Date: Sun, 8 Apr 2012 16:45:21 +1200 From: Andrew Turner <andrew@fubar.geek.nz> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r234014 - head/lib/libc/arm/gen Message-ID: <20120408164521.55aecdd1@fubar.geek.nz> In-Reply-To: <201204080436.q384aRXS093116@svn.freebsd.org> References: <201204080436.q384aRXS093116@svn.freebsd.org>
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On Sun, 8 Apr 2012 04:36:27 +0000 (UTC) Andrew Turner <andrew@FreeBSD.org> wrote: > Author: andrew > Date: Sun Apr 8 04:36:27 2012 > New Revision: 234014 > URL: http://svn.freebsd.org/changeset/base/234014 > > Log: > Unlike other functions __aeabi_read_tp function must preserve > r1-r3. The currently generated code clobbers r3. Fix this by loading > ARM_TP_ADDRESS using inline assembly. > > Approved by: imp (mentor) This fixes thread local storage on ARM in cases when the compiler loads the offset of the variable in r3 before calling __aeabi_read_tp as has been observed when the variable is in a shared library. Andrew
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