Elliott Hughes | 2faa5f1 | 2012-01-30 14:42:07 -0800 | [diff] [blame] | 1 | /* |
| 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 | */ |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 16 | |
| 17 | #include "compiler.h" |
| 18 | |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 19 | #include <vector> |
| 20 | |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 21 | #include <dlfcn.h> |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 22 | #include <unistd.h> |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 23 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 24 | #include "class_linker.h" |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 25 | #include "class_loader.h" |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 26 | #include "dex_cache.h" |
Brian Carlstrom | 9baa4ae | 2011-09-01 21:14:14 -0700 | [diff] [blame] | 27 | #include "jni_internal.h" |
Logan Chien | 4dd96f5 | 2012-02-29 01:26:58 +0800 | [diff] [blame] | 28 | #include "oat_compilation_unit.h" |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 29 | #include "oat_file.h" |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 30 | #include "oat/runtime/stub.h" |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 31 | #include "object_utils.h" |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 32 | #include "runtime.h" |
Mathieu Chartier | 7469ebf | 2012-09-24 16:28:36 -0700 | [diff] [blame] | 33 | #include "gc/space.h" |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 34 | #include "scoped_thread_state_change.h" |
| 35 | #include "ScopedLocalRef.h" |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 36 | #include "stl_util.h" |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 37 | #include "thread.h" |
Elliott Hughes | 601a123 | 2012-02-02 17:47:38 -0800 | [diff] [blame] | 38 | #include "timing_logger.h" |
Ian Rogers | 776ac1f | 2012-04-13 23:36:36 -0700 | [diff] [blame] | 39 | #include "verifier/method_verifier.h" |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 40 | |
Elliott Hughes | 059d5c1 | 2012-03-12 17:39:18 -0700 | [diff] [blame] | 41 | #if defined(__APPLE__) |
| 42 | #include <mach-o/dyld.h> |
| 43 | #endif |
| 44 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 45 | namespace art { |
| 46 | |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 47 | static double Percentage(size_t x, size_t y) { |
Elliott Hughes | 398f64b | 2012-03-26 18:05:48 -0700 | [diff] [blame] | 48 | return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | static void DumpStat(size_t x, size_t y, const char* str) { |
| 52 | if (x == 0 && y == 0) { |
| 53 | return; |
| 54 | } |
| 55 | LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; |
| 56 | } |
| 57 | |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 58 | class AOTCompilationStats { |
| 59 | public: |
Ian Rogers | ca19066 | 2012-06-26 15:45:57 -0700 | [diff] [blame] | 60 | AOTCompilationStats() |
| 61 | : stats_lock_("AOT compilation statistics lock"), |
| 62 | types_in_dex_cache_(0), types_not_in_dex_cache_(0), |
| 63 | strings_in_dex_cache_(0), strings_not_in_dex_cache_(0), |
| 64 | resolved_types_(0), unresolved_types_(0), |
| 65 | resolved_instance_fields_(0), unresolved_instance_fields_(0), |
| 66 | resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0) { |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 67 | for (size_t i = 0; i <= kMaxInvokeType; i++) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 68 | resolved_methods_[i] = 0; |
| 69 | unresolved_methods_[i] = 0; |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 70 | virtual_made_direct_[i] = 0; |
| 71 | direct_calls_to_boot_[i] = 0; |
| 72 | direct_methods_to_boot_[i] = 0; |
Elliott Hughes | b25c3f6 | 2012-03-26 16:35:06 -0700 | [diff] [blame] | 73 | } |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | void Dump() { |
| 77 | DumpStat(types_in_dex_cache_, types_not_in_dex_cache_, "types known to be in dex cache"); |
| 78 | DumpStat(strings_in_dex_cache_, strings_not_in_dex_cache_, "strings known to be in dex cache"); |
| 79 | DumpStat(resolved_types_, unresolved_types_, "types resolved"); |
| 80 | DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); |
| 81 | DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, |
| 82 | "static fields resolved"); |
| 83 | DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, |
| 84 | "static fields local to a class"); |
| 85 | |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 86 | for (size_t i = 0; i <= kMaxInvokeType; i++) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 87 | std::ostringstream oss; |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 88 | oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 89 | DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 90 | if (virtual_made_direct_[i] > 0) { |
| 91 | std::ostringstream oss2; |
| 92 | oss2 << static_cast<InvokeType>(i) << " methods made direct"; |
| 93 | DumpStat(virtual_made_direct_[i], |
| 94 | resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], |
| 95 | oss2.str().c_str()); |
| 96 | } |
| 97 | if (direct_calls_to_boot_[i] > 0) { |
| 98 | std::ostringstream oss2; |
| 99 | oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; |
| 100 | DumpStat(direct_calls_to_boot_[i], |
| 101 | resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], |
| 102 | oss2.str().c_str()); |
| 103 | } |
| 104 | if (direct_methods_to_boot_[i] > 0) { |
| 105 | std::ostringstream oss2; |
| 106 | oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; |
| 107 | DumpStat(direct_methods_to_boot_[i], |
| 108 | resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], |
| 109 | oss2.str().c_str()); |
| 110 | } |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 111 | } |
| 112 | } |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 113 | |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 114 | // Allow lossy statistics in non-debug builds. |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 115 | #ifndef NDEBUG |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 116 | #define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 117 | #else |
| 118 | #define STATS_LOCK() |
| 119 | #endif |
| 120 | |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 121 | void TypeInDexCache() { |
| 122 | STATS_LOCK(); |
| 123 | types_in_dex_cache_++; |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 124 | } |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 125 | |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 126 | void TypeNotInDexCache() { |
| 127 | STATS_LOCK(); |
| 128 | types_not_in_dex_cache_++; |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 129 | } |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 130 | |
| 131 | void StringInDexCache() { |
| 132 | STATS_LOCK(); |
| 133 | strings_in_dex_cache_++; |
| 134 | } |
| 135 | |
| 136 | void StringNotInDexCache() { |
| 137 | STATS_LOCK(); |
| 138 | strings_not_in_dex_cache_++; |
| 139 | } |
| 140 | |
