26c6d9e9fb
JVM occasionally (0.5% time) crashes on entering a method with SIGSEGV. It might be due to excessive load on the host machine. Reduce the number of the compiler threads to 6, and do not start all the GC threads immediately. If JVM crashes, copy full diagnostics to stderr. Bug: 132766811 Test: treehugger Change-Id: Ib7bfd568f6d32456bf623cbb615ffc990c326a34
467 lines
15 KiB
Go
467 lines
15 KiB
Go
// Copyright 2015 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package java
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// This file generates the final rules for compiling all Java. All properties related to
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// compiling should have been translated into javaBuilderFlags or another argument to the Transform*
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// functions.
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import (
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"path/filepath"
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"strconv"
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"strings"
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"github.com/google/blueprint"
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"github.com/google/blueprint/proptools"
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"android/soong/android"
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)
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var (
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pctx = android.NewPackageContext("android/soong/java")
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// Compiling java is not conducive to proper dependency tracking. The path-matches-class-name
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// requirement leads to unpredictable generated source file names, and a single .java file
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// will get compiled into multiple .class files if it contains inner classes. To work around
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// this, all java rules write into separate directories and then are combined into a .jar file
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// (if the rule produces .class files) or a .srcjar file (if the rule produces .java files).
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// .srcjar files are unzipped into a temporary directory when compiled with javac.
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javac = pctx.AndroidGomaStaticRule("javac",
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blueprint.RuleParams{
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Command: `rm -rf "$outDir" "$annoDir" "$srcJarDir" && mkdir -p "$outDir" "$annoDir" "$srcJarDir" && ` +
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`${config.ZipSyncCmd} -d $srcJarDir -l $srcJarDir/list -f "*.java" $srcJars && ` +
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`(if [ -s $srcJarDir/list ] || [ -s $out.rsp ] ; then ` +
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`${config.SoongJavacWrapper} ${config.JavacWrapper}${config.JavacCmd} ` +
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`${config.JavacHeapFlags} ${config.JavacVmFlags} ${config.CommonJdkFlags} ` +
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`$processorpath $processor $javacFlags $bootClasspath $classpath ` +
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`-source $javaVersion -target $javaVersion ` +
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`-d $outDir -s $annoDir @$out.rsp @$srcJarDir/list ; fi ) && ` +
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`${config.SoongZipCmd} -jar -o $out -C $outDir -D $outDir && ` +
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`rm -rf "$srcJarDir"`,
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CommandDeps: []string{
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"${config.JavacCmd}",
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"${config.SoongZipCmd}",
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"${config.ZipSyncCmd}",
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},
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CommandOrderOnly: []string{"${config.SoongJavacWrapper}"},
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Rspfile: "$out.rsp",
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RspfileContent: "$in",
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},
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"javacFlags", "bootClasspath", "classpath", "processorpath", "processor", "srcJars", "srcJarDir",
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"outDir", "annoDir", "javaVersion")
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turbine = pctx.AndroidStaticRule("turbine",
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blueprint.RuleParams{
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Command: `rm -rf "$outDir" && mkdir -p "$outDir" && ` +
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`${config.JavaCmd} ${config.JavaVmFlags} -jar ${config.TurbineJar} --output $out.tmp ` +
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`--temp_dir "$outDir" --sources @$out.rsp --source_jars $srcJars ` +
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`--javacopts ${config.CommonJdkFlags} ` +
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`$javacFlags -source $javaVersion -target $javaVersion -- $bootClasspath $classpath && ` +
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`${config.Ziptime} $out.tmp && ` +
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`(if cmp -s $out.tmp $out ; then rm $out.tmp ; else mv $out.tmp $out ; fi )`,
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CommandDeps: []string{
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"${config.TurbineJar}",
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"${config.JavaCmd}",
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"${config.Ziptime}",
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},
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Rspfile: "$out.rsp",
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RspfileContent: "$in",
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Restat: true,
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},
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"javacFlags", "bootClasspath", "classpath", "srcJars", "outDir", "javaVersion")
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jar = pctx.AndroidStaticRule("jar",
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blueprint.RuleParams{
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Command: `${config.SoongZipCmd} -jar -o $out @$out.rsp`,
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CommandDeps: []string{"${config.SoongZipCmd}"},
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Rspfile: "$out.rsp",
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RspfileContent: "$jarArgs",
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},
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"jarArgs")
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zip = pctx.AndroidStaticRule("zip",
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blueprint.RuleParams{
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Command: `${config.SoongZipCmd} -o $out @$out.rsp`,
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CommandDeps: []string{"${config.SoongZipCmd}"},
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Rspfile: "$out.rsp",
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RspfileContent: "$jarArgs",
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},
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"jarArgs")
