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Date: Tue, 7 Jul 2015 07:45:34 +0200
From: Alex <alexinbeijing@...il.com>
To: musl@...ts.openwall.com
Subject: Re: [PATCH v9] Build process uses script to add CFI directives
to x86 asm
On Tue, Jul 7, 2015 at 5:39 AM, Rich Felker <dalias@...c.org> wrote:
> On Tue, Jun 23, 2015 at 09:18:08PM +0200, Alex Dowad wrote:
>> Dear musl devs,
>>
>> ../configure now checks CFLAGS as well as CFLAGS_AUTO to see if generation of debug
>> info was requested.
>>
>> The idea of removing duplication from the Makefile using a new AS_CMD variable has
>> come up several times, but this will not work because the arguments need to be
>> inserted in different places. I have tried using a Makefile 'define' instead.
>> Please see whether you like the way this code reads or not.
>>
>> Subarch asm files are treated the same as other asm files. Please note that
>> since I don't own the hardware, I can't test whether these Makefile rules work or not.
>
> I'm trying to test this and get it merged, but I'm not having any luck
> getting gdb to backtrace when I interrupt a syscall with ^C. I've
> tried pause() and syscall(SYS_pause) (cancellable and non-cancellable)
> and the patch doesn't seem to help at all for the former, and only
> helps mildly for the latter. Have you had better results than I did?
I tested a different set of library calls, with my own test programs.
Can you please send a copy of the test program you are using, and I
will debug? Thanks, AD
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