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Re: [Libunwind-devel] Get a wrong offset with unw_get_proc_name on x86_6
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From: |
Arun Sharma |
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Subject: |
Re: [Libunwind-devel] Get a wrong offset with unw_get_proc_name on x86_64 |
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Date: |
Thu, 8 Jan 2015 11:50:27 -0800 |
On Wed, Jan 7, 2015 at 9:52 AM, Matthias Bartelt
<address@hidden> wrote:
> Have a program which prints some information like the IP or the offset with
> the help unw_get_proc_name(). Unfortunately the obtained offset differs from
> the real one - which I checked with GDB or with libc's backtrace() function.
> Other things like the IP are correct.
>
> Is there a known issue with getting the offset or missed I something? I'm
> working with version 1.1 under Ubuntu 14.04 64-bit.
We sometimes have to adjust the IP by 1 byte to deal with edge cases.
Could you share a minimal repro?
-Arun