blob: 779128f9241db56436218f637c56e8e299b0102f [file] [log] [blame]
Brian Carlstrom7940e442013-07-12 13:46:57 -07001/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Andreas Gamped687e372015-04-28 23:16:03 -070017#include <inttypes.h>
Brian Carlstrom7940e442013-07-12 13:46:57 -070018#include <stdio.h>
19#include <stdlib.h>
20#include <sys/stat.h>
Evgenii Stepanov1e133742015-05-20 12:30:59 -070021#include "base/memory_tool.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070022
Andreas Gampe097f34c2017-08-23 08:57:51 -070023#include <forward_list>
Brian Carlstrom7940e442013-07-12 13:46:57 -070024#include <fstream>
25#include <iostream>
Andreas Gampe67f02822016-06-24 21:05:23 -070026#include <limits>
Brian Carlstrom7940e442013-07-12 13:46:57 -070027#include <sstream>
28#include <string>
Andreas Gampe097f34c2017-08-23 08:57:51 -070029#include <type_traits>
Brian Carlstrom7940e442013-07-12 13:46:57 -070030#include <vector>
31
Vladimir Markof94b7812014-06-05 15:48:04 +010032#if defined(__linux__) && defined(__arm__)
33#include <sys/personality.h>
34#include <sys/utsname.h>
35#endif
36
Andreas Gampe46ee31b2016-12-14 10:11:49 -080037#include "android-base/stringprintf.h"
Andreas Gampe9186ced2016-12-12 14:28:21 -080038#include "android-base/strings.h"
39
Ian Rogersd582fa42014-11-05 23:46:43 -080040#include "arch/instruction_set_features.h"
Andreas Gampec5a3ea72015-01-13 16:41:53 -080041#include "arch/mips/instruction_set_features_mips.h"
David Srbecky4fda4eb2016-02-05 13:34:46 +000042#include "art_method-inl.h"
Andreas Gampe8228cdf2017-05-30 15:03:54 -070043#include "base/callee_save_type.h"
Ian Rogersc7dd2952014-10-21 23:31:19 -070044#include "base/dumpable.h"
David Sehr891a50e2017-10-27 17:01:07 -070045#include "base/file_utils.h"
David Sehr67bf42e2018-02-26 16:43:04 -080046#include "base/leb128.h"
Andreas Gampe794ad762015-02-23 08:12:24 -080047#include "base/macros.h"
David Sehrc431b9d2018-03-02 12:01:51 -080048#include "base/mutex.h"
49#include "base/os.h"
Calin Juravle2e2db782016-02-23 12:00:03 +000050#include "base/scoped_flock.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070051#include "base/stl_util.h"
52#include "base/stringpiece.h"
Vladimir Marko80afd022015-05-19 18:08:00 +010053#include "base/time_utils.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070054#include "base/timing_logger.h"
55#include "base/unix_file/fd_file.h"
David Sehrc431b9d2018-03-02 12:01:51 -080056#include "base/utils.h"
David Sehr79e26072018-04-06 17:58:50 -070057#include "base/zip_archive.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070058#include "class_linker.h"
Calin Juravle1ce70852017-06-28 10:59:03 -070059#include "class_loader_context.h"
Andreas Gampe097f34c2017-08-23 08:57:51 -070060#include "cmdline_parser.h"
Nicolas Geoffrayb34f69a2014-03-07 15:28:39 +000061#include "compiler.h"
Vladimir Marko2b5eaa22013-12-13 13:59:30 +000062#include "compiler_callbacks.h"
David Srbecky09c2a6b2016-03-11 17:11:44 +000063#include "debug/elf_debug_writer.h"
David Srbecky4fda4eb2016-02-05 13:34:46 +000064#include "debug/method_debug_info.h"
Mathieu Chartier2c4b0842017-12-13 11:49:51 -080065#include "dexlayout.h"
David Sehrb2ec9f52018-02-21 13:20:31 -080066#include "dex/descriptors_names.h"
David Sehr9e734c72018-01-04 17:56:19 -080067#include "dex/dex_file-inl.h"
David Srbecky4fda4eb2016-02-05 13:34:46 +000068#include "dex/quick_compiler_callbacks.h"
69#include "dex/verification_results.h"
Andreas Gampe097f34c2017-08-23 08:57:51 -070070#include "dex2oat_options.h"
Andreas Gampe7b565912017-03-20 15:48:52 -070071#include "dex2oat_return_codes.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070072#include "driver/compiler_driver.h"
Brian Carlstrom6449c622014-02-10 23:48:36 -080073#include "driver/compiler_options.h"
Andreas Gampe097f34c2017-08-23 08:57:51 -070074#include "driver/compiler_options_map-inl.h"
Andreas Gampe88ec7f42014-11-05 10:18:32 -080075#include "elf_file.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070076#include "gc/space/image_space.h"
77#include "gc/space/space-inl.h"
Mathieu Chartier72041a02017-07-14 18:23:25 -070078#include "gc/verification.h"
Andreas Gampe2969bcd2015-03-09 12:57:41 -070079#include "interpreter/unstarted_runtime.h"
Vladimir Markoa3ad0cd2018-05-04 10:06:38 +010080#include "jni/java_vm_ext.h"
David Brazdil5d5a36b2016-09-14 15:34:10 +010081#include "linker/buffered_output_stream.h"
Vladimir Marko74527972016-11-29 15:57:32 +000082#include "linker/elf_writer.h"
83#include "linker/elf_writer_quick.h"
David Brazdil5d5a36b2016-09-14 15:34:10 +010084#include "linker/file_output_stream.h"
Vladimir Marko74527972016-11-29 15:57:32 +000085#include "linker/image_writer.h"
Vladimir Marko944da602016-02-19 12:27:55 +000086#include "linker/multi_oat_relative_patcher.h"
Vladimir Marko74527972016-11-29 15:57:32 +000087#include "linker/oat_writer.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070088#include "mirror/class-inl.h"
89#include "mirror/class_loader.h"
90#include "mirror/object-inl.h"
91#include "mirror/object_array-inl.h"
Andreas Gampe2ff3b972017-06-05 18:14:53 -070092#include "oat_file.h"
Jeff Haob11ffb72016-04-07 15:40:54 -070093#include "oat_file_assistant.h"
David Sehr82d046e2018-04-23 08:14:19 -070094#include "profile/profile_compilation_info.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070095#include "runtime.h"
Vladimir Marko49b0f452015-12-10 13:49:19 +000096#include "runtime_options.h"
Mathieu Chartier0795f232016-09-27 18:43:30 -070097#include "scoped_thread_state_change-inl.h"
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +000098#include "vdex_file.h"
David Brazdilca3c8c32016-09-06 14:04:48 +010099#include "verifier/verifier_deps.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -0700100#include "well_known_classes.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -0700101
102namespace art {
103
Andreas Gampe46ee31b2016-12-14 10:11:49 -0800104using android::base::StringAppendV;
105using android::base::StringPrintf;
106
Andreas Gampee1459ae2016-06-29 09:36:30 -0700107static constexpr size_t kDefaultMinDexFilesForSwap = 2;
108static constexpr size_t kDefaultMinDexFileCumulativeSizeForSwap = 20 * MB;
109
Mathieu Chartier010126f2017-07-15 15:44:18 -0700110// Compiler filter override for very large apps.
111static constexpr CompilerFilter::Filter kLargeAppFilter = CompilerFilter::kVerify;
112
Brian Carlstrom6449c622014-02-10 23:48:36 -0800113static int original_argc;
114static char** original_argv;
115
116static std::string CommandLine() {
117 std::vector<std::string> command;
118 for (int i = 0; i < original_argc; ++i) {
119 command.push_back(original_argv[i]);
120 }
Andreas Gampe9186ced2016-12-12 14:28:21 -0800121 return android::base::Join(command, ' ');
Brian Carlstrom6449c622014-02-10 23:48:36 -0800122}
123
Andreas Gampe046c7062015-05-18 23:22:54 -0700124// A stripped version. Remove some less essential parameters. If we see a "--zip-fd=" parameter, be
125// even more aggressive. There won't be much reasonable data here for us in that case anyways (the
126// locations are all staged).
127static std::string StrippedCommandLine() {
128 std::vector<std::string> command;
129
Calin Juravle07c6d722017-06-07 17:06:12 +0000130 // Do a pre-pass to look for zip-fd and the compiler filter.
Andreas Gampe046c7062015-05-18 23:22:54 -0700131 bool saw_zip_fd = false;
Calin Juravle07c6d722017-06-07 17:06:12 +0000132 bool saw_compiler_filter = false;
Andreas Gampe046c7062015-05-18 23:22:54 -0700133 for (int i = 0; i < original_argc; ++i) {
Andreas Gampe9186ced2016-12-12 14:28:21 -0800134 if (android::base::StartsWith(original_argv[i], "--zip-fd=")) {
Andreas Gampe046c7062015-05-18 23:22:54 -0700135 saw_zip_fd = true;
Andreas Gampe046c7062015-05-18 23:22:54 -0700136 }
Calin Juravle07c6d722017-06-07 17:06:12 +0000137 if (android::base::StartsWith(original_argv[i], "--compiler-filter=")) {
138 saw_compiler_filter = true;
Calin Juravle07c6d722017-06-07 17:06:12 +0000139 }
Andreas Gampe046c7062015-05-18 23:22:54 -0700140 }
141
142 // Now filter out things.
143 for (int i = 0; i < original_argc; ++i) {
144 // All runtime-arg parameters are dropped.
145 if (strcmp(original_argv[i], "--runtime-arg") == 0) {
146 i++; // Drop the next part, too.
147 continue;
148 }
149
150 // Any instruction-setXXX is dropped.
Andreas Gampe9186ced2016-12-12 14:28:21 -0800151 if (android::base::StartsWith(original_argv[i], "--instruction-set")) {
Andreas Gampe046c7062015-05-18 23:22:54 -0700152 continue;
153 }
154
155 // The boot image is dropped.
Andreas Gampe9186ced2016-12-12 14:28:21 -0800156 if (android::base::StartsWith(original_argv[i], "--boot-image=")) {
Andreas Gampe046c7062015-05-18 23:22:54 -0700157 continue;
158 }
159
Mathieu Chartier97590cc2016-02-03 15:50:29 -0800160 // The image format is dropped.
Andreas Gampe9186ced2016-12-12 14:28:21 -0800161 if (android::base::StartsWith(original_argv[i], "--image-format=")) {
Mathieu Chartier97590cc2016-02-03 15:50:29 -0800162 continue;
163 }
164
Andreas Gampe046c7062015-05-18 23:22:54 -0700165 // This should leave any dex-file and oat-file options, describing what we compiled.
166
167 // However, we prefer to drop this when we saw --zip-fd.
168 if (saw_zip_fd) {
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700169 // Drop anything --zip-X, --dex-X, --oat-X, --swap-X, or --app-image-X
Andreas Gampe9186ced2016-12-12 14:28:21 -0800170 if (android::base::StartsWith(original_argv[i], "--zip-") ||
171 android::base::StartsWith(original_argv[i], "--dex-") ||
172 android::base::StartsWith(original_argv[i], "--oat-") ||
173 android::base::StartsWith(original_argv[i], "--swap-") ||
174 android::base::StartsWith(original_argv[i], "--app-image-")) {
Andreas Gampe046c7062015-05-18 23:22:54 -0700175 continue;
176 }
177 }
178
179 command.push_back(original_argv[i]);
180 }
181
Calin Juravle07c6d722017-06-07 17:06:12 +0000182 if (!saw_compiler_filter) {
183 command.push_back("--compiler-filter=" +
184 CompilerFilter::NameOfFilter(CompilerFilter::kDefaultCompilerFilter));
185 }
186
Andreas Gampe046c7062015-05-18 23:22:54 -0700187 // Construct the final output.
188 if (command.size() <= 1U) {
189 // It seems only "/system/bin/dex2oat" is left, or not even that. Use a pretty line.
190 return "Starting dex2oat.";
191 }
Andreas Gampe9186ced2016-12-12 14:28:21 -0800192 return android::base::Join(command, ' ');
Andreas Gampe046c7062015-05-18 23:22:54 -0700193}
194
Brian Carlstrom7940e442013-07-12 13:46:57 -0700195static void UsageErrorV(const char* fmt, va_list ap) {
196 std::string error;
197 StringAppendV(&error, fmt, ap);
198 LOG(ERROR) << error;
199}
200
201static void UsageError(const char* fmt, ...) {
202 va_list ap;
203 va_start(ap, fmt);
204 UsageErrorV(fmt, ap);
205 va_end(ap);
206}
207
Andreas Gampe794ad762015-02-23 08:12:24 -0800208NO_RETURN static void Usage(const char* fmt, ...) {
Brian Carlstrom7940e442013-07-12 13:46:57 -0700209 va_list ap;
210 va_start(ap, fmt);
211 UsageErrorV(fmt, ap);
212 va_end(ap);
213
Brian Carlstrom6449c622014-02-10 23:48:36 -0800214 UsageError("Command: %s", CommandLine().c_str());
215
Brian Carlstrom7940e442013-07-12 13:46:57 -0700216 UsageError("Usage: dex2oat [options]...");
217 UsageError("");
Jean-Philippe Halimi3d329d72015-03-23 14:09:48 +0100218 UsageError(" -j<number>: specifies the number of threads used for compilation.");
219 UsageError(" Default is the number of detected hardware threads available on the");
220 UsageError(" host system.");
221 UsageError(" Example: -j12");
222 UsageError("");
Richard Uhlere934df22015-03-17 11:26:16 -0700223 UsageError(" --dex-file=<dex-file>: specifies a .dex, .jar, or .apk file to compile.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700224 UsageError(" Example: --dex-file=/system/framework/core.jar");
225 UsageError("");
Richard Uhlere934df22015-03-17 11:26:16 -0700226 UsageError(" --dex-location=<dex-location>: specifies an alternative dex location to");
227 UsageError(" encode in the oat file for the corresponding --dex-file argument.");
228 UsageError(" Example: --dex-file=/home/build/out/system/framework/core.jar");
229 UsageError(" --dex-location=/system/framework/core.jar");
230 UsageError("");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700231 UsageError(" --zip-fd=<file-descriptor>: specifies a file descriptor of a zip file");
232 UsageError(" containing a classes.dex file to compile.");
233 UsageError(" Example: --zip-fd=5");
234 UsageError("");
Brian Carlstrom45602482013-07-21 22:07:55 -0700235 UsageError(" --zip-location=<zip-location>: specifies a symbolic name for the file");
236 UsageError(" corresponding to the file descriptor specified by --zip-fd.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700237 UsageError(" Example: --zip-location=/system/app/Calculator.apk");
238 UsageError("");
Jeff Haodcdc85b2015-12-04 14:06:18 -0800239 UsageError(" --oat-file=<file.oat>: specifies an oat output destination via a filename.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700240 UsageError(" Example: --oat-file=/system/framework/boot.oat");
241 UsageError("");
242 UsageError(" --oat-fd=<number>: specifies the oat output destination via a file descriptor.");
Wonil Kim9cb554a2014-04-28 11:26:55 +0900243 UsageError(" Example: --oat-fd=6");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700244 UsageError("");
Shubham Ajmera66205322017-10-06 11:18:51 -0700245 UsageError(" --input-vdex-fd=<number>: specifies the vdex input source via a file descriptor.");
246 UsageError(" Example: --input-vdex-fd=6");
247 UsageError("");
248 UsageError(" --output-vdex-fd=<number>: specifies the vdex output destination via a file");
249 UsageError(" descriptor.");
250 UsageError(" Example: --output-vdex-fd=6");
251 UsageError("");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700252 UsageError(" --oat-location=<oat-name>: specifies a symbolic name for the file corresponding");
253 UsageError(" to the file descriptor specified by --oat-fd.");
254 UsageError(" Example: --oat-location=/data/dalvik-cache/system@app@Calculator.apk.oat");
255 UsageError("");
Jeff Haodcdc85b2015-12-04 14:06:18 -0800256 UsageError(" --oat-symbols=<file.oat>: specifies an oat output destination with full symbols.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700257 UsageError(" Example: --oat-symbols=/symbols/system/framework/boot.oat");
258 UsageError("");
Jeff Haodcdc85b2015-12-04 14:06:18 -0800259 UsageError(" --image=<file.art>: specifies an output image filename.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700260 UsageError(" Example: --image=/system/framework/boot.art");
261 UsageError("");
Mathieu Chartiera6e81ed2016-02-25 13:52:10 -0800262 UsageError(" --image-format=(uncompressed|lz4|lz4hc):");
Mathieu Chartierceb07b32015-12-10 09:33:21 -0800263 UsageError(" Which format to store the image.");
264 UsageError(" Example: --image-format=lz4");
265 UsageError(" Default: uncompressed");
266 UsageError("");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700267 UsageError(" --image-classes=<classname-file>: specifies classes to include in an image.");
268 UsageError(" Example: --image=frameworks/base/preloaded-classes");
269 UsageError("");
270 UsageError(" --base=<hex-address>: specifies the base address when creating a boot image.");
271 UsageError(" Example: --base=0x50000000");
272 UsageError("");
273 UsageError(" --boot-image=<file.art>: provide the image file for the boot class path.");
Kevin Brodsky64fff412015-11-24 14:24:34 +0000274 UsageError(" Do not include the arch as part of the name, it is added automatically.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700275 UsageError(" Example: --boot-image=/system/framework/boot.art");
Kevin Brodsky64fff412015-11-24 14:24:34 +0000276 UsageError(" (specifies /system/framework/<arch>/boot.art as the image file)");
Nicolas Geoffray9583fbc2014-02-28 15:21:07 +0000277 UsageError(" Default: $ANDROID_ROOT/system/framework/boot.art");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700278 UsageError("");
279 UsageError(" --android-root=<path>: used to locate libraries for portable linking.");
280 UsageError(" Example: --android-root=out/host/linux-x86");
281 UsageError(" Default: $ANDROID_ROOT");
282 UsageError("");
Andreas Gampe57b34292015-01-14 15:45:59 -0800283 UsageError(" --instruction-set=(arm|arm64|mips|mips64|x86|x86_64): compile for a particular");
Alex Light53cb16b2014-06-12 11:26:29 -0700284 UsageError(" instruction set.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700285 UsageError(" Example: --instruction-set=x86");
286 UsageError(" Default: arm");
287 UsageError("");
Dave Allison70202782013-10-22 17:52:19 -0700288 UsageError(" --instruction-set-features=...,: Specify instruction set features");
289 UsageError(" Example: --instruction-set-features=div");
290 UsageError(" Default: default");
291 UsageError("");
Igor Murashkin46774762014-10-22 11:37:02 -0700292 UsageError(" --compile-pic: Force indirect use of code, methods, and classes");
293 UsageError(" Default: disabled");
294 UsageError("");
Elliott Hughes956af0f2014-12-11 14:34:28 -0800295 UsageError(" --compiler-backend=(Quick|Optimizing): select compiler backend");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700296 UsageError(" set.");
Elliott Hughes956af0f2014-12-11 14:34:28 -0800297 UsageError(" Example: --compiler-backend=Optimizing");
Nicolas Geoffray409e8092015-10-01 10:32:19 +0100298 UsageError(" Default: Optimizing");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700299 UsageError("");
Nicolas Geoffray88157ef2014-09-12 10:29:53 +0100300 UsageError(" --compiler-filter="
Nicolas Geoffray49cda062017-04-21 13:08:25 +0100301 "(assume-verified"
302 "|extract"
303 "|verify"
304 "|quicken"
Andreas Gampe29d38e72016-03-23 15:31:51 +0000305 "|space-profile"
Nicolas Geoffray88157ef2014-09-12 10:29:53 +0100306 "|space"
Andreas Gampe29d38e72016-03-23 15:31:51 +0000307 "|speed-profile"
Nicolas Geoffray88157ef2014-09-12 10:29:53 +0100308 "|speed"
Andreas Gampe29d38e72016-03-23 15:31:51 +0000309 "|everything-profile"
310 "|everything):");
Jeff Hao4a200f52014-04-01 14:58:49 -0700311 UsageError(" select compiler filter.");
Brian Carlstrom6449c622014-02-10 23:48:36 -0800312 UsageError(" Example: --compiler-filter=everything");
Brian Carlstrom6449c622014-02-10 23:48:36 -0800313 UsageError(" Default: speed");
Brian Carlstrom6449c622014-02-10 23:48:36 -0800314 UsageError("");
Brian Carlstrom6449c622014-02-10 23:48:36 -0800315 UsageError(" --huge-method-max=<method-instruction-count>: threshold size for a huge");
316 UsageError(" method for compiler filter tuning.");
317 UsageError(" Example: --huge-method-max=%d", CompilerOptions::kDefaultHugeMethodThreshold);
318 UsageError(" Default: %d", CompilerOptions::kDefaultHugeMethodThreshold);
319 UsageError("");
320 UsageError(" --large-method-max=<method-instruction-count>: threshold size for a large");
321 UsageError(" method for compiler filter tuning.");
322 UsageError(" Example: --large-method-max=%d", CompilerOptions::kDefaultLargeMethodThreshold);
323 UsageError(" Default: %d", CompilerOptions::kDefaultLargeMethodThreshold);
324 UsageError("");
325 UsageError(" --small-method-max=<method-instruction-count>: threshold size for a small");
326 UsageError(" method for compiler filter tuning.");
327 UsageError(" Example: --small-method-max=%d", CompilerOptions::kDefaultSmallMethodThreshold);
328 UsageError(" Default: %d", CompilerOptions::kDefaultSmallMethodThreshold);
329 UsageError("");
330 UsageError(" --tiny-method-max=<method-instruction-count>: threshold size for a tiny");
331 UsageError(" method for compiler filter tuning.");
332 UsageError(" Example: --tiny-method-max=%d", CompilerOptions::kDefaultTinyMethodThreshold);
333 UsageError(" Default: %d", CompilerOptions::kDefaultTinyMethodThreshold);
334 UsageError("");
335 UsageError(" --num-dex-methods=<method-count>: threshold size for a small dex file for");
336 UsageError(" compiler filter tuning. If the input has fewer than this many methods");
Mathieu Chartier1cc7e8b2016-03-16 14:29:17 -0700337 UsageError(" and the filter is not interpret-only or verify-none or verify-at-runtime, ");
338 UsageError(" overrides the filter to use speed");
Brian Carlstrom6449c622014-02-10 23:48:36 -0800339 UsageError(" Example: --num-dex-method=%d", CompilerOptions::kDefaultNumDexMethodsThreshold);
340 UsageError(" Default: %d", CompilerOptions::kDefaultNumDexMethodsThreshold);
341 UsageError("");
Calin Juravleec748352015-07-29 13:52:12 +0100342 UsageError(" --inline-max-code-units=<code-units-count>: the maximum code units that a method");
343 UsageError(" can have to be considered for inlining. A zero value will disable inlining.");
Roland Levillaina215b952015-08-07 11:38:32 +0100344 UsageError(" Honored only by Optimizing. Has priority over the --compiler-filter option.");
345 UsageError(" Intended for development/experimental use.");
Calin Juravleec748352015-07-29 13:52:12 +0100346 UsageError(" Example: --inline-max-code-units=%d",
347 CompilerOptions::kDefaultInlineMaxCodeUnits);
348 UsageError(" Default: %d", CompilerOptions::kDefaultInlineMaxCodeUnits);
349 UsageError("");
Nicolas Geoffraye82b60f2017-12-10 21:50:10 +0000350 UsageError(" --dump-timings: display a breakdown of where time was spent");
Ian Rogers46398602013-08-20 07:50:36 -0700351 UsageError("");
Vladimir Marko2da52b02018-05-08 16:31:34 +0100352 UsageError(" --dump-pass-timings: display a breakdown of time spent in optimization");
