Dmitry V. Levin | 67c2f67 | 2016-04-26 00:21:26 +0000 | [diff] [blame] | 690 | struct strace_statfs; |
| 691 | extern void print_struct_statfs(struct tcb *tcp, long); |
| 692 | extern void print_struct_statfs64(struct tcb *tcp, long, unsigned long); |
| 693 | |
Dmitry V. Levin | 45ae937 | 2016-06-23 17:38:18 +0000 | [diff] [blame] | 694 | extern void print_ifindex(unsigned int); |
Dmitry V. Levin | 45ae937 | 2016-06-23 17:38:18 +0000 | [diff] [blame] | 695 | |
Jeff Mahoney | 8cc6962 | 2016-05-18 18:09:39 -0400 | [diff] [blame] | 696 | extern int file_ioctl(struct tcb *, const unsigned int, long); |
Dmitry V. Levin | 4dd9f3f | 2016-05-26 00:37:26 +0000 | [diff] [blame] | 697 | extern int fs_x_ioctl(struct tcb *, const unsigned int, long); |
Dmitry V. Levin | c7afb48 | 2015-01-19 18:44:21 +0000 | [diff] [blame] | 698 | extern int loop_ioctl(struct tcb *, const unsigned int, long); |
Dmitry V. Levin | c7afb48 | 2015-01-19 18:44:21 +0000 | [diff] [blame] | 699 | extern int ptp_ioctl(struct tcb *, const unsigned int, long); |
Dmitry V. Levin | c7afb48 | 2015-01-19 18:44:21 +0000 | [diff] [blame] | 700 | extern int scsi_ioctl(struct tcb *, const unsigned int, long); |
| 701 | extern int sock_ioctl(struct tcb *, const unsigned int, long); |
| 702 | extern int term_ioctl(struct tcb *, const unsigned int, long); |
| 703 | extern int ubi_ioctl(struct tcb *, const unsigned int, long); |
Dr. David Alan Gilbert | 5d1216a | 2016-05-10 11:49:02 +0100 | [diff] [blame] | 704 | extern int uffdio_ioctl(struct tcb *, const unsigned int, long); |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 705 | |
Dmitry V. Levin | 447db45 | 2014-05-29 17:59:01 +0000 | [diff] [blame] | 706 | extern int tv_nz(const struct timeval *); |
| 707 | extern int tv_cmp(const struct timeval *, const struct timeval *); |
| 708 | extern double tv_float(const struct timeval *); |
| 709 | extern void tv_add(struct timeval *, const struct timeval *, const struct timeval *); |
| 710 | extern void tv_sub(struct timeval *, const struct timeval *, const struct timeval *); |
| 711 | extern void tv_mul(struct timeval *, const struct timeval *, int); |
| 712 | extern void tv_div(struct timeval *, const struct timeval *, int); |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 713 | |
Luca Clementi | 327064b | 2013-07-23 00:11:35 -0700 | [diff] [blame] | 714 | #ifdef USE_LIBUNWIND |
Masatake YAMATO | 6141392 | 2014-04-16 15:33:02 +0900 | [diff] [blame] | 715 | extern void unwind_init(void); |
| 716 | extern void unwind_tcb_init(struct tcb *tcp); |
| 717 | extern void unwind_tcb_fin(struct tcb *tcp); |
| 718 | extern void unwind_cache_invalidate(struct tcb* tcp); |
| 719 | extern void unwind_print_stacktrace(struct tcb* tcp); |
Masatake YAMATO | f8e39d7 | 2014-04-16 15:33:06 +0900 | [diff] [blame] | 720 | extern void unwind_capture_stacktrace(struct tcb* tcp); |
Luca Clementi | 327064b | 2013-07-23 00:11:35 -0700 | [diff] [blame] | 721 | #endif |
| 722 | |
Dmitry V. Levin | 00beed6 | 2016-04-28 18:55:18 +0000 | [diff] [blame] | 723 | static inline int |
| 724 | printflags(const struct xlat *x, unsigned int flags, const char *dflt) |
| 725 | { |
