133 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			133 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
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|  * Copyright (C) 2022 The Android Open Source Project
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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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|  */
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| 
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| /** A commandline tool to generate a primary boot image for testing. */
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| 
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| #include <sys/stat.h>
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| #include <sysexits.h>
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| 
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| #include <algorithm>
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| #include <cstdlib>
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| #include <string>
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| #include <vector>
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| 
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| #include "android-base/stringprintf.h"
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| #include "android-base/strings.h"
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| #include "arch/instruction_set.h"
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| #include "base/file_utils.h"
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| #include "base/globals.h"
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| #include "base/os.h"
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| #include "base/testing.h"
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| 
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| namespace art {
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| 
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| namespace {
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| 
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| using ::android::base::Join;
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| using ::android::base::StringPrintf;
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| using ::art::testing::GetLibCoreDexFileNames;
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| 
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| std::string GetCompilerExecutable() {
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|   std::string compiler_executable = GetArtBinDir() + "/dex2oat";
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|   if (kIsDebugBuild) {
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|     compiler_executable += 'd';
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|   }
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|   compiler_executable += Is64BitInstructionSet(kRuntimeISA) ? "64" : "32";
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|   return compiler_executable;
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| }
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| 
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| // Joins a list of commandline args into a single string, where each part is quoted with double
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| // quotes. Note that this is a naive implementation that does NOT escape existing double quotes,
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| // which is fine since we don't have existing double quotes in the args in this particular use case
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| // and this code is never used in production.
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| std::string BuildCommand(const std::vector<std::string>& args) {
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|   std::string command = "";
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|   for (const std::string& arg : args) {
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|     if (!command.empty()) {
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|       command += " ";
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|     }
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|     command += '"' + arg + '"';
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|   }
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|   return command;
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| }
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| 
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| int GenerateBootImage(const std::string& dir, const std::string& compiler_filter) {
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|   std::string isa = GetInstructionSetString(kRuntimeISA);
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| 
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|   std::vector<std::string> args;
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|   args.push_back(GetCompilerExecutable());
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| 
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|   std::vector<std::string> dex_files = GetLibCoreDexFileNames(/*core_only=*/true);
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|   args.push_back("--runtime-arg");
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|   args.push_back("-Xbootclasspath:" + Join(dex_files, ":"));
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|   for (const std::string& file : dex_files) {
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|     args.push_back("--dex-file=" + file);
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|   }
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| 
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|   args.push_back("--instruction-set=" + isa);
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|   args.push_back(StringPrintf("--base=0x%08x", ART_BASE_ADDRESS));
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|   args.push_back("--compiler-filter=" + compiler_filter);
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|   args.push_back(StringPrintf("--profile-file=%s/etc/boot-image.prof", GetArtRoot().c_str()));
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|   args.push_back("--avoid-storing-invocation");
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|   args.push_back("--generate-debug-info");
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|   args.push_back("--generate-build-id");
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|   args.push_back("--image-format=lz4hc");
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|   args.push_back("--strip");
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|   args.push_back("--android-root=out/empty");
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| 
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|   std::string path = StringPrintf("%s/%s", dir.c_str(), isa.c_str());
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|   if (!OS::DirectoryExists(path.c_str())) {
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|     CHECK_EQ(mkdir(path.c_str(), S_IRWXU), 0);
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|   }
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|   args.push_back(StringPrintf("--image=%s/boot.art", path.c_str()));
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|   args.push_back(StringPrintf("--oat-file=%s/boot.oat", path.c_str()));
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| 
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|   int exit_code = system(BuildCommand(args).c_str());
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|   if (exit_code != 0) {
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|     LOG(ERROR) << "dex2oat invocation failed. Exit code: " << exit_code;
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|   }
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|   return exit_code;
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| }
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| 
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| }  // namespace
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| }  // namespace art
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| 
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| int main(int argc, char** argv) {
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|   android::base::InitLogging(argv, android::base::LogdLogger(android::base::SYSTEM));
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| 
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|   std::string dir = "";
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|   // Set the compiler filter to `verify` by default to make test preparation faster.
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|   std::string compiler_filter = "verify";
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|   for (int i = 1; i < argc; i++) {
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|     std::string_view arg{argv[i]};
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|     if (android::base::ConsumePrefix(&arg, "--output-dir=")) {
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|       dir = arg;
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|     } else if (android::base::ConsumePrefix(&arg, "--compiler-filter=")) {
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|       compiler_filter = arg;
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|     } else {
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|       LOG(ERROR) << android::base::StringPrintf("Unrecognized argument: '%s'", argv[i]);
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|       exit(EX_USAGE);
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|     }
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|   }
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| 
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|   if (dir.empty()) {
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|     LOG(ERROR) << "--output-dir must be specified";
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|     exit(EX_USAGE);
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|   }
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| 
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|   return art::GenerateBootImage(dir, compiler_filter);
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| }
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