blob: 57d2efe864dc861b1601cb05ce0bcbd3d6738ef8 [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
23#include <fstream>
24#include <iostream>
Andreas Gampe67f02822016-06-24 21:05:23 -070025#include <limits>
Brian Carlstrom7940e442013-07-12 13:46:57 -070026#include <sstream>
27#include <string>
Andreas Gampeb1fcead2015-04-20 18:53:51 -070028#include <unordered_set>
Brian Carlstrom7940e442013-07-12 13:46:57 -070029#include <vector>
30
Vladimir Markof94b7812014-06-05 15:48:04 +010031#if defined(__linux__) && defined(__arm__)
32#include <sys/personality.h>
33#include <sys/utsname.h>
34#endif
35
Ian Rogersd582fa42014-11-05 23:46:43 -080036#include "arch/instruction_set_features.h"
Andreas Gampec5a3ea72015-01-13 16:41:53 -080037#include "arch/mips/instruction_set_features_mips.h"
David Srbecky4fda4eb2016-02-05 13:34:46 +000038#include "art_method-inl.h"
Ian Rogersc7dd2952014-10-21 23:31:19 -070039#include "base/dumpable.h"
Andreas Gampe794ad762015-02-23 08:12:24 -080040#include "base/macros.h"
Calin Juravle2e2db782016-02-23 12:00:03 +000041#include "base/scoped_flock.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070042#include "base/stl_util.h"
43#include "base/stringpiece.h"
Vladimir Marko80afd022015-05-19 18:08:00 +010044#include "base/time_utils.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070045#include "base/timing_logger.h"
46#include "base/unix_file/fd_file.h"
47#include "class_linker.h"
Nicolas Geoffrayb34f69a2014-03-07 15:28:39 +000048#include "compiler.h"
Vladimir Marko2b5eaa22013-12-13 13:59:30 +000049#include "compiler_callbacks.h"
David Srbecky09c2a6b2016-03-11 17:11:44 +000050#include "debug/elf_debug_writer.h"
David Srbecky4fda4eb2016-02-05 13:34:46 +000051#include "debug/method_debug_info.h"
David Srbecky4fda4eb2016-02-05 13:34:46 +000052#include "dex/quick_compiler_callbacks.h"
53#include "dex/verification_results.h"
54#include "dex_file-inl.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070055#include "driver/compiler_driver.h"
Brian Carlstrom6449c622014-02-10 23:48:36 -080056#include "driver/compiler_options.h"
Andreas Gampe88ec7f42014-11-05 10:18:32 -080057#include "elf_file.h"
Tong Shen62d1ca32014-09-03 17:24:56 -070058#include "elf_writer.h"
Vladimir Marko10c13562015-11-25 14:33:36 +000059#include "elf_writer_quick.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070060#include "gc/space/image_space.h"
61#include "gc/space/space-inl.h"
62#include "image_writer.h"
Andreas Gampe2969bcd2015-03-09 12:57:41 -070063#include "interpreter/unstarted_runtime.h"
Calin Juravle998c2162015-12-21 15:39:33 +020064#include "jit/offline_profiling_info.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070065#include "leb128.h"
David Brazdil5d5a36b2016-09-14 15:34:10 +010066#include "linker/buffered_output_stream.h"
67#include "linker/file_output_stream.h"
Vladimir Marko944da602016-02-19 12:27:55 +000068#include "linker/multi_oat_relative_patcher.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070069#include "mirror/class-inl.h"
70#include "mirror/class_loader.h"
71#include "mirror/object-inl.h"
72#include "mirror/object_array-inl.h"
Jeff Haob11ffb72016-04-07 15:40:54 -070073#include "oat_file_assistant.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070074#include "oat_writer.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070075#include "os.h"
76#include "runtime.h"
Vladimir Marko49b0f452015-12-10 13:49:19 +000077#include "runtime_options.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070078#include "ScopedLocalRef.h"
Mathieu Chartier0795f232016-09-27 18:43:30 -070079#include "scoped_thread_state_change-inl.h"
Alex Light53cb16b2014-06-12 11:26:29 -070080#include "utils.h"
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +000081#include "vdex_file.h"
David Brazdilca3c8c32016-09-06 14:04:48 +010082#include "verifier/verifier_deps.h"
Brian Carlstrom7940e442013-07-12 13:46:57 -070083#include "well_known_classes.h"
84#include "zip_archive.h"
85
86namespace art {
87
Andreas Gampee1459ae2016-06-29 09:36:30 -070088static constexpr size_t kDefaultMinDexFilesForSwap = 2;
89static constexpr size_t kDefaultMinDexFileCumulativeSizeForSwap = 20 * MB;
90
Brian Carlstrom6449c622014-02-10 23:48:36 -080091static int original_argc;
92static char** original_argv;
93
94static std::string CommandLine() {
95 std::vector<std::string> command;
96 for (int i = 0; i < original_argc; ++i) {
97 command.push_back(original_argv[i]);
98 }
99 return Join(command, ' ');
100}
101
Andreas Gampe046c7062015-05-18 23:22:54 -0700102// A stripped version. Remove some less essential parameters. If we see a "--zip-fd=" parameter, be
103// even more aggressive. There won't be much reasonable data here for us in that case anyways (the
104// locations are all staged).
105static std::string StrippedCommandLine() {
106 std::vector<std::string> command;
107
108 // Do a pre-pass to look for zip-fd.
109 bool saw_zip_fd = false;
110 for (int i = 0; i < original_argc; ++i) {
111 if (StartsWith(original_argv[i], "--zip-fd=")) {
112 saw_zip_fd = true;
113 break;
114 }
115 }
116
117 // Now filter out things.
118 for (int i = 0; i < original_argc; ++i) {
119 // All runtime-arg parameters are dropped.
120 if (strcmp(original_argv[i], "--runtime-arg") == 0) {
121 i++; // Drop the next part, too.
122 continue;
123 }
124
125 // Any instruction-setXXX is dropped.
126 if (StartsWith(original_argv[i], "--instruction-set")) {
127 continue;
128 }
129
130 // The boot image is dropped.
131 if (StartsWith(original_argv[i], "--boot-image=")) {
132 continue;
133 }
134
Mathieu Chartier97590cc2016-02-03 15:50:29 -0800135 // The image format is dropped.
136 if (StartsWith(original_argv[i], "--image-format=")) {
137 continue;
138 }
139
Andreas Gampe046c7062015-05-18 23:22:54 -0700140 // This should leave any dex-file and oat-file options, describing what we compiled.
141
142 // However, we prefer to drop this when we saw --zip-fd.
143 if (saw_zip_fd) {
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700144 // Drop anything --zip-X, --dex-X, --oat-X, --swap-X, or --app-image-X
Andreas Gampe046c7062015-05-18 23:22:54 -0700145 if (StartsWith(original_argv[i], "--zip-") ||
146 StartsWith(original_argv[i], "--dex-") ||
147 StartsWith(original_argv[i], "--oat-") ||
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700148 StartsWith(original_argv[i], "--swap-") ||
149 StartsWith(original_argv[i], "--app-image-")) {
Andreas Gampe046c7062015-05-18 23:22:54 -0700150 continue;
151 }
152 }
153
154 command.push_back(original_argv[i]);
155 }
156
157 // Construct the final output.
158 if (command.size() <= 1U) {
159 // It seems only "/system/bin/dex2oat" is left, or not even that. Use a pretty line.
160 return "Starting dex2oat.";
161 }
162 return Join(command, ' ');
163}
164
Brian Carlstrom7940e442013-07-12 13:46:57 -0700165static void UsageErrorV(const char* fmt, va_list ap) {
166 std::string error;
167 StringAppendV(&error, fmt, ap);
168 LOG(ERROR) << error;
169}
170
171static void UsageError(const char* fmt, ...) {
172 va_list ap;
173 va_start(ap, fmt);
174 UsageErrorV(fmt, ap);
175 va_end(ap);
176}
177
Andreas Gampe794ad762015-02-23 08:12:24 -0800178NO_RETURN static void Usage(const char* fmt, ...) {
Brian Carlstrom7940e442013-07-12 13:46:57 -0700179 va_list ap;
180 va_start(ap, fmt);
181 UsageErrorV(fmt, ap);
182 va_end(ap);
183
Brian Carlstrom6449c622014-02-10 23:48:36 -0800184 UsageError("Command: %s", CommandLine().c_str());
185
Brian Carlstrom7940e442013-07-12 13:46:57 -0700186 UsageError("Usage: dex2oat [options]...");
187 UsageError("");
Jean-Philippe Halimi3d329d72015-03-23 14:09:48 +0100188 UsageError(" -j<number>: specifies the number of threads used for compilation.");
189 UsageError(" Default is the number of detected hardware threads available on the");
190 UsageError(" host system.");
191 UsageError(" Example: -j12");
192 UsageError("");
Richard Uhlere934df22015-03-17 11:26:16 -0700193 UsageError(" --dex-file=<dex-file>: specifies a .dex, .jar, or .apk file to compile.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700194 UsageError(" Example: --dex-file=/system/framework/core.jar");
195 UsageError("");
Richard Uhlere934df22015-03-17 11:26:16 -0700196 UsageError(" --dex-location=<dex-location>: specifies an alternative dex location to");
197 UsageError(" encode in the oat file for the corresponding --dex-file argument.");
198 UsageError(" Example: --dex-file=/home/build/out/system/framework/core.jar");
199 UsageError(" --dex-location=/system/framework/core.jar");
200 UsageError("");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700201 UsageError(" --zip-fd=<file-descriptor>: specifies a file descriptor of a zip file");
202 UsageError(" containing a classes.dex file to compile.");
203 UsageError(" Example: --zip-fd=5");
204 UsageError("");
Brian Carlstrom45602482013-07-21 22:07:55 -0700205 UsageError(" --zip-location=<zip-location>: specifies a symbolic name for the file");
206 UsageError(" corresponding to the file descriptor specified by --zip-fd.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700207 UsageError(" Example: --zip-location=/system/app/Calculator.apk");
208 UsageError("");
Jeff Haodcdc85b2015-12-04 14:06:18 -0800209 UsageError(" --oat-file=<file.oat>: specifies an oat output destination via a filename.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700210 UsageError(" Example: --oat-file=/system/framework/boot.oat");
211 UsageError("");
212 UsageError(" --oat-fd=<number>: specifies the oat output destination via a file descriptor.");
Wonil Kim9cb554a2014-04-28 11:26:55 +0900213 UsageError(" Example: --oat-fd=6");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700214 UsageError("");
215 UsageError(" --oat-location=<oat-name>: specifies a symbolic name for the file corresponding");
216 UsageError(" to the file descriptor specified by --oat-fd.");
217 UsageError(" Example: --oat-location=/data/dalvik-cache/system@app@Calculator.apk.oat");
218 UsageError("");
Jeff Haodcdc85b2015-12-04 14:06:18 -0800219 UsageError(" --oat-symbols=<file.oat>: specifies an oat output destination with full symbols.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700220 UsageError(" Example: --oat-symbols=/symbols/system/framework/boot.oat");
221 UsageError("");
Jeff Haodcdc85b2015-12-04 14:06:18 -0800222 UsageError(" --image=<file.art>: specifies an output image filename.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700223 UsageError(" Example: --image=/system/framework/boot.art");
224 UsageError("");
Mathieu Chartiera6e81ed2016-02-25 13:52:10 -0800225 UsageError(" --image-format=(uncompressed|lz4|lz4hc):");
Mathieu Chartierceb07b32015-12-10 09:33:21 -0800226 UsageError(" Which format to store the image.");
227 UsageError(" Example: --image-format=lz4");
228 UsageError(" Default: uncompressed");
229 UsageError("");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700230 UsageError(" --image-classes=<classname-file>: specifies classes to include in an image.");
231 UsageError(" Example: --image=frameworks/base/preloaded-classes");
232 UsageError("");
233 UsageError(" --base=<hex-address>: specifies the base address when creating a boot image.");
234 UsageError(" Example: --base=0x50000000");
235 UsageError("");
236 UsageError(" --boot-image=<file.art>: provide the image file for the boot class path.");
Kevin Brodsky64fff412015-11-24 14:24:34 +0000237 UsageError(" Do not include the arch as part of the name, it is added automatically.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700238 UsageError(" Example: --boot-image=/system/framework/boot.art");
Kevin Brodsky64fff412015-11-24 14:24:34 +0000239 UsageError(" (specifies /system/framework/<arch>/boot.art as the image file)");
Nicolas Geoffray9583fbc2014-02-28 15:21:07 +0000240 UsageError(" Default: $ANDROID_ROOT/system/framework/boot.art");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700241 UsageError("");
242 UsageError(" --android-root=<path>: used to locate libraries for portable linking.");
243 UsageError(" Example: --android-root=out/host/linux-x86");
244 UsageError(" Default: $ANDROID_ROOT");
245 UsageError("");
Andreas Gampe57b34292015-01-14 15:45:59 -0800246 UsageError(" --instruction-set=(arm|arm64|mips|mips64|x86|x86_64): compile for a particular");
Alex Light53cb16b2014-06-12 11:26:29 -0700247 UsageError(" instruction set.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700248 UsageError(" Example: --instruction-set=x86");
249 UsageError(" Default: arm");
250 UsageError("");
Dave Allison70202782013-10-22 17:52:19 -0700251 UsageError(" --instruction-set-features=...,: Specify instruction set features");
252 UsageError(" Example: --instruction-set-features=div");
253 UsageError(" Default: default");
254 UsageError("");
Igor Murashkin46774762014-10-22 11:37:02 -0700255 UsageError(" --compile-pic: Force indirect use of code, methods, and classes");
256 UsageError(" Default: disabled");
257 UsageError("");
Elliott Hughes956af0f2014-12-11 14:34:28 -0800258 UsageError(" --compiler-backend=(Quick|Optimizing): select compiler backend");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700259 UsageError(" set.");
Elliott Hughes956af0f2014-12-11 14:34:28 -0800260 UsageError(" Example: --compiler-backend=Optimizing");
Nicolas Geoffray409e8092015-10-01 10:32:19 +0100261 UsageError(" Default: Optimizing");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700262 UsageError("");
Nicolas Geoffray88157ef2014-09-12 10:29:53 +0100263 UsageError(" --compiler-filter="
264 "(verify-none"
Mathieu Chartier1cc7e8b2016-03-16 14:29:17 -0700265 "|verify-at-runtime"
Mathieu Chartiera8077802016-03-16 19:08:31 -0700266 "|verify-profile"
Nicolas Geoffray88157ef2014-09-12 10:29:53 +0100267 "|interpret-only"
Andreas Gampe29d38e72016-03-23 15:31:51 +0000268 "|time"
269 "|space-profile"
Nicolas Geoffray88157ef2014-09-12 10:29:53 +0100270 "|space"
271 "|balanced"
Andreas Gampe29d38e72016-03-23 15:31:51 +0000272 "|speed-profile"
Nicolas Geoffray88157ef2014-09-12 10:29:53 +0100273 "|speed"
Jeff Hao608f2ce2016-10-19 11:17:11 -0700274 "|layout-profile"
Andreas Gampe29d38e72016-03-23 15:31:51 +0000275 "|everything-profile"
276 "|everything):");
Jeff Hao4a200f52014-04-01 14:58:49 -0700277 UsageError(" select compiler filter.");
Mathieu Chartiera8077802016-03-16 19:08:31 -0700278 UsageError(" verify-profile requires a --profile(-fd) to also be passed in.");
Brian Carlstrom6449c622014-02-10 23:48:36 -0800279 UsageError(" Example: --compiler-filter=everything");
Brian Carlstrom6449c622014-02-10 23:48:36 -0800280 UsageError(" Default: speed");
Brian Carlstrom6449c622014-02-10 23:48:36 -0800281 UsageError("");
Brian Carlstrom6449c622014-02-10 23:48:36 -0800282 UsageError(" --huge-method-max=<method-instruction-count>: threshold size for a huge");
283 UsageError(" method for compiler filter tuning.");
284 UsageError(" Example: --huge-method-max=%d", CompilerOptions::kDefaultHugeMethodThreshold);
285 UsageError(" Default: %d", CompilerOptions::kDefaultHugeMethodThreshold);
286 UsageError("");
287 UsageError(" --large-method-max=<method-instruction-count>: threshold size for a large");
288 UsageError(" method for compiler filter tuning.");
289 UsageError(" Example: --large-method-max=%d", CompilerOptions::kDefaultLargeMethodThreshold);
290 UsageError(" Default: %d", CompilerOptions::kDefaultLargeMethodThreshold);
291 UsageError("");
292 UsageError(" --small-method-max=<method-instruction-count>: threshold size for a small");
293 UsageError(" method for compiler filter tuning.");
294 UsageError(" Example: --small-method-max=%d", CompilerOptions::kDefaultSmallMethodThreshold);
295 UsageError(" Default: %d", CompilerOptions::kDefaultSmallMethodThreshold);
296 UsageError("");
297 UsageError(" --tiny-method-max=<method-instruction-count>: threshold size for a tiny");
298 UsageError(" method for compiler filter tuning.");
299 UsageError(" Example: --tiny-method-max=%d", CompilerOptions::kDefaultTinyMethodThreshold);
300 UsageError(" Default: %d", CompilerOptions::kDefaultTinyMethodThreshold);
301 UsageError("");
302 UsageError(" --num-dex-methods=<method-count>: threshold size for a small dex file for");
303 UsageError(" compiler filter tuning. If the input has fewer than this many methods");
Mathieu Chartier1cc7e8b2016-03-16 14:29:17 -0700304 UsageError(" and the filter is not interpret-only or verify-none or verify-at-runtime, ");
305 UsageError(" overrides the filter to use speed");
Brian Carlstrom6449c622014-02-10 23:48:36 -0800306 UsageError(" Example: --num-dex-method=%d", CompilerOptions::kDefaultNumDexMethodsThreshold);
307 UsageError(" Default: %d", CompilerOptions::kDefaultNumDexMethodsThreshold);
308 UsageError("");
Calin Juravleec748352015-07-29 13:52:12 +0100309 UsageError(" --inline-depth-limit=<depth-limit>: the depth limit of inlining for fine tuning");
310 UsageError(" the compiler. A zero value will disable inlining. Honored only by Optimizing.");
Roland Levillaina215b952015-08-07 11:38:32 +0100311 UsageError(" Has priority over the --compiler-filter option. Intended for ");
312 UsageError(" development/experimental use.");
Calin Juravleec748352015-07-29 13:52:12 +0100313 UsageError(" Example: --inline-depth-limit=%d", CompilerOptions::kDefaultInlineDepthLimit);
314 UsageError(" Default: %d", CompilerOptions::kDefaultInlineDepthLimit);
315 UsageError("");
316 UsageError(" --inline-max-code-units=<code-units-count>: the maximum code units that a method");
317 UsageError(" can have to be considered for inlining. A zero value will disable inlining.");
Roland Levillaina215b952015-08-07 11:38:32 +0100318 UsageError(" Honored only by Optimizing. Has priority over the --compiler-filter option.");
319 UsageError(" Intended for development/experimental use.");
Calin Juravleec748352015-07-29 13:52:12 +0100320 UsageError(" Example: --inline-max-code-units=%d",
321 CompilerOptions::kDefaultInlineMaxCodeUnits);
322 UsageError(" Default: %d", CompilerOptions::kDefaultInlineMaxCodeUnits);
323 UsageError("");
Ian Rogers46398602013-08-20 07:50:36 -0700324 UsageError(" --dump-timing: display a breakdown of where time was spent");
325 UsageError("");
Alex Light53cb16b2014-06-12 11:26:29 -0700326 UsageError(" --include-patch-information: Include patching information so the generated code");
327 UsageError(" can have its base address moved without full recompilation.");
328 UsageError("");
329 UsageError(" --no-include-patch-information: Do not include patching information.");
330 UsageError("");
David Srbecky8363c772015-05-28 16:12:43 +0100331 UsageError(" -g");
332 UsageError(" --generate-debug-info: Generate debug information for native debugging,");
333 UsageError(" such as stack unwinding information, ELF symbols and DWARF sections.");
David Srbecky346dc992016-03-13 22:00:07 +0000334 UsageError(" If used without --debuggable, it will be best-effort only.");
David Srbecky3e09eeb2016-01-12 14:54:03 +0000335 UsageError(" This option does not affect the generated code. (disabled by default)");
Alex Light78382fa2014-06-06 15:45:32 -0700336 UsageError("");
David Srbecky8363c772015-05-28 16:12:43 +0100337 UsageError(" --no-generate-debug-info: Do not generate debug information for native debugging.");
David Srbecky8dc73242015-04-12 11:40:39 +0100338 UsageError("");
David Srbecky5b1c2ca2016-01-25 17:32:41 +0000339 UsageError(" --generate-mini-debug-info: Generate minimal amount of LZMA-compressed");
340 UsageError(" debug information necessary to print backtraces. (disabled by default)");
341 UsageError("");
David Srbecky346dc992016-03-13 22:00:07 +0000342 UsageError(" --no-generate-mini-debug-info: Do not generate backtrace info.");
David Srbecky5b1c2ca2016-01-25 17:32:41 +0000343 UsageError("");
Alexey Alexandrovab40c112016-09-19 09:33:49 -0700344 UsageError(" --generate-build-id: Generate GNU-compatible linker build ID ELF section with");
345 UsageError(" SHA-1 of the file content (and thus stable across identical builds)");
346 UsageError("");
347 UsageError(" --no-generate-build-id: Do not generate the build ID ELF section.");
348 UsageError("");
David Srbecky3e09eeb2016-01-12 14:54:03 +0000349 UsageError(" --debuggable: Produce code debuggable with Java debugger.");
David Srbecky0cf44932015-12-09 14:09:59 +0000350 UsageError("");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700351 UsageError(" --runtime-arg <argument>: used to specify various arguments for the runtime,");
352 UsageError(" such as initial heap size, maximum heap size, and verbose output.");
353 UsageError(" Use a separate --runtime-arg switch for each argument.");
354 UsageError(" Example: --runtime-arg -Xms256m");
Jeff Hao4a200f52014-04-01 14:58:49 -0700355 UsageError("");
Dave Allisond6ed6422014-04-09 23:36:15 +0000356 UsageError(" --profile-file=<filename>: specify profiler output file to use for compilation.");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700357 UsageError("");
Calin Juravle877fd962016-01-05 14:29:29 +0000358 UsageError(" --profile-file-fd=<number>: same as --profile-file but accepts a file descriptor.");
359 UsageError(" Cannot be used together with --profile-file.");
360 UsageError("");
Andreas Gampee21dc3d2014-12-08 16:59:43 -0800361 UsageError(" --swap-file=<file-name>: specifies a file to use for swap.");
362 UsageError(" Example: --swap-file=/data/tmp/swap.001");
363 UsageError("");
364 UsageError(" --swap-fd=<file-descriptor>: specifies a file to use for swap (by descriptor).");
365 UsageError(" Example: --swap-fd=10");
366 UsageError("");
Andreas Gampee1459ae2016-06-29 09:36:30 -0700367 UsageError(" --swap-dex-size-threshold=<size>: specifies the minimum total dex file size in");
368 UsageError(" bytes to allow the use of swap.");
369 UsageError(" Example: --swap-dex-size-threshold=1000000");
370 UsageError(" Default: %zu", kDefaultMinDexFileCumulativeSizeForSwap);
371 UsageError("");
372 UsageError(" --swap-dex-count-threshold=<count>: specifies the minimum number of dex files to");
373 UsageError(" allow the use of swap.");
374 UsageError(" Example: --swap-dex-count-threshold=10");
375 UsageError(" Default: %zu", kDefaultMinDexFilesForSwap);
376 UsageError("");
Andreas Gampe67f02822016-06-24 21:05:23 -0700377 UsageError(" --very-large-app-threshold=<size>: specifies the minimum total dex file size in");
378 UsageError(" bytes to consider the input \"very large\" and punt on the compilation.");
379 UsageError(" Example: --very-large-app-threshold=100000000");
380 UsageError("");
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700381 UsageError(" --app-image-fd=<file-descriptor>: specify output file descriptor for app image.");
382 UsageError(" Example: --app-image-fd=10");
383 UsageError("");
384 UsageError(" --app-image-file=<file-name>: specify a file name for app image.");
385 UsageError(" Example: --app-image-file=/data/dalvik-cache/system@app@Calculator.apk.art");
386 UsageError("");
Jeff Haodcdc85b2015-12-04 14:06:18 -0800387 UsageError(" --multi-image: specify that separate oat and image files be generated for each "
388 "input dex file.");
389 UsageError("");
Roland Levillaineb2c7412016-01-28 14:37:01 +0000390 UsageError(" --force-determinism: force the compiler to emit a deterministic output.");
391 UsageError(" This option is incompatible with read barriers (e.g., if dex2oat has been");
392 UsageError(" built with the environment variable `ART_USE_READ_BARRIER` set to `true`).");
393 UsageError("");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700394 std::cerr << "See log for usage error information\n";
395 exit(EXIT_FAILURE);
396}
397
Brian Carlstrom7940e442013-07-12 13:46:57 -0700398// The primary goal of the watchdog is to prevent stuck build servers
399// during development when fatal aborts lead to a cascade of failures
400// that result in a deadlock.
