1 #
  2 # Copyright (c) 2013, 2022, 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 $(eval $(call IncludeCustomExtension, hotspot/lib/JvmFeatures.gmk))
 27 
 28 ################################################################################
 29 # Setup CFLAGS and EXCLUDES for the libjvm compilation, depending on which
 30 # jvm features are selected for this jvm variant.
 31 
 32 ifeq ($(call check-jvm-feature, compiler1), true)
 33   JVM_CFLAGS_FEATURES += -DCOMPILER1
 34 else
 35   JVM_EXCLUDE_PATTERNS += c1_ c1/
 36 endif
 37 
 38 ifeq ($(call check-jvm-feature, compiler2), true)
 39   JVM_CFLAGS_FEATURES += -DCOMPILER2
 40   JVM_SRC_DIRS += $(JVM_VARIANT_OUTPUTDIR)/gensrc/adfiles
 41 else
 42   JVM_EXCLUDES += opto libadt
 43   JVM_EXCLUDE_FILES += bcEscapeAnalyzer.cpp ciTypeFlow.cpp
 44   JVM_EXCLUDE_PATTERNS += c2_ runtime_ /c2/
 45 endif
 46 
 47 ifeq ($(call check-jvm-feature, zero), true)
 48   JVM_EXCLUDES += opto libadt
 49   JVM_EXCLUDE_PATTERNS += c1_ c1/ c2_ runtime_ /c2/
 50   JVM_EXCLUDE_FILES += templateInterpreter.cpp templateInterpreterGenerator.cpp \
 51                        bcEscapeAnalyzer.cpp ciTypeFlow.cpp
 52   JVM_CFLAGS_FEATURES += -DZERO -DZERO_LIBARCH='"$(OPENJDK_TARGET_CPU_LEGACY_LIB)"' $(LIBFFI_CFLAGS)
 53   JVM_LIBS_FEATURES += $(LIBFFI_LIBS)
 54   ifeq ($(ENABLE_LIBFFI_BUNDLING), true)
 55     JVM_LDFLAGS_FEATURES += $(call SET_EXECUTABLE_ORIGIN,/..)
 56   endif
 57 else
 58   JVM_EXCLUDE_PATTERNS += /zero/
 59 endif
 60 
 61 ifeq ($(JVM_VARIANT), core)
 62   JVM_CFLAGS_FEATURES += -DVMTYPE=\"Core\"
 63 endif
 64 
 65 ifeq ($(JVM_VARIANT), custom)
 66   JVM_CFLAGS_FEATURES += -DVMTYPE=\"Custom\"
 67 endif
 68 
 69 ifeq ($(call check-jvm-feature, minimal), true)
 70   JVM_CFLAGS_FEATURES += -DMINIMAL_JVM -DVMTYPE=\"Minimal\"
 71   ifeq ($(call isTargetOs, linux), true)
 72     # Override the default -g with a more liberal strip policy for the minimal JVM
 73     JVM_STRIPFLAGS := --strip-unneeded
 74   endif
 75 endif
 76 
 77 ifeq ($(call check-jvm-feature, dtrace), true)
 78   JVM_CFLAGS_FEATURES += -DDTRACE_ENABLED
 79 endif
 80 
 81 ifeq ($(call check-jvm-feature, static-build), true)
 82   JVM_CFLAGS_FEATURES += -DSTATIC_BUILD=1
 83 endif
 84 
 85 ifneq ($(call check-jvm-feature, jvmti), true)
 86   JVM_CFLAGS_FEATURES += -DINCLUDE_JVMTI=0
 87   JVM_EXCLUDE_FILES += jvmtiGetLoadedClasses.cpp jvmtiThreadState.cpp jvmtiExtensions.cpp \
 88       jvmtiImpl.cpp jvmtiManageCapabilities.cpp jvmtiRawMonitor.cpp jvmtiUtil.cpp jvmtiTrace.cpp \
 89       jvmtiCodeBlobEvents.cpp jvmtiEnv.cpp jvmtiRedefineClasses.cpp jvmtiEnvBase.cpp jvmtiEnvThreadState.cpp \
 90       jvmtiTagMap.cpp jvmtiEventController.cpp evmCompat.cpp jvmtiEnter.xsl jvmtiExport.cpp \
 91       jvmtiClassFileReconstituter.cpp jvmtiTagMapTable.cpp
 92 endif
 93 