353 UsageError(" passes for each compiled method.");
354 UsageError("");
David Srbecky8363c772015-05-28 16:12:43 +0100355 UsageError(" -g");
356 UsageError(" --generate-debug-info: Generate debug information for native debugging,");
357 UsageError(" such as stack unwinding information, ELF symbols and DWARF sections.");
David Srbecky346dc992016-03-13 22:00:07 +0000358 UsageError(" If used without --debuggable, it will be best-effort only.");
David Srbecky3e09eeb2016-01-12 14:54:03 +0000359 UsageError(" This option does not affect the generated code. (disabled by default)");
Alex Light78382fa2014-06-06 15:45:32 -0700360 UsageError("");
David Srbecky8363c772015-05-28 16:12:43 +0100361 UsageError(" --no-generate-debug-info: Do not generate debug information for native debugging.");
David Srbecky8dc73242015-04-12 11:40:39 +0100362 UsageError("");
David Srbecky5b1c2ca2016-01-25 17:32:41 +0000363 UsageError(" --generate-mini-debug-info: Generate minimal amount of LZMA-compressed");
364 UsageError(" debug information necessary to print backtraces. (disabled by default)");
365 UsageError("");
David Srbecky346dc992016-03-13 22:00:07 +0000366 UsageError(" --no-generate-mini-debug-info: Do not generate backtrace info.");
David Srbecky5b1c2ca2016-01-25 17:32:41 +0000367 UsageError("");
Alexey Alexandrovab40c112016-09-19 09:33:49 -0700368 UsageError(" --generate-build-id: Generate GNU-compatible linker build ID ELF section with");
369 UsageError(" SHA-1 of the file content (and thus stable across identical builds)");
370 UsageError("");
371 UsageError(" --no-generate-build-id: Do not generate the build ID ELF section.");
372 UsageError("");
David Srbecky3e09eeb2016-01-12 14:54:03 +0000373 UsageError(" --debuggable: Produce code debuggable with Java debugger.");
David Srbecky0cf44932015-12-09 14:09:59 +0000374 UsageError("");
Mathieu Chartierd1ab1bd2017-08-04 10:21:50 -0700375 UsageError(" --avoid-storing-invocation: Avoid storing the invocation args in the key value");
376 UsageError(" store. Used to test determinism with different args.");
377 UsageError("");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700378 UsageError(" --runtime-arg <argument>: used to specify various arguments for the runtime,");
379 UsageError(" such as initial heap size, maximum heap size, and verbose output.");
380 UsageError(" Use a separate --runtime-arg switch for each argument.");
381 UsageError(" Example: --runtime-arg -Xms256m");
Jeff Hao4a200f52014-04-01 14:58:49 -0700382 UsageError("");
Dave Allisond6ed6422014-04-09 23:36:15 +0000383 UsageError(" --profile-file=<filename>: specify profiler output file to use for compilation.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700384 UsageError("");
Calin Juravle877fd962016-01-05 14:29:29 +0000385 UsageError(" --profile-file-fd=<number>: same as --profile-file but accepts a file descriptor.");
386 UsageError(" Cannot be used together with --profile-file.");
387 UsageError("");
Roland Levillainf5bea5e2017-05-02 12:46:07 +0100388 UsageError(" --swap-file=<file-name>: specifies a file to use for swap.");
Andreas Gampee21dc3d2014-12-08 16:59:43 -0800389 UsageError(" Example: --swap-file=/data/tmp/swap.001");
390 UsageError("");
Roland Levillainf5bea5e2017-05-02 12:46:07 +0100391 UsageError(" --swap-fd=<file-descriptor>: specifies a file to use for swap (by descriptor).");
Andreas Gampee21dc3d2014-12-08 16:59:43 -0800392 UsageError(" Example: --swap-fd=10");
393 UsageError("");
Roland Levillainf5bea5e2017-05-02 12:46:07 +0100394 UsageError(" --swap-dex-size-threshold=<size>: specifies the minimum total dex file size in");
Andreas Gampee1459ae2016-06-29 09:36:30 -0700395 UsageError(" bytes to allow the use of swap.");
396 UsageError(" Example: --swap-dex-size-threshold=1000000");
397 UsageError(" Default: %zu", kDefaultMinDexFileCumulativeSizeForSwap);
398 UsageError("");
Roland Levillainf5bea5e2017-05-02 12:46:07 +0100399 UsageError(" --swap-dex-count-threshold=<count>: specifies the minimum number of dex files to");
Andreas Gampee1459ae2016-06-29 09:36:30 -0700400 UsageError(" allow the use of swap.");
401 UsageError(" Example: --swap-dex-count-threshold=10");
402 UsageError(" Default: %zu", kDefaultMinDexFilesForSwap);
403 UsageError("");
Roland Levillainf5bea5e2017-05-02 12:46:07 +0100404 UsageError(" --very-large-app-threshold=<size>: specifies the minimum total dex file size in");
Mathieu Chartier010126f2017-07-15 15:44:18 -0700405 UsageError(" bytes to consider the input \"very large\" and reduce compilation done.");
Andreas Gampe67f02822016-06-24 21:05:23 -0700406 UsageError(" Example: --very-large-app-threshold=100000000");
407 UsageError("");
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700408 UsageError(" --app-image-fd=<file-descriptor>: specify output file descriptor for app image.");
Mathieu Chartierf85b3db2018-04-02 18:16:21 -0700409 UsageError(" The image is non-empty only if a profile is passed in.");
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700410 UsageError(" Example: --app-image-fd=10");
411 UsageError("");
412 UsageError(" --app-image-file=<file-name>: specify a file name for app image.");
413 UsageError(" Example: --app-image-file=/data/dalvik-cache/system@app@Calculator.apk.art");
414 UsageError("");
Jeff Haodcdc85b2015-12-04 14:06:18 -0800415 UsageError(" --multi-image: specify that separate oat and image files be generated for each "
416 "input dex file.");
417 UsageError("");
Roland Levillaineb2c7412016-01-28 14:37:01 +0000418 UsageError(" --force-determinism: force the compiler to emit a deterministic output.");
Roland Levillaineb2c7412016-01-28 14:37:01 +0000419 UsageError("");
Roland Levillainf5bea5e2017-05-02 12:46:07 +0100420 UsageError(" --dump-cfg=<cfg-file>: dump control-flow graphs (CFGs) to specified file.");
421 UsageError(" Example: --dump-cfg=output.cfg");
422 UsageError("");
423 UsageError(" --dump-cfg-append: when dumping CFGs to an existing file, append new CFG data to");
424 UsageError(" existing data (instead of overwriting existing data with new data, which is");
425 UsageError(" the default behavior). This option is only meaningful when used with");
426 UsageError(" --dump-cfg.");
427 UsageError("");
Jeff Hao16d48432017-04-05 17:05:46 -0700428 UsageError(" --classpath-dir=<directory-path>: directory used to resolve relative class paths.");
429 UsageError("");
Calin Juravle1ce70852017-06-28 10:59:03 -0700430 UsageError(" --class-loader-context=<string spec>: a string specifying the intended");
431 UsageError(" runtime loading context for the compiled dex files.");
Jeff Haoc23b0c02017-07-27 18:19:38 -0700432 UsageError("");
Mathieu Chartierf5abfc42018-03-23 21:51:54 -0700433 UsageError(" --stored-class-loader-context=<string spec>: a string specifying the intended");
434 UsageError(" runtime loading context that is stored in the oat file. Overrides");
435 UsageError(" --class-loader-context. Note that this ignores the classpath_dir arg.");
436 UsageError("");
Calin Juravle1ce70852017-06-28 10:59:03 -0700437 UsageError(" It describes how the class loader chain should be built in order to ensure");
438 UsageError(" classes are resolved during dex2aot as they would be resolved at runtime.");
439 UsageError(" This spec will be encoded in the oat file. If at runtime the dex file is");
440 UsageError(" loaded in a different context, the oat file will be rejected.");
Jeff Haoc23b0c02017-07-27 18:19:38 -0700441 UsageError("");
Calin Juravle1ce70852017-06-28 10:59:03 -0700442 UsageError(" The chain is interpreted in the natural 'parent order', meaning that class");
443 UsageError(" loader 'i+1' will be the parent of class loader 'i'.");
Calin Juravlec79470d2017-07-12 17:37:42 -0700444 UsageError(" The compilation sources will be appended to the classpath of the first class");
445 UsageError(" loader.");
Jeff Haoc23b0c02017-07-27 18:19:38 -0700446 UsageError("");
Calin Juravlec79470d2017-07-12 17:37:42 -0700447 UsageError(" E.g. if the context is 'PCL[lib1.dex];DLC[lib2.dex]' and ");
448 UsageError(" --dex-file=src.dex then dex2oat will setup a PathClassLoader with classpath ");
449 UsageError(" 'lib1.dex:src.dex' and set its parent to a DelegateLastClassLoader with ");
450 UsageError(" classpath 'lib2.dex'.");
Calin Juravle1ce70852017-06-28 10:59:03 -0700451 UsageError(" ");
452 UsageError(" Note that the compiler will be tolerant if the source dex files specified");
453 UsageError(" with --dex-file are found in the classpath. The source dex files will be");
454 UsageError(" removed from any class loader's classpath possibly resulting in empty");
455 UsageError(" class loaders.");
Jeff Haoc23b0c02017-07-27 18:19:38 -0700456 UsageError("");
Calin Juravlec79470d2017-07-12 17:37:42 -0700457 UsageError(" Example: --class-loader-context=PCL[lib1.dex:lib2.dex];DLC[lib3.dex]");
Calin Juravle1ce70852017-06-28 10:59:03 -0700458 UsageError("");
Jeff Haoc23b0c02017-07-27 18:19:38 -0700459 UsageError(" --dirty-image-objects=<directory-path>: list of known dirty objects in the image.");
460 UsageError(" The image writer will group them together.");
461 UsageError("");
Mathieu Chartiereafe2a52017-10-19 15:29:42 -0700462 UsageError(" --compact-dex-level=none|fast: None avoids generating compact dex, fast");
Mathieu Chartierddf39552018-04-03 10:22:27 -0700463 UsageError(" generates compact dex with low compile time. If speed-profile is specified as");
464 UsageError(" the compiler filter and the profile is not empty, the default compact dex");
465 UsageError(" level is always used.");
Mathieu Chartiereafe2a52017-10-19 15:29:42 -0700466 UsageError("");
Andreas Gampee20ff6f2017-11-07 15:00:35 -0800467 UsageError(" --deduplicate-code=true|false: enable|disable code deduplication. Deduplicated");
468 UsageError(" code will have an arbitrary symbol tagged with [DEDUPED].");
Andreas Gampecac31ad2017-11-06 20:01:17 -0800469 UsageError("");
Nicolas Geoffray66ff8a82018-02-28 13:27:55 +0000470 UsageError(" --copy-dex-files=true|false: enable|disable copying the dex files into the");
Mathieu Chartier792111c2018-02-15 13:02:15 -0800471 UsageError(" output vdex.");
472 UsageError("");
Calin Juravle0e09dfc2018-02-12 19:01:09 -0800473 UsageError(" --compilation-reason=<string>: optional metadata specifying the reason for");
474 UsageError(" compiling the apk. If specified, the string will be embedded verbatim in");
475 UsageError(" the key value store of the oat file.");
476 UsageError("");
477 UsageError(" Example: --compilation-reason=install");
478 UsageError("");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700479 std::cerr << "See log for usage error information\n";
480 exit(EXIT_FAILURE);
481}
482
Brian Carlstrom7940e442013-07-12 13:46:57 -0700483// The primary goal of the watchdog is to prevent stuck build servers
484// during development when fatal aborts lead to a cascade of failures
485// that result in a deadlock.
486class WatchDog {
Brian Carlstrom95b033b2014-12-03 22:29:37 -0800487// WatchDog defines its own CHECK_PTHREAD_CALL to avoid using LOG which uses locks
Brian Carlstrom7940e442013-07-12 13:46:57 -0700488#undef CHECK_PTHREAD_CALL
489#define CHECK_WATCH_DOG_PTHREAD_CALL(call, args, what) \
490 do { \
491 int rc = call args; \
492 if (rc != 0) { \
493 errno = rc; \
494 std::string message(# call); \
495 message += " failed for "; \
496 message += reason; \
497 Fatal(message); \
498 } \
499 } while (false)
500
501 public:
Andreas Gampe2e8a2562017-01-18 20:39:02 -0800502 explicit WatchDog(int64_t timeout_in_milliseconds)
Andreas Gampe0f54b0d2017-12-27 08:37:02 -0800503 : timeout_in_milliseconds_(timeout_in_milliseconds),
Andreas Gampe2e8a2562017-01-18 20:39:02 -0800504 shutting_down_(false) {
Brian Carlstrom7940e442013-07-12 13:46:57 -0700505 const char* reason = "dex2oat watch dog thread startup";
Kenny Root51316382014-05-13 14:59:37 -0700506 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_init, (&mutex_, nullptr), reason);
Mathieu Chartierdbf44402017-02-22 16:07:23 -0800507#ifndef __APPLE__
508 pthread_condattr_t condattr;
liulvping8f7101e2017-01-16 15:14:43 +0800509 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_condattr_init, (&condattr), reason);
510 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_condattr_setclock, (&condattr, CLOCK_MONOTONIC), reason);
511 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_init, (&cond_, &condattr), reason);
512 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_condattr_destroy, (&condattr), reason);
Mathieu Chartierdbf44402017-02-22 16:07:23 -0800513#endif
Brian Carlstrom7940e442013-07-12 13:46:57 -0700514 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_attr_init, (&attr_), reason);
515 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_create, (&pthread_, &attr_, &CallBack, this), reason);
516 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_attr_destroy, (&attr_), reason);
517 }
518 ~WatchDog() {
Brian Carlstrom7940e442013-07-12 13:46:57 -0700519 const char* reason = "dex2oat watch dog thread shutdown";
520 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_lock, (&mutex_), reason);
521 shutting_down_ = true;
522 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_signal, (&cond_), reason);
523 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_unlock, (&mutex_), reason);
524
Kenny Root51316382014-05-13 14:59:37 -0700525 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_join, (pthread_, nullptr), reason);
Brian Carlstrom7940e442013-07-12 13:46:57 -0700526
527 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_destroy, (&cond_), reason);
528 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_destroy, (&mutex_), reason);
529 }
530
Andreas Gampe2e8a2562017-01-18 20:39:02 -0800531 // TODO: tune the multiplier for GC verification, the following is just to make the timeout
532 // large.
533 static constexpr int64_t kWatchdogVerifyMultiplier =
534 kVerifyObjectSupport > kVerifyObjectModeFast ? 100 : 1;
535
536 // When setting timeouts, keep in mind that the build server may not be as fast as your
537 // desktop. Debug builds are slower so they have larger timeouts.
538 static constexpr int64_t kWatchdogSlowdownFactor = kIsDebugBuild ? 5U : 1U;
539
540 // 9.5 minutes scaled by kSlowdownFactor. This is slightly smaller than the Package Manager
541 // watchdog (PackageManagerService.WATCHDOG_TIMEOUT, 10 minutes), so that dex2oat will abort
542 // itself before that watchdog would take down the system server.
543 static constexpr int64_t kWatchDogTimeoutSeconds = kWatchdogSlowdownFactor * (9 * 60 + 30);
544
545 static constexpr int64_t kDefaultWatchdogTimeoutInMS =
546 kWatchdogVerifyMultiplier * kWatchDogTimeoutSeconds * 1000;
547
Brian Carlstrom7940e442013-07-12 13:46:57 -0700548 private:
549 static void* CallBack(void* arg) {
550 WatchDog* self = reinterpret_cast<WatchDog*>(arg);
551 ::art::SetThreadName("dex2oat watch dog");
552 self->Wait();
Kenny Root51316382014-05-13 14:59:37 -0700553 return nullptr;
Brian Carlstrom7940e442013-07-12 13:46:57 -0700554 }
555
Andreas Gampe794ad762015-02-23 08:12:24 -0800556 NO_RETURN static void Fatal(const std::string& message) {
Andreas Gamped687e372015-04-28 23:16:03 -0700557 // TODO: When we can guarantee it won't prevent shutdown in error cases, move to LOG. However,
558 // it's rather easy to hang in unwinding.
559 // LogLine also avoids ART logging lock issues, as it's really only a wrapper around
560 // logcat logging or stderr output.
Tomasz Wasilczyk8d840902017-12-20 08:19:53 -0800561 LogHelper::LogLineLowStack(__FILE__, __LINE__, LogSeverity::FATAL, message.c_str());
562
Andreas Gampe48fde372017-06-06 07:43:46 -0700563 // If we're on the host, try to dump all threads to get a sense of what's going on. This is
564 // restricted to the host as the dump may itself go bad.
565 // TODO: Use a double watchdog timeout, so we can enable this on-device.
566 if (!kIsTargetBuild && Runtime::Current() != nullptr) {
Andreas Gampecd607312017-06-05 17:03:05 -0700567 Runtime::Current()->AttachCurrentThread("Watchdog thread attached for dumping",
568 true,
569 nullptr,
570 false);
571 Runtime::Current()->DumpForSigQuit(std::cerr);
572 }
Brian Carlstrom7940e442013-07-12 13:46:57 -0700573 exit(1);
574 }
575
576 void Wait() {
Brian Carlstrom7940e442013-07-12 13:46:57 -0700577 timespec timeout_ts;
Mathieu Chartierdbf44402017-02-22 16:07:23 -0800578#if defined(__APPLE__)
579 InitTimeSpec(true, CLOCK_REALTIME, timeout_in_milliseconds_, 0, &timeout_ts);
580#else
liulvping8f7101e2017-01-16 15:14:43 +0800581 InitTimeSpec(true, CLOCK_MONOTONIC, timeout_in_milliseconds_, 0, &timeout_ts);
Mathieu Chartierdbf44402017-02-22 16:07:23 -0800582#endif
Brian Carlstrom7940e442013-07-12 13:46:57 -0700583 const char* reason = "dex2oat watch dog thread waiting";
584 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_lock, (&mutex_), reason);
585 while (!shutting_down_) {
Brian Carlstrom95b033b2014-12-03 22:29:37 -0800586 int rc = TEMP_FAILURE_RETRY(pthread_cond_timedwait(&cond_, &mutex_, &timeout_ts));
Brian Carlstrom7940e442013-07-12 13:46:57 -0700587 if (rc == ETIMEDOUT) {
Andreas Gamped687e372015-04-28 23:16:03 -0700588 Fatal(StringPrintf("dex2oat did not finish after %" PRId64 " seconds",
Andreas Gampe2e8a2562017-01-18 20:39:02 -0800589 timeout_in_milliseconds_/1000));
Brian Carlstrom7940e442013-07-12 13:46:57 -0700590 } else if (rc != 0) {
591 std::string message(StringPrintf("pthread_cond_timedwait failed: %s",
592 strerror(errno)));
593 Fatal(message.c_str());
594 }
595 }
596 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_unlock, (&mutex_), reason);
597 }
598
Brian Carlstrom7940e442013-07-12 13:46:57 -0700599 // TODO: Switch to Mutex when we can guarantee it won't prevent shutdown in error cases.
600 pthread_mutex_t mutex_;
601 pthread_cond_t cond_;
602 pthread_attr_t attr_;
603 pthread_t pthread_;
Andreas Gampef45d61c2017-06-07 10:29:33 -0700604
605 const int64_t timeout_in_milliseconds_;
606 bool shutting_down_;
Brian Carlstrom7940e442013-07-12 13:46:57 -0700607};
Brian Carlstrom7940e442013-07-12 13:46:57 -0700608
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800609class Dex2Oat FINAL {
610 public:
611 explicit Dex2Oat(TimingLogger* timings) :
Nicolas Geoffray409e8092015-10-01 10:32:19 +0100612 compiler_kind_(Compiler::kOptimizing),
Vladimir Marko33bff252017-11-01 14:35:42 +0000613 instruction_set_(kRuntimeISA == InstructionSet::kArm ? InstructionSet::kThumb2 : kRuntimeISA),
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800614 // Take the default set of instruction features from the build.
Vladimir Marko9bdf1082016-01-21 12:15:52 +0000615 image_file_location_oat_checksum_(0),
616 image_file_location_oat_data_begin_(0),
617 image_patch_delta_(0),
618 key_value_store_(nullptr),
Andreas Gampe3f30e122015-09-17 14:03:21 -0700619 verification_results_(nullptr),
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800620 runtime_(nullptr),
621 thread_count_(sysconf(_SC_NPROCESSORS_CONF)),
622 start_ns_(NanoTime()),
Andreas Gampec560fc02014-07-16 09:57:39 -0700623 start_cputime_ns_(ProcessCpuNanoTime()),
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800624 oat_fd_(-1),
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +0000625 input_vdex_fd_(-1),
626 output_vdex_fd_(-1),
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +0000627 input_vdex_file_(nullptr),
Nicolas Geoffraybaeaa9b2018-01-26 14:31:17 +0000628 dm_fd_(-1),
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800629 zip_fd_(-1),
630 image_base_(0U),
631 image_classes_zip_filename_(nullptr),
632 image_classes_filename_(nullptr),
Mathieu Chartierceb07b32015-12-10 09:33:21 -0800633 image_storage_mode_(ImageHeader::kStorageModeUncompressed),
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -0700634 passes_to_run_filename_(nullptr),
Mathieu Chartierff0baff2017-08-02 23:04:19 -0700635 dirty_image_objects_filename_(nullptr),
Jeff Hao436183f2016-01-12 16:36:50 -0800636 multi_image_(false),
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800637 is_host_(false),
Vladimir Marko9bdf1082016-01-21 12:15:52 +0000638 elf_writers_(),
639 oat_writers_(),
640 rodata_(),
Vladimir Marko10c13562015-11-25 14:33:36 +0000641 image_writer_(nullptr),
Andreas Gampe3f30e122015-09-17 14:03:21 -0700642 driver_(nullptr),
Vladimir Marko9bdf1082016-01-21 12:15:52 +0000643 opened_dex_files_maps_(),
644 opened_dex_files_(),
Mathieu Chartierd1ab1bd2017-08-04 10:21:50 -0700645 avoid_storing_invocation_(false),
Calin Juravle2e2db782016-02-23 12:00:03 +0000646 swap_fd_(kInvalidFd),
Mathieu Chartierfbc31082016-01-24 11:59:56 -0800647 app_image_fd_(kInvalidFd),
Calin Juravle2e2db782016-02-23 12:00:03 +0000648 profile_file_fd_(kInvalidFd),
Andreas Gampeace0dc12016-01-20 13:33:13 -0800649 timings_(timings),
Calin Juravle2e2db782016-02-23 12:00:03 +0000650 force_determinism_(false)
651 {}
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800652
653 ~Dex2Oat() {
Richard Uhlerfbef44d2014-12-23 09:48:51 -0800654 // Log completion time before deleting the runtime_, because this accesses
655 // the runtime.
656 LogCompletionTime();
657
Roland Levillain05e34f42018-05-24 13:19:05 +0000658 if (!kIsDebugBuild && !(kRunningOnMemoryTool && kMemoryToolDetectsLeaks)) {
Vladimir Marko307dac92015-10-20 11:20:09 +0100659 // We want to just exit on non-debug builds, not bringing the runtime down
660 // in an orderly fashion. So release the following fields.