401class WatchDog {
Brian Carlstrom95b033b2014-12-03 22:29:37 -0800402// WatchDog defines its own CHECK_PTHREAD_CALL to avoid using LOG which uses locks
Brian Carlstrom7940e442013-07-12 13:46:57 -0700403#undef CHECK_PTHREAD_CALL
404#define CHECK_WATCH_DOG_PTHREAD_CALL(call, args, what) \
405 do { \
406 int rc = call args; \
407 if (rc != 0) { \
408 errno = rc; \
409 std::string message(# call); \
410 message += " failed for "; \
411 message += reason; \
412 Fatal(message); \
413 } \
414 } while (false)
415
416 public:
Brian Carlstrom93ba8932013-07-17 21:31:49 -0700417 explicit WatchDog(bool is_watch_dog_enabled) {
Brian Carlstrom7940e442013-07-12 13:46:57 -0700418 is_watch_dog_enabled_ = is_watch_dog_enabled;
419 if (!is_watch_dog_enabled_) {
420 return;
421 }
422 shutting_down_ = false;
423 const char* reason = "dex2oat watch dog thread startup";
Kenny Root51316382014-05-13 14:59:37 -0700424 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_init, (&mutex_, nullptr), reason);
425 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_init, (&cond_, nullptr), reason);
Brian Carlstrom7940e442013-07-12 13:46:57 -0700426 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_attr_init, (&attr_), reason);
427 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_create, (&pthread_, &attr_, &CallBack, this), reason);
428 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_attr_destroy, (&attr_), reason);
429 }
430 ~WatchDog() {
431 if (!is_watch_dog_enabled_) {
432 return;
433 }
434 const char* reason = "dex2oat watch dog thread shutdown";
435 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_lock, (&mutex_), reason);
436 shutting_down_ = true;
437 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_signal, (&cond_), reason);
438 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_unlock, (&mutex_), reason);
439
Kenny Root51316382014-05-13 14:59:37 -0700440 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_join, (pthread_, nullptr), reason);
Brian Carlstrom7940e442013-07-12 13:46:57 -0700441
442 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_destroy, (&cond_), reason);
443 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_destroy, (&mutex_), reason);
444 }
445
446 private:
447 static void* CallBack(void* arg) {
448 WatchDog* self = reinterpret_cast<WatchDog*>(arg);
449 ::art::SetThreadName("dex2oat watch dog");
450 self->Wait();
Kenny Root51316382014-05-13 14:59:37 -0700451 return nullptr;
Brian Carlstrom7940e442013-07-12 13:46:57 -0700452 }
453
Andreas Gampe794ad762015-02-23 08:12:24 -0800454 NO_RETURN static void Fatal(const std::string& message) {
Andreas Gamped687e372015-04-28 23:16:03 -0700455 // TODO: When we can guarantee it won't prevent shutdown in error cases, move to LOG. However,
456 // it's rather easy to hang in unwinding.
457 // LogLine also avoids ART logging lock issues, as it's really only a wrapper around
458 // logcat logging or stderr output.
Andreas Gampe3fec9ac2016-09-13 10:47:28 -0700459 android::base::LogMessage::LogLine(__FILE__,
460 __LINE__,
461 android::base::LogId::DEFAULT,
462 LogSeverity::FATAL,
463 message.c_str());
Brian Carlstrom7940e442013-07-12 13:46:57 -0700464 exit(1);
465 }
466
467 void Wait() {
Brian Carlstrom7940e442013-07-12 13:46:57 -0700468 // TODO: tune the multiplier for GC verification, the following is just to make the timeout
469 // large.
Andreas Gamped687e372015-04-28 23:16:03 -0700470 constexpr int64_t multiplier = kVerifyObjectSupport > kVerifyObjectModeFast ? 100 : 1;
Brian Carlstrom7940e442013-07-12 13:46:57 -0700471 timespec timeout_ts;
472 InitTimeSpec(true, CLOCK_REALTIME, multiplier * kWatchDogTimeoutSeconds * 1000, 0, &timeout_ts);
473 const char* reason = "dex2oat watch dog thread waiting";
474 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_lock, (&mutex_), reason);
475 while (!shutting_down_) {
Brian Carlstrom95b033b2014-12-03 22:29:37 -0800476 int rc = TEMP_FAILURE_RETRY(pthread_cond_timedwait(&cond_, &mutex_, &timeout_ts));
Brian Carlstrom7940e442013-07-12 13:46:57 -0700477 if (rc == ETIMEDOUT) {
Andreas Gamped687e372015-04-28 23:16:03 -0700478 Fatal(StringPrintf("dex2oat did not finish after %" PRId64 " seconds",
479 kWatchDogTimeoutSeconds));
Brian Carlstrom7940e442013-07-12 13:46:57 -0700480 } else if (rc != 0) {
481 std::string message(StringPrintf("pthread_cond_timedwait failed: %s",
482 strerror(errno)));
483 Fatal(message.c_str());
484 }
485 }
486 CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_unlock, (&mutex_), reason);
487 }
488
489 // When setting timeouts, keep in mind that the build server may not be as fast as your desktop.
Mathieu Chartier13b9f432014-09-09 17:26:58 -0700490 // Debug builds are slower so they have larger timeouts.
Andreas Gamped687e372015-04-28 23:16:03 -0700491 static constexpr int64_t kSlowdownFactor = kIsDebugBuild ? 5U : 1U;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800492
Andreas Gampe540138a2015-09-14 15:34:38 -0700493 // 9.5 minutes scaled by kSlowdownFactor. This is slightly smaller than the Package Manager
494 // watchdog (PackageManagerService.WATCHDOG_TIMEOUT, 10 minutes), so that dex2oat will abort
495 // itself before that watchdog would take down the system server.
496 static constexpr int64_t kWatchDogTimeoutSeconds = kSlowdownFactor * (9 * 60 + 30);
Brian Carlstrom7940e442013-07-12 13:46:57 -0700497
498 bool is_watch_dog_enabled_;
499 bool shutting_down_;
500 // TODO: Switch to Mutex when we can guarantee it won't prevent shutdown in error cases.
501 pthread_mutex_t mutex_;
502 pthread_cond_t cond_;
503 pthread_attr_t attr_;
504 pthread_t pthread_;
505};
Brian Carlstrom7940e442013-07-12 13:46:57 -0700506
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800507class Dex2Oat FINAL {
508 public:
509 explicit Dex2Oat(TimingLogger* timings) :
Nicolas Geoffray409e8092015-10-01 10:32:19 +0100510 compiler_kind_(Compiler::kOptimizing),
Artem Serovba6b6792016-08-15 14:22:07 +0100511 instruction_set_(kRuntimeISA == kArm ? kThumb2 : kRuntimeISA),
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800512 // Take the default set of instruction features from the build.
Vladimir Marko9bdf1082016-01-21 12:15:52 +0000513 image_file_location_oat_checksum_(0),
514 image_file_location_oat_data_begin_(0),
515 image_patch_delta_(0),
516 key_value_store_(nullptr),
Andreas Gampe3f30e122015-09-17 14:03:21 -0700517 verification_results_(nullptr),
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800518 runtime_(nullptr),
519 thread_count_(sysconf(_SC_NPROCESSORS_CONF)),
520 start_ns_(NanoTime()),
521 oat_fd_(-1),
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +0000522 input_vdex_fd_(-1),
523 output_vdex_fd_(-1),
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +0000524 input_vdex_file_(nullptr),
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800525 zip_fd_(-1),
526 image_base_(0U),
527 image_classes_zip_filename_(nullptr),
528 image_classes_filename_(nullptr),
Mathieu Chartierceb07b32015-12-10 09:33:21 -0800529 image_storage_mode_(ImageHeader::kStorageModeUncompressed),
Andreas Gampe4bf3ae92014-11-11 13:28:29 -0800530 compiled_classes_zip_filename_(nullptr),
531 compiled_classes_filename_(nullptr),
Andreas Gampe70bef0d2015-04-15 02:37:28 -0700532 compiled_methods_zip_filename_(nullptr),
533 compiled_methods_filename_(nullptr),
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -0700534 passes_to_run_filename_(nullptr),
Jeff Hao436183f2016-01-12 16:36:50 -0800535 multi_image_(false),
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800536 is_host_(false),
Vladimir Marko9bdf1082016-01-21 12:15:52 +0000537 class_loader_(nullptr),
538 elf_writers_(),
539 oat_writers_(),
540 rodata_(),
Vladimir Marko10c13562015-11-25 14:33:36 +0000541 image_writer_(nullptr),
Andreas Gampe3f30e122015-09-17 14:03:21 -0700542 driver_(nullptr),
Vladimir Marko9bdf1082016-01-21 12:15:52 +0000543 opened_dex_files_maps_(),
544 opened_dex_files_(),
Vladimir Marko47496c22016-01-27 16:15:08 +0000545 no_inline_from_dex_files_(),
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800546 dump_stats_(false),
547 dump_passes_(false),
548 dump_timing_(false),
549 dump_slow_timing_(kIsDebugBuild),
Calin Juravle2e2db782016-02-23 12:00:03 +0000550 swap_fd_(kInvalidFd),
Mathieu Chartierfbc31082016-01-24 11:59:56 -0800551 app_image_fd_(kInvalidFd),
Calin Juravle2e2db782016-02-23 12:00:03 +0000552 profile_file_fd_(kInvalidFd),
Andreas Gampeace0dc12016-01-20 13:33:13 -0800553 timings_(timings),
Calin Juravle2e2db782016-02-23 12:00:03 +0000554 force_determinism_(false)
555 {}
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800556
557 ~Dex2Oat() {
Richard Uhlerfbef44d2014-12-23 09:48:51 -0800558 // Log completion time before deleting the runtime_, because this accesses
559 // the runtime.
560 LogCompletionTime();
561
Vladimir Marko307dac92015-10-20 11:20:09 +0100562 if (!kIsDebugBuild && !(RUNNING_ON_MEMORY_TOOL && kMemoryToolDetectsLeaks)) {
563 // We want to just exit on non-debug builds, not bringing the runtime down
564 // in an orderly fashion. So release the following fields.
565 driver_.release();
566 image_writer_.release();
567 for (std::unique_ptr<const DexFile>& dex_file : opened_dex_files_) {
568 dex_file.release();
569 }
Vladimir Marko9bdf1082016-01-21 12:15:52 +0000570 for (std::unique_ptr<MemMap>& map : opened_dex_files_maps_) {
571 map.release();
572 }
David Brazdil7b49e6c2016-09-01 11:06:18 +0100573 for (std::unique_ptr<File>& vdex_file : vdex_files_) {
574 vdex_file.release();
575 }
Jeff Haodcdc85b2015-12-04 14:06:18 -0800576 for (std::unique_ptr<File>& oat_file : oat_files_) {
577 oat_file.release();
578 }
Vladimir Marko307dac92015-10-20 11:20:09 +0100579 runtime_.release();
580 verification_results_.release();
581 key_value_store_.release();
Vladimir Markof94b7812014-06-05 15:48:04 +0100582 }
Brian Carlstrom7940e442013-07-12 13:46:57 -0700583 }
584
Roland Levillain9ec5e222015-08-17 20:18:41 +0100585 struct ParserOptions {
Jeff Haodcdc85b2015-12-04 14:06:18 -0800586 std::vector<const char*> oat_symbols;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800587 std::string boot_image_filename;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800588 bool watch_dog_enabled = true;
Nicolas Geoffray1412dfa2015-03-20 14:48:13 +0000589 bool requested_specific_compiler = false;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800590 std::string error_msg;
Roland Levillain9ec5e222015-08-17 20:18:41 +0100591 };
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800592
Roland Levillain9ec5e222015-08-17 20:18:41 +0100593 void ParseZipFd(const StringPiece& option) {
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +0000594 ParseUintOption(option, "--zip-fd", &zip_fd_, Usage);
Roland Levillain9ec5e222015-08-17 20:18:41 +0100595 }
596
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +0000597 void ParseInputVdexFd(const StringPiece& option) {
598 // Note that the input vdex fd might be -1.
599 ParseIntOption(option, "--input-vdex-fd", &input_vdex_fd_, Usage);
600 }
601
602 void ParseOutputVdexFd(const StringPiece& option) {
603 ParseUintOption(option, "--output-vdex-fd", &output_vdex_fd_, Usage);
David Brazdil7b49e6c2016-09-01 11:06:18 +0100604 }
605
Roland Levillain9ec5e222015-08-17 20:18:41 +0100606 void ParseOatFd(const StringPiece& option) {
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +0000607 ParseUintOption(option, "--oat-fd", &oat_fd_, Usage);
Roland Levillain9ec5e222015-08-17 20:18:41 +0100608 }
609
Calin Juravle877fd962016-01-05 14:29:29 +0000610 void ParseFdForCollection(const StringPiece& option,
611 const char* arg_name,
612 std::vector<uint32_t>* fds) {
613 uint32_t fd;
614 ParseUintOption(option, arg_name, &fd, Usage);
615 fds->push_back(fd);
616 }
617
Roland Levillain9ec5e222015-08-17 20:18:41 +0100618 void ParseJ(const StringPiece& option) {
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +0000619 ParseUintOption(option, "-j", &thread_count_, Usage, /* is_long_option */ false);
Roland Levillain9ec5e222015-08-17 20:18:41 +0100620 }
621
622 void ParseBase(const StringPiece& option) {
623 DCHECK(option.starts_with("--base="));
624 const char* image_base_str = option.substr(strlen("--base=")).data();
625 char* end;
626 image_base_ = strtoul(image_base_str, &end, 16);
627 if (end == image_base_str || *end != '\0') {
628 Usage("Failed to parse hexadecimal value for option %s", option.data());
629 }
630 }
631
632 void ParseInstructionSet(const StringPiece& option) {
633 DCHECK(option.starts_with("--instruction-set="));
634 StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data();
635 // StringPiece is not necessarily zero-terminated, so need to make a copy and ensure it.
636 std::unique_ptr<char[]> buf(new char[instruction_set_str.length() + 1]);
637 strncpy(buf.get(), instruction_set_str.data(), instruction_set_str.length());
638 buf.get()[instruction_set_str.length()] = 0;
639 instruction_set_ = GetInstructionSetFromString(buf.get());
640 // arm actually means thumb2.
