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Provide source files for useful debug packages

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Debug packages are fairly useless currently because the soucre files needed
for stepping through code etc are not packaged with them. This patch adds the
needed source files to the debug package and adjusts the debug info to look at
the /usr/src/debug/ directory for them rather than the build location.  This
requires using the "debugedit" program which is provided as part of the RPM
sources.

Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Allan McRae 2016-12-05 14:53:08 +10:00
parent 37a89e2fac
commit 8b0d59b83a
1 changed files with 21 additions and 2 deletions
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23
scripts/libmakepkg/tidy/strip.sh.in
View file

@ -32,7 +32,12 @@ tidy_modify+=('tidy_strip')
build_id() { build_id() {
LANG=C readelf -n $1 | sed -n '/Build ID/ { s/.*: //p; q; }' LANG=C readelf -n "$1" | sed -n '/Build ID/ { s/.*: //p; q; }'
}
source_files() {
LANG=C readelf "$1" --debug-dump | \
awk '/DW_AT_name +:/{name=$8}/DW_AT_comp_dir +:/{print $8 "/" name}'
} }
strip_file() { strip_file() {
@ -50,6 +55,18 @@ strip_file() {
return return
fi fi
# copy source files to debug directory
local f t
while read -r f; do
t=${f/"$srcdir"/$dbgsrc}
mkdir -p "${t%/*}"
cp -- "$f" "$t"
done < <(source_files "$binary")
# adjust debug symbols to point at sources
debugedit -b "${srcdir}" -d /usr/src/debug/ -i "$binary" &> /dev/null
# copy debug symbols to debug directory
mkdir -p "$dbgdir/${binary%/*}" mkdir -p "$dbgdir/${binary%/*}"
objcopy --only-keep-debug "$binary" "$dbgdir/$binary.debug" objcopy --only-keep-debug "$binary" "$dbgdir/$binary.debug"
objcopy --add-gnu-debuglink="$dbgdir/${binary#/}.debug" "$binary" objcopy --add-gnu-debuglink="$dbgdir/${binary#/}.debug" "$binary"
@ -88,8 +105,10 @@ tidy_strip() {
[[ -z ${STRIP_STATIC+x} ]] && STRIP_STATIC="-S" [[ -z ${STRIP_STATIC+x} ]] && STRIP_STATIC="-S"
if check_option "debug" "y"; then if check_option "debug" "y"; then
dbgdir="$pkgdirbase/$pkgbase-@DEBUGSUFFIX@/usr/lib/debug" dbgdir="$pkgdirbase/$pkgbase-@DEBUGSUFFIX@/usr/lib/debug"
mkdir -p "$dbgdir" dbgsrc="$pkgdirbase/$pkgbase-@DEBUGSUFFIX@/usr/src/debug"
mkdir -p "$dbgdir" "$dbgsrc"
fi fi
local binary strip_flags local binary strip_flags