661 driver_.release();
662 image_writer_.release();
663 for (std::unique_ptr<const DexFile>& dex_file : opened_dex_files_) {
664 dex_file.release();
665 }
Vladimir Marko9bdf1082016-01-21 12:15:52 +0000666 for (std::unique_ptr<MemMap>& map : opened_dex_files_maps_) {
667 map.release();
668 }
David Brazdil7b49e6c2016-09-01 11:06:18 +0100669 for (std::unique_ptr<File>& vdex_file : vdex_files_) {
670 vdex_file.release();
671 }
Jeff Haodcdc85b2015-12-04 14:06:18 -0800672 for (std::unique_ptr<File>& oat_file : oat_files_) {
673 oat_file.release();
674 }
Vladimir Marko307dac92015-10-20 11:20:09 +0100675 runtime_.release();
676 verification_results_.release();
677 key_value_store_.release();
Vladimir Markof94b7812014-06-05 15:48:04 +0100678 }
Brian Carlstrom7940e442013-07-12 13:46:57 -0700679 }
680
Roland Levillain9ec5e222015-08-17 20:18:41 +0100681 struct ParserOptions {
Jeff Haodcdc85b2015-12-04 14:06:18 -0800682 std::vector<const char*> oat_symbols;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800683 std::string boot_image_filename;
Andreas Gampe2e8a2562017-01-18 20:39:02 -0800684 int64_t watch_dog_timeout_in_ms = -1;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800685 bool watch_dog_enabled = true;
Nicolas Geoffray1412dfa2015-03-20 14:48:13 +0000686 bool requested_specific_compiler = false;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800687 std::string error_msg;
Roland Levillain9ec5e222015-08-17 20:18:41 +0100688 };
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800689
Andreas Gampe097f34c2017-08-23 08:57:51 -0700690 void ParseBase(const std::string& option) {
Roland Levillain9ec5e222015-08-17 20:18:41 +0100691 char* end;
Andreas Gampe097f34c2017-08-23 08:57:51 -0700692 image_base_ = strtoul(option.c_str(), &end, 16);
693 if (end == option.c_str() || *end != '\0') {
Roland Levillain9ec5e222015-08-17 20:18:41 +0100694 Usage("Failed to parse hexadecimal value for option %s", option.data());
695 }
696 }
697
Shubham Ajmera188b2bf2017-09-20 15:53:35 -0700698 bool VerifyProfileData() {
699 return profile_compilation_info_->VerifyProfileData(dex_files_);
700 }
701
Andreas Gampe097f34c2017-08-23 08:57:51 -0700702 void ParseInstructionSetVariant(const std::string& option, ParserOptions* parser_options) {
Andreas Gampe0415b4e2015-01-06 15:17:07 -0800703 instruction_set_features_ = InstructionSetFeatures::FromVariant(
Andreas Gampe097f34c2017-08-23 08:57:51 -0700704 instruction_set_, option, &parser_options->error_msg);
Roland Levillain9ec5e222015-08-17 20:18:41 +0100705 if (instruction_set_features_.get() == nullptr) {
706 Usage("%s", parser_options->error_msg.c_str());
707 }
708 }
709
Andreas Gampe097f34c2017-08-23 08:57:51 -0700710 void ParseInstructionSetFeatures(const std::string& option, ParserOptions* parser_options) {
Andreas Gampe0415b4e2015-01-06 15:17:07 -0800711 if (instruction_set_features_ == nullptr) {
712 instruction_set_features_ = InstructionSetFeatures::FromVariant(
713 instruction_set_, "default", &parser_options->error_msg);
Roland Levillain9ec5e222015-08-17 20:18:41 +0100714 if (instruction_set_features_.get() == nullptr) {
715 Usage("Problem initializing default instruction set features variant: %s",
716 parser_options->error_msg.c_str());
Brian Carlstrom7940e442013-07-12 13:46:57 -0700717 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800718 }
Andreas Gampe0415b4e2015-01-06 15:17:07 -0800719 instruction_set_features_ =
Andreas Gampe097f34c2017-08-23 08:57:51 -0700720 instruction_set_features_->AddFeaturesFromString(option, &parser_options->error_msg);
Andreas Gampe0415b4e2015-01-06 15:17:07 -0800721 if (instruction_set_features_ == nullptr) {
Andreas Gampe097f34c2017-08-23 08:57:51 -0700722 Usage("Error parsing '%s': %s", option.c_str(), parser_options->error_msg.c_str());
Mathieu Chartierceb07b32015-12-10 09:33:21 -0800723 }
724 }
725
Jeff Hao436183f2016-01-12 16:36:50 -0800726 void ProcessOptions(ParserOptions* parser_options) {
Vladimir Markoaad75c62016-10-03 08:46:48 +0000727 compiler_options_->boot_image_ = !image_filenames_.empty();
728 compiler_options_->app_image_ = app_image_fd_ != -1 || !app_image_file_name_.empty();
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700729
Roland Levillain2b03a1f2017-06-06 16:09:59 +0100730 if (IsBootImage() && image_filenames_.size() == 1) {
731 const std::string& boot_image_filename = image_filenames_[0];
732 compiler_options_->core_image_ = CompilerDriver::IsCoreImageFilename(boot_image_filename);
733 }
734
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700735 if (IsAppImage() && IsBootImage()) {
736 Usage("Can't have both --image and (--app-image-fd or --app-image-file)");
737 }
738
Jeff Haodcdc85b2015-12-04 14:06:18 -0800739 if (oat_filenames_.empty() && oat_fd_ == -1) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800740 Usage("Output must be supplied with either --oat-file or --oat-fd");
741 }
742
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +0000743 if (input_vdex_fd_ != -1 && !input_vdex_.empty()) {
744 Usage("Can't have both --input-vdex-fd and --input-vdex");
745 }
746
Nicolas Geoffray4e868fa2017-04-21 17:16:44 +0100747 if (output_vdex_fd_ != -1 && !output_vdex_.empty()) {
748 Usage("Can't have both --output-vdex-fd and --output-vdex");
749 }
750
Jeff Haodcdc85b2015-12-04 14:06:18 -0800751 if (!oat_filenames_.empty() && oat_fd_ != -1) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800752 Usage("--oat-file should not be used with --oat-fd");
753 }
754
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +0000755 if ((output_vdex_fd_ == -1) != (oat_fd_ == -1)) {
Sascha Roth5f71c652018-04-10 00:27:15 +0200756 Usage("VDEX and OAT output must be specified either with one --oat-file "
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +0000757 "or with --oat-fd and --output-vdex-fd file descriptors");
David Brazdil7b49e6c2016-09-01 11:06:18 +0100758 }
759
Roland Levillain9ec5e222015-08-17 20:18:41 +0100760 if (!parser_options->oat_symbols.empty() && oat_fd_ != -1) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800761 Usage("--oat-symbols should not be used with --oat-fd");
762 }
763
Roland Levillain9ec5e222015-08-17 20:18:41 +0100764 if (!parser_options->oat_symbols.empty() && is_host_) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800765 Usage("--oat-symbols should not be used with --host");
766 }
767
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +0000768 if (output_vdex_fd_ != -1 && !image_filenames_.empty()) {
769 Usage("--output-vdex-fd should not be used with --image");
David Brazdil7b49e6c2016-09-01 11:06:18 +0100770 }
771
Jeff Haodcdc85b2015-12-04 14:06:18 -0800772 if (oat_fd_ != -1 && !image_filenames_.empty()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800773 Usage("--oat-fd should not be used with --image");
774 }
775
Nicolas Geoffraybaeaa9b2018-01-26 14:31:17 +0000776 if ((input_vdex_fd_ != -1 || !input_vdex_.empty()) &&
777 (dm_fd_ != -1 || !dm_file_location_.empty())) {
778 Usage("An input vdex should not be passed with a .dm file");
779 }
780
Jeff Haodcdc85b2015-12-04 14:06:18 -0800781 if (!parser_options->oat_symbols.empty() &&
782 parser_options->oat_symbols.size() != oat_filenames_.size()) {
783 Usage("--oat-file arguments do not match --oat-symbols arguments");
784 }
785
786 if (!image_filenames_.empty() && image_filenames_.size() != oat_filenames_.size()) {
787 Usage("--oat-file arguments do not match --image arguments");
788 }
789
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800790 if (android_root_.empty()) {
791 const char* android_root_env_var = getenv("ANDROID_ROOT");
792 if (android_root_env_var == nullptr) {
793 Usage("--android-root unspecified and ANDROID_ROOT not set");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700794 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800795 android_root_ += android_root_env_var;
796 }
797
Vladimir Markoaad75c62016-10-03 08:46:48 +0000798 if (!IsBootImage() && parser_options->boot_image_filename.empty()) {
Roland Levillain9ec5e222015-08-17 20:18:41 +0100799 parser_options->boot_image_filename += android_root_;
800 parser_options->boot_image_filename += "/framework/boot.art";
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800801 }
Roland Levillain9ec5e222015-08-17 20:18:41 +0100802 if (!parser_options->boot_image_filename.empty()) {
Vladimir Marko49b0f452015-12-10 13:49:19 +0000803 boot_image_filename_ = parser_options->boot_image_filename;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800804 }
805
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700806 if (image_classes_filename_ != nullptr && !IsBootImage()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800807 Usage("--image-classes should only be used with --image");
808 }
809
Vladimir Marko49b0f452015-12-10 13:49:19 +0000810 if (image_classes_filename_ != nullptr && !boot_image_filename_.empty()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800811 Usage("--image-classes should not be used with --boot-image");
812 }
813
814 if (image_classes_zip_filename_ != nullptr && image_classes_filename_ == nullptr) {
815 Usage("--image-classes-zip should be used with --image-classes");
816 }
817
818 if (dex_filenames_.empty() && zip_fd_ == -1) {
819 Usage("Input must be supplied with either --dex-file or --zip-fd");
820 }
821
822 if (!dex_filenames_.empty() && zip_fd_ != -1) {
823 Usage("--dex-file should not be used with --zip-fd");
824 }
825
826 if (!dex_filenames_.empty() && !zip_location_.empty()) {
827 Usage("--dex-file should not be used with --zip-location");
828 }
829
830 if (dex_locations_.empty()) {
831 for (const char* dex_file_name : dex_filenames_) {
832 dex_locations_.push_back(dex_file_name);
833 }
834 } else if (dex_locations_.size() != dex_filenames_.size()) {
835 Usage("--dex-location arguments do not match --dex-file arguments");
836 }
837
Jeff Haodcdc85b2015-12-04 14:06:18 -0800838 if (!dex_filenames_.empty() && !oat_filenames_.empty()) {
839 if (oat_filenames_.size() != 1 && oat_filenames_.size() != dex_filenames_.size()) {
840 Usage("--oat-file arguments must be singular or match --dex-file arguments");
841 }
842 }
843
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800844 if (zip_fd_ != -1 && zip_location_.empty()) {
845 Usage("--zip-location should be supplied with --zip-fd");
846 }
847
Vladimir Marko49b0f452015-12-10 13:49:19 +0000848 if (boot_image_filename_.empty()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800849 if (image_base_ == 0) {
850 Usage("Non-zero --base not specified");
851 }
852 }
853
Mathieu Chartiera8077802016-03-16 19:08:31 -0700854 const bool have_profile_file = !profile_file_.empty();
855 const bool have_profile_fd = profile_file_fd_ != kInvalidFd;
856 if (have_profile_file && have_profile_fd) {
Calin Juravle2e2db782016-02-23 12:00:03 +0000857 Usage("Profile file should not be specified with both --profile-file-fd and --profile-file");
Calin Juravle998c2162015-12-21 15:39:33 +0200858 }
859
Mathieu Chartierf70fe3d2017-06-21 15:24:02 -0700860 if (have_profile_file || have_profile_fd) {
Andreas Gampebd600e32018-04-12 14:25:39 -0700861 if (image_classes_filename_ != nullptr ||
Mathieu Chartierf70fe3d2017-06-21 15:24:02 -0700862 image_classes_zip_filename_ != nullptr) {
863 Usage("Profile based image creation is not supported with image or compiled classes");
864 }
865 }
866
Roland Levillain9ec5e222015-08-17 20:18:41 +0100867 if (!parser_options->oat_symbols.empty()) {
Jeff Haodcdc85b2015-12-04 14:06:18 -0800868 oat_unstripped_ = std::move(parser_options->oat_symbols);
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800869 }
870
871 // If no instruction set feature was given, use the default one for the target
872 // instruction set.
873 if (instruction_set_features_.get() == nullptr) {
Andreas Gampe0415b4e2015-01-06 15:17:07 -0800874 instruction_set_features_ = InstructionSetFeatures::FromVariant(
875 instruction_set_, "default", &parser_options->error_msg);
Ian Rogersd582fa42014-11-05 23:46:43 -0800876 if (instruction_set_features_.get() == nullptr) {
877 Usage("Problem initializing default instruction set features variant: %s",
Roland Levillain9ec5e222015-08-17 20:18:41 +0100878 parser_options->error_msg.c_str());
Ian Rogersd582fa42014-11-05 23:46:43 -0800879 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800880 }
881
882 if (instruction_set_ == kRuntimeISA) {
883 std::unique_ptr<const InstructionSetFeatures> runtime_features(
884 InstructionSetFeatures::FromCppDefines());
885 if (!instruction_set_features_->Equals(runtime_features.get())) {
886 LOG(WARNING) << "Mismatch between dex2oat instruction set features ("
887 << *instruction_set_features_ << ") and those of dex2oat executable ("
888 << *runtime_features <<") for the command line:\n"
889 << CommandLine();
890 }
891 }
892
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +0000893 if (compiler_options_->inline_max_code_units_ == CompilerOptions::kUnsetInlineMaxCodeUnits) {
Nicolas Geoffrayf6d46682017-02-28 17:41:45 +0000894 compiler_options_->inline_max_code_units_ = CompilerOptions::kDefaultInlineMaxCodeUnits;
Roland Levillaina215b952015-08-07 11:38:32 +0100895 }
896
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800897 // Checks are all explicit until we know the architecture.
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800898 // Set the compilation target's implicit checks options.
899 switch (instruction_set_) {
Vladimir Marko33bff252017-11-01 14:35:42 +0000900 case InstructionSet::kArm:
901 case InstructionSet::kThumb2:
902 case InstructionSet::kArm64:
903 case InstructionSet::kX86:
904 case InstructionSet::kX86_64:
905 case InstructionSet::kMips:
906 case InstructionSet::kMips64:
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +0000907 compiler_options_->implicit_null_checks_ = true;
908 compiler_options_->implicit_so_checks_ = true;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800909 break;
910
911 default:
912 // Defaults are correct.
913 break;
914 }
915
Jeff Hao436183f2016-01-12 16:36:50 -0800916 if (!IsBootImage() && multi_image_) {
Jeff Haodcdc85b2015-12-04 14:06:18 -0800917 Usage("--multi-image can only be used when creating boot images");
918 }
Jeff Hao436183f2016-01-12 16:36:50 -0800919 if (IsBootImage() && multi_image_ && image_filenames_.size() > 1) {
Jeff Haodcdc85b2015-12-04 14:06:18 -0800920 Usage("--multi-image cannot be used with multiple image names");
921 }
922
923 // For now, if we're on the host and compile the boot image, *always* use multiple image files.
924 if (!kIsTargetBuild && IsBootImage()) {
925 if (image_filenames_.size() == 1) {
Jeff Hao436183f2016-01-12 16:36:50 -0800926 multi_image_ = true;
Jeff Haodcdc85b2015-12-04 14:06:18 -0800927 }
928 }
929
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800930 // Done with usage checks, enable watchdog if requested
Roland Levillain9ec5e222015-08-17 20:18:41 +0100931 if (parser_options->watch_dog_enabled) {
Andreas Gampe2e8a2562017-01-18 20:39:02 -0800932 int64_t timeout = parser_options->watch_dog_timeout_in_ms > 0
933 ? parser_options->watch_dog_timeout_in_ms
934 : WatchDog::kDefaultWatchdogTimeoutInMS;
935 watchdog_.reset(new WatchDog(timeout));
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800936 }
937
938 // Fill some values into the key-value store for the oat header.
939 key_value_store_.reset(new SafeMap<std::string, std::string>());
Andreas Gampeace0dc12016-01-20 13:33:13 -0800940
Roland Levillainb81e9e92017-04-20 17:35:32 +0100941 // Automatically force determinism for the boot image in a host build if read barriers
942 // are enabled, or if the default GC is CMS or MS. When the default GC is CMS
943 // (Concurrent Mark-Sweep), the GC is switched to a non-concurrent one by passing the
944 // option `-Xgc:nonconcurrent` (see below).
Hiroshi Yamauchi6af53482016-01-29 15:38:58 -0800945 if (!kIsTargetBuild && IsBootImage()) {
946 if (SupportsDeterministicCompilation()) {
947 force_determinism_ = true;
948 } else {
949 LOG(WARNING) << "Deterministic compilation is disabled.";
950 }
Andreas Gampeace0dc12016-01-20 13:33:13 -0800951 }
952 compiler_options_->force_determinism_ = force_determinism_;
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -0700953
954 if (passes_to_run_filename_ != nullptr) {
Vladimir Marko54159c62018-06-20 14:30:08 +0100955 passes_to_run_ = ReadCommentedInputFromFile<std::vector<std::string>>(
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -0700956 passes_to_run_filename_,
Vladimir Marko54159c62018-06-20 14:30:08 +0100957 nullptr); // No post-processing.
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -0700958 if (passes_to_run_.get() == nullptr) {
959 Usage("Failed to read list of passes to run.");
960 }
961 }
962 compiler_options_->passes_to_run_ = passes_to_run_.get();
Roland Levillain9ec5e222015-08-17 20:18:41 +0100963 }
964
Hiroshi Yamauchi6af53482016-01-29 15:38:58 -0800965 static bool SupportsDeterministicCompilation() {
Roland Levillainb81e9e92017-04-20 17:35:32 +0100966 return (kUseReadBarrier ||
967 gc::kCollectorTypeDefault == gc::kCollectorTypeCMS ||
968 gc::kCollectorTypeDefault == gc::kCollectorTypeMS);
Hiroshi Yamauchi6af53482016-01-29 15:38:58 -0800969 }
970
Jeff Hao436183f2016-01-12 16:36:50 -0800971 void ExpandOatAndImageFilenames() {
972 std::string base_oat = oat_filenames_[0];
973 size_t last_oat_slash = base_oat.rfind('/');
974 if (last_oat_slash == std::string::npos) {
975 Usage("--multi-image used with unusable oat filename %s", base_oat.c_str());
976 }
977 // We also need to honor path components that were encoded through '@'. Otherwise the loading
978 // code won't be able to find the images.
979 if (base_oat.find('@', last_oat_slash) != std::string::npos) {
980 last_oat_slash = base_oat.rfind('@');
981 }
982 base_oat = base_oat.substr(0, last_oat_slash + 1);
983
984 std::string base_img = image_filenames_[0];
985 size_t last_img_slash = base_img.rfind('/');
986 if (last_img_slash == std::string::npos) {
987 Usage("--multi-image used with unusable image filename %s", base_img.c_str());
988 }
989 // We also need to honor path components that were encoded through '@'. Otherwise the loading
990 // code won't be able to find the images.
991 if (base_img.find('@', last_img_slash) != std::string::npos) {
992 last_img_slash = base_img.rfind('@');
993 }
994
995 // Get the prefix, which is the primary image name (without path components). Strip the
996 // extension.
997 std::string prefix = base_img.substr(last_img_slash + 1);
998 if (prefix.rfind('.') != std::string::npos) {
999 prefix = prefix.substr(0, prefix.rfind('.'));
1000 }
1001 if (!prefix.empty()) {
1002 prefix = prefix + "-";
1003 }
1004
1005 base_img = base_img.substr(0, last_img_slash + 1);
1006
1007 // Note: we have some special case here for our testing. We have to inject the differentiating
1008 // parts for the different core images.
1009 std::string infix; // Empty infix by default.
1010 {
1011 // Check the first name.
1012 std::string dex_file = oat_filenames_[0];
1013 size_t last_dex_slash = dex_file.rfind('/');
1014 if (last_dex_slash != std::string::npos) {
1015 dex_file = dex_file.substr(last_dex_slash + 1);
1016 }
1017 size_t last_dex_dot = dex_file.rfind('.');
1018 if (last_dex_dot != std::string::npos) {
1019 dex_file = dex_file.substr(0, last_dex_dot);
1020 }
Andreas Gampe9186ced2016-12-12 14:28:21 -08001021 if (android::base::StartsWith(dex_file, "core-")) {
Jeff Hao436183f2016-01-12 16:36:50 -08001022 infix = dex_file.substr(strlen("core"));
1023 }
1024 }
1025
bowen_lai8bd36c02016-10-12 13:28:55 +08001026 std::string base_symbol_oat;
1027 if (!oat_unstripped_.empty()) {
1028 base_symbol_oat = oat_unstripped_[0];
1029 size_t last_symbol_oat_slash = base_symbol_oat.rfind('/');
1030 if (last_symbol_oat_slash == std::string::npos) {
1031 Usage("--multi-image used with unusable symbol filename %s", base_symbol_oat.c_str());
1032 }
1033 base_symbol_oat = base_symbol_oat.substr(0, last_symbol_oat_slash + 1);
1034 }
1035
Jeff Hao436183f2016-01-12 16:36:50 -08001036 // Now create the other names. Use a counted loop to skip the first one.
1037 for (size_t i = 1; i < dex_locations_.size(); ++i) {
1038 // TODO: Make everything properly std::string.
1039 std::string image_name = CreateMultiImageName(dex_locations_[i], prefix, infix, ".art");
Andreas Gampe097f34c2017-08-23 08:57:51 -07001040 char_backing_storage_.push_front(base_img + image_name);
1041 image_filenames_.push_back(char_backing_storage_.front().c_str());
Jeff Hao436183f2016-01-12 16:36:50 -08001042
1043 std::string oat_name = CreateMultiImageName(dex_locations_[i], prefix, infix, ".oat");
Andreas Gampe097f34c2017-08-23 08:57:51 -07001044 char_backing_storage_.push_front(base_oat + oat_name);
1045 oat_filenames_.push_back(char_backing_storage_.front().c_str());
bowen_lai8bd36c02016-10-12 13:28:55 +08001046
1047 if (!base_symbol_oat.empty()) {
Andreas Gampe097f34c2017-08-23 08:57:51 -07001048 char_backing_storage_.push_front(base_symbol_oat + oat_name);
1049 oat_unstripped_.push_back(char_backing_storage_.front().c_str());
bowen_lai8bd36c02016-10-12 13:28:55 +08001050 }
Jeff Hao436183f2016-01-12 16:36:50 -08001051 }
1052 }
1053
Andreas Gampe8994a042015-12-30 19:03:17 +00001054 // Modify the input string in the following way:
1055 // 0) Assume input is /a/b/c.d
1056 // 1) Strip the path -> c.d
1057 // 2) Inject prefix p -> pc.d
1058 // 3) Inject infix i -> pci.d
1059 // 4) Replace suffix with s if it's "jar" -> d == "jar" -> pci.s
Jeff Haodcdc85b2015-12-04 14:06:18 -08001060 static std::string CreateMultiImageName(std::string in,
Andreas Gampe8994a042015-12-30 19:03:17 +00001061 const std::string& prefix,
Jeff Haodcdc85b2015-12-04 14:06:18 -08001062 const std::string& infix,
Andreas Gampe8994a042015-12-30 19:03:17 +00001063 const char* replace_suffix) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001064 size_t last_dex_slash = in.rfind('/');
1065 if (last_dex_slash != std::string::npos) {
1066 in = in.substr(last_dex_slash + 1);
1067 }
Andreas Gampe8994a042015-12-30 19:03:17 +00001068 if (!prefix.empty()) {
1069 in = prefix + in;
1070 }
Jeff Haodcdc85b2015-12-04 14:06:18 -08001071 if (!infix.empty()) {
1072 // Inject infix.
1073 size_t last_dot = in.rfind('.');
1074 if (last_dot != std::string::npos) {
1075 in.insert(last_dot, infix);
1076 }
1077 }
Andreas Gampe9186ced2016-12-12 14:28:21 -08001078 if (android::base::EndsWith(in, ".jar")) {
Andreas Gampe8994a042015-12-30 19:03:17 +00001079 in = in.substr(0, in.length() - strlen(".jar")) +
1080 (replace_suffix != nullptr ? replace_suffix : "");
Jeff Haodcdc85b2015-12-04 14:06:18 -08001081 }
1082 return in;
1083 }
1084
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001085 void InsertCompileOptions(int argc, char** argv) {
Roland Levillain9ec5e222015-08-17 20:18:41 +01001086 std::ostringstream oss;
Mathieu Chartierd1ab1bd2017-08-04 10:21:50 -07001087 if (!avoid_storing_invocation_) {
1088 for (int i = 0; i < argc; ++i) {
1089 if (i > 0) {
1090 oss << ' ';
1091 }
1092 oss << argv[i];
Roland Levillain9ec5e222015-08-17 20:18:41 +01001093 }
Mathieu Chartierd1ab1bd2017-08-04 10:21:50 -07001094 key_value_store_->Put(OatHeader::kDex2OatCmdLineKey, oss.str());
1095 oss.str(""); // Reset.
Roland Levillain9ec5e222015-08-17 20:18:41 +01001096 }
Roland Levillain9ec5e222015-08-17 20:18:41 +01001097 oss << kRuntimeISA;
1098 key_value_store_->Put(OatHeader::kDex2OatHostKey, oss.str());
1099 key_value_store_->Put(
1100 OatHeader::kPicKey,
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001101 compiler_options_->compile_pic_ ? OatHeader::kTrueValue : OatHeader::kFalseValue);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001102 key_value_store_->Put(
1103 OatHeader::kDebuggableKey,
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001104 compiler_options_->debuggable_ ? OatHeader::kTrueValue : OatHeader::kFalseValue);
David Srbecky5d950762016-03-07 20:47:29 +00001105 key_value_store_->Put(
1106 OatHeader::kNativeDebuggableKey,
David Srbecky346dc992016-03-13 22:00:07 +00001107 compiler_options_->GetNativeDebuggable() ? OatHeader::kTrueValue : OatHeader::kFalseValue);
Andreas Gampe29d38e72016-03-23 15:31:51 +00001108 key_value_store_->Put(OatHeader::kCompilerFilter,
1109 CompilerFilter::NameOfFilter(compiler_options_->GetCompilerFilter()));
Andreas Gampef8cd8902017-01-18 16:05:01 -08001110 key_value_store_->Put(OatHeader::kConcurrentCopying,
1111 kUseReadBarrier ? OatHeader::kTrueValue : OatHeader::kFalseValue);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001112 }
1113
Andreas Gampe097f34c2017-08-23 08:57:51 -07001114 // This simple forward is here so the string specializations below don't look out of place.
1115 template <typename T, typename U>
1116 void AssignIfExists(Dex2oatArgumentMap& map,
1117 const Dex2oatArgumentMap::Key<T>& key,
1118 U* out) {
1119 map.AssignIfExists(key, out);
1120 }
1121
1122 // Specializations to handle const char* vs std::string.
1123 void AssignIfExists(Dex2oatArgumentMap& map,
1124 const Dex2oatArgumentMap::Key<std::string>& key,
1125 const char** out) {
1126 if (map.Exists(key)) {
1127 char_backing_storage_.push_front(std::move(*map.Get(key)));
1128 *out = char_backing_storage_.front().c_str();
1129 }
1130 }
1131 void AssignIfExists(Dex2oatArgumentMap& map,
1132 const Dex2oatArgumentMap::Key<std::vector<std::string>>& key,
1133 std::vector<const char*>* out) {
1134 if (map.Exists(key)) {
1135 for (auto& val : *map.Get(key)) {
1136 char_backing_storage_.push_front(std::move(val));
1137 out->push_back(char_backing_storage_.front().c_str());
1138 }
1139 }
1140 }
1141
1142 template <typename T>
1143 void AssignTrueIfExists(Dex2oatArgumentMap& map,
1144 const Dex2oatArgumentMap::Key<T>& key,
1145 bool* out) {
1146 if (map.Exists(key)) {
1147 *out = true;
1148 }
1149 }
1150
Roland Levillain9ec5e222015-08-17 20:18:41 +01001151 // Parse the arguments from the command line. In case of an unrecognized option or impossible
1152 // values/combinations, a usage error will be displayed and exit() is called. Thus, if the method
1153 // returns, arguments have been successfully parsed.
