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| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2022-08-17 14:39:02 +0200 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2022-09-27 13:19:05 +0200 |
| commit | 2941e0fa050314cd200f24e3b99da61440b106ab (patch) | |
| tree | ec5c5655b586452720a0645d4d44dc5102d5101b /linux-user | |
| parent | 9e59899f8c75e3a7b327eb42ef61818d7f06992e (diff) | |
| download | qemu-2941e0fa050314cd200f24e3b99da61440b106ab.zip qemu-2941e0fa050314cd200f24e3b99da61440b106ab.tar.gz qemu-2941e0fa050314cd200f24e3b99da61440b106ab.tar.bz2 | |
linux-user/s390x: Save/restore fpc when handling a signal
Linux kernel does this in fpregs_store() and fpregs_load(), so
qemu-user should do this as well.
Found by running valgrind's none/tests/s390x/test_sig.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220817123902.585623-1-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/s390x/signal.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/linux-user/s390x/signal.c b/linux-user/s390x/signal.c index 4979c4b..f721655 100644 --- a/linux-user/s390x/signal.c +++ b/linux-user/s390x/signal.c @@ -146,6 +146,7 @@ static void save_sigregs(CPUS390XState *env, target_sigregs *sregs) * We have to store the fp registers to current->thread.fp_regs * to merge them with the emulated registers. */ + __put_user(env->fpc, &sregs->fpregs.fpc); for (i = 0; i < 16; i++) { __put_user(*get_freg(env, i), &sregs->fpregs.fprs[i]); } @@ -331,6 +332,7 @@ static void restore_sigregs(CPUS390XState *env, target_sigregs *sc) for (i = 0; i < 16; i++) { __get_user(env->aregs[i], &sc->regs.acrs[i]); } + __get_user(env->fpc, &sc->fpregs.fpc); for (i = 0; i < 16; i++) { __get_user(*get_freg(env, i), &sc->fpregs.fprs[i]); } |