[RFC v9 13/32] tcg: Make CPUClass.debug_excp_handler optional

[Claudio Fontana]

From: Eduardo Habkost <ehabk...@redhat.com>

Signed-off-by: Eduardo Habkost <ehabk...@redhat.com>
Signed-off-by: Claudio Fontana <cfont...@suse.de>
---
 accel/tcg/cpu-exec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 890b88861a..64cba89356 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -482,7 +482,9 @@ static inline void cpu_handle_debug_exception(CPUState *cpu)
         }
     }
 
-    cc->debug_excp_handler(cpu);
+    if (cc->debug_excp_handler) {
+        cc->debug_excp_handler(cpu);
+    }
 }
 
 static inline bool cpu_handle_exception(CPUState *cpu, int *ret)
-- 
2.26.2