1154 void ParseArgs(int argc, char** argv) {
1155 original_argc = argc;
1156 original_argv = argv;
1157
David Sehrc431b9d2018-03-02 12:01:51 -08001158 Locks::Init();
Andreas Gampe51d80cc2017-06-21 21:05:13 -07001159 InitLogging(argv, Runtime::Abort);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001160
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001161 compiler_options_.reset(new CompilerOptions());
Roland Levillain9ec5e222015-08-17 20:18:41 +01001162
Andreas Gampe097f34c2017-08-23 08:57:51 -07001163 using M = Dex2oatArgumentMap;
1164 std::string error_msg;
1165 std::unique_ptr<M> args_uptr = M::Parse(argc, const_cast<const char**>(argv), &error_msg);
1166 if (args_uptr == nullptr) {
1167 Usage("Failed to parse command line: %s", error_msg.c_str());
1168 UNREACHABLE();
1169 }
1170
1171 M& args = *args_uptr;
1172
1173 std::unique_ptr<ParserOptions> parser_options(new ParserOptions());
1174
Mathieu Chartiereafe2a52017-10-19 15:29:42 -07001175 AssignIfExists(args, M::CompactDexLevel, &compact_dex_level_);
Andreas Gampe097f34c2017-08-23 08:57:51 -07001176 AssignIfExists(args, M::DexFiles, &dex_filenames_);
1177 AssignIfExists(args, M::DexLocations, &dex_locations_);
1178 AssignIfExists(args, M::OatFiles, &oat_filenames_);
1179 AssignIfExists(args, M::OatSymbols, &parser_options->oat_symbols);
1180 AssignIfExists(args, M::ImageFilenames, &image_filenames_);
1181 AssignIfExists(args, M::ZipFd, &zip_fd_);
1182 AssignIfExists(args, M::ZipLocation, &zip_location_);
1183 AssignIfExists(args, M::InputVdexFd, &input_vdex_fd_);
1184 AssignIfExists(args, M::OutputVdexFd, &output_vdex_fd_);
1185 AssignIfExists(args, M::InputVdex, &input_vdex_);
1186 AssignIfExists(args, M::OutputVdex, &output_vdex_);
Nicolas Geoffraybaeaa9b2018-01-26 14:31:17 +00001187 AssignIfExists(args, M::DmFd, &dm_fd_);
1188 AssignIfExists(args, M::DmFile, &dm_file_location_);
Andreas Gampe097f34c2017-08-23 08:57:51 -07001189 AssignIfExists(args, M::OatFd, &oat_fd_);
1190 AssignIfExists(args, M::OatLocation, &oat_location_);
1191 AssignIfExists(args, M::Watchdog, &parser_options->watch_dog_enabled);
1192 AssignIfExists(args, M::WatchdogTimeout, &parser_options->watch_dog_timeout_in_ms);
1193 AssignIfExists(args, M::Threads, &thread_count_);
1194 AssignIfExists(args, M::ImageClasses, &image_classes_filename_);
1195 AssignIfExists(args, M::ImageClassesZip, &image_classes_zip_filename_);
Andreas Gampe097f34c2017-08-23 08:57:51 -07001196 AssignIfExists(args, M::Passes, &passes_to_run_filename_);
1197 AssignIfExists(args, M::BootImage, &parser_options->boot_image_filename);
1198 AssignIfExists(args, M::AndroidRoot, &android_root_);
1199 AssignIfExists(args, M::Profile, &profile_file_);
1200 AssignIfExists(args, M::ProfileFd, &profile_file_fd_);
1201 AssignIfExists(args, M::RuntimeOptions, &runtime_args_);
1202 AssignIfExists(args, M::SwapFile, &swap_file_name_);
1203 AssignIfExists(args, M::SwapFileFd, &swap_fd_);
1204 AssignIfExists(args, M::SwapDexSizeThreshold, &min_dex_file_cumulative_size_for_swap_);
1205 AssignIfExists(args, M::SwapDexCountThreshold, &min_dex_files_for_swap_);
1206 AssignIfExists(args, M::VeryLargeAppThreshold, &very_large_threshold_);
1207 AssignIfExists(args, M::AppImageFile, &app_image_file_name_);
1208 AssignIfExists(args, M::AppImageFileFd, &app_image_fd_);
1209 AssignIfExists(args, M::NoInlineFrom, &no_inline_from_string_);
1210 AssignIfExists(args, M::ClasspathDir, &classpath_dir_);
1211 AssignIfExists(args, M::DirtyImageObjects, &dirty_image_objects_filename_);
1212 AssignIfExists(args, M::ImageFormat, &image_storage_mode_);
Calin Juravle0e09dfc2018-02-12 19:01:09 -08001213 AssignIfExists(args, M::CompilationReason, &compilation_reason_);
Andreas Gampe097f34c2017-08-23 08:57:51 -07001214
1215 AssignIfExists(args, M::Backend, &compiler_kind_);
1216 parser_options->requested_specific_compiler = args.Exists(M::Backend);
1217
1218 AssignIfExists(args, M::TargetInstructionSet, &instruction_set_);
1219 // arm actually means thumb2.
1220 if (instruction_set_ == InstructionSet::kArm) {
1221 instruction_set_ = InstructionSet::kThumb2;
1222 }
1223
1224 AssignTrueIfExists(args, M::Host, &is_host_);
Andreas Gampe097f34c2017-08-23 08:57:51 -07001225 AssignTrueIfExists(args, M::AvoidStoringInvocation, &avoid_storing_invocation_);
1226 AssignTrueIfExists(args, M::MultiImage, &multi_image_);
Mathieu Chartier792111c2018-02-15 13:02:15 -08001227 AssignIfExists(args, M::CopyDexFiles, &copy_dex_files_);
Andreas Gampe097f34c2017-08-23 08:57:51 -07001228
1229 if (args.Exists(M::ForceDeterminism)) {
1230 if (!SupportsDeterministicCompilation()) {
1231 Usage("Option --force-determinism requires read barriers or a CMS/MS garbage collector");
Roland Levillain9ec5e222015-08-17 20:18:41 +01001232 }
Andreas Gampe097f34c2017-08-23 08:57:51 -07001233 force_determinism_ = true;
1234 }
1235
1236 if (args.Exists(M::Base)) {
1237 ParseBase(*args.Get(M::Base));
1238 }
1239 if (args.Exists(M::TargetInstructionSetVariant)) {
1240 ParseInstructionSetVariant(*args.Get(M::TargetInstructionSetVariant), parser_options.get());
1241 }
1242 if (args.Exists(M::TargetInstructionSetFeatures)) {
1243 ParseInstructionSetFeatures(*args.Get(M::TargetInstructionSetFeatures), parser_options.get());
1244 }
1245 if (args.Exists(M::ClassLoaderContext)) {
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07001246 std::string class_loader_context_arg = *args.Get(M::ClassLoaderContext);
1247 class_loader_context_ = ClassLoaderContext::Create(class_loader_context_arg);
Andreas Gampe097f34c2017-08-23 08:57:51 -07001248 if (class_loader_context_ == nullptr) {
1249 Usage("Option --class-loader-context has an incorrect format: %s",
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07001250 class_loader_context_arg.c_str());
Roland Levillain9ec5e222015-08-17 20:18:41 +01001251 }
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07001252 if (args.Exists(M::StoredClassLoaderContext)) {
Mathieu Chartierc4440772018-04-16 14:40:56 -07001253 const std::string stored_context_arg = *args.Get(M::StoredClassLoaderContext);
1254 stored_class_loader_context_ = ClassLoaderContext::Create(stored_context_arg);
1255 if (stored_class_loader_context_ == nullptr) {
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07001256 Usage("Option --stored-class-loader-context has an incorrect format: %s",
Mathieu Chartierc4440772018-04-16 14:40:56 -07001257 stored_context_arg.c_str());
Vladimir Markod8860b42018-05-02 14:58:12 +01001258 } else if (class_loader_context_->VerifyClassLoaderContextMatch(
Mathieu Chartierc4440772018-04-16 14:40:56 -07001259 stored_context_arg,
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07001260 /*verify_names*/ false,
Vladimir Markod8860b42018-05-02 14:58:12 +01001261 /*verify_checksums*/ false) != ClassLoaderContext::VerificationResult::kVerifies) {
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07001262 Usage(
1263 "Option --stored-class-loader-context '%s' mismatches --class-loader-context '%s'",
Mathieu Chartierc4440772018-04-16 14:40:56 -07001264 stored_context_arg.c_str(),
1265 class_loader_context_arg.c_str());
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07001266 }
1267 }
1268 } else if (args.Exists(M::StoredClassLoaderContext)) {
1269 Usage("Option --stored-class-loader-context should only be used if "
1270 "--class-loader-context is also specified");
Roland Levillain9ec5e222015-08-17 20:18:41 +01001271 }
1272
Andreas Gampe097f34c2017-08-23 08:57:51 -07001273 if (!ReadCompilerOptions(args, compiler_options_.get(), &error_msg)) {
1274 Usage(error_msg.c_str());
1275 }
1276
Jeff Hao436183f2016-01-12 16:36:50 -08001277 ProcessOptions(parser_options.get());
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001278
1279 // Insert some compiler things.
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001280 InsertCompileOptions(argc, argv);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001281 }
1282
Jeff Haodcdc85b2015-12-04 14:06:18 -08001283 // Check whether the oat output files are writable, and open them for later. Also open a swap
1284 // file, if a name is given.
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001285 bool OpenFile() {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001286 // Prune non-existent dex files now so that we don't create empty oat files for multi-image.
1287 PruneNonExistentDexFiles();
1288
Jeff Hao436183f2016-01-12 16:36:50 -08001289 // Expand oat and image filenames for multi image.
1290 if (IsBootImage() && multi_image_) {
1291 ExpandOatAndImageFilenames();
1292 }
1293
David Brazdil7b49e6c2016-09-01 11:06:18 +01001294 // OAT and VDEX file handling
David Brazdil7b49e6c2016-09-01 11:06:18 +01001295 if (oat_fd_ == -1) {
1296 DCHECK(!oat_filenames_.empty());
Jeff Haodcdc85b2015-12-04 14:06:18 -08001297 for (const char* oat_filename : oat_filenames_) {
1298 std::unique_ptr<File> oat_file(OS::CreateEmptyFile(oat_filename));
Calin Juravleb09be722017-09-25 16:42:48 -07001299 if (oat_file == nullptr) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001300 PLOG(ERROR) << "Failed to create oat file: " << oat_filename;
1301 return false;
1302 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01001303 if (fchmod(oat_file->Fd(), 0644) != 0) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001304 PLOG(ERROR) << "Failed to make oat file world readable: " << oat_filename;
1305 oat_file->Erase();
1306 return false;
1307 }
1308 oat_files_.push_back(std::move(oat_file));
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00001309 DCHECK_EQ(input_vdex_fd_, -1);
1310 if (!input_vdex_.empty()) {
1311 std::string error_msg;
Richard Uhlerb8ab63a2017-01-31 11:27:37 +00001312 input_vdex_file_ = VdexFile::Open(input_vdex_,
1313 /* writable */ false,
1314 /* low_4gb */ false,
Nicolas Geoffray1cfea7a2017-05-24 14:44:38 +01001315 DoEagerUnquickeningOfVdex(),
Richard Uhlerb8ab63a2017-01-31 11:27:37 +00001316 &error_msg);
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00001317 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01001318
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +00001319 DCHECK_EQ(output_vdex_fd_, -1);
Nicolas Geoffray4e868fa2017-04-21 17:16:44 +01001320 std::string vdex_filename = output_vdex_.empty()
1321 ? ReplaceFileExtension(oat_filename, "vdex")
1322 : output_vdex_;
1323 if (vdex_filename == input_vdex_ && output_vdex_.empty()) {
Nicolas Geoffray81f57d12016-12-20 13:17:09 +00001324 update_input_vdex_ = true;
1325 std::unique_ptr<File> vdex_file(OS::OpenFileReadWrite(vdex_filename.c_str()));
1326 vdex_files_.push_back(std::move(vdex_file));
1327 } else {
1328 std::unique_ptr<File> vdex_file(OS::CreateEmptyFile(vdex_filename.c_str()));
Calin Juravleb09be722017-09-25 16:42:48 -07001329 if (vdex_file == nullptr) {
Nicolas Geoffray81f57d12016-12-20 13:17:09 +00001330 PLOG(ERROR) << "Failed to open vdex file: " << vdex_filename;
1331 return false;
1332 }
1333 if (fchmod(vdex_file->Fd(), 0644) != 0) {
1334 PLOG(ERROR) << "Failed to make vdex file world readable: " << vdex_filename;
1335 vdex_file->Erase();
1336 return false;
1337 }
1338 vdex_files_.push_back(std::move(vdex_file));
David Brazdil7b49e6c2016-09-01 11:06:18 +01001339 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001340 }
1341 } else {
David Brazdil7b49e6c2016-09-01 11:06:18 +01001342 std::unique_ptr<File> oat_file(new File(oat_fd_, oat_location_, /* check_usage */ true));
Calin Juravleb09be722017-09-25 16:42:48 -07001343 if (oat_file == nullptr) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001344 PLOG(ERROR) << "Failed to create oat file: " << oat_location_;
1345 return false;
1346 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01001347 oat_file->DisableAutoClose();
1348 if (oat_file->SetLength(0) != 0) {
1349 PLOG(WARNING) << "Truncating oat file " << oat_location_ << " failed.";
Calin Juravleb09be722017-09-25 16:42:48 -07001350 oat_file->Erase();
1351 return false;
David Brazdil7b49e6c2016-09-01 11:06:18 +01001352 }
1353 oat_files_.push_back(std::move(oat_file));
1354
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00001355 if (input_vdex_fd_ != -1) {
1356 struct stat s;
1357 int rc = TEMP_FAILURE_RETRY(fstat(input_vdex_fd_, &s));
1358 if (rc == -1) {
1359 PLOG(WARNING) << "Failed getting length of vdex file";
1360 } else {
1361 std::string error_msg;
Richard Uhlerb8ab63a2017-01-31 11:27:37 +00001362 input_vdex_file_ = VdexFile::Open(input_vdex_fd_,
1363 s.st_size,
1364 "vdex",
1365 /* writable */ false,
1366 /* low_4gb */ false,
Nicolas Geoffray1cfea7a2017-05-24 14:44:38 +01001367 DoEagerUnquickeningOfVdex(),
Richard Uhlerb8ab63a2017-01-31 11:27:37 +00001368 &error_msg);
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00001369 // If there's any problem with the passed vdex, just warn and proceed
1370 // without it.
1371 if (input_vdex_file_ == nullptr) {
Richard Uhlerb8ab63a2017-01-31 11:27:37 +00001372 PLOG(WARNING) << "Failed opening vdex file: " << error_msg;
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00001373 }
1374 }
1375 }
1376
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +00001377 DCHECK_NE(output_vdex_fd_, -1);
David Brazdil7b49e6c2016-09-01 11:06:18 +01001378 std::string vdex_location = ReplaceFileExtension(oat_location_, "vdex");
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +00001379 std::unique_ptr<File> vdex_file(new File(output_vdex_fd_, vdex_location, /* check_usage */ true));
Calin Juravleb09be722017-09-25 16:42:48 -07001380 if (vdex_file == nullptr) {
David Brazdil7b49e6c2016-09-01 11:06:18 +01001381 PLOG(ERROR) << "Failed to create vdex file: " << vdex_location;
Jeff Haodcdc85b2015-12-04 14:06:18 -08001382 return false;
1383 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01001384 vdex_file->DisableAutoClose();
Nicolas Geoffray81f57d12016-12-20 13:17:09 +00001385 if (input_vdex_file_ != nullptr && output_vdex_fd_ == input_vdex_fd_) {
1386 update_input_vdex_ = true;
1387 } else {
1388 if (vdex_file->SetLength(0) != 0) {
1389 PLOG(ERROR) << "Truncating vdex file " << vdex_location << " failed.";
Calin Juravleb09be722017-09-25 16:42:48 -07001390 vdex_file->Erase();
Nicolas Geoffray81f57d12016-12-20 13:17:09 +00001391 return false;
1392 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01001393 }
1394 vdex_files_.push_back(std::move(vdex_file));
1395
Jeff Haodcdc85b2015-12-04 14:06:18 -08001396 oat_filenames_.push_back(oat_location_.c_str());
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001397 }
Andreas Gampee21dc3d2014-12-08 16:59:43 -08001398
Nicolas Geoffray36930ec2017-05-09 13:23:34 +01001399 // If we're updating in place a vdex file, be defensive and put an invalid vdex magic in case
1400 // dex2oat gets killed.
1401 // Note: we're only invalidating the magic data in the file, as dex2oat needs the rest of
1402 // the information to remain valid.
1403 if (update_input_vdex_) {
Vladimir Marko74527972016-11-29 15:57:32 +00001404 std::unique_ptr<linker::BufferedOutputStream> vdex_out =
1405 std::make_unique<linker::BufferedOutputStream>(
1406 std::make_unique<linker::FileOutputStream>(vdex_files_.back().get()));
Nicolas Geoffray3a293552018-03-02 10:52:16 +00001407 if (!vdex_out->WriteFully(&VdexFile::VerifierDepsHeader::kVdexInvalidMagic,
1408 arraysize(VdexFile::VerifierDepsHeader::kVdexInvalidMagic))) {
Nicolas Geoffray36930ec2017-05-09 13:23:34 +01001409 PLOG(ERROR) << "Failed to invalidate vdex header. File: " << vdex_out->GetLocation();
1410 return false;
1411 }
1412
1413 if (!vdex_out->Flush()) {
1414 PLOG(ERROR) << "Failed to flush stream after invalidating header of vdex file."
1415 << " File: " << vdex_out->GetLocation();
1416 return false;
1417 }
1418 }
1419
Nicolas Geoffraybaeaa9b2018-01-26 14:31:17 +00001420 if (dm_fd_ != -1 || !dm_file_location_.empty()) {
1421 std::string error_msg;
1422 if (dm_fd_ != -1) {
1423 dm_file_.reset(ZipArchive::OpenFromFd(dm_fd_, "DexMetadata", &error_msg));
1424 } else {
1425 dm_file_.reset(ZipArchive::Open(dm_file_location_.c_str(), &error_msg));
1426 }
1427 if (dm_file_ == nullptr) {
1428 LOG(WARNING) << "Could not open DexMetadata archive " << error_msg;
1429 }
1430 }
1431
1432 if (dm_file_ != nullptr) {
1433 DCHECK(input_vdex_file_ == nullptr);
1434 std::string error_msg;
1435 static const char* kDexMetadata = "DexMetadata";
1436 std::unique_ptr<ZipEntry> zip_entry(dm_file_->Find(VdexFile::kVdexNameInDmFile, &error_msg));
1437 if (zip_entry == nullptr) {
1438 LOG(INFO) << "No " << VdexFile::kVdexNameInDmFile << " file in DexMetadata archive. "
1439 << "Not doing fast verification.";
1440 } else {
Mathieu Chartier792111c2018-02-15 13:02:15 -08001441 std::unique_ptr<MemMap> input_file(zip_entry->MapDirectlyOrExtract(
1442 VdexFile::kVdexNameInDmFile,
1443 kDexMetadata,
1444 &error_msg));
Nicolas Geoffraybaeaa9b2018-01-26 14:31:17 +00001445 if (input_file == nullptr) {
1446 LOG(WARNING) << "Could not open vdex file in DexMetadata archive: " << error_msg;
1447 } else {
1448 input_vdex_file_ = std::make_unique<VdexFile>(input_file.release());
1449 }
1450 }
1451 }
1452
David Brazdil7b49e6c2016-09-01 11:06:18 +01001453 // Swap file handling
Andreas Gampee21dc3d2014-12-08 16:59:43 -08001454 //
1455 // If the swap fd is not -1, we assume this is the file descriptor of an open but unlinked file
1456 // that we can use for swap.
1457 //
1458 // If the swap fd is -1 and we have a swap-file string, open the given file as a swap file. We
1459 // will immediately unlink to satisfy the swap fd assumption.
1460 if (swap_fd_ == -1 && !swap_file_name_.empty()) {
1461 std::unique_ptr<File> swap_file(OS::CreateEmptyFile(swap_file_name_.c_str()));
1462 if (swap_file.get() == nullptr) {
1463 PLOG(ERROR) << "Failed to create swap file: " << swap_file_name_;
1464 return false;
1465 }
1466 swap_fd_ = swap_file->Fd();
1467 swap_file->MarkUnchecked(); // We don't we to track this, it will be unlinked immediately.
1468 swap_file->DisableAutoClose(); // We'll handle it ourselves, the File object will be
1469 // released immediately.
1470 unlink(swap_file_name_.c_str());
1471 }
Jeff Hao436183f2016-01-12 16:36:50 -08001472
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001473 return true;
1474 }
1475
David Brazdil7b49e6c2016-09-01 11:06:18 +01001476 void EraseOutputFiles() {
1477 for (auto& files : { &vdex_files_, &oat_files_ }) {
1478 for (size_t i = 0; i < files->size(); ++i) {
1479 if ((*files)[i].get() != nullptr) {
1480 (*files)[i]->Erase();
1481 (*files)[i].reset();
1482 }
1483 }
Jeff Haodcdc85b2015-12-04 14:06:18 -08001484 }
Andreas Gampea650e702014-12-03 14:28:02 -08001485 }
1486
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08001487 void LoadClassProfileDescriptors() {
Mathieu Chartierf85b3db2018-04-02 18:16:21 -07001488 if (!IsImage()) {
1489 return;
1490 }
Mathieu Chartierf85b3db2018-04-02 18:16:21 -07001491 if (profile_compilation_info_ != nullptr) {
Vladimir Markodc4bcce2018-06-21 16:15:42 +01001492 // TODO: The following comment looks outdated or misplaced.
Mathieu Chartier0b490842016-05-25 15:05:59 -07001493 // Filter out class path classes since we don't want to include these in the image.
Vladimir Markodc4bcce2018-06-21 16:15:42 +01001494 HashSet<std::string> image_classes =
1495 profile_compilation_info_->GetClassDescriptors(dex_files_);
1496 VLOG(compiler) << "Loaded " << image_classes.size()
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08001497 << " image class descriptors from profile";
1498 if (VLOG_IS_ON(compiler)) {
Vladimir Markodc4bcce2018-06-21 16:15:42 +01001499 for (const std::string& s : image_classes) {
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08001500 LOG(INFO) << "Image class " << s;
1501 }
1502 }
Vladimir Markodc4bcce2018-06-21 16:15:42 +01001503 // Note: If we have a profile, classes previously loaded for the --image-classes
1504 // option are overwritten here.
1505 compiler_options_->image_classes_.swap(image_classes);
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08001506 }
1507 }
1508
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001509 // Set up the environment for compilation. Includes starting the runtime and loading/opening the
1510 // boot class path.
Andreas Gampef7882972017-03-20 16:35:24 -07001511 dex2oat::ReturnCode Setup() {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001512 TimingLogger::ScopedTiming t("dex2oat Setup", timings_);
Vladimir Marko49b0f452015-12-10 13:49:19 +00001513
Andreas Gampebd600e32018-04-12 14:25:39 -07001514 if (!PrepareImageClasses() || !PrepareDirtyObjects()) {
Andreas Gampef7882972017-03-20 16:35:24 -07001515 return dex2oat::ReturnCode::kOther;
Brian Carlstrom7940e442013-07-12 13:46:57 -07001516 }
Brian Carlstromd76e0832013-08-29 15:17:42 -07001517
Mathieu Chartiere01b6f62017-07-19 16:55:04 -07001518 // Verification results are null since we don't know if we will need them yet as the compler
1519 // filter may change.
Andreas Gampe4585f872015-03-27 23:45:15 -07001520 callbacks_.reset(new QuickCompilerCallbacks(
Mathieu Chartiera90c7722015-10-29 15:41:36 -07001521 IsBootImage() ?
Andreas Gampe4585f872015-03-27 23:45:15 -07001522 CompilerCallbacks::CallbackMode::kCompileBootImage :
1523 CompilerCallbacks::CallbackMode::kCompileApp));
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001524
Vladimir Marko49b0f452015-12-10 13:49:19 +00001525 RuntimeArgumentMap runtime_options;
Mathieu Chartier46331a62017-07-21 09:49:10 -07001526 if (!PrepareRuntimeOptions(&runtime_options, callbacks_.get())) {
Andreas Gampef7882972017-03-20 16:35:24 -07001527 return dex2oat::ReturnCode::kOther;
Andreas Gampe1d00add2015-02-27 19:35:46 -08001528 }
1529
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001530 CreateOatWriters();
1531 if (!AddDexFileSources()) {
Andreas Gampef7882972017-03-20 16:35:24 -07001532 return dex2oat::ReturnCode::kOther;
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001533 }
1534
Calin Juravle0e09dfc2018-02-12 19:01:09 -08001535 if (!compilation_reason_.empty()) {
1536 key_value_store_->Put(OatHeader::kCompilationReasonKey, compilation_reason_);
1537 }
1538
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001539 if (IsBootImage() && image_filenames_.size() > 1) {
1540 // If we're compiling the boot image, store the boot classpath into the Key-Value store.
1541 // We need this for the multi-image case.
Mathieu Chartier866d8742016-09-21 15:24:18 -07001542 key_value_store_->Put(OatHeader::kBootClassPathKey,
1543 gc::space::ImageSpace::GetMultiImageBootClassPath(dex_locations_,
1544 oat_filenames_,
1545 image_filenames_));
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001546 }
1547
1548 if (!IsBootImage()) {
1549 // When compiling an app, create the runtime early to retrieve
1550 // the image location key needed for the oat header.