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combineJar = pctx.AndroidStaticRule("combineJar",
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blueprint.RuleParams{
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Command: `${config.MergeZipsCmd} --ignore-duplicates -j $jarArgs $out $in`,
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CommandDeps: []string{"${config.MergeZipsCmd}"},
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},
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"jarArgs")
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jarjar = pctx.AndroidStaticRule("jarjar",
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blueprint.RuleParams{
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Command: "${config.JavaCmd} ${config.JavaVmFlags} -jar ${config.JarjarCmd} process $rulesFile $in $out",
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CommandDeps: []string{"${config.JavaCmd}", "${config.JarjarCmd}", "$rulesFile"},
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},
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"rulesFile")
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packageCheck = pctx.AndroidStaticRule("packageCheck",
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blueprint.RuleParams{
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Command: "rm -f $out && " +
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"${config.PackageCheckCmd} $in $packages && " +
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"touch $out",
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CommandDeps: []string{"${config.PackageCheckCmd}"},
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},
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"packages")
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jetifier = pctx.AndroidStaticRule("jetifier",
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blueprint.RuleParams{
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Command: "${config.JavaCmd} ${config.JavaVmFlags} -jar ${config.JetifierJar} -l error -o $out -i $in",
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CommandDeps: []string{"${config.JavaCmd}", "${config.JetifierJar}"},
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},
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)
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zipalign = pctx.AndroidStaticRule("zipalign",
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blueprint.RuleParams{
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Command: "if ! ${config.ZipAlign} -c -p 4 $in > /dev/null; then " +
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"${config.ZipAlign} -f -p 4 $in $out; " +
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"else " +
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"cp -f $in $out; " +
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"fi",
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CommandDeps: []string{"${config.ZipAlign}"},
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},
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)
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)
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func init() {
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pctx.Import("android/soong/android")
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pctx.Import("android/soong/java/config")
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}
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type javaBuilderFlags struct {
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javacFlags string
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bootClasspath classpath
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classpath classpath
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processorPath classpath
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processor string
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systemModules classpath
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aidlFlags string
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aidlDeps android.Paths
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javaVersion string
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errorProneExtraJavacFlags string
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errorProneProcessorPath classpath
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kotlincFlags string
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kotlincClasspath classpath
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proto android.ProtoFlags
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}
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func TransformJavaToClasses(ctx android.ModuleContext, outputFile android.WritablePath, shardIdx int,
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srcFiles, srcJars android.Paths, flags javaBuilderFlags, deps android.Paths) {
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// Compile java sources into .class files
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desc := "javac"
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if shardIdx >= 0 {
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desc += strconv.Itoa(shardIdx)
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}
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transformJavaToClasses(ctx, outputFile, shardIdx, srcFiles, srcJars, flags, deps, "javac", desc)
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}
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func RunErrorProne(ctx android.ModuleContext, outputFile android.WritablePath,
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srcFiles, srcJars android.Paths, flags javaBuilderFlags) {
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flags.processorPath = append(flags.errorProneProcessorPath, flags.processorPath...)
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if len(flags.errorProneExtraJavacFlags) > 0 {
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if len(flags.javacFlags) > 0 {
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flags.javacFlags += " " + flags.errorProneExtraJavacFlags
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} else {
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flags.javacFlags = flags.errorProneExtraJavacFlags
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}
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}
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transformJavaToClasses(ctx, outputFile, -1, srcFiles, srcJars, flags, nil,
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"errorprone", "errorprone")
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}
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func TransformJavaToHeaderClasses(ctx android.ModuleContext, outputFile android.WritablePath,
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srcFiles, srcJars android.Paths, flags javaBuilderFlags) {
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var deps android.Paths
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deps = append(deps, srcJars...)
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deps = append(deps, flags.bootClasspath...)
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deps = append(deps, flags.classpath...)
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var bootClasspath string
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if len(flags.bootClasspath) == 0 && ctx.Device() {
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// explicitly specify -bootclasspath "" if the bootclasspath is empty to
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// ensure java does not fall back to the default bootclasspath.