| 141 | void TypeDoesntNeedAccessCheck() { |
| 142 | STATS_LOCK(); |
| 143 | resolved_types_++; |
| 144 | } |
| 145 | |
| 146 | void TypeNeedsAccessCheck() { |
| 147 | STATS_LOCK(); |
| 148 | unresolved_types_++; |
| 149 | } |
| 150 | |
| 151 | void ResolvedInstanceField() { |
| 152 | STATS_LOCK(); |
| 153 | resolved_instance_fields_++; |
| 154 | } |
| 155 | |
Elliott Hughes | b25c3f6 | 2012-03-26 16:35:06 -0700 | [diff] [blame] | 156 | void UnresolvedInstanceField() { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 157 | STATS_LOCK(); |
| 158 | unresolved_instance_fields_++; |
| 159 | } |
| 160 | |
| 161 | void ResolvedLocalStaticField() { |
| 162 | STATS_LOCK(); |
| 163 | resolved_local_static_fields_++; |
| 164 | } |
| 165 | |
| 166 | void ResolvedStaticField() { |
| 167 | STATS_LOCK(); |
| 168 | resolved_static_fields_++; |
| 169 | } |
| 170 | |
| 171 | void UnresolvedStaticField() { |
| 172 | STATS_LOCK(); |
| 173 | unresolved_static_fields_++; |
| 174 | } |
| 175 | |
| 176 | void ResolvedMethod(InvokeType type) { |
| 177 | DCHECK_LE(type, kMaxInvokeType); |
| 178 | STATS_LOCK(); |
| 179 | resolved_methods_[type]++; |
| 180 | } |
| 181 | |
| 182 | void UnresolvedMethod(InvokeType type) { |
| 183 | DCHECK_LE(type, kMaxInvokeType); |
| 184 | STATS_LOCK(); |
| 185 | unresolved_methods_[type]++; |
| 186 | } |
| 187 | |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 188 | void VirtualMadeDirect(InvokeType type) { |
| 189 | DCHECK_LE(type, kMaxInvokeType); |
Ian Rogers | fb6adba | 2012-03-04 21:51:51 -0800 | [diff] [blame] | 190 | STATS_LOCK(); |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 191 | virtual_made_direct_[type]++; |
Ian Rogers | fb6adba | 2012-03-04 21:51:51 -0800 | [diff] [blame] | 192 | } |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 193 | |
| 194 | void DirectCallsToBoot(InvokeType type) { |
| 195 | DCHECK_LE(type, kMaxInvokeType); |
| 196 | STATS_LOCK(); |
| 197 | direct_calls_to_boot_[type]++; |
| 198 | } |
| 199 | |
| 200 | void DirectMethodsToBoot(InvokeType type) { |
| 201 | DCHECK_LE(type, kMaxInvokeType); |
| 202 | STATS_LOCK(); |
| 203 | direct_methods_to_boot_[type]++; |
| 204 | } |
| 205 | |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 206 | private: |
| 207 | Mutex stats_lock_; |
| 208 | |
| 209 | size_t types_in_dex_cache_; |
| 210 | size_t types_not_in_dex_cache_; |
| 211 | |
| 212 | size_t strings_in_dex_cache_; |
| 213 | size_t strings_not_in_dex_cache_; |
| 214 | |
| 215 | size_t resolved_types_; |
| 216 | size_t unresolved_types_; |
| 217 | |
| 218 | size_t resolved_instance_fields_; |
| 219 | size_t unresolved_instance_fields_; |
| 220 | |
| 221 | size_t resolved_local_static_fields_; |
| 222 | size_t resolved_static_fields_; |
| 223 | size_t unresolved_static_fields_; |
| 224 | |
| 225 | size_t resolved_methods_[kMaxInvokeType + 1]; |
| 226 | size_t unresolved_methods_[kMaxInvokeType + 1]; |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 227 | size_t virtual_made_direct_[kMaxInvokeType + 1]; |
| 228 | size_t direct_calls_to_boot_[kMaxInvokeType + 1]; |
| 229 | size_t direct_methods_to_boot_[kMaxInvokeType + 1]; |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 230 | |
Elliott Hughes | b25c3f6 | 2012-03-26 16:35:06 -0700 | [diff] [blame] | 231 | DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 232 | }; |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 233 | |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 234 | static std::string MakeCompilerSoName(CompilerBackend compiler_backend, InstructionSet instruction_set) { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 235 | // TODO: is the ARM/Thumb2 instruction set distinction really buying us anything, |
| 236 | // or just causing hassle like this? |
| 237 | if (instruction_set == kThumb2) { |
| 238 | instruction_set = kArm; |
| 239 | } |
| 240 | |
Brian Carlstrom | 5644f00 | 2012-06-27 23:05:17 -0700 | [diff] [blame] | 241 | // Lower case the instruction set, because that's what we do in the build system. |
Elliott Hughes | 6fcce30 | 2012-06-19 16:54:19 -0700 | [diff] [blame] | 242 | std::string instruction_set_name(ToStr<InstructionSet>(instruction_set).str()); |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 243 | for (size_t i = 0; i < instruction_set_name.size(); ++i) { |
Brian Carlstrom | 5644f00 | 2012-06-27 23:05:17 -0700 | [diff] [blame] | 244 | instruction_set_name[i] = tolower(instruction_set_name[i]); |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 245 | } |
Elliott Hughes | 059d5c1 | 2012-03-12 17:39:18 -0700 | [diff] [blame] | 246 | |
| 247 | // Bad things happen if we pull in the libartd-compiler to a libart dex2oat or vice versa, |
| 248 | // because we end up with both libart and libartd in the same address space! |
Elliott Hughes | 67d9200 | 2012-03-26 15:08:51 -0700 | [diff] [blame] | 249 | const char* suffix = (kIsDebugBuild ? "d" : ""); |
Elliott Hughes | 059d5c1 | 2012-03-12 17:39:18 -0700 | [diff] [blame] | 250 | |
| 251 | // Work out the filename for the compiler library. |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 252 | std::string library_name; |
| 253 | if ((compiler_backend == kPortable) || (compiler_backend == kIceland)) { |
| 254 | library_name = StringPrintf("art%s-compiler-llvm", suffix); |
| 255 | } else { |
| 256 | library_name = StringPrintf("art%s-compiler-%s", suffix, instruction_set_name.c_str()); |
| 257 | } |
Elliott Hughes | 059d5c1 | 2012-03-12 17:39:18 -0700 | [diff] [blame] | 258 | std::string filename(StringPrintf(OS_SHARED_LIB_FORMAT_STR, library_name.c_str())); |
| 259 | |
| 260 | #if defined(__APPLE__) |
| 261 | // On Linux, dex2oat will have been built with an RPATH of $ORIGIN/../lib, so dlopen(3) will find |
| 262 | // the .so by itself. On Mac OS, there isn't really an equivalent, so we have to manually do the |
| 263 | // same work. |
Elliott Hughes | 059d5c1 | 2012-03-12 17:39:18 -0700 | [diff] [blame] | 264 | uint32_t executable_path_length = 0; |
Elliott Hughes | 448e93c | 2012-03-28 22:30:06 -0700 | [diff] [blame] | 265 | _NSGetExecutablePath(NULL, &executable_path_length); |
| 266 | std::string path(executable_path_length, static_cast<char>(0)); |
| 267 | CHECK_EQ(_NSGetExecutablePath(&path[0], &executable_path_length), 0); |
Elliott Hughes | 059d5c1 | 2012-03-12 17:39:18 -0700 | [diff] [blame] | 268 | |
| 269 | // Strip the "/dex2oat". |
| 270 | size_t last_slash = path.find_last_of('/'); |
| 271 | CHECK_NE(last_slash, std::string::npos) << path; |
| 272 | path.resize(last_slash); |
| 273 | |
| 274 | // Strip the "/bin". |
| 275 | last_slash = path.find_last_of('/'); |
| 276 | path.resize(last_slash); |
| 277 | |
| 278 | filename = path + "/lib/" + filename; |
| 279 | #endif |
| 280 | return filename; |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 281 | } |
| 282 | |
Elliott Hughes | 46f060a | 2012-03-09 17:36:50 -0800 | [diff] [blame] | 283 | template<typename Fn> |
| 284 | static Fn FindFunction(const std::string& compiler_so_name, void* library, const char* name) { |