| 726 | return printflags64(x, flags, dflt); |
| 727 | } |
| 728 | |
Dmitry V. Levin | 77ab8dd | 2016-05-16 22:44:50 +0000 | [diff] [blame] | 729 | static inline int |
| 730 | printflags_long(const struct xlat *x, unsigned long flags, const char *dflt) |
| 731 | { |
| 732 | return printflags64(x, flags, dflt); |
| 733 | } |
| 734 | |
Dmitry V. Levin | 7d63aa5 | 2016-04-28 17:50:51 +0000 | [diff] [blame] | 735 | static inline void |
Dmitry V. Levin | 482bab0 | 2016-04-28 18:15:20 +0000 | [diff] [blame] | 736 | printxval64(const struct xlat *x, const uint64_t val, const char *dflt) |
| 737 | { |
| 738 | printxvals(val, dflt, x, NULL); |
| 739 | } |
| 740 | |
| 741 | static inline void |
Dmitry V. Levin | 7d63aa5 | 2016-04-28 17:50:51 +0000 | [diff] [blame] | 742 | printxval(const struct xlat *x, const unsigned int val, const char *dflt) |
| 743 | { |
| 744 | printxvals(val, dflt, x, NULL); |
| 745 | } |
| 746 | |
Dmitry V. Levin | 77ab8dd | 2016-05-16 22:44:50 +0000 | [diff] [blame] | 747 | static inline void |
| 748 | printxval_long(const struct xlat *x, const unsigned long val, const char *dflt) |
| 749 | { |
| 750 | printxvals(val, dflt, x, NULL); |
| 751 | } |
| 752 | |
Denys Vlasenko | 7de265d | 2012-03-13 11:44:31 +0100 | [diff] [blame] | 753 | /* Strace log generation machinery. |
| 754 | * |
| 755 | * printing_tcp: tcb which has incomplete line being printed right now. |
| 756 | * NULL if last line has been completed ('\n'-terminated). |
| 757 | * printleader(tcp) examines it, finishes incomplete line if needed, |
| 758 | * the sets it to tcp. |
| 759 | * line_ended() clears printing_tcp and resets ->curcol = 0. |
| 760 | * tcp->curcol == 0 check is also used to detect completeness |
| 761 | * of last line, since in -ff mode just checking printing_tcp for NULL |
| 762 | * is not enough. |
| 763 | * |
| 764 | * If you change this code, test log generation in both -f and -ff modes |
| 765 | * using: |
| 766 | * strace -oLOG -f[f] test/threaded_execve |
| 767 | * strace -oLOG -f[f] test/sigkill_rain |
| 768 | * strace -oLOG -f[f] -p "`pidof web_browser`" |
| 769 | */ |
| 770 | extern struct tcb *printing_tcp; |
| 771 | extern void printleader(struct tcb *); |
| 772 | extern void line_ended(void); |
| 773 | extern void tabto(void); |
Dmitry V. Levin | 5647cf8 | 2015-03-29 22:45:03 +0000 | [diff] [blame] | 774 | extern void tprintf(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2)); |
Denys Vlasenko | 7de265d | 2012-03-13 11:44:31 +0100 | [diff] [blame] | 775 | extern void tprints(const char *str); |
| 776 | |
Denys Vlasenko | 9fd4f96 | 2012-03-19 09:36:42 +0100 | [diff] [blame] | 777 | #if SUPPORTED_PERSONALITIES > 1 |
| 778 | extern void set_personality(int personality); |
Denys Vlasenko | ae8643e | 2013-02-15 14:55:14 +0100 | [diff] [blame] | 779 | extern unsigned current_personality; |
Denys Vlasenko | 9fd4f96 | 2012-03-19 09:36:42 +0100 | [diff] [blame] | 780 | #else |
| 781 | # define set_personality(personality) ((void)0) |
| 782 | # define current_personality 0 |
Denys Vlasenko | ae8643e | 2013-02-15 14:55:14 +0100 | [diff] [blame] | 783 | #endif |
| 784 | |
| 785 | #if SUPPORTED_PERSONALITIES == 1 |
