gdbserver_tests/filter_gdb.in

   1 #! /bin/sh
   2 # @configure_input@
   3
   4 # filter the output of gdb.
   5
   6 SED=@SED@
   7
   8 PATTERNFILE=$(mktemp filter_gdb.tmp.XXXXXXXXXX)
   9 cat > $PATTERNFILE <<EOF
  10 #       delete the initial lines between the launch of vgdb and the
  11 #         output of the echo command telling it is launched.
  12 #         This removes a whole lot of uninteresting lines varying
  13 #         with OS/glibc/gdb dep
  14 /Remote debugging using/,/vgdb launched process attached/d
  15
  16 #       general way to delete uninteresting and varying lines.
  17 /filter_gdb BEGIN drop/,/filter_gdb END drop/d
  18
  19 #       delete messages produced by valgrind python code loading.
  20 /Loaded.*valgrind-monitor.py$/d
  21 /Type "help valgrind" for more info\.$/d
  22 #       and remove loading error messages when python scripts haven't
  23 #       been installed yet (running against vg-in-place)
  24 /warning: Missing auto-load script.*/d
  25 /of file .*vgpreload.*so.*/d
  26 /Use.*info auto-load python-scripts.*/d
  27
  28 #       delete messages produced when GDB auto-load denies loading python code.
  29 #       Note that the first pattern is also present in filter_vgdb.in
  30 #       as this line is output on stderr.
  31 /warning: File .*valgrind-monitor.py.*declined.*/d
  32 /To enable execution of this file add/,/info "(gdb)Auto-loading safe path"/d
  33
  34 #       initial tty control character sent by gdb 7.0
  35 s/^\e\[?1034hReading symbols/Reading symbols/
  36
  37 #       remove message about missing debuginfos
  38 /^Missing separate debuginfo/d
  39
  40 #       remove messages about not being able to download debuginfos
  41 /^Download failed: /d
  42
  43 #       suppress lines telling file _exit.c does not exist
  44 /\/_exit.c: No such file or directory/d
  45
  46 #       On FreeBSD if the base and/or lib32 dbg components
  47 #       are installed but not system source then these
  48 #       errors get produced by GDB
  49 /\(rtld_start.S\|kill.S\|_exit.S\|_select.S\): No such file or directory/d
  50
  51 #       FreeBSD syscall wrapper macros
  52 /PSEUDO(select)/d
  53 /RSYSCALL(kill)/d
  54
  55 #       Remove some Suse package manager messages
  56 /^Try: zypper install -C/d
  57
  58 #      Remove python rpm module load warning
  59 /^Unable to load /d
  60 /^the RPM suggestions /d
  61 /^installing missing debuginfo /d
  62 /^please install /d
  63
  64 #       Remove vgdb message
  65 /relaying data between gdb and process/d
  66
  67 #       Anonymise pid numbers
  68 s/pid [0-9][0-9]*/pid ..../g
  69
  70 #      Align the 'delete' prompt to the GDB 15 prompt
  71 s/Delete all breakpoints?/Delete all breakpoints, watchpoints, tracepoints, and catchpoints?/
  72
  73 #      Align the 'remote failure reply' string to the GDB 15 behaviour.
  74 s/remote failure reply 'E\./remote failure reply '/
  75
  76 #       filter 'remote target killed' messages (produced by gdb >= 8.2)
  77 /(Remote target) killed/d
  78
  79 #       Anonymise Thread numbers
  80 s/Thread [0-9][0-9]*/Thread ..../g
  81
  82 #       delete thread switches
  83 /\[Switching to Thread ....\]/d
  84
  85 #       delete thread exiting
  86 /\[Thread .... exited\]/d
  87
  88 #       ??? Probably we had a 'Switching ' message in front of
  89 #        a frame line ?
  90 s/\(\[Switching to thread [1234] (Thread ....)\]\)#0/\1\n#0/
  91
  92 #       Anonymise info threads output (e.g. which thread is running and syscall)
  93 s/^\([ \* ] [0-9] Thread .... (tid [0-9] VgTs_WaitSys)  0x........ in\).*$/\1 syscall .../
  94
  95 #       Newer gdb say Thread .... hit Breakpoint, we expect just Breakpoint.
  96 s/^Thread .... hit Breakpoint /Breakpoint /
  97
  98 #       We expect "Program received" instead of "Thread .... received"
  99 s/^Thread .... received /Program received /
 100
 101 s/#[0-9]\(  0x........ in sleeper_or_burner\)/#.\1/
 102
 103 #       Some gdb versions don't show the source line:number after switching
 104 #               threads in #0  0x........ in do_burn ().
