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Date: Fri, 16 Jan 2015 10:37:14 -0500
From: John Baldwin <jhb@FreeBSD.org>
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To: "O'Connor, Daniel" <darius@dons.net.au>
Subject: Re: DTrace and function names
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On 1/15/15 9:55 PM, O'Connor, Daniel wrote:
> 
>> On 15 Jan 2015, at 00:47, John Baldwin <jhb@FreeBSD.org> wrote:
>>> So it shows _some_ function names from libc but mostly not.. Is there a way to improve it?
>>
>> Build with debug symbols?  For libc you can do that via:
>>
>> % cd /usr/src/lib/libc
>> % make cleandir
>> % make obj
>> # May want to use "-O -g" to reduce inlining
>> % make DEBUG_FLAGS="-g" depend all install
> 
> OK, I guess I was thinking it wasn't necessary since some of the symbols showed up :(

Yeah, libc will always include symbols for the public functions it
exports, but without -g you won't have symbols for any internal
functions (and that's generally true of any shared library AFAIK).

-- 
John Baldwin