1551 if (!CreateRuntime(std::move(runtime_options))) {
Andreas Gampef7882972017-03-20 16:35:24 -07001552 return dex2oat::ReturnCode::kCreateRuntime;
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001553 }
1554
Andreas Gampe29d38e72016-03-23 15:31:51 +00001555 if (CompilerFilter::DependsOnImageChecksum(compiler_options_->GetCompilerFilter())) {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001556 TimingLogger::ScopedTiming t3("Loading image checksum", timings_);
1557 std::vector<gc::space::ImageSpace*> image_spaces =
1558 Runtime::Current()->GetHeap()->GetBootImageSpaces();
Richard Uhlerbc26b722017-03-10 14:27:10 +00001559 image_file_location_oat_checksum_ = image_spaces[0]->GetImageHeader().GetOatChecksum();
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001560 image_file_location_oat_data_begin_ =
1561 reinterpret_cast<uintptr_t>(image_spaces[0]->GetImageHeader().GetOatDataBegin());
1562 image_patch_delta_ = image_spaces[0]->GetImageHeader().GetPatchDelta();
1563 // Store the boot image filename(s).
1564 std::vector<std::string> image_filenames;
1565 for (const gc::space::ImageSpace* image_space : image_spaces) {
1566 image_filenames.push_back(image_space->GetImageFilename());
1567 }
Andreas Gampe9186ced2016-12-12 14:28:21 -08001568 std::string image_file_location = android::base::Join(image_filenames, ':');
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001569 if (!image_file_location.empty()) {
1570 key_value_store_->Put(OatHeader::kImageLocationKey, image_file_location);
1571 }
Andreas Gampe29d38e72016-03-23 15:31:51 +00001572 } else {
1573 image_file_location_oat_checksum_ = 0u;
1574 image_file_location_oat_data_begin_ = 0u;
1575 image_patch_delta_ = 0;
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001576 }
1577
1578 // Open dex files for class path.
Calin Juravle19915892017-08-03 17:10:36 +00001579
Calin Juravle1ce70852017-06-28 10:59:03 -07001580 if (class_loader_context_ == nullptr) {
Calin Juravle19915892017-08-03 17:10:36 +00001581 // If no context was specified use the default one (which is an empty PathClassLoader).
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07001582 class_loader_context_ = ClassLoaderContext::Default();
Jeff Haof0192c82016-03-28 20:39:50 -07001583 }
Calin Juravle19915892017-08-03 17:10:36 +00001584
Calin Juravle1ce70852017-06-28 10:59:03 -07001585 DCHECK_EQ(oat_writers_.size(), 1u);
1586
1587 // Note: Ideally we would reject context where the source dex files are also
1588 // specified in the classpath (as it doesn't make sense). However this is currently
1589 // needed for non-prebuild tests and benchmarks which expects on the fly compilation.
1590 // Also, for secondary dex files we do not have control on the actual classpath.
1591 // Instead of aborting, remove all the source location from the context classpaths.
1592 if (class_loader_context_->RemoveLocationsFromClassPaths(
1593 oat_writers_[0]->GetSourceLocations())) {
1594 LOG(WARNING) << "The source files to be compiled are also in the classpath.";
1595 }
1596
1597 // We need to open the dex files before encoding the context in the oat file.
1598 // (because the encoding adds the dex checksum...)
1599 // TODO(calin): consider redesigning this so we don't have to open the dex files before
1600 // creating the actual class loader.
1601 if (!class_loader_context_->OpenDexFiles(runtime_->GetInstructionSet(), classpath_dir_)) {
1602 // Do not abort if we couldn't open files from the classpath. They might be
1603 // apks without dex files and right now are opening flow will fail them.
1604 LOG(WARNING) << "Failed to open classpath dex files";
1605 }
1606
1607 // Store the class loader context in the oat header.
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07001608 // TODO: deprecate this since store_class_loader_context should be enough to cover the users
1609 // of classpath_dir as well.
Mathieu Chartierc4440772018-04-16 14:40:56 -07001610 std::string class_path_key =
1611 class_loader_context_->EncodeContextForOatFile(classpath_dir_,
1612 stored_class_loader_context_.get());
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07001613 key_value_store_->Put(OatHeader::kClassPathKey, class_path_key);
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001614 }
1615
1616 // Now that we have finalized key_value_store_, start writing the oat file.
Andreas Gampec7ae55d2015-09-15 20:04:54 -07001617 {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001618 TimingLogger::ScopedTiming t_dex("Writing and opening dex files", timings_);
1619 rodata_.reserve(oat_writers_.size());
1620 for (size_t i = 0, size = oat_writers_.size(); i != size; ++i) {
1621 rodata_.push_back(elf_writers_[i]->StartRoData());
1622 // Unzip or copy dex files straight to the oat file.
Nicolas Geoffrayf3075272018-01-08 12:41:19 +00001623 std::vector<std::unique_ptr<MemMap>> opened_dex_files_map;
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001624 std::vector<std::unique_ptr<const DexFile>> opened_dex_files;
Mathieu Chartierd45863a2018-03-21 18:16:36 -07001625 // No need to verify the dex file when we have a vdex file, which means it was already
1626 // verified.
1627 const bool verify = (input_vdex_file_ == nullptr);
David Brazdil7b49e6c2016-09-01 11:06:18 +01001628 if (!oat_writers_[i]->WriteAndOpenDexFiles(
Nicolas Geoffray8eaa8e52017-11-13 17:47:50 +00001629 vdex_files_[i].get(),
David Brazdil7b49e6c2016-09-01 11:06:18 +01001630 rodata_.back(),
1631 instruction_set_,
1632 instruction_set_features_.get(),
1633 key_value_store_.get(),
Jeff Hao042e8982016-10-19 11:17:11 -07001634 verify,
Nicolas Geoffray81f57d12016-12-20 13:17:09 +00001635 update_input_vdex_,
Mathieu Chartier792111c2018-02-15 13:02:15 -08001636 copy_dex_files_,
David Brazdil7b49e6c2016-09-01 11:06:18 +01001637 &opened_dex_files_map,
1638 &opened_dex_files)) {
Andreas Gampef7882972017-03-20 16:35:24 -07001639 return dex2oat::ReturnCode::kOther;
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001640 }
1641 dex_files_per_oat_file_.push_back(MakeNonOwningPointerVector(opened_dex_files));
Nicolas Geoffrayf3075272018-01-08 12:41:19 +00001642 if (opened_dex_files_map.empty()) {
1643 DCHECK(opened_dex_files.empty());
1644 } else {
1645 for (std::unique_ptr<MemMap>& map : opened_dex_files_map) {
1646 opened_dex_files_maps_.push_back(std::move(map));
1647 }
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001648 for (std::unique_ptr<const DexFile>& dex_file : opened_dex_files) {
Vladimir Marko944da602016-02-19 12:27:55 +00001649 dex_file_oat_index_map_.emplace(dex_file.get(), i);
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001650 opened_dex_files_.push_back(std::move(dex_file));
1651 }
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001652 }
1653 }
1654 }
1655
1656 dex_files_ = MakeNonOwningPointerVector(opened_dex_files_);
Andreas Gampe7386da42016-06-08 18:18:47 -07001657
Mathieu Chartiere01b6f62017-07-19 16:55:04 -07001658 // If we need to downgrade the compiler-filter for size reasons.
1659 if (!IsBootImage() && IsVeryLarge(dex_files_)) {
Mathieu Chartier8cce65a2017-08-17 00:06:39 -07001660 // Disable app image to make sure dex2oat unloading is enabled.
1661 compiler_options_->DisableAppImage();
1662
Mathieu Chartier72041a02017-07-14 18:23:25 -07001663 // If we need to downgrade the compiler-filter for size reasons, do that early before we read
1664 // it below for creating verification callbacks.
Mathieu Chartiere01b6f62017-07-19 16:55:04 -07001665 if (!CompilerFilter::IsAsGoodAs(kLargeAppFilter, compiler_options_->GetCompilerFilter())) {
1666 LOG(INFO) << "Very large app, downgrading to verify.";
1667 // Note: this change won't be reflected in the key-value store, as that had to be
1668 // finalized before loading the dex files. This setup is currently required
1669 // to get the size from the DexFile objects.
1670 // TODO: refactor. b/29790079
1671 compiler_options_->SetCompilerFilter(kLargeAppFilter);
1672 }
1673 }
1674
1675 if (CompilerFilter::IsAnyCompilationEnabled(compiler_options_->GetCompilerFilter())) {
1676 // Only modes with compilation require verification results, do this here instead of when we
1677 // create the compilation callbacks since the compilation mode may have been changed by the
1678 // very large app logic.
1679 // Avoiding setting the verification results saves RAM by not adding the dex files later in
1680 // the function.
1681 verification_results_.reset(new VerificationResults(compiler_options_.get()));
1682 callbacks_->SetVerificationResults(verification_results_.get());
1683 }
1684
Andreas Gampe7386da42016-06-08 18:18:47 -07001685 // We had to postpone the swap decision till now, as this is the point when we actually
1686 // know about the dex files we're going to use.
1687
1688 // Make sure that we didn't create the driver, yet.
1689 CHECK(driver_ == nullptr);
1690 // If we use a swap file, ensure we are above the threshold to make it necessary.
1691 if (swap_fd_ != -1) {
1692 if (!UseSwap(IsBootImage(), dex_files_)) {
1693 close(swap_fd_);
1694 swap_fd_ = -1;
1695 VLOG(compiler) << "Decided to run without swap.";
1696 } else {
1697 LOG(INFO) << "Large app, accepted running with swap.";
1698 }
1699 }
1700 // Note that dex2oat won't close the swap_fd_. The compiler driver's swap space will do that.
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001701 if (IsBootImage()) {
1702 // For boot image, pass opened dex files to the Runtime::Create().
1703 // Note: Runtime acquires ownership of these dex files.
1704 runtime_options.Set(RuntimeArgumentMap::BootClassPathDexList, &opened_dex_files_);
Vladimir Marko49b0f452015-12-10 13:49:19 +00001705 if (!CreateRuntime(std::move(runtime_options))) {
Andreas Gampef7882972017-03-20 16:35:24 -07001706 return dex2oat::ReturnCode::kOther;
Andreas Gampec7ae55d2015-09-15 20:04:54 -07001707 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001708 }
1709
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001710 // If we're doing the image, override the compiler filter to force full compilation. Must be
1711 // done ahead of WellKnownClasses::Init that causes verification. Note: doesn't force
1712 // compilation of class initializers.
1713 // Whilst we're in native take the opportunity to initialize well known classes.
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001714 Thread* self = Thread::Current();
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001715 WellKnownClasses::Init(self->GetJniEnv());
1716
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001717 if (!IsBootImage()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001718 constexpr bool kSaveDexInput = false;
1719 if (kSaveDexInput) {
Vladimir Marko49b0f452015-12-10 13:49:19 +00001720 SaveDexInput();
Brian Carlstromf79fccb2014-02-20 08:55:10 -08001721 }
1722 }
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001723
1724 // Ensure opened dex files are writable for dex-to-dex transformations.
1725 for (const std::unique_ptr<MemMap>& map : opened_dex_files_maps_) {
1726 if (!map->Protect(PROT_READ | PROT_WRITE)) {
1727 PLOG(ERROR) << "Failed to make .dex files writeable.";
Andreas Gampef7882972017-03-20 16:35:24 -07001728 return dex2oat::ReturnCode::kOther;
Vladimir Marko919f5532016-01-20 19:13:01 +00001729 }
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001730 }
1731
Mathieu Chartier72041a02017-07-14 18:23:25 -07001732 // Verification results are only required for modes that have any compilation. Avoid
1733 // adding the dex files if possible to prevent allocating large arrays.
1734 if (verification_results_ != nullptr) {
1735 for (const auto& dex_file : dex_files_) {
1736 // Pre-register dex files so that we can access verification results without locks during
1737 // compilation and verification.
Mathieu Chartier0733dc82017-07-17 14:05:28 -07001738 verification_results_->AddDexFile(dex_file);
1739 }
Andreas Gampe22f8e5c2014-07-09 11:38:21 -07001740 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001741
Andreas Gampef7882972017-03-20 16:35:24 -07001742 return dex2oat::ReturnCode::kNoFailure;
Andreas Gampe22f8e5c2014-07-09 11:38:21 -07001743 }
Andreas Gampe22f8e5c2014-07-09 11:38:21 -07001744
Mathieu Chartierfbc31082016-01-24 11:59:56 -08001745 // If we need to keep the oat file open for the image writer.
1746 bool ShouldKeepOatFileOpen() const {
1747 return IsImage() && oat_fd_ != kInvalidFd;
1748 }
1749
Mathieu Chartier72041a02017-07-14 18:23:25 -07001750 // Doesn't return the class loader since it's not meant to be used for image compilation.
1751 void CompileDexFilesIndividually() {
1752 CHECK(!IsImage()) << "Not supported with image";
1753 for (const DexFile* dex_file : dex_files_) {
1754 std::vector<const DexFile*> dex_files(1u, dex_file);
1755 VLOG(compiler) << "Compiling " << dex_file->GetLocation();
1756 jobject class_loader = CompileDexFiles(dex_files);
1757 CHECK(class_loader != nullptr);
1758 ScopedObjectAccess soa(Thread::Current());
1759 // Unload class loader to free RAM.
Ian Rogers55256cb2017-12-21 17:07:11 -08001760 jweak weak_class_loader = soa.Env()->GetVm()->AddWeakGlobalRef(
Mathieu Chartier72041a02017-07-14 18:23:25 -07001761 soa.Self(),
1762 soa.Decode<mirror::ClassLoader>(class_loader));
Ian Rogers55256cb2017-12-21 17:07:11 -08001763 soa.Env()->GetVm()->DeleteGlobalRef(soa.Self(), class_loader);
Roland Levillainaf290312018-02-27 20:02:17 +00001764 runtime_->GetHeap()->CollectGarbage(/* clear_soft_references */ true);
Mathieu Chartier72041a02017-07-14 18:23:25 -07001765 ObjPtr<mirror::ClassLoader> decoded_weak = soa.Decode<mirror::ClassLoader>(weak_class_loader);
1766 if (decoded_weak != nullptr) {
1767 LOG(FATAL) << "Failed to unload class loader, path from root set: "
1768 << runtime_->GetHeap()->GetVerification()->FirstPathFromRootSet(decoded_weak);
1769 }
1770 VLOG(compiler) << "Unloaded classloader";
1771 }
1772 }
1773
1774 bool ShouldCompileDexFilesIndividually() const {
Nicolas Geoffraya6fc7872017-08-14 11:29:22 +01001775 // Compile individually if we are:
1776 // 1. not building an image,
1777 // 2. not verifying a vdex file,
1778 // 3. using multidex,
1779 // 4. not doing any AOT compilation.
1780 // This means extract, no-vdex verify, and quicken, will use the individual compilation
1781 // mode (to reduce RAM used by the compiler).
Mathieu Chartier72041a02017-07-14 18:23:25 -07001782 return !IsImage() &&
Nicolas Geoffraya6fc7872017-08-14 11:29:22 +01001783 !update_input_vdex_ &&
Mathieu Chartier72041a02017-07-14 18:23:25 -07001784 dex_files_.size() > 1 &&
Mathieu Chartier6a2b67b2017-08-08 15:09:29 -07001785 !CompilerFilter::IsAotCompilationEnabled(compiler_options_->GetCompilerFilter());
Mathieu Chartier72041a02017-07-14 18:23:25 -07001786 }
1787
1788 // Set up and create the compiler driver and then invoke it to compile all the dex files.
1789 jobject Compile() {
1790 ClassLinker* const class_linker = Runtime::Current()->GetClassLinker();
1791
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001792 TimingLogger::ScopedTiming t("dex2oat Compile", timings_);
Vladimir Markof4da6752014-08-01 19:04:18 +01001793
Vladimir Marko47496c22016-01-27 16:15:08 +00001794 // Find the dex files we should not inline from.
Vladimir Marko47496c22016-01-27 16:15:08 +00001795 std::vector<std::string> no_inline_filters;
1796 Split(no_inline_from_string_, ',', &no_inline_filters);
Jeff Haodcdc85b2015-12-04 14:06:18 -08001797
1798 // For now, on the host always have core-oj removed.
Vladimir Marko47496c22016-01-27 16:15:08 +00001799 const std::string core_oj = "core-oj";
1800 if (!kIsTargetBuild && !ContainsElement(no_inline_filters, core_oj)) {
1801 no_inline_filters.push_back(core_oj);
Jeff Haodcdc85b2015-12-04 14:06:18 -08001802 }
1803
Vladimir Marko47496c22016-01-27 16:15:08 +00001804 if (!no_inline_filters.empty()) {
Calin Juravle1ce70852017-06-28 10:59:03 -07001805 std::vector<const DexFile*> class_path_files;
1806 if (!IsBootImage()) {
1807 // The class loader context is used only for apps.
1808 class_path_files = class_loader_context_->FlattenOpenedDexFiles();
1809 }
1810
Vladimir Markodc4bcce2018-06-21 16:15:42 +01001811 std::vector<const DexFile*> no_inline_from_dex_files;
Jeff Haodcdc85b2015-12-04 14:06:18 -08001812 std::vector<const std::vector<const DexFile*>*> dex_file_vectors = {
1813 &class_linker->GetBootClassPath(),
1814 &class_path_files,
1815 &dex_files_
1816 };
1817 for (const std::vector<const DexFile*>* dex_file_vector : dex_file_vectors) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001818 for (const DexFile* dex_file : *dex_file_vector) {
Vladimir Marko47496c22016-01-27 16:15:08 +00001819 for (const std::string& filter : no_inline_filters) {
1820 // Use dex_file->GetLocation() rather than dex_file->GetBaseLocation(). This
Calin Juravlea308a322017-07-18 16:51:51 -07001821 // allows tests to specify <test-dexfile>!classes2.dex if needed but if the
Vladimir Marko47496c22016-01-27 16:15:08 +00001822 // base location passes the StartsWith() test, so do all extra locations.
1823 std::string dex_location = dex_file->GetLocation();
1824 if (filter.find('/') == std::string::npos) {
1825 // The filter does not contain the path. Remove the path from dex_location as well.
1826 size_t last_slash = dex_file->GetLocation().rfind('/');
1827 if (last_slash != std::string::npos) {
1828 dex_location = dex_location.substr(last_slash + 1);
1829 }
1830 }
1831
Andreas Gampe9186ced2016-12-12 14:28:21 -08001832 if (android::base::StartsWith(dex_location, filter.c_str())) {
Vladimir Marko47496c22016-01-27 16:15:08 +00001833 VLOG(compiler) << "Disabling inlining from " << dex_file->GetLocation();
Vladimir Markodc4bcce2018-06-21 16:15:42 +01001834 no_inline_from_dex_files.push_back(dex_file);
Vladimir Marko47496c22016-01-27 16:15:08 +00001835 break;
Jeff Haodcdc85b2015-12-04 14:06:18 -08001836 }
1837 }
Jeff Haodcdc85b2015-12-04 14:06:18 -08001838 }
Vladimir Marko47496c22016-01-27 16:15:08 +00001839 }
Vladimir Markodc4bcce2018-06-21 16:15:42 +01001840 if (!no_inline_from_dex_files.empty()) {
1841 compiler_options_->no_inline_from_.swap(no_inline_from_dex_files);
Jeff Haodcdc85b2015-12-04 14:06:18 -08001842 }
1843 }
1844
Vladimir Marko307dac92015-10-20 11:20:09 +01001845 driver_.reset(new CompilerDriver(compiler_options_.get(),
1846 verification_results_.get(),
Vladimir Marko307dac92015-10-20 11:20:09 +01001847 compiler_kind_,
1848 instruction_set_,
1849 instruction_set_features_.get(),
Vladimir Markodc4bcce2018-06-21 16:15:42 +01001850 &compiler_options_->image_classes_,
Vladimir Marko307dac92015-10-20 11:20:09 +01001851 thread_count_,
Vladimir Marko307dac92015-10-20 11:20:09 +01001852 swap_fd_,
Calin Juravle998c2162015-12-21 15:39:33 +02001853 profile_compilation_info_.get()));
Vladimir Markod1eaf0d2015-10-29 12:18:29 +00001854 driver_->SetDexFilesForOatFile(dex_files_);
Nicolas Geoffray486dda02017-09-11 14:15:52 +01001855 if (!IsBootImage()) {
1856 driver_->SetClasspathDexFiles(class_loader_context_->FlattenOpenedDexFiles());
1857 }
Nicolas Geoffray1cfea7a2017-05-24 14:44:38 +01001858
Mathieu Chartier9e050df2017-08-09 10:05:47 -07001859 const bool compile_individually = ShouldCompileDexFilesIndividually();
1860 if (compile_individually) {
1861 // Set the compiler driver in the callbacks so that we can avoid re-verification. This not
1862 // only helps performance but also prevents reverifying quickened bytecodes. Attempting
1863 // verify quickened bytecode causes verification failures.
1864 // Only set the compiler filter if we are doing separate compilation since there is a bit
1865 // of overhead when checking if a class was previously verified.
1866 callbacks_->SetDoesClassUnloading(true, driver_.get());
1867 }
1868
Nicolas Geoffray1cfea7a2017-05-24 14:44:38 +01001869 // Setup vdex for compilation.
1870 if (!DoEagerUnquickeningOfVdex() && input_vdex_file_ != nullptr) {
1871 callbacks_->SetVerifierDeps(
1872 new verifier::VerifierDeps(dex_files_, input_vdex_file_->GetVerifierDepsData()));
1873
1874 // TODO: we unquicken unconditionally, as we don't know
1875 // if the boot image has changed. How exactly we'll know is under
1876 // experimentation.
1877 TimingLogger::ScopedTiming time_unquicken("Unquicken", timings_);
Anestis Bechtsoudisa1f56a82017-10-08 23:37:10 +03001878
1879 // We do not decompile a RETURN_VOID_NO_BARRIER into a RETURN_VOID, as the quickening
1880 // optimization does not depend on the boot image (the optimization relies on not
1881 // having final fields in a class, which does not change for an app).
Mathieu Chartier210531f2018-01-12 10:15:51 -08001882 input_vdex_file_->Unquicken(dex_files_, /* decompile_return_instruction */ false);
Mathieu Chartier72041a02017-07-14 18:23:25 -07001883 } else {
1884 // Create the main VerifierDeps, here instead of in the compiler since we want to aggregate
1885 // the results for all the dex files, not just the results for the current dex file.
1886 callbacks_->SetVerifierDeps(new verifier::VerifierDeps(dex_files_));
Nicolas Geoffray1cfea7a2017-05-24 14:44:38 +01001887 }
Mathieu Chartier72041a02017-07-14 18:23:25 -07001888 // Invoke the compilation.
Mathieu Chartier9e050df2017-08-09 10:05:47 -07001889 if (compile_individually) {
Mathieu Chartier72041a02017-07-14 18:23:25 -07001890 CompileDexFilesIndividually();
1891 // Return a null classloader since we already freed released it.
1892 return nullptr;
1893 }
1894 return CompileDexFiles(dex_files_);
1895 }
1896
1897 // Create the class loader, use it to compile, and return.
1898 jobject CompileDexFiles(const std::vector<const DexFile*>& dex_files) {
1899 ClassLinker* const class_linker = Runtime::Current()->GetClassLinker();
1900
1901 jobject class_loader = nullptr;
1902 if (!IsBootImage()) {
1903 class_loader = class_loader_context_->CreateClassLoader(dex_files_);
Andreas Gampee9934582018-01-19 21:23:04 -08001904 callbacks_->SetDexFiles(&dex_files);
Mathieu Chartier72041a02017-07-14 18:23:25 -07001905 }
1906
1907 // Register dex caches and key them to the class loader so that they only unload when the
1908 // class loader unloads.
1909 for (const auto& dex_file : dex_files) {
1910 ScopedObjectAccess soa(Thread::Current());
1911 // Registering the dex cache adds a strong root in the class loader that prevents the dex
1912 // cache from being unloaded early.
1913 ObjPtr<mirror::DexCache> dex_cache = class_linker->RegisterDexFile(
1914 *dex_file,
1915 soa.Decode<mirror::ClassLoader>(class_loader));
1916 if (dex_cache == nullptr) {
1917 soa.Self()->AssertPendingException();
1918 LOG(FATAL) << "Failed to register dex file " << dex_file->GetLocation() << " "
1919 << soa.Self()->GetException()->Dump();
1920 }
1921 }
1922 driver_->CompileAll(class_loader, dex_files, timings_);
1923 return class_loader;
Vladimir Markof4da6752014-08-01 19:04:18 +01001924 }
1925
Jeff Hao436183f2016-01-12 16:36:50 -08001926 // Notes on the interleaving of creating the images and oat files to
Brian Carlstrom7940e442013-07-12 13:46:57 -07001927 // ensure the references between the two are correct.
1928 //
1929 // Currently we have a memory layout that looks something like this:
1930 //
1931 // +--------------+
Jeff Hao436183f2016-01-12 16:36:50 -08001932 // | images |
Brian Carlstrom7940e442013-07-12 13:46:57 -07001933 // +--------------+
Jeff Hao436183f2016-01-12 16:36:50 -08001934 // | oat files |
Brian Carlstrom7940e442013-07-12 13:46:57 -07001935 // +--------------+
1936 // | alloc spaces |
1937 // +--------------+
1938 //
Jeff Hao436183f2016-01-12 16:36:50 -08001939 // There are several constraints on the loading of the images and oat files.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001940 //
Jeff Hao436183f2016-01-12 16:36:50 -08001941 // 1. The images are expected to be loaded at an absolute address and
1942 // contain Objects with absolute pointers within the images.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001943 //
Jeff Hao436183f2016-01-12 16:36:50 -08001944 // 2. There are absolute pointers from Methods in the images to their
1945 // code in the oat files.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001946 //
Jeff Hao436183f2016-01-12 16:36:50 -08001947 // 3. There are absolute pointers from the code in the oat files to Methods
1948 // in the images.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001949 //
Jeff Hao436183f2016-01-12 16:36:50 -08001950 // 4. There are absolute pointers from code in the oat files to other code
1951 // in the oat files.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001952 //
1953 // To get this all correct, we go through several steps.
