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