[OE-core] [PATCH] glibc: Enable backtrace from abort on ARM

[Khem Raj]

On Fri, Dec 9, 2016 at 9:26 AM, Mark Hatle <mark.hatle at windriver.com> wrote:
> On 12/9/16 12:48 AM, Khem Raj wrote:
>> On Thu, Dec 8, 2016 at 11:03 AM, Mark Hatle <mark.hatle at windriver.com> wrote:
>>> +do_configure_append_arm () {
>>> +       echo "CFLAGS-abort.c = -funwind-tables" >> ${B}/configparms
>>> +       echo "CFLAGS-raise.c = -funwind-tables" >> ${B}/configparms
>>> +}
>>
>> perhaps using  -fasynchronous-unwind-tables is better. can you try that out ?
>>
>
> This passed my internal test with the same results.
>
> So either one is fine with me.  What is the difference between the options?

-fasynchronous-unwind-tables  when used with -g emits the static data
in dward2 into .debug_frame
sections so your binaries dont bloat. funwind-tables is for generating
static data that is needed  for exception handing into .eh_frame.

>
> --Mark