feat: add pprof

plugin/debug/pkg/internal/binutils/testdata/build_binaries.go

@@ -0,0 +1,94 @@
+// Copyright 2019 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// This is a script that generates the test executables for MacOS and Linux
+// in this directory. It should be needed very rarely to run this script.
+// It is mostly provided as a future reference on how the original binary
+// set was created.
+
+// When a new executable is generated, hardcoded addresses in the
+// functions TestObjFile, TestMachoFiles, TestPEFile in binutils_test.go must be updated.
+package main
+
+import (
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+)
+
+func main() {
+	wd, err := os.Getwd()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	switch runtime.GOOS {
+	case "linux":
+		if err := removeGlob("exe_linux_64*"); err != nil {
+			log.Fatal(err)
+		}
+
+		out, err := exec.Command("cc", "-g", "-ffile-prefix-map="+wd+"="+"/tmp", "-o", "exe_linux_64", "hello.c").CombinedOutput()
+		log.Println(string(out))
+		if err != nil {
+			log.Fatal(err)
+		}
+
+	case "darwin":
+		if err := removeGlob("exe_mac_64*", "lib_mac_64"); err != nil {
+			log.Fatal(err)
+		}
+
+		out, err := exec.Command("clang", "-g", "-ffile-prefix-map="+wd+"="+"/tmp", "-o", "exe_mac_64", "hello.c").CombinedOutput()
+		log.Println(string(out))
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		out, err = exec.Command("clang", "-g", "-ffile-prefix-map="+wd+"="+"/tmp", "-o", "lib_mac_64", "-dynamiclib", "lib.c").CombinedOutput()
+		log.Println(string(out))
+		if err != nil {
+			log.Fatal(err)
+		}
+
+	case "windows":
+		// Many gcc environments may create binaries that trigger false-positives
+		// in antiviruses. MSYS2 with gcc 10.2.0 is a working environment for
+		// compiling. To setup the environment follow the guide at
+		// https://www.msys2.org/ and install gcc with `pacman -S gcc`.
+		out, err := exec.Command("gcc", "-g", "-ffile-prefix-map="+wd+"=", "-o", "exe_windows_64.exe", "hello.c").CombinedOutput()
+		log.Println(string(out))
+		if err != nil {
+			log.Fatal(err)
+		}
+		log.Println("Please verify that exe_windows_64.exe does not trigger any antivirus on `virustotal.com`.")
+	default:
+		log.Fatalf("Unsupported OS %q", runtime.GOOS)
+	}
+}
+
+func removeGlob(globs ...string) error {
+	for _, glob := range globs {
+		matches, err := filepath.Glob(glob)
+		if err != nil {
+			return err
+		}
+		for _, p := range matches {
+			os.Remove(p)
+		}
+	}
+	return nil
+}

plugin/debug/pkg/internal/binutils/testdata/exe_mac_64.dSYM/Contents/Info.plist

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>English</string>
+    <key>CFBundleIdentifier</key>
+    <string>com.apple.xcode.dsym.exe_mac_64</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundlePackageType</key>
+    <string>dSYM</string>
+    <key>CFBundleSignature</key>
+    <string>????</string>
+    <key>CFBundleShortVersionString</key>
+    <string>1.0</string>
+    <key>CFBundleVersion</key>
+    <string>1</string>
+  </dict>
+</plist>

plugin/debug/pkg/internal/binutils/testdata/fake-llvm-symbolizer

@@ -0,0 +1,39 @@
+#!/bin/sh
+#
+# Copyright 2014 Google Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Fake llvm-symbolizer to use in tests
+
+set -f
+IFS=" "
+
+while read line; do
+  # line has form:
+  #    filename 0xaddr
+  # Emit dummy output that matches llvm-symbolizer JSON output format.
+  set -- ${line}
+  kind=$1
+  fname=$2
+  addr=$3
+  case ${kind} in
+  CODE)
+    echo "{\"Address\":\"${addr}\",\"ModuleName\":\"${fname}\",\"Symbol\":[{\"Column\":0,\"FileName\":\"${fname}.h\",\"FunctionName\":\"Inlined_${addr}\",\"Line\":0,\"StartLine\":0},{\"Column\":1,\"FileName\":\"${fname}.c\",\"FunctionName\":\"Func_${addr}\",\"Line\":2,\"StartLine\":2}]}"
+    ;;
+  DATA)
+    echo "{\"Address\":\"${addr}\",\"ModuleName\":\"${fname}\",\"Data\":{\"Name\":\"${fname}_${addr}\",\"Size\":\"0x8\",\"Start\":\"${addr}\"}}"
+    ;;
+  *) exit 1;;
+  esac
+done

plugin/debug/pkg/internal/binutils/testdata/hello.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main() {
+  printf("Hello, world!\n");
+  return 0;
+}

plugin/debug/pkg/internal/binutils/testdata/lib.c

@@ -0,0 +1,7 @@
+int foo() {
+  return 1;
+}
+
+int bar() {
+  return 2;
+}

plugin/debug/pkg/internal/binutils/testdata/lib_mac_64.dSYM/Contents/Info.plist

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>English</string>
+    <key>CFBundleIdentifier</key>
+    <string>com.apple.xcode.dsym.lib_mac_64</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundlePackageType</key>
+    <string>dSYM</string>
+    <key>CFBundleSignature</key>
+    <string>????</string>
+    <key>CFBundleShortVersionString</key>
+    <string>1.0</string>
+    <key>CFBundleVersion</key>
+    <string>1</string>
+  </dict>
+</plist>

plugin/debug/pkg/internal/binutils/testdata/malformed_elf

@@ -0,0 +1 @@
+ELF<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

plugin/debug/pkg/internal/binutils/testdata/malformed_macho

@@ -0,0 +1 @@
+<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>