libbacktrace/install-debuginfo-for-buildid.sh.in

   1 #!/bin/sh
   2
   3 # install-debug-info-for-buildid.sh -- Helper script for libbacktrace library
   4 # testing.
   5 # Copyright (C) 2019-2024 Free Software Foundation, Inc.
   6
   7 # Redistribution and use in source and binary forms, with or without
   8 # modification, are permitted provided that the following conditions are
   9 # met:
  10
  11 #     (1) Redistributions of source code must retain the above copyright
  12 #     notice, this list of conditions and the following disclaimer.
  13
  14 #     (2) Redistributions in binary form must reproduce the above copyright
  15 #     notice, this list of conditions and the following disclaimer in
  16 #     the documentation and/or other materials provided with the
  17 #     distribution.
  18
  19 #     (3) The name of the author may not be used to
  20 #     endorse or promote products derived from this software without
  21 #     specific prior written permission.
  22
  23 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  24 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  25 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  26 # DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  27 # INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  28 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  29 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  31 # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  32 # IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33 # POSSIBILITY OF SUCH DAMAGE.
  34
  35 # Extract build-id from src, and copy debug info of src to
  36 # $build_id_dir/aa/bb...zz.debug.
  37
  38 set -e
  39
  40 sed=@SED@
  41 awk=@AWK@
  42 grep=@GREP@
  43 objcopy=@OBJCOPY@
  44 readelf=@READELF@
  45 mkdir_p="@MKDIR_P@"
  46
  47 build_id_dir="$1"
  48 src="$2"
  49
  50 buildid=$(LANG=C $readelf -n $src \
  51               | $grep "Build ID" \
  52               | $awk '{print $3}')
  53
  54 prefix=$(echo $buildid \
  55              | $sed 's/^\(.\{2\}\).*/\1/')
  56
  57 remainder=$(echo $buildid \
  58                 | $sed 's/^.\{2\}//')
  59
  60 dir=$build_id_dir/$prefix
  61 dst=$dir/$remainder.debug
  62
  63 $mkdir_p $dir
  64
  65 $objcopy --only-keep-debug $src $dst