From: Andi Kleen <ak@linux.intel.com>
To: Milian Wolff <milian.wolff@kdab.com>
Cc: linux-kernel@vger.kernel.org, Jiri Olsa <jolsa@kernel.org>,
namhyung@kernel.org, linux-perf-users@vger.kernel.org,
Arnaldo Carvalho <acme@kernel.org>
Subject: Re: Broken dwarf unwinding - wrong stack pointer register value?
Date: Mon, 22 Oct 2018 21:03:56 -0700 [thread overview]
Message-ID: <20181023040356.GA6218@tassilo.jf.intel.com> (raw)
In-Reply-To: <2679413.U8bCfAhSQu@agathebauer>
> So what if my libm wasn't compiled with -fasynchronous-unwind-tables? We
It's default (64bit since always and 32bit now too) Unless someone disabled it.
However libm might be partially written in assembler and hand written assembler
often has problems with unwind tables because the programmer has to get them
correct explicitely.
-Andi
next prev parent reply other threads:[~2018-10-23 4:03 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-20 22:39 Broken dwarf unwinding - wrong stack pointer register value? Milian Wolff
2018-10-21 20:32 ` Milian Wolff
2018-10-22 10:35 ` Milian Wolff
2018-10-22 11:17 ` Milian Wolff
2018-10-22 13:58 ` Andi Kleen
2018-10-22 19:26 ` Milian Wolff
2018-10-23 4:03 ` Andi Kleen [this message]
2018-10-23 10:34 ` Milian Wolff
2018-10-24 14:48 ` Andi Kleen
2018-10-30 22:34 ` Milian Wolff
2018-11-01 22:08 ` PEBS level 2/3 breaks dwarf unwinding! [WAS: Re: Broken dwarf unwinding - wrong stack pointer register value?] Milian Wolff
2018-11-02 11:26 ` Jiri Olsa
2018-11-02 17:56 ` Milian Wolff
2018-11-05 20:51 ` Jiri Olsa
2018-11-05 22:54 ` Milian Wolff
2018-11-06 0:10 ` Andi Kleen
2018-11-06 8:39 ` Jiri Olsa
2018-11-06 17:26 ` Andi Kleen
2018-11-06 20:04 ` Milian Wolff
2018-11-06 20:24 ` Andi Kleen
2018-11-07 22:41 ` Milian Wolff
2018-11-08 12:41 ` Milian Wolff
2018-11-09 0:55 ` Andi Kleen
2018-11-09 0:54 ` Andi Kleen
2018-11-10 21:42 ` Travis Downs
2018-11-11 1:07 ` Andi Kleen
[not found] ` <CAOBGo4zirLiKX8VcROAE=kAD0+qkF0E-cBv9DtBiQr=_obDv5w@mail.gmail.com>
2018-11-11 2:54 ` Travis Downs
2018-11-12 3:26 ` Andi Kleen
2018-11-14 13:20 ` Milian Wolff
2018-11-15 2:05 ` Travis Downs
2018-11-15 9:10 ` Milian Wolff
2018-11-15 19:00 ` Andi Kleen
2018-11-15 2:15 ` Travis Downs
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