641 if (instruction_set_ == InstructionSet::kArm) {
642 instruction_set_ = InstructionSet::kThumb2;
643 }
644 }
645
646 void ParseInstructionSetVariant(const StringPiece& option, ParserOptions* parser_options) {
647 DCHECK(option.starts_with("--instruction-set-variant="));
648 StringPiece str = option.substr(strlen("--instruction-set-variant=")).data();
Andreas Gampe0415b4e2015-01-06 15:17:07 -0800649 instruction_set_features_ = InstructionSetFeatures::FromVariant(
650 instruction_set_, str.as_string(), &parser_options->error_msg);
Roland Levillain9ec5e222015-08-17 20:18:41 +0100651 if (instruction_set_features_.get() == nullptr) {
652 Usage("%s", parser_options->error_msg.c_str());
653 }
654 }
655
656 void ParseInstructionSetFeatures(const StringPiece& option, ParserOptions* parser_options) {
657 DCHECK(option.starts_with("--instruction-set-features="));
658 StringPiece str = option.substr(strlen("--instruction-set-features=")).data();
Andreas Gampe0415b4e2015-01-06 15:17:07 -0800659 if (instruction_set_features_ == nullptr) {
660 instruction_set_features_ = InstructionSetFeatures::FromVariant(
661 instruction_set_, "default", &parser_options->error_msg);
Roland Levillain9ec5e222015-08-17 20:18:41 +0100662 if (instruction_set_features_.get() == nullptr) {
663 Usage("Problem initializing default instruction set features variant: %s",
664 parser_options->error_msg.c_str());
Brian Carlstrom7940e442013-07-12 13:46:57 -0700665 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800666 }
Andreas Gampe0415b4e2015-01-06 15:17:07 -0800667 instruction_set_features_ =
Roland Levillain9ec5e222015-08-17 20:18:41 +0100668 instruction_set_features_->AddFeaturesFromString(str.as_string(),
Andreas Gampe0415b4e2015-01-06 15:17:07 -0800669 &parser_options->error_msg);
670 if (instruction_set_features_ == nullptr) {
Roland Levillain9ec5e222015-08-17 20:18:41 +0100671 Usage("Error parsing '%s': %s", option.data(), parser_options->error_msg.c_str());
672 }
673 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800674
Roland Levillain9ec5e222015-08-17 20:18:41 +0100675 void ParseCompilerBackend(const StringPiece& option, ParserOptions* parser_options) {
676 DCHECK(option.starts_with("--compiler-backend="));
677 parser_options->requested_specific_compiler = true;
678 StringPiece backend_str = option.substr(strlen("--compiler-backend=")).data();
679 if (backend_str == "Quick") {
680 compiler_kind_ = Compiler::kQuick;
681 } else if (backend_str == "Optimizing") {
682 compiler_kind_ = Compiler::kOptimizing;
683 } else {
684 Usage("Unknown compiler backend: %s", backend_str.data());
685 }
686 }
687
Mathieu Chartierceb07b32015-12-10 09:33:21 -0800688 void ParseImageFormat(const StringPiece& option) {
689 const StringPiece substr("--image-format=");
690 DCHECK(option.starts_with(substr));
691 const StringPiece format_str = option.substr(substr.length());
692 if (format_str == "lz4") {
693 image_storage_mode_ = ImageHeader::kStorageModeLZ4;
Mathieu Chartiera6e81ed2016-02-25 13:52:10 -0800694 } else if (format_str == "lz4hc") {
695 image_storage_mode_ = ImageHeader::kStorageModeLZ4HC;
Mathieu Chartierceb07b32015-12-10 09:33:21 -0800696 } else if (format_str == "uncompressed") {
697 image_storage_mode_ = ImageHeader::kStorageModeUncompressed;
698 } else {
699 Usage("Unknown image format: %s", format_str.data());
700 }
701 }
702
Jeff Hao436183f2016-01-12 16:36:50 -0800703 void ProcessOptions(ParserOptions* parser_options) {
Vladimir Markoaad75c62016-10-03 08:46:48 +0000704 compiler_options_->boot_image_ = !image_filenames_.empty();
705 compiler_options_->app_image_ = app_image_fd_ != -1 || !app_image_file_name_.empty();
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700706
707 if (IsAppImage() && IsBootImage()) {
708 Usage("Can't have both --image and (--app-image-fd or --app-image-file)");
709 }
710
Jeff Haodcdc85b2015-12-04 14:06:18 -0800711 if (oat_filenames_.empty() && oat_fd_ == -1) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800712 Usage("Output must be supplied with either --oat-file or --oat-fd");
713 }
714
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +0000715 if (input_vdex_fd_ != -1 && !input_vdex_.empty()) {
716 Usage("Can't have both --input-vdex-fd and --input-vdex");
717 }
718
Jeff Haodcdc85b2015-12-04 14:06:18 -0800719 if (!oat_filenames_.empty() && oat_fd_ != -1) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800720 Usage("--oat-file should not be used with --oat-fd");
721 }
722
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +0000723 if ((output_vdex_fd_ == -1) != (oat_fd_ == -1)) {
David Brazdil7b49e6c2016-09-01 11:06:18 +0100724 Usage("VDEX and OAT output must be specified either with one --oat-filename "
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +0000725 "or with --oat-fd and --output-vdex-fd file descriptors");
David Brazdil7b49e6c2016-09-01 11:06:18 +0100726 }
727
Roland Levillain9ec5e222015-08-17 20:18:41 +0100728 if (!parser_options->oat_symbols.empty() && oat_fd_ != -1) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800729 Usage("--oat-symbols should not be used with --oat-fd");
730 }
731
Roland Levillain9ec5e222015-08-17 20:18:41 +0100732 if (!parser_options->oat_symbols.empty() && is_host_) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800733 Usage("--oat-symbols should not be used with --host");
734 }
735
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +0000736 if (output_vdex_fd_ != -1 && !image_filenames_.empty()) {
737 Usage("--output-vdex-fd should not be used with --image");
David Brazdil7b49e6c2016-09-01 11:06:18 +0100738 }
739
Jeff Haodcdc85b2015-12-04 14:06:18 -0800740 if (oat_fd_ != -1 && !image_filenames_.empty()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800741 Usage("--oat-fd should not be used with --image");
742 }
743
Jeff Haodcdc85b2015-12-04 14:06:18 -0800744 if (!parser_options->oat_symbols.empty() &&
745 parser_options->oat_symbols.size() != oat_filenames_.size()) {
746 Usage("--oat-file arguments do not match --oat-symbols arguments");
747 }
748
749 if (!image_filenames_.empty() && image_filenames_.size() != oat_filenames_.size()) {
750 Usage("--oat-file arguments do not match --image arguments");
751 }
752
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800753 if (android_root_.empty()) {
754 const char* android_root_env_var = getenv("ANDROID_ROOT");
755 if (android_root_env_var == nullptr) {
756 Usage("--android-root unspecified and ANDROID_ROOT not set");
Brian Carlstrom7940e442013-07-12 13:46:57 -0700757 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800758 android_root_ += android_root_env_var;
759 }
760
Vladimir Markoaad75c62016-10-03 08:46:48 +0000761 if (!IsBootImage() && parser_options->boot_image_filename.empty()) {
Roland Levillain9ec5e222015-08-17 20:18:41 +0100762 parser_options->boot_image_filename += android_root_;
763 parser_options->boot_image_filename += "/framework/boot.art";
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800764 }
Roland Levillain9ec5e222015-08-17 20:18:41 +0100765 if (!parser_options->boot_image_filename.empty()) {
Vladimir Marko49b0f452015-12-10 13:49:19 +0000766 boot_image_filename_ = parser_options->boot_image_filename;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800767 }
768
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700769 if (image_classes_filename_ != nullptr && !IsBootImage()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800770 Usage("--image-classes should only be used with --image");
771 }
772
Vladimir Marko49b0f452015-12-10 13:49:19 +0000773 if (image_classes_filename_ != nullptr && !boot_image_filename_.empty()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800774 Usage("--image-classes should not be used with --boot-image");
775 }
776
777 if (image_classes_zip_filename_ != nullptr && image_classes_filename_ == nullptr) {
778 Usage("--image-classes-zip should be used with --image-classes");
779 }
780
Mathieu Chartiera90c7722015-10-29 15:41:36 -0700781 if (compiled_classes_filename_ != nullptr && !IsBootImage()) {
Andreas Gampe4bf3ae92014-11-11 13:28:29 -0800782 Usage("--compiled-classes should only be used with --image");
783 }
784
Vladimir Marko49b0f452015-12-10 13:49:19 +0000785 if (compiled_classes_filename_ != nullptr && !boot_image_filename_.empty()) {
Andreas Gampe4bf3ae92014-11-11 13:28:29 -0800786 Usage("--compiled-classes should not be used with --boot-image");
787 }
788
789 if (compiled_classes_zip_filename_ != nullptr && compiled_classes_filename_ == nullptr) {
790 Usage("--compiled-classes-zip should be used with --compiled-classes");
791 }
792
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800793 if (dex_filenames_.empty() && zip_fd_ == -1) {
794 Usage("Input must be supplied with either --dex-file or --zip-fd");
795 }
796
797 if (!dex_filenames_.empty() && zip_fd_ != -1) {
798 Usage("--dex-file should not be used with --zip-fd");
799 }
800
801 if (!dex_filenames_.empty() && !zip_location_.empty()) {
802 Usage("--dex-file should not be used with --zip-location");
803 }
804
805 if (dex_locations_.empty()) {
806 for (const char* dex_file_name : dex_filenames_) {
807 dex_locations_.push_back(dex_file_name);
808 }
809 } else if (dex_locations_.size() != dex_filenames_.size()) {
810 Usage("--dex-location arguments do not match --dex-file arguments");
811 }
812
Jeff Haodcdc85b2015-12-04 14:06:18 -0800813 if (!dex_filenames_.empty() && !oat_filenames_.empty()) {
814 if (oat_filenames_.size() != 1 && oat_filenames_.size() != dex_filenames_.size()) {
815 Usage("--oat-file arguments must be singular or match --dex-file arguments");
816 }
817 }
818
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800819 if (zip_fd_ != -1 && zip_location_.empty()) {
820 Usage("--zip-location should be supplied with --zip-fd");
821 }
822
Vladimir Marko49b0f452015-12-10 13:49:19 +0000823 if (boot_image_filename_.empty()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800824 if (image_base_ == 0) {
825 Usage("Non-zero --base not specified");
826 }
827 }
828
Mathieu Chartiera8077802016-03-16 19:08:31 -0700829 const bool have_profile_file = !profile_file_.empty();
830 const bool have_profile_fd = profile_file_fd_ != kInvalidFd;
831 if (have_profile_file && have_profile_fd) {
Calin Juravle2e2db782016-02-23 12:00:03 +0000832 Usage("Profile file should not be specified with both --profile-file-fd and --profile-file");
Calin Juravle998c2162015-12-21 15:39:33 +0200833 }
834
Roland Levillain9ec5e222015-08-17 20:18:41 +0100835 if (!parser_options->oat_symbols.empty()) {
Jeff Haodcdc85b2015-12-04 14:06:18 -0800836 oat_unstripped_ = std::move(parser_options->oat_symbols);
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800837 }
838
839 // If no instruction set feature was given, use the default one for the target
840 // instruction set.
841 if (instruction_set_features_.get() == nullptr) {
Andreas Gampe0415b4e2015-01-06 15:17:07 -0800842 instruction_set_features_ = InstructionSetFeatures::FromVariant(
843 instruction_set_, "default", &parser_options->error_msg);
Ian Rogersd582fa42014-11-05 23:46:43 -0800844 if (instruction_set_features_.get() == nullptr) {
845 Usage("Problem initializing default instruction set features variant: %s",
Roland Levillain9ec5e222015-08-17 20:18:41 +0100846 parser_options->error_msg.c_str());
Ian Rogersd582fa42014-11-05 23:46:43 -0800847 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800848 }
849
850 if (instruction_set_ == kRuntimeISA) {
851 std::unique_ptr<const InstructionSetFeatures> runtime_features(
852 InstructionSetFeatures::FromCppDefines());
853 if (!instruction_set_features_->Equals(runtime_features.get())) {
854 LOG(WARNING) << "Mismatch between dex2oat instruction set features ("
855 << *instruction_set_features_ << ") and those of dex2oat executable ("
856 << *runtime_features <<") for the command line:\n"
857 << CommandLine();
858 }
859 }
860
Roland Levillaina215b952015-08-07 11:38:32 +0100861 // It they are not set, use default values for inlining settings.
862 // TODO: We should rethink the compiler filter. We mostly save
863 // time here, which is orthogonal to space.
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +0000864 if (compiler_options_->inline_depth_limit_ == CompilerOptions::kUnsetInlineDepthLimit) {
865 compiler_options_->inline_depth_limit_ =
Andreas Gampe29d38e72016-03-23 15:31:51 +0000866 (compiler_options_->compiler_filter_ == CompilerFilter::kSpace)
Roland Levillaina215b952015-08-07 11:38:32 +0100867 // Implementation of the space filter: limit inlining depth.
868 ? CompilerOptions::kSpaceFilterInlineDepthLimit
869 : CompilerOptions::kDefaultInlineDepthLimit;
870 }
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +0000871 if (compiler_options_->inline_max_code_units_ == CompilerOptions::kUnsetInlineMaxCodeUnits) {
872 compiler_options_->inline_max_code_units_ =
Andreas Gampe29d38e72016-03-23 15:31:51 +0000873 (compiler_options_->compiler_filter_ == CompilerFilter::kSpace)
Roland Levillaina215b952015-08-07 11:38:32 +0100874 // Implementation of the space filter: limit inlining max code units.
875 ? CompilerOptions::kSpaceFilterInlineMaxCodeUnits
876 : CompilerOptions::kDefaultInlineMaxCodeUnits;
877 }
878
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800879 // Checks are all explicit until we know the architecture.
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800880 // Set the compilation target's implicit checks options.
881 switch (instruction_set_) {
882 case kArm:
883 case kThumb2:
884 case kArm64:
885 case kX86:
886 case kX86_64:
Douglas Leung22bb5a22015-07-02 16:42:08 -0700887 case kMips:
888 case kMips64:
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +0000889 compiler_options_->implicit_null_checks_ = true;
890 compiler_options_->implicit_so_checks_ = true;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800891 break;
892
893 default:
894 // Defaults are correct.
895 break;
896 }
897
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +0000898 compiler_options_->verbose_methods_ = verbose_methods_.empty() ? nullptr : &verbose_methods_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800899
Jeff Hao436183f2016-01-12 16:36:50 -0800900 if (!IsBootImage() && multi_image_) {
Jeff Haodcdc85b2015-12-04 14:06:18 -0800901 Usage("--multi-image can only be used when creating boot images");
902 }
Jeff Hao436183f2016-01-12 16:36:50 -0800903 if (IsBootImage() && multi_image_ && image_filenames_.size() > 1) {
Jeff Haodcdc85b2015-12-04 14:06:18 -0800904 Usage("--multi-image cannot be used with multiple image names");
905 }
906
907 // For now, if we're on the host and compile the boot image, *always* use multiple image files.
908 if (!kIsTargetBuild && IsBootImage()) {
909 if (image_filenames_.size() == 1) {
Jeff Hao436183f2016-01-12 16:36:50 -0800910 multi_image_ = true;
Jeff Haodcdc85b2015-12-04 14:06:18 -0800911 }
912 }
913
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800914 // Done with usage checks, enable watchdog if requested
Roland Levillain9ec5e222015-08-17 20:18:41 +0100915 if (parser_options->watch_dog_enabled) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -0800916 watchdog_.reset(new WatchDog(true));
917 }
918
919 // Fill some values into the key-value store for the oat header.
920 key_value_store_.reset(new SafeMap<std::string, std::string>());
Andreas Gampeace0dc12016-01-20 13:33:13 -0800921
Hiroshi Yamauchi6af53482016-01-29 15:38:58 -0800922 // Automatically force determinism for the boot image in a host build if the default GC is CMS
923 // or MS and read barriers are not enabled, as the former switches the GC to a non-concurrent
924 // one by passing the option `-Xgc:nonconcurrent` (see below).
925 if (!kIsTargetBuild && IsBootImage()) {
926 if (SupportsDeterministicCompilation()) {
927 force_determinism_ = true;
928 } else {
929 LOG(WARNING) << "Deterministic compilation is disabled.";
930 }
Andreas Gampeace0dc12016-01-20 13:33:13 -0800931 }
932 compiler_options_->force_determinism_ = force_determinism_;
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -0700933
934 if (passes_to_run_filename_ != nullptr) {
935 passes_to_run_.reset(ReadCommentedInputFromFile<std::vector<std::string>>(
936 passes_to_run_filename_,
937 nullptr)); // No post-processing.
938 if (passes_to_run_.get() == nullptr) {
939 Usage("Failed to read list of passes to run.");
940 }
941 }
942 compiler_options_->passes_to_run_ = passes_to_run_.get();
Roland Levillain9ec5e222015-08-17 20:18:41 +0100943 }
944
Hiroshi Yamauchi6af53482016-01-29 15:38:58 -0800945 static bool SupportsDeterministicCompilation() {
946 return (gc::kCollectorTypeDefault == gc::kCollectorTypeCMS ||
947 gc::kCollectorTypeDefault == gc::kCollectorTypeMS) &&
948 !kEmitCompilerReadBarrier;
949 }
950
Jeff Hao436183f2016-01-12 16:36:50 -0800951 void ExpandOatAndImageFilenames() {
952 std::string base_oat = oat_filenames_[0];
953 size_t last_oat_slash = base_oat.rfind('/');
954 if (last_oat_slash == std::string::npos) {
955 Usage("--multi-image used with unusable oat filename %s", base_oat.c_str());
956 }
957 // We also need to honor path components that were encoded through '@'. Otherwise the loading
958 // code won't be able to find the images.
959 if (base_oat.find('@', last_oat_slash) != std::string::npos) {
960 last_oat_slash = base_oat.rfind('@');
961 }
962 base_oat = base_oat.substr(0, last_oat_slash + 1);
963
964 std::string base_img = image_filenames_[0];
965 size_t last_img_slash = base_img.rfind('/');
966 if (last_img_slash == std::string::npos) {
967 Usage("--multi-image used with unusable image filename %s", base_img.c_str());
968 }
969 // We also need to honor path components that were encoded through '@'. Otherwise the loading
970 // code won't be able to find the images.
971 if (base_img.find('@', last_img_slash) != std::string::npos) {
972 last_img_slash = base_img.rfind('@');
973 }
974
975 // Get the prefix, which is the primary image name (without path components). Strip the
976 // extension.
977 std::string prefix = base_img.substr(last_img_slash + 1);
978 if (prefix.rfind('.') != std::string::npos) {
979 prefix = prefix.substr(0, prefix.rfind('.'));
980 }
981 if (!prefix.empty()) {
982 prefix = prefix + "-";
983 }
984
985 base_img = base_img.substr(0, last_img_slash + 1);
986
987 // Note: we have some special case here for our testing. We have to inject the differentiating
988 // parts for the different core images.
989 std::string infix; // Empty infix by default.
990 {
991 // Check the first name.
992 std::string dex_file = oat_filenames_[0];
993 size_t last_dex_slash = dex_file.rfind('/');
994 if (last_dex_slash != std::string::npos) {
995 dex_file = dex_file.substr(last_dex_slash + 1);
996 }
997 size_t last_dex_dot = dex_file.rfind('.');
998 if (last_dex_dot != std::string::npos) {
999 dex_file = dex_file.substr(0, last_dex_dot);
1000 }
1001 if (StartsWith(dex_file, "core-")) {
1002 infix = dex_file.substr(strlen("core"));
1003 }
1004 }
1005
bowen_lai8bd36c02016-10-12 13:28:55 +08001006 std::string base_symbol_oat;
1007 if (!oat_unstripped_.empty()) {
1008 base_symbol_oat = oat_unstripped_[0];
1009 size_t last_symbol_oat_slash = base_symbol_oat.rfind('/');
1010 if (last_symbol_oat_slash == std::string::npos) {
1011 Usage("--multi-image used with unusable symbol filename %s", base_symbol_oat.c_str());
1012 }
1013 base_symbol_oat = base_symbol_oat.substr(0, last_symbol_oat_slash + 1);
1014 }
1015
1016 const size_t num_expanded_files = 2 + (base_symbol_oat.empty() ? 0 : 1);
1017 char_backing_storage_.reserve((dex_locations_.size() - 1) * num_expanded_files);
Ben Gruvera0fc3262016-09-30 13:10:42 -07001018
Jeff Hao436183f2016-01-12 16:36:50 -08001019 // Now create the other names. Use a counted loop to skip the first one.
1020 for (size_t i = 1; i < dex_locations_.size(); ++i) {
1021 // TODO: Make everything properly std::string.
1022 std::string image_name = CreateMultiImageName(dex_locations_[i], prefix, infix, ".art");
1023 char_backing_storage_.push_back(base_img + image_name);
1024 image_filenames_.push_back((char_backing_storage_.end() - 1)->c_str());
1025
1026 std::string oat_name = CreateMultiImageName(dex_locations_[i], prefix, infix, ".oat");
1027 char_backing_storage_.push_back(base_oat + oat_name);
1028 oat_filenames_.push_back((char_backing_storage_.end() - 1)->c_str());
bowen_lai8bd36c02016-10-12 13:28:55 +08001029
1030 if (!base_symbol_oat.empty()) {
1031 char_backing_storage_.push_back(base_symbol_oat + oat_name);
1032 oat_unstripped_.push_back((char_backing_storage_.end() - 1)->c_str());
1033 }
Jeff Hao436183f2016-01-12 16:36:50 -08001034 }
1035 }
1036
Andreas Gampe8994a042015-12-30 19:03:17 +00001037 // Modify the input string in the following way:
1038 // 0) Assume input is /a/b/c.d
1039 // 1) Strip the path -> c.d
1040 // 2) Inject prefix p -> pc.d
1041 // 3) Inject infix i -> pci.d
1042 // 4) Replace suffix with s if it's "jar" -> d == "jar" -> pci.s
Jeff Haodcdc85b2015-12-04 14:06:18 -08001043 static std::string CreateMultiImageName(std::string in,
Andreas Gampe8994a042015-12-30 19:03:17 +00001044 const std::string& prefix,
Jeff Haodcdc85b2015-12-04 14:06:18 -08001045 const std::string& infix,
Andreas Gampe8994a042015-12-30 19:03:17 +00001046 const char* replace_suffix) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001047 size_t last_dex_slash = in.rfind('/');
1048 if (last_dex_slash != std::string::npos) {
1049 in = in.substr(last_dex_slash + 1);
1050 }
Andreas Gampe8994a042015-12-30 19:03:17 +00001051 if (!prefix.empty()) {
1052 in = prefix + in;
1053 }
Jeff Haodcdc85b2015-12-04 14:06:18 -08001054 if (!infix.empty()) {
1055 // Inject infix.
1056 size_t last_dot = in.rfind('.');
1057 if (last_dot != std::string::npos) {
1058 in.insert(last_dot, infix);
1059 }
1060 }
1061 if (EndsWith(in, ".jar")) {
Andreas Gampe8994a042015-12-30 19:03:17 +00001062 in = in.substr(0, in.length() - strlen(".jar")) +
1063 (replace_suffix != nullptr ? replace_suffix : "");
Jeff Haodcdc85b2015-12-04 14:06:18 -08001064 }
1065 return in;
1066 }
1067
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001068 void InsertCompileOptions(int argc, char** argv) {
Roland Levillain9ec5e222015-08-17 20:18:41 +01001069 std::ostringstream oss;
1070 for (int i = 0; i < argc; ++i) {
1071 if (i > 0) {
1072 oss << ' ';
1073 }
1074 oss << argv[i];
1075 }
1076 key_value_store_->Put(OatHeader::kDex2OatCmdLineKey, oss.str());
1077 oss.str(""); // Reset.