 105 s/\(#0  0x........ in do_burn ()\) at sleepers.c:41/\1/
 106
 107
 108 #       delete Reading symbols file lines
 109 #       Note: The 'done.' in "Reading symbols from <exe>...done."
 110 #         is optional (bugzilla 406357).
 111 /^Reading symbols from .*\.\.\.\(done\.\)\?/d
 112
 113 #       delete Loaded symbols file lines
 114 /^Loaded symbols for .*$/d
 115
 116 #       delete language switch messages.
 117 /^Current language.*/d
 118 /^The current source language is.*/d
 119
 120 #       'exited with code' and 'exited normally' are printed slightly
 121 #       differently between gdb versions, normalize to "Program exited...".
 122 s/^.*\( exited with code [0-9]\+\).$/Program\1\./g
 123 s/^.*\( exited normally\).$/Program\1\./g
 124
 125 #       remove gdb prompts.
 126 s/(gdb) //g
 127
 128 #       remove gdb continuation prompts.
 129 s/^>[> ]*//
 130
 131 #       remove gdb done prompts.
 132 /^done\.$/d
 133
 134 #       anonymise a 'general' system calls stack trace part
 135 s/in _dl_sysinfo_int80 () from \/lib\/ld-linux.so.*/in syscall .../
 136
 137 #       anonymise kill syscall.
 138 s/in kill ().*$/in syscall .../
 139
 140 #       anonymise syscall on ppc64 (bugzilla #284305)
 141 s/in .*kill ().*$/in syscall .../
 142
 143 s/in _dl_sysinfo_int80 ()/in syscall .../
 144 /^   from \/lib\/ld-linux.so.*$/d
 145 s/\(0x........\) in ?? () from \/lib.*$/\1 in syscall .../
 146 s/\(0x........\) in ?? ()$/\1 in syscall .../
 147 s/in __select64 (.*/in syscall .../
 148
 149 #       4 expressions to cover glibc 2.27 way to do a select, such as
 150 #          * 1    Thread 5548 (tid 1 VgTs_WaitSys) 0x0000000004f6203f in __GI___select (
 151 #              nfds=0, readfds=0x0, writefds=0x0, exceptfds=0x0, timeout=0x30a0e0 <t>)
 152 #              at ../sysdeps/unix/sysv/linux/select.c:41
 153 #         If select.c sources are present, we can also get a line containing:
 154 #              return SYSCALL_CANCEL....
 155 s/in __select .*/in syscall .../
 156 s/in __select$/in syscall .../
 157 s/in _select ()/in syscall .../
 158 /nfds=/d
 159 /exceptfds=/d
 160 /timeout=/d
 161 /sysv\/linux\/select\.c/d
 162 /sysv\/linux\/generic\/select.c/d
 163 /return SYSCALL_CANCEL /d
 164 /r = SYSCALL_CANCEL /d
 165 /result = SYSCALL_CANCEL /d
 166
 167 #       a more specialised system call select stack trace part
 168 #             (on 32 bits, we have an int_80, on 64 bits, directly select)
 169 s/in \(.__\)\{0,1\}select () from \/.*$/in syscall .../
 170
 171 /^   from \/lib.*\/libc.so.*$/d
 172 /^   from \/lib64.*\/libc.so.*$/d
 173 /^   from \/lib64.*\/.*\/libc.so.*$/d
 174 /^   from \/lib64.*\/.*\/libc-.*.so/d
 175 s/ from \/lib\/libc\.so.*//
 176
 177 #       and yet another (gdb 7.0 way) to get a system call
 178 s/in select ()$/in syscall .../
 179
 180 #       and yet another (gdb 7.0 arm way) to get a system call
 181 s/in \.__select ()$/in syscall .../
 182
 183 #           + yet another way to get a select system call
 184 s/in select () at \.\.\/sysdeps\/unix\/syscall-template\.S.*$/in syscall .../
 185
 186 #          FreeBSD system call
 187 s/_select () at _select.S:.*$/0x........ in syscall .../
 188
 189 #          FreeBSD system call again
 190 /in _select.S/d
 191
 192 #          FreeBSD system call
 193 s/kill () at kill.S:.*$/0x........ in syscall .../
 194
 195 #      filter out names which starts with a "."
