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1// Copyright 2017 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package config
16
17import (
18	"path/filepath"
19	"runtime"
20	"strings"
21
22	_ "github.com/google/blueprint/bootstrap"
23
24	"android/soong/android"
25	"android/soong/remoteexec"
26)
27
28var (
29	pctx         = android.NewPackageContext("android/soong/java/config")
30	exportedVars = android.NewExportedVariables(pctx)
31
32	LegacyCorePlatformBootclasspathLibraries = []string{"legacy.core.platform.api.stubs", "core-lambda-stubs"}
33	LegacyCorePlatformSystemModules          = "legacy-core-platform-api-stubs-system-modules"
34	StableCorePlatformBootclasspathLibraries = []string{"stable.core.platform.api.stubs", "core-lambda-stubs"}
35	StableCorePlatformSystemModules          = "stable-core-platform-api-stubs-system-modules"
36	FrameworkLibraries                       = []string{"ext", "framework"}
37	DefaultLambdaStubsLibrary                = "core-lambda-stubs"
38	SdkLambdaStubsPath                       = "prebuilts/sdk/tools/core-lambda-stubs.jar"
39
40	DefaultMakeJacocoExcludeFilter = []string{"org.junit.*", "org.jacoco.*", "org.mockito.*"}
41	DefaultJacocoExcludeFilter     = []string{"org.junit.**", "org.jacoco.**", "org.mockito.**"}
42
43	InstrumentFrameworkModules = []string{
44		"framework",
45		"framework-minus-apex",
46		"telephony-common",
47		"services",
48		"android.car",
49		"android.car7",
50		"conscrypt",
51		"core-icu4j",
52		"core-oj",
53		"core-libart",
54	}
55)
56
57var (
58	JavacVmFlags    = strings.Join(javacVmFlagsList, " ")
59	javaVmFlagsList = []string{
60		`-XX:OnError="cat hs_err_pid%p.log"`,
61		"-XX:CICompilerCount=6",
62		"-XX:+UseDynamicNumberOfGCThreads",
63	}
64	javacVmFlagsList = []string{
65		`-J-XX:OnError="cat hs_err_pid%p.log"`,
66		"-J-XX:CICompilerCount=6",
67		"-J-XX:+UseDynamicNumberOfGCThreads",
68		"-J-XX:+TieredCompilation",
69		"-J-XX:TieredStopAtLevel=1",
70	}
71)
72
73func init() {
74	pctx.Import("github.com/google/blueprint/bootstrap")
75
76	exportedVars.ExportStringStaticVariable("JavacHeapSize", "2048M")
77	exportedVars.ExportStringStaticVariable("JavacHeapFlags", "-J-Xmx${JavacHeapSize}")
78
79	// ErrorProne can use significantly more memory than javac alone, give it a higher heap
80	// size (b/221480398).
81	exportedVars.ExportStringStaticVariable("ErrorProneHeapSize", "4096M")
82	exportedVars.ExportStringStaticVariable("ErrorProneHeapFlags", "-J-Xmx${ErrorProneHeapSize}")
83
84	exportedVars.ExportStringListStaticVariable("DexFlags", []string{
85		`-JXX:OnError="cat hs_err_pid%p.log"`,
86		"-JXX:CICompilerCount=6",
87		"-JXX:+UseDynamicNumberOfGCThreads",
88	})
89
90	exportedVars.ExportStringListStaticVariable("CommonJdkFlags", []string{
91		`-Xmaxerrs 9999999`,
92		`-encoding UTF-8`,
93		`-sourcepath ""`,
94		`-g`,
95		// Turbine leaves out bridges which can cause javac to unnecessarily insert them into
96		// subclasses (b/65645120).  Setting this flag causes our custom javac to assume that
97		// the missing bridges will exist at runtime and not recreate them in subclasses.
98		// If a different javac is used the flag will be ignored and extra bridges will be inserted.