1078 oss << kRuntimeISA;
1079 key_value_store_->Put(OatHeader::kDex2OatHostKey, oss.str());
1080 key_value_store_->Put(
1081 OatHeader::kPicKey,
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001082 compiler_options_->compile_pic_ ? OatHeader::kTrueValue : OatHeader::kFalseValue);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001083 key_value_store_->Put(
1084 OatHeader::kDebuggableKey,
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001085 compiler_options_->debuggable_ ? OatHeader::kTrueValue : OatHeader::kFalseValue);
David Srbecky5d950762016-03-07 20:47:29 +00001086 key_value_store_->Put(
1087 OatHeader::kNativeDebuggableKey,
David Srbecky346dc992016-03-13 22:00:07 +00001088 compiler_options_->GetNativeDebuggable() ? OatHeader::kTrueValue : OatHeader::kFalseValue);
Andreas Gampe29d38e72016-03-23 15:31:51 +00001089 key_value_store_->Put(OatHeader::kCompilerFilter,
1090 CompilerFilter::NameOfFilter(compiler_options_->GetCompilerFilter()));
Richard Uhlerd1537b52016-03-29 13:27:41 -07001091 key_value_store_->Put(OatHeader::kHasPatchInfoKey,
1092 compiler_options_->GetIncludePatchInformation() ? OatHeader::kTrueValue
1093 : OatHeader::kFalseValue);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001094 }
1095
1096 // Parse the arguments from the command line. In case of an unrecognized option or impossible
1097 // values/combinations, a usage error will be displayed and exit() is called. Thus, if the method
1098 // returns, arguments have been successfully parsed.
1099 void ParseArgs(int argc, char** argv) {
1100 original_argc = argc;
1101 original_argv = argv;
1102
David Sehrf57589f2016-10-17 10:09:33 -07001103 InitLogging(argv, Runtime::Aborter);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001104
1105 // Skip over argv[0].
1106 argv++;
1107 argc--;
1108
1109 if (argc == 0) {
1110 Usage("No arguments specified");
1111 }
1112
1113 std::unique_ptr<ParserOptions> parser_options(new ParserOptions());
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001114 compiler_options_.reset(new CompilerOptions());
Roland Levillain9ec5e222015-08-17 20:18:41 +01001115
1116 for (int i = 0; i < argc; i++) {
1117 const StringPiece option(argv[i]);
1118 const bool log_options = false;
1119 if (log_options) {
1120 LOG(INFO) << "dex2oat: option[" << i << "]=" << argv[i];
1121 }
1122 if (option.starts_with("--dex-file=")) {
1123 dex_filenames_.push_back(option.substr(strlen("--dex-file=")).data());
1124 } else if (option.starts_with("--dex-location=")) {
1125 dex_locations_.push_back(option.substr(strlen("--dex-location=")).data());
1126 } else if (option.starts_with("--zip-fd=")) {
1127 ParseZipFd(option);
1128 } else if (option.starts_with("--zip-location=")) {
1129 zip_location_ = option.substr(strlen("--zip-location=")).data();
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +00001130 } else if (option.starts_with("--input-vdex-fd=")) {
1131 ParseInputVdexFd(option);
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00001132 } else if (option.starts_with("--input-vdex=")) {
1133 input_vdex_ = option.substr(strlen("--input-vdex=")).data();
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +00001134 } else if (option.starts_with("--output-vdex-fd=")) {
1135 ParseOutputVdexFd(option);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001136 } else if (option.starts_with("--oat-file=")) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001137 oat_filenames_.push_back(option.substr(strlen("--oat-file=")).data());
Roland Levillain9ec5e222015-08-17 20:18:41 +01001138 } else if (option.starts_with("--oat-symbols=")) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001139 parser_options->oat_symbols.push_back(option.substr(strlen("--oat-symbols=")).data());
Roland Levillain9ec5e222015-08-17 20:18:41 +01001140 } else if (option.starts_with("--oat-fd=")) {
1141 ParseOatFd(option);
David Brazdil7b49e6c2016-09-01 11:06:18 +01001142 } else if (option.starts_with("--oat-location=")) {
1143 oat_location_ = option.substr(strlen("--oat-location=")).data();
Roland Levillain9ec5e222015-08-17 20:18:41 +01001144 } else if (option == "--watch-dog") {
1145 parser_options->watch_dog_enabled = true;
1146 } else if (option == "--no-watch-dog") {
1147 parser_options->watch_dog_enabled = false;
1148 } else if (option.starts_with("-j")) {
1149 ParseJ(option);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001150 } else if (option.starts_with("--image=")) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001151 image_filenames_.push_back(option.substr(strlen("--image=")).data());
Roland Levillain9ec5e222015-08-17 20:18:41 +01001152 } else if (option.starts_with("--image-classes=")) {
1153 image_classes_filename_ = option.substr(strlen("--image-classes=")).data();
1154 } else if (option.starts_with("--image-classes-zip=")) {
1155 image_classes_zip_filename_ = option.substr(strlen("--image-classes-zip=")).data();
Mathieu Chartierceb07b32015-12-10 09:33:21 -08001156 } else if (option.starts_with("--image-format=")) {
1157 ParseImageFormat(option);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001158 } else if (option.starts_with("--compiled-classes=")) {
1159 compiled_classes_filename_ = option.substr(strlen("--compiled-classes=")).data();
1160 } else if (option.starts_with("--compiled-classes-zip=")) {
1161 compiled_classes_zip_filename_ = option.substr(strlen("--compiled-classes-zip=")).data();
1162 } else if (option.starts_with("--compiled-methods=")) {
1163 compiled_methods_filename_ = option.substr(strlen("--compiled-methods=")).data();
1164 } else if (option.starts_with("--compiled-methods-zip=")) {
1165 compiled_methods_zip_filename_ = option.substr(strlen("--compiled-methods-zip=")).data();
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07001166 } else if (option.starts_with("--run-passes=")) {
1167 passes_to_run_filename_ = option.substr(strlen("--run-passes=")).data();
Roland Levillain9ec5e222015-08-17 20:18:41 +01001168 } else if (option.starts_with("--base=")) {
1169 ParseBase(option);
1170 } else if (option.starts_with("--boot-image=")) {
1171 parser_options->boot_image_filename = option.substr(strlen("--boot-image=")).data();
1172 } else if (option.starts_with("--android-root=")) {
1173 android_root_ = option.substr(strlen("--android-root=")).data();
1174 } else if (option.starts_with("--instruction-set=")) {
1175 ParseInstructionSet(option);
1176 } else if (option.starts_with("--instruction-set-variant=")) {
1177 ParseInstructionSetVariant(option, parser_options.get());
1178 } else if (option.starts_with("--instruction-set-features=")) {
1179 ParseInstructionSetFeatures(option, parser_options.get());
1180 } else if (option.starts_with("--compiler-backend=")) {
1181 ParseCompilerBackend(option, parser_options.get());
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001182 } else if (option.starts_with("--profile-file=")) {
Calin Juravle2e2db782016-02-23 12:00:03 +00001183 profile_file_ = option.substr(strlen("--profile-file=")).ToString();
Calin Juravle877fd962016-01-05 14:29:29 +00001184 } else if (option.starts_with("--profile-file-fd=")) {
Calin Juravle2e2db782016-02-23 12:00:03 +00001185 ParseUintOption(option, "--profile-file-fd", &profile_file_fd_, Usage);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001186 } else if (option == "--host") {
1187 is_host_ = true;
1188 } else if (option == "--runtime-arg") {
1189 if (++i >= argc) {
1190 Usage("Missing required argument for --runtime-arg");
1191 }
1192 if (log_options) {
1193 LOG(INFO) << "dex2oat: option[" << i << "]=" << argv[i];
1194 }
1195 runtime_args_.push_back(argv[i]);
1196 } else if (option == "--dump-timing") {
1197 dump_timing_ = true;
1198 } else if (option == "--dump-passes") {
1199 dump_passes_ = true;
Roland Levillain9ec5e222015-08-17 20:18:41 +01001200 } else if (option == "--dump-stats") {
1201 dump_stats_ = true;
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001202 } else if (option.starts_with("--swap-file=")) {
1203 swap_file_name_ = option.substr(strlen("--swap-file=")).data();
1204 } else if (option.starts_with("--swap-fd=")) {
Mathieu Chartiera90c7722015-10-29 15:41:36 -07001205 ParseUintOption(option, "--swap-fd", &swap_fd_, Usage);
Andreas Gampee1459ae2016-06-29 09:36:30 -07001206 } else if (option.starts_with("--swap-dex-size-threshold=")) {
1207 ParseUintOption(option,
1208 "--swap-dex-size-threshold",
1209 &min_dex_file_cumulative_size_for_swap_,
1210 Usage);
1211 } else if (option.starts_with("--swap-dex-count-threshold=")) {
1212 ParseUintOption(option,
1213 "--swap-dex-count-threshold",
1214 &min_dex_files_for_swap_,
1215 Usage);
Andreas Gampe67f02822016-06-24 21:05:23 -07001216 } else if (option.starts_with("--very-large-app-threshold=")) {
1217 ParseUintOption(option,
1218 "--very-large-app-threshold",
1219 &very_large_threshold_,
1220 Usage);
Mathieu Chartiera90c7722015-10-29 15:41:36 -07001221 } else if (option.starts_with("--app-image-file=")) {
1222 app_image_file_name_ = option.substr(strlen("--app-image-file=")).data();
1223 } else if (option.starts_with("--app-image-fd=")) {
1224 ParseUintOption(option, "--app-image-fd", &app_image_fd_, Usage);
Roland Levillain9ec5e222015-08-17 20:18:41 +01001225 } else if (option.starts_with("--verbose-methods=")) {
1226 // TODO: rather than switch off compiler logging, make all VLOG(compiler) messages
1227 // conditional on having verbost methods.
1228 gLogVerbosity.compiler = false;
1229 Split(option.substr(strlen("--verbose-methods=")).ToString(), ',', &verbose_methods_);
Jeff Haodcdc85b2015-12-04 14:06:18 -08001230 } else if (option == "--multi-image") {
Jeff Hao436183f2016-01-12 16:36:50 -08001231 multi_image_ = true;
Jeff Haodcdc85b2015-12-04 14:06:18 -08001232 } else if (option.starts_with("--no-inline-from=")) {
1233 no_inline_from_string_ = option.substr(strlen("--no-inline-from=")).data();
Andreas Gampeace0dc12016-01-20 13:33:13 -08001234 } else if (option == "--force-determinism") {
Hiroshi Yamauchi6af53482016-01-29 15:38:58 -08001235 if (!SupportsDeterministicCompilation()) {
1236 Usage("Cannot use --force-determinism with read barriers or non-CMS garbage collector");
Roland Levillaineb2c7412016-01-28 14:37:01 +00001237 }
Andreas Gampeace0dc12016-01-20 13:33:13 -08001238 force_determinism_ = true;
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001239 } else if (!compiler_options_->ParseCompilerOption(option, Usage)) {
Roland Levillain9ec5e222015-08-17 20:18:41 +01001240 Usage("Unknown argument %s", option.data());
1241 }
1242 }
1243
Jeff Hao436183f2016-01-12 16:36:50 -08001244 ProcessOptions(parser_options.get());
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001245
1246 // Insert some compiler things.
Nicolas Geoffrayabbb0f72015-10-29 18:55:58 +00001247 InsertCompileOptions(argc, argv);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001248 }
1249
Jeff Haodcdc85b2015-12-04 14:06:18 -08001250 // Check whether the oat output files are writable, and open them for later. Also open a swap
1251 // file, if a name is given.
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001252 bool OpenFile() {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001253 // Prune non-existent dex files now so that we don't create empty oat files for multi-image.
1254 PruneNonExistentDexFiles();
1255
Jeff Hao436183f2016-01-12 16:36:50 -08001256 // Expand oat and image filenames for multi image.
1257 if (IsBootImage() && multi_image_) {
1258 ExpandOatAndImageFilenames();
1259 }
1260
David Brazdil7b49e6c2016-09-01 11:06:18 +01001261 // OAT and VDEX file handling
1262
1263 if (oat_fd_ == -1) {
1264 DCHECK(!oat_filenames_.empty());
Jeff Haodcdc85b2015-12-04 14:06:18 -08001265 for (const char* oat_filename : oat_filenames_) {
1266 std::unique_ptr<File> oat_file(OS::CreateEmptyFile(oat_filename));
1267 if (oat_file.get() == nullptr) {
1268 PLOG(ERROR) << "Failed to create oat file: " << oat_filename;
1269 return false;
1270 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01001271 if (fchmod(oat_file->Fd(), 0644) != 0) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001272 PLOG(ERROR) << "Failed to make oat file world readable: " << oat_filename;
1273 oat_file->Erase();
1274 return false;
1275 }
1276 oat_files_.push_back(std::move(oat_file));
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00001277 DCHECK_EQ(input_vdex_fd_, -1);
1278 if (!input_vdex_.empty()) {
1279 std::string error_msg;
1280 input_vdex_file_.reset(VdexFile::Open(input_vdex_,
1281 /* writable */ false,
1282 /* low_4gb */ false,
1283 &error_msg));
1284 if (input_vdex_file_ != nullptr && !input_vdex_file_->IsValid()) {
1285 input_vdex_file_.reset(nullptr);
1286 }
1287 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01001288
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +00001289 DCHECK_EQ(output_vdex_fd_, -1);
David Brazdil7b49e6c2016-09-01 11:06:18 +01001290 std::string vdex_filename = ReplaceFileExtension(oat_filename, "vdex");
1291 std::unique_ptr<File> vdex_file(OS::CreateEmptyFile(vdex_filename.c_str()));
1292 if (vdex_file.get() == nullptr) {
1293 PLOG(ERROR) << "Failed to open vdex file: " << vdex_filename;
1294 return false;
1295 }
1296 if (fchmod(vdex_file->Fd(), 0644) != 0) {
1297 PLOG(ERROR) << "Failed to make vdex file world readable: " << vdex_filename;
1298 vdex_file->Erase();
1299 return false;
1300 }
1301 vdex_files_.push_back(std::move(vdex_file));
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001302 }
1303 } else {
David Brazdil7b49e6c2016-09-01 11:06:18 +01001304 std::unique_ptr<File> oat_file(new File(oat_fd_, oat_location_, /* check_usage */ true));
Jeff Haodcdc85b2015-12-04 14:06:18 -08001305 if (oat_file.get() == nullptr) {
1306 PLOG(ERROR) << "Failed to create oat file: " << oat_location_;
1307 return false;
1308 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01001309 oat_file->DisableAutoClose();
1310 if (oat_file->SetLength(0) != 0) {
1311 PLOG(WARNING) << "Truncating oat file " << oat_location_ << " failed.";
1312 }
1313 oat_files_.push_back(std::move(oat_file));
1314
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00001315 DCHECK_NE(input_vdex_fd_, output_vdex_fd_);
1316 if (input_vdex_fd_ != -1) {
1317 struct stat s;
1318 int rc = TEMP_FAILURE_RETRY(fstat(input_vdex_fd_, &s));
1319 if (rc == -1) {
1320 PLOG(WARNING) << "Failed getting length of vdex file";
1321 } else {
1322 std::string error_msg;
1323 input_vdex_file_.reset(VdexFile::Open(input_vdex_fd_,
1324 s.st_size,
1325 "vdex",
1326 /* writable */ false,
1327 /* low_4gb */ false,
1328 &error_msg));
1329 // If there's any problem with the passed vdex, just warn and proceed
1330 // without it.
1331 if (input_vdex_file_ == nullptr) {
1332 PLOG(WARNING) << "Failed opening vdex file " << error_msg;
1333 } else if (!input_vdex_file_->IsValid()) {
1334 PLOG(WARNING) << "Existing vdex file is invalid";
1335 input_vdex_file_.reset(nullptr);
1336 }
1337 }
1338 }
1339
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +00001340 DCHECK_NE(output_vdex_fd_, -1);
David Brazdil7b49e6c2016-09-01 11:06:18 +01001341 std::string vdex_location = ReplaceFileExtension(oat_location_, "vdex");
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +00001342 std::unique_ptr<File> vdex_file(new File(output_vdex_fd_, vdex_location, /* check_usage */ true));
David Brazdil7b49e6c2016-09-01 11:06:18 +01001343 if (vdex_file.get() == nullptr) {
1344 PLOG(ERROR) << "Failed to create vdex file: " << vdex_location;
Jeff Haodcdc85b2015-12-04 14:06:18 -08001345 return false;
1346 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01001347 vdex_file->DisableAutoClose();
1348 if (vdex_file->SetLength(0) != 0) {
1349 PLOG(WARNING) << "Truncating vdex file " << vdex_location << " failed.";
1350 }
1351 vdex_files_.push_back(std::move(vdex_file));
1352
Jeff Haodcdc85b2015-12-04 14:06:18 -08001353 oat_filenames_.push_back(oat_location_.c_str());
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001354 }
Andreas Gampee21dc3d2014-12-08 16:59:43 -08001355
David Brazdil7b49e6c2016-09-01 11:06:18 +01001356 // Swap file handling
Andreas Gampee21dc3d2014-12-08 16:59:43 -08001357 //
1358 // If the swap fd is not -1, we assume this is the file descriptor of an open but unlinked file
1359 // that we can use for swap.
1360 //
1361 // If the swap fd is -1 and we have a swap-file string, open the given file as a swap file. We
1362 // will immediately unlink to satisfy the swap fd assumption.
1363 if (swap_fd_ == -1 && !swap_file_name_.empty()) {
1364 std::unique_ptr<File> swap_file(OS::CreateEmptyFile(swap_file_name_.c_str()));
1365 if (swap_file.get() == nullptr) {
1366 PLOG(ERROR) << "Failed to create swap file: " << swap_file_name_;
1367 return false;
1368 }
1369 swap_fd_ = swap_file->Fd();
1370 swap_file->MarkUnchecked(); // We don't we to track this, it will be unlinked immediately.
1371 swap_file->DisableAutoClose(); // We'll handle it ourselves, the File object will be
1372 // released immediately.
1373 unlink(swap_file_name_.c_str());
1374 }
Jeff Hao436183f2016-01-12 16:36:50 -08001375
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001376 return true;
1377 }
1378
David Brazdil7b49e6c2016-09-01 11:06:18 +01001379 void EraseOutputFiles() {
1380 for (auto& files : { &vdex_files_, &oat_files_ }) {
1381 for (size_t i = 0; i < files->size(); ++i) {
1382 if ((*files)[i].get() != nullptr) {
1383 (*files)[i]->Erase();
1384 (*files)[i].reset();
1385 }
1386 }
Jeff Haodcdc85b2015-12-04 14:06:18 -08001387 }
Andreas Gampea650e702014-12-03 14:28:02 -08001388 }
1389
Mathieu Chartier673ed3d2015-08-28 14:56:43 -07001390 void Shutdown() {
1391 ScopedObjectAccess soa(Thread::Current());
1392 for (jobject dex_cache : dex_caches_) {
1393 soa.Env()->DeleteLocalRef(dex_cache);
1394 }
1395 dex_caches_.clear();
1396 }
1397
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08001398 void LoadClassProfileDescriptors() {
Vladimir Markoaad75c62016-10-03 08:46:48 +00001399 if (profile_compilation_info_ != nullptr && IsAppImage()) {
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08001400 Runtime* runtime = Runtime::Current();
1401 CHECK(runtime != nullptr);
1402 std::set<DexCacheResolvedClasses> resolved_classes(
1403 profile_compilation_info_->GetResolvedClasses());
Mathieu Chartier0b490842016-05-25 15:05:59 -07001404
1405 // Filter out class path classes since we don't want to include these in the image.
1406 std::unordered_set<std::string> dex_files_locations;
1407 for (const DexFile* dex_file : dex_files_) {
1408 dex_files_locations.insert(dex_file->GetLocation());
1409 }
1410 for (auto it = resolved_classes.begin(); it != resolved_classes.end(); ) {
1411 if (dex_files_locations.find(it->GetDexLocation()) == dex_files_locations.end()) {
1412 VLOG(compiler) << "Removed profile samples for non-app dex file " << it->GetDexLocation();
1413 it = resolved_classes.erase(it);
1414 } else {
1415 ++it;
1416 }
1417 }
1418
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08001419 image_classes_.reset(new std::unordered_set<std::string>(
1420 runtime->GetClassLinker()->GetClassDescriptorsForProfileKeys(resolved_classes)));
1421 VLOG(compiler) << "Loaded " << image_classes_->size()
1422 << " image class descriptors from profile";
1423 if (VLOG_IS_ON(compiler)) {
1424 for (const std::string& s : *image_classes_) {
1425 LOG(INFO) << "Image class " << s;
1426 }
1427 }
1428 }
1429 }
1430
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001431 // Set up the environment for compilation. Includes starting the runtime and loading/opening the
1432 // boot class path.
1433 bool Setup() {
1434 TimingLogger::ScopedTiming t("dex2oat Setup", timings_);
Vladimir Marko49b0f452015-12-10 13:49:19 +00001435
1436 if (!PrepareImageClasses() || !PrepareCompiledClasses() || !PrepareCompiledMethods()) {
1437 return false;
Brian Carlstrom7940e442013-07-12 13:46:57 -07001438 }
Brian Carlstromd76e0832013-08-29 15:17:42 -07001439
Vladimir Marko307dac92015-10-20 11:20:09 +01001440 verification_results_.reset(new VerificationResults(compiler_options_.get()));
Andreas Gampe4585f872015-03-27 23:45:15 -07001441 callbacks_.reset(new QuickCompilerCallbacks(
Vladimir Marko307dac92015-10-20 11:20:09 +01001442 verification_results_.get(),
Mathieu Chartiera90c7722015-10-29 15:41:36 -07001443 IsBootImage() ?