 196 #      such names are used for "function descriptors" on ppc64
 197 #      bugzilla 406561
 198 s/in \.__select () at \.\.\/sysdeps\/unix\/syscall-template\.S.*$/in syscall .../
 199
 200 #       cleanup some lines for a system call (on ubuntu 10 64 bits)
 201 #           (pay attention : there are tab characters there in)
 202 /^[     ]*at \.\.\/sysdeps\/unix\/syscall-template\.S/d
 203 /^[     ]*in \.\.\/sysdeps\/unix\/syscall-template\.S/d
 204
 205 /^\(warning: \)\?[1-9][0-9]*[   ]*\.\.\/sysdeps\/unix\/syscall-template\.S/d
 206 /^[1-9][0-9]*[  ]in *\.\.\/sysdeps\/unix\/syscall-template\.S/d
 207 /^[1-9][0-9]*[  ]T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)/d
 208
 209 #       and yet another (Solaris way) to get a poll system call
 210 #             (on 32 bits, we have /lib/libc.so.*, on 64 bits, /lib/64/libc.so.*)
 211 s/in __pollsys () from \/.*$/in syscall .../
 212 /^   from \/lib\/64\/libc.so.*$/d
 213
 214 #       which registers can't be modified
 215 s/\(Could not write register \)".*"/\1 "xxx"/
 216 s/\(ERROR changing register \).*$/\1 xxx regno y/
 217
 218 #       special transform for arm/ppc watchpoints which have an additional address
 219 #              at the beginning
 220 s/0x........ in \(main (argc=1, argv=0x........) at watchpoints.c:[24][3689]\)/\1/
 221
 222 s/0x........ in \(main () at clean_after_fork.c:34\)/\1/
 223
 224 #       SIGFPE backtrace is varying so much that we just remove all lines
 225 #       after the signal trapping using an expr in this sed, followed by another sed.
 226 s/\(^.*signal SIGFPE.*$\)/\1\nafter trap SIGFPE/
 227
 228 #       gdb might also try to show the "entry value" p=p@entry=0x...
 229 s/p=p@entry=0x/p=0x/
 230
 231 #       for hgtls the breakpoint p=... address might show var location.
 232 s/\(^Breakpoint 1, tls_ptr (p=0x........\) <tests[0-9+]*>\() at tls.c:55\)/\1\2/
 233
 234 /Id   Target Id *Frame/d
 235 s/^\([ \*] [1234] \) *Thread /\1Thread /
 236
 237 #       Ordering of '  Thread .... (tid .' might differ between gdb version,
 238 #       so remove all such lines except the "current" one (starts with '*').
 239 s/^  [0-9] Thread .... (tid [0-9] .*$//
 240
 241 #       transform info thread of 7.3 into the layout of 7.2 and before.
 242 s/VgTs_WaitSys) 0x/VgTs_WaitSys)  0x/
 243
 244 #       delete lines telling that some memory can't be accessed: this is
 245 #         a.o. produced by gdb 7.2 on arm (same with standard gdbserver)
 246 /Cannot access memory at address 0x......../d
 247
 248 #       Filter 'New thread' lines
 249 #       gdb 7.9 reports new threads at different moment than the previous versions.
 250 #       Filter these new threads lines so as to not be dependent on this
 251 #       gdb aspect.
 252 /\[New Thread/d
 253
 254 #       406355
 255 #       adjust filtering for the new gdb output
 256 #       mcsigpass and mcsignopass tests fails due to the slightly different
 257 #       gdb output. Filter the tests output to make it the same for different
 258 #       gdb version. Change mcsigpass and mcsignopass .exp to fit filtered
 259 #       .out.
 260 s/^0x........ in \(\w\+ (\)/\1/
 261
 262 #       delete empty lines (the last line (only made of prompts) sometimes
 263 #           finishes with a new line, sometimes not ???).
 264 /^$/d
 265
 266 #       delete any missing debuginfo messages
 267 /^Missing debuginfo.*/d
 268
 269 EOF
 270
 271 dir=`dirname $0`
 272
 273 $dir/filter_stderr                                                  |
 274
 275 # Anonymise addresses
 276 $dir/../tests/filter_addresses                                      |
 277
 278 # memcheck stuff
 279 $dir/filter_memcheck_monitor "$@"                                   |
 280
 281 # memcheck filter might leave some "..." lines, we are not interested
 282 $SED -e '/^\ \ \ \ \.\.\.$/d'                                        |
 283
 284 # Anonymise or remove, using the big list of PATTERN prepared above
 285 $SED -f $PATTERNFILE |
 286
 287 # remove all the lines telling where the SIGFPE was trapped.
 288 $SED -e '/after trap SIGFPE/,/after continue SIGFPE/d'                                              |
 289
 290 # join together two lines that gdb 7.1 splits in two (???)
 291 # (in a separate sed, as the below influences the behaviour of the other expressions)
 292 $SED    -e :a -e '$!N;s/\n    at sleepers.c:39/ at sleepers.c:39/;ta' -e 'P;D'
 293
 294 rm $PATTERNFILE