Date: Wed, 3 Apr 2013 22:25:35 -0700 From: Brian Demsky <bdemsky@uci.edu> To: Eitan Adler <lists@eitanadler.com> Cc: freebsd-bugs@freebsd.org Subject: Re: misc/177624: Swapcontext can get compiled incorrectly Message-ID: <F07FC16C-B152-447D-A4DF-5EAF1052BC9A@uci.edu> In-Reply-To: <CAF6rxg=XThtXPRtjQzbBX9=eBjOVkAkFM3WYJq-cYAJvmav_tA@mail.gmail.com> References: <201304040310.r343A1Zj035196@freefall.freebsd.org> <CAF6rxg=XThtXPRtjQzbBX9=eBjOVkAkFM3WYJq-cYAJvmav_tA@mail.gmail.com>
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> The analysis is a little wrong about the problem. Ultimately, the = tail call to set context trashes the copies of bx and r14 on the stack=85.= On Apr 3, 2013, at 10:03 PM, Eitan Adler wrote: > On 3 April 2013 23:10, Brian Demsky <bdemsky@uci.edu> wrote: >> The following reply was made to PR misc/177624; it has been noted by = GNATS. >>=20 >> From: Brian Demsky <bdemsky@uci.edu> >> To: bug-followup@FreeBSD.org >> Cc: >> Subject: Re: misc/177624: Swapcontext can get compiled incorrectly >> Date: Wed, 03 Apr 2013 20:01:14 -0700 >>=20 >> = QSBxdWljayBub3RlIHRoYXQgdGhlIHRhaWwgY2FsbCB0byBzZXQgY29udGV4dCBpcyB3aGF0IG= Fj >> = dHVhbGx5IHRyYXNoZXMgdGhlIGNvcGllcyBvZiByYnggYW5kIHIxNCBvbiB0aGUgc3RhY2su >=20 > Something is weird with this submission. Please resend? >=20 > --=20 > Eitan Adler >=20
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