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Re: [Libunwind-devel] symbol size?

From: David Mosberger-Tang
Subject: Re: [Libunwind-devel] symbol size?
Date: Tue, 27 Feb 2007 20:06:27 -0700

Hi Andrew,

On 2/27/07, Andrew Cagney <address@hidden> wrote:
Is it possible to get the symbol's size using libunwind?

Not really.

Grubbing through the sources it looks like:

- unw_get_proc_name returns the offset from the cursor address back to
the symbol (giving the symbol's address) but not the symbol's size


- unw_get_proc_info returns a start_ip and end_ip but that looks to be
either the address range that the unwind applies to, or a guess at the
size based on the next symbol's address

Yes, the info returned here is supplied to apply to a "procedure"
which for unwinding-purposes is simply a contiguous address range
which may or may not correspond to a function.

Mosberger Consulting LLC,

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