Date: Mon, 02 Mar 2015 20:21:07 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-ports-bugs@FreeBSD.org Subject: [Bug 198204] lang/gnatdroid-binutils: fix undefined behavior in gas's tc-arm.c Message-ID: <bug-198204-13@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198204 Bug ID: 198204 Summary: lang/gnatdroid-binutils: fix undefined behavior in gas's tc-arm.c Product: Ports & Packages Version: Latest Hardware: Any OS: Any Status: New Severity: Affects Many People Priority: --- Component: Individual Port(s) Assignee: marino@FreeBSD.org Reporter: dim@FreeBSD.org Assignee: marino@FreeBSD.org Flags: maintainer-feedback?(marino@FreeBSD.org) Created attachment 153690 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=153690&action=edit Fix undefined behavior in gas/contrib/tc-arm.c's rotate_left() macro In bug 197395, which is about an exp-run for clang 3.6.0, a failure was reported for gnatdroid-armv7: http://pb2.nyi.freebsd.org/data/headi386PR197395-default/2015-02-27_12h37m23s/logs/errors/gnatdroid-armv7-20141023.log This failure is due to gas emitting "Error: invalid constant (ff) after fixup" on valid assembly, such as "mov ip, #0xff". It turns out this is due to undefined behavior in gas, specifically in gas/config/tc-arm.c, in the rotate_left() macro, which was fixed by this upstream commit: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=d840c081f8082e8b9e63fead5306643975a97bb3 The attachment fixes this in the same manner as bug 197806 for devel/binutils. -- You are receiving this mail because: You are the assignee for the bug.
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