| 786 | # define current_wordsize PERSONALITY0_WORDSIZE |
| 787 | #else |
| 788 | # if SUPPORTED_PERSONALITIES == 2 && PERSONALITY0_WORDSIZE == PERSONALITY1_WORDSIZE |
| 789 | # define current_wordsize PERSONALITY0_WORDSIZE |
| 790 | # else |
| 791 | extern unsigned current_wordsize; |
| 792 | # endif |
Denys Vlasenko | 9fd4f96 | 2012-03-19 09:36:42 +0100 | [diff] [blame] | 793 | #endif |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 794 | |
Denys Vlasenko | e015d2d | 2013-02-15 14:58:52 +0100 | [diff] [blame] | 795 | /* In many, many places we play fast and loose and use |
| 796 | * tprintf("%d", (int) tcp->u_arg[N]) to print fds, pids etc. |
| 797 | * We probably need to use widen_to_long() instead: |
| 798 | */ |
| 799 | #if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4 |
| 800 | # define widen_to_long(v) (current_wordsize == 4 ? (long)(int32_t)(v) : (long)(v)) |
| 801 | #else |
| 802 | # define widen_to_long(v) ((long)(v)) |
| 803 | #endif |
| 804 | |
Dmitry V. Levin | 84a979c | 2016-05-26 10:12:17 +0000 | [diff] [blame] | 805 | /* |
| 806 | * Widen without sign-extension a signed integer type to unsigned long long. |
| 807 | */ |
| 808 | #define widen_to_ull(v) \ |
| 809 | (sizeof(v) == sizeof(int) ? (unsigned long long) (unsigned int) (v) : \ |
| 810 | sizeof(v) == sizeof(long) ? (unsigned long long) (unsigned long) (v) : \ |
| 811 | (unsigned long long) (v)) |
| 812 | |
Denys Vlasenko | 9cbc15b | 2013-02-22 13:37:36 +0100 | [diff] [blame] | 813 | extern const struct_sysent sysent0[]; |
| 814 | extern const char *const errnoent0[]; |
| 815 | extern const char *const signalent0[]; |
| 816 | extern const struct_ioctlent ioctlent0[]; |
| 817 | extern qualbits_t *qual_vec[SUPPORTED_PERSONALITIES]; |
| 818 | #define qual_flags (qual_vec[current_personality]) |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 819 | |
Denys Vlasenko | 9cbc15b | 2013-02-22 13:37:36 +0100 | [diff] [blame] | 820 | #if SUPPORTED_PERSONALITIES > 1 |
Denys Vlasenko | a9fe13c | 2013-02-22 13:26:10 +0100 | [diff] [blame] | 821 | extern const struct_sysent *sysent; |
Denys Vlasenko | 39fca62 | 2011-08-20 02:12:33 +0200 | [diff] [blame] | 822 | extern const char *const *errnoent; |
Roland McGrath | ee36ce1 | 2004-09-04 03:53:10 +0000 | [diff] [blame] | 823 | extern const char *const *signalent; |
Denys Vlasenko | 9cbc15b | 2013-02-22 13:37:36 +0100 | [diff] [blame] | 824 | extern const struct_ioctlent *ioctlent; |
| 825 | #else |
| 826 | # define sysent sysent0 |
| 827 | # define errnoent errnoent0 |
| 828 | # define signalent signalent0 |
| 829 | # define ioctlent ioctlent0 |
| 830 | #endif |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 831 | |
Denys Vlasenko | 9cbc15b | 2013-02-22 13:37:36 +0100 | [diff] [blame] | 832 | extern unsigned nsyscalls; |
| 833 | extern unsigned nerrnos; |
Denys Vlasenko | afc6403 | 2011-08-23 13:29:01 +0200 | [diff] [blame] | 834 | extern unsigned nsignals; |
Denys Vlasenko | 9cbc15b | 2013-02-22 13:37:36 +0100 | [diff] [blame] | 835 | extern unsigned nioctlents; |
| 836 | extern unsigned num_quals; |
Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame] | 837 | |