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bootClasspath = `--bootclasspath ""`
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} else {
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bootClasspath = strings.Join(flags.bootClasspath.FormTurbineClasspath("--bootclasspath "), " ")
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: turbine,
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Description: "turbine",
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Output: outputFile,
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Inputs: srcFiles,
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Implicits: deps,
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Args: map[string]string{
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"javacFlags": flags.javacFlags,
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"bootClasspath": bootClasspath,
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"srcJars": strings.Join(srcJars.Strings(), " "),
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"classpath": strings.Join(flags.classpath.FormTurbineClasspath("--classpath "), " "),
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"outDir": android.PathForModuleOut(ctx, "turbine", "classes").String(),
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"javaVersion": flags.javaVersion,
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},
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})
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}
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// transformJavaToClasses takes source files and converts them to a jar containing .class files.
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// srcFiles is a list of paths to sources, srcJars is a list of paths to jar files that contain
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// sources. flags contains various command line flags to be passed to the compiler.
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//
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// This method may be used for different compilers, including javac and Error Prone. The rule
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// argument specifies which command line to use and desc sets the description of the rule that will
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// be printed at build time. The stem argument provides the file name of the output jar, and
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// suffix will be appended to various intermediate files and directories to avoid collisions when
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// this function is called twice in the same module directory.
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func transformJavaToClasses(ctx android.ModuleContext, outputFile android.WritablePath,
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shardIdx int, srcFiles, srcJars android.Paths,
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flags javaBuilderFlags, deps android.Paths,
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intermediatesDir, desc string) {
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deps = append(deps, srcJars...)
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var bootClasspath string
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if flags.javaVersion == "1.9" {
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deps = append(deps, flags.systemModules...)
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bootClasspath = flags.systemModules.FormJavaSystemModulesPath("--system=", ctx.Device())
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} else {
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deps = append(deps, flags.bootClasspath...)
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if len(flags.bootClasspath) == 0 && ctx.Device() {
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// explicitly specify -bootclasspath "" if the bootclasspath is empty to
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// ensure java does not fall back to the default bootclasspath.
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bootClasspath = `-bootclasspath ""`
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} else {
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bootClasspath = flags.bootClasspath.FormJavaClassPath("-bootclasspath")
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}
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}
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deps = append(deps, flags.classpath...)
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deps = append(deps, flags.processorPath...)
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processor := "-proc:none"
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if flags.processor != "" {
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processor = "-processor " + flags.processor
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}
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srcJarDir := "srcjars"
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outDir := "classes"
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annoDir := "anno"
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if shardIdx >= 0 {
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shardDir := "shard" + strconv.Itoa(shardIdx)
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srcJarDir = filepath.Join(shardDir, srcJarDir)
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outDir = filepath.Join(shardDir, outDir)
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annoDir = filepath.Join(shardDir, annoDir)
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: javac,
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Description: desc,
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Output: outputFile,
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Inputs: srcFiles,
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Implicits: deps,
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Args: map[string]string{
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"javacFlags": flags.javacFlags,
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"bootClasspath": bootClasspath,
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"classpath": flags.classpath.FormJavaClassPath("-classpath"),
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"processorpath": flags.processorPath.FormJavaClassPath("-processorpath"),
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"processor": processor,
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"srcJars": strings.Join(srcJars.Strings(), " "),
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"srcJarDir": android.PathForModuleOut(ctx, intermediatesDir, srcJarDir).String(),
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"outDir": android.PathForModuleOut(ctx, intermediatesDir, outDir).String(),
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"annoDir": android.PathForModuleOut(ctx, intermediatesDir, annoDir).String(),
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"javaVersion": flags.javaVersion,
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},
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})
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}
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func TransformResourcesToJar(ctx android.ModuleContext, outputFile android.WritablePath,
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jarArgs []string, deps android.Paths) {
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ctx.Build(pctx, android.BuildParams{
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Rule: jar,
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Description: "jar",
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Output: outputFile,
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Implicits: deps,
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Args: map[string]string{
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"jarArgs": strings.Join(proptools.NinjaAndShellEscapeList(jarArgs), " "),
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},
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})
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}
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func TransformJarsToJar(ctx android.ModuleContext, outputFile android.WritablePath, desc string,
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jars android.Paths, manifest android.OptionalPath, stripDirEntries bool, filesToStrip []string,
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dirsToStrip []string) {
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var deps android.Paths
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var jarArgs []string
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if manifest.Valid() {
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jarArgs = append(jarArgs, "-m ", manifest.String())
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deps = append(deps, manifest.Path())
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}
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for _, dir := range dirsToStrip {
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jarArgs = append(jarArgs, "-stripDir ", dir)
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}
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for _, file := range filesToStrip {
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jarArgs = append(jarArgs, "-stripFile ", file)
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}
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// Remove any module-info.class files that may have come from prebuilt jars, they cause problems
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// for downstream tools like desugar.