99		// The flag is implemented by https://android-review.googlesource.com/c/486427
100		`-XDskipDuplicateBridges=true`,
101
102		// b/65004097: prevent using java.lang.invoke.StringConcatFactory when using -target 1.9
103		`-XDstringConcat=inline`,
104	})
105
106	exportedVars.ExportStringListStaticVariable("JavaVmFlags", javaVmFlagsList)
107	exportedVars.ExportStringListStaticVariable("JavacVmFlags", javacVmFlagsList)
108
109	pctx.VariableConfigMethod("hostPrebuiltTag", android.Config.PrebuiltOS)
110
111	pctx.VariableFunc("JavaHome", func(ctx android.PackageVarContext) string {
112		// This is set up and guaranteed by soong_ui
113		return ctx.Config().Getenv("ANDROID_JAVA_HOME")
114	})
115	pctx.VariableFunc("JlinkVersion", func(ctx android.PackageVarContext) string {
116		if override := ctx.Config().Getenv("OVERRIDE_JLINK_VERSION_NUMBER"); override != "" {
117			return override
118		}
119		switch ctx.Config().Getenv("EXPERIMENTAL_USE_OPENJDK17_TOOLCHAIN") {
120		case "true":
121			return "17"
122		default:
123			return "11"
124		}
125	})
126
127	pctx.SourcePathVariable("JavaToolchain", "${JavaHome}/bin")
128	pctx.SourcePathVariableWithEnvOverride("JavacCmd",
129		"${JavaToolchain}/javac", "ALTERNATE_JAVAC")
130	pctx.SourcePathVariable("JavaCmd", "${JavaToolchain}/java")
131	pctx.SourcePathVariable("JarCmd", "${JavaToolchain}/jar")
132	pctx.SourcePathVariable("JavadocCmd", "${JavaToolchain}/javadoc")
133	pctx.SourcePathVariable("JlinkCmd", "${JavaToolchain}/jlink")
134	pctx.SourcePathVariable("JmodCmd", "${JavaToolchain}/jmod")
135	pctx.SourcePathVariable("JrtFsJar", "${JavaHome}/lib/jrt-fs.jar")
136	pctx.SourcePathVariable("JavaKytheExtractorJar", "prebuilts/build-tools/common/framework/javac_extractor.jar")
137	pctx.SourcePathVariable("Ziptime", "prebuilts/build-tools/${hostPrebuiltTag}/bin/ziptime")
138
139	pctx.HostBinToolVariable("GenKotlinBuildFileCmd", "gen-kotlin-build-file.py")
140
141	pctx.SourcePathVariable("JarArgsCmd", "build/soong/scripts/jar-args.sh")
142	pctx.SourcePathVariable("PackageCheckCmd", "build/soong/scripts/package-check.sh")
143	pctx.HostBinToolVariable("ExtractJarPackagesCmd", "extract_jar_packages")
144	pctx.HostBinToolVariable("SoongZipCmd", "soong_zip")
145	pctx.HostBinToolVariable("MergeZipsCmd", "merge_zips")
146	pctx.HostBinToolVariable("Zip2ZipCmd", "zip2zip")
147	pctx.HostBinToolVariable("ZipSyncCmd", "zipsync")
148	pctx.HostBinToolVariable("ApiCheckCmd", "apicheck")
149	pctx.HostBinToolVariable("D8Cmd", "d8")
150	pctx.HostBinToolVariable("R8Cmd", "r8-compat-proguard")
151	pctx.HostBinToolVariable("HiddenAPICmd", "hiddenapi")
152	pctx.HostBinToolVariable("ExtractApksCmd", "extract_apks")
153	pctx.VariableFunc("TurbineJar", func(ctx android.PackageVarContext) string {
154		turbine := "turbine.jar"
155		if ctx.Config().AlwaysUsePrebuiltSdks() {
156			return "prebuilts/build-tools/common/framework/" + turbine
157		} else {
158			return ctx.Config().HostJavaToolPath(ctx, turbine).String()
159		}
160	})
161
162	pctx.HostJavaToolVariable("JarjarCmd", "jarjar.jar")
163	pctx.HostJavaToolVariable("JsilverJar", "jsilver.jar")
164	pctx.HostJavaToolVariable("DoclavaJar", "doclava.jar")
165	pctx.HostJavaToolVariable("MetalavaJar", "metalava.jar")
166	pctx.HostJavaToolVariable("DokkaJar", "dokka.jar")
167	pctx.HostJavaToolVariable("JetifierJar", "jetifier.jar")
168	pctx.HostJavaToolVariable("R8Jar", "r8-compat-proguard.jar")
169	pctx.HostJavaToolVariable("D8Jar", "d8.jar")
170
171	pctx.HostBinToolVariable("SoongJavacWrapper", "soong_javac_wrapper")
172	pctx.HostBinToolVariable("DexpreoptGen", "dexpreopt_gen")
173
174	pctx.StaticVariableWithEnvOverride("REJavaPool", "RBE_JAVA_POOL", "java16")
175	pctx.StaticVariableWithEnvOverride("REJavacExecStrategy", "RBE_JAVAC_EXEC_STRATEGY", remoteexec.RemoteLocalFallbackExecStrategy)
176	pctx.StaticVariableWithEnvOverride("RED8ExecStrategy", "RBE_D8_EXEC_STRATEGY", remoteexec.RemoteLocalFallbackExecStrategy)
177	pctx.StaticVariableWithEnvOverride("RER8ExecStrategy", "RBE_R8_EXEC_STRATEGY", remoteexec.RemoteLocalFallbackExecStrategy)
178	pctx.StaticVariableWithEnvOverride("RETurbineExecStrategy", "RBE_TURBINE_EXEC_STRATEGY", remoteexec.LocalExecStrategy)
179	pctx.StaticVariableWithEnvOverride("RESignApkExecStrategy", "RBE_SIGNAPK_EXEC_STRATEGY", remoteexec.LocalExecStrategy)
180	pctx.StaticVariableWithEnvOverride("REJarExecStrategy", "RBE_JAR_EXEC_STRATEGY", remoteexec.LocalExecStrategy)
181	pctx.StaticVariableWithEnvOverride("REZipExecStrategy", "RBE_ZIP_EXEC_STRATEGY", remoteexec.LocalExecStrategy)
182
183	pctx.HostJavaToolVariable("JacocoCLIJar", "jacoco-cli.jar")
184
185	pctx.HostBinToolVariable("ManifestCheckCmd", "manifest_check")
186	pctx.HostBinToolVariable("ManifestFixerCmd", "manifest_fixer")
187
188	pctx.HostBinToolVariable("ManifestMergerCmd", "manifest-merger")
189
190	pctx.HostBinToolVariable("Class2NonSdkList", "class2nonsdklist")
191	pctx.HostBinToolVariable("HiddenAPI", "hiddenapi")
192
193	hostBinToolVariableWithSdkToolsPrebuilt("Aapt2Cmd", "aapt2")
194	hostBinToolVariableWithBuildToolsPrebuilt("AidlCmd", "aidl")
195	hostBinToolVariableWithBuildToolsPrebuilt("ZipAlign", "zipalign")
196
197	hostJavaToolVariableWithSdkToolsPrebuilt("SignapkCmd", "signapk")
198	// TODO(ccross): this should come from the signapk dependencies, but we don't have any way
199	// to express host JNI dependencies yet.
