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-rw-r--r--linux-user/s390x/cpu_loop.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/linux-user/s390x/cpu_loop.c b/linux-user/s390x/cpu_loop.c
index 285bc60..8b7ac28 100644
--- a/linux-user/s390x/cpu_loop.c
+++ b/linux-user/s390x/cpu_loop.c
@@ -86,6 +86,15 @@ void cpu_loop(CPUS390XState *env)
} else if (ret != -QEMU_ESIGRETURN) {
env->regs[2] = ret;
}
+
+ if (unlikely(cs->singlestep_enabled)) {
+ /*
+ * cpu_tb_exec() did not raise EXCP_DEBUG, because it has seen
+ * that EXCP_SVC was already pending.
+ */
+ cs->exception_index = EXCP_DEBUG;
+ }
+
break;
case EXCP_DEBUG: