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Re: [PATCH][BZ #19490] Add unwind descriptors for x86_64 _mcount and __fentry__
- From: Andreas Schwab <schwab at suse dot de>
- To: Paul Pluzhnikov <ppluzhnikov at google dot com>
- Cc: "H.J. Lu" <hjl dot tools at gmail dot com>, GLIBC Devel <libc-alpha at sourceware dot org>
- Date: Thu, 03 Mar 2016 09:30:14 +0100
- Subject: Re: [PATCH][BZ #19490] Add unwind descriptors for x86_64 _mcount and __fentry__
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- References: <CALoOobPzA=QaRyua2KVLR5CtKoks_Tz=c45SwWBg18sY0X4kWg at mail dot gmail dot com> <20160222091457 dot GJ19841 at vapier dot lan> <CALoOobMWtqPyM99G4mX56nV=ymqNGFKEwWMAmc0h_Uff_K2yjA at mail dot gmail dot com> <20160226034043 dot GM19841 at vapier dot lan> <CALoOobMtV8tWzW5rxU-UUN0Q7Pc3TCVUpfXXr3kOUoodr+0n0w at mail dot gmail dot com> <CAMe9rOpAgpdPTPz7ac_kyfkCG19YQwQTyhQzPRWuN8BEg5aS-Q at mail dot gmail dot com> <CALoOobOYv1i+D41VOECjQtyKeDF3LBGdT=z37gH3zMEJ=jctQQ at mail dot gmail dot com>
Paul Pluzhnikov <ppluzhnikov@google.com> writes:
> Using CALL_MCOUNT in implementation of _mcount isn't going to end well.
_mcount needs to be arranged to be compiled without PROF, like the
noprof routines in gmon/Makefile.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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