Date: Thu, 4 Apr 2013 12:20:01 GMT From: Eitan Adler <lists@eitanadler.com> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/177624: Swapcontext can get compiled incorrectly Message-ID: <201304041220.r34CK1gM038564@freefall.freebsd.org>
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The following reply was made to PR misc/177624; it has been noted by GNATS. From: Eitan Adler <lists@eitanadler.com> To: bug-followup <bug-followup@freebsd.org> Cc: Subject: Re: misc/177624: Swapcontext can get compiled incorrectly Date: Thu, 4 Apr 2013 08:11:34 -0400 ---------- Forwarded message ---------- From: Brian Demsky <bdemsky@uci.edu> Date: 4 April 2013 01:25 Subject: Re: misc/177624: Swapcontext can get compiled incorrectly To: Eitan Adler <lists@eitanadler.com> Cc: freebsd-bugs@freebsd.org > The analysis is a little wrong about the problem. Ultimately, the tail c= all to set context trashes the copies of bx and r14 on the stack=E2=80=A6. 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 GNA= TS. >> >> 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 >> >> QSBxdWljayBub3RlIHRoYXQgdGhlIHRhaWwgY2FsbCB0byBzZXQgY29udGV4dCBpcyB3aGF0= IGFj >> dHVhbGx5IHRyYXNoZXMgdGhlIGNvcGllcyBvZiByYnggYW5kIHIxNCBvbiB0aGUgc3RhY2su > > Something is weird with this submission. Please resend? > > -- > Eitan Adler > --=20 Eitan Adler
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