| 285 | Fn fn = reinterpret_cast<Fn>(dlsym(library, name)); |
| 286 | if (fn == NULL) { |
| 287 | LOG(FATAL) << "Couldn't find \"" << name << "\" in compiler library " << compiler_so_name << ": " << dlerror(); |
| 288 | } |
Elliott Hughes | 059d5c1 | 2012-03-12 17:39:18 -0700 | [diff] [blame] | 289 | VLOG(compiler) << "Found \"" << name << "\" at " << reinterpret_cast<void*>(fn); |
Elliott Hughes | 46f060a | 2012-03-09 17:36:50 -0800 | [diff] [blame] | 290 | return fn; |
| 291 | } |
| 292 | |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 293 | Compiler::Compiler(CompilerBackend compiler_backend, InstructionSet instruction_set, bool image, |
| 294 | size_t thread_count, bool support_debugging, const std::set<std::string>* image_classes, |
Brian Carlstrom | ba0668e | 2012-03-26 13:14:07 -0700 | [diff] [blame] | 295 | bool dump_stats, bool dump_timings) |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 296 | : compiler_backend_(compiler_backend), |
| 297 | instruction_set_(instruction_set), |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 298 | compiled_classes_lock_("compiled classes lock"), |
| 299 | compiled_methods_lock_("compiled method lock"), |
| 300 | compiled_invoke_stubs_lock_("compiled invoke stubs lock"), |
Logan Chien | 7a2a23a | 2012-06-06 11:01:00 +0800 | [diff] [blame] | 301 | compiled_proxy_stubs_lock_("compiled proxy stubs lock"), |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 302 | image_(image), |
Elliott Hughes | 5523ee0 | 2012-02-03 18:18:34 -0800 | [diff] [blame] | 303 | thread_count_(thread_count), |
Elliott Hughes | de6e4cf | 2012-02-27 14:46:06 -0800 | [diff] [blame] | 304 | support_debugging_(support_debugging), |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 305 | start_ns_(0), |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 306 | stats_(new AOTCompilationStats), |
Brian Carlstrom | ba0668e | 2012-03-26 13:14:07 -0700 | [diff] [blame] | 307 | dump_stats_(dump_stats), |
| 308 | dump_timings_(dump_timings), |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 309 | image_classes_(image_classes), |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 310 | compiler_library_(NULL), |
Elliott Hughes | 46f060a | 2012-03-09 17:36:50 -0800 | [diff] [blame] | 311 | compiler_(NULL), |
Elliott Hughes | 6f4976c | 2012-03-13 21:19:01 -0700 | [diff] [blame] | 312 | compiler_context_(NULL), |
Elliott Hughes | 46f060a | 2012-03-09 17:36:50 -0800 | [diff] [blame] | 313 | jni_compiler_(NULL), |
Logan Chien | 971bf3f | 2012-05-01 15:47:55 +0800 | [diff] [blame] | 314 | create_invoke_stub_(NULL) |
| 315 | { |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 316 | std::string compiler_so_name(MakeCompilerSoName(compiler_backend_, instruction_set_)); |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 317 | compiler_library_ = dlopen(compiler_so_name.c_str(), RTLD_LAZY); |
| 318 | if (compiler_library_ == NULL) { |
| 319 | LOG(FATAL) << "Couldn't find compiler library " << compiler_so_name << ": " << dlerror(); |
| 320 | } |
| 321 | VLOG(compiler) << "dlopen(\"" << compiler_so_name << "\", RTLD_LAZY) returned " << compiler_library_; |
| 322 | |
buzbee | 4df2bbd | 2012-10-11 14:46:06 -0700 | [diff] [blame] | 323 | CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, NULL), "compiler tls key"); |
| 324 | |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 325 | // TODO: more work needed to combine initializations and allow per-method backend selection |
Logan Chien | 106b2a0 | 2012-03-18 04:41:38 +0800 | [diff] [blame] | 326 | typedef void (*InitCompilerContextFn)(Compiler&); |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 327 | InitCompilerContextFn init_compiler_context; |
| 328 | if ((compiler_backend_ == kPortable) || (compiler_backend_ == kIceland)){ |
| 329 | // Initialize compiler_context_ |
| 330 | init_compiler_context = FindFunction<void (*)(Compiler&)>(compiler_so_name, |
| 331 | compiler_library_, "ArtInitCompilerContext"); |
| 332 | compiler_ = FindFunction<CompilerFn>(compiler_so_name, compiler_library_, "ArtCompileMethod"); |
| 333 | } else { |
| 334 | init_compiler_context = FindFunction<void (*)(Compiler&)>(compiler_so_name, |
| 335 | compiler_library_, "ArtInitQuickCompilerContext"); |
| 336 | compiler_ = FindFunction<CompilerFn>(compiler_so_name, compiler_library_, "ArtQuickCompileMethod"); |
| 337 | } |
Logan Chien | 106b2a0 | 2012-03-18 04:41:38 +0800 | [diff] [blame] | 338 | |
| 339 | init_compiler_context(*this); |
buzbee | 692be80 | 2012-08-29 15:52:59 -0700 | [diff] [blame] | 340 | |
Elliott Hughes | 46f060a | 2012-03-09 17:36:50 -0800 | [diff] [blame] | 341 | jni_compiler_ = FindFunction<JniCompilerFn>(compiler_so_name, compiler_library_, "ArtJniCompileMethod"); |
| 342 | create_invoke_stub_ = FindFunction<CreateInvokeStubFn>(compiler_so_name, compiler_library_, "ArtCreateInvokeStub"); |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 343 | |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 344 | if ((compiler_backend_ == kPortable) || (compiler_backend_ == kIceland)) { |
| 345 | create_proxy_stub_ = FindFunction<CreateProxyStubFn>( |
| 346 | compiler_so_name, compiler_library_, "ArtCreateProxyStub"); |
| 347 | } |
Logan Chien | f7015fd | 2012-03-18 01:19:37 +0800 | [diff] [blame] | 348 | |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 349 | CHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 350 | if (!image_) { |
| 351 | CHECK(image_classes_ == NULL); |
| 352 | } |
Shih-wei Liao | c486c11 | 2011-09-13 16:43:52 -0700 | [diff] [blame] | 353 | } |
| 354 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 355 | Compiler::~Compiler() { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 356 | Thread* self = Thread::Current(); |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 357 | { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 358 | MutexLock mu(self, compiled_classes_lock_); |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 359 | STLDeleteValues(&compiled_classes_); |
| 360 | } |
| 361 | { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 362 | MutexLock mu(self, compiled_methods_lock_); |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 363 | STLDeleteValues(&compiled_methods_); |
| 364 | } |
| 365 | { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 366 | MutexLock mu(self, compiled_invoke_stubs_lock_); |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 367 | STLDeleteValues(&compiled_invoke_stubs_); |
Elliott Hughes | bb551fa | 2012-01-25 16:35:29 -0800 | [diff] [blame] | 368 | } |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 369 | { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 370 | MutexLock mu(self, compiled_proxy_stubs_lock_); |
Logan Chien | 7a2a23a | 2012-06-06 11:01:00 +0800 | [diff] [blame] | 371 | STLDeleteValues(&compiled_proxy_stubs_); |
| 372 | } |
