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93
scripts/debug/debug-fgfs
Executable file
93
scripts/debug/debug-fgfs
Executable file
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#!/bin/bash
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# $Id$
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#
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#
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# To use this script you need
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# - a Linux system >=2.4 with libc >=2.2.*
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# - the valgrind debugger (http://www.valgrind.org/)
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# - lots of memory (RAM + swap space > 600MB!) and
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# - a fast computer =or= a lot of patience.
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#
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# It is useful (but not required) to compile FlightGear without
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# any optimizations (-O0 without -funroll-loops etc.). Otherwise
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# the debug messages might not seem to make sense in some cases.
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#
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# The sample suppression file is designed for a SuSE 7.1 system
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# with Linux 2.4.18, XFree86 4.2.0 and a 3dfx card. Don't use it
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# as it is, but create your own! You will likely have different
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# libraries with different bugs.
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#
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# If you have problems with valgrind and FlightGear, don't bother
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# the valgrind author -- ask on the flightgear-devel list first!
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#
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#
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#
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# adapt the following two entries to your needs:
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#
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fgfs="../../src/Main/fgfs"
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opt="--log-level=info --disable-game-mode --aircraft=ufo --geometry=800x600"
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gdb="--db-attach=yes"
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cmd=
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extra=
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while true; do
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case "$1" in
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-h|--help) cat <<-EOF
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debug [-r] [-g] [-i] [-b] [-c] [-x] [-h]
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-r run fgfs
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-g|-d run fgfs with gdb
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-D run fgfs with ddd
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-i interactive valgrind run (default)
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-p calltree profile run
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-b valgrind batch run
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-c start gdb with most recent core dump
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-s print suppression info
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-l enable leak/reachable check
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-h show this help screen
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EOF
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exit 0
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;;
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-r) cmd="$fgfs $opt" ;;
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-g|-d) cmd="gdb -x .gdbinit $fgfs" ;;
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-D) cmd="ddd -x .gdbinit $fgfs" ;;
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-m) cmd="make -C ../.." ;;
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-i) cmd=""; gdb="" ;;
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-p) cmd="callgrind --dump-instr=yes --trace-jump=yes --dump-threads=yes $fgfs $opt"; gdb="" ;;
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-b) gdb="" ;;
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-s) extra="$extra --gen-suppressions=yes" ;;
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-l) extra="$extra --leak-check=yes --show-reachable=yes" ;;
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-c) core=$(ls -t core* 2>/dev/null|head -1)
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if test -z $core; then
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echo "$0: there's no core file"
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exit 1
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fi
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cmd="gdb $fgfs $core"
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;;
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*) break ;;
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esac
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shift
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done
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if ! test -e "$fgfs"; then
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echo "$0: there's no fgfs executable $fgfs"
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exit 2
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fi
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echo "set args $opt" > .gdbinit
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echo "handle SIG32 nostop noprint" >> .gdbinit # work around gdb bug
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test -e fgfs.supp || head -14 sample.fgfs.supp > fgfs.supp
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test -z "$cmd" && cmd="nice valgrind \
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--tool=memcheck $gdb --num-callers=64 \
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--suppressions=fgfs.supp \
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--error-limit=no \
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$extra $* $fgfs $opt"
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echo "command: $cmd"
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#export LD_PRELOAD='/usr/lib/GL/libGL.so.1.3.mesasoft'
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#export __GL_FORCE_GENERIC_CPU=1
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exec $cmd
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100
scripts/debug/sample.fgfs.supp
Normal file
100
scripts/debug/sample.fgfs.supp
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# valgrind suppression rules for FlightGear
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# Format of this file is:
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# {
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# name_of_suppression
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# kind: one of Param Value1 Value2 Value4 Value8
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# Cond Free PThread Addr1 Addr2 Addr4 Addr8
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# (if Param: name of system call param, if Free: name of free-ing fn)
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# caller0 name, or /name/of/so/file.so
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# caller1 name, or ditto
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# (optionally: caller2 name)
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# (optionally: caller3 name)
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# }
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# sample rules for Linux kernel 2.4, glibc 2.2.4, XFree86 4.2.0, 3dfx
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{
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_dlopen_signal_error(Addr1)
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Addr1
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fun:_dl_signal_error
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fun:_dl_open
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fun:dlopen_doit
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}
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{
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_dl_signal_error(Addr4)
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Addr4
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fun:_dl_signal_error
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fun:_dl_open
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fun:dlopen_doit
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}
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{
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memcpy(Addr1)
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Addr1
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fun:memcpy
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fun:_dl_signal_error
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fun:_dl_open
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fun:dlopen_doit
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}
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{
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memcpy(Addr4)
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Addr4
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fun:memcpy
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fun:_dl_signal_error
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fun:_dl_open
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fun:dlopen_doit
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}
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{
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ioctl(generic)/(Param)
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Param
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ioctl(generic)
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fun:__ioctl
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fun:driMesaCreateScreen
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fun:__driCreateScreen
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}
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{
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Mesa/texsubimage2d...(Addr1)
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Addr1
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fun:texsubimage2d_*_to_*
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fun:convert_texsubimage2d_*
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fun:_mesa_convert_texsubimage2d
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fun:tdfxDDTexImage2D
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}
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{
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Mesa/texsubimage2d...(Addr4)
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Addr4
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fun:texsubimage2d_*_to_*
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fun:convert_texsubimage2d_*
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fun:_mesa_convert_texsubimage2d
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fun:tdfxDDTexImage2D
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}
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{
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Mesa/texsubimage2d...(Value1)
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Value1
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fun:texsubimage2d_*_to_*
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fun:convert_texsubimage2d_*
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fun:_mesa_convert_texsubimage2d
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fun:tdfxDDTexImage2D
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}
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{
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known-plib-bug/already_reported(Cond)
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Cond
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fun:removeEntity__7ssgListUi
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}
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{
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zlib/pthread-bug(PThread)
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PThread
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fun:pthread_error
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fun:__pthread_mutex_destroy
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fun:_IO_default_finish
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}
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