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Re: PATCH: Turn on -fomit-frame-pointer by default for 32bit Linux/x86

From: Andi Kleen <andi at firstfloor dot org>
To: "H.J. Lu" <hjl dot tools at gmail dot com>
Cc: Paul Pluzhnikov <ppluzhnikov at google dot com>, gcc-patches at gcc dot gnu dot org
Date: Wed, 04 Aug 2010 22:39:22 +0200
Subject: Re: PATCH: Turn on -fomit-frame-pointer by default for 32bit Linux/x86
References: <AANLkTin-Jw6BBk9hKHAgrJSQ7ACM1A37p6zaYAycAWyU@mail.gmail.com> <AANLkTi=MKW3_mtPDNWtAfGEMAwYd564kfY9-j-RzTVQU@mail.gmail.com>

"H.J. Lu" <hjl.tools@gmail.com> writes:

> I am not sure about single handler. For malloc, are you referring to

In Linux the kernel provides unwind information for the signal
handler. I just tested it and it works here with a frame pointer
less 32bit executable using gdb.

-Andi
-- 
ak@linux.intel.com -- Speaking for myself only.

Follow-Ups:
- Re: PATCH: Turn on -fomit-frame-pointer by default for 32bit Linux/x86
  - From: David Daney

References:
- Re: PATCH: Turn on -fomit-frame-pointer by default for 32bit Linux/x86
  - From: Paul Pluzhnikov
- Re: PATCH: Turn on -fomit-frame-pointer by default for 32bit Linux/x86
  - From: H.J. Lu

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