1 /*
2 * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
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_CDS_AOTCACHEACCESS_HPP
26 #define SHARE_CDS_AOTCACHEACCESS_HPP
27
28 #include "cds/archiveBuilder.hpp"
29 #include "cds/archiveUtils.hpp"
30 #include "memory/allStatic.hpp"
31 #include "oops/oopsHierarchy.hpp"
32 #include "utilities/globalDefinitions.hpp"
33
34 class ReservedSpace;
35
36 // AOT Cache API for AOT compiler
37
38 class AOTCacheAccess : AllStatic {
39 public:
40 static void* allocate_aot_code_region(size_t size) NOT_CDS_RETURN_(nullptr);
41
42 static size_t get_aot_code_region_size() NOT_CDS_RETURN_(0);
43
44 static bool map_aot_code_region(ReservedSpace rs) NOT_CDS_RETURN_(false);
45 };
46
47 #endif // SHARE_CDS_AOTCACHEACCESS_HPP
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1 /*
2 * Copyright (c) 2023, 2025, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
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_CDS_AOTCACHEACCESS_HPP
26 #define SHARE_CDS_AOTCACHEACCESS_HPP
27
28 #include "cds/archiveBuilder.hpp"
29 #include "cds/archiveUtils.hpp"
30 #include "memory/allStatic.hpp"
31 #include "oops/oopsHierarchy.hpp"
32 #include "utilities/globalDefinitions.hpp"
33
34 class InstanceKlass;
35 class Klass;
36 class Method;
37 class ReservedSpace;
38
39 class AOTCacheAccess : AllStatic {
40 private:
41 static bool can_generate_aot_code(address addr) NOT_CDS_RETURN_(false);
42 public:
43 static bool can_generate_aot_code(Method* m) {
44 return can_generate_aot_code((address)m);
45 }
46 static bool can_generate_aot_code(Klass* k) {
47 return can_generate_aot_code((address)k);
48 }
49 static bool can_generate_aot_code(InstanceKlass* ik) NOT_CDS_RETURN_(false);
50
51 static uint delta_from_shared_address_base(address addr);
52 static Method* method_in_aot_code(Method* m) NOT_CDS_RETURN_(nullptr);
53
54 static int get_archived_object_permanent_index(oop obj) NOT_CDS_JAVA_HEAP_RETURN_(-1);
55 static oop get_archived_object(int permanent_index) NOT_CDS_JAVA_HEAP_RETURN_(nullptr);
56
57 static void test_heap_access_api() NOT_CDS_JAVA_HEAP_RETURN;
58
59 static void* allocate_aot_code_region(size_t size) NOT_CDS_RETURN_(nullptr);
60
61 static size_t get_aot_code_region_size() NOT_CDS_RETURN_(0);
62 static void set_aot_code_region_size(size_t sz) NOT_CDS_RETURN;
63
64 static bool map_aot_code_region(ReservedSpace rs) NOT_CDS_RETURN_(false);
65
66 static bool is_aot_code_region_empty() NOT_CDS_RETURN_(true);
67
68 template <typename T>
69 static void set_pointer(T** ptr, T* value) {
70 set_pointer((address*)ptr, (address)value);
71 }
72 static void set_pointer(address* ptr, address value);
73 };
74
75 #endif // SHARE_CDS_AOTCACHEACCESS_HPP
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