1 files changed, 75 insertions, 0 deletions
diff --git a/library/backtrace/ci/debuglink.sh b/library/backtrace/ci/debuglink.sh
new file mode 100755
index 000000000..b2da2013d
--- /dev/null
+++ b/library/backtrace/ci/debuglink.sh
@@ -0,0 +1,75 @@
+#!/bin/bash
+
+# Debuglink tests.
+# We build crates/debuglink and then move its debuginfo around
+# and test that it can still find the debuginfo.
+
+set -ex
+
+cratedir=`pwd`/crates/debuglink
+exefile=crates/debuglink/target/debug/debuglink
+
+# Baseline; no separate debug
+cargo build --manifest-path crates/debuglink/Cargo.toml
+$exefile $cratedir
+
+# Separate debug in same dir
+debugfile1=`dirname $exefile`/debuglink.debug
+objcopy --only-keep-debug $exefile $debugfile1
+strip -g $exefile
+(cd `dirname $exefile` && objcopy --add-gnu-debuglink=debuglink.debug debuglink)
+$exefile $cratedir
+
+# Separate debug in .debug subdir
+debugfile2=`dirname $exefile`/.debug/debuglink.debug
+mkdir -p `dirname $debugfile2`
+mv $debugfile1 $debugfile2
+$exefile $cratedir
+
+# Separate debug in /usr/lib/debug subdir
+debugfile3="/usr/lib/debug/$cratedir/target/debug/debuglink.debug"
+mkdir -p `dirname $debugfile3`
+mv $debugfile2 $debugfile3
+$exefile $cratedir
+
+# Separate debug in /usr/lib/debug/.build-id subdir
+id=`readelf -n $exefile | grep '^    Build ID: [0-9a-f]' | cut -b 15-`
+idfile="/usr/lib/debug/.build-id/${id:0:2}/${id:2}.debug"
+mkdir -p `dirname $idfile`
+mv $debugfile3 $idfile
+$exefile $cratedir
+
+# Replace idfile with a symlink (this is the usual arrangement)
+mv $idfile $debugfile3
+ln -s $debugfile3 $idfile
+$exefile $cratedir
+
+# Supplementary object file using relative path
+dwzfile="/usr/lib/debug/.dwz/debuglink.debug"
+mkdir -p `dirname $dwzfile`
+cp $debugfile3 $debugfile3.copy
+dwz -m $dwzfile -rh $debugfile3 $debugfile3.copy
+rm $debugfile3.copy
+$exefile $cratedir
+
+# Supplementary object file using build ID
+dwzid=`readelf -n $dwzfile | grep '^    Build ID: [0-9a-f]' | cut -b 15-`
+dwzidfile="/usr/lib/debug/.build-id/${dwzid:0:2}/${dwzid:2}.debug"
+mkdir -p `dirname $dwzidfile`
+mv $dwzfile $dwzidfile
+$exefile $cratedir
+mv $dwzidfile $dwzfile
+
+# Missing debug should fail
+mv $debugfile3 $debugfile3.tmp
+! $exefile $cratedir
+mv $debugfile3.tmp $debugfile3
+
+# Missing dwz should fail
+mv $dwzfile $dwzfile.tmp
+! $exefile $cratedir
+mv $dwzfile.tmp $dwzfile
+
+# Cleanup
+rm $idfile $debugfile3 $dwzfile
+echo Success