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Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?
From: |
John Knight |
Subject: |
Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind? |
Date: |
Wed, 23 May 2018 21:27:44 +0000 |
Hi Dave,
Thanks for the additional info. I have added the -fexceptions and
-funwind-tables to the gcc command line and rebuilt. The resulting binary does
not have the .ARM.exidx or .ARM.extab either. I have since confirmed that we
are NOT using glibc, but are instead using libuClibc-1.0.14.so. I did try to
use libunwind with the binary after adding the -fexceptions and
-funwind-tables, and it still does not work.
I guess the real question is, does libunwind work with binaries built with
uclibc?
Thanks for your help.
John
-----Original Message-----
From: Dave Watson <address@hidden>
Sent: Wednesday, May 23, 2018 10:50 AM
To: John Knight <address@hidden>
Cc: Luke Diamand <address@hidden>; address@hidden
Subject: Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?
On 05/23/18 05:40 PM, John Knight wrote:
> Hi Luke,
>
> Objdump did not show .ARM.exidx or .ARM.extab. There is only one section
> specific to arm: .ARM.attributes.
>
> I don’t know what this all means, but I am hoping it makes sense to
> you. 😊
It just sounds to me like you are missing the unwind tables, did you try one or
all of -fexceptions or -funwind-tables/-fasynchronous-unwind-tables ?
I think these are default on on x86, but not arm.
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__________________________________________________________________
- [Libunwind-devel] Minimum Linux Version requirements for libunwind?, John Knight, 2018/05/21
- Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?, Luke Diamand, 2018/05/22
- Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?, John Knight, 2018/05/22
- Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?, Luke Diamand, 2018/05/22
- Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?, John Knight, 2018/05/22
- Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?, John Knight, 2018/05/22
- Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?, Luke Diamand, 2018/05/23
- Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?, John Knight, 2018/05/23
- Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?, Dave Watson, 2018/05/23
- Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?,
John Knight <=
- Re: [Libunwind-devel] Minimum Linux Version requirements for libunwind?, Luke Diamand, 2018/05/23