Re: Three Cheers for Samuel!
Hello, I don't know what initially triggered the round of cheers, anyway thank you all :) One thing I'm not good at is showing news of what is happening, the "quarter of the hurd" news were quite useful I think to show people what happens. It's a matter of taking the time to collect news items, and publish it periodically on the news part of the wiki (and on the list so people know about it). Any volunteer? :) Samuel
Re: Three Cheers for Samuel!
On Sun, Jun 07, 2020 at 08:29:14AM -0400, Joshua Branson wrote: > I just want to thank you for being so diligent at maintaining and > continuing to develop the GNU/Hurd. You are one of my heroes, and I > love how dedicated you are to the project! > > Wishing you a good day, Likewise. -- Richard Braun
Re: Three Cheers for Samuel!
+1 (actually it's much more than 1) Às 13:29 de 07/06/20, Joshua Branson escreveu: Hey Samuel! I just want to thank you for being so diligent at maintaining and continuing to develop the GNU/Hurd. You are one of my heroes, and I love how dedicated you are to the project! Wishing you a good day, Joshua -- Best regards / Melhores cumprimentos, Miguel Figueiredo
Re: [hurd,commited] htl: Enable more tests
Samuel Thibault, le lun. 08 juin 2020 13:34:42 +0200, a ecrit: > Andreas Schwab, le lun. 08 juin 2020 12:43:16 +0200, a ecrit: > > On Jun 07 2020, Samuel Thibault wrote: > > > > > * htl/Makefile: Remove rules adding libpthread.so and libpthread.a to link > > > lines. > > > * nptl/Makefile: Move rules adding libpthread.so and libpthread.a to > > > link lines to... > > > * sysdeps/pthread/Makefile: ... here. > > > > That breaks powerpc: > [...] > > make[2]: *** [../Rules:223: > > /home/abuild/rpmbuild/BUILD/glibc-2.31.9000.532.g314a431d37/cc-base/nptl/test-get_hwcap] > > Error 1 > > Oh... > So it's a test added by sysdeps/powerpc/Makefile, and it seems > sysdeps/powerpc gets included *after* sysdeps/pthread, thus the missing > rules for this test. I'll copy back the rules to htl/ and nptl/ for now. Done so. Samuel
Re: [PATCH] hurd: libgcc unwinding support over signal trampolines
Samuel Thibault, le lun. 08 juin 2020 13:36:55 +0200, a ecrit: > Thomas Schwinge, le lun. 08 juin 2020 12:15:12 +0200, a ecrit: > > Which GCC branches would you like this on? > > Ideally it's be backported to gcc 9 and 10, so that it lands naturally > in the Debian packages without having to bother doko. Actually only gcc 10 would be needed. Samuel
Re: [PATCH] hurd: libgcc unwinding support over signal trampolines
Thomas Schwinge, le lun. 08 juin 2020 12:15:12 +0200, a ecrit: > I'm not currently set up to test this, but I'll assume you have. Sure :) > Which GCC branches would you like this on? Ideally it's be backported to gcc 9 and 10, so that it lands naturally in the Debian packages without having to bother doko. > Once we've got this in GCC, please then also cross-reference GCC's > 'libgcc/config/i386/gnu-unwind.h' file in glibc's > 'sysdeps/mach/hurd/i386/trampoline.c' file. Ah, yes, I thought about it and forgot, will do. Samuel
Re: [hurd,commited] htl: Enable more tests
Andreas Schwab, le lun. 08 juin 2020 12:43:16 +0200, a ecrit: > On Jun 07 2020, Samuel Thibault wrote: > > > * htl/Makefile: Remove rules adding libpthread.so and libpthread.a to link > > lines. > > * nptl/Makefile: Move rules adding libpthread.so and libpthread.a to > > link lines to... > > * sysdeps/pthread/Makefile: ... here. > > That breaks powerpc: [...] > make[2]: *** [../Rules:223: > /home/abuild/rpmbuild/BUILD/glibc-2.31.9000.532.g314a431d37/cc-base/nptl/test-get_hwcap] > Error 1 Oh... So it's a test added by sysdeps/powerpc/Makefile, and it seems sysdeps/powerpc gets included *after* sysdeps/pthread, thus the missing rules for this test. I'll copy back the rules to htl/ and nptl/ for now. Samuel
