qom: API to get instance_size of a type

Add an API object_type_get_size(const char *typename) that returns the
instance_size of the give typename.

Backports commit 3f97b53a682d2595747c926c00d78b9d406f1be0 from qemu

qemu/aarch64.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_aarch64
 #define object_resolve_path_type object_resolve_path_type_aarch64
 #define object_set_link_property object_set_link_property_aarch64
+#define object_type_get_instance_size object_type_get_instance_size_aarch64
 #define object_unparent object_unparent_aarch64
 #define omap_cachemaint_write omap_cachemaint_write_aarch64
 #define omap_cp_reginfo omap_cp_reginfo_aarch64

qemu/aarch64eb.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_aarch64eb
 #define object_resolve_path_type object_resolve_path_type_aarch64eb
 #define object_set_link_property object_set_link_property_aarch64eb
+#define object_type_get_instance_size object_type_get_instance_size_aarch64eb
 #define object_unparent object_unparent_aarch64eb
 #define omap_cachemaint_write omap_cachemaint_write_aarch64eb
 #define omap_cp_reginfo omap_cp_reginfo_aarch64eb

qemu/arm.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_arm
 #define object_resolve_path_type object_resolve_path_type_arm
 #define object_set_link_property object_set_link_property_arm
+#define object_type_get_instance_size object_type_get_instance_size_arm
 #define object_unparent object_unparent_arm
 #define omap_cachemaint_write omap_cachemaint_write_arm
 #define omap_cp_reginfo omap_cp_reginfo_arm

qemu/armeb.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_armeb
 #define object_resolve_path_type object_resolve_path_type_armeb
 #define object_set_link_property object_set_link_property_armeb
+#define object_type_get_instance_size object_type_get_instance_size_armeb
 #define object_unparent object_unparent_armeb
 #define omap_cachemaint_write omap_cachemaint_write_armeb
 #define omap_cp_reginfo omap_cp_reginfo_armeb

qemu/header_gen.py

@@ -2223,6 +2223,7 @@ symbols = (
     'object_resolve_path_component',
     'object_resolve_path_type',
     'object_set_link_property',
+    'object_type_get_instance_size',
     'object_unparent',
     'omap_cachemaint_write',
     'omap_cp_reginfo',

qemu/include/qom/object.h

@@ -1376,6 +1376,14 @@ int object_child_foreach_recursive(Object *obj,
  */
 Object *container_get(struct uc_struct *uc, Object *root, const char *path);
 
+/**
+ * object_type_get_instance_size:
+ * @typename: Name of the Type whose instance_size is required
+ *
+ * Returns the instance_size of the given @typename.
+ */
+size_t object_type_get_instance_size(struct uc_struct *uc, const char *typename);
+
 void container_register_types(struct uc_struct *uc);
 
 void register_types_object(struct uc_struct *uc);

qemu/m68k.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_m68k
 #define object_resolve_path_type object_resolve_path_type_m68k
 #define object_set_link_property object_set_link_property_m68k
+#define object_type_get_instance_size object_type_get_instance_size_m68k
 #define object_unparent object_unparent_m68k
 #define omap_cachemaint_write omap_cachemaint_write_m68k
 #define omap_cp_reginfo omap_cp_reginfo_m68k

qemu/mips.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_mips
 #define object_resolve_path_type object_resolve_path_type_mips
 #define object_set_link_property object_set_link_property_mips
+#define object_type_get_instance_size object_type_get_instance_size_mips
 #define object_unparent object_unparent_mips
 #define omap_cachemaint_write omap_cachemaint_write_mips
 #define omap_cp_reginfo omap_cp_reginfo_mips

qemu/mips64.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_mips64
 #define object_resolve_path_type object_resolve_path_type_mips64
 #define object_set_link_property object_set_link_property_mips64
+#define object_type_get_instance_size object_type_get_instance_size_mips64
 #define object_unparent object_unparent_mips64
 #define omap_cachemaint_write omap_cachemaint_write_mips64
 #define omap_cp_reginfo omap_cp_reginfo_mips64

qemu/mips64el.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_mips64el
 #define object_resolve_path_type object_resolve_path_type_mips64el
 #define object_set_link_property object_set_link_property_mips64el
+#define object_type_get_instance_size object_type_get_instance_size_mips64el
 #define object_unparent object_unparent_mips64el
 #define omap_cachemaint_write omap_cachemaint_write_mips64el
 #define omap_cp_reginfo omap_cp_reginfo_mips64el

qemu/mipsel.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_mipsel
 #define object_resolve_path_type object_resolve_path_type_mipsel
 #define object_set_link_property object_set_link_property_mipsel
+#define object_type_get_instance_size object_type_get_instance_size_mipsel
 #define object_unparent object_unparent_mipsel
 #define omap_cachemaint_write omap_cachemaint_write_mipsel
 #define omap_cp_reginfo omap_cp_reginfo_mipsel

qemu/powerpc.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_powerpc
 #define object_resolve_path_type object_resolve_path_type_powerpc
 #define object_set_link_property object_set_link_property_powerpc
+#define object_type_get_instance_size object_type_get_instance_size_powerpc
 #define object_unparent object_unparent_powerpc
 #define omap_cachemaint_write omap_cachemaint_write_powerpc
 #define omap_cp_reginfo omap_cp_reginfo_powerpc

qemu/qom/object.c

@@ -195,6 +195,14 @@ static size_t type_object_get_size(struct uc_struct *uc, TypeImpl *ti)
     return 0;
 }
 
+size_t object_type_get_instance_size(struct uc_struct *uc, const char *typename)
+{
+    TypeImpl *type = type_get_by_name(uc, typename);
+
+    g_assert(type != NULL);
+    return type_object_get_size(uc, type);
+}
+
 static bool type_is_ancestor(struct uc_struct *uc, TypeImpl *type, TypeImpl *target_type)
 {
     assert(target_type);

qemu/sparc.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_sparc
 #define object_resolve_path_type object_resolve_path_type_sparc
 #define object_set_link_property object_set_link_property_sparc
+#define object_type_get_instance_size object_type_get_instance_size_sparc
 #define object_unparent object_unparent_sparc
 #define omap_cachemaint_write omap_cachemaint_write_sparc
 #define omap_cp_reginfo omap_cp_reginfo_sparc

qemu/sparc64.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_sparc64
 #define object_resolve_path_type object_resolve_path_type_sparc64
 #define object_set_link_property object_set_link_property_sparc64
+#define object_type_get_instance_size object_type_get_instance_size_sparc64
 #define object_unparent object_unparent_sparc64
 #define omap_cachemaint_write omap_cachemaint_write_sparc64
 #define omap_cp_reginfo omap_cp_reginfo_sparc64

qemu/x86_64.h

@@ -2217,6 +2217,7 @@
 #define object_resolve_path_component object_resolve_path_component_x86_64
 #define object_resolve_path_type object_resolve_path_type_x86_64
 #define object_set_link_property object_set_link_property_x86_64
+#define object_type_get_instance_size object_type_get_instance_size_x86_64
 #define object_unparent object_unparent_x86_64
 #define omap_cachemaint_write omap_cachemaint_write_x86_64
 #define omap_cp_reginfo omap_cp_reginfo_x86_64