1954 //
Jeff Hao436183f2016-01-12 16:36:50 -08001955 // 1. We prepare offsets for all data in the oat files and calculate
Vladimir Markof4da6752014-08-01 19:04:18 +01001956 // the oat data size and code size. During this stage, we also set
1957 // oat code offsets in methods for use by the image writer.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001958 //
Jeff Hao436183f2016-01-12 16:36:50 -08001959 // 2. We prepare offsets for the objects in the images and calculate
1960 // the image sizes.
Vladimir Markof4da6752014-08-01 19:04:18 +01001961 //
Jeff Hao436183f2016-01-12 16:36:50 -08001962 // 3. We create the oat files. Originally this was just our own proprietary
Vladimir Markof4da6752014-08-01 19:04:18 +01001963 // file but now it is contained within an ELF dynamic object (aka an .so
Jeff Hao436183f2016-01-12 16:36:50 -08001964 // file). Since we know the image sizes and oat data sizes and code sizes we
Vladimir Markof4da6752014-08-01 19:04:18 +01001965 // can prepare the ELF headers and we then know the ELF memory segment
1966 // layout and we can now resolve all references. The compiler provides
1967 // LinkerPatch information in each CompiledMethod and we resolve these,
1968 // using the layout information and image object locations provided by
1969 // image writer, as we're writing the method code.
1970 //
Jeff Hao436183f2016-01-12 16:36:50 -08001971 // 4. We create the image files. They need to know where the oat files
1972 // will be loaded after itself. Originally oat files were simply
1973 // memory mapped so we could predict where their contents were based
1974 // on the file size. Now that they are ELF files, we need to inspect
1975 // the ELF files to understand the in memory segment layout including
Vladimir Markof4da6752014-08-01 19:04:18 +01001976 // where the oat header is located within.
1977 // TODO: We could just remember this information from step 3.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001978 //
Vladimir Markof4da6752014-08-01 19:04:18 +01001979 // 5. We fixup the ELF program headers so that dlopen will try to
Brian Carlstrom7940e442013-07-12 13:46:57 -07001980 // load the .so at the desired location at runtime by offsetting the
1981 // Elf32_Phdr.p_vaddr values by the desired base address.
Vladimir Markof4da6752014-08-01 19:04:18 +01001982 // TODO: Do this in step 3. We already know the layout there.
1983 //
1984 // Steps 1.-3. are done by the CreateOatFile() above, steps 4.-5.
1985 // are done by the CreateImageFile() below.
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001986
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001987 // Write out the generated code part. Calls the OatWriter and ElfBuilder. Also prepares the
1988 // ImageWriter, if necessary.
Andreas Gampe10e477d2014-11-19 12:57:42 -08001989 // Note: Flushing (and closing) the file is the caller's responsibility, except for the failure
1990 // case (when the file will be explicitly erased).
David Brazdil7b49e6c2016-09-01 11:06:18 +01001991 bool WriteOutputFiles() {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001992 TimingLogger::ScopedTiming t("dex2oat Oat", timings_);
1993
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001994 // Sync the data to the file, in case we did dex2dex transformations.
1995 for (const std::unique_ptr<MemMap>& map : opened_dex_files_maps_) {
1996 if (!map->Sync()) {
1997 PLOG(ERROR) << "Failed to Sync() dex2dex output. Map: " << map->GetName();
1998 return false;
1999 }
2000 }
Mathieu Chartierda5b28a2015-11-05 08:03:47 -08002001
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002002 if (IsImage()) {
Vladimir Markoaad75c62016-10-03 08:46:48 +00002003 if (IsAppImage() && image_base_ == 0) {
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002004 gc::Heap* const heap = Runtime::Current()->GetHeap();
2005 for (gc::space::ImageSpace* image_space : heap->GetBootImageSpaces()) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08002006 image_base_ = std::max(image_base_, RoundUp(
2007 reinterpret_cast<uintptr_t>(image_space->GetImageHeader().GetOatFileEnd()),
2008 kPageSize));
2009 }
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002010 // The non moving space is right after the oat file. Put the preferred app image location
2011 // right after the non moving space so that we ideally get a continuous immune region for
2012 // the GC.
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08002013 // Use the default non moving space capacity since dex2oat does not have a separate non-
2014 // moving space. This means the runtime's non moving space space size will be as large
2015 // as the growth limit for dex2oat, but smaller in the zygote.
2016 const size_t non_moving_space_capacity = gc::Heap::kDefaultNonMovingSpaceCapacity;
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002017 image_base_ += non_moving_space_capacity;
Mathieu Chartierda5b28a2015-11-05 08:03:47 -08002018 VLOG(compiler) << "App image base=" << reinterpret_cast<void*>(image_base_);
2019 }
2020
Vladimir Marko74527972016-11-29 15:57:32 +00002021 image_writer_.reset(new linker::ImageWriter(*driver_,
2022 image_base_,
2023 compiler_options_->GetCompilePic(),
2024 IsAppImage(),
2025 image_storage_mode_,
2026 oat_filenames_,
2027 dex_file_oat_index_map_,
2028 dirty_image_objects_.get()));
Mathieu Chartierda5b28a2015-11-05 08:03:47 -08002029
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002030 // We need to prepare method offsets in the image address space for direct method patching.
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002031 TimingLogger::ScopedTiming t2("dex2oat Prepare image address space", timings_);
Mathieu Chartier703b82a2018-04-10 15:52:32 -07002032 if (!image_writer_->PrepareImageAddressSpace(timings_)) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002033 LOG(ERROR) << "Failed to prepare image address space.";
2034 return false;
2035 }
2036 }
2037
Nicolas Geoffray4acefd32016-10-24 13:14:58 +01002038 // Initialize the writers with the compiler driver, image writer, and their
2039 // dex files. The writers were created without those being there yet.
2040 for (size_t i = 0, size = oat_files_.size(); i != size; ++i) {
Vladimir Marko74527972016-11-29 15:57:32 +00002041 std::unique_ptr<linker::OatWriter>& oat_writer = oat_writers_[i];
Nicolas Geoffray4acefd32016-10-24 13:14:58 +01002042 std::vector<const DexFile*>& dex_files = dex_files_per_oat_file_[i];
2043 oat_writer->Initialize(driver_.get(), image_writer_.get(), dex_files);
2044 }
2045
David Brazdil5d5a36b2016-09-14 15:34:10 +01002046 {
2047 TimingLogger::ScopedTiming t2("dex2oat Write VDEX", timings_);
2048 DCHECK(IsBootImage() || oat_files_.size() == 1u);
Nicolas Geoffray6bb7f1b2016-11-03 10:52:49 +00002049 verifier::VerifierDeps* verifier_deps = callbacks_->GetVerifierDeps();
David Brazdil5d5a36b2016-09-14 15:34:10 +01002050 for (size_t i = 0, size = oat_files_.size(); i != size; ++i) {
2051 File* vdex_file = vdex_files_[i].get();
Vladimir Marko74527972016-11-29 15:57:32 +00002052 std::unique_ptr<linker::BufferedOutputStream> vdex_out =
2053 std::make_unique<linker::BufferedOutputStream>(
2054 std::make_unique<linker::FileOutputStream>(vdex_file));
David Brazdil5d5a36b2016-09-14 15:34:10 +01002055
Nicolas Geoffray6bb7f1b2016-11-03 10:52:49 +00002056 if (!oat_writers_[i]->WriteVerifierDeps(vdex_out.get(), verifier_deps)) {
David Brazdil5d5a36b2016-09-14 15:34:10 +01002057 LOG(ERROR) << "Failed to write verifier dependencies into VDEX " << vdex_file->GetPath();
2058 return false;
2059 }
2060
Nicolas Geoffray4acefd32016-10-24 13:14:58 +01002061 if (!oat_writers_[i]->WriteQuickeningInfo(vdex_out.get())) {
2062 LOG(ERROR) << "Failed to write quickening info into VDEX " << vdex_file->GetPath();
2063 return false;
2064 }
2065
Nicolas Geoffrayf54e5df2016-12-01 10:45:08 +00002066 // VDEX finalized, seek back to the beginning and write checksums and the header.
2067 if (!oat_writers_[i]->WriteChecksumsAndVdexHeader(vdex_out.get())) {
David Brazdil5d5a36b2016-09-14 15:34:10 +01002068 LOG(ERROR) << "Failed to write vdex header into VDEX " << vdex_file->GetPath();
2069 return false;
2070 }
2071 }
2072 }
2073
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002074 {
2075 TimingLogger::ScopedTiming t2("dex2oat Write ELF", timings_);
Vladimir Markoca1e0382018-04-11 09:58:41 +00002076 linker::MultiOatRelativePatcher patcher(instruction_set_,
2077 instruction_set_features_.get(),
2078 driver_->GetCompiledMethodStorage());
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002079 for (size_t i = 0, size = oat_files_.size(); i != size; ++i) {
Vladimir Marko74527972016-11-29 15:57:32 +00002080 std::unique_ptr<linker::ElfWriter>& elf_writer = elf_writers_[i];
2081 std::unique_ptr<linker::OatWriter>& oat_writer = oat_writers_[i];
Vladimir Marko944da602016-02-19 12:27:55 +00002082
Nicolas Geoffray4acefd32016-10-24 13:14:58 +01002083 oat_writer->PrepareLayout(&patcher);
Vladimir Markob066d432018-01-03 13:14:37 +00002084 elf_writer->PrepareDynamicSection(oat_writer->GetOatHeader().GetExecutableOffset(),
2085 oat_writer->GetCodeSize(),
2086 oat_writer->GetDataBimgRelRoSize(),
Vladimir Markoaad75c62016-10-03 08:46:48 +00002087 oat_writer->GetBssSize(),
Vladimir Marko0eb882b2017-05-15 13:39:18 +01002088 oat_writer->GetBssMethodsOffset(),
David Srbeckyec2cdf42017-12-08 16:21:25 +00002089 oat_writer->GetBssRootsOffset(),
2090 oat_writer->GetVdexSize());
Vladimir Marko944da602016-02-19 12:27:55 +00002091 if (IsImage()) {
2092 // Update oat layout.
2093 DCHECK(image_writer_ != nullptr);
2094 DCHECK_LT(i, oat_filenames_.size());
2095 image_writer_->UpdateOatFileLayout(i,
2096 elf_writer->GetLoadedSize(),
2097 oat_writer->GetOatDataOffset(),
David Brazdil7b49e6c2016-09-01 11:06:18 +01002098 oat_writer->GetOatSize());
Vladimir Marko944da602016-02-19 12:27:55 +00002099 }
Richard Uhlerbc26b722017-03-10 14:27:10 +00002100
2101 if (IsBootImage()) {
2102 // Have the image_file_location_oat_checksum_ for boot oat files
2103 // depend on the contents of all the boot oat files. This way only
2104 // the primary image checksum needs to be checked to determine
2105 // whether any of the images are out of date.
2106 image_file_location_oat_checksum_ ^= oat_writer->GetOatHeader().GetChecksum();
2107 }
Vladimir Marko944da602016-02-19 12:27:55 +00002108 }
2109
2110 for (size_t i = 0, size = oat_files_.size(); i != size; ++i) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08002111 std::unique_ptr<File>& oat_file = oat_files_[i];
Vladimir Marko74527972016-11-29 15:57:32 +00002112 std::unique_ptr<linker::ElfWriter>& elf_writer = elf_writers_[i];
2113 std::unique_ptr<linker::OatWriter>& oat_writer = oat_writers_[i];
Vladimir Marko10c13562015-11-25 14:33:36 +00002114
David Srbecky0c4572e2016-01-22 19:19:25 +00002115 // We need to mirror the layout of the ELF file in the compressed debug-info.
Vladimir Marko944da602016-02-19 12:27:55 +00002116 // Therefore PrepareDebugInfo() relies on the SetLoadedSectionSizes() call further above.
David Srbecky32210b92017-12-04 14:39:21 +00002117 debug::DebugInfo debug_info = oat_writer->GetDebugInfo(); // Keep the variable alive.
2118 elf_writer->PrepareDebugInfo(debug_info); // Processes the data on background thread.
David Srbecky0c4572e2016-01-22 19:19:25 +00002119
Vladimir Marko74527972016-11-29 15:57:32 +00002120 linker::OutputStream*& rodata = rodata_[i];
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002121 DCHECK(rodata != nullptr);
Jeff Haodcdc85b2015-12-04 14:06:18 -08002122 if (!oat_writer->WriteRodata(rodata)) {
2123 LOG(ERROR) << "Failed to write .rodata section to the ELF file " << oat_file->GetPath();
2124 return false;
2125 }
2126 elf_writer->EndRoData(rodata);
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002127 rodata = nullptr;
Vladimir Marko10c13562015-11-25 14:33:36 +00002128
Vladimir Marko74527972016-11-29 15:57:32 +00002129 linker::OutputStream* text = elf_writer->StartText();
Jeff Haodcdc85b2015-12-04 14:06:18 -08002130 if (!oat_writer->WriteCode(text)) {
2131 LOG(ERROR) << "Failed to write .text section to the ELF file " << oat_file->GetPath();
2132 return false;
2133 }
2134 elf_writer->EndText(text);
Vladimir Marko10c13562015-11-25 14:33:36 +00002135
Vladimir Markob066d432018-01-03 13:14:37 +00002136 if (oat_writer->GetDataBimgRelRoSize() != 0u) {
2137 linker::OutputStream* data_bimg_rel_ro = elf_writer->StartDataBimgRelRo();
2138 if (!oat_writer->WriteDataBimgRelRo(data_bimg_rel_ro)) {
2139 LOG(ERROR) << "Failed to write .data.bimg.rel.ro section to the ELF file "
2140 << oat_file->GetPath();
2141 return false;
2142 }
2143 elf_writer->EndDataBimgRelRo(data_bimg_rel_ro);
2144 }
2145
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002146 if (!oat_writer->WriteHeader(elf_writer->GetStream(),
2147 image_file_location_oat_checksum_,
2148 image_file_location_oat_data_begin_,
2149 image_patch_delta_)) {
2150 LOG(ERROR) << "Failed to write oat header to the ELF file " << oat_file->GetPath();
2151 return false;
2152 }
2153
Vladimir Marko944da602016-02-19 12:27:55 +00002154 if (IsImage()) {
2155 // Update oat header information.
2156 DCHECK(image_writer_ != nullptr);
2157 DCHECK_LT(i, oat_filenames_.size());
2158 image_writer_->UpdateOatFileHeader(i, oat_writer->GetOatHeader());
2159 }
2160
Jeff Haodcdc85b2015-12-04 14:06:18 -08002161 elf_writer->WriteDynamicSection();
David Srbecky32210b92017-12-04 14:39:21 +00002162 elf_writer->WriteDebugInfo(oat_writer->GetDebugInfo());
Vladimir Marko10c13562015-11-25 14:33:36 +00002163
Jeff Haodcdc85b2015-12-04 14:06:18 -08002164 if (!elf_writer->End()) {
2165 LOG(ERROR) << "Failed to write ELF file " << oat_file->GetPath();
2166 return false;
2167 }
2168
David Brazdil7b49e6c2016-09-01 11:06:18 +01002169 if (!FlushOutputFile(&vdex_files_[i]) || !FlushOutputFile(&oat_files_[i])) {
2170 return false;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002171 }
2172
Jeff Haodcdc85b2015-12-04 14:06:18 -08002173 VLOG(compiler) << "Oat file written successfully: " << oat_filenames_[i];
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002174
2175 oat_writer.reset();
2176 elf_writer.reset();
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002177 }
2178 }
2179
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002180 return true;
Brian Carlstrom7940e442013-07-12 13:46:57 -07002181 }
2182
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002183 // If we are compiling an image, invoke the image creation routine. Else just skip.
2184 bool HandleImage() {
Mathieu Chartiera90c7722015-10-29 15:41:36 -07002185 if (IsImage()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002186 TimingLogger::ScopedTiming t("dex2oat ImageWriter", timings_);
2187 if (!CreateImageFile()) {
2188 return false;
2189 }
Jeff Haodcdc85b2015-12-04 14:06:18 -08002190 VLOG(compiler) << "Images written successfully";
Brian Carlstrom45602482013-07-21 22:07:55 -07002191 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002192 return true;
2193 }
2194
Jeff Haodcdc85b2015-12-04 14:06:18 -08002195 // Create a copy from stripped to unstripped.
2196 bool CopyStrippedToUnstripped() {
2197 for (size_t i = 0; i < oat_unstripped_.size(); ++i) {
2198 // If we don't want to strip in place, copy from stripped location to unstripped location.
2199 // We need to strip after image creation because FixupElf needs to use .strtab.
2200 if (strcmp(oat_unstripped_[i], oat_filenames_[i]) != 0) {
2201 // If the oat file is still open, flush it.
2202 if (oat_files_[i].get() != nullptr && oat_files_[i]->IsOpened()) {
David Brazdil7b49e6c2016-09-01 11:06:18 +01002203 if (!FlushCloseOutputFile(&oat_files_[i])) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08002204 return false;
2205 }
2206 }
2207
2208 TimingLogger::ScopedTiming t("dex2oat OatFile copy", timings_);
2209 std::unique_ptr<File> in(OS::OpenFileForReading(oat_filenames_[i]));
2210 std::unique_ptr<File> out(OS::CreateEmptyFile(oat_unstripped_[i]));
Vladimir Markob55cc6d2016-10-17 15:25:10 +01002211 int64_t in_length = in->GetLength();
2212 if (in_length < 0) {
2213 PLOG(ERROR) << "Failed to get the length of oat file: " << in->GetPath();
2214 return false;
2215 }
2216 if (!out->Copy(in.get(), 0, in_length)) {
2217 PLOG(ERROR) << "Failed to copy oat file to file: " << out->GetPath();
2218 return false;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002219 }
2220 if (out->FlushCloseOrErase() != 0) {
2221 PLOG(ERROR) << "Failed to flush and close copied oat file: " << oat_unstripped_[i];
2222 return false;
2223 }
2224 VLOG(compiler) << "Oat file copied successfully (unstripped): " << oat_unstripped_[i];
2225 }
2226 }
2227 return true;
2228 }
2229
David Brazdil7b49e6c2016-09-01 11:06:18 +01002230 bool FlushOutputFile(std::unique_ptr<File>* file) {
2231 if (file->get() != nullptr) {
2232 if (file->get()->Flush() != 0) {
2233 PLOG(ERROR) << "Failed to flush output file: " << file->get()->GetPath();
2234 return false;
2235 }
2236 }
2237 return true;
2238 }
2239
2240 bool FlushCloseOutputFile(std::unique_ptr<File>* file) {
2241 if (file->get() != nullptr) {
2242 std::unique_ptr<File> tmp(file->release());
2243 if (tmp->FlushCloseOrErase() != 0) {
2244 PLOG(ERROR) << "Failed to flush and close output file: " << tmp->GetPath();
2245 return false;
2246 }
2247 }
2248 return true;
2249 }
2250
2251 bool FlushOutputFiles() {
2252 TimingLogger::ScopedTiming t2("dex2oat Flush Output Files", timings_);
2253 for (auto& files : { &vdex_files_, &oat_files_ }) {
2254 for (size_t i = 0; i < files->size(); ++i) {
2255 if (!FlushOutputFile(&(*files)[i])) {
Andreas Gampe10e477d2014-11-19 12:57:42 -08002256 return false;
Andreas Gampe4303ba92014-11-06 01:00:46 -08002257 }
Andreas Gampe4303ba92014-11-06 01:00:46 -08002258 }
Nicolas Geoffrayea3fa0b2014-02-10 11:59:41 +00002259 }
Andreas Gampe10e477d2014-11-19 12:57:42 -08002260 return true;
2261 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002262
David Brazdil7b49e6c2016-09-01 11:06:18 +01002263 bool FlushCloseOutputFiles() {
Jeff Haodcdc85b2015-12-04 14:06:18 -08002264 bool result = true;
David Brazdil7b49e6c2016-09-01 11:06:18 +01002265 for (auto& files : { &vdex_files_, &oat_files_ }) {
2266 for (size_t i = 0; i < files->size(); ++i) {
2267 result &= FlushCloseOutputFile(&(*files)[i]);
2268 }
Jeff Haodcdc85b2015-12-04 14:06:18 -08002269 }
2270 return result;
2271 }
2272
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002273 void DumpTiming() {
Nicolas Geoffray2d8801f2017-11-28 15:50:07 +00002274 if (compiler_options_->GetDumpTimings() ||
2275 (kIsDebugBuild && timings_->GetTotalNs() > MsToNs(1000))) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002276 LOG(INFO) << Dumpable<TimingLogger>(*timings_);
2277 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002278 }
2279
Andreas Gampe10e477d2014-11-19 12:57:42 -08002280 bool IsImage() const {
Mathieu Chartiera90c7722015-10-29 15:41:36 -07002281 return IsAppImage() || IsBootImage();
2282 }
2283
2284 bool IsAppImage() const {
Vladimir Markoaad75c62016-10-03 08:46:48 +00002285 return compiler_options_->IsAppImage();
Mathieu Chartiera90c7722015-10-29 15:41:36 -07002286 }
2287
2288 bool IsBootImage() const {
Vladimir Markoaad75c62016-10-03 08:46:48 +00002289 return compiler_options_->IsBootImage();
Andreas Gampe10e477d2014-11-19 12:57:42 -08002290 }
2291
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002292 bool IsHost() const {
2293 return is_host_;
2294 }
2295
Mathieu Chartier11b3df32017-02-21 13:41:54 -08002296 bool UseProfile() const {
Mathieu Chartierd0af56c2017-02-17 12:56:25 -08002297 return profile_file_fd_ != -1 || !profile_file_.empty();
Calin Juravle998c2162015-12-21 15:39:33 +02002298 }
2299
Mathieu Chartier11b3df32017-02-21 13:41:54 -08002300 bool DoProfileGuidedOptimizations() const {
Nicolas Geoffray49cda062017-04-21 13:08:25 +01002301 return UseProfile();
Mathieu Chartier11b3df32017-02-21 13:41:54 -08002302 }
2303
Mathieu Chartiereafe2a52017-10-19 15:29:42 -07002304 bool DoGenerateCompactDex() const {
2305 return compact_dex_level_ != CompactDexLevel::kCompactDexLevelNone;
2306 }
2307
Mathieu Chartier11b3df32017-02-21 13:41:54 -08002308 bool DoDexLayoutOptimizations() const {
Mathieu Chartiereafe2a52017-10-19 15:29:42 -07002309 return DoProfileGuidedOptimizations() || DoGenerateCompactDex();
Mathieu Chartier11b3df32017-02-21 13:41:54 -08002310 }
2311
Igor Murashkin545412b2017-08-17 15:26:54 -07002312 bool DoOatLayoutOptimizations() const {
2313 return DoProfileGuidedOptimizations();
2314 }
2315
Mathieu Chartier2c4b0842017-12-13 11:49:51 -08002316 bool MayInvalidateVdexMetadata() const {
2317 // DexLayout can invalidate the vdex metadata if changing the class def order is enabled, so
2318 // we need to unquicken the vdex file eagerly, before passing it to dexlayout.
Nicolas Geoffray1cfea7a2017-05-24 14:44:38 +01002319 return DoDexLayoutOptimizations();
2320 }
2321
Mathieu Chartier2c4b0842017-12-13 11:49:51 -08002322 bool DoEagerUnquickeningOfVdex() const {
Nicolas Geoffraybaeaa9b2018-01-26 14:31:17 +00002323 return MayInvalidateVdexMetadata() && dm_file_ == nullptr;
Mathieu Chartier2c4b0842017-12-13 11:49:51 -08002324 }
2325
Calin Juravle2e2db782016-02-23 12:00:03 +00002326 bool LoadProfile() {
Mathieu Chartier11b3df32017-02-21 13:41:54 -08002327 DCHECK(UseProfile());
Calin Juravlee6f87cc2017-05-24 17:41:05 -07002328 // TODO(calin): We should be using the runtime arena pool (instead of the
2329 // default profile arena). However the setup logic is messy and needs
2330 // cleaning up before that (e.g. the oat writers are created before the
2331 // runtime).
Calin Juravle2e2db782016-02-23 12:00:03 +00002332 profile_compilation_info_.reset(new ProfileCompilationInfo());
Narayan Kamatha3d27eb2017-05-11 13:50:59 +01002333 ScopedFlock profile_file;
Calin Juravle2e2db782016-02-23 12:00:03 +00002334 std::string error;
2335 if (profile_file_fd_ != -1) {
Narayan Kamatha3d27eb2017-05-11 13:50:59 +01002336 profile_file = LockedFile::DupOf(profile_file_fd_, "profile",
2337 true /* read_only_mode */, &error);
Andreas Gampe29d38e72016-03-23 15:31:51 +00002338 } else if (profile_file_ != "") {
Narayan Kamatha3d27eb2017-05-11 13:50:59 +01002339 profile_file = LockedFile::Open(profile_file_.c_str(), O_RDONLY, true, &error);
Calin Juravle998c2162015-12-21 15:39:33 +02002340 }
Calin Juravle877fd962016-01-05 14:29:29 +00002341
Narayan Kamatha3d27eb2017-05-11 13:50:59 +01002342 // Return early if we're unable to obtain a lock on the profile.
