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Subject: Re: How to profile DLL built by Cygwin
To: cygwin@cygwin.com
References: <CAM6w8J64zyAFJjrVk7sYR+TR0gcP00QopU_uNTzBzWEHb9abqA@mail.gmail.com>
From: Mark Geisert <mark@maxrnd.com>
Message-ID: <56FC340D.5050507@maxrnd.com>
Date: Wed, 30 Mar 2016 13:16:13 -0700
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John Smith wrote:
> I have an executable using a DLL. The DLL is built using -g -pg.
> Running the executable, however, does not produce a gmon.out. file.
> Cygwin version is 1.7.33. Thanks in advance for any suggestions.

Cygwin's profiling facility currently only supports one address range: the 
address range of the executable's .text segment.  DLLs live in other address ranges.

Currently the only way to profile DLL code on Cygwin is to temporarily make the 
DLL a static library, e.g. libfoo.a, and link it into the executable's build.
HTH,

..mark

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