Andreas Gampe4585f872015-03-27 23:45:15 -07001444 CompilerCallbacks::CallbackMode::kCompileBootImage :
1445 CompilerCallbacks::CallbackMode::kCompileApp));
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001446
Vladimir Marko49b0f452015-12-10 13:49:19 +00001447 RuntimeArgumentMap runtime_options;
1448 if (!PrepareRuntimeOptions(&runtime_options)) {
1449 return false;
Andreas Gampe1d00add2015-02-27 19:35:46 -08001450 }
1451
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001452 CreateOatWriters();
1453 if (!AddDexFileSources()) {
1454 return false;
1455 }
1456
1457 if (IsBootImage() && image_filenames_.size() > 1) {
1458 // If we're compiling the boot image, store the boot classpath into the Key-Value store.
1459 // We need this for the multi-image case.
Mathieu Chartier866d8742016-09-21 15:24:18 -07001460 key_value_store_->Put(OatHeader::kBootClassPathKey,
1461 gc::space::ImageSpace::GetMultiImageBootClassPath(dex_locations_,
1462 oat_filenames_,
1463 image_filenames_));
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001464 }
1465
1466 if (!IsBootImage()) {
1467 // When compiling an app, create the runtime early to retrieve
1468 // the image location key needed for the oat header.
1469 if (!CreateRuntime(std::move(runtime_options))) {
1470 return false;
1471 }
1472
Andreas Gampe29d38e72016-03-23 15:31:51 +00001473 if (CompilerFilter::DependsOnImageChecksum(compiler_options_->GetCompilerFilter())) {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001474 TimingLogger::ScopedTiming t3("Loading image checksum", timings_);
1475 std::vector<gc::space::ImageSpace*> image_spaces =
1476 Runtime::Current()->GetHeap()->GetBootImageSpaces();
Jeff Haob11ffb72016-04-07 15:40:54 -07001477 image_file_location_oat_checksum_ = OatFileAssistant::CalculateCombinedImageChecksum();
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001478 image_file_location_oat_data_begin_ =
1479 reinterpret_cast<uintptr_t>(image_spaces[0]->GetImageHeader().GetOatDataBegin());
1480 image_patch_delta_ = image_spaces[0]->GetImageHeader().GetPatchDelta();
1481 // Store the boot image filename(s).
1482 std::vector<std::string> image_filenames;
1483 for (const gc::space::ImageSpace* image_space : image_spaces) {
1484 image_filenames.push_back(image_space->GetImageFilename());
1485 }
1486 std::string image_file_location = Join(image_filenames, ':');
1487 if (!image_file_location.empty()) {
1488 key_value_store_->Put(OatHeader::kImageLocationKey, image_file_location);
1489 }
Andreas Gampe29d38e72016-03-23 15:31:51 +00001490 } else {
1491 image_file_location_oat_checksum_ = 0u;
1492 image_file_location_oat_data_begin_ = 0u;
1493 image_patch_delta_ = 0;
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001494 }
1495
1496 // Open dex files for class path.
1497 const std::vector<std::string> class_path_locations =
1498 GetClassPathLocations(runtime_->GetClassPathString());
Jeff Haofbeb1322016-04-26 14:27:31 -07001499 OpenClassPathFiles(class_path_locations,
1500 &class_path_files_,
1501 &opened_oat_files_,
1502 runtime_->GetInstructionSet());
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001503
1504 // Store the classpath we have right now.
1505 std::vector<const DexFile*> class_path_files = MakeNonOwningPointerVector(class_path_files_);
Jeff Haof0192c82016-03-28 20:39:50 -07001506 std::string encoded_class_path;
1507 if (class_path_locations.size() == 1 &&
1508 class_path_locations[0] == OatFile::kSpecialSharedLibrary) {
1509 // When passing the special shared library as the classpath, it is the only path.
1510 encoded_class_path = OatFile::kSpecialSharedLibrary;
1511 } else {
1512 encoded_class_path = OatFile::EncodeDexFileDependencies(class_path_files);
1513 }
1514 key_value_store_->Put(OatHeader::kClassPathKey, encoded_class_path);
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001515 }
1516
1517 // Now that we have finalized key_value_store_, start writing the oat file.
Andreas Gampec7ae55d2015-09-15 20:04:54 -07001518 {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001519 TimingLogger::ScopedTiming t_dex("Writing and opening dex files", timings_);
1520 rodata_.reserve(oat_writers_.size());
1521 for (size_t i = 0, size = oat_writers_.size(); i != size; ++i) {
1522 rodata_.push_back(elf_writers_[i]->StartRoData());
1523 // Unzip or copy dex files straight to the oat file.
1524 std::unique_ptr<MemMap> opened_dex_files_map;
1525 std::vector<std::unique_ptr<const DexFile>> opened_dex_files;
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00001526 // No need to verify the dex file for:
1527 // 1) dexlayout, which already verified it
1528 // 2) when we have a vdex file, which means it was already verified.
1529 bool verify = compiler_options_->GetCompilerFilter() != CompilerFilter::kLayoutProfile &&
1530 (input_vdex_file_ == nullptr);
David Brazdil7b49e6c2016-09-01 11:06:18 +01001531 if (!oat_writers_[i]->WriteAndOpenDexFiles(
1532 kIsVdexEnabled ? vdex_files_[i].get() : oat_files_[i].get(),
1533 rodata_.back(),
1534 instruction_set_,
1535 instruction_set_features_.get(),
1536 key_value_store_.get(),
Jeff Hao042e8982016-10-19 11:17:11 -07001537 verify,
David Brazdil7b49e6c2016-09-01 11:06:18 +01001538 &opened_dex_files_map,
1539 &opened_dex_files)) {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001540 return false;
1541 }
1542 dex_files_per_oat_file_.push_back(MakeNonOwningPointerVector(opened_dex_files));
1543 if (opened_dex_files_map != nullptr) {
1544 opened_dex_files_maps_.push_back(std::move(opened_dex_files_map));
1545 for (std::unique_ptr<const DexFile>& dex_file : opened_dex_files) {
Vladimir Marko944da602016-02-19 12:27:55 +00001546 dex_file_oat_index_map_.emplace(dex_file.get(), i);
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001547 opened_dex_files_.push_back(std::move(dex_file));
1548 }
1549 } else {
1550 DCHECK(opened_dex_files.empty());
1551 }
1552 }
1553 }
1554
1555 dex_files_ = MakeNonOwningPointerVector(opened_dex_files_);
Andreas Gampe7386da42016-06-08 18:18:47 -07001556
1557 // We had to postpone the swap decision till now, as this is the point when we actually
1558 // know about the dex files we're going to use.
1559
1560 // Make sure that we didn't create the driver, yet.
1561 CHECK(driver_ == nullptr);
1562 // If we use a swap file, ensure we are above the threshold to make it necessary.
1563 if (swap_fd_ != -1) {
1564 if (!UseSwap(IsBootImage(), dex_files_)) {
1565 close(swap_fd_);
1566 swap_fd_ = -1;
1567 VLOG(compiler) << "Decided to run without swap.";
1568 } else {
1569 LOG(INFO) << "Large app, accepted running with swap.";
1570 }
1571 }
1572 // Note that dex2oat won't close the swap_fd_. The compiler driver's swap space will do that.
1573
Andreas Gampe67f02822016-06-24 21:05:23 -07001574 // If we need to downgrade the compiler-filter for size reasons, do that check now.
1575 if (!IsBootImage() && IsVeryLarge(dex_files_)) {
1576 if (!CompilerFilter::IsAsGoodAs(CompilerFilter::kVerifyAtRuntime,
1577 compiler_options_->GetCompilerFilter())) {
1578 LOG(INFO) << "Very large app, downgrading to verify-at-runtime.";
1579 // Note: this change won't be reflected in the key-value store, as that had to be
1580 // finalized before loading the dex files. This setup is currently required
1581 // to get the size from the DexFile objects.
1582 // TODO: refactor. b/29790079
1583 compiler_options_->SetCompilerFilter(CompilerFilter::kVerifyAtRuntime);
1584 }
1585 }
1586
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001587 if (IsBootImage()) {
1588 // For boot image, pass opened dex files to the Runtime::Create().
1589 // Note: Runtime acquires ownership of these dex files.
1590 runtime_options.Set(RuntimeArgumentMap::BootClassPathDexList, &opened_dex_files_);
Vladimir Marko49b0f452015-12-10 13:49:19 +00001591 if (!CreateRuntime(std::move(runtime_options))) {
Andreas Gampec7ae55d2015-09-15 20:04:54 -07001592 return false;
1593 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001594 }
1595
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001596 // If we're doing the image, override the compiler filter to force full compilation. Must be
1597 // done ahead of WellKnownClasses::Init that causes verification. Note: doesn't force
1598 // compilation of class initializers.
1599 // Whilst we're in native take the opportunity to initialize well known classes.
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001600 Thread* self = Thread::Current();
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001601 WellKnownClasses::Init(self->GetJniEnv());
1602
Mathieu Chartier673ed3d2015-08-28 14:56:43 -07001603 ClassLinker* const class_linker = Runtime::Current()->GetClassLinker();
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001604 if (!IsBootImage()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001605 constexpr bool kSaveDexInput = false;
1606 if (kSaveDexInput) {
Vladimir Marko49b0f452015-12-10 13:49:19 +00001607 SaveDexInput();
Brian Carlstromf79fccb2014-02-20 08:55:10 -08001608 }
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001609
1610 // Handle and ClassLoader creation needs to come after Runtime::Create.
1611 ScopedObjectAccess soa(self);
1612
1613 // Classpath: first the class-path given.
1614 std::vector<const DexFile*> class_path_files = MakeNonOwningPointerVector(class_path_files_);
1615
1616 // Then the dex files we'll compile. Thus we'll resolve the class-path first.
1617 class_path_files.insert(class_path_files.end(), dex_files_.begin(), dex_files_.end());
1618
1619 class_loader_ = class_linker->CreatePathClassLoader(self, class_path_files);
Brian Carlstromf79fccb2014-02-20 08:55:10 -08001620 }
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001621
1622 // Ensure opened dex files are writable for dex-to-dex transformations.
1623 for (const std::unique_ptr<MemMap>& map : opened_dex_files_maps_) {
1624 if (!map->Protect(PROT_READ | PROT_WRITE)) {
1625 PLOG(ERROR) << "Failed to make .dex files writeable.";
1626 return false;
Vladimir Marko919f5532016-01-20 19:13:01 +00001627 }
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001628 }
1629
1630 // Ensure that the dex caches stay live since we don't want class unloading
1631 // to occur during compilation.
1632 for (const auto& dex_file : dex_files_) {
Mathieu Chartier673ed3d2015-08-28 14:56:43 -07001633 ScopedObjectAccess soa(self);
1634 dex_caches_.push_back(soa.AddLocalReference<jobject>(
Mathieu Chartierf284d442016-06-02 11:48:30 -07001635 class_linker->RegisterDexFile(*dex_file,
Mathieu Chartier1cc62e42016-10-03 18:01:28 -07001636 soa.Decode<mirror::ClassLoader>(class_loader_).Ptr())));
Mathieu Chartierfc2dd612016-11-21 15:05:23 -08001637 // Pre-register dex files so that we can access verification results without locks during
1638 // compilation and verification.
1639 verification_results_->PreRegisterDexFile(dex_file);
Andreas Gampe22f8e5c2014-07-09 11:38:21 -07001640 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001641
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001642 return true;
Andreas Gampe22f8e5c2014-07-09 11:38:21 -07001643 }
Andreas Gampe22f8e5c2014-07-09 11:38:21 -07001644
Mathieu Chartierfbc31082016-01-24 11:59:56 -08001645 // If we need to keep the oat file open for the image writer.
1646 bool ShouldKeepOatFileOpen() const {
1647 return IsImage() && oat_fd_ != kInvalidFd;
1648 }
1649
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001650 // Create and invoke the compiler driver. This will compile all the dex files.
1651 void Compile() {
1652 TimingLogger::ScopedTiming t("dex2oat Compile", timings_);
1653 compiler_phases_timings_.reset(new CumulativeLogger("compilation times"));
Vladimir Markof4da6752014-08-01 19:04:18 +01001654
Vladimir Marko47496c22016-01-27 16:15:08 +00001655 // Find the dex files we should not inline from.
1656
1657 std::vector<std::string> no_inline_filters;
1658 Split(no_inline_from_string_, ',', &no_inline_filters);
Jeff Haodcdc85b2015-12-04 14:06:18 -08001659
1660 // For now, on the host always have core-oj removed.
Vladimir Marko47496c22016-01-27 16:15:08 +00001661 const std::string core_oj = "core-oj";
1662 if (!kIsTargetBuild && !ContainsElement(no_inline_filters, core_oj)) {
1663 no_inline_filters.push_back(core_oj);
Jeff Haodcdc85b2015-12-04 14:06:18 -08001664 }
1665
Vladimir Marko47496c22016-01-27 16:15:08 +00001666 if (!no_inline_filters.empty()) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001667 ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
1668 std::vector<const DexFile*> class_path_files = MakeNonOwningPointerVector(class_path_files_);
1669 std::vector<const std::vector<const DexFile*>*> dex_file_vectors = {
1670 &class_linker->GetBootClassPath(),
1671 &class_path_files,
1672 &dex_files_
1673 };
1674 for (const std::vector<const DexFile*>* dex_file_vector : dex_file_vectors) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001675 for (const DexFile* dex_file : *dex_file_vector) {
Vladimir Marko47496c22016-01-27 16:15:08 +00001676 for (const std::string& filter : no_inline_filters) {
1677 // Use dex_file->GetLocation() rather than dex_file->GetBaseLocation(). This
1678 // allows tests to specify <test-dexfile>:classes2.dex if needed but if the
1679 // base location passes the StartsWith() test, so do all extra locations.
1680 std::string dex_location = dex_file->GetLocation();
1681 if (filter.find('/') == std::string::npos) {
1682 // The filter does not contain the path. Remove the path from dex_location as well.
1683 size_t last_slash = dex_file->GetLocation().rfind('/');
1684 if (last_slash != std::string::npos) {
1685 dex_location = dex_location.substr(last_slash + 1);
1686 }
1687 }
1688
1689 if (StartsWith(dex_location, filter.c_str())) {
1690 VLOG(compiler) << "Disabling inlining from " << dex_file->GetLocation();
1691 no_inline_from_dex_files_.push_back(dex_file);
1692 break;
Jeff Haodcdc85b2015-12-04 14:06:18 -08001693 }
1694 }
Jeff Haodcdc85b2015-12-04 14:06:18 -08001695 }
Vladimir Marko47496c22016-01-27 16:15:08 +00001696 }
1697 if (!no_inline_from_dex_files_.empty()) {
1698 compiler_options_->no_inline_from_ = &no_inline_from_dex_files_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08001699 }
1700 }
1701
Vladimir Marko307dac92015-10-20 11:20:09 +01001702 driver_.reset(new CompilerDriver(compiler_options_.get(),
1703 verification_results_.get(),
Vladimir Marko307dac92015-10-20 11:20:09 +01001704 compiler_kind_,
1705 instruction_set_,
1706 instruction_set_features_.get(),
Vladimir Marko307dac92015-10-20 11:20:09 +01001707 image_classes_.release(),
1708 compiled_classes_.release(),
Wojciech Staszkiewicz62534792016-08-09 14:30:55 -07001709 compiled_methods_.release(),
Vladimir Marko307dac92015-10-20 11:20:09 +01001710 thread_count_,
1711 dump_stats_,
1712 dump_passes_,
Vladimir Marko307dac92015-10-20 11:20:09 +01001713 compiler_phases_timings_.get(),
1714 swap_fd_,
Calin Juravle998c2162015-12-21 15:39:33 +02001715 profile_compilation_info_.get()));
Vladimir Markod1eaf0d2015-10-29 12:18:29 +00001716 driver_->SetDexFilesForOatFile(dex_files_);
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00001717 driver_->CompileAll(class_loader_, dex_files_, input_vdex_file_.get(), timings_);
Vladimir Markof4da6752014-08-01 19:04:18 +01001718 }
1719
Jeff Hao436183f2016-01-12 16:36:50 -08001720 // Notes on the interleaving of creating the images and oat files to
Brian Carlstrom7940e442013-07-12 13:46:57 -07001721 // ensure the references between the two are correct.
1722 //
1723 // Currently we have a memory layout that looks something like this:
1724 //
1725 // +--------------+
Jeff Hao436183f2016-01-12 16:36:50 -08001726 // | images |
Brian Carlstrom7940e442013-07-12 13:46:57 -07001727 // +--------------+
Jeff Hao436183f2016-01-12 16:36:50 -08001728 // | oat files |
Brian Carlstrom7940e442013-07-12 13:46:57 -07001729 // +--------------+
1730 // | alloc spaces |
1731 // +--------------+
1732 //
Jeff Hao436183f2016-01-12 16:36:50 -08001733 // There are several constraints on the loading of the images and oat files.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001734 //
Jeff Hao436183f2016-01-12 16:36:50 -08001735 // 1. The images are expected to be loaded at an absolute address and
1736 // contain Objects with absolute pointers within the images.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001737 //
Jeff Hao436183f2016-01-12 16:36:50 -08001738 // 2. There are absolute pointers from Methods in the images to their
1739 // code in the oat files.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001740 //
Jeff Hao436183f2016-01-12 16:36:50 -08001741 // 3. There are absolute pointers from the code in the oat files to Methods
1742 // in the images.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001743 //
Jeff Hao436183f2016-01-12 16:36:50 -08001744 // 4. There are absolute pointers from code in the oat files to other code
1745 // in the oat files.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001746 //
1747 // To get this all correct, we go through several steps.
1748 //
Jeff Hao436183f2016-01-12 16:36:50 -08001749 // 1. We prepare offsets for all data in the oat files and calculate
Vladimir Markof4da6752014-08-01 19:04:18 +01001750 // the oat data size and code size. During this stage, we also set
1751 // oat code offsets in methods for use by the image writer.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001752 //
Jeff Hao436183f2016-01-12 16:36:50 -08001753 // 2. We prepare offsets for the objects in the images and calculate
1754 // the image sizes.
Vladimir Markof4da6752014-08-01 19:04:18 +01001755 //
Jeff Hao436183f2016-01-12 16:36:50 -08001756 // 3. We create the oat files. Originally this was just our own proprietary
Vladimir Markof4da6752014-08-01 19:04:18 +01001757 // file but now it is contained within an ELF dynamic object (aka an .so
Jeff Hao436183f2016-01-12 16:36:50 -08001758 // file). Since we know the image sizes and oat data sizes and code sizes we
Vladimir Markof4da6752014-08-01 19:04:18 +01001759 // can prepare the ELF headers and we then know the ELF memory segment
1760 // layout and we can now resolve all references. The compiler provides
1761 // LinkerPatch information in each CompiledMethod and we resolve these,
1762 // using the layout information and image object locations provided by
1763 // image writer, as we're writing the method code.
1764 //
Jeff Hao436183f2016-01-12 16:36:50 -08001765 // 4. We create the image files. They need to know where the oat files
1766 // will be loaded after itself. Originally oat files were simply
1767 // memory mapped so we could predict where their contents were based
1768 // on the file size. Now that they are ELF files, we need to inspect
1769 // the ELF files to understand the in memory segment layout including
Vladimir Markof4da6752014-08-01 19:04:18 +01001770 // where the oat header is located within.
1771 // TODO: We could just remember this information from step 3.
Brian Carlstrom7940e442013-07-12 13:46:57 -07001772 //
Vladimir Markof4da6752014-08-01 19:04:18 +01001773 // 5. We fixup the ELF program headers so that dlopen will try to
Brian Carlstrom7940e442013-07-12 13:46:57 -07001774 // load the .so at the desired location at runtime by offsetting the
1775 // Elf32_Phdr.p_vaddr values by the desired base address.
Vladimir Markof4da6752014-08-01 19:04:18 +01001776 // TODO: Do this in step 3. We already know the layout there.
1777 //
1778 // Steps 1.-3. are done by the CreateOatFile() above, steps 4.-5.
1779 // are done by the CreateImageFile() below.
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001780
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001781 // Write out the generated code part. Calls the OatWriter and ElfBuilder. Also prepares the
1782 // ImageWriter, if necessary.
Andreas Gampe10e477d2014-11-19 12:57:42 -08001783 // Note: Flushing (and closing) the file is the caller's responsibility, except for the failure
1784 // case (when the file will be explicitly erased).
David Brazdil7b49e6c2016-09-01 11:06:18 +01001785 bool WriteOutputFiles() {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001786 TimingLogger::ScopedTiming t("dex2oat Oat", timings_);
1787
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001788 // Sync the data to the file, in case we did dex2dex transformations.
1789 for (const std::unique_ptr<MemMap>& map : opened_dex_files_maps_) {
1790 if (!map->Sync()) {
1791 PLOG(ERROR) << "Failed to Sync() dex2dex output. Map: " << map->GetName();
1792 return false;
1793 }
1794 }
Mathieu Chartierda5b28a2015-11-05 08:03:47 -08001795
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001796 if (IsImage()) {
Vladimir Markoaad75c62016-10-03 08:46:48 +00001797 if (IsAppImage() && image_base_ == 0) {
Mathieu Chartierfbc31082016-01-24 11:59:56 -08001798 gc::Heap* const heap = Runtime::Current()->GetHeap();
1799 for (gc::space::ImageSpace* image_space : heap->GetBootImageSpaces()) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001800 image_base_ = std::max(image_base_, RoundUp(
1801 reinterpret_cast<uintptr_t>(image_space->GetImageHeader().GetOatFileEnd()),
1802 kPageSize));
1803 }
Mathieu Chartierfbc31082016-01-24 11:59:56 -08001804 // The non moving space is right after the oat file. Put the preferred app image location
1805 // right after the non moving space so that we ideally get a continuous immune region for
1806 // the GC.
