a5e0f710c2
"dlv attach": - Spams the terminal - Requires sysctl -w kernel.yama.ptrace_scope=0 - Apparently, does not allow the debugger to inspect variables Test: Manual. Change-Id: I625369effaf5abda2b5d884c8ce5bde7247774eb
106 lines
3.1 KiB
Go
106 lines
3.1 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 main
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import (
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"flag"
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"fmt"
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"os"
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"path/filepath"
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"github.com/google/blueprint/bootstrap"
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"android/soong/android"
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)
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var (
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docFile string
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)
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func init() {
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flag.StringVar(&docFile, "soong_docs", "", "build documentation file to output")
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}
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func newNameResolver(config android.Config) *android.NameResolver {
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namespacePathsToExport := make(map[string]bool)
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for _, namespaceName := range config.ExportedNamespaces() {
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namespacePathsToExport[namespaceName] = true
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}
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namespacePathsToExport["."] = true // always export the root namespace
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exportFilter := func(namespace *android.Namespace) bool {
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return namespacePathsToExport[namespace.Path]
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}
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return android.NewNameResolver(exportFilter)
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}
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func main() {
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android.ReexecWithDelveMaybe()
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flag.Parse()
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// The top-level Blueprints file is passed as the first argument.
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srcDir := filepath.Dir(flag.Arg(0))
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ctx := android.NewContext()
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ctx.Register()
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configuration, err := android.NewConfig(srcDir, bootstrap.BuildDir)
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s", err)
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os.Exit(1)
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}
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if docFile != "" {
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configuration.SetStopBefore(bootstrap.StopBeforePrepareBuildActions)
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}
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ctx.SetNameInterface(newNameResolver(configuration))
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ctx.SetAllowMissingDependencies(configuration.AllowMissingDependencies())
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extraNinjaDeps := []string{configuration.ConfigFileName, configuration.ProductVariablesFileName}
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// Read the SOONG_DELVE again through configuration so that there is a dependency on the environment variable
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// and soong_build will rerun when it is set for the first time.
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if listen := configuration.Getenv("SOONG_DELVE"); listen != "" {
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// Add a non-existent file to the dependencies so that soong_build will rerun when the debugger is
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// enabled even if it completed successfully.
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extraNinjaDeps = append(extraNinjaDeps, filepath.Join(configuration.BuildDir(), "always_rerun_for_delve"))
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}
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bootstrap.Main(ctx.Context, configuration, extraNinjaDeps...)
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if docFile != "" {
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if err := writeDocs(ctx, docFile); err != nil {
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fmt.Fprintf(os.Stderr, "%s", err)
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os.Exit(1)
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}
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}
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// TODO(ccross): make this a command line argument. Requires plumbing through blueprint
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// to affect the command line of the primary builder.
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if docFile == "" {
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metricsFile := filepath.Join(bootstrap.BuildDir, "soong_build_metrics.pb")
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err = android.WriteMetrics(configuration, metricsFile)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error writing soong_build metrics %s: %s", metricsFile, err)
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os.Exit(1)
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}
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}
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}
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