From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E73DD3858C53; Fri, 8 Dec 2023 09:28:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E73DD3858C53 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1702027698; bh=rEmL1iBeyyRXZ/ScpNavWU6Njxjd4hgr7oYcqDJEbYY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=q3yrOSry/lt3q5CsrgkfEyOF98fYRjyicPgcEAEm/3X1ahpGw3mMtf6AmDv9ixWfK UNzSW36wCTvjy8V877nQnJ6l6TEh3Qpg9ZcqV0bjoM5TLguMqjFZishjy5NtT8TQDX U25/MgAwZ/Bq1L0cXJUA9seHY/FFGun6XrzTZzFE= From: "liqingqing3 at huawei dot com" To: glibc-bugs@sourceware.org Subject: [Bug dynamic-link/15128] dynamic loader may clobber floating-point parameters on AArch64 Date: Fri, 08 Dec 2023 09:28:16 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: dynamic-link X-Bugzilla-Version: 2.17 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: liqingqing3 at huawei dot com X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: security- X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://sourceware.org/bugzilla/show_bug.cgi?id=3D15128 liqingqing changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |liqingqing3 at huawei dot = com --- Comment #39 from liqingqing --- hi all! Currently, aarch64 also support sve instruction, we found that under the lazy binding policy, dynamic loader may clobber z registers. This is because x/q/z is the same register but different length, and the file "sysdeps/aarch64/dl-trampoline.S" only resolve x and q registers, this will cause the sve functionality abnormally. --=20 You are receiving this mail because: You are on the CC list for the bug.=