2343 if (profile_file.get() == nullptr) {
2344 LOG(ERROR) << "Cannot lock profiles: " << error;
2345 return false;
2346 }
2347
2348 if (!profile_compilation_info_->Load(profile_file->Fd())) {
Calin Juravle2e2db782016-02-23 12:00:03 +00002349 profile_compilation_info_.reset(nullptr);
Narayan Kamatha3d27eb2017-05-11 13:50:59 +01002350 return false;
Calin Juravle2e2db782016-02-23 12:00:03 +00002351 }
Calin Juravle877fd962016-01-05 14:29:29 +00002352
Narayan Kamatha3d27eb2017-05-11 13:50:59 +01002353 return true;
Calin Juravle998c2162015-12-21 15:39:33 +02002354 }
2355
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002356 private:
Andreas Gampee1459ae2016-06-29 09:36:30 -07002357 bool UseSwap(bool is_image, const std::vector<const DexFile*>& dex_files) {
2358 if (is_image) {
2359 // Don't use swap, we know generation should succeed, and we don't want to slow it down.
2360 return false;
2361 }
2362 if (dex_files.size() < min_dex_files_for_swap_) {
2363 // If there are less dex files than the threshold, assume it's gonna be fine.
2364 return false;
2365 }
2366 size_t dex_files_size = 0;
2367 for (const auto* dex_file : dex_files) {
2368 dex_files_size += dex_file->GetHeader().file_size_;
2369 }
2370 return dex_files_size >= min_dex_file_cumulative_size_for_swap_;
2371 }
2372
Andreas Gampe67f02822016-06-24 21:05:23 -07002373 bool IsVeryLarge(std::vector<const DexFile*>& dex_files) {
2374 size_t dex_files_size = 0;
2375 for (const auto* dex_file : dex_files) {
2376 dex_files_size += dex_file->GetHeader().file_size_;
2377 }
2378 return dex_files_size >= very_large_threshold_;
2379 }
2380
Vladimir Marko49b0f452015-12-10 13:49:19 +00002381 bool PrepareImageClasses() {
2382 // If --image-classes was specified, calculate the full list of classes to include in the image.
Vladimir Markodc4bcce2018-06-21 16:15:42 +01002383 DCHECK(compiler_options_->image_classes_.empty());
Vladimir Marko49b0f452015-12-10 13:49:19 +00002384 if (image_classes_filename_ != nullptr) {
Vladimir Markodc4bcce2018-06-21 16:15:42 +01002385 std::unique_ptr<HashSet<std::string>> image_classes =
Vladimir Marko49b0f452015-12-10 13:49:19 +00002386 ReadClasses(image_classes_zip_filename_, image_classes_filename_, "image");
Vladimir Markodc4bcce2018-06-21 16:15:42 +01002387 if (image_classes == nullptr) {
Vladimir Marko49b0f452015-12-10 13:49:19 +00002388 return false;
2389 }
Vladimir Markodc4bcce2018-06-21 16:15:42 +01002390 compiler_options_->image_classes_.swap(*image_classes);
Vladimir Marko49b0f452015-12-10 13:49:19 +00002391 }
2392 return true;
2393 }
2394
Vladimir Marko54159c62018-06-20 14:30:08 +01002395 static std::unique_ptr<HashSet<std::string>> ReadClasses(const char* zip_filename,
2396 const char* classes_filename,
2397 const char* tag) {
2398 std::unique_ptr<HashSet<std::string>> classes;
Vladimir Marko49b0f452015-12-10 13:49:19 +00002399 std::string error_msg;
2400 if (zip_filename != nullptr) {
Vladimir Marko54159c62018-06-20 14:30:08 +01002401 classes = ReadImageClassesFromZip(zip_filename, classes_filename, &error_msg);
Vladimir Marko49b0f452015-12-10 13:49:19 +00002402 } else {
Vladimir Marko54159c62018-06-20 14:30:08 +01002403 classes = ReadImageClassesFromFile(classes_filename);
Vladimir Marko49b0f452015-12-10 13:49:19 +00002404 }
2405 if (classes == nullptr) {
2406 LOG(ERROR) << "Failed to create list of " << tag << " classes from '"
2407 << classes_filename << "': " << error_msg;
2408 }
2409 return classes;
2410 }
2411
Jeff Haoc23b0c02017-07-27 18:19:38 -07002412 bool PrepareDirtyObjects() {
2413 if (dirty_image_objects_filename_ != nullptr) {
Vladimir Marko54159c62018-06-20 14:30:08 +01002414 dirty_image_objects_ = ReadCommentedInputFromFile<HashSet<std::string>>(
Jeff Haoc23b0c02017-07-27 18:19:38 -07002415 dirty_image_objects_filename_,
Vladimir Marko54159c62018-06-20 14:30:08 +01002416 nullptr);
Jeff Haoc23b0c02017-07-27 18:19:38 -07002417 if (dirty_image_objects_ == nullptr) {
2418 LOG(ERROR) << "Failed to create list of dirty objects from '"
2419 << dirty_image_objects_filename_ << "'";
2420 return false;
2421 }
2422 } else {
2423 dirty_image_objects_.reset(nullptr);
2424 }
2425 return true;
2426 }
2427
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002428 void PruneNonExistentDexFiles() {
2429 DCHECK_EQ(dex_filenames_.size(), dex_locations_.size());
2430 size_t kept = 0u;
2431 for (size_t i = 0, size = dex_filenames_.size(); i != size; ++i) {
2432 if (!OS::FileExists(dex_filenames_[i])) {
2433 LOG(WARNING) << "Skipping non-existent dex file '" << dex_filenames_[i] << "'";
2434 } else {
2435 dex_filenames_[kept] = dex_filenames_[i];
2436 dex_locations_[kept] = dex_locations_[i];
2437 ++kept;
2438 }
2439 }
2440 dex_filenames_.resize(kept);
2441 dex_locations_.resize(kept);
2442 }
2443
2444 bool AddDexFileSources() {
2445 TimingLogger::ScopedTiming t2("AddDexFileSources", timings_);
Nicolas Geoffraybc177272018-01-24 14:55:32 +00002446 if (input_vdex_file_ != nullptr && input_vdex_file_->HasDexSection()) {
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00002447 DCHECK_EQ(oat_writers_.size(), 1u);
2448 const std::string& name = zip_location_.empty() ? dex_locations_[0] : zip_location_;
2449 DCHECK(!name.empty());
2450 if (!oat_writers_[0]->AddVdexDexFilesSource(*input_vdex_file_.get(), name.c_str())) {
2451 return false;
2452 }
2453 } else if (zip_fd_ != -1) {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002454 DCHECK_EQ(oat_writers_.size(), 1u);
Andreas Gampe43e10b02016-07-15 17:17:34 -07002455 if (!oat_writers_[0]->AddZippedDexFilesSource(File(zip_fd_, /* check_usage */ false),
2456 zip_location_.c_str())) {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002457 return false;
2458 }
2459 } else if (oat_writers_.size() > 1u) {
2460 // Multi-image.
2461 DCHECK_EQ(oat_writers_.size(), dex_filenames_.size());
2462 DCHECK_EQ(oat_writers_.size(), dex_locations_.size());
2463 for (size_t i = 0, size = oat_writers_.size(); i != size; ++i) {
2464 if (!oat_writers_[i]->AddDexFileSource(dex_filenames_[i], dex_locations_[i])) {
2465 return false;
2466 }
2467 }
2468 } else {
2469 DCHECK_EQ(oat_writers_.size(), 1u);
2470 DCHECK_EQ(dex_filenames_.size(), dex_locations_.size());
2471 DCHECK_NE(dex_filenames_.size(), 0u);
2472 for (size_t i = 0; i != dex_filenames_.size(); ++i) {
2473 if (!oat_writers_[0]->AddDexFileSource(dex_filenames_[i], dex_locations_[i])) {
2474 return false;
2475 }
2476 }
2477 }
2478 return true;
2479 }
2480
2481 void CreateOatWriters() {
2482 TimingLogger::ScopedTiming t2("CreateOatWriters", timings_);
2483 elf_writers_.reserve(oat_files_.size());
2484 oat_writers_.reserve(oat_files_.size());
2485 for (const std::unique_ptr<File>& oat_file : oat_files_) {
Vladimir Marko74527972016-11-29 15:57:32 +00002486 elf_writers_.emplace_back(linker::CreateElfWriterQuick(instruction_set_,
2487 instruction_set_features_.get(),
2488 compiler_options_.get(),
2489 oat_file.get()));
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002490 elf_writers_.back()->Start();
Mathieu Chartier4a265c22018-04-09 14:25:14 -07002491 bool do_oat_writer_layout = DoDexLayoutOptimizations() || DoOatLayoutOptimizations();
2492 if (profile_compilation_info_ != nullptr && profile_compilation_info_->IsEmpty()) {
2493 do_oat_writer_layout = false;
2494 }
Vladimir Marko74527972016-11-29 15:57:32 +00002495 oat_writers_.emplace_back(new linker::OatWriter(
Igor Murashkin545412b2017-08-17 15:26:54 -07002496 IsBootImage(),
2497 timings_,
Mathieu Chartier603ccab2017-10-20 14:34:28 -07002498 do_oat_writer_layout ? profile_compilation_info_.get() : nullptr,
2499 compact_dex_level_));
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002500 }
2501 }
2502
Vladimir Marko49b0f452015-12-10 13:49:19 +00002503 void SaveDexInput() {
2504 for (size_t i = 0; i < dex_files_.size(); ++i) {
2505 const DexFile* dex_file = dex_files_[i];
2506 std::string tmp_file_name(StringPrintf("/data/local/tmp/dex2oat.%d.%zd.dex",
2507 getpid(), i));
2508 std::unique_ptr<File> tmp_file(OS::CreateEmptyFile(tmp_file_name.c_str()));
2509 if (tmp_file.get() == nullptr) {
2510 PLOG(ERROR) << "Failed to open file " << tmp_file_name
2511 << ". Try: adb shell chmod 777 /data/local/tmp";
2512 continue;
2513 }
2514 // This is just dumping files for debugging. Ignore errors, and leave remnants.
2515 UNUSED(tmp_file->WriteFully(dex_file->Begin(), dex_file->Size()));
2516 UNUSED(tmp_file->Flush());
2517 UNUSED(tmp_file->Close());
2518 LOG(INFO) << "Wrote input to " << tmp_file_name;
2519 }
2520 }
2521
Mathieu Chartier46331a62017-07-21 09:49:10 -07002522 bool PrepareRuntimeOptions(RuntimeArgumentMap* runtime_options,
2523 QuickCompilerCallbacks* callbacks) {
Vladimir Marko49b0f452015-12-10 13:49:19 +00002524 RuntimeOptions raw_options;
2525 if (boot_image_filename_.empty()) {
2526 std::string boot_class_path = "-Xbootclasspath:";
Andreas Gampe9186ced2016-12-12 14:28:21 -08002527 boot_class_path += android::base::Join(dex_filenames_, ':');
Vladimir Marko49b0f452015-12-10 13:49:19 +00002528 raw_options.push_back(std::make_pair(boot_class_path, nullptr));
2529 std::string boot_class_path_locations = "-Xbootclasspath-locations:";
Andreas Gampe9186ced2016-12-12 14:28:21 -08002530 boot_class_path_locations += android::base::Join(dex_locations_, ':');
Vladimir Marko49b0f452015-12-10 13:49:19 +00002531 raw_options.push_back(std::make_pair(boot_class_path_locations, nullptr));
2532 } else {
2533 std::string boot_image_option = "-Ximage:";
2534 boot_image_option += boot_image_filename_;
2535 raw_options.push_back(std::make_pair(boot_image_option, nullptr));
2536 }
2537 for (size_t i = 0; i < runtime_args_.size(); i++) {
2538 raw_options.push_back(std::make_pair(runtime_args_[i], nullptr));
2539 }
2540
Mathieu Chartier46331a62017-07-21 09:49:10 -07002541 raw_options.push_back(std::make_pair("compilercallbacks", callbacks));
Vladimir Marko49b0f452015-12-10 13:49:19 +00002542 raw_options.push_back(
2543 std::make_pair("imageinstructionset", GetInstructionSetString(instruction_set_)));
2544
2545 // Only allow no boot image for the runtime if we're compiling one. When we compile an app,
2546 // we don't want fallback mode, it will abort as we do not push a boot classpath (it might
2547 // have been stripped in preopting, anyways).
2548 if (!IsBootImage()) {
2549 raw_options.push_back(std::make_pair("-Xno-dex-file-fallback", nullptr));
2550 }
Andreas Gampec8e35202017-04-28 15:47:12 -07002551 // Never allow implicit image compilation.
2552 raw_options.push_back(std::make_pair("-Xnoimage-dex2oat", nullptr));
Vladimir Marko49b0f452015-12-10 13:49:19 +00002553 // Disable libsigchain. We don't don't need it during compilation and it prevents us
2554 // from getting a statically linked version of dex2oat (because of dlsym and RTLD_NEXT).
2555 raw_options.push_back(std::make_pair("-Xno-sig-chain", nullptr));
Lin Zang97f3f7d2016-01-13 10:25:00 +08002556 // Disable Hspace compaction to save heap size virtual space.
2557 // Only need disable Hspace for OOM becasue background collector is equal to
2558 // foreground collector by default for dex2oat.
2559 raw_options.push_back(std::make_pair("-XX:DisableHSpaceCompactForOOM", nullptr));
Vladimir Marko49b0f452015-12-10 13:49:19 +00002560
Andreas Gampeace0dc12016-01-20 13:33:13 -08002561 if (compiler_options_->IsForceDeterminism()) {
Roland Levillainb81e9e92017-04-20 17:35:32 +01002562 // If we're asked to be deterministic, ensure non-concurrent GC for determinism.
2563 //
2564 // Note that with read barriers, this option is ignored, because Runtime::Init
2565 // overrides the foreground GC to be gc::kCollectorTypeCC when instantiating
2566 // gc::Heap. This is fine, as concurrent GC requests are not honored in dex2oat,
2567 // which uses an unstarted runtime.
Andreas Gampeace0dc12016-01-20 13:33:13 -08002568 raw_options.push_back(std::make_pair("-Xgc:nonconcurrent", nullptr));
Roland Levillainb81e9e92017-04-20 17:35:32 +01002569
Nicolas Geoffray7acddd82017-05-03 15:04:55 +01002570 // The default LOS implementation (map) is not deterministic. So disable it.
2571 raw_options.push_back(std::make_pair("-XX:LargeObjectSpace=disabled", nullptr));
Andreas Gampeace0dc12016-01-20 13:33:13 -08002572
2573 // We also need to turn off the nonmoving space. For that, we need to disable HSpace
2574 // compaction (done above) and ensure that neither foreground nor background collectors
2575 // are concurrent.
Roland Levillainb81e9e92017-04-20 17:35:32 +01002576 //
2577 // Likewise, this option is ignored with read barriers because Runtime::Init
2578 // overrides the background GC to be gc::kCollectorTypeCCBackground, but that's
2579 // fine too, for the same reason (see above).
Andreas Gampeace0dc12016-01-20 13:33:13 -08002580 raw_options.push_back(std::make_pair("-XX:BackgroundGC=nonconcurrent", nullptr));
2581
2582 // To make identity hashcode deterministic, set a known seed.
2583 mirror::Object::SetHashCodeSeed(987654321U);
2584 }
2585
Vladimir Marko49b0f452015-12-10 13:49:19 +00002586 if (!Runtime::ParseOptions(raw_options, false, runtime_options)) {
2587 LOG(ERROR) << "Failed to parse runtime options";
2588 return false;
2589 }
2590 return true;
2591 }
2592
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002593 // Create a runtime necessary for compilation.
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002594 bool CreateRuntime(RuntimeArgumentMap&& runtime_options) {
2595 TimingLogger::ScopedTiming t_runtime("Create runtime", timings_);
Vladimir Marko49b0f452015-12-10 13:49:19 +00002596 if (!Runtime::Create(std::move(runtime_options))) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002597 LOG(ERROR) << "Failed to create runtime";
2598 return false;
2599 }
Andreas Gampe49c144d2016-11-14 10:11:16 -08002600
2601 // Runtime::Init will rename this thread to be "main". Prefer "dex2oat" so that "top" and
2602 // "ps -a" don't change to non-descript "main."
2603 SetThreadName(kIsDebugBuild ? "dex2oatd" : "dex2oat");
2604
Vladimir Marko307dac92015-10-20 11:20:09 +01002605 runtime_.reset(Runtime::Current());
2606 runtime_->SetInstructionSet(instruction_set_);
Andreas Gampe8228cdf2017-05-30 15:03:54 -07002607 for (uint32_t i = 0; i < static_cast<uint32_t>(CalleeSaveType::kLastCalleeSaveType); ++i) {
2608 CalleeSaveType type = CalleeSaveType(i);
Vladimir Marko307dac92015-10-20 11:20:09 +01002609 if (!runtime_->HasCalleeSaveMethod(type)) {
2610 runtime_->SetCalleeSaveMethod(runtime_->CreateCalleeSaveMethod(), type);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002611 }
2612 }
Andreas Gampe2969bcd2015-03-09 12:57:41 -07002613
2614 // Initialize maps for unstarted runtime. This needs to be here, as running clinits needs this
2615 // set up.
Andreas Gampe799681b2015-05-15 19:24:12 -07002616 interpreter::UnstartedRuntime::Initialize();
Andreas Gampe2969bcd2015-03-09 12:57:41 -07002617
Vladimir Marko307dac92015-10-20 11:20:09 +01002618 runtime_->GetClassLinker()->RunRootClinits();
Andreas Gampe2969bcd2015-03-09 12:57:41 -07002619
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002620 // Runtime::Create acquired the mutator_lock_ that is normally given away when we
2621 // Runtime::Start, give it away now so that we don't starve GC.
2622 Thread* self = Thread::Current();
2623 self->TransitionFromRunnableToSuspended(kNative);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002624
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002625 return true;
Vladimir Marko919f5532016-01-20 19:13:01 +00002626 }
2627
Jeff Haodcdc85b2015-12-04 14:06:18 -08002628 // Let the ImageWriter write the image files. If we do not compile PIC, also fix up the oat files.
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002629 bool CreateImageFile()
Mathieu Chartier90443472015-07-16 20:32:27 -07002630 REQUIRES(!Locks::mutator_lock_) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002631 CHECK(image_writer_ != nullptr);
Jeff Haodcdc85b2015-12-04 14:06:18 -08002632 if (!IsBootImage()) {
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002633 CHECK(image_filenames_.empty());
Jeff Haodcdc85b2015-12-04 14:06:18 -08002634 image_filenames_.push_back(app_image_file_name_.c_str());
2635 }
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002636 if (!image_writer_->Write(app_image_fd_,
2637 image_filenames_,
Vladimir Marko944da602016-02-19 12:27:55 +00002638 oat_filenames_)) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08002639 LOG(ERROR) << "Failure during image file creation";
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002640 return false;
2641 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002642
Jeff Haodcdc85b2015-12-04 14:06:18 -08002643 // We need the OatDataBegin entries.
Vladimir Marko944da602016-02-19 12:27:55 +00002644 dchecked_vector<uintptr_t> oat_data_begins;
2645 for (size_t i = 0, size = oat_filenames_.size(); i != size; ++i) {
2646 oat_data_begins.push_back(image_writer_->GetOatDataBegin(i));
Jeff Haodcdc85b2015-12-04 14:06:18 -08002647 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002648 // Destroy ImageWriter before doing FixupElf.
2649 image_writer_.reset();
2650
Vladimir Marko944da602016-02-19 12:27:55 +00002651 for (size_t i = 0, size = oat_filenames_.size(); i != size; ++i) {
2652 const char* oat_filename = oat_filenames_[i];
Jeff Haodcdc85b2015-12-04 14:06:18 -08002653 // Do not fix up the ELF file if we are --compile-pic or compiling the app image
2654 if (!compiler_options_->GetCompilePic() && IsBootImage()) {
2655 std::unique_ptr<File> oat_file(OS::OpenFileReadWrite(oat_filename));
2656 if (oat_file.get() == nullptr) {
2657 PLOG(ERROR) << "Failed to open ELF file: " << oat_filename;
2658 return false;
2659 }
Andreas Gampe4303ba92014-11-06 01:00:46 -08002660
Vladimir Marko74527972016-11-29 15:57:32 +00002661 if (!linker::ElfWriter::Fixup(oat_file.get(), oat_data_begins[i])) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08002662 oat_file->Erase();
2663 LOG(ERROR) << "Failed to fixup ELF file " << oat_file->GetPath();
2664 return false;
2665 }
2666
2667 if (oat_file->FlushCloseOrErase()) {
2668 PLOG(ERROR) << "Failed to flush and close fixed ELF file " << oat_file->GetPath();
2669 return false;
2670 }
Andreas Gampe4303ba92014-11-06 01:00:46 -08002671 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002672 }
2673
2674 return true;
2675 }
2676
2677 // Reads the class names (java.lang.Object) and returns a set of descriptors (Ljava/lang/Object;)
Vladimir Marko54159c62018-06-20 14:30:08 +01002678 static std::unique_ptr<HashSet<std::string>> ReadImageClassesFromFile(
Andreas Gampeb1fcead2015-04-20 18:53:51 -07002679 const char* image_classes_filename) {
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002680 std::function<std::string(const char*)> process = DotToDescriptor;
Vladimir Marko54159c62018-06-20 14:30:08 +01002681 return ReadCommentedInputFromFile<HashSet<std::string>>(image_classes_filename, &process);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002682 }
2683
2684 // Reads the class names (java.lang.Object) and returns a set of descriptors (Ljava/lang/Object;)
Vladimir Marko54159c62018-06-20 14:30:08 +01002685 static std::unique_ptr<HashSet<std::string>> ReadImageClassesFromZip(
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002686 const char* zip_filename,
2687 const char* image_classes_filename,
2688 std::string* error_msg) {
2689 std::function<std::string(const char*)> process = DotToDescriptor;
Vladimir Marko54159c62018-06-20 14:30:08 +01002690 return ReadCommentedInputFromZip<HashSet<std::string>>(zip_filename,
2691 image_classes_filename,
2692 &process,
2693 error_msg);
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002694 }
2695
2696 // Read lines from the given file, dropping comments and empty lines. Post-process each line with
2697 // the given function.
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002698 template <typename T>
Vladimir Marko54159c62018-06-20 14:30:08 +01002699 static std::unique_ptr<T> ReadCommentedInputFromFile(
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002700 const char* input_filename, std::function<std::string(const char*)>* process) {
2701 std::unique_ptr<std::ifstream> input_file(new std::ifstream(input_filename, std::ifstream::in));
2702 if (input_file.get() == nullptr) {
2703 LOG(ERROR) << "Failed to open input file " << input_filename;
2704 return nullptr;
2705 }
Vladimir Markodc4bcce2018-06-21 16:15:42 +01002706 std::unique_ptr<T> result = ReadCommentedInputStream<T>(*input_file, process);
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002707 input_file->close();
Vladimir Marko54159c62018-06-20 14:30:08 +01002708 return result;
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002709 }
2710
2711 // Read lines from the given file from the given zip file, dropping comments and empty lines.
2712 // Post-process each line with the given function.
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002713 template <typename T>
Vladimir Marko54159c62018-06-20 14:30:08 +01002714 static std::unique_ptr<T> ReadCommentedInputFromZip(
Andreas Gampeb1fcead2015-04-20 18:53:51 -07002715 const char* zip_filename,
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002716 const char* input_filename,
2717 std::function<std::string(const char*)>* process,
Andreas Gampeb1fcead2015-04-20 18:53:51 -07002718 std::string* error_msg) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002719 std::unique_ptr<ZipArchive> zip_archive(ZipArchive::Open(zip_filename, error_msg));
2720 if (zip_archive.get() == nullptr) {
2721 return nullptr;
2722 }
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002723 std::unique_ptr<ZipEntry> zip_entry(zip_archive->Find(input_filename, error_msg));
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002724 if (zip_entry.get() == nullptr) {
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002725 *error_msg = StringPrintf("Failed to find '%s' within '%s': %s", input_filename,
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002726 zip_filename, error_msg->c_str());
2727 return nullptr;
2728 }
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002729 std::unique_ptr<MemMap> input_file(zip_entry->ExtractToMemMap(zip_filename,
2730 input_filename,
2731 error_msg));
2732 if (input_file.get() == nullptr) {
2733 *error_msg = StringPrintf("Failed to extract '%s' from '%s': %s", input_filename,
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002734 zip_filename, error_msg->c_str());
2735 return nullptr;
2736 }
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002737 const std::string input_string(reinterpret_cast<char*>(input_file->Begin()),
2738 input_file->Size());
2739 std::istringstream input_stream(input_string);
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002740 return ReadCommentedInputStream<T>(input_stream, process);
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002741 }
2742
2743 // Read lines from the given stream, dropping comments and empty lines. Post-process each line
2744 // with the given function.