| 373 | { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 374 | MutexLock mu(self, compiled_methods_lock_); |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 375 | STLDeleteElements(&code_to_patch_); |
| 376 | } |
| 377 | { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 378 | MutexLock mu(self, compiled_methods_lock_); |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 379 | STLDeleteElements(&methods_to_patch_); |
| 380 | } |
Mathieu Chartier | ed6d5ed | 2012-10-12 14:51:46 -0700 | [diff] [blame] | 381 | CHECK_PTHREAD_CALL(pthread_key_delete, (tls_key_), "delete tls key"); |
Logan Chien | 971bf3f | 2012-05-01 15:47:55 +0800 | [diff] [blame] | 382 | typedef void (*UninitCompilerContextFn)(Compiler&); |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 383 | std::string compiler_so_name(MakeCompilerSoName(compiler_backend_, instruction_set_)); |
| 384 | UninitCompilerContextFn uninit_compiler_context; |
buzbee | 692be80 | 2012-08-29 15:52:59 -0700 | [diff] [blame] | 385 | // Uninitialize compiler_context_ |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 386 | // TODO: rework to combine initialization/uninitialization |
| 387 | if ((compiler_backend_ == kPortable) || (compiler_backend_ == kIceland)) { |
| 388 | uninit_compiler_context = FindFunction<void (*)(Compiler&)>(compiler_so_name, |
| 389 | compiler_library_, "ArtUnInitCompilerContext"); |
| 390 | } else { |
| 391 | uninit_compiler_context = FindFunction<void (*)(Compiler&)>(compiler_so_name, |
| 392 | compiler_library_, "ArtUnInitQuickCompilerContext"); |
| 393 | } |
buzbee | 692be80 | 2012-08-29 15:52:59 -0700 | [diff] [blame] | 394 | uninit_compiler_context(*this); |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 395 | if (compiler_library_ != NULL) { |
| 396 | VLOG(compiler) << "dlclose(" << compiler_library_ << ")"; |
buzbee | ca7a5e4 | 2012-08-20 11:12:18 -0700 | [diff] [blame] | 397 | /* |
| 398 | * FIXME: Temporary workaround |
| 399 | * Apparently, llvm is adding dctors to atexit, but if we unload |
| 400 | * the library here the code will no longer be around at exit time |
| 401 | * and we die a flaming death in __cxa_finalize(). Apparently, some |
| 402 | * dlclose() implementations will scan the atexit list on unload and |
| 403 | * handle any associated with the soon-to-be-unloaded library. |
| 404 | * However, this is not required by POSIX and we don't do it. |
| 405 | * See: http://b/issue?id=4998315 |
| 406 | * What's the right thing to do here? |
| 407 | */ |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 408 | dlclose(compiler_library_); |
| 409 | } |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 410 | } |
| 411 | |
buzbee | 4df2bbd | 2012-10-11 14:46:06 -0700 | [diff] [blame] | 412 | CompilerTls* Compiler::GetTls() { |
| 413 | // Lazily create thread-local storage |
| 414 | CompilerTls* res = static_cast<CompilerTls*>(pthread_getspecific(tls_key_)); |
| 415 | if (res == NULL) { |
| 416 | res = new CompilerTls(); |
| 417 | CHECK_PTHREAD_CALL(pthread_setspecific, (tls_key_, res), "compiler tls"); |
| 418 | } |
| 419 | return res; |
| 420 | } |
| 421 | |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 422 | ByteArray* Compiler::CreateResolutionStub(InstructionSet instruction_set, |
| 423 | Runtime::TrampolineType type) { |
jeffhao | 7fbee07 | 2012-08-24 17:56:54 -0700 | [diff] [blame] | 424 | switch (instruction_set) { |
| 425 | case kArm: |
| 426 | case kThumb2: |
| 427 | return arm::ArmCreateResolutionTrampoline(type); |
| 428 | case kMips: |
| 429 | return mips::MipsCreateResolutionTrampoline(type); |
| 430 | case kX86: |
| 431 | return x86::X86CreateResolutionTrampoline(type); |
| 432 | default: |
| 433 | LOG(FATAL) << "Unknown InstructionSet: " << instruction_set; |
| 434 | return NULL; |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 435 | } |
| 436 | } |
| 437 | |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame] | 438 | ByteArray* Compiler::CreateJniDlsymLookupStub(InstructionSet instruction_set) { |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 439 | switch (instruction_set) { |
| 440 | case kArm: |
| 441 | case kThumb2: |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame] | 442 | return arm::CreateJniDlsymLookupStub(); |
jeffhao | 7fbee07 | 2012-08-24 17:56:54 -0700 | [diff] [blame] | 443 | case kMips: |
| 444 | return mips::CreateJniDlsymLookupStub(); |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 445 | case kX86: |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame] | 446 | return x86::CreateJniDlsymLookupStub(); |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 447 | default: |
Ian Rogers | 49c4894 | 2012-03-11 15:15:37 -0700 | [diff] [blame] | 448 | LOG(FATAL) << "Unknown InstructionSet: " << instruction_set; |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 449 | return NULL; |
| 450 | } |
| 451 | } |
| 452 | |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 453 | ByteArray* Compiler::CreateAbstractMethodErrorStub(InstructionSet instruction_set) { |
jeffhao | 7fbee07 | 2012-08-24 17:56:54 -0700 | [diff] [blame] | 454 | switch (instruction_set) { |
| 455 | case kArm: |
| 456 | case kThumb2: |
| 457 | return arm::CreateAbstractMethodErrorStub(); |
| 458 | case kMips: |
| 459 | return mips::CreateAbstractMethodErrorStub(); |
| 460 | case kX86: |
| 461 | return x86::CreateAbstractMethodErrorStub(); |
| 462 | default: |
| 463 | LOG(FATAL) << "Unknown InstructionSet: " << instruction_set; |
| 464 | return NULL; |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 465 | } |
| 466 | } |
| 467 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 468 | void Compiler::CompileAll(jobject class_loader, |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 469 | const std::vector<const DexFile*>& dex_files) { |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 470 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 471 | |
Elliott Hughes | 601a123 | 2012-02-02 17:47:38 -0800 | [diff] [blame] | 472 | TimingLogger timings("compiler"); |
| 473 | |
| 474 | PreCompile(class_loader, dex_files, timings); |
| 475 | |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 476 | Compile(class_loader, dex_files, timings); |
Elliott Hughes | 601a123 | 2012-02-02 17:47:38 -0800 | [diff] [blame] | 477 | |
Brian Carlstrom | ba0668e | 2012-03-26 13:14:07 -0700 | [diff] [blame] | 478 | if (dump_timings_ && timings.GetTotalNs() > MsToNs(1000)) { |
Elliott Hughes | 601a123 | 2012-02-02 17:47:38 -0800 | [diff] [blame] | 479 | timings.Dump(); |
| 480 | } |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 481 | |
Brian Carlstrom | ba0668e | 2012-03-26 13:14:07 -0700 | [diff] [blame] | 482 | if (dump_stats_) { |
| 483 | stats_->Dump(); |
| 484 | } |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 485 | } |
| 486 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 487 | void Compiler::CompileOne(const AbstractMethod* method) { |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 488 | DCHECK(!Runtime::Current()->IsStarted()); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 489 | Thread* self = Thread::Current(); |