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08001807 // Use the default non moving space capacity since dex2oat does not have a separate non-
1808 // moving space. This means the runtime's non moving space space size will be as large
1809 // as the growth limit for dex2oat, but smaller in the zygote.
1810 const size_t non_moving_space_capacity = gc::Heap::kDefaultNonMovingSpaceCapacity;
Mathieu Chartierfbc31082016-01-24 11:59:56 -08001811 image_base_ += non_moving_space_capacity;
Mathieu Chartierda5b28a2015-11-05 08:03:47 -08001812 VLOG(compiler) << "App image base=" << reinterpret_cast<void*>(image_base_);
1813 }
1814
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001815 image_writer_.reset(new ImageWriter(*driver_,
1816 image_base_,
1817 compiler_options_->GetCompilePic(),
1818 IsAppImage(),
1819 image_storage_mode_,
1820 oat_filenames_,
Vladimir Marko944da602016-02-19 12:27:55 +00001821 dex_file_oat_index_map_));
Mathieu Chartierda5b28a2015-11-05 08:03:47 -08001822
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001823 // We need to prepare method offsets in the image address space for direct method patching.
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001824 TimingLogger::ScopedTiming t2("dex2oat Prepare image address space", timings_);
1825 if (!image_writer_->PrepareImageAddressSpace()) {
1826 LOG(ERROR) << "Failed to prepare image address space.";
1827 return false;
1828 }
1829 }
1830
Nicolas Geoffray4acefd32016-10-24 13:14:58 +01001831 // Initialize the writers with the compiler driver, image writer, and their
1832 // dex files. The writers were created without those being there yet.
1833 for (size_t i = 0, size = oat_files_.size(); i != size; ++i) {
1834 std::unique_ptr<OatWriter>& oat_writer = oat_writers_[i];
1835 std::vector<const DexFile*>& dex_files = dex_files_per_oat_file_[i];
1836 oat_writer->Initialize(driver_.get(), image_writer_.get(), dex_files);
1837 }
1838
David Brazdil5d5a36b2016-09-14 15:34:10 +01001839 {
1840 TimingLogger::ScopedTiming t2("dex2oat Write VDEX", timings_);
1841 DCHECK(IsBootImage() || oat_files_.size() == 1u);
Nicolas Geoffray6bb7f1b2016-11-03 10:52:49 +00001842 verifier::VerifierDeps* verifier_deps = callbacks_->GetVerifierDeps();
David Brazdil5d5a36b2016-09-14 15:34:10 +01001843 for (size_t i = 0, size = oat_files_.size(); i != size; ++i) {
1844 File* vdex_file = vdex_files_[i].get();
1845 std::unique_ptr<BufferedOutputStream> vdex_out(
1846 MakeUnique<BufferedOutputStream>(MakeUnique<FileOutputStream>(vdex_file)));
1847
Nicolas Geoffray6bb7f1b2016-11-03 10:52:49 +00001848 if (!oat_writers_[i]->WriteVerifierDeps(vdex_out.get(), verifier_deps)) {
David Brazdil5d5a36b2016-09-14 15:34:10 +01001849 LOG(ERROR) << "Failed to write verifier dependencies into VDEX " << vdex_file->GetPath();
1850 return false;
1851 }
1852
Nicolas Geoffray4acefd32016-10-24 13:14:58 +01001853 if (!oat_writers_[i]->WriteQuickeningInfo(vdex_out.get())) {
1854 LOG(ERROR) << "Failed to write quickening info into VDEX " << vdex_file->GetPath();
1855 return false;
1856 }
1857
Nicolas Geoffrayf54e5df2016-12-01 10:45:08 +00001858 // VDEX finalized, seek back to the beginning and write checksums and the header.
1859 if (!oat_writers_[i]->WriteChecksumsAndVdexHeader(vdex_out.get())) {
David Brazdil5d5a36b2016-09-14 15:34:10 +01001860 LOG(ERROR) << "Failed to write vdex header into VDEX " << vdex_file->GetPath();
1861 return false;
1862 }
1863 }
1864 }
1865
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001866 {
1867 TimingLogger::ScopedTiming t2("dex2oat Write ELF", timings_);
Nicolas Geoffray4acefd32016-10-24 13:14:58 +01001868 linker::MultiOatRelativePatcher patcher(instruction_set_, instruction_set_features_.get());
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001869 for (size_t i = 0, size = oat_files_.size(); i != size; ++i) {
Vladimir Marko944da602016-02-19 12:27:55 +00001870 std::unique_ptr<ElfWriter>& elf_writer = elf_writers_[i];
1871 std::unique_ptr<OatWriter>& oat_writer = oat_writers_[i];
1872
Nicolas Geoffray4acefd32016-10-24 13:14:58 +01001873 oat_writer->PrepareLayout(&patcher);
Vladimir Marko944da602016-02-19 12:27:55 +00001874
1875 size_t rodata_size = oat_writer->GetOatHeader().GetExecutableOffset();
David Brazdil7b49e6c2016-09-01 11:06:18 +01001876 size_t text_size = oat_writer->GetOatSize() - rodata_size;
Vladimir Markoaad75c62016-10-03 08:46:48 +00001877 elf_writer->PrepareDynamicSection(rodata_size,
1878 text_size,
1879 oat_writer->GetBssSize(),
1880 oat_writer->GetBssRootsOffset());
Vladimir Marko944da602016-02-19 12:27:55 +00001881
1882 if (IsImage()) {
1883 // Update oat layout.
1884 DCHECK(image_writer_ != nullptr);
1885 DCHECK_LT(i, oat_filenames_.size());
1886 image_writer_->UpdateOatFileLayout(i,
1887 elf_writer->GetLoadedSize(),
1888 oat_writer->GetOatDataOffset(),
David Brazdil7b49e6c2016-09-01 11:06:18 +01001889 oat_writer->GetOatSize());
Vladimir Marko944da602016-02-19 12:27:55 +00001890 }
1891 }
1892
1893 for (size_t i = 0, size = oat_files_.size(); i != size; ++i) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001894 std::unique_ptr<File>& oat_file = oat_files_[i];
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001895 std::unique_ptr<ElfWriter>& elf_writer = elf_writers_[i];
1896 std::unique_ptr<OatWriter>& oat_writer = oat_writers_[i];
Vladimir Marko10c13562015-11-25 14:33:36 +00001897
David Srbecky09c2a6b2016-03-11 17:11:44 +00001898 oat_writer->AddMethodDebugInfos(debug::MakeTrampolineInfos(oat_writer->GetOatHeader()));
1899
David Srbecky0c4572e2016-01-22 19:19:25 +00001900 // We need to mirror the layout of the ELF file in the compressed debug-info.
Vladimir Marko944da602016-02-19 12:27:55 +00001901 // Therefore PrepareDebugInfo() relies on the SetLoadedSectionSizes() call further above.
1902 elf_writer->PrepareDebugInfo(oat_writer->GetMethodDebugInfo());
David Srbecky0c4572e2016-01-22 19:19:25 +00001903
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001904 OutputStream*& rodata = rodata_[i];
1905 DCHECK(rodata != nullptr);
Jeff Haodcdc85b2015-12-04 14:06:18 -08001906 if (!oat_writer->WriteRodata(rodata)) {
1907 LOG(ERROR) << "Failed to write .rodata section to the ELF file " << oat_file->GetPath();
1908 return false;
1909 }
1910 elf_writer->EndRoData(rodata);
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001911 rodata = nullptr;
Vladimir Marko10c13562015-11-25 14:33:36 +00001912
Jeff Haodcdc85b2015-12-04 14:06:18 -08001913 OutputStream* text = elf_writer->StartText();
1914 if (!oat_writer->WriteCode(text)) {
1915 LOG(ERROR) << "Failed to write .text section to the ELF file " << oat_file->GetPath();
1916 return false;
1917 }
1918 elf_writer->EndText(text);
Vladimir Marko10c13562015-11-25 14:33:36 +00001919
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001920 if (!oat_writer->WriteHeader(elf_writer->GetStream(),
1921 image_file_location_oat_checksum_,
1922 image_file_location_oat_data_begin_,
1923 image_patch_delta_)) {
1924 LOG(ERROR) << "Failed to write oat header to the ELF file " << oat_file->GetPath();
1925 return false;
1926 }
1927
Vladimir Marko944da602016-02-19 12:27:55 +00001928 if (IsImage()) {
1929 // Update oat header information.
1930 DCHECK(image_writer_ != nullptr);
1931 DCHECK_LT(i, oat_filenames_.size());
1932 image_writer_->UpdateOatFileHeader(i, oat_writer->GetOatHeader());
1933 }
1934
Jeff Haodcdc85b2015-12-04 14:06:18 -08001935 elf_writer->WriteDynamicSection();
1936 elf_writer->WriteDebugInfo(oat_writer->GetMethodDebugInfo());
1937 elf_writer->WritePatchLocations(oat_writer->GetAbsolutePatchLocations());
Vladimir Marko10c13562015-11-25 14:33:36 +00001938
Jeff Haodcdc85b2015-12-04 14:06:18 -08001939 if (!elf_writer->End()) {
1940 LOG(ERROR) << "Failed to write ELF file " << oat_file->GetPath();
1941 return false;
1942 }
1943
David Brazdil7b49e6c2016-09-01 11:06:18 +01001944 if (!FlushOutputFile(&vdex_files_[i]) || !FlushOutputFile(&oat_files_[i])) {
1945 return false;
Jeff Haodcdc85b2015-12-04 14:06:18 -08001946 }
1947
Jeff Haodcdc85b2015-12-04 14:06:18 -08001948 VLOG(compiler) << "Oat file written successfully: " << oat_filenames_[i];
Vladimir Marko9bdf1082016-01-21 12:15:52 +00001949
1950 oat_writer.reset();
1951 elf_writer.reset();
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001952 }
1953 }
1954
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001955 return true;
Brian Carlstrom7940e442013-07-12 13:46:57 -07001956 }
1957
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001958 // If we are compiling an image, invoke the image creation routine. Else just skip.
1959 bool HandleImage() {
Mathieu Chartiera90c7722015-10-29 15:41:36 -07001960 if (IsImage()) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001961 TimingLogger::ScopedTiming t("dex2oat ImageWriter", timings_);
1962 if (!CreateImageFile()) {
1963 return false;
1964 }
Jeff Haodcdc85b2015-12-04 14:06:18 -08001965 VLOG(compiler) << "Images written successfully";
Brian Carlstrom45602482013-07-21 22:07:55 -07001966 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08001967 return true;
1968 }
1969
Jeff Haodcdc85b2015-12-04 14:06:18 -08001970 // Create a copy from stripped to unstripped.
1971 bool CopyStrippedToUnstripped() {
1972 for (size_t i = 0; i < oat_unstripped_.size(); ++i) {
1973 // If we don't want to strip in place, copy from stripped location to unstripped location.
1974 // We need to strip after image creation because FixupElf needs to use .strtab.
1975 if (strcmp(oat_unstripped_[i], oat_filenames_[i]) != 0) {
1976 // If the oat file is still open, flush it.
1977 if (oat_files_[i].get() != nullptr && oat_files_[i]->IsOpened()) {
David Brazdil7b49e6c2016-09-01 11:06:18 +01001978 if (!FlushCloseOutputFile(&oat_files_[i])) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08001979 return false;
1980 }
1981 }
1982
1983 TimingLogger::ScopedTiming t("dex2oat OatFile copy", timings_);
1984 std::unique_ptr<File> in(OS::OpenFileForReading(oat_filenames_[i]));
1985 std::unique_ptr<File> out(OS::CreateEmptyFile(oat_unstripped_[i]));
Vladimir Markob55cc6d2016-10-17 15:25:10 +01001986 int64_t in_length = in->GetLength();
1987 if (in_length < 0) {
1988 PLOG(ERROR) << "Failed to get the length of oat file: " << in->GetPath();
1989 return false;
1990 }
1991 if (!out->Copy(in.get(), 0, in_length)) {
1992 PLOG(ERROR) << "Failed to copy oat file to file: " << out->GetPath();
1993 return false;
Jeff Haodcdc85b2015-12-04 14:06:18 -08001994 }
1995 if (out->FlushCloseOrErase() != 0) {
1996 PLOG(ERROR) << "Failed to flush and close copied oat file: " << oat_unstripped_[i];
1997 return false;
1998 }
1999 VLOG(compiler) << "Oat file copied successfully (unstripped): " << oat_unstripped_[i];
2000 }
2001 }
2002 return true;
2003 }
2004
David Brazdil7b49e6c2016-09-01 11:06:18 +01002005 bool FlushOutputFile(std::unique_ptr<File>* file) {
2006 if (file->get() != nullptr) {
2007 if (file->get()->Flush() != 0) {
2008 PLOG(ERROR) << "Failed to flush output file: " << file->get()->GetPath();
2009 return false;
2010 }
2011 }
2012 return true;
2013 }
2014
2015 bool FlushCloseOutputFile(std::unique_ptr<File>* file) {
2016 if (file->get() != nullptr) {
2017 std::unique_ptr<File> tmp(file->release());
2018 if (tmp->FlushCloseOrErase() != 0) {
2019 PLOG(ERROR) << "Failed to flush and close output file: " << tmp->GetPath();
2020 return false;
2021 }
2022 }
2023 return true;
2024 }
2025
2026 bool FlushOutputFiles() {
2027 TimingLogger::ScopedTiming t2("dex2oat Flush Output Files", timings_);
2028 for (auto& files : { &vdex_files_, &oat_files_ }) {
2029 for (size_t i = 0; i < files->size(); ++i) {
2030 if (!FlushOutputFile(&(*files)[i])) {
Andreas Gampe10e477d2014-11-19 12:57:42 -08002031 return false;
Andreas Gampe4303ba92014-11-06 01:00:46 -08002032 }
Andreas Gampe4303ba92014-11-06 01:00:46 -08002033 }
Nicolas Geoffrayea3fa0b2014-02-10 11:59:41 +00002034 }
Andreas Gampe10e477d2014-11-19 12:57:42 -08002035 return true;
2036 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002037
David Brazdil7b49e6c2016-09-01 11:06:18 +01002038 bool FlushCloseOutputFiles() {
Jeff Haodcdc85b2015-12-04 14:06:18 -08002039 bool result = true;
David Brazdil7b49e6c2016-09-01 11:06:18 +01002040 for (auto& files : { &vdex_files_, &oat_files_ }) {
2041 for (size_t i = 0; i < files->size(); ++i) {
2042 result &= FlushCloseOutputFile(&(*files)[i]);
2043 }
Jeff Haodcdc85b2015-12-04 14:06:18 -08002044 }
2045 return result;
2046 }
2047
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002048 void DumpTiming() {
2049 if (dump_timing_ || (dump_slow_timing_ && timings_->GetTotalNs() > MsToNs(1000))) {
2050 LOG(INFO) << Dumpable<TimingLogger>(*timings_);
2051 }
2052 if (dump_passes_) {
2053 LOG(INFO) << Dumpable<CumulativeLogger>(*driver_->GetTimingsLogger());
2054 }
2055 }
2056
Andreas Gampe10e477d2014-11-19 12:57:42 -08002057 bool IsImage() const {
Mathieu Chartiera90c7722015-10-29 15:41:36 -07002058 return IsAppImage() || IsBootImage();
2059 }
2060
2061 bool IsAppImage() const {
Vladimir Markoaad75c62016-10-03 08:46:48 +00002062 return compiler_options_->IsAppImage();
Mathieu Chartiera90c7722015-10-29 15:41:36 -07002063 }
2064
2065 bool IsBootImage() const {
Vladimir Markoaad75c62016-10-03 08:46:48 +00002066 return compiler_options_->IsBootImage();
Andreas Gampe10e477d2014-11-19 12:57:42 -08002067 }
2068
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002069 bool IsHost() const {
2070 return is_host_;
2071 }
2072
Calin Juravle998c2162015-12-21 15:39:33 +02002073 bool UseProfileGuidedCompilation() const {
Andreas Gampe29d38e72016-03-23 15:31:51 +00002074 return CompilerFilter::DependsOnProfile(compiler_options_->GetCompilerFilter());
Calin Juravle998c2162015-12-21 15:39:33 +02002075 }
2076
Calin Juravle2e2db782016-02-23 12:00:03 +00002077 bool LoadProfile() {
Calin Juravle998c2162015-12-21 15:39:33 +02002078 DCHECK(UseProfileGuidedCompilation());
Calin Juravle2e2db782016-02-23 12:00:03 +00002079
2080 profile_compilation_info_.reset(new ProfileCompilationInfo());
2081 ScopedFlock flock;
Andreas Gampe29d38e72016-03-23 15:31:51 +00002082 bool success = true;
Calin Juravle2e2db782016-02-23 12:00:03 +00002083 std::string error;
2084 if (profile_file_fd_ != -1) {
2085 // The file doesn't need to be flushed so don't check the usage.
2086 // Pass a bogus path so that we can easily attribute any reported error.
2087 File file(profile_file_fd_, "profile", /*check_usage*/ false, /*read_only_mode*/ true);
2088 if (flock.Init(&file, &error)) {
2089 success = profile_compilation_info_->Load(profile_file_fd_);
2090 }
Andreas Gampe29d38e72016-03-23 15:31:51 +00002091 } else if (profile_file_ != "") {
Calin Juravle2e2db782016-02-23 12:00:03 +00002092 if (flock.Init(profile_file_.c_str(), O_RDONLY, /* block */ true, &error)) {
2093 success = profile_compilation_info_->Load(flock.GetFile()->Fd());
2094 }
2095 }
2096 if (!error.empty()) {
2097 LOG(WARNING) << "Cannot lock profiles: " << error;
Calin Juravle998c2162015-12-21 15:39:33 +02002098 }
Calin Juravle877fd962016-01-05 14:29:29 +00002099
Calin Juravle2e2db782016-02-23 12:00:03 +00002100 if (!success) {
2101 profile_compilation_info_.reset(nullptr);
2102 }
Calin Juravle877fd962016-01-05 14:29:29 +00002103
Calin Juravle2e2db782016-02-23 12:00:03 +00002104 return success;
Calin Juravle998c2162015-12-21 15:39:33 +02002105 }
2106
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002107 private:
Andreas Gampee1459ae2016-06-29 09:36:30 -07002108 bool UseSwap(bool is_image, const std::vector<const DexFile*>& dex_files) {
2109 if (is_image) {
2110 // Don't use swap, we know generation should succeed, and we don't want to slow it down.
2111 return false;
2112 }
2113 if (dex_files.size() < min_dex_files_for_swap_) {
2114 // If there are less dex files than the threshold, assume it's gonna be fine.
2115 return false;
2116 }
2117 size_t dex_files_size = 0;
2118 for (const auto* dex_file : dex_files) {
2119 dex_files_size += dex_file->GetHeader().file_size_;
2120 }
2121 return dex_files_size >= min_dex_file_cumulative_size_for_swap_;
2122 }
2123
Andreas Gampe67f02822016-06-24 21:05:23 -07002124 bool IsVeryLarge(std::vector<const DexFile*>& dex_files) {
2125 size_t dex_files_size = 0;
2126 for (const auto* dex_file : dex_files) {
2127 dex_files_size += dex_file->GetHeader().file_size_;
2128 }
2129 return dex_files_size >= very_large_threshold_;
2130 }
2131
Vladimir Marko49b0f452015-12-10 13:49:19 +00002132 template <typename T>
2133 static std::vector<T*> MakeNonOwningPointerVector(const std::vector<std::unique_ptr<T>>& src) {
2134 std::vector<T*> result;
2135 result.reserve(src.size());
2136 for (const std::unique_ptr<T>& t : src) {
2137 result.push_back(t.get());
2138 }
2139 return result;
2140 }
2141
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002142 std::vector<std::string> GetClassPathLocations(const std::string& class_path) {
2143 // This function is used only for apps and for an app we have exactly one oat file.
2144 DCHECK(!IsBootImage());
2145 DCHECK_EQ(oat_writers_.size(), 1u);
2146 std::vector<std::string> dex_files_canonical_locations;
2147 for (const char* location : oat_writers_[0]->GetSourceLocations()) {
2148 dex_files_canonical_locations.push_back(DexFile::GetDexCanonicalLocation(location));
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002149 }
Vladimir Marko625a64a2015-11-26 14:44:16 +00002150
Vladimir Marko919f5532016-01-20 19:13:01 +00002151 std::vector<std::string> parsed;
2152 Split(class_path, ':', &parsed);
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002153 auto kept_it = std::remove_if(parsed.begin(),
2154 parsed.end(),
2155 [dex_files_canonical_locations](const std::string& location) {
2156 return ContainsElement(dex_files_canonical_locations,
2157 DexFile::GetDexCanonicalLocation(location.c_str()));
2158 });
2159 parsed.erase(kept_it, parsed.end());
2160 return parsed;
2161 }
2162
Jeff Haofbeb1322016-04-26 14:27:31 -07002163 // Opens requested class path files and appends them to opened_dex_files. If the dex files have
2164 // been stripped, this opens them from their oat files and appends them to opened_oat_files.
