19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_CLASSFILE_KLASSFACTORY_HPP
26 #define SHARE_CLASSFILE_KLASSFACTORY_HPP
27
28 #include "memory/allocation.hpp"
29 #include "runtime/handles.hpp"
30
31 class ClassFileStream;
32 class ClassLoaderData;
33 class ClassLoadInfo;
34 template <typename>
35 class GrowableArray;
36 class Klass;
37 class Symbol;
38 class TempNewSymbol;
39
40 /*
41 * KlassFactory is an interface to implementations of the following mapping/function:
42 *
43 * Summary: create a VM internal runtime representation ("Klass")
44 from a bytestream (classfile).
45 *
46 * Input: a named bytestream in the Java class file format (see JVMS, chapter 4).
47 * Output: a VM runtime representation of a Java class
48 *
49 * Pre-conditions:
50 * a non-NULL ClassFileStream* // the classfile bytestream
51 * a non-NULL Symbol* // the name of the class
52 * a non-NULL ClassLoaderData* // the metaspace allocator
53 * (no pending exceptions)
54 *
55 * Returns:
56 * if the returned value is non-NULL, that value is an indirection (pointer/handle)
57 * to a Klass. The caller will not have a pending exception.
58 *
59 * On broken invariants and/or runtime errors the returned value will be
60 * NULL (or a NULL handle) and the caller *might* now have a pending exception.
61 *
62 */
63
64 class KlassFactory : AllStatic {
65
66 // approved clients
67 friend class ClassLoader;
68 friend class ClassLoaderExt;
69 friend class SystemDictionary;
70
71 private:
72 static InstanceKlass* create_from_stream(ClassFileStream* stream,
73 Symbol* name,
74 ClassLoaderData* loader_data,
75 const ClassLoadInfo& cl_info,
76 TRAPS);
77 public:
78 static InstanceKlass* check_shared_class_file_load_hook(
79 InstanceKlass* ik,
80 Symbol* class_name,
81 Handle class_loader,
82 Handle protection_domain,
83 const ClassFileStream *cfs,
84 TRAPS);
85 };
86
87 #endif // SHARE_CLASSFILE_KLASSFACTORY_HPP
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_CLASSFILE_KLASSFACTORY_HPP
26 #define SHARE_CLASSFILE_KLASSFACTORY_HPP
27
28 #include "memory/allocation.hpp"
29 #include "runtime/handles.hpp"
30
31 class ClassFileStream;
32 class ClassLoaderData;
33 class ClassLoadInfo;
34 template <typename>
35 class GrowableArray;
36 class Klass;
37 class Symbol;
38 class TempNewSymbol;
39 class LambdaFormInvokers;
40
41 /*
42 * KlassFactory is an interface to implementations of the following mapping/function:
43 *
44 * Summary: create a VM internal runtime representation ("Klass")
45 from a bytestream (classfile).
46 *
47 * Input: a named bytestream in the Java class file format (see JVMS, chapter 4).
48 * Output: a VM runtime representation of a Java class
49 *
50 * Pre-conditions:
51 * a non-NULL ClassFileStream* // the classfile bytestream
52 * a non-NULL Symbol* // the name of the class
53 * a non-NULL ClassLoaderData* // the metaspace allocator
54 * (no pending exceptions)
55 *
56 * Returns:
57 * if the returned value is non-NULL, that value is an indirection (pointer/handle)
58 * to a Klass. The caller will not have a pending exception.
59 *
60 * On broken invariants and/or runtime errors the returned value will be
61 * NULL (or a NULL handle) and the caller *might* now have a pending exception.
62 *
63 */
64
65 class KlassFactory : AllStatic {
66
67 // approved clients
68 friend class ClassLoader;
69 friend class ClassLoaderExt;
70 friend class SystemDictionary;
71 friend class LambdaFormInvokers;
72
73 private:
74 static InstanceKlass* create_from_stream(ClassFileStream* stream,
75 Symbol* name,
76 ClassLoaderData* loader_data,
77 const ClassLoadInfo& cl_info,
78 TRAPS);
79 public:
80 static InstanceKlass* check_shared_class_file_load_hook(
81 InstanceKlass* ik,
82 Symbol* class_name,
83 Handle class_loader,
84 Handle protection_domain,
85 const ClassFileStream *cfs,
86 TRAPS);
87 };
88
89 #endif // SHARE_CLASSFILE_KLASSFACTORY_HPP
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