| 490 | jobject class_loader; |
| 491 | const DexCache* dex_cache; |
| 492 | const DexFile* dex_file; |
| 493 | { |
| 494 | ScopedObjectAccessUnchecked soa(self); |
| 495 | ScopedLocalRef<jobject> |
| 496 | local_class_loader(soa.Env(), |
| 497 | soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); |
| 498 | class_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); |
| 499 | // Find the dex_file |
| 500 | dex_cache = method->GetDeclaringClass()->GetDexCache(); |
Ian Rogers | 4445a7e | 2012-10-05 17:19:13 -0700 | [diff] [blame] | 501 | dex_file = dex_cache->GetDexFile(); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 502 | } |
| 503 | self->TransitionFromRunnableToSuspended(kNative); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 504 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 505 | std::vector<const DexFile*> dex_files; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 506 | dex_files.push_back(dex_file); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 507 | |
Elliott Hughes | 601a123 | 2012-02-02 17:47:38 -0800 | [diff] [blame] | 508 | TimingLogger timings("CompileOne"); |
| 509 | PreCompile(class_loader, dex_files, timings); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 510 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 511 | uint32_t method_idx = method->GetDexMethodIndex(); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 512 | const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 513 | CompileMethod(code_item, method->GetAccessFlags(), method->GetInvokeType(), |
| 514 | method_idx, class_loader, *dex_file); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 515 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 516 | self->GetJniEnv()->DeleteGlobalRef(class_loader); |
| 517 | |
| 518 | self->TransitionFromSuspendedToRunnable(); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 519 | } |
| 520 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 521 | void Compiler::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, |
| 522 | TimingLogger& timings) { |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 523 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 524 | const DexFile* dex_file = dex_files[i]; |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 525 | CHECK(dex_file != NULL); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 526 | ResolveDexFile(class_loader, *dex_file, timings); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 527 | } |
| 528 | } |
| 529 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 530 | void Compiler::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, |
| 531 | TimingLogger& timings) { |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 532 | Resolve(class_loader, dex_files, timings); |
Elliott Hughes | 601a123 | 2012-02-02 17:47:38 -0800 | [diff] [blame] | 533 | |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 534 | Verify(class_loader, dex_files, timings); |
Elliott Hughes | 601a123 | 2012-02-02 17:47:38 -0800 | [diff] [blame] | 535 | |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 536 | InitializeClassesWithoutClinit(class_loader, dex_files, timings); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 537 | } |
| 538 | |
| 539 | bool Compiler::IsImageClass(const std::string& descriptor) const { |
| 540 | if (image_classes_ == NULL) { |
| 541 | return true; |
| 542 | } |
| 543 | return image_classes_->find(descriptor) != image_classes_->end(); |
| 544 | } |
| 545 | |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 546 | void Compiler::RecordClassStatus(ClassReference ref, CompiledClass* compiled_class) { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 547 | MutexLock mu(Thread::Current(), Compiler::compiled_classes_lock_); |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 548 | compiled_classes_.Put(ref, compiled_class); |
| 549 | } |
| 550 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 551 | bool Compiler::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 552 | uint32_t type_idx) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 553 | ScopedObjectAccess soa(Thread::Current()); |
| 554 | DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 555 | if (!IsImage()) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 556 | stats_->TypeNotInDexCache(); |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 557 | return false; |
| 558 | } |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 559 | Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 560 | if (resolved_class == NULL) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 561 | stats_->TypeNotInDexCache(); |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 562 | return false; |
| 563 | } |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 564 | bool result = IsImageClass(ClassHelper(resolved_class).GetDescriptor()); |
| 565 | if (result) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 566 | stats_->TypeInDexCache(); |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 567 | } else { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 568 | stats_->TypeNotInDexCache(); |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 569 | } |
| 570 | return result; |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 571 | } |
| 572 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 573 | bool Compiler::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 574 | uint32_t string_idx) { |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 575 | // TODO: Add support for loading strings referenced by image_classes_ |
| 576 | // See also Compiler::ResolveDexFile |
| 577 | |
| 578 | // The following is a test saying that if we're building the image without a restricted set of |
| 579 | // image classes then we can assume the string is present in the dex cache if it is there now |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 580 | bool result = IsImage() && image_classes_ == NULL; |
| 581 | if (result) { |
| 582 | ScopedObjectAccess soa(Thread::Current()); |
| 583 | DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); |
| 584 | result = dex_cache->GetResolvedString(string_idx) != NULL; |
| 585 | } |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 586 | if (result) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 587 | stats_->StringInDexCache(); |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 588 | } else { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 589 | stats_->StringNotInDexCache(); |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 590 | } |
| 591 | return result; |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 592 | } |
| 593 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 594 | bool Compiler::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, |
| 595 | uint32_t type_idx) { |
| 596 | ScopedObjectAccess soa(Thread::Current()); |