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002165 static void OpenClassPathFiles(const std::vector<std::string>& class_path_locations,
Jeff Haof0192c82016-03-28 20:39:50 -07002166 std::vector<std::unique_ptr<const DexFile>>* opened_dex_files,
Jeff Haofbeb1322016-04-26 14:27:31 -07002167 std::vector<std::unique_ptr<OatFile>>* opened_oat_files,
Jeff Haof0192c82016-03-28 20:39:50 -07002168 InstructionSet isa) {
Jeff Haofbeb1322016-04-26 14:27:31 -07002169 DCHECK(opened_dex_files != nullptr) << "OpenClassPathFiles dex out-param is nullptr";
2170 DCHECK(opened_oat_files != nullptr) << "OpenClassPathFiles oat out-param is nullptr";
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002171 for (const std::string& location : class_path_locations) {
Jeff Haof0192c82016-03-28 20:39:50 -07002172 // Stop early if we detect the special shared library, which may be passed as the classpath
2173 // for dex2oat when we want to skip the shared libraries check.
2174 if (location == OatFile::kSpecialSharedLibrary) {
2175 break;
2176 }
Aart Bik37d6a3b2016-06-21 18:30:10 -07002177 static constexpr bool kVerifyChecksum = true;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002178 std::string error_msg;
Aart Bik37d6a3b2016-06-21 18:30:10 -07002179 if (!DexFile::Open(
2180 location.c_str(), location.c_str(), kVerifyChecksum, &error_msg, opened_dex_files)) {
Jeff Haof0192c82016-03-28 20:39:50 -07002181 // If we fail to open the dex file because it's been stripped, try to open the dex file
2182 // from its corresponding oat file.
Richard Uhlerd1472a22016-04-15 15:18:56 -07002183 OatFileAssistant oat_file_assistant(location.c_str(), isa, false);
Jeff Haof0192c82016-03-28 20:39:50 -07002184 std::unique_ptr<OatFile> oat_file(oat_file_assistant.GetBestOatFile());
2185 if (oat_file == nullptr) {
2186 LOG(WARNING) << "Failed to open dex file and associated oat file for '" << location
2187 << "': " << error_msg;
2188 } else {
2189 std::vector<std::unique_ptr<const DexFile>> oat_dex_files =
2190 oat_file_assistant.LoadDexFiles(*oat_file, location.c_str());
Jeff Haofbeb1322016-04-26 14:27:31 -07002191 opened_oat_files->push_back(std::move(oat_file));
Jeff Haof0192c82016-03-28 20:39:50 -07002192 opened_dex_files->insert(opened_dex_files->end(),
2193 std::make_move_iterator(oat_dex_files.begin()),
2194 std::make_move_iterator(oat_dex_files.end()));
2195 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002196 }
2197 }
2198 }
2199
Vladimir Marko49b0f452015-12-10 13:49:19 +00002200 bool PrepareImageClasses() {
2201 // If --image-classes was specified, calculate the full list of classes to include in the image.
2202 if (image_classes_filename_ != nullptr) {
2203 image_classes_ =
2204 ReadClasses(image_classes_zip_filename_, image_classes_filename_, "image");
2205 if (image_classes_ == nullptr) {
2206 return false;
2207 }
2208 } else if (IsBootImage()) {
2209 image_classes_.reset(new std::unordered_set<std::string>);
2210 }
2211 return true;
2212 }
2213
2214 bool PrepareCompiledClasses() {
2215 // If --compiled-classes was specified, calculate the full list of classes to compile in the
2216 // image.
2217 if (compiled_classes_filename_ != nullptr) {
2218 compiled_classes_ =
2219 ReadClasses(compiled_classes_zip_filename_, compiled_classes_filename_, "compiled");
2220 if (compiled_classes_ == nullptr) {
2221 return false;
2222 }
2223 } else {
2224 compiled_classes_.reset(nullptr); // By default compile everything.
2225 }
2226 return true;
2227 }
2228
2229 static std::unique_ptr<std::unordered_set<std::string>> ReadClasses(const char* zip_filename,
2230 const char* classes_filename,
2231 const char* tag) {
2232 std::unique_ptr<std::unordered_set<std::string>> classes;
2233 std::string error_msg;
2234 if (zip_filename != nullptr) {
2235 classes.reset(ReadImageClassesFromZip(zip_filename, classes_filename, &error_msg));
2236 } else {
2237 classes.reset(ReadImageClassesFromFile(classes_filename));
2238 }
2239 if (classes == nullptr) {
2240 LOG(ERROR) << "Failed to create list of " << tag << " classes from '"
2241 << classes_filename << "': " << error_msg;
2242 }
2243 return classes;
2244 }
2245
2246 bool PrepareCompiledMethods() {
2247 // If --compiled-methods was specified, read the methods to compile from the given file(s).
2248 if (compiled_methods_filename_ != nullptr) {
2249 std::string error_msg;
2250 if (compiled_methods_zip_filename_ != nullptr) {
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002251 compiled_methods_.reset(ReadCommentedInputFromZip<std::unordered_set<std::string>>(
2252 compiled_methods_zip_filename_,
2253 compiled_methods_filename_,
2254 nullptr, // No post-processing.
2255 &error_msg));
Vladimir Marko49b0f452015-12-10 13:49:19 +00002256 } else {
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002257 compiled_methods_.reset(ReadCommentedInputFromFile<std::unordered_set<std::string>>(
2258 compiled_methods_filename_,
2259 nullptr)); // No post-processing.
Vladimir Marko49b0f452015-12-10 13:49:19 +00002260 }
2261 if (compiled_methods_.get() == nullptr) {
2262 LOG(ERROR) << "Failed to create list of compiled methods from '"
2263 << compiled_methods_filename_ << "': " << error_msg;
2264 return false;
2265 }
2266 } else {
2267 compiled_methods_.reset(nullptr); // By default compile everything.
2268 }
2269 return true;
2270 }
2271
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002272 void PruneNonExistentDexFiles() {
2273 DCHECK_EQ(dex_filenames_.size(), dex_locations_.size());
2274 size_t kept = 0u;
2275 for (size_t i = 0, size = dex_filenames_.size(); i != size; ++i) {
2276 if (!OS::FileExists(dex_filenames_[i])) {
2277 LOG(WARNING) << "Skipping non-existent dex file '" << dex_filenames_[i] << "'";
2278 } else {
2279 dex_filenames_[kept] = dex_filenames_[i];
2280 dex_locations_[kept] = dex_locations_[i];
2281 ++kept;
2282 }
2283 }
2284 dex_filenames_.resize(kept);
2285 dex_locations_.resize(kept);
2286 }
2287
2288 bool AddDexFileSources() {
2289 TimingLogger::ScopedTiming t2("AddDexFileSources", timings_);
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00002290 if (input_vdex_file_ != nullptr) {
2291 DCHECK_EQ(oat_writers_.size(), 1u);
2292 const std::string& name = zip_location_.empty() ? dex_locations_[0] : zip_location_;
2293 DCHECK(!name.empty());
2294 if (!oat_writers_[0]->AddVdexDexFilesSource(*input_vdex_file_.get(), name.c_str())) {
2295 return false;
2296 }
2297 } else if (zip_fd_ != -1) {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002298 DCHECK_EQ(oat_writers_.size(), 1u);
Andreas Gampe43e10b02016-07-15 17:17:34 -07002299 if (!oat_writers_[0]->AddZippedDexFilesSource(File(zip_fd_, /* check_usage */ false),
2300 zip_location_.c_str())) {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002301 return false;
2302 }
2303 } else if (oat_writers_.size() > 1u) {
2304 // Multi-image.
2305 DCHECK_EQ(oat_writers_.size(), dex_filenames_.size());
2306 DCHECK_EQ(oat_writers_.size(), dex_locations_.size());
2307 for (size_t i = 0, size = oat_writers_.size(); i != size; ++i) {
2308 if (!oat_writers_[i]->AddDexFileSource(dex_filenames_[i], dex_locations_[i])) {
2309 return false;
2310 }
2311 }
2312 } else {
2313 DCHECK_EQ(oat_writers_.size(), 1u);
2314 DCHECK_EQ(dex_filenames_.size(), dex_locations_.size());
2315 DCHECK_NE(dex_filenames_.size(), 0u);
2316 for (size_t i = 0; i != dex_filenames_.size(); ++i) {
2317 if (!oat_writers_[0]->AddDexFileSource(dex_filenames_[i], dex_locations_[i])) {
2318 return false;
2319 }
2320 }
2321 }
2322 return true;
2323 }
2324
2325 void CreateOatWriters() {
2326 TimingLogger::ScopedTiming t2("CreateOatWriters", timings_);
2327 elf_writers_.reserve(oat_files_.size());
2328 oat_writers_.reserve(oat_files_.size());
2329 for (const std::unique_ptr<File>& oat_file : oat_files_) {
David Srbecky5d811202016-03-08 13:21:22 +00002330 elf_writers_.emplace_back(CreateElfWriterQuick(instruction_set_,
2331 instruction_set_features_.get(),
2332 compiler_options_.get(),
2333 oat_file.get()));
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002334 elf_writers_.back()->Start();
Jeff Hao608f2ce2016-10-19 11:17:11 -07002335 bool do_dexlayout = compiler_options_->GetCompilerFilter() == CompilerFilter::kLayoutProfile;
2336 oat_writers_.emplace_back(new OatWriter(
2337 IsBootImage(), timings_, do_dexlayout ? profile_compilation_info_.get() : nullptr));
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002338 }
2339 }
2340
Vladimir Marko49b0f452015-12-10 13:49:19 +00002341 void SaveDexInput() {
2342 for (size_t i = 0; i < dex_files_.size(); ++i) {
2343 const DexFile* dex_file = dex_files_[i];
2344 std::string tmp_file_name(StringPrintf("/data/local/tmp/dex2oat.%d.%zd.dex",
2345 getpid(), i));
2346 std::unique_ptr<File> tmp_file(OS::CreateEmptyFile(tmp_file_name.c_str()));
2347 if (tmp_file.get() == nullptr) {
2348 PLOG(ERROR) << "Failed to open file " << tmp_file_name
2349 << ". Try: adb shell chmod 777 /data/local/tmp";
2350 continue;
2351 }
2352 // This is just dumping files for debugging. Ignore errors, and leave remnants.
2353 UNUSED(tmp_file->WriteFully(dex_file->Begin(), dex_file->Size()));
2354 UNUSED(tmp_file->Flush());
2355 UNUSED(tmp_file->Close());
2356 LOG(INFO) << "Wrote input to " << tmp_file_name;
2357 }
2358 }
2359
2360 bool PrepareRuntimeOptions(RuntimeArgumentMap* runtime_options) {
2361 RuntimeOptions raw_options;
2362 if (boot_image_filename_.empty()) {
2363 std::string boot_class_path = "-Xbootclasspath:";
2364 boot_class_path += Join(dex_filenames_, ':');
2365 raw_options.push_back(std::make_pair(boot_class_path, nullptr));
2366 std::string boot_class_path_locations = "-Xbootclasspath-locations:";
2367 boot_class_path_locations += Join(dex_locations_, ':');
2368 raw_options.push_back(std::make_pair(boot_class_path_locations, nullptr));
2369 } else {
2370 std::string boot_image_option = "-Ximage:";
2371 boot_image_option += boot_image_filename_;
2372 raw_options.push_back(std::make_pair(boot_image_option, nullptr));
2373 }
2374 for (size_t i = 0; i < runtime_args_.size(); i++) {
2375 raw_options.push_back(std::make_pair(runtime_args_[i], nullptr));
2376 }
2377
2378 raw_options.push_back(std::make_pair("compilercallbacks", callbacks_.get()));
2379 raw_options.push_back(
2380 std::make_pair("imageinstructionset", GetInstructionSetString(instruction_set_)));
2381
2382 // Only allow no boot image for the runtime if we're compiling one. When we compile an app,
2383 // we don't want fallback mode, it will abort as we do not push a boot classpath (it might
2384 // have been stripped in preopting, anyways).
2385 if (!IsBootImage()) {
2386 raw_options.push_back(std::make_pair("-Xno-dex-file-fallback", nullptr));
2387 }
2388 // Disable libsigchain. We don't don't need it during compilation and it prevents us
2389 // from getting a statically linked version of dex2oat (because of dlsym and RTLD_NEXT).
2390 raw_options.push_back(std::make_pair("-Xno-sig-chain", nullptr));
Lin Zang97f3f7d2016-01-13 10:25:00 +08002391 // Disable Hspace compaction to save heap size virtual space.
2392 // Only need disable Hspace for OOM becasue background collector is equal to
2393 // foreground collector by default for dex2oat.
2394 raw_options.push_back(std::make_pair("-XX:DisableHSpaceCompactForOOM", nullptr));
Vladimir Marko49b0f452015-12-10 13:49:19 +00002395
Andreas Gampeace0dc12016-01-20 13:33:13 -08002396 // If we're asked to be deterministic, ensure non-concurrent GC for determinism. Also
2397 // force the free-list implementation for large objects.
2398 if (compiler_options_->IsForceDeterminism()) {
2399 raw_options.push_back(std::make_pair("-Xgc:nonconcurrent", nullptr));
2400 raw_options.push_back(std::make_pair("-XX:LargeObjectSpace=freelist", nullptr));
2401
2402 // We also need to turn off the nonmoving space. For that, we need to disable HSpace
2403 // compaction (done above) and ensure that neither foreground nor background collectors
2404 // are concurrent.
2405 raw_options.push_back(std::make_pair("-XX:BackgroundGC=nonconcurrent", nullptr));
2406
2407 // To make identity hashcode deterministic, set a known seed.
2408 mirror::Object::SetHashCodeSeed(987654321U);
2409 }
2410
Vladimir Marko49b0f452015-12-10 13:49:19 +00002411 if (!Runtime::ParseOptions(raw_options, false, runtime_options)) {
2412 LOG(ERROR) << "Failed to parse runtime options";
2413 return false;
2414 }
2415 return true;
2416 }
2417
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002418 // Create a runtime necessary for compilation.
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002419 bool CreateRuntime(RuntimeArgumentMap&& runtime_options) {
2420 TimingLogger::ScopedTiming t_runtime("Create runtime", timings_);
Vladimir Marko49b0f452015-12-10 13:49:19 +00002421 if (!Runtime::Create(std::move(runtime_options))) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002422 LOG(ERROR) << "Failed to create runtime";
2423 return false;
2424 }
Andreas Gampe49c144d2016-11-14 10:11:16 -08002425
2426 // Runtime::Init will rename this thread to be "main". Prefer "dex2oat" so that "top" and
2427 // "ps -a" don't change to non-descript "main."
2428 SetThreadName(kIsDebugBuild ? "dex2oatd" : "dex2oat");
2429
Vladimir Marko307dac92015-10-20 11:20:09 +01002430 runtime_.reset(Runtime::Current());
2431 runtime_->SetInstructionSet(instruction_set_);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002432 for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) {
2433 Runtime::CalleeSaveType type = Runtime::CalleeSaveType(i);
Vladimir Marko307dac92015-10-20 11:20:09 +01002434 if (!runtime_->HasCalleeSaveMethod(type)) {
2435 runtime_->SetCalleeSaveMethod(runtime_->CreateCalleeSaveMethod(), type);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002436 }
2437 }
Vladimir Marko307dac92015-10-20 11:20:09 +01002438 runtime_->GetClassLinker()->FixupDexCaches(runtime_->GetResolutionMethod());
Andreas Gampe2969bcd2015-03-09 12:57:41 -07002439
2440 // Initialize maps for unstarted runtime. This needs to be here, as running clinits needs this
2441 // set up.
Andreas Gampe799681b2015-05-15 19:24:12 -07002442 interpreter::UnstartedRuntime::Initialize();
Andreas Gampe2969bcd2015-03-09 12:57:41 -07002443
Vladimir Marko307dac92015-10-20 11:20:09 +01002444 runtime_->GetClassLinker()->RunRootClinits();
Andreas Gampe2969bcd2015-03-09 12:57:41 -07002445
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002446 // Runtime::Create acquired the mutator_lock_ that is normally given away when we
2447 // Runtime::Start, give it away now so that we don't starve GC.
2448 Thread* self = Thread::Current();
2449 self->TransitionFromRunnableToSuspended(kNative);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002450
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002451 return true;
Vladimir Marko919f5532016-01-20 19:13:01 +00002452 }
2453
Jeff Haodcdc85b2015-12-04 14:06:18 -08002454 // 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 -08002455 bool CreateImageFile()
Mathieu Chartier90443472015-07-16 20:32:27 -07002456 REQUIRES(!Locks::mutator_lock_) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002457 CHECK(image_writer_ != nullptr);
Jeff Haodcdc85b2015-12-04 14:06:18 -08002458 if (!IsBootImage()) {
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002459 CHECK(image_filenames_.empty());
Jeff Haodcdc85b2015-12-04 14:06:18 -08002460 image_filenames_.push_back(app_image_file_name_.c_str());
2461 }
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002462 if (!image_writer_->Write(app_image_fd_,
2463 image_filenames_,
Vladimir Marko944da602016-02-19 12:27:55 +00002464 oat_filenames_)) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08002465 LOG(ERROR) << "Failure during image file creation";
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002466 return false;
2467 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002468
Jeff Haodcdc85b2015-12-04 14:06:18 -08002469 // We need the OatDataBegin entries.
Vladimir Marko944da602016-02-19 12:27:55 +00002470 dchecked_vector<uintptr_t> oat_data_begins;
2471 for (size_t i = 0, size = oat_filenames_.size(); i != size; ++i) {
2472 oat_data_begins.push_back(image_writer_->GetOatDataBegin(i));
Jeff Haodcdc85b2015-12-04 14:06:18 -08002473 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002474 // Destroy ImageWriter before doing FixupElf.
2475 image_writer_.reset();
2476
Vladimir Marko944da602016-02-19 12:27:55 +00002477 for (size_t i = 0, size = oat_filenames_.size(); i != size; ++i) {
2478 const char* oat_filename = oat_filenames_[i];
Jeff Haodcdc85b2015-12-04 14:06:18 -08002479 // Do not fix up the ELF file if we are --compile-pic or compiling the app image
2480 if (!compiler_options_->GetCompilePic() && IsBootImage()) {
2481 std::unique_ptr<File> oat_file(OS::OpenFileReadWrite(oat_filename));
2482 if (oat_file.get() == nullptr) {
2483 PLOG(ERROR) << "Failed to open ELF file: " << oat_filename;
2484 return false;
2485 }
Andreas Gampe4303ba92014-11-06 01:00:46 -08002486
Vladimir Marko944da602016-02-19 12:27:55 +00002487 if (!ElfWriter::Fixup(oat_file.get(), oat_data_begins[i])) {
Jeff Haodcdc85b2015-12-04 14:06:18 -08002488 oat_file->Erase();
2489 LOG(ERROR) << "Failed to fixup ELF file " << oat_file->GetPath();
2490 return false;
2491 }
2492
2493 if (oat_file->FlushCloseOrErase()) {
2494 PLOG(ERROR) << "Failed to flush and close fixed ELF file " << oat_file->GetPath();
2495 return false;
2496 }
Andreas Gampe4303ba92014-11-06 01:00:46 -08002497 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002498 }
2499
2500 return true;
2501 }
2502
2503 // Reads the class names (java.lang.Object) and returns a set of descriptors (Ljava/lang/Object;)
Andreas Gampeb1fcead2015-04-20 18:53:51 -07002504 static std::unordered_set<std::string>* ReadImageClassesFromFile(
2505 const char* image_classes_filename) {
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002506 std::function<std::string(const char*)> process = DotToDescriptor;
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002507 return ReadCommentedInputFromFile<std::unordered_set<std::string>>(image_classes_filename,
2508 &process);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002509 }
2510
2511 // Reads the class names (java.lang.Object) and returns a set of descriptors (Ljava/lang/Object;)
Andreas Gampeb1fcead2015-04-20 18:53:51 -07002512 static std::unordered_set<std::string>* ReadImageClassesFromZip(
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002513 const char* zip_filename,
2514 const char* image_classes_filename,
2515 std::string* error_msg) {
2516 std::function<std::string(const char*)> process = DotToDescriptor;
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002517 return ReadCommentedInputFromZip<std::unordered_set<std::string>>(zip_filename,
2518 image_classes_filename,
2519 &process,
2520 error_msg);
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002521 }
2522
2523 // Read lines from the given file, dropping comments and empty lines. Post-process each line with
2524 // the given function.
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002525 template <typename T>
2526 static T* ReadCommentedInputFromFile(
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002527 const char* input_filename, std::function<std::string(const char*)>* process) {
2528 std::unique_ptr<std::ifstream> input_file(new std::ifstream(input_filename, std::ifstream::in));
2529 if (input_file.get() == nullptr) {
2530 LOG(ERROR) << "Failed to open input file " << input_filename;
2531 return nullptr;
2532 }
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002533 std::unique_ptr<T> result(
2534 ReadCommentedInputStream<T>(*input_file, process));
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002535 input_file->close();
2536 return result.release();
2537 }
2538
2539 // Read lines from the given file from the given zip file, dropping comments and empty lines.
2540 // Post-process each line with the given function.
