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authorJan Kratochvil <jan.kratochvil@redhat.com>2012-03-07 11:30:19 +0200
committerPanu Matilainen <pmatilai@redhat.com>2012-03-07 11:30:19 +0200
commita5076ad25874421c032f7b06e27c9c9023ff7d2d (patch)
treefb31f842d0bf45fe44c42bc08a41b74245d0a98f
parent778442263e3d0bcc79f209b7bd49f5937ade28a5 (diff)
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Generate debug symlinks for all filenames sharing a build-id (RhBug:641377)
Signed-off-by: Panu Matilainen <pmatilai@redhat.com>
-rw-r--r--scripts/find-debuginfo.sh25
1 files changed, 25 insertions, 0 deletions
diff --git a/scripts/find-debuginfo.sh b/scripts/find-debuginfo.sh
index 9f5fdd047..57449f74c 100644
--- a/scripts/find-debuginfo.sh
+++ b/scripts/find-debuginfo.sh
@@ -136,6 +136,23 @@ debug_link()
link_relative "$t" "$l" "$RPM_BUILD_ROOT"
}
+# Provide .2, .3, ... symlinks to all filename instances of this build-id.
+make_id_dup_link()
+{
+ local id="$1" file="$2" idfile
+
+ local n=1
+ while true; do
+ idfile=".build-id/${id:0:2}/${id:2}.$n"
+ [ $# -eq 3 ] && idfile="${idfile}$3"
+ if [ ! -L "$RPM_BUILD_ROOT/usr/lib/debug/$idfile" ]; then
+ break
+ fi
+ n=$[$n+1]
+ done
+ debug_link "$file" "/$idfile"
+}
+
# Make a build-id symlink for id $1 with suffix $3 to file $2.
make_id_link()
{
@@ -149,6 +166,8 @@ make_id_link()
return
fi
+ make_id_dup_link "$@"
+
[ $# -eq 3 ] && return 0
local other=$(readlink -m "$root_idfile")
@@ -197,6 +216,9 @@ while read nlinks inum f; do
if [ $nlinks -gt 1 ]; then
eval linked=\$linked_$inum
if [ -n "$linked" ]; then
+ eval id=\$linkedid_$inum
+ make_id_dup_link "$id" "$dn/$(basename $f)"
+ make_id_dup_link "$id" "/usr/lib/debug$dn/$bn" .debug
link=$debugfn
get_debugfn "$linked"
echo "hard linked $link to $debugfn"
@@ -211,6 +233,9 @@ while read nlinks inum f; do
echo "extracting debug info from $f"
id=$(/usr/lib/rpm/debugedit -b "$RPM_BUILD_DIR" -d /usr/src/debug \
-i -l "$SOURCEFILE" "$f") || exit
+ if [ $nlinks -gt 1 ]; then
+ eval linkedid_$inum=\$id
+ fi
if [ -z "$id" ]; then
echo >&2 "*** ${strict_error}: No build ID note found in $f"
$strict && exit 2