On 15/06/2021 16:44, Richard Henderson wrote: > On 6/14/21 11:48 PM, Laurent Vivier wrote: >> Le 26/05/2021 à 03:13, Richard Henderson a écrit : >>> Sparc v8plus is a sparc64 running a 32-bit ABI. >>> The significant difference vs sparc32 is that all 64 bits of >>> the %g and %o registers, plus %xcc, are saved across interrupts, >>> context switches, and signals. >>> >>> There's a special marker in the saved %psr value that's used to >>> indicate that %xcc and the high bits are present in the frame. >>> >>> Signed-off-by: Richard Henderson <richard.hender...@linaro.org> >>> --- >>> >>> I have been unable to find an extant v8plus distribution with >>> which to test this beyond compilation. Thus the RFC. I know >>> debian used to have one, but they have moved to pure sparc64 now. >>> >>> Thoughts? >> >> In my test, I use debian wheezy, and it seems to be sparc32plus v8+: >> >> $ file chroot/sparc/wheezy/bin/ls >> chroot/sparc/wheezy/bin/ls: ELF 32-bit MSB executable, SPARC32PLUS, V8+ >> Required, total >> store >> ordering, version 1 (SYSV), dynamically linked, interpreter >> /lib/ld-linux.so.2, for >> GNU/Linux >> 2.6.26, BuildID[sha1]=3fdfb5b9f829824f6110b7a2d91efd9947614263, stripped >> >> I get wheezy from http://archive.debian.org/debian >> >> If you want I can make a try with your patch. > > Yes, please. >
This breaks two tests in LTP: sigaction01 and rt_sigaction01 (they hang). Tested with debian wheezy and LTP 20200930. Note: even with master, debootstrap is broken and needs manual hacks to have a working chroot. Thanks, Laurent
