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[PULL 45/59] linux-user/s390x: Add build asserts for sigset sizes
From: |
Laurent Vivier |
Subject: |
[PULL 45/59] linux-user/s390x: Add build asserts for sigset sizes |
Date: |
Tue, 18 May 2021 07:31:17 +0200 |
From: Richard Henderson <richard.henderson@linaro.org>
At point of usage, it's not immediately obvious that
we don't need a loop to copy these arrays.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210428193408.233706-14-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
linux-user/s390x/signal.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/linux-user/s390x/signal.c b/linux-user/s390x/signal.c
index 81ba59b46af5..839a7ae4b3d6 100644
--- a/linux-user/s390x/signal.c
+++ b/linux-user/s390x/signal.c
@@ -141,6 +141,8 @@ void setup_frame(int sig, struct target_sigaction *ka,
return;
}
+ /* Make sure that we're initializing all of oldmask. */
+ QEMU_BUILD_BUG_ON(ARRAY_SIZE(frame->sc.oldmask) != 1);
__put_user(set->sig[0], &frame->sc.oldmask[0]);
save_sigregs(env, &frame->sregs);
@@ -266,6 +268,9 @@ long do_sigreturn(CPUS390XState *env)
force_sig(TARGET_SIGSEGV);
return -TARGET_QEMU_ESIGRETURN;
}
+
+ /* Make sure that we're initializing all of target_set. */
+ QEMU_BUILD_BUG_ON(ARRAY_SIZE(target_set.sig) != 1);
__get_user(target_set.sig[0], &frame->sc.oldmask[0]);
target_to_host_sigset_internal(&set, &target_set);
--
2.31.1
- [PULL 22/59] linux-user/sparc: Use target_pt_regs, (continued)
- [PULL 22/59] linux-user/sparc: Use target_pt_regs, Laurent Vivier, 2021/05/18
- [PULL 28/59] linux-user/sparc: Minor corrections to do_sigreturn, Laurent Vivier, 2021/05/18
- [PULL 30/59] linux-user/sparc: Implement sparc32 rt signals, Laurent Vivier, 2021/05/18
- [PULL 20/59] linux-user/sparc: Remove target_rt_signal_frame as unused, Laurent Vivier, 2021/05/18
- [PULL 33/59] linux-user/s390x: Fix sigframe types, Laurent Vivier, 2021/05/18
- [PULL 23/59] linux-user/sparc: Split out save_reg_win, Laurent Vivier, 2021/05/18
- [PULL 37/59] linux-user/s390x: Fix trace in restore_regs, Laurent Vivier, 2021/05/18
- [PULL 32/59] tests/tcg/sparc64: Re-enable linux-test, Laurent Vivier, 2021/05/18
- [PULL 34/59] linux-user/s390x: Use uint16_t for signal retcode, Laurent Vivier, 2021/05/18
- [PULL 44/59] linux-user/s390x: Fix frame_addr corruption in setup_frame, Laurent Vivier, 2021/05/18
- [PULL 45/59] linux-user/s390x: Add build asserts for sigset sizes,
Laurent Vivier <=
- [PULL 49/59] linux-user: Fix erroneous conversion in copy_file_range, Laurent Vivier, 2021/05/18
- [PULL 48/59] linux-user: Add copy_file_range to strace.list, Laurent Vivier, 2021/05/18
- [PULL 27/59] linux-user/sparc: Clean up setup_frame, Laurent Vivier, 2021/05/18
- [PULL 50/59] linux-user: use GDateTime for formatting timestamp for core file, Laurent Vivier, 2021/05/18
- [PULL 53/59] linux-user: Pass ka_restorer to do_sigaction, Laurent Vivier, 2021/05/18
- [PULL 31/59] linux-user/sparc: Implement sparc64 rt signals, Laurent Vivier, 2021/05/18
- [PULL 36/59] linux-user/s390x: Remove restore_sigregs return value, Laurent Vivier, 2021/05/18
- [PULL 38/59] linux-user/s390x: Fix sigcontext sregs value, Laurent Vivier, 2021/05/18
- [PULL 40/59] linux-user/s390x: Tidy save_sigregs, Laurent Vivier, 2021/05/18
- [PULL 47/59] linux-user/s390x: Handle vector regs in signal stack, Laurent Vivier, 2021/05/18