1 #
2 # Copyright (c) 2015, 2026, 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
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8 # particular file as subject to the "Classpath" exception as provided
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10 #
11 # This code is distributed in the hope that it will be useful, but WITHOUT
12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 # version 2 for more details (a copy is included in the LICENSE file that
15 # accompanied this code).
16 #
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18 # 2 along with this work; if not, write to the Free Software Foundation,
19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 #
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23 # questions.
24 #
25
26 include MakeIncludeStart.gmk
27 ifeq ($(INCLUDE), true)
28
29 ################################################################################
30
31 VARHANDLES_INPUT_DIR := $(MODULE_SRC)/share/classes/java/lang/invoke
32 VARHANDLES_OUTPUT_DIR := $(SUPPORT_OUTPUTDIR)/gensrc/java.base/java/lang/invoke
33 # These guys are cased because make cannot preserve case...
34 VARHANDLE_OBJECT_TYPES := Reference FlatValue NonAtomicReference NonAtomicFlatValue
35
36 ################################################################################
37 # Setup a rule for generating a VarHandle java class
38 #
39 # arg $1: type for this varhandle
40 define GenerateVarHandle
41 # Underlying erased signature type, Object or a primitive type
42 VARHANDLE_$1_type := \
43 $$(strip $$(if $$(filter $(VARHANDLE_OBJECT_TYPES), $1), Object, $1))
44 VARHANDLE_$1_InputType := \
45 $$(strip $$(if $$(filter $(VARHANDLE_OBJECT_TYPES), $1), $1, \
46 $$(call Conv, $1, Type)))
47 VARHANDLE_$1_Type := \
48 $$(strip $$(subst NonAtomicReference, Reference, \
49 $$(subst NonAtomicFlatValue, FlatValue, $$(VARHANDLE_$1_InputType))))
50
51 $1_KEYS := $$(VARHANDLE_$1_type) CAS
52 ifneq ($$(filter $(PRIMITIVE_TYPES), $1),)
53 # Reference types use ArrayVarHandle class
54 $1_KEYS += Array Static
55 else ifneq ($$(filter Reference NonAtomicReference, $1),)
56 $1_KEYS += Reference Static
57 else ifneq ($$(filter FlatValue NonAtomicFlatValue, $1),)
58 # No static field is flat in Hotspot
59 $1_KEYS += FlatValue
60 endif
61
62 ifneq ($$(filter byte short char, $1),)
63 $1_KEYS += ShorterThanInt
64 endif
65 ifneq ($$(filter $(NUMBER_TYPES), $1),)
66 $1_KEYS += AtomicAdd
67 endif
68 ifneq ($$(filter $(BITWISE_PRIMITIVE_TYPES), $1),)
69 $1_KEYS += Bitwise
70 endif
71 ifeq ($$(filter NonAtomicReference NonAtomicFlatValue, $1),)
72 # Everyone except NonAtomicXxx have non-plain access
73 $1_KEYS += NonPlainAccess
74 endif
75
76 $$(eval $$(call SetupStreamPreProcessing, GEN_VARHANDLE_$1, \
77 SOURCE_FILE := $$(VARHANDLES_INPUT_DIR)/X-VarHandle.java.template, \
78 OUTPUT_FILE := $$(VARHANDLES_OUTPUT_DIR)/VarHandle$$(VARHANDLE_$1_InputType)s.java, \
79 INFO := Generating VarHandle class for $1, \
80 SUBST_EMPTY_LINES := false, \
81 KEYS := $$($1_KEYS), \
82 REPLACEMENTS := \
83 type=$$(VARHANDLE_$1_type) \
84 Type=$$(VARHANDLE_$1_Type) \
85 InputType=$$(VARHANDLE_$1_InputType), \
86 ))
87 TARGETS += $$(GEN_VARHANDLE_$1)
88 endef
89
90 ################################################################################
91 # Setup a rule for generating a VarHandleByteArray java class
92 #
93 # arg $1: type for this varhandle
94 define GenerateVarHandleByteArray
