Date: Wed, 26 Aug 2015 23:47:23 -0400 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: [PATCH v10] Build process uses script to add CFI directives to x86 asm On Thu, Aug 27, 2015 at 05:38:12AM +0200, Alex wrote: > On Wed, Aug 26, 2015 at 10:29 PM, Rich Felker <dalias@...c.org> wrote: > > On Fri, Jul 10, 2015 at 03:03:24PM +0200, Alex Dowad wrote: > >> Some functions implemented in asm need to use EBP for purposes other than acting > >> as a frame pointer. (Notably, it is used for the 6th argument to syscalls with > >> 6 arguments.) Without frame pointers, GDB can only show backtraces if it gets > >> CFI information from a .debug_frame or .eh_frame ELF section. > >> [...] > > > > Committed, finally! > > > > Sorry for the long delay. I was using this locally without problem and > > somehow forgot that I had not actually committed it despite saying I > > would do so if no problems were found. > > > > The only change I made was re-folding the commit message to fit well > > in 80 columns. > > So I guess a script for x86-64 is needed now? Yes, that would be great. I'm trying to package up 1.1.11 now, so maybe we can plan to get the x86_64 CFI committed somewhere early in the next release cycle? Thanks again for your work on this! Rich
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