README-valgrind

   1 #! /bin/bash
   2 # Convert this package for use with valgrind.
   3
   4 # Copyright (C) 2002-2023 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19
  20
  21 # Convert Makefile.am files:
  22 #  find tests -name check.mk | xargs grep -wl PATH |
  23 #    xargs perl -pi -e 's,src(\$\(PATH_SEPARATOR\)),src/vg$1,'
  24 # To restore:
  25 #  find tests -name check.mk | xargs grep -wl PATH |
  26 #    xargs perl -pi -e 's,src/vg,src,'
  27 #
  28 # Create this symlink for suppressions (this is no longer necessary,
  29 # with Linux kernel 2.6.9 and valgrind-2.2.0):
  30 # ln -s $PWD/.vg-suppressions /tmp/cu-vg
  31
  32
  33 # Create src/vg:
  34
  35 coreutils=$(echo 'spy:;@echo $(all_programs) $(noinst_PROGRAMS)' |
  36             (cd src; make -f Makefile -f - spy | tr -s '\n ' '  '))
  37 mkdir -p src/vg
  38 pwd=`pwd`
  39 srcdir=$pwd/src
  40 _path='export PATH='$srcdir':${PATH#*:}'
  41 pre='#!/bin/sh\n'"$_path"'\n'
  42 n=15 # stack trace depth
  43 log_fd=3 # One can redirect this to file like 3>vg.log
  44 test -e /tmp/cu-vg && suppressions='--supressions=/tmp/cu-vg'
  45 vg="exec /usr/bin/valgrind $suppressions --log-fd=$log_fd \
  46 --leak-check=yes --track-fds=yes --leak-check=full --num-callers=$n"
  47 cat <<EOF > src/vg/gen
  48 for i in $coreutils; do
  49   printf "$pre$vg -- \$i"' "\$@"\n' > \$i
  50   chmod a+x \$i
  51 done
  52 EOF
  53 cd src/vg
  54 . ./gen