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 | 52 +++++++++++++++++++++++++++++++++
2 files changed, 53 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..aab560b30f
--- /dev/null
+++ b/tests/tcg/s390x/sigill.c
@@ -0,0 +1,52 @@
+#include <assert.h>
+#include <signal.h>
+#include <string.h>
+#include <ucontext.h>
+#include <unistd.h>
+
+/*
+ * The labels for the instruction that generates a SIGILL and for the one that
+ * follows it. They could have been defined in a separate .s file, but this
+ * would complicate the build, so use the inline asm instead.
+ */
+
+void expected_si_addr(void);
+void expected_psw_addr(void);
+
+asm(".globl\texpected_si_addr\n"
+ "expected_si_addr:\t.byte\t0x00,0x00\n"
+ "\t.globl\texpected_psw_addr\n"
+ "expected_psw_addr:\tbr\t%r14");
+
+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;
+ int ret;
+
+ memset(&act, 0, sizeof(act));
+ act.sa_sigaction = handle_signal;
+ act.sa_flags = SA_SIGINFO;
+
+ ret = sigaction(SIGILL, &act, NULL);
+ assert(ret == 0);
+
+ expected_si_addr();
+
+ return 0;
+}