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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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