1 #
2 # Copyright (c) 2015, 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. Oracle designates this
8 # particular file as subject to the "Classpath" exception as provided
9 # by Oracle in the LICENSE file that accompanied this code.
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 #
17 # You should have received a copy of the GNU General Public License version
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 #
21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 # or visit www.oracle.com if you need additional information or have any
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
34 ################################################################################
35 # Setup a rule for generating a VarHandle java class
36 #
37 # arg $1: type for this varhandle
38 define GenerateVarHandle
39 VARHANDLE_$1_type := $$(strip $$(if $$(filter reference, $1), Object, $1))
40 VARHANDLE_$1_Type := $$(call Conv, $1, Type)
41
42 $1_KEYS := $$(VARHANDLE_$1_type) CAS
43 ifneq ($$(filter byte short char, $1),)
44 $1_KEYS += ShorterThanInt
45 endif
46 ifeq ($$(filter boolean reference, $1),)
47 $1_KEYS += AtomicAdd
48 endif
49 ifeq ($$(filter float double reference, $1),)
50 $1_KEYS += Bitwise
51 endif
52
53 $$(eval $$(call SetupStreamPreProcessing, GEN_VARHANDLE_$1, \
54 SOURCE_FILE := $$(VARHANDLES_INPUT_DIR)/X-VarHandle.java.template, \
55 OUTPUT_FILE := $$(VARHANDLES_OUTPUT_DIR)/VarHandle$$(VARHANDLE_$1_Type)s.java, \
56 INFO := Generating VarHandle class for $1, \
57 SUBST_EMPTY_LINES := false, \
58 KEYS := $$($1_KEYS), \
59 REPLACEMENTS := \
60 type=$$(VARHANDLE_$1_type) \
61 Type=$$(VARHANDLE_$1_Type), \
62 ))
63 TARGETS += $$(GEN_VARHANDLE_$1)
64 endef
65
66 ################################################################################
67 # Setup a rule for generating a VarHandleByteArray java class
68 #
69 # arg $1: type for this varhandle
70 define GenerateVarHandleByteArray
71 VARHANDLE_BYTEARRAY_$1_Type := $$(call Conv, $1, Type)
72
73 $1_KEYS := $1
74 ifneq ($$(filter int long float double, $1),)
75 $1_KEYS += CAS
76 endif
77 ifneq ($$(filter float double, $1),)
78 $1_KEYS += floatingPoint
79 endif
80 ifneq ($$(filter int long, $1),)
81 $1_KEYS += AtomicAdd Bitwise
82 endif
83
84 $$(eval $$(call SetupStreamPreProcessing, GEN_VARHANDLE_BYTEARRAY_$1, \
85 SOURCE_FILE := $$(VARHANDLES_INPUT_DIR)/X-VarHandleByteArrayView.java.template, \
86 OUTPUT_FILE := $$(VARHANDLES_OUTPUT_DIR)/VarHandleByteArrayAs$$(VARHANDLE_BYTEARRAY_$1_Type)s.java, \
87 INFO := Generating VarHandleByteArray class for $1, \
88 SUBST_EMPTY_LINES := false, \
89 KEYS := $$($1_KEYS), \
90 REPLACEMENTS := \
91 type=$1 \
92 Type=$$(VARHANDLE_BYTEARRAY_$1_Type) \
93 BoxType=$$(call Conv, $1, Fulltype) \
94 rawType=$$(call Conv, $1, memtype) \
95 RawType=$$(call Conv, $1, Memtype) \
96 RawBoxType=$$(call Conv, $1, FullMemtype), \
97 ))
98 TARGETS += $$(GEN_VARHANDLE_BYTEARRAY_$1)
99 endef
100
101 ################################################################################
102 # Setup a rule for generating a VarHandleMemorySegment java class
103 #
104 # arg $1: type for this varhandle
105 define GenerateVarHandleMemorySegment
106 VARHANDLE_SEGMENT_$1_Type := $$(call Conv, $1, Type)
107
108
109 $1_KEYS := $1
110 ifneq ($$(filter int long float double, $1),)
111 $1_KEYS += CAS
112 endif
113 ifneq ($$(filter boolean byte, $1),)
114 $1_KEYS += byte
115 endif
116 ifneq ($$(filter float double, $1),)
117 $1_KEYS += floatingPoint
118 endif
119 ifneq ($$(filter boolean byte short char, $1),)
120 $1_KEYS += ShorterThanInt
121 endif
122 ifneq ($$(filter int long, $1),)
123 $1_KEYS += AtomicAdd Bitwise
124 endif
125
126 $$(eval $$(call SetupStreamPreProcessing, GEN_VARHANDLE_SEGMENT_$1, \
127 SOURCE_FILE := $$(VARHANDLES_INPUT_DIR)/X-VarHandleSegmentView.java.template, \
128 OUTPUT_FILE := $$(VARHANDLES_OUTPUT_DIR)/VarHandleSegmentAs$$(VARHANDLE_SEGMENT_$1_Type)s.java, \
129 INFO := Generating VarHandleSegment class for $1, \
130 SUBST_EMPTY_LINES := false, \
131 KEYS := $$($1_KEYS), \
132 REPLACEMENTS := \
133 type=$1 \
134 Type=$$(VARHANDLE_SEGMENT_$1_Type) \
135 BoxType=$$(call Conv, $1, Fulltype) \
136 rawType=$$(call Conv, $1, memtype) \
137 RawType=$$(call Conv, $1, Memtype) \
138 RawBoxType=$$(call Conv, $1, FullMemtype), \
139 ))
140 TARGETS += $$(GEN_VARHANDLE_SEGMENT_$1)
141 endef
142
143 ################################################################################
144 # Generate all VarHandle related classes
145
146 $(foreach t, $(PRIMITIVE_TYPES) reference, \
147 $(eval $(call GenerateVarHandle,$t)) \
148 )
149
150 $(foreach t, $(NON_BYTE_NUMBER_TYPES), \
151 $(eval $(call GenerateVarHandleByteArray,$t)) \
152 )
153
154 $(foreach t, $(PRIMITIVE_TYPES), \
155 $(eval $(call GenerateVarHandleMemorySegment,$t)) \
156 )
157
158 ################################################################################
159
160 GENSRC_VARHANDLEGUARDS := $(VARHANDLES_OUTPUT_DIR)/VarHandleGuards.java
161
162 $(GENSRC_VARHANDLEGUARDS): $(BUILD_TOOLS_JDK)
163 $(call LogInfo, Generating $@)
164 $(call MakeTargetDir)
165 $(TOOL_VARHANDLEGUARDMETHODGENERATOR) \
166 $(GENSRC_VARHANDLEGUARDS)
167
168 TARGETS += $(GENSRC_VARHANDLEGUARDS)
169
170 ################################################################################
171
172 endif # include guard
173 include MakeIncludeEnd.gmk