95 VARHANDLE_BYTEARRAY_$1_Type := $$(call Conv, $1, Type)
96
97 $1_KEYS := $1
98 ifneq ($$(filter int long float double, $1),)
99 $1_KEYS += CAS
100 endif
101 ifneq ($$(filter float double, $1),)
102 $1_KEYS += floatingPoint
103 endif
104 ifneq ($$(filter int long, $1),)
105 $1_KEYS += AtomicAdd Bitwise
106 endif
107
108 $$(eval $$(call SetupStreamPreProcessing, GEN_VARHANDLE_BYTEARRAY_$1, \
109 SOURCE_FILE := $$(VARHANDLES_INPUT_DIR)/X-VarHandleByteArrayView.java.template, \
110 OUTPUT_FILE := $$(VARHANDLES_OUTPUT_DIR)/VarHandleByteArrayAs$$(VARHANDLE_BYTEARRAY_$1_Type)s.java, \
111 INFO := Generating VarHandleByteArray class for $1, \
112 SUBST_EMPTY_LINES := false, \
113 KEYS := $$($1_KEYS), \
114 REPLACEMENTS := \
115 type=$1 \
116 Type=$$(VARHANDLE_BYTEARRAY_$1_Type) \
117 BoxType=$$(call Conv, $1, Fulltype) \
118 rawType=$$(call Conv, $1, memtype) \
119 RawType=$$(call Conv, $1, Memtype) \
120 RawBoxType=$$(call Conv, $1, FullMemtype), \
121 ))
122 TARGETS += $$(GEN_VARHANDLE_BYTEARRAY_$1)
123 endef
124
125 ################################################################################
126 # Setup a rule for generating a VarHandleMemorySegment java class
127 #
128 # arg $1: type for this varhandle
129 define GenerateVarHandleMemorySegment
130 VARHANDLE_SEGMENT_$1_Type := $$(call Conv, $1, Type)
131
132
133 $1_KEYS := $1
134 ifneq ($$(filter int long float double, $1),)
135 $1_KEYS += CAS
136 endif
137 ifneq ($$(filter boolean byte, $1),)
138 $1_KEYS += byte
139 endif
140 ifneq ($$(filter float double, $1),)
141 $1_KEYS += floatingPoint
142 endif
143 ifneq ($$(filter boolean byte short char, $1),)
144 $1_KEYS += ShorterThanInt
145 endif
146 ifneq ($$(filter int long, $1),)
147 $1_KEYS += AtomicAdd Bitwise
148 endif
149
150 $$(eval $$(call SetupStreamPreProcessing, GEN_VARHANDLE_SEGMENT_$1, \
151 SOURCE_FILE := $$(VARHANDLES_INPUT_DIR)/X-VarHandleSegmentView.java.template, \
152 OUTPUT_FILE := $$(VARHANDLES_OUTPUT_DIR)/VarHandleSegmentAs$$(VARHANDLE_SEGMENT_$1_Type)s.java, \
153 INFO := Generating VarHandleSegment class for $1, \
154 SUBST_EMPTY_LINES := false, \
155 KEYS := $$($1_KEYS), \
156 REPLACEMENTS := \
157 type=$1 \
158 Type=$$(VARHANDLE_SEGMENT_$1_Type) \
159 BoxType=$$(call Conv, $1, Fulltype) \
160 rawType=$$(call Conv, $1, memtype) \
161 RawType=$$(call Conv, $1, Memtype) \
162 RawBoxType=$$(call Conv, $1, FullMemtype), \
163 ))
164 TARGETS += $$(GEN_VARHANDLE_SEGMENT_$1)
165 endef
166
167 ################################################################################
168 # Generate all VarHandle related classes
169
170 $(foreach t, $(PRIMITIVE_TYPES) $(VARHANDLE_OBJECT_TYPES), \
171 $(eval $(call GenerateVarHandle,$t)) \
172 )
173
174 $(foreach t, $(NON_BYTE_NUMBER_TYPES), \
175 $(eval $(call GenerateVarHandleByteArray,$t)) \
176 )
177
178 $(foreach t, $(PRIMITIVE_TYPES), \
179 $(eval $(call GenerateVarHandleMemorySegment,$t)) \
180 )
181
182 ################################################################################
183
184 GENSRC_VARHANDLEGUARDS := $(VARHANDLES_OUTPUT_DIR)/VarHandleGuards.java
185
186 $(GENSRC_VARHANDLEGUARDS): $(BUILD_TOOLS_JDK)
187 $(call LogInfo, Generating $@)
188 $(call MakeTargetDir)
189 $(TOOL_VARHANDLEGUARDMETHODGENERATOR) \
190 $(GENSRC_VARHANDLEGUARDS)
191
192 TARGETS += $(GENSRC_VARHANDLEGUARDS)
193
194 ################################################################################
195
196 endif # include guard
197 include MakeIncludeEnd.gmk