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-rw-r--r--plugins/core.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/plugins/core.c b/plugins/core.c
index 848d482fc4..332474a5bc 100644
--- a/plugins/core.c
+++ b/plugins/core.c
@@ -371,6 +371,38 @@ void plugin_register_dyn_cb__udata(GArray **arr,
     dyn_cb->regular.info = &info[flags];
 }
 
+void plugin_register_dyn_cond_cb__udata(GArray **arr,
+                                        qemu_plugin_vcpu_udata_cb_t cb,
+                                        enum qemu_plugin_cb_flags flags,
+                                        enum qemu_plugin_cond cond,
+                                        qemu_plugin_u64 entry,
+                                        uint64_t imm,
+                                        void *udata)
+{
+    static TCGHelperInfo info[3] = {
+        [QEMU_PLUGIN_CB_NO_REGS].flags = TCG_CALL_NO_RWG,
+        [QEMU_PLUGIN_CB_R_REGS].flags = TCG_CALL_NO_WG,
+        /*
+         * Match qemu_plugin_vcpu_udata_cb_t:
+         *   void (*)(uint32_t, void *)
+         */
+        [0 ... 2].typemask = (dh_typemask(void, 0) |
+                              dh_typemask(i32, 1) |
+                              dh_typemask(ptr, 2))
+    };
+
+    struct qemu_plugin_dyn_cb *dyn_cb = plugin_get_dyn_cb(arr);
+    dyn_cb->userp = udata;
+    dyn_cb->type = PLUGIN_CB_COND;
+    dyn_cb->cond.f.vcpu_udata = cb;
+    dyn_cb->cond.cond = cond;
+    dyn_cb->cond.entry = entry;
+    dyn_cb->cond.imm = imm;
+
+    assert((unsigned)flags < ARRAY_SIZE(info));
+    dyn_cb->cond.info = &info[flags];
+}
+
 void plugin_register_vcpu_mem_cb(GArray **arr,
                                  void *cb,
                                  enum qemu_plugin_cb_flags flags,