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Date: Wed, 21 Sep 2005 19:05:43 +0400
From: Alexey Tourbin <at@altlinux.ru>
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Message-ID: <20050921150543.GD20965@solemn.turbinal.org>
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Subject: [devel] Re: verify_elfsym
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On Wed, Sep 21, 2005 at 03:17:27PM +0400, Alexey Tourbin wrote:
> =F7=CF=D4 =D5=D0=D2=CF=DD=C5=CE=CE=C1=D1 =D2=C5=C1=CC=C9=DA=C1=C3=C9=D1 =
=D0=D2=CF=D7=C5=D2=CB=C9 ELF'=CF=D7, =CB=C1=CB =D1 =C5=A3 =D3=C5=C2=C5 =D0=
=D2=C5=C4=D3=D4=C1=D7=CC=D1=C0.
> 	err=3D"$(ldd -r "$elf" 2>&1 1>/dev/null)" || return

=F1 =D0=D2=C9=DB=C5=CC =CB =D7=D9=D7=CF=C4=D5, =DE=D4=CF `ldd -r' =CE=C5 =
=CF=DE=C5=CE=D8 =C8=CF=D2=CF=DB=CF =D0=CF=C4=C8=CF=C4=C9=D4 =C4=CC=D1 =DC=
=D4=CF=CA
=D0=D2=CF=D7=C5=D2=CB=C9.  =E5=D3=D4=D8 =CE=C5=D3=CB=CF=CC=D8=CB=CF =D0=D2=
=CF=C2=CC=C5=CD, =D3=D7=D1=DA=C1=CE=CE=D9=C8 =D3=CF =D3=D0=C5=C3=C9=C6=C9=
=CB=CF=CA =D0=D2=CF=D7=C5=D2=CB=C9
=D7 %buildroot.  =F7 =DE=C1=D3=D4=CE=CF=D3=D4=C9, ldd =CE=C5 =D0=CF=DA=D7=
=CF=CC=D1=C5=D4 "=D0=C5=D2=C5=C2=C9=D4=D8" rpath.

=F7=CF=D4 =C1=CC=D8=D4=C5=D2=CE=C1=D4=C9=D7=CE=C1=D1 =D2=C5=C1=CC=C9=DA=C1=
=C3=C9=D1 `ldd -r'.

RTLD=3D/lib/ld-linux.so.2
RTLD_libpath=3D/lib:/usr/lib:/usr/X11R6/lib

elf1_libpath()
{
	local elf=3D"$1"
	local libpath=3D"$RTLD_libpath"
	[ -z "$LD_LIBRARY_PATH" ] ||
		libpath=3D"$LD_LIBRARY_PATH:$libpath"
	[ -z "$RPM_FINDPROV_LIB_PATH" ] ||
		libpath=3D"$RPM_FINDPROV_LIB_PATH:$libpath"
	local info=3D rpath=3D
	info=3D"$(objdump -p "$elf")" || return
	rpath=3D"$(echo "$info" |awk '($1=3D=3D"RPATH"){printf "%s:", $2}')"
	[ -z "$rpath" ] ||
		libpath=3D"$rpath$libpath"
	if [ -n "$RPM_BUILD_ROOT" ]; then
		local BR_libpath=3D path=3D IFS=3D:
		for path in $libpath; do
			BR_libpath=3D"$BR_libpath:$RPM_BUILD_ROOT$path"
		done
		libpath=3D"${BR_libpath#:}:$libpath"
	fi
	[ "$libpath" =3D "$RTLD_libpath" ] ||
		echo "${libpath%%:$RTLD_libpath}"
}

elf1_ldd()
{
	local elf=3D"$1" libpath=3D
	libpath=3D"$(elf1_libpath "$elf")" || return
	LD_TRACE_LOADED_OBJECTS=3D1 LD_WARN=3Dyes LD_BIND_NOW=3Dyes LD_VERBOSE=3D \
		"$RTLD" --library-path "$libpath" --inhibit-rpath "$elf" "$elf"
}


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