| 597 | DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 598 | // Get type from dex cache assuming it was populated by the verifier |
| 599 | Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
| 600 | if (resolved_class == NULL) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 601 | stats_->TypeNeedsAccessCheck(); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 602 | return false; // Unknown class needs access checks. |
| 603 | } |
| 604 | const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); |
| 605 | Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); |
| 606 | if (referrer_class == NULL) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 607 | stats_->TypeNeedsAccessCheck(); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 608 | return false; // Incomplete referrer knowledge needs access check. |
| 609 | } |
| 610 | // Perform access check, will return true if access is ok or false if we're going to have to |
| 611 | // check this at runtime (for example for class loaders). |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 612 | bool result = referrer_class->CanAccess(resolved_class); |
| 613 | if (result) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 614 | stats_->TypeDoesntNeedAccessCheck(); |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 615 | } else { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 616 | stats_->TypeNeedsAccessCheck(); |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 617 | } |
| 618 | return result; |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | bool Compiler::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 622 | const DexFile& dex_file, |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 623 | uint32_t type_idx) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 624 | ScopedObjectAccess soa(Thread::Current()); |
| 625 | DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 626 | // Get type from dex cache assuming it was populated by the verifier. |
| 627 | Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
| 628 | if (resolved_class == NULL) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 629 | stats_->TypeNeedsAccessCheck(); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 630 | return false; // Unknown class needs access checks. |
| 631 | } |
| 632 | const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); |
| 633 | Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); |
| 634 | if (referrer_class == NULL) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 635 | stats_->TypeNeedsAccessCheck(); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 636 | return false; // Incomplete referrer knowledge needs access check. |
| 637 | } |
| 638 | // Perform access and instantiable checks, will return true if access is ok or false if we're |
| 639 | // going to have to check this at runtime (for example for class loaders). |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 640 | bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); |
| 641 | if (result) { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 642 | stats_->TypeDoesntNeedAccessCheck(); |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 643 | } else { |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 644 | stats_->TypeNeedsAccessCheck(); |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 645 | } |
| 646 | return result; |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 647 | } |
| 648 | |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 649 | static Class* ComputeCompilingMethodsClass(ScopedObjectAccess& soa, |
| 650 | OatCompilationUnit* mUnit) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 651 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 652 | DexCache* dex_cache = mUnit->class_linker_->FindDexCache(*mUnit->dex_file_); |
| 653 | ClassLoader* class_loader = soa.Decode<ClassLoader*>(mUnit->class_loader_); |
| 654 | const DexFile::MethodId& referrer_method_id = mUnit->dex_file_->GetMethodId(mUnit->method_idx_); |
| 655 | return mUnit->class_linker_->ResolveType(*mUnit->dex_file_, referrer_method_id.class_idx_, |
| 656 | dex_cache, class_loader); |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 657 | } |
| 658 | |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 659 | static Field* ComputeFieldReferencedFromCompilingMethod(ScopedObjectAccess& soa, |
| 660 | OatCompilationUnit* mUnit, |
| 661 | uint32_t field_idx) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 662 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 663 | DexCache* dex_cache = mUnit->class_linker_->FindDexCache(*mUnit->dex_file_); |
| 664 | ClassLoader* class_loader = soa.Decode<ClassLoader*>(mUnit->class_loader_); |
| 665 | return mUnit->class_linker_->ResolveField(*mUnit->dex_file_, field_idx, dex_cache, |
| 666 | class_loader, false); |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 667 | } |
| 668 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 669 | static AbstractMethod* ComputeMethodReferencedFromCompilingMethod(ScopedObjectAccess& soa, |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 670 | OatCompilationUnit* mUnit, |
| 671 | uint32_t method_idx, |
| 672 | InvokeType type) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 673 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 674 | DexCache* dex_cache = mUnit->class_linker_->FindDexCache(*mUnit->dex_file_); |
| 675 | ClassLoader* class_loader = soa.Decode<ClassLoader*>(mUnit->class_loader_); |
| 676 | return mUnit->class_linker_->ResolveMethod(*mUnit->dex_file_, method_idx, dex_cache, |
jeffhao | c0228b8 | 2012-08-29 18:15:05 -0700 | [diff] [blame] | 677 | class_loader, NULL, type); |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 678 | } |
| 679 | |
Logan Chien | 4dd96f5 | 2012-02-29 01:26:58 +0800 | [diff] [blame] | 680 | bool Compiler::ComputeInstanceFieldInfo(uint32_t field_idx, OatCompilationUnit* mUnit, |
jeffhao | 8cd6dda | 2012-02-22 10:15:34 -0800 | [diff] [blame] | 681 | int& field_offset, bool& is_volatile, bool is_put) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 682 | ScopedObjectAccess soa(Thread::Current()); |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 683 | // Conservative defaults. |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 684 | field_offset = -1; |
| 685 | is_volatile = true; |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 686 | // Try to resolve field and ignore if an Incompatible Class Change Error (ie is static). |
| 687 | Field* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); |
| 688 | if (resolved_field != NULL && !resolved_field->IsStatic()) { |
| 689 | Class* referrer_class = ComputeCompilingMethodsClass(soa, mUnit); |
Ian Rogers | e2645d3 | 2012-04-11 14:42:42 -0700 | [diff] [blame] | 690 | if (referrer_class != NULL) { |
| 691 | Class* fields_class = resolved_field->GetDeclaringClass(); |
| 692 | bool access_ok = referrer_class->CanAccess(fields_class) && |
| 693 | referrer_class->CanAccessMember(fields_class, |
| 694 | resolved_field->GetAccessFlags()); |