Re: [hurd,commited] htl: Enable more tests
On Jun 07 2020, Samuel Thibault wrote: > * htl/Makefile: Remove rules adding libpthread.so and libpthread.a to link > lines. > * nptl/Makefile: Move rules adding libpthread.so and libpthread.a to > link lines to... > * sysdeps/pthread/Makefile: ... here. That breaks powerpc: /usr/lib64/gcc/powerpc64-suse-linux/10/../../../../powerpc64-suse-linux/bin/ld: /home/abuild/rpmbuild/BUILD/glibc-2.31.9000.532.g314a431d37/cc-base/support/libsupport_nonshared.a(xpthread_create.oS): in function `xpthread_create': /home/abuild/rpmbuild/BUILD/glibc-2.31.9000.532.g314a431d37/support/xpthread_create.c:26: undefined reference to `pthread_create' /usr/lib64/gcc/powerpc64-suse-linux/10/../../../../powerpc64-suse-linux/bin/ld: /home/abuild/rpmbuild/BUILD/glibc-2.31.9000.532.g314a431d37/cc-base/support/libsupport_nonshared.a(xpthread_join.oS): in function `xpthread_join': /home/abuild/rpmbuild/BUILD/glibc-2.31.9000.532.g314a431d37/support/xpthread_join.c:25: undefined reference to `pthread_join' collect2: error: ld returned 1 exit status make[2]: *** [../Rules:223: /home/abuild/rpmbuild/BUILD/glibc-2.31.9000.532.g314a431d37/cc-base/nptl/test-get_hwcap] Error 1 Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
Re: [PATCH] hurd: libgcc unwinding support over signal trampolines
Hi Samuel! On 2020-05-29T13:46:50+0200, Samuel Thibault wrote: > libgcc is currently missing the support for unwinding over signal > trampolines on GNU/Hurd. ACK. Has been on my long TODO list for a long time. ;-) > The attached patch implements it. Thanks! I'm not intimately familiar with the unwinding implementation, but your changes look quite what I'd have guessed they'd look like, and also somewhat similar to 'libgcc/config/i386/linux-unwind.h'. (I'll get there, eventually, again..., but) I'm not currently set up to test this, but I'll assume you have. Which GCC branches would you like this on? > --- /dev/null > +++ b/src/libgcc/config/i386/gnu-unwind.h > @@ -0,0 +1,107 @@ > + * i386 sigtramp frame we are looking for follows. > + * (see glibc/sysdeps/mach/hurd/i386/trampoline.c assembly) > + * > + * rpc_wait_trampoline: > + * 0: b8 e7 ff ff ff mov$-25,%eax mach_msg_trap > + * 5: 9a 00 00 00 00 07 00lcall $7,$0 > + * 12: 89 01 movl %eax, (%ecx) > + * 14: 89 dc movl %ebx, %esp switch to signal > stack > + * > + * trampoline: > + * 16: ff d2 call *%edx call the handler > function > + * RA HERE > + * 18: 83 c4 0caddl $12, %esp pop its args > + * 21: c3 retreturn to > sigreturn > + * > + * firewall: > + * 22: f4 hlt > + */ > + > + if (!( *(unsigned int *)(context->ra ) == 0xc30cc483 > +&& *(unsigned char *)(context->ra + 4) == 0xf4 > + > +&& *(unsigned int *)(context->ra - 4) == 0xd2ffdc89 > +&& *(unsigned int *)(context->ra - 8) == 0x01890007 > +&& *(unsigned int *)(context->ra - 12) == 0x > +&& *(unsigned int *)(context->ra - 16) == 0x9aff > +&& *(unsigned short *)(context->ra - 18) == 0xe7b8)) > +return _URC_END_OF_STACK; Once we've got this in GCC, please then also cross-reference GCC's 'libgcc/config/i386/gnu-unwind.h' file in glibc's 'sysdeps/mach/hurd/i386/trampoline.c' file. Grüße Thomas - Mentor Graphics (Deutschland) GmbH, Arnulfstraße 201, 80634 München / Germany Registergericht München HRB 106955, Geschäftsführer: Thomas Heurung, Alexander Walter
