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Date: Mon, 6 Jul 2015 23:39:06 -0400
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: [PATCH v9] Build process uses script to add CFI
directives to x86 asm
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?
Rich
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