From: Tom Tromey <tom@tromey.com>
To: Walt Drummond <walt@drummond.us>
Cc: Tom Tromey <tom@tromey.com>, Walt Drummond via Gdb <gdb@sourceware.org>
Subject: Re: AMD64_LINUX_frame_size
Date: Sat, 09 Jan 2021 13:14:26 -0700 [thread overview]
Message-ID: <87eeitdg0t.fsf@tromey.com> (raw)
In-Reply-To: <CADCN6nzB1Sn=8200TfpSSbKgBoGJFc35_PtpFd5vfkg7G1uuyw@mail.gmail.com> (Walt Drummond's message of "Thu, 7 Jan 2021 13:49:50 -0800")
Walt> Thanks Tom. My math shows the kernel sizes as
Walt> Redzone 128
Walt> math frame/xstate 840
Walt> rt_sigframe 456
Walt> That's a total of 1424 bytes, so maybe GDB is saving less than it should?
It seems to me that there's no need to save the red zone.
However, I don't really know. All I can suggest is trying to write a
test case and/or debug it to see.
Tom
next prev parent reply other threads:[~2021-01-09 20:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-04 18:30 AMD64_LINUX_frame_size Walt Drummond
2021-01-06 16:38 ` AMD64_LINUX_frame_size Walt Drummond
2021-01-07 21:19 ` AMD64_LINUX_frame_size Tom Tromey
2021-01-07 21:49 ` AMD64_LINUX_frame_size Walt Drummond
2021-01-09 20:14 ` Tom Tromey [this message]
2021-01-11 10:43 ` AMD64_LINUX_frame_size Florian Weimer
2021-01-12 16:10 ` AMD64_LINUX_frame_size Walt Drummond
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