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jarArgs = append(jarArgs, "-stripFile module-info.class")
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if stripDirEntries {
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jarArgs = append(jarArgs, "-D")
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: combineJar,
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Description: desc,
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Output: outputFile,
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Inputs: jars,
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Implicits: deps,
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Args: map[string]string{
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"jarArgs": strings.Join(jarArgs, " "),
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},
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})
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}
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func TransformJarJar(ctx android.ModuleContext, outputFile android.WritablePath,
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classesJar android.Path, rulesFile android.Path) {
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ctx.Build(pctx, android.BuildParams{
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Rule: jarjar,
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Description: "jarjar",
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Output: outputFile,
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Input: classesJar,
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Implicit: rulesFile,
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Args: map[string]string{
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"rulesFile": rulesFile.String(),
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},
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})
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}
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func CheckJarPackages(ctx android.ModuleContext, outputFile android.WritablePath,
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classesJar android.Path, permittedPackages []string) {
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ctx.Build(pctx, android.BuildParams{
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Rule: packageCheck,
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Description: "packageCheck",
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Output: outputFile,
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Input: classesJar,
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Args: map[string]string{
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"packages": strings.Join(permittedPackages, " "),
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},
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})
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}
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func TransformJetifier(ctx android.ModuleContext, outputFile android.WritablePath,
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inputFile android.Path) {
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ctx.Build(pctx, android.BuildParams{
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Rule: jetifier,
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Description: "jetifier",
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Output: outputFile,
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Input: inputFile,
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})
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}
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func GenerateMainClassManifest(ctx android.ModuleContext, outputFile android.WritablePath, mainClass string) {
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ctx.Build(pctx, android.BuildParams{
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Rule: android.WriteFile,
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Description: "manifest",
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Output: outputFile,
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Args: map[string]string{
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"content": "Main-Class: " + mainClass + "\n",
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},
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})
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}
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func TransformZipAlign(ctx android.ModuleContext, outputFile android.WritablePath, inputFile android.Path) {
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ctx.Build(pctx, android.BuildParams{
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Rule: zipalign,
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Description: "align",
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Input: inputFile,
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Output: outputFile,
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})
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}
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type classpath []android.Path
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func (x *classpath) FormJavaClassPath(optName string) string {
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if optName != "" && !strings.HasSuffix(optName, "=") && !strings.HasSuffix(optName, " ") {
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optName += " "
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}
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if len(*x) > 0 {
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return optName + strings.Join(x.Strings(), ":")
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} else {
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return ""
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}
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}
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// Returns a --system argument in the form javac expects with -source 1.9. If forceEmpty is true,
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// returns --system=none if the list is empty to ensure javac does not fall back to the default
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// system modules.
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func (x *classpath) FormJavaSystemModulesPath(optName string, forceEmpty bool) string {
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if len(*x) > 1 {
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panic("more than one system module")
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} else if len(*x) == 1 {
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return optName + strings.TrimSuffix((*x)[0].String(), "lib/modules")
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} else if forceEmpty {
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return optName + "none"
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} else {
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return ""
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}
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}
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func (x *classpath) FormTurbineClasspath(optName string) []string {
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if x == nil || *x == nil {
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return nil
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}
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flags := make([]string, len(*x))
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for i, v := range *x {
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flags[i] = optName + v.String()
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}
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return flags
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}
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// Convert a classpath to an android.Paths
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func (x *classpath) Paths() android.Paths {
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return append(android.Paths(nil), (*x)...)
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}
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func (x *classpath) Strings() []string {
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if x == nil {
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return nil
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}
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ret := make([]string, len(*x))
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for i, path := range *x {
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ret[i] = path.String()
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}
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return ret
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}
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