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002745 template <typename T>
Vladimir Marko54159c62018-06-20 14:30:08 +01002746 static std::unique_ptr<T> ReadCommentedInputStream(
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002747 std::istream& in_stream,
2748 std::function<std::string(const char*)>* process) {
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002749 std::unique_ptr<T> output(new T());
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002750 while (in_stream.good()) {
2751 std::string dot;
2752 std::getline(in_stream, dot);
Andreas Gampe9186ced2016-12-12 14:28:21 -08002753 if (android::base::StartsWith(dot, "#") || dot.empty()) {
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002754 continue;
2755 }
2756 if (process != nullptr) {
2757 std::string descriptor((*process)(dot.c_str()));
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002758 output->insert(output->end(), descriptor);
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002759 } else {
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002760 output->insert(output->end(), dot);
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002761 }
2762 }
Vladimir Marko54159c62018-06-20 14:30:08 +01002763 return output;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002764 }
2765
Mathieu Chartier49285c52014-12-02 15:43:48 -08002766 void LogCompletionTime() {
Andreas Gampe1d00add2015-02-27 19:35:46 -08002767 // Note: when creation of a runtime fails, e.g., when trying to compile an app but when there
2768 // is no image, there won't be a Runtime::Current().
Brian Carlstroma11a34c2015-03-06 08:44:45 -08002769 // Note: driver creation can fail when loading an invalid dex file.
Andreas Gampec560fc02014-07-16 09:57:39 -07002770 LOG(INFO) << "dex2oat took "
2771 << PrettyDuration(NanoTime() - start_ns_)
Andreas Gampecc967752016-12-12 13:49:00 -08002772 << " (" << PrettyDuration(ProcessCpuNanoTime() - start_cputime_ns_) << " cpu)"
Mathieu Chartierab972ef2014-12-03 17:38:22 -08002773 << " (threads: " << thread_count_ << ") "
Andreas Gampe3f30e122015-09-17 14:03:21 -07002774 << ((Runtime::Current() != nullptr && driver_ != nullptr) ?
Andreas Gampe1d00add2015-02-27 19:35:46 -08002775 driver_->GetMemoryUsageString(kIsDebugBuild || VLOG_IS_ON(compiler)) :
2776 "");
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002777 }
2778
Jeff Haodcdc85b2015-12-04 14:06:18 -08002779 std::string StripIsaFrom(const char* image_filename, InstructionSet isa) {
2780 std::string res(image_filename);
2781 size_t last_slash = res.rfind('/');
2782 if (last_slash == std::string::npos || last_slash == 0) {
2783 return res;
2784 }
2785 size_t penultimate_slash = res.rfind('/', last_slash - 1);
2786 if (penultimate_slash == std::string::npos) {
2787 return res;
2788 }
2789 // Check that the string in-between is the expected one.
2790 if (res.substr(penultimate_slash + 1, last_slash - penultimate_slash - 1) !=
2791 GetInstructionSetString(isa)) {
2792 LOG(WARNING) << "Unexpected string when trying to strip isa: " << res;
2793 return res;
2794 }
2795 return res.substr(0, penultimate_slash) + res.substr(last_slash);
2796 }
2797
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002798 std::unique_ptr<CompilerOptions> compiler_options_;
2799 Compiler::Kind compiler_kind_;
2800
2801 InstructionSet instruction_set_;
2802 std::unique_ptr<const InstructionSetFeatures> instruction_set_features_;
2803
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002804 uint32_t image_file_location_oat_checksum_;
2805 uintptr_t image_file_location_oat_data_begin_;
2806 int32_t image_patch_delta_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002807 std::unique_ptr<SafeMap<std::string, std::string> > key_value_store_;
2808
Vladimir Marko307dac92015-10-20 11:20:09 +01002809 std::unique_ptr<VerificationResults> verification_results_;
Andreas Gampe3f30e122015-09-17 14:03:21 -07002810
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002811 std::unique_ptr<QuickCompilerCallbacks> callbacks_;
2812
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002813 std::unique_ptr<Runtime> runtime_;
2814
Calin Juravle1ce70852017-06-28 10:59:03 -07002815 // The spec describing how the class loader should be setup for compilation.
2816 std::unique_ptr<ClassLoaderContext> class_loader_context_;
Richard Uhlerfbef44d2014-12-23 09:48:51 -08002817
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07002818 // The class loader context stored in the oat file. May be equal to class_loader_context_.
Mathieu Chartierc4440772018-04-16 14:40:56 -07002819 std::unique_ptr<ClassLoaderContext> stored_class_loader_context_;
Mathieu Chartierf5abfc42018-03-23 21:51:54 -07002820
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002821 size_t thread_count_;
2822 uint64_t start_ns_;
Andreas Gampec560fc02014-07-16 09:57:39 -07002823 uint64_t start_cputime_ns_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002824 std::unique_ptr<WatchDog> watchdog_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002825 std::vector<std::unique_ptr<File>> oat_files_;
David Brazdil7b49e6c2016-09-01 11:06:18 +01002826 std::vector<std::unique_ptr<File>> vdex_files_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002827 std::string oat_location_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002828 std::vector<const char*> oat_filenames_;
2829 std::vector<const char*> oat_unstripped_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002830 int oat_fd_;
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +00002831 int input_vdex_fd_;
2832 int output_vdex_fd_;
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00002833 std::string input_vdex_;
Nicolas Geoffray4e868fa2017-04-21 17:16:44 +01002834 std::string output_vdex_;
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00002835 std::unique_ptr<VdexFile> input_vdex_file_;
Nicolas Geoffraybaeaa9b2018-01-26 14:31:17 +00002836 int dm_fd_;
2837 std::string dm_file_location_;
2838 std::unique_ptr<ZipArchive> dm_file_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002839 std::vector<const char*> dex_filenames_;
2840 std::vector<const char*> dex_locations_;
2841 int zip_fd_;
2842 std::string zip_location_;
Vladimir Marko49b0f452015-12-10 13:49:19 +00002843 std::string boot_image_filename_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002844 std::vector<const char*> runtime_args_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002845 std::vector<const char*> image_filenames_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002846 uintptr_t image_base_;
2847 const char* image_classes_zip_filename_;
2848 const char* image_classes_filename_;
Mathieu Chartierceb07b32015-12-10 09:33:21 -08002849 ImageHeader::StorageMode image_storage_mode_;
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002850 const char* passes_to_run_filename_;
Jeff Haoc23b0c02017-07-27 18:19:38 -07002851 const char* dirty_image_objects_filename_;
Vladimir Marko54159c62018-06-20 14:30:08 +01002852 std::unique_ptr<HashSet<std::string>> dirty_image_objects_;
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002853 std::unique_ptr<std::vector<std::string>> passes_to_run_;
Jeff Hao436183f2016-01-12 16:36:50 -08002854 bool multi_image_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002855 bool is_host_;
2856 std::string android_root_;
Mathieu Chartier0b490842016-05-25 15:05:59 -07002857 // Dex files we are compiling, does not include the class path dex files.
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002858 std::vector<const DexFile*> dex_files_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002859 std::string no_inline_from_string_;
Mathieu Chartiera7f6b812017-12-11 13:34:29 -08002860 CompactDexLevel compact_dex_level_ = kDefaultCompactDexLevel;
Andreas Gampe3f30e122015-09-17 14:03:21 -07002861
Vladimir Marko74527972016-11-29 15:57:32 +00002862 std::vector<std::unique_ptr<linker::ElfWriter>> elf_writers_;
2863 std::vector<std::unique_ptr<linker::OatWriter>> oat_writers_;
2864 std::vector<linker::OutputStream*> rodata_;
2865 std::vector<std::unique_ptr<linker::OutputStream>> vdex_out_;
2866 std::unique_ptr<linker::ImageWriter> image_writer_;
Vladimir Marko307dac92015-10-20 11:20:09 +01002867 std::unique_ptr<CompilerDriver> driver_;
Andreas Gampe3f30e122015-09-17 14:03:21 -07002868
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002869 std::vector<std::unique_ptr<MemMap>> opened_dex_files_maps_;
2870 std::vector<std::unique_ptr<const DexFile>> opened_dex_files_;
2871
Mathieu Chartierd1ab1bd2017-08-04 10:21:50 -07002872 bool avoid_storing_invocation_;
Andreas Gampee21dc3d2014-12-08 16:59:43 -08002873 std::string swap_file_name_;
2874 int swap_fd_;
Andreas Gampee1459ae2016-06-29 09:36:30 -07002875 size_t min_dex_files_for_swap_ = kDefaultMinDexFilesForSwap;
2876 size_t min_dex_file_cumulative_size_for_swap_ = kDefaultMinDexFileCumulativeSizeForSwap;
Andreas Gampe67f02822016-06-24 21:05:23 -07002877 size_t very_large_threshold_ = std::numeric_limits<size_t>::max();
Mathieu Chartiera90c7722015-10-29 15:41:36 -07002878 std::string app_image_file_name_;
2879 int app_image_fd_;
Calin Juravle2e2db782016-02-23 12:00:03 +00002880 std::string profile_file_;
2881 int profile_file_fd_;
Calin Juravle998c2162015-12-21 15:39:33 +02002882 std::unique_ptr<ProfileCompilationInfo> profile_compilation_info_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002883 TimingLogger* timings_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002884 std::vector<std::vector<const DexFile*>> dex_files_per_oat_file_;
Vladimir Marko944da602016-02-19 12:27:55 +00002885 std::unordered_map<const DexFile*, size_t> dex_file_oat_index_map_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002886
2887 // Backing storage.
Andreas Gampe097f34c2017-08-23 08:57:51 -07002888 std::forward_list<std::string> char_backing_storage_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002889
Andreas Gampeace0dc12016-01-20 13:33:13 -08002890 // See CompilerOptions.force_determinism_.
2891 bool force_determinism_;
2892
Jeff Hao16d48432017-04-05 17:05:46 -07002893 // Directory of relative classpaths.
2894 std::string classpath_dir_;
2895
Nicolas Geoffray81f57d12016-12-20 13:17:09 +00002896 // Whether the given input vdex is also the output.
2897 bool update_input_vdex_ = false;
2898
Nicolas Geoffray66ff8a82018-02-28 13:27:55 +00002899 // By default, copy the dex to the vdex file only if dex files are
2900 // compressed in APK.
2901 CopyOption copy_dex_files_ = CopyOption::kOnlyIfCompressed;
Mathieu Chartier792111c2018-02-15 13:02:15 -08002902
Calin Juravle0e09dfc2018-02-12 19:01:09 -08002903 // The reason for invoking the compiler.
2904 std::string compilation_reason_;
2905
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002906 DISALLOW_IMPLICIT_CONSTRUCTORS(Dex2Oat);
2907};
2908
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002909static void b13564922() {
2910#if defined(__linux__) && defined(__arm__)
2911 int major, minor;
2912 struct utsname uts;
2913 if (uname(&uts) != -1 &&
2914 sscanf(uts.release, "%d.%d", &major, &minor) == 2 &&
2915 ((major < 3) || ((major == 3) && (minor < 4)))) {
2916 // Kernels before 3.4 don't handle the ASLR well and we can run out of address
2917 // space (http://b/13564922). Work around the issue by inhibiting further mmap() randomization.
2918 int old_personality = personality(0xffffffff);
2919 if ((old_personality & ADDR_NO_RANDOMIZE) == 0) {
2920 int new_personality = personality(old_personality | ADDR_NO_RANDOMIZE);
2921 if (new_personality == -1) {
2922 LOG(WARNING) << "personality(. | ADDR_NO_RANDOMIZE) failed.";
2923 }
2924 }
2925 }
2926#endif
2927}
2928
Mathieu Chartier72041a02017-07-14 18:23:25 -07002929class ScopedGlobalRef {
2930 public:
2931 explicit ScopedGlobalRef(jobject obj) : obj_(obj) {}
2932 ~ScopedGlobalRef() {
2933 if (obj_ != nullptr) {
2934 ScopedObjectAccess soa(Thread::Current());
Ian Rogers55256cb2017-12-21 17:07:11 -08002935 soa.Env()->GetVm()->DeleteGlobalRef(soa.Self(), obj_);
Mathieu Chartier72041a02017-07-14 18:23:25 -07002936 }
2937 }
2938
2939 private:
2940 jobject obj_;
2941};
2942
Andreas Gampe7b565912017-03-20 15:48:52 -07002943static dex2oat::ReturnCode CompileImage(Dex2Oat& dex2oat) {
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08002944 dex2oat.LoadClassProfileDescriptors();
Mathieu Chartier9e050df2017-08-09 10:05:47 -07002945 // Keep the class loader that was used for compilation live for the rest of the compilation
2946 // process.
Mathieu Chartier72041a02017-07-14 18:23:25 -07002947 ScopedGlobalRef class_loader(dex2oat.Compile());
Andreas Gampe10e477d2014-11-19 12:57:42 -08002948
David Brazdil7b49e6c2016-09-01 11:06:18 +01002949 if (!dex2oat.WriteOutputFiles()) {
2950 dex2oat.EraseOutputFiles();
Andreas Gampe7b565912017-03-20 15:48:52 -07002951 return dex2oat::ReturnCode::kOther;
Andreas Gampe10e477d2014-11-19 12:57:42 -08002952 }
2953
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002954 // Flush boot.oat. We always expect the output file by name, and it will be re-opened from the
2955 // unstripped name. Do not close the file if we are compiling the image with an oat fd since the
2956 // image writer will require this fd to generate the image.
2957 if (dex2oat.ShouldKeepOatFileOpen()) {
David Brazdil7b49e6c2016-09-01 11:06:18 +01002958 if (!dex2oat.FlushOutputFiles()) {
2959 dex2oat.EraseOutputFiles();
Andreas Gampe7b565912017-03-20 15:48:52 -07002960 return dex2oat::ReturnCode::kOther;
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002961 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01002962 } else if (!dex2oat.FlushCloseOutputFiles()) {
Andreas Gampe7b565912017-03-20 15:48:52 -07002963 return dex2oat::ReturnCode::kOther;
Andreas Gampe10e477d2014-11-19 12:57:42 -08002964 }
2965
Jeff Haodcdc85b2015-12-04 14:06:18 -08002966 // Creates the boot.art and patches the oat files.
Andreas Gampe10e477d2014-11-19 12:57:42 -08002967 if (!dex2oat.HandleImage()) {
Andreas Gampe7b565912017-03-20 15:48:52 -07002968 return dex2oat::ReturnCode::kOther;
Andreas Gampe10e477d2014-11-19 12:57:42 -08002969 }
2970
2971 // When given --host, finish early without stripping.
2972 if (dex2oat.IsHost()) {
Mathieu Chartier00bf2602017-03-02 10:14:08 -08002973 if (!dex2oat.FlushCloseOutputFiles()) {
Andreas Gampe7b565912017-03-20 15:48:52 -07002974 return dex2oat::ReturnCode::kOther;
Mathieu Chartier00bf2602017-03-02 10:14:08 -08002975 }
Andreas Gampe10e477d2014-11-19 12:57:42 -08002976 dex2oat.DumpTiming();
Andreas Gampe7b565912017-03-20 15:48:52 -07002977 return dex2oat::ReturnCode::kNoFailure;
Andreas Gampe10e477d2014-11-19 12:57:42 -08002978 }
2979
Jeff Haodcdc85b2015-12-04 14:06:18 -08002980 // Copy stripped to unstripped location, if necessary.
2981 if (!dex2oat.CopyStrippedToUnstripped()) {
Andreas Gampe7b565912017-03-20 15:48:52 -07002982 return dex2oat::ReturnCode::kOther;
Andreas Gampe10e477d2014-11-19 12:57:42 -08002983 }
2984
Jeff Haodcdc85b2015-12-04 14:06:18 -08002985 // FlushClose again, as stripping might have re-opened the oat files.
David Brazdil7b49e6c2016-09-01 11:06:18 +01002986 if (!dex2oat.FlushCloseOutputFiles()) {
Andreas Gampe7b565912017-03-20 15:48:52 -07002987 return dex2oat::ReturnCode::kOther;
Andreas Gampe10e477d2014-11-19 12:57:42 -08002988 }
2989
2990 dex2oat.DumpTiming();
Andreas Gampe7b565912017-03-20 15:48:52 -07002991 return dex2oat::ReturnCode::kNoFailure;
Andreas Gampe10e477d2014-11-19 12:57:42 -08002992}
2993
Andreas Gampe7b565912017-03-20 15:48:52 -07002994static dex2oat::ReturnCode CompileApp(Dex2Oat& dex2oat) {
Mathieu Chartier9e050df2017-08-09 10:05:47 -07002995 // Keep the class loader that was used for compilation live for the rest of the compilation
2996 // process.
Mathieu Chartier72041a02017-07-14 18:23:25 -07002997 ScopedGlobalRef class_loader(dex2oat.Compile());
Andreas Gampe10e477d2014-11-19 12:57:42 -08002998
David Brazdil7b49e6c2016-09-01 11:06:18 +01002999 if (!dex2oat.WriteOutputFiles()) {
3000 dex2oat.EraseOutputFiles();
Andreas Gampe7b565912017-03-20 15:48:52 -07003001 return dex2oat::ReturnCode::kOther;
Andreas Gampe10e477d2014-11-19 12:57:42 -08003002 }
3003
Jeff Haodcdc85b2015-12-04 14:06:18 -08003004 // Do not close the oat files here. We might have gotten the output file by file descriptor,
Andreas Gampe10e477d2014-11-19 12:57:42 -08003005 // which we would lose.
Andreas Gampe10e477d2014-11-19 12:57:42 -08003006
3007 // When given --host, finish early without stripping.
3008 if (dex2oat.IsHost()) {
David Brazdil7b49e6c2016-09-01 11:06:18 +01003009 if (!dex2oat.FlushCloseOutputFiles()) {
Andreas Gampe7b565912017-03-20 15:48:52 -07003010 return dex2oat::ReturnCode::kOther;
Andreas Gampe10e477d2014-11-19 12:57:42 -08003011 }
3012
3013 dex2oat.DumpTiming();
Andreas Gampe7b565912017-03-20 15:48:52 -07003014 return dex2oat::ReturnCode::kNoFailure;
Andreas Gampe10e477d2014-11-19 12:57:42 -08003015 }
3016
Jeff Haodcdc85b2015-12-04 14:06:18 -08003017 // Copy stripped to unstripped location, if necessary. This will implicitly flush & close the
3018 // stripped versions. If this is given, we expect to be able to open writable files by name.
3019 if (!dex2oat.CopyStrippedToUnstripped()) {
Andreas Gampe7b565912017-03-20 15:48:52 -07003020 return dex2oat::ReturnCode::kOther;
Andreas Gampe10e477d2014-11-19 12:57:42 -08003021 }
3022
Jeff Haodcdc85b2015-12-04 14:06:18 -08003023 // Flush and close the files.
David Brazdil7b49e6c2016-09-01 11:06:18 +01003024 if (!dex2oat.FlushCloseOutputFiles()) {
Andreas Gampe7b565912017-03-20 15:48:52 -07003025 return dex2oat::ReturnCode::kOther;
Andreas Gampe10e477d2014-11-19 12:57:42 -08003026 }
3027
3028 dex2oat.DumpTiming();
Andreas Gampe7b565912017-03-20 15:48:52 -07003029 return dex2oat::ReturnCode::kNoFailure;
Andreas Gampe10e477d2014-11-19 12:57:42 -08003030}
3031
Andreas Gampe7b565912017-03-20 15:48:52 -07003032static dex2oat::ReturnCode Dex2oat(int argc, char** argv) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08003033 b13564922();
3034
3035 TimingLogger timings("compiler", false, false);
3036
Roland Levillain5c7e2602016-02-23 18:08:53 +00003037 // Allocate `dex2oat` on the heap instead of on the stack, as Clang
3038 // might produce a stack frame too large for this function or for
3039 // functions inlining it (such as main), that would not fit the
3040 // requirements of the `-Wframe-larger-than` option.
Andreas Gampe8bdda5a2017-06-08 15:30:36 -07003041 std::unique_ptr<Dex2Oat> dex2oat = std::make_unique<Dex2Oat>(&timings);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08003042
3043 // Parse arguments. Argument mistakes will lead to exit(EXIT_FAILURE) in UsageError.
Roland Levillain5c7e2602016-02-23 18:08:53 +00003044 dex2oat->ParseArgs(argc, argv);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08003045
Calin Juravleb077e152016-02-18 18:47:37 +00003046 // If needed, process profile information for profile guided compilation.
Calin Juravle998c2162015-12-21 15:39:33 +02003047 // This operation involves I/O.
Mathieu Chartier11b3df32017-02-21 13:41:54 -08003048 if (dex2oat->UseProfile()) {
Calin Juravleb077e152016-02-18 18:47:37 +00003049 if (!dex2oat->LoadProfile()) {
3050 LOG(ERROR) << "Failed to process profile file";
Andreas Gampe7b565912017-03-20 15:48:52 -07003051 return dex2oat::ReturnCode::kOther;
Calin Juravle998c2162015-12-21 15:39:33 +02003052 }
3053 }
3054
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00003055 art::MemMap::Init(); // For ZipEntry::ExtractToMemMap, and vdex.
3056
Vladimir Marko9bdf1082016-01-21 12:15:52 +00003057 // Check early that the result of compilation can be written
Roland Levillain5c7e2602016-02-23 18:08:53 +00003058 if (!dex2oat->OpenFile()) {
Andreas Gampe7b565912017-03-20 15:48:52 -07003059 return dex2oat::ReturnCode::kOther;
Vladimir Marko9bdf1082016-01-21 12:15:52 +00003060 }
3061
Andreas Gampe046c7062015-05-18 23:22:54 -07003062 // Print the complete line when any of the following is true:
3063 // 1) Debug build
3064 // 2) Compiling an image
3065 // 3) Compiling with --host
3066 // 4) Compiling on the host (not a target build)
3067 // Otherwise, print a stripped command line.
Roland Levillain5c7e2602016-02-23 18:08:53 +00003068 if (kIsDebugBuild || dex2oat->IsBootImage() || dex2oat->IsHost() || !kIsTargetBuild) {
Andreas Gampe046c7062015-05-18 23:22:54 -07003069 LOG(INFO) << CommandLine();
3070 } else {
3071 LOG(INFO) << StrippedCommandLine();
3072 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08003073
Andreas Gampef7882972017-03-20 16:35:24 -07003074 dex2oat::ReturnCode setup_code = dex2oat->Setup();
3075 if (setup_code != dex2oat::ReturnCode::kNoFailure) {
David Brazdil7b49e6c2016-09-01 11:06:18 +01003076 dex2oat->EraseOutputFiles();
Andreas Gampef7882972017-03-20 16:35:24 -07003077 return setup_code;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08003078 }
3079
Shubham Ajmera188b2bf2017-09-20 15:53:35 -07003080 // TODO: Due to the cyclic dependencies, profile loading and verifying are
3081 // being done separately. Refactor and place the two next to each other.
3082 // If verification fails, we don't abort the compilation and instead log an
3083 // error.
3084 // TODO(b/62602192, b/65260586): We should consider aborting compilation when
3085 // the profile verification fails.
3086 // Note: If dex2oat fails, installd will remove the oat files causing the app
3087 // to fallback to apk with possible in-memory extraction. We want to avoid
3088 // that, and thus we're lenient towards profile corruptions.
3089 if (dex2oat->UseProfile()) {
3090 dex2oat->VerifyProfileData();
3091 }
3092
Wojciech Staszkiewicz529827d2016-09-15 10:30:30 -07003093 // Helps debugging on device. Can be used to determine which dalvikvm instance invoked a dex2oat
3094 // instance. Used by tools/bisection_search/bisection_search.py.
Wojciech Staszkiewicz0a4c75f2016-09-13 12:06:36 -07003095 VLOG(compiler) << "Running dex2oat (parent PID = " << getppid() << ")";
3096
Andreas Gampe7b565912017-03-20 15:48:52 -07003097 dex2oat::ReturnCode result;
Roland Levillain5c7e2602016-02-23 18:08:53 +00003098 if (dex2oat->IsImage()) {
3099 result = CompileImage(*dex2oat);
Andreas Gampe10e477d2014-11-19 12:57:42 -08003100 } else {
Roland Levillain5c7e2602016-02-23 18:08:53 +00003101 result = CompileApp(*dex2oat);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08003102 }
Mathieu Chartier673ed3d2015-08-28 14:56:43 -07003103
Mathieu Chartier673ed3d2015-08-28 14:56:43 -07003104 return result;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08003105}
Brian Carlstrom7934ac22013-07-26 10:54:15 -07003106} // namespace art
Brian Carlstrom7940e442013-07-12 13:46:57 -07003107
3108int main(int argc, char** argv) {
Andreas Gampe7b565912017-03-20 15:48:52 -07003109 int result = static_cast<int>(art::Dex2oat(argc, argv));
Andreas Gampe88ec7f42014-11-05 10:18:32 -08003110 // Everything was done, do an explicit exit here to avoid running Runtime destructors that take
Roland Levillain05e34f42018-05-24 13:19:05 +00003111 // time (bug 10645725) unless we're a debug or instrumented build or running on a memory tool.
3112 // Note: The Dex2Oat class should not destruct the runtime in this case.
3113 if (!art::kIsDebugBuild && !art::kIsPGOInstrumentation && !art::kRunningOnMemoryTool) {
Andreas Gampee286b642017-04-13 12:20:42 -07003114 _exit(result);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08003115 }
3116 return result;
Brian Carlstrom7940e442013-07-12 13:46:57 -07003117}