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002541 template <typename T>
2542 static T* ReadCommentedInputFromZip(
Andreas Gampeb1fcead2015-04-20 18:53:51 -07002543 const char* zip_filename,
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002544 const char* input_filename,
2545 std::function<std::string(const char*)>* process,
Andreas Gampeb1fcead2015-04-20 18:53:51 -07002546 std::string* error_msg) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002547 std::unique_ptr<ZipArchive> zip_archive(ZipArchive::Open(zip_filename, error_msg));
2548 if (zip_archive.get() == nullptr) {
2549 return nullptr;
2550 }
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002551 std::unique_ptr<ZipEntry> zip_entry(zip_archive->Find(input_filename, error_msg));
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002552 if (zip_entry.get() == nullptr) {
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002553 *error_msg = StringPrintf("Failed to find '%s' within '%s': %s", input_filename,
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002554 zip_filename, error_msg->c_str());
2555 return nullptr;
2556 }
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002557 std::unique_ptr<MemMap> input_file(zip_entry->ExtractToMemMap(zip_filename,
2558 input_filename,
2559 error_msg));
2560 if (input_file.get() == nullptr) {
2561 *error_msg = StringPrintf("Failed to extract '%s' from '%s': %s", input_filename,
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002562 zip_filename, error_msg->c_str());
2563 return nullptr;
2564 }
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002565 const std::string input_string(reinterpret_cast<char*>(input_file->Begin()),
2566 input_file->Size());
2567 std::istringstream input_stream(input_string);
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002568 return ReadCommentedInputStream<T>(input_stream, process);
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002569 }
2570
2571 // Read lines from the given stream, dropping comments and empty lines. Post-process each line
2572 // with the given function.
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002573 template <typename T>
2574 static T* ReadCommentedInputStream(
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002575 std::istream& in_stream,
2576 std::function<std::string(const char*)>* process) {
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002577 std::unique_ptr<T> output(new T());
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002578 while (in_stream.good()) {
2579 std::string dot;
2580 std::getline(in_stream, dot);
2581 if (StartsWith(dot, "#") || dot.empty()) {
2582 continue;
2583 }
2584 if (process != nullptr) {
2585 std::string descriptor((*process)(dot.c_str()));
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002586 output->insert(output->end(), descriptor);
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002587 } else {
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002588 output->insert(output->end(), dot);
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002589 }
2590 }
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002591 return output.release();
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002592 }
2593
Mathieu Chartier49285c52014-12-02 15:43:48 -08002594 void LogCompletionTime() {
Andreas Gampe1d00add2015-02-27 19:35:46 -08002595 // Note: when creation of a runtime fails, e.g., when trying to compile an app but when there
2596 // is no image, there won't be a Runtime::Current().
Brian Carlstroma11a34c2015-03-06 08:44:45 -08002597 // Note: driver creation can fail when loading an invalid dex file.
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002598 LOG(INFO) << "dex2oat took " << PrettyDuration(NanoTime() - start_ns_)
Mathieu Chartierab972ef2014-12-03 17:38:22 -08002599 << " (threads: " << thread_count_ << ") "
Andreas Gampe3f30e122015-09-17 14:03:21 -07002600 << ((Runtime::Current() != nullptr && driver_ != nullptr) ?
Andreas Gampe1d00add2015-02-27 19:35:46 -08002601 driver_->GetMemoryUsageString(kIsDebugBuild || VLOG_IS_ON(compiler)) :
2602 "");
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002603 }
2604
Jeff Haodcdc85b2015-12-04 14:06:18 -08002605 std::string StripIsaFrom(const char* image_filename, InstructionSet isa) {
2606 std::string res(image_filename);
2607 size_t last_slash = res.rfind('/');
2608 if (last_slash == std::string::npos || last_slash == 0) {
2609 return res;
2610 }
2611 size_t penultimate_slash = res.rfind('/', last_slash - 1);
2612 if (penultimate_slash == std::string::npos) {
2613 return res;
2614 }
2615 // Check that the string in-between is the expected one.
2616 if (res.substr(penultimate_slash + 1, last_slash - penultimate_slash - 1) !=
2617 GetInstructionSetString(isa)) {
2618 LOG(WARNING) << "Unexpected string when trying to strip isa: " << res;
2619 return res;
2620 }
2621 return res.substr(0, penultimate_slash) + res.substr(last_slash);
2622 }
2623
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002624 std::unique_ptr<CompilerOptions> compiler_options_;
2625 Compiler::Kind compiler_kind_;
2626
2627 InstructionSet instruction_set_;
2628 std::unique_ptr<const InstructionSetFeatures> instruction_set_features_;
2629
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002630 uint32_t image_file_location_oat_checksum_;
2631 uintptr_t image_file_location_oat_data_begin_;
2632 int32_t image_patch_delta_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002633 std::unique_ptr<SafeMap<std::string, std::string> > key_value_store_;
2634
Vladimir Marko307dac92015-10-20 11:20:09 +01002635 std::unique_ptr<VerificationResults> verification_results_;
Andreas Gampe3f30e122015-09-17 14:03:21 -07002636
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002637 std::unique_ptr<QuickCompilerCallbacks> callbacks_;
2638
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002639 std::unique_ptr<Runtime> runtime_;
2640
Richard Uhlerfbef44d2014-12-23 09:48:51 -08002641 // Ownership for the class path files.
2642 std::vector<std::unique_ptr<const DexFile>> class_path_files_;
2643
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002644 size_t thread_count_;
2645 uint64_t start_ns_;
2646 std::unique_ptr<WatchDog> watchdog_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002647 std::vector<std::unique_ptr<File>> oat_files_;
David Brazdil7b49e6c2016-09-01 11:06:18 +01002648 std::vector<std::unique_ptr<File>> vdex_files_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002649 std::string oat_location_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002650 std::vector<const char*> oat_filenames_;
2651 std::vector<const char*> oat_unstripped_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002652 int oat_fd_;
Nicolas Geoffraya6a448a2016-11-10 10:49:40 +00002653 int input_vdex_fd_;
2654 int output_vdex_fd_;
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00002655 std::string input_vdex_;
2656 std::unique_ptr<VdexFile> input_vdex_file_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002657 std::vector<const char*> dex_filenames_;
2658 std::vector<const char*> dex_locations_;
2659 int zip_fd_;
2660 std::string zip_location_;
Vladimir Marko49b0f452015-12-10 13:49:19 +00002661 std::string boot_image_filename_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002662 std::vector<const char*> runtime_args_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002663 std::vector<const char*> image_filenames_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002664 uintptr_t image_base_;
2665 const char* image_classes_zip_filename_;
2666 const char* image_classes_filename_;
Mathieu Chartierceb07b32015-12-10 09:33:21 -08002667 ImageHeader::StorageMode image_storage_mode_;
Andreas Gampe4bf3ae92014-11-11 13:28:29 -08002668 const char* compiled_classes_zip_filename_;
2669 const char* compiled_classes_filename_;
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002670 const char* compiled_methods_zip_filename_;
2671 const char* compiled_methods_filename_;
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002672 const char* passes_to_run_filename_;
Andreas Gampeb1fcead2015-04-20 18:53:51 -07002673 std::unique_ptr<std::unordered_set<std::string>> image_classes_;
2674 std::unique_ptr<std::unordered_set<std::string>> compiled_classes_;
Andreas Gampe70bef0d2015-04-15 02:37:28 -07002675 std::unique_ptr<std::unordered_set<std::string>> compiled_methods_;
Wojciech Staszkiewicz5319d3c2016-08-01 17:48:59 -07002676 std::unique_ptr<std::vector<std::string>> passes_to_run_;
Jeff Hao436183f2016-01-12 16:36:50 -08002677 bool multi_image_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002678 bool is_host_;
2679 std::string android_root_;
Mathieu Chartier0b490842016-05-25 15:05:59 -07002680 // Dex files we are compiling, does not include the class path dex files.
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002681 std::vector<const DexFile*> dex_files_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002682 std::string no_inline_from_string_;
Mathieu Chartier673ed3d2015-08-28 14:56:43 -07002683 std::vector<jobject> dex_caches_;
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002684 jobject class_loader_;
Andreas Gampe3f30e122015-09-17 14:03:21 -07002685
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002686 std::vector<std::unique_ptr<ElfWriter>> elf_writers_;
2687 std::vector<std::unique_ptr<OatWriter>> oat_writers_;
2688 std::vector<OutputStream*> rodata_;
David Brazdil5d5a36b2016-09-14 15:34:10 +01002689 std::vector<std::unique_ptr<OutputStream>> vdex_out_;
Vladimir Marko307dac92015-10-20 11:20:09 +01002690 std::unique_ptr<ImageWriter> image_writer_;
2691 std::unique_ptr<CompilerDriver> driver_;
Andreas Gampe3f30e122015-09-17 14:03:21 -07002692
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002693 std::vector<std::unique_ptr<MemMap>> opened_dex_files_maps_;
Jeff Haofbeb1322016-04-26 14:27:31 -07002694 std::vector<std::unique_ptr<OatFile>> opened_oat_files_;
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002695 std::vector<std::unique_ptr<const DexFile>> opened_dex_files_;
2696
Vladimir Marko47496c22016-01-27 16:15:08 +00002697 std::vector<const DexFile*> no_inline_from_dex_files_;
2698
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002699 std::vector<std::string> verbose_methods_;
2700 bool dump_stats_;
2701 bool dump_passes_;
2702 bool dump_timing_;
2703 bool dump_slow_timing_;
Andreas Gampee21dc3d2014-12-08 16:59:43 -08002704 std::string swap_file_name_;
2705 int swap_fd_;
Andreas Gampee1459ae2016-06-29 09:36:30 -07002706 size_t min_dex_files_for_swap_ = kDefaultMinDexFilesForSwap;
2707 size_t min_dex_file_cumulative_size_for_swap_ = kDefaultMinDexFileCumulativeSizeForSwap;
Andreas Gampe67f02822016-06-24 21:05:23 -07002708 size_t very_large_threshold_ = std::numeric_limits<size_t>::max();
Mathieu Chartiera90c7722015-10-29 15:41:36 -07002709 std::string app_image_file_name_;
2710 int app_image_fd_;
Calin Juravle2e2db782016-02-23 12:00:03 +00002711 std::string profile_file_;
2712 int profile_file_fd_;
Calin Juravle998c2162015-12-21 15:39:33 +02002713 std::unique_ptr<ProfileCompilationInfo> profile_compilation_info_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002714 TimingLogger* timings_;
2715 std::unique_ptr<CumulativeLogger> compiler_phases_timings_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002716 std::vector<std::vector<const DexFile*>> dex_files_per_oat_file_;
Vladimir Marko944da602016-02-19 12:27:55 +00002717 std::unordered_map<const DexFile*, size_t> dex_file_oat_index_map_;
Jeff Haodcdc85b2015-12-04 14:06:18 -08002718
2719 // Backing storage.
2720 std::vector<std::string> char_backing_storage_;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002721
Andreas Gampeace0dc12016-01-20 13:33:13 -08002722 // See CompilerOptions.force_determinism_.
2723 bool force_determinism_;
2724
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002725 DISALLOW_IMPLICIT_CONSTRUCTORS(Dex2Oat);
2726};
2727
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002728static void b13564922() {
2729#if defined(__linux__) && defined(__arm__)
2730 int major, minor;
2731 struct utsname uts;
2732 if (uname(&uts) != -1 &&
2733 sscanf(uts.release, "%d.%d", &major, &minor) == 2 &&
2734 ((major < 3) || ((major == 3) && (minor < 4)))) {
2735 // Kernels before 3.4 don't handle the ASLR well and we can run out of address
2736 // space (http://b/13564922). Work around the issue by inhibiting further mmap() randomization.
2737 int old_personality = personality(0xffffffff);
2738 if ((old_personality & ADDR_NO_RANDOMIZE) == 0) {
2739 int new_personality = personality(old_personality | ADDR_NO_RANDOMIZE);
2740 if (new_personality == -1) {
2741 LOG(WARNING) << "personality(. | ADDR_NO_RANDOMIZE) failed.";
2742 }
2743 }
2744 }
2745#endif
2746}
2747
Andreas Gampe10e477d2014-11-19 12:57:42 -08002748static int CompileImage(Dex2Oat& dex2oat) {
Mathieu Chartierc5dd3192015-12-09 16:38:30 -08002749 dex2oat.LoadClassProfileDescriptors();
Andreas Gampe10e477d2014-11-19 12:57:42 -08002750 dex2oat.Compile();
2751
David Brazdil7b49e6c2016-09-01 11:06:18 +01002752 if (!dex2oat.WriteOutputFiles()) {
2753 dex2oat.EraseOutputFiles();
Andreas Gampe10e477d2014-11-19 12:57:42 -08002754 return EXIT_FAILURE;
2755 }
2756
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002757 // Flush boot.oat. We always expect the output file by name, and it will be re-opened from the
2758 // unstripped name. Do not close the file if we are compiling the image with an oat fd since the
2759 // image writer will require this fd to generate the image.
2760 if (dex2oat.ShouldKeepOatFileOpen()) {
David Brazdil7b49e6c2016-09-01 11:06:18 +01002761 if (!dex2oat.FlushOutputFiles()) {
2762 dex2oat.EraseOutputFiles();
Mathieu Chartierfbc31082016-01-24 11:59:56 -08002763 return EXIT_FAILURE;
2764 }
David Brazdil7b49e6c2016-09-01 11:06:18 +01002765 } else if (!dex2oat.FlushCloseOutputFiles()) {
Andreas Gampe10e477d2014-11-19 12:57:42 -08002766 return EXIT_FAILURE;
2767 }
2768
Jeff Haodcdc85b2015-12-04 14:06:18 -08002769 // Creates the boot.art and patches the oat files.
Andreas Gampe10e477d2014-11-19 12:57:42 -08002770 if (!dex2oat.HandleImage()) {
2771 return EXIT_FAILURE;
2772 }
2773
2774 // When given --host, finish early without stripping.
2775 if (dex2oat.IsHost()) {
2776 dex2oat.DumpTiming();
2777 return EXIT_SUCCESS;
2778 }
2779
Jeff Haodcdc85b2015-12-04 14:06:18 -08002780 // Copy stripped to unstripped location, if necessary.
2781 if (!dex2oat.CopyStrippedToUnstripped()) {
Andreas Gampe10e477d2014-11-19 12:57:42 -08002782 return EXIT_FAILURE;
2783 }
2784
Jeff Haodcdc85b2015-12-04 14:06:18 -08002785 // FlushClose again, as stripping might have re-opened the oat files.
David Brazdil7b49e6c2016-09-01 11:06:18 +01002786 if (!dex2oat.FlushCloseOutputFiles()) {
Andreas Gampe10e477d2014-11-19 12:57:42 -08002787 return EXIT_FAILURE;
2788 }
2789
2790 dex2oat.DumpTiming();
2791 return EXIT_SUCCESS;
2792}
2793
2794static int CompileApp(Dex2Oat& dex2oat) {
2795 dex2oat.Compile();
2796
David Brazdil7b49e6c2016-09-01 11:06:18 +01002797 if (!dex2oat.WriteOutputFiles()) {
2798 dex2oat.EraseOutputFiles();
Andreas Gampe10e477d2014-11-19 12:57:42 -08002799 return EXIT_FAILURE;
2800 }
2801
Jeff Haodcdc85b2015-12-04 14:06:18 -08002802 // Do not close the oat files here. We might have gotten the output file by file descriptor,
Andreas Gampe10e477d2014-11-19 12:57:42 -08002803 // which we would lose.
Andreas Gampe10e477d2014-11-19 12:57:42 -08002804
2805 // When given --host, finish early without stripping.
2806 if (dex2oat.IsHost()) {
David Brazdil7b49e6c2016-09-01 11:06:18 +01002807 if (!dex2oat.FlushCloseOutputFiles()) {
Andreas Gampe10e477d2014-11-19 12:57:42 -08002808 return EXIT_FAILURE;
2809 }
2810
2811 dex2oat.DumpTiming();
2812 return EXIT_SUCCESS;
2813 }
2814
Jeff Haodcdc85b2015-12-04 14:06:18 -08002815 // Copy stripped to unstripped location, if necessary. This will implicitly flush & close the
2816 // stripped versions. If this is given, we expect to be able to open writable files by name.
2817 if (!dex2oat.CopyStrippedToUnstripped()) {
Andreas Gampe10e477d2014-11-19 12:57:42 -08002818 return EXIT_FAILURE;
2819 }
2820
Jeff Haodcdc85b2015-12-04 14:06:18 -08002821 // Flush and close the files.
David Brazdil7b49e6c2016-09-01 11:06:18 +01002822 if (!dex2oat.FlushCloseOutputFiles()) {
Andreas Gampe10e477d2014-11-19 12:57:42 -08002823 return EXIT_FAILURE;
2824 }
2825
2826 dex2oat.DumpTiming();
2827 return EXIT_SUCCESS;
2828}
2829
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002830static int dex2oat(int argc, char** argv) {
2831 b13564922();
2832
2833 TimingLogger timings("compiler", false, false);
2834
Roland Levillain5c7e2602016-02-23 18:08:53 +00002835 // Allocate `dex2oat` on the heap instead of on the stack, as Clang
2836 // might produce a stack frame too large for this function or for
2837 // functions inlining it (such as main), that would not fit the
2838 // requirements of the `-Wframe-larger-than` option.
2839 std::unique_ptr<Dex2Oat> dex2oat = MakeUnique<Dex2Oat>(&timings);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002840
2841 // Parse arguments. Argument mistakes will lead to exit(EXIT_FAILURE) in UsageError.
Roland Levillain5c7e2602016-02-23 18:08:53 +00002842 dex2oat->ParseArgs(argc, argv);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002843
Calin Juravleb077e152016-02-18 18:47:37 +00002844 // If needed, process profile information for profile guided compilation.
Calin Juravle998c2162015-12-21 15:39:33 +02002845 // This operation involves I/O.
Roland Levillain5c7e2602016-02-23 18:08:53 +00002846 if (dex2oat->UseProfileGuidedCompilation()) {
Calin Juravleb077e152016-02-18 18:47:37 +00002847 if (!dex2oat->LoadProfile()) {
2848 LOG(ERROR) << "Failed to process profile file";
Calin Juravle998c2162015-12-21 15:39:33 +02002849 return EXIT_FAILURE;
2850 }
2851 }
2852
Nicolas Geoffrayb0bbe8e2016-11-19 10:42:37 +00002853 art::MemMap::Init(); // For ZipEntry::ExtractToMemMap, and vdex.
2854
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002855 // Check early that the result of compilation can be written
Roland Levillain5c7e2602016-02-23 18:08:53 +00002856 if (!dex2oat->OpenFile()) {
Vladimir Marko9bdf1082016-01-21 12:15:52 +00002857 return EXIT_FAILURE;
2858 }
2859
Andreas Gampe046c7062015-05-18 23:22:54 -07002860 // Print the complete line when any of the following is true:
2861 // 1) Debug build
2862 // 2) Compiling an image
2863 // 3) Compiling with --host
2864 // 4) Compiling on the host (not a target build)
2865 // Otherwise, print a stripped command line.
Roland Levillain5c7e2602016-02-23 18:08:53 +00002866 if (kIsDebugBuild || dex2oat->IsBootImage() || dex2oat->IsHost() || !kIsTargetBuild) {
Andreas Gampe046c7062015-05-18 23:22:54 -07002867 LOG(INFO) << CommandLine();
2868 } else {
2869 LOG(INFO) << StrippedCommandLine();
2870 }
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002871
Roland Levillain5c7e2602016-02-23 18:08:53 +00002872 if (!dex2oat->Setup()) {
David Brazdil7b49e6c2016-09-01 11:06:18 +01002873 dex2oat->EraseOutputFiles();
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002874 return EXIT_FAILURE;
2875 }
2876
Wojciech Staszkiewicz529827d2016-09-15 10:30:30 -07002877 // Helps debugging on device. Can be used to determine which dalvikvm instance invoked a dex2oat
2878 // instance. Used by tools/bisection_search/bisection_search.py.
Wojciech Staszkiewicz0a4c75f2016-09-13 12:06:36 -07002879 VLOG(compiler) << "Running dex2oat (parent PID = " << getppid() << ")";
2880
Mathieu Chartier673ed3d2015-08-28 14:56:43 -07002881 bool result;
Roland Levillain5c7e2602016-02-23 18:08:53 +00002882 if (dex2oat->IsImage()) {
2883 result = CompileImage(*dex2oat);
Andreas Gampe10e477d2014-11-19 12:57:42 -08002884 } else {
Roland Levillain5c7e2602016-02-23 18:08:53 +00002885 result = CompileApp(*dex2oat);
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002886 }
Mathieu Chartier673ed3d2015-08-28 14:56:43 -07002887
Roland Levillain5c7e2602016-02-23 18:08:53 +00002888 dex2oat->Shutdown();
Mathieu Chartier673ed3d2015-08-28 14:56:43 -07002889 return result;
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002890}
Brian Carlstrom7934ac22013-07-26 10:54:15 -07002891} // namespace art
Brian Carlstrom7940e442013-07-12 13:46:57 -07002892
2893int main(int argc, char** argv) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002894 int result = art::dex2oat(argc, argv);
2895 // Everything was done, do an explicit exit here to avoid running Runtime destructors that take
2896 // time (bug 10645725) unless we're a debug build or running on valgrind. Note: The Dex2Oat class
2897 // should not destruct the runtime in this case.
Evgenii Stepanov1e133742015-05-20 12:30:59 -07002898 if (!art::kIsDebugBuild && (RUNNING_ON_MEMORY_TOOL == 0)) {
Andreas Gampe88ec7f42014-11-05 10:18:32 -08002899 exit(result);
2900 }
2901 return result;
Brian Carlstrom7940e442013-07-12 13:46:57 -07002902}