1#! /bin/sh 2 3# filter the output of gdb. 4 5dir=`dirname $0` 6 7$dir/filter_stderr | 8 9# Anonymise addresses 10$dir/../tests/filter_addresses | 11 12# memcheck stuff 13$dir/filter_memcheck_monitor | 14 15 16# Anonymise or remove : 17# delete the initial lines between the launch of vgdb and the 18# output of the echo command telling it is launched. 19# This removes a whole lot of uninteresting lines varying 20# with OS/glibc/gdb dep 21# initial tty control character sent by gdb 7.0 22# remove missing debuginfos 23# vgdb message 24# pid numbers 25# Thread numbers 26# delete thread switches 27# info threads output (e.g. which thread is running and syscall) 28# delete Reading symbols file lines 29# delete Loaded symbols file lines 30# delete language switch messages. 31# remove gdb prompts. 32# remove gdb continuation prompts. 33# remove gdb done prompts. 34# a 'general' system calls stack trace part 35# a more specialised system call select stack trace part 36# (on 32 bits, we have an int_80, on 64 bits, directly select) 37# and yet another (gdb 7.0 way) to get a system call 38# and yet another (gdb 7.0 arm way) to get a system call 39# and cleanup some lines for a system call (on ubuntu 10 64 bits) 40# (pay attention : there are tab characters there in) 41# + yet another way to get a select system call 42# which registers can't be modified 43# special transform for arm/ppc watchpoints which have an additional address 44# at the beginning 45# SIGFPE backtrace is varying so much that we just remove all lines 46# after the signal trapping using an expr in this sed, followed by another sed. 47# transform info thread of 7.3 into the layout of 7.2 and before. 48# delete lines telling that some memory can't be accessed: this is 49# a.o. produced by gdb 7.2 on arm (same with standard gdbserver) 50# delete empty lines (the last line (only made of prompts) sometimes 51# finishes with a new line, sometimes not ???). 52sed -e '/Remote debugging using/,/vgdb launched process attached/d' \ 53 -e 's/^\[?1034hReading symbols/Reading symbols/' \ 54 -e '/^Missing separate debuginfo/d' \ 55 -e '/^Try: zypper install -C/d' \ 56 -e 's/\(relaying data between gdb and process \)[0-9][0-9]*/\1..../' \ 57 -e 's/pid [0-9][0-9]*/pid ..../g' \ 58 -e 's/Thread [0-9][0-9]*/Thread ..../g' \ 59 -e '/\[Switching to Thread ....\]/d' \ 60 -e 's/\(\[Switching to thread [1234] (Thread ....)\]\)#0/\1\n#0/' \ 61 -e 's/^\([ \* ] [0-9] Thread .... (tid [0-9] VgTs_WaitSys) 0x........ in\).*$/\1 syscall .../' \ 62 -e 's/#[0-9]\( 0x........ in sleeper_or_burner\)/#.\1/' \ 63 -e '/^Reading symbols from .*\.\.\.done\./d' \ 64 -e '/^Loaded symbols for .*$/d' \ 65 -e '/^Current language.*/d' \ 66 -e '/^The current source language is.*/d' \ 67 -e 's/(gdb) //g' \ 68 -e 's/^>[> ]*//' \ 69 -e '/^done\.$/d' \ 70 -e 's/in _dl_sysinfo_int80 () from \/lib\/ld-linux.so.*/in syscall .../' \ 71 -e 's/in kill ().*$/in syscall .../' \ 72 -e 's/in .*kill ().*$/in syscall .../' \ 73 -e 's/in _dl_sysinfo_int80 ()/in syscall .../' \ 74 -e '/^ from \/lib\/ld-linux.so.*$/d' \ 75 -e 's/\(0x........\) in ?? () from \/lib.*$/\1 in syscall .../' \ 76 -e 's/\(0x........\) in ?? ()$/\1 in syscall .../' \ 77 -e 's/in \(.__\)\{0,1\}select () from \/.*$/in syscall .../' \ 78 -e '/^ from \/lib\/libc.so.*$/d' \ 79 -e '/^ from \/lib64\/libc.so.*$/d' \ 80 -e '/^ from \/lib64\/.*\/libc.so.*$/d' \ 81 -e 's/in select ()$/in syscall .../' \ 82 -e 's/in \.__select ()$/in syscall .../' \ 83 -e 's/in select () at \.\.\/sysdeps\/unix\/syscall-template\.S.*$/in syscall .../' \ 84 -e '/^[ ]*at \.\.\/sysdeps\/unix\/syscall-template\.S/d' \ 85 -e '/^[ ]*in \.\.\/sysdeps\/unix\/syscall-template\.S/d' \ 86 -e '/^[1-9][0-9]*[ ]*\.\.\/sysdeps\/unix\/syscall-template\.S/d' \ 87 -e '/^[1-9][0-9]*[ ]in *\.\.\/sysdeps\/unix\/syscall-template\.S/d' \ 88 -e 's/\(Could not write register \)".*"/\1 "xxx"/' \ 89 -e 's/\(ERROR changing register \).*$/\1 xxx regno y/' \ 90 -e 's/0x........ in \(main (argc=1, argv=0x........) at watchpoints.c:[24][3689]\)/\1/' \ 91 -e 's/0x........ in \(main () at clean_after_fork.c:34\)/\1/' \ 92 -e 's/\(^.*signal SIGFPE.*$\)/\1\nafter trap SIGFPE/' \ 93 -e '/Id Target Id Frame/d' \ 94 -e 's/^\([ \*] [1234] \) *Thread /\1Thread /' \ 95 -e 's/VgTs_WaitSys) 0x/VgTs_WaitSys) 0x/' \ 96 -e '/Cannot access memory at address 0x......../d' \ 97 -e '/^$/d' | 98 99# remove all the lines telling where the SIGFPE was trapped. 100sed -e '/after trap SIGFPE/,/after continue SIGFPE/d' | 101 102# join together two lines that gdb 7.1 splits in two (???) 103# (in a separate sed, as the below influences the behaviour of the other expressions) 104sed -e :a -e '$!N;s/\n at sleepers.c:39/ at sleepers.c:39/;ta' -e 'P;D' 105 106