 94 ifneq ($(call check-jvm-feature, jvmci), true)
 95   JVM_CFLAGS_FEATURES += -DINCLUDE_JVMCI=0
 96   JVM_EXCLUDES += jvmci
 97   JVM_EXCLUDE_FILES += jvmciCodeInstaller_$(HOTSPOT_TARGET_CPU_ARCH).cpp
 98 endif
 99 
100 ifneq ($(call check-jvm-feature, vm-structs), true)
101   JVM_CFLAGS_FEATURES += -DINCLUDE_VM_STRUCTS=0
102   JVM_EXCLUDE_FILES += vmStructs.cpp
103 endif
104 
105 ifneq ($(call check-jvm-feature, jni-check), true)
106   JVM_CFLAGS_FEATURES += -DINCLUDE_JNI_CHECK=0
107   JVM_EXCLUDE_FILES += jniCheck.cpp
108 endif
109 
110 ifneq ($(call check-jvm-feature, services), true)
111   JVM_CFLAGS_FEATURES += -DINCLUDE_SERVICES=0
112   JVM_EXCLUDE_FILES += heapDumper.cpp heapInspection.cpp \
113       attachListener_$(HOTSPOT_TARGET_OS).cpp attachListener.cpp
114 endif
115 
116 ifneq ($(call check-jvm-feature, management), true)
117   JVM_CFLAGS_FEATURES += -DINCLUDE_MANAGEMENT=0
118 endif
119 
120 ifneq ($(call check-jvm-feature, cds), true)
121   JVM_CFLAGS_FEATURES += -DINCLUDE_CDS=0
122   JVM_EXCLUDE_FILES += \
123       cdsProtectionDomain.cpp \
124       classLoaderDataShared.cpp \
125       classLoaderExt.cpp \
126       dumpTimeSharedClassInfo.cpp \
127       lambdaProxyClassDictionary.cpp \
128       runTimeSharedClassInfo.cpp \
129       systemDictionaryShared.cpp
130   JVM_EXCLUDE_PATTERNS += cds/
131 endif
132 
133 ifneq ($(call check-jvm-feature, g1gc), true)
134   JVM_CFLAGS_FEATURES += -DINCLUDE_G1GC=0
135   JVM_EXCLUDE_PATTERNS += gc/g1
136 endif
137 
138 ifneq ($(call check-jvm-feature, parallelgc), true)
139   JVM_CFLAGS_FEATURES += -DINCLUDE_PARALLELGC=0
140   JVM_EXCLUDE_PATTERNS += gc/parallel
141 endif
142 
143 ifneq ($(call check-jvm-feature, serialgc), true)
144   JVM_CFLAGS_FEATURES += -DINCLUDE_SERIALGC=0
145   JVM_EXCLUDE_PATTERNS += gc/serial
146 endif
147 
148 ifneq ($(call check-jvm-feature, epsilongc), true)
149   JVM_CFLAGS_FEATURES += -DINCLUDE_EPSILONGC=0
150   JVM_EXCLUDE_PATTERNS += gc/epsilon
151 endif
152 
153 ifneq ($(call check-jvm-feature, zgc), true)
154   JVM_CFLAGS_FEATURES += -DINCLUDE_ZGC=0
155   JVM_EXCLUDE_PATTERNS += gc/z
156 endif
157 
158 ifneq ($(call check-jvm-feature, shenandoahgc), true)
159   JVM_CFLAGS_FEATURES += -DINCLUDE_SHENANDOAHGC=0
160   JVM_EXCLUDE_PATTERNS += gc/shenandoah
161 endif
162 
163 ifneq ($(call check-jvm-feature, jfr), true)
164   JVM_CFLAGS_FEATURES += -DINCLUDE_JFR=0
165   JVM_EXCLUDE_PATTERNS += jfr
166   JVM_EXCLUDE_FILES += compilerEvent.cpp
167 endif
168 
169 ################################################################################
170 
171 ifeq ($(call check-jvm-feature, link-time-opt), true)
172   # NOTE: Disable automatic opimization level and let the explicit cflag control
173   # optimization level instead. This activates O3 on slowdebug builds, just
174   # like the old build, but it's probably not right.