Dmitry V. Levin | a8fce09 | 2016-05-21 22:53:06 +0000 | [diff] [blame] | 838 | #ifdef IN_MPERS_BOOTSTRAP |
| 839 | /* Transform multi-line MPERS_PRINTER_DECL statements to one-liners. */ |
| 840 | # define MPERS_PRINTER_DECL(type, name, ...) MPERS_PRINTER_DECL(type, name, __VA_ARGS__) |
| 841 | #else /* !IN_MPERS_BOOTSTRAP */ |
| 842 | # if SUPPORTED_PERSONALITIES > 1 |
| 843 | # include "printers.h" |
| 844 | # else |
| 845 | # include "native_printer_decls.h" |
| 846 | # endif |
| 847 | # define MPERS_PRINTER_DECL(type, name, ...) type MPERS_FUNC_NAME(name)(__VA_ARGS__) |
| 848 | #endif /* !IN_MPERS_BOOTSTRAP */ |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 849 | |
Denys Vlasenko | c956ef0 | 2013-02-16 14:25:56 +0100 | [diff] [blame] | 850 | /* |
| 851 | * If you need non-NULL sysent[scno].sys_func and sysent[scno].sys_name |
| 852 | */ |
Denys Vlasenko | 5721cdb | 2013-02-16 13:22:38 +0100 | [diff] [blame] | 853 | #define SCNO_IS_VALID(scno) \ |
Denys Vlasenko | c956ef0 | 2013-02-16 14:25:56 +0100 | [diff] [blame] | 854 | ((unsigned long)(scno) < nsyscalls && sysent[scno].sys_func) |
| 855 | |
| 856 | /* Only ensures that sysent[scno] isn't out of range */ |
| 857 | #define SCNO_IN_RANGE(scno) \ |
| 858 | ((unsigned long)(scno) < nsyscalls) |
Dmitry V. Levin | a0bd374 | 2015-04-07 01:36:50 +0000 | [diff] [blame] | 859 | |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 860 | #define MPERS_FUNC_NAME__(prefix, name) prefix ## name |
| 861 | #define MPERS_FUNC_NAME_(prefix, name) MPERS_FUNC_NAME__(prefix, name) |
| 862 | #define MPERS_FUNC_NAME(name) MPERS_FUNC_NAME_(MPERS_PREFIX, name) |
| 863 | |
Szabolcs Nagy | 34683e3 | 2015-12-15 18:32:17 +0000 | [diff] [blame] | 864 | #define SYS_FUNC_NAME(syscall_name) MPERS_FUNC_NAME(syscall_name) |
Dmitry V. Levin | a0bd374 | 2015-04-07 01:36:50 +0000 | [diff] [blame] | 865 | |
Szabolcs Nagy | 34683e3 | 2015-12-15 18:32:17 +0000 | [diff] [blame] | 866 | #define SYS_FUNC(syscall_name) int SYS_FUNC_NAME(sys_ ## syscall_name)(struct tcb *tcp) |
Elvira Khabirova | 0929422 | 2015-08-04 01:47:02 +0300 | [diff] [blame] | 867 | |
Jeff Mahoney | 1f3482b | 2016-03-31 00:34:17 -0400 | [diff] [blame] | 868 | /* |
| 869 | * The kernel used to define 64-bit types on 64-bit systems on a per-arch |
| 870 | * basis. Some architectures would use unsigned long and others would use |
| 871 | * unsigned long long. These types were exported as part of the |
| 872 | * kernel-userspace ABI and now must be maintained forever. This matches |
| 873 | * what the kernel exports for each architecture so we don't need to cast |
| 874 | * every printing of __u64 or __s64 to stdint types. |
| 875 | */ |
| 876 | #if SIZEOF_LONG == 4 |
| 877 | # define PRI__64 "ll" |
| 878 | #elif defined ALPHA || defined IA64 || defined MIPS || defined POWERPC |
| 879 | # define PRI__64 "l" |
| 880 | #else |
| 881 | # define PRI__64 "ll" |
| 882 | #endif |
| 883 | |
Dmitry V. Levin | e5c8849 | 2016-04-22 23:54:58 +0000 | [diff] [blame] | 884 | #define PRI__d64 PRI__64"d" |
Jeff Mahoney | 1f3482b | 2016-03-31 00:34:17 -0400 | [diff] [blame] | 885 | #define PRI__u64 PRI__64"u" |
| 886 | #define PRI__x64 PRI__64"x" |