2 files changed, 36 insertions, 0 deletions
diff --git a/include/qemu/accel.h b/include/qemu/accel.h
index be56da1b99..ce4747634a 100644
--- a/include/qemu/accel.h
+++ b/include/qemu/accel.h
@@ -43,6 +43,10 @@ typedef struct AccelClass {
     bool (*has_memory)(MachineState *ms, AddressSpace *as,
                        hwaddr start_addr, hwaddr size);
 #endif
+
+    /* gdbstub related hooks */
+    int (*gdbstub_supported_sstep_flags)(void);
+
     bool *allowed;
     /*
      * Array of global properties that would be applied when specific
@@ -92,4 +96,12 @@ void accel_cpu_instance_init(CPUState *cpu);
  */
 bool accel_cpu_realizefn(CPUState *cpu, Error **errp);
 
+/**
+ * accel_supported_gdbstub_sstep_flags:
+ *
+ * Returns the supported single step modes for the configured
+ * accelerator.
+ */
+int accel_supported_gdbstub_sstep_flags(void);
+
 #endif /* QEMU_ACCEL_H */
diff --git a/include/qemu/plugin.h b/include/qemu/plugin.h
index 145f8a221a..a772e14193 100644
--- a/include/qemu/plugin.h
+++ b/include/qemu/plugin.h
@@ -224,6 +224,23 @@ void qemu_plugin_disable_mem_helpers(CPUState *cpu);
  */
 void qemu_plugin_user_exit(void);
 
+/**
+ * qemu_plugin_user_prefork_lock(): take plugin lock before forking
+ *
+ * This is a user-mode only helper to take the internal plugin lock
+ * before a fork event. This is ensure a consistent lock state
+ */
+void qemu_plugin_user_prefork_lock(void);
+
+/**
+ * qemu_plugin_user_postfork(): reset the plugin lock
+ * @is_child: is this thread the child
+ *
+ * This user-mode only helper resets the lock state after a fork so we
+ * can continue using the plugin interface.
+ */
+void qemu_plugin_user_postfork(bool is_child);
+
 #else /* !CONFIG_PLUGIN */
 
 static inline void qemu_plugin_add_opts(void)
@@ -287,6 +304,13 @@ static inline void qemu_plugin_disable_mem_helpers(CPUState *cpu)
 
 static inline void qemu_plugin_user_exit(void)
 { }
+
+static inline void qemu_plugin_user_prefork_lock(void)
+{ }
+
+static inline void qemu_plugin_user_postfork(bool is_child)
+{ }
+
 #endif /* !CONFIG_PLUGIN */
 
 #endif /* QEMU_PLUGIN_H */