From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from natnoddy.rzone.de ([81.169.145.166]:58568 "EHLO natnoddy.rzone.de") by vger.kernel.org with ESMTP id S262504AbULCXDl (ORCPT ); Fri, 3 Dec 2004 18:03:41 -0500 From: Arnd Bergmann Subject: Re: other platforms interested in in-kernel unwinder? Date: Fri, 3 Dec 2004 23:56:18 +0100 References: <16815.21943.55627.572012@napali.hpl.hp.com> <200412031037.22445.arnd@arndb.de> <16816.54808.503077.473990@napali.hpl.hp.com> In-Reply-To: <16816.54808.503077.473990@napali.hpl.hp.com> MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg=pgp-sha1; boundary="Boundary-02=_V8OsBndkqvrFR3z"; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <200412032356.21537.arnd@arndb.de> To: davidm@hpl.hp.com Cc: linux-arch@vger.kernel.org, davidm@napali.hpl.hp.com, Wolfgang Gellerich List-ID: --Boundary-02=_V8OsBndkqvrFR3z Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline On Freedag 03 Dezember 2004 22:09, David Mosberger wrote: > On s390, do you get just the frame-chain or do the frames contain > enough information to figure out which callee-saved registers where > saved? IIRC, compilers up to gcc 3.4 store all callee-saved registers in a fixed offset, while with gcc-4.0 and the patched gcc-3.4 used in fedora core 3 only the back chain pointer and the return address can be read directly without looking at the code or dwarf2 data. Arnd <>< --Boundary-02=_V8OsBndkqvrFR3z Content-Type: application/pgp-signature Content-Description: signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQBBsO8V5t5GS2LDRf4RAkUgAJ9M9AjSKBhnZy0Gb70MUpy6OIGCFACdFHuq 1FepPXaW33U6N5y3NNXuXyg= =fl5t -----END PGP SIGNATURE----- --Boundary-02=_V8OsBndkqvrFR3z--