vendor/backtrace/ci/debuglink.sh

   1 #!/bin/bash
   2
   3 # Debuglink tests.
   4 # We build crates/debuglink and then move its debuginfo around
   5 # and test that it can still find the debuginfo.
   6
   7 set -ex
   8
   9 cratedir=`pwd`/crates/debuglink
  10 exefile=crates/debuglink/target/debug/debuglink
  11
  12 # Baseline; no separate debug
  13 cargo build --manifest-path crates/debuglink/Cargo.toml
  14 $exefile $cratedir
  15
  16 # Separate debug in same dir
  17 debugfile1=`dirname $exefile`/debuglink.debug
  18 objcopy --only-keep-debug $exefile $debugfile1
  19 strip -g $exefile
  20 (cd `dirname $exefile` && objcopy --add-gnu-debuglink=debuglink.debug debuglink)
  21 $exefile $cratedir
  22
  23 # Separate debug in .debug subdir
  24 debugfile2=`dirname $exefile`/.debug/debuglink.debug
  25 mkdir -p `dirname $debugfile2`
  26 mv $debugfile1 $debugfile2
  27 $exefile $cratedir
  28
  29 # Separate debug in /usr/lib/debug subdir
  30 debugfile3="/usr/lib/debug/$cratedir/target/debug/debuglink.debug"
  31 mkdir -p `dirname $debugfile3`
  32 mv $debugfile2 $debugfile3
  33 $exefile $cratedir
  34
  35 # Separate debug in /usr/lib/debug/.build-id subdir
  36 id=`readelf -n $exefile | grep '^    Build ID: [0-9a-f]' | cut -b 15-`
  37 idfile="/usr/lib/debug/.build-id/${id:0:2}/${id:2}.debug"
  38 mkdir -p `dirname $idfile`
  39 mv $debugfile3 $idfile
  40 $exefile $cratedir
  41
  42 # Replace idfile with a symlink (this is the usual arrangement)
  43 mv $idfile $debugfile3
  44 ln -s $debugfile3 $idfile
  45 $exefile $cratedir
  46
  47 # Supplementary object file using relative path
  48 dwzfile="/usr/lib/debug/.dwz/debuglink.debug"
  49 mkdir -p `dirname $dwzfile`
  50 cp $debugfile3 $debugfile3.copy
  51 dwz -m $dwzfile -rh $debugfile3 $debugfile3.copy
  52 rm $debugfile3.copy
  53 $exefile $cratedir
  54
  55 # Supplementary object file using build ID
  56 dwzid=`readelf -n $dwzfile | grep '^    Build ID: [0-9a-f]' | cut -b 15-`
  57 dwzidfile="/usr/lib/debug/.build-id/${dwzid:0:2}/${dwzid:2}.debug"
  58 mkdir -p `dirname $dwzidfile`
  59 mv $dwzfile $dwzidfile
  60 $exefile $cratedir
  61 mv $dwzidfile $dwzfile
  62
  63 # Missing debug should fail
  64 mv $debugfile3 $debugfile3.tmp
  65 ! $exefile $cratedir
  66 mv $debugfile3.tmp $debugfile3
  67
  68 # Missing dwz should fail
  69 mv $dwzfile $dwzfile.tmp
  70 ! $exefile $cratedir
  71 mv $dwzfile.tmp $dwzfile
  72
  73 # Cleanup
  74 rm $idfile $debugfile3 $dwzfile
  75 echo Success