Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/openj9
 Path: blob/master/runtime/bcutil/SRPKeyProducer.hpp
5985 views
1
/*******************************************************************************

2
 * Copyright (c) 2001, 2021 IBM Corp. and others

3
 *

4
 * This program and the accompanying materials are made available under

5
 * the terms of the Eclipse Public License 2.0 which accompanies this

6
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/

7
 * or the Apache License, Version 2.0 which accompanies this distribution and

8
 * is available at https://www.apache.org/licenses/LICENSE-2.0.

9
 *

10
 * This Source Code may also be made available under the following

11
 * Secondary Licenses when the conditions for such availability set

12
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU

13
 * General Public License, version 2 with the GNU Classpath

14
 * Exception [1] and GNU General Public License, version 2 with the

15
 * OpenJDK Assembly Exception [2].

16
 *

17
 * [1] https://www.gnu.org/software/classpath/license.html

18
 * [2] http://openjdk.java.net/legal/assembly-exception.html

19
 *

20
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception

21
 *******************************************************************************/

22


23
/*

24
 * SRPKeyProducer.hpp

25
 */

26


27
#ifndef SRPKEYPRODUCER_HPP_

28
#define SRPKEYPRODUCER_HPP_

29


30
/* @ddr_namespace: default */

31
#include "j9comp.h"

32
#include "ut_j9bcu.h"

33
#include "ROMClassBuilder.hpp" /* included to obtain definition of InterfaceInjectionInfo */

34


35
class ClassFileOracle;

36


37
class SRPKeyProducer

38
{

39
public:

40
#if defined(J9VM_OPT_VALHALLA_VALUE_TYPES)

41
	SRPKeyProducer(ClassFileOracle *classFileOracle, InterfaceInjectionInfo *interfaceInjectionInfo);

42
#else /* J9VM_OPT_VALHALLA_VALUE_TYPES */

43
	SRPKeyProducer(ClassFileOracle *classFileOracle);

44
#endif /* J9VM_OPT_VALHALLA_VALUE_TYPES */

45


46
	/* generateKey can no-longer be called after getMaxKey has been called */

47
	UDATA generateKey();

48
	UDATA getMaxKey();

49


50
	UDATA mapCfrConstantPoolIndexToKey(U_16 index)

51
	{

52
		U_16 maxIndex = _cfrConstantPoolCount;

53


54
#if defined(J9VM_OPT_VALHALLA_VALUE_TYPES)

55
		maxIndex += _numOfInterfacesToInject;

56
#endif /* J9VM_OPT_VALHALLA_VALUE_TYPES */

57


58
		Trc_BCU_Assert_LessThan(index, maxIndex);

59
		return index;

60
	}

61


62
	U_16 mapKeyToCfrConstantPoolIndex(UDATA key)

63
	{

64
		U_16 maxIndex = _cfrConstantPoolCount;

65


66
#if defined(J9VM_OPT_VALHALLA_VALUE_TYPES)

67
		maxIndex += _numOfInterfacesToInject;

68
#endif /* J9VM_OPT_VALHALLA_VALUE_TYPES */

69


70
		Trc_BCU_Assert_LessThan(key, maxIndex);

71
		return U_16(key);

72
	}

73


74
	UDATA mapMethodIndexToStackMapKey(U_16 index)

75
	{

76
		Trc_BCU_Assert_LessThan(index, _methodCount);

77
		return UDATA(index) + _startStackMapKeys;

78
	}

79


80
	UDATA mapMethodIndexToMethodDebugInfoKey(U_16 index)

81
	{

82
		Trc_BCU_Assert_LessThan(index, _methodCount);

83
		return UDATA(index) + _startMethodDebugInfoKeys;

84
	}

85


86
	UDATA mapMethodIndexToVariableInfoKey(U_16 index)

87
	{

88
		Trc_BCU_Assert_LessThan(index, _methodCount);

89
		return UDATA(index) + _startVariableInfoKeys;

90
	}

91


92
	bool isKeyToCfrConstantPoolItem(UDATA key) { return key < _cfrConstantPoolCount;}

93


94
private:

95
	U_16 _cfrConstantPoolCount;

96
	U_16 _methodCount;

97
	UDATA _startStackMapKeys;

98
	UDATA _startMethodDebugInfoKeys;

99
	UDATA _startVariableInfoKeys;

100
	UDATA _maxKey;

101
	bool _getMaxKeyWasCalled;

102
#if defined(J9VM_OPT_VALHALLA_VALUE_TYPES)

103
	U_16 _numOfInterfacesToInject;

104
#endif /* J9VM_OPT_VALHALLA_VALUE_TYPES */

105
};

106


107
#endif /* SRPKEYPRODUCER_HPP_ */

108


109