200	hostJNIToolVariableWithSdkToolsPrebuilt("SignapkJniLibrary", "libconscrypt_openjdk_jni")
201}
202
203func BazelJavaToolchainVars(config android.Config) string {
204	return android.BazelToolchainVars(config, exportedVars)
205}
206
207func hostBinToolVariableWithSdkToolsPrebuilt(name, tool string) {
208	pctx.VariableFunc(name, func(ctx android.PackageVarContext) string {
209		if ctx.Config().AlwaysUsePrebuiltSdks() {
210			return filepath.Join("prebuilts/sdk/tools", runtime.GOOS, "bin", tool)
211		} else {
212			return ctx.Config().HostToolPath(ctx, tool).String()
213		}
214	})
215}
216
217func hostJavaToolVariableWithSdkToolsPrebuilt(name, tool string) {
218	pctx.VariableFunc(name, func(ctx android.PackageVarContext) string {
219		if ctx.Config().AlwaysUsePrebuiltSdks() {
220			return filepath.Join("prebuilts/sdk/tools/lib", tool+".jar")
221		} else {
222			return ctx.Config().HostJavaToolPath(ctx, tool+".jar").String()
223		}
224	})
225}
226
227func hostJNIToolVariableWithSdkToolsPrebuilt(name, tool string) {
228	pctx.VariableFunc(name, func(ctx android.PackageVarContext) string {
229		if ctx.Config().AlwaysUsePrebuiltSdks() {
230			ext := ".so"
231			if runtime.GOOS == "darwin" {
232				ext = ".dylib"
233			}
234			return filepath.Join("prebuilts/sdk/tools", runtime.GOOS, "lib64", tool+ext)
235		} else {
236			return ctx.Config().HostJNIToolPath(ctx, tool).String()
237		}
238	})
239}
240
241func hostBinToolVariableWithBuildToolsPrebuilt(name, tool string) {
242	pctx.VariableFunc(name, func(ctx android.PackageVarContext) string {
243		if ctx.Config().AlwaysUsePrebuiltSdks() {
244			return filepath.Join("prebuilts/build-tools", ctx.Config().PrebuiltOS(), "bin", tool)
245		} else {
246			return ctx.Config().HostToolPath(ctx, tool).String()
247		}
248	})
249}
250
251// JavaCmd returns a SourcePath object with the path to the java command.
252func JavaCmd(ctx android.PathContext) android.SourcePath {
253	return javaTool(ctx, "java")
254}
255
256// JavadocCmd returns a SourcePath object with the path to the java command.
257func JavadocCmd(ctx android.PathContext) android.SourcePath {
258	return javaTool(ctx, "javadoc")
259}
260
261func javaTool(ctx android.PathContext, tool string) android.SourcePath {
262	type javaToolKey string
263
264	key := android.NewCustomOnceKey(javaToolKey(tool))
265
266	return ctx.Config().OnceSourcePath(key, func() android.SourcePath {
267		return javaToolchain(ctx).Join(ctx, tool)
268	})
269
270}
271
272var javaToolchainKey = android.NewOnceKey("javaToolchain")
273
274func javaToolchain(ctx android.PathContext) android.SourcePath {
275	return ctx.Config().OnceSourcePath(javaToolchainKey, func() android.SourcePath {
276		return javaHome(ctx).Join(ctx, "bin")
277	})
278}
279
280var javaHomeKey = android.NewOnceKey("javaHome")
281
282func javaHome(ctx android.PathContext) android.SourcePath {
283	return ctx.Config().OnceSourcePath(javaHomeKey, func() android.SourcePath {
284		// This is set up and guaranteed by soong_ui
285		return android.PathForSource(ctx, ctx.Config().Getenv("ANDROID_JAVA_HOME"))
286	})
287}
288