| 695 | if (!access_ok) { |
| 696 | // The referring class can't access the resolved field, this may occur as a result of a |
| 697 | // protected field being made public by a sub-class. Resort to the dex file to determine |
| 698 | // the correct class for the access check. |
Ian Rogers | 4445a7e | 2012-10-05 17:19:13 -0700 | [diff] [blame] | 699 | const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); |
Ian Rogers | e2645d3 | 2012-04-11 14:42:42 -0700 | [diff] [blame] | 700 | Class* dex_fields_class = mUnit->class_linker_->ResolveType(dex_file, |
| 701 | dex_file.GetFieldId(field_idx).class_idx_, |
| 702 | referrer_class); |
| 703 | access_ok = referrer_class->CanAccess(dex_fields_class) && |
| 704 | referrer_class->CanAccessMember(dex_fields_class, |
| 705 | resolved_field->GetAccessFlags()); |
| 706 | } |
| 707 | bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal() && |
| 708 | fields_class != referrer_class; |
| 709 | if (access_ok && !is_write_to_final_from_wrong_class) { |
| 710 | field_offset = resolved_field->GetOffset().Int32Value(); |
| 711 | is_volatile = resolved_field->IsVolatile(); |
| 712 | stats_->ResolvedInstanceField(); |
| 713 | return true; // Fast path. |
| 714 | } |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 715 | } |
| 716 | } |
| 717 | // Clean up any exception left by field/type resolution |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 718 | if (soa.Self()->IsExceptionPending()) { |
| 719 | soa.Self()->ClearException(); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 720 | } |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 721 | stats_->UnresolvedInstanceField(); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 722 | return false; // Incomplete knowledge needs slow path. |
| 723 | } |
| 724 | |
Logan Chien | 4dd96f5 | 2012-02-29 01:26:58 +0800 | [diff] [blame] | 725 | bool Compiler::ComputeStaticFieldInfo(uint32_t field_idx, OatCompilationUnit* mUnit, |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 726 | int& field_offset, int& ssb_index, |
jeffhao | 8cd6dda | 2012-02-22 10:15:34 -0800 | [diff] [blame] | 727 | bool& is_referrers_class, bool& is_volatile, bool is_put) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 728 | ScopedObjectAccess soa(Thread::Current()); |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 729 | // Conservative defaults. |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 730 | field_offset = -1; |
| 731 | ssb_index = -1; |
| 732 | is_referrers_class = false; |
| 733 | is_volatile = true; |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 734 | // Try to resolve field and ignore if an Incompatible Class Change Error (ie isn't static). |
| 735 | Field* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); |
| 736 | if (resolved_field != NULL && resolved_field->IsStatic()) { |
| 737 | Class* referrer_class = ComputeCompilingMethodsClass(soa, mUnit); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 738 | if (referrer_class != NULL) { |
jeffhao | 8cd6dda | 2012-02-22 10:15:34 -0800 | [diff] [blame] | 739 | Class* fields_class = resolved_field->GetDeclaringClass(); |
| 740 | if (fields_class == referrer_class) { |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 741 | is_referrers_class = true; // implies no worrying about class initialization |
| 742 | field_offset = resolved_field->GetOffset().Int32Value(); |
| 743 | is_volatile = resolved_field->IsVolatile(); |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 744 | stats_->ResolvedLocalStaticField(); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 745 | return true; // fast path |
| 746 | } else { |
Ian Rogers | e2645d3 | 2012-04-11 14:42:42 -0700 | [diff] [blame] | 747 | bool access_ok = referrer_class->CanAccess(fields_class) && |
| 748 | referrer_class->CanAccessMember(fields_class, |
| 749 | resolved_field->GetAccessFlags()); |
| 750 | if (!access_ok) { |
| 751 | // The referring class can't access the resolved field, this may occur as a result of a |
| 752 | // protected field being made public by a sub-class. Resort to the dex file to determine |
| 753 | // the correct class for the access check. Don't change the field's class as that is |
| 754 | // used to identify the SSB. |
Ian Rogers | 4445a7e | 2012-10-05 17:19:13 -0700 | [diff] [blame] | 755 | const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); |
Ian Rogers | e2645d3 | 2012-04-11 14:42:42 -0700 | [diff] [blame] | 756 | Class* dex_fields_class = |
| 757 | mUnit->class_linker_->ResolveType(dex_file, |
| 758 | dex_file.GetFieldId(field_idx).class_idx_, |
| 759 | referrer_class); |
| 760 | access_ok = referrer_class->CanAccess(dex_fields_class) && |
| 761 | referrer_class->CanAccessMember(dex_fields_class, |
| 762 | resolved_field->GetAccessFlags()); |
| 763 | } |
jeffhao | 8cd6dda | 2012-02-22 10:15:34 -0800 | [diff] [blame] | 764 | bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal(); |
Ian Rogers | e2645d3 | 2012-04-11 14:42:42 -0700 | [diff] [blame] | 765 | if (access_ok && !is_write_to_final_from_wrong_class) { |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 766 | // We have the resolved field, we must make it into a ssbIndex for the referrer |
| 767 | // in its static storage base (which may fail if it doesn't have a slot for it) |
Ian Rogers | 4103ad2 | 2012-02-06 09:18:25 -0800 | [diff] [blame] | 768 | // TODO: for images we can elide the static storage base null check |
| 769 | // if we know there's a non-null entry in the image |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 770 | DexCache* dex_cache = mUnit->class_linker_->FindDexCache(*mUnit->dex_file_); |
| 771 | if (fields_class->GetDexCache() == dex_cache) { |
Ian Rogers | 4103ad2 | 2012-02-06 09:18:25 -0800 | [diff] [blame] | 772 | // common case where the dex cache of both the referrer and the field are the same, |
| 773 | // no need to search the dex file |
| 774 | ssb_index = fields_class->GetDexTypeIndex(); |
| 775 | field_offset = resolved_field->GetOffset().Int32Value(); |
| 776 | is_volatile = resolved_field->IsVolatile(); |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 777 | stats_->ResolvedStaticField(); |
Ian Rogers | 4103ad2 | 2012-02-06 09:18:25 -0800 | [diff] [blame] | 778 | return true; |
| 779 | } |
Ian Rogers | e2645d3 | 2012-04-11 14:42:42 -0700 | [diff] [blame] | 780 | // Search dex file for localized ssb index, may fail if field's class is a parent |
| 781 | // of the class mentioned in the dex file and there is no dex cache entry. |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 782 | std::string descriptor(FieldHelper(resolved_field).GetDeclaringClassDescriptor()); |
| 783 | const DexFile::StringId* string_id = |
Logan Chien | 4dd96f5 | 2012-02-29 01:26:58 +0800 | [diff] [blame] | 784 | mUnit->dex_file_->FindStringId(descriptor); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 785 | if (string_id != NULL) { |
| 786 | const DexFile::TypeId* type_id = |
