From: Ilya Leoshkevich <iii@linux.ibm.com>
To: Richard Henderson <richard.henderson@linaro.org>,
David Hildenbrand <david@redhat.com>,
Laurent Vivier <laurent@vivier.eu>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
qemu-s390x@nongnu.org, qemu-devel@nongnu.org,
Ilya Leoshkevich <iii@linux.ibm.com>,
Andreas Krebbel <krebbel@linux.ibm.com>
Subject: [PATCH 2/2] tests/tcg/s390x: Test SIGILL handling
Date: Fri, 21 May 2021 05:01:46 +0200 [thread overview]
Message-ID: <20210521030146.2831663-3-iii@linux.ibm.com> (raw)
In-Reply-To: <20210521030146.2831663-1-iii@linux.ibm.com>
Verify that s390x-specific uc_mcontext.psw.addr is reported correctly.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
tests/tcg/s390x/Makefile.target | 1 +
tests/tcg/s390x/sigill.c | 41 +++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+)
create mode 100644 tests/tcg/s390x/sigill.c
diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target
index 241ef28f61..8699d829a5 100644
--- a/tests/tcg/s390x/Makefile.target
+++ b/tests/tcg/s390x/Makefile.target
@@ -8,3 +8,4 @@ TESTS+=exrl-trtr
TESTS+=pack
TESTS+=mvo
TESTS+=mvc
+TESTS+=sigill
diff --git a/tests/tcg/s390x/sigill.c b/tests/tcg/s390x/sigill.c
new file mode 100644
index 0000000000..f8021dc6af
--- /dev/null
+++ b/tests/tcg/s390x/sigill.c
@@ -0,0 +1,41 @@
+#include <assert.h>
+#include <signal.h>
+#include <string.h>
+#include <ucontext.h>
+#include <unistd.h>
+
+extern char expected_si_addr[];
+extern char expected_psw_addr[];
+
+static void handle_signal(int sig, siginfo_t *info, void *ucontext)
+{
+ if (sig != SIGILL) {
+ _exit(1);
+ }
+
+ if (info->si_addr != expected_si_addr) {
+ _exit(2);
+ }
+
+ if (((ucontext_t *)ucontext)->uc_mcontext.psw.addr !=
+ (unsigned long)expected_psw_addr) {
+ _exit(3);
+ }
+}
+
+int main(void)
+{
+ struct sigaction act;
+
+ memset(&act, 0, sizeof(act));
+ act.sa_sigaction = handle_signal;
+ act.sa_flags = SA_SIGINFO;
+
+ int ret = sigaction(SIGILL, &act, NULL);
+ assert(ret == 0);
+
+ asm volatile("expected_si_addr:\t.byte\t0x00,0x00\n"
+ "expected_psw_addr:");
+
+ return 0;
+}
--
2.31.1
next prev parent reply other threads:[~2021-05-21 3:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-21 3:01 [PATCH 0/2] Fix SIGILL psw.addr reporting Ilya Leoshkevich
2021-05-21 3:01 ` [PATCH 1/2] target/s390x: " Ilya Leoshkevich
2021-05-21 7:49 ` David Hildenbrand
2021-05-21 3:01 ` Ilya Leoshkevich [this message]
2021-05-21 7:54 ` [PATCH 2/2] tests/tcg/s390x: Test SIGILL handling David Hildenbrand
2021-05-21 10:42 ` Ilya Leoshkevich
2021-05-21 3:09 ` [PATCH 0/2] Fix SIGILL psw.addr reporting no-reply
2021-05-21 7:42 ` David Hildenbrand
2021-05-21 10:45 ` Ilya Leoshkevich
2021-05-21 10:59 ` Cornelia Huck
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