From: Ian Lance Taylor <iant@google.com>
To: renjunqu <renjunqu@gmail.com>
Cc: gcc-help@gcc.gnu.org
Subject: Re: Is there a easy way to use the -finstrument-functions option?
Date: Tue, 25 Oct 2011 13:44:00 -0000 [thread overview]
Message-ID: <mcr1uu1faoi.fsf@dhcp-172-18-216-180.mtv.corp.google.com> (raw)
In-Reply-To: <32715395.post@talk.nabble.com> (renjunqu@gmail.com's message of "Tue, 25 Oct 2011 00:15:41 -0700 (PDT)")
renjunqu <renjunqu@gmail.com> writes:
> I want use gcc's "-finstrument-functions" option to hack a
> open-source project. But if i want to make the most use of this option, i
> should tell the compiler the my own definition of "__cyg_profile_func_enter"
> and "__cyg_profile_func_exit" functions. If the project i want to hack will
> create many different 'elf' files,and different 'elf' use different source
> files,so i have to define the two function in many many files.
> Is there some easy ways to tell the compiler my function's
> definition???
I don't understand why you have to define the functions in many files.
Why can't you just define them once as globally visible functions?
Ian
prev parent reply other threads:[~2011-10-25 13:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-25 7:15 renjunqu
2011-10-25 13:44 ` Ian Lance Taylor [this message]
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