rpm-build/scripts/debuginfo.req.in

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#!/bin/sh -efu
#
# debuginfo.req - soname-based requires for *.debug files
#
# Written by Alexey Tourbin <at@altlinux.org>. Based on lib.req.
# License: GPLv2+.
. @RPMCONFIGDIR@/functions
dump_ld_config='@RPMCONFIGDIR@/dump_ld_config'
shlib_req='@RPMCONFIGDIR@/shlib.req.awk'
elf_ldd='@RPMCONFIGDIR@/ldd'
[ -n "${RPM_LIBDIR-}" ] || RPM_LIBDIR=`rpm --eval %_libdir`
[ -n "${RPM_LIB-}" ] || RPM_LIB=`rpm --eval %_lib`
[ -n "${RPM_ARCH-}" ] || RPM_ARCH=`rpm --eval %_arch`
RPM_FINDREQ_RPATH="/$RPM_LIB $RPM_LIBDIR $("$dump_ld_config")"
[ -z "${RPM_BUILD_ROOT-}" ] ||
RPM_FINDREQ_RPATH="$("$dump_ld_config" '' "$RPM_BUILD_ROOT") $RPM_FINDREQ_RPATH"
Debug "RPM_FINDREQ_RPATH=$RPM_FINDREQ_RPATH"
not_yet_list=
HasDebugInfo()
{
2022-04-26 11:00:00 +03:00
if readelf --wide --sections "$1" |LC_ALL=C grep -F -qs '.gnu_debuglink'; then
return 0
fi
if [ -z "$not_yet_list" ] || [ -n "${not_yet_list##* $1 *}" ]; then
Warning "$1 is not yet debuginfo-enabled"
not_yet_list="$not_yet_list $1 "
fi
return 1
}
DebugInfoReq()
{
local debugf="$1"
local f="${debugf#${RPM_BUILD_ROOT-}/usr/lib/debug}"
f="${RPM_BUILD_ROOT-}${f%.debug}"
local fname="${f#${RPM_BUILD_ROOT-}}"
[ -n "${f#*/lib/modules/*/vmlinux}" ] || return 0
# Obtain objdump info.
local dump
if ! dump=$(objdump -p "$f"); then
Warning "$f: objdump failed"
return 0
fi
# Obtain ELF segments.
local segments
if ! segments=$(readelf --wide --segments "$f"); then
Warning "$f: readelf failed"
return 0
fi
# Interp.
local interp
interp="$(printf '%s\n' "$segments" |
sed -ne 's,^[[:space:]]*\[Requesting program interpreter: \(/[^]]\+\)\]$,\1,p')"
if [ -n "$interp" ]; then
if [ -n "${RPM_BUILD_ROOT-}" ] && [ -x "$RPM_BUILD_ROOT$interp" ] || HasDebugInfo "$interp"; then
printf '/usr/lib/debug%s.debug\n' "$interp"
fi
fi
# That could be "statically linked (uses shared libs)".
printf '%s\n' "$dump" |grep -qs '^Dynamic Section:$' || return 0
# The rest is soname stuff.
local debug canon_prefix deps dir name pathname prefix rpath suffix vers
suffix="$(printf '%s\n' "$dump" |sed -ne 's/^.*file format \(elf64\).*$/(64bit)/p')"
[ -z "$suffix" ] && debug=debug || debug=debug64
rpath="$(printf %s "$dump" |
awk '($1=="RPATH"||$1=="RUNPATH"){print $2}' |
tr -s : ' ' |
sed -e "s|\$ORIGIN|${fname%/*}|g")"
if [ -n "$rpath" ]; then
rpath="$rpath $RPM_FINDREQ_RPATH"
else
rpath="$RPM_FINDREQ_RPATH"
fi
rpath="$(printf %s "$rpath" |
tr -s '[:space:]' '\n' |
grep -v '^$' |
LANG=C uniq |
sed -e "s|^|${RPM_BUILD_ROOT-}&|" |
tr -s '[:space:]' : |
sed -e 's/^:\+//; s/:\+$//')"
deps="$("$elf_ldd" -- "$f" "$rpath")" || return 1
for vers in `printf '%s\n' "$dump" |"$shlib_req"`; do
name="$(printf %s "$vers" |cut -d: -f1)"
vers="$(printf %s "$vers" |cut -d: -f2-)"
pathname="$(printf %s "$deps" |awk "-vname=$name" '
function basename(f) { sub("^.*/","",f); return f; }
NF>=3 && ($1==name || basename($1)==name) && $2=="=>" && $3~"^/" {print $3}
NF==2 && ($1==name || basename($1)==name) && $1~"^/" && $2~"^[(]0x" {print $1}
')"
if [ -z "$pathname" ]; then
Warning "$fname: library $name not found"
continue
fi
pathname=$(CanonPath "$pathname")
Verbose "$fname: $name -> $pathname"
local under_buildroot=
if [ -n "${RPM_BUILD_ROOT-}" ] && [ -z "${pathname##$RPM_BUILD_ROOT*}" ]; then
pathname=${pathname#$RPM_BUILD_ROOT}
under_buildroot=1
fi
prefix="${pathname%/*}"
canon_prefix="$(printf %s "$prefix/" |
sed -e 's|/tls/|/|' -e 's|/sse2/|/|' -e "s|/$RPM_ARCH/|/|" -e 's|/i[3-9]86/|/|' -e 's|/\+$||')"
if [ -z "$canon_prefix" -o -n "${canon_prefix##/*}" ]; then
Warning "$fname: library $name not found"
continue
fi
for dir in $RPM_FINDREQ_RPATH; do
if [ "$canon_prefix" = "$dir" ]; then
prefix=
break
fi
done
if [ -n "$under_buildroot" ] || HasDebugInfo "$pathname"; then
if [ -z "$prefix" ]; then
printf '%s(%s)\n' "$debug" "$name"
else
printf '/usr/lib/debug%s/%s.debug\n' "$prefix" "${name##*/}"
fi
fi
done
}
ArgvFileAction DebugInfoReq "$@"