175   JVM_OPTIMIZATION :=
176   JVM_CFLAGS_FEATURES += -O3 -flto
177   JVM_LDFLAGS_FEATURES += -O3 -flto -fuse-linker-plugin -fno-strict-aliasing
178 endif
179 
180 ifeq ($(call check-jvm-feature, opt-size), true)
181   JVM_OPTIMIZATION := SIZE
182   OPT_SPEED_SRC := \
183       allocation.cpp \
184       assembler.cpp \
185       barrierSet.cpp \
186       basicLock.cpp \
187       bytecode.cpp \
188       bytecodeInterpreter.cpp \
189       c1_Compilation.cpp \
190       c1_Compiler.cpp \
191       c1_GraphBuilder.cpp \
192       c1_LinearScan.cpp \
193       c1_LIR.cpp \
194       ciEnv.cpp \
195       ciObjectFactory.cpp \
196       codeBlob.cpp \
197       constantPool.cpp \
198       constMethod.cpp \
199       classLoader.cpp \
200       classLoaderData.cpp \
201       classFileParser.cpp \
202       classFileStream.cpp \
203       cpCache.cpp \
204       defNewGeneration.cpp \
205       frame_arm.cpp \
206       frame_aarch64.cpp \
207       frame_ppc.cpp \
208       frame_s390.cpp \
209       frame_x86.cpp \
210       genCollectedHeap.cpp \
211       generation.cpp \
212       genMarkSweep.cpp \
213       growableArray.cpp \
214       handles.cpp \
215       hashtable.cpp \
216       heap.cpp \
217       icache.cpp \
218       icache_arm.cpp \
219       icache_aarch64.cpp \
220       icache_ppc.cpp \
221       icache_s390.cpp \
222       icache_x86.cpp \
223       instanceKlass.cpp \
224       invocationCounter.cpp \
225       iterator.cpp \
226       javaCalls.cpp \
227       javaClasses.cpp \
228       jniFastGetField_arm.cpp \
229       jvm.cpp \
230       linkResolver.cpp \
231       klass.cpp \
232       klassVtable.cpp \
233       markSweep.cpp \
234       memRegion.cpp \
235       memoryPool.cpp \
236       method.cpp \
237       methodHandles.cpp \
238       methodHandles_arm.cpp \
239       methodLiveness.cpp \
240       metaspace.cpp \
241       mutex.cpp \
242       mutexLocker.cpp \
243       nativeLookup.cpp \
244       objArrayKlass.cpp \
245       os_linux.cpp \
246       os_linux_arm.cpp \
247       resourceArea.cpp \
248       rewriter.cpp \
249       sharedRuntime.cpp \
250       signature.cpp \
251       space.cpp \
252       stackMapTable.cpp \
253       symbolTable.cpp \
254       systemDictionary.cpp \
255       symbol.cpp \
256       synchronizer.cpp \
257       timer.cpp \
258       typeArrayKlass.cpp \
259       unsafe.cpp \
260       utf8.cpp \
261       vmSymbols.cpp \
262       #
263 
264   $(foreach s, $(OPT_SPEED_SRC), \
265       $(eval BUILD_LIBJVM_$s_OPTIMIZATION := HIGHEST_JVM))
266 
267   ifneq ($(filter $(TOOLCHAIN_TYPE), gcc clang), )
268     BUILD_LIBJVM_systemDictionary.cpp_CXXFLAGS := -fno-optimize-sibling-calls
269   endif
270 endif