Logan Chien | 4dd96f5 | 2012-02-29 01:26:58 +0800 | [diff] [blame] | 787 | mUnit->dex_file_->FindTypeId(mUnit->dex_file_->GetIndexForStringId(*string_id)); |
Elliott Hughes | b25c3f6 | 2012-03-26 16:35:06 -0700 | [diff] [blame] | 788 | if (type_id != NULL) { |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 789 | // medium path, needs check of static storage base being initialized |
Logan Chien | 4dd96f5 | 2012-02-29 01:26:58 +0800 | [diff] [blame] | 790 | ssb_index = mUnit->dex_file_->GetIndexForTypeId(*type_id); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 791 | field_offset = resolved_field->GetOffset().Int32Value(); |
| 792 | is_volatile = resolved_field->IsVolatile(); |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 793 | stats_->ResolvedStaticField(); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 794 | return true; |
| 795 | } |
| 796 | } |
| 797 | } |
| 798 | } |
| 799 | } |
| 800 | } |
| 801 | // Clean up any exception left by field/type resolution |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 802 | if (soa.Self()->IsExceptionPending()) { |
| 803 | soa.Self()->ClearException(); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 804 | } |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 805 | stats_->UnresolvedStaticField(); |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 806 | return false; // Incomplete knowledge needs slow path. |
| 807 | } |
| 808 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 809 | void Compiler::GetCodeAndMethodForDirectCall(InvokeType type, InvokeType sharp_type, AbstractMethod* method, |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 810 | uintptr_t& direct_code, uintptr_t& direct_method) { |
Ian Rogers | 137e88f | 2012-10-08 17:46:47 -0700 | [diff] [blame] | 811 | // For direct and static methods compute possible direct_code and direct_method values, ie |
| 812 | // an address for the Method* being invoked and an address of the code for that Method*. |
| 813 | // For interface calls compute a value for direct_method that is the interface method being |
| 814 | // invoked, so this can be passed to the out-of-line runtime support code. |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 815 | direct_code = 0; |
| 816 | direct_method = 0; |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 817 | if ((compiler_backend_ == kPortable) || (compiler_backend_ == kIceland)) { |
| 818 | if (sharp_type != kStatic && sharp_type != kDirect) { |
| 819 | return; |
| 820 | } |
| 821 | } else { |
| 822 | if (sharp_type != kStatic && sharp_type != kDirect && sharp_type != kInterface) { |
| 823 | return; |
| 824 | } |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 825 | } |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 826 | bool method_code_in_boot = method->GetDeclaringClass()->GetClassLoader() == NULL; |
| 827 | if (!method_code_in_boot) { |
| 828 | return; |
| 829 | } |
| 830 | bool has_clinit_trampoline = method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); |
| 831 | if (has_clinit_trampoline) { |
| 832 | return; |
| 833 | } |
Ian Rogers | c468e92 | 2012-10-10 18:11:33 -0700 | [diff] [blame] | 834 | if (sharp_type != kInterface) { // Interfaces always go via a trampoline. |
| 835 | stats_->DirectCallsToBoot(type); |
| 836 | } |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 837 | stats_->DirectMethodsToBoot(type); |
Ian Rogers | 3fa1379 | 2012-03-18 15:53:45 -0700 | [diff] [blame] | 838 | bool compiling_boot = Runtime::Current()->GetHeap()->GetSpaces().size() == 1; |
| 839 | if (compiling_boot) { |
Brian Carlstrom | 0637e27 | 2012-03-20 01:07:52 -0700 | [diff] [blame] | 840 | const bool kSupportBootImageFixup = true; |
Ian Rogers | 3fa1379 | 2012-03-18 15:53:45 -0700 | [diff] [blame] | 841 | if (kSupportBootImageFixup) { |
| 842 | MethodHelper mh(method); |
| 843 | if (IsImageClass(mh.GetDeclaringClassDescriptor())) { |
Brian Carlstrom | 0637e27 | 2012-03-20 01:07:52 -0700 | [diff] [blame] | 844 | // We can only branch directly to Methods that are resolved in the DexCache. |
| 845 | // Otherwise we won't invoke the resolution trampoline. |
Ian Rogers | 3fa1379 | 2012-03-18 15:53:45 -0700 | [diff] [blame] | 846 | direct_method = -1; |
Brian Carlstrom | 0637e27 | 2012-03-20 01:07:52 -0700 | [diff] [blame] | 847 | direct_code = -1; |
Ian Rogers | 3fa1379 | 2012-03-18 15:53:45 -0700 | [diff] [blame] | 848 | } |
Ian Rogers | 3fa1379 | 2012-03-18 15:53:45 -0700 | [diff] [blame] | 849 | } |
| 850 | } else { |
Mathieu Chartier | b062fdd | 2012-07-03 09:51:48 -0700 | [diff] [blame] | 851 | if (Runtime::Current()->GetHeap()->FindSpaceFromObject(method)->IsImageSpace()) { |
Ian Rogers | 3fa1379 | 2012-03-18 15:53:45 -0700 | [diff] [blame] | 852 | direct_method = reinterpret_cast<uintptr_t>(method); |
| 853 | } |
| 854 | direct_code = reinterpret_cast<uintptr_t>(method->GetCode()); |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 855 | } |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 856 | } |
| 857 | |
Ian Rogers | fb6adba | 2012-03-04 21:51:51 -0800 | [diff] [blame] | 858 | bool Compiler::ComputeInvokeInfo(uint32_t method_idx, OatCompilationUnit* mUnit, InvokeType& type, |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 859 | int& vtable_idx, uintptr_t& direct_code, |
| 860 | uintptr_t& direct_method) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 861 | ScopedObjectAccess soa(Thread::Current()); |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 862 | vtable_idx = -1; |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 863 | direct_code = 0; |
| 864 | direct_method = 0; |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 865 | AbstractMethod* resolved_method = |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 866 | ComputeMethodReferencedFromCompilingMethod(soa, mUnit, method_idx, type); |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 867 | if (resolved_method != NULL) { |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 868 | // Don't try to fast-path if we don't understand the caller's class or this appears to be an |
| 869 | // Incompatible Class Change Error. |
| 870 | Class* referrer_class = ComputeCompilingMethodsClass(soa, mUnit); |
| 871 | bool icce = resolved_method->CheckIncompatibleClassChange(type); |
| 872 | if (referrer_class != NULL && !icce) { |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 873 | Class* methods_class = resolved_method->GetDeclaringClass(); |
| 874 | if (!referrer_class->CanAccess(methods_class) || |
| 875 | !referrer_class->CanAccessMember(methods_class, |
Ian Rogers | 996cc58 | 2012-02-14 22:23:29 -0800 | [diff] [blame] | 876 | resolved_method->GetAccessFlags())) { |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 877 | // The referring class can't access the resolved method, this may occur as a result of a |
| 878 | // protected method being made public by implementing an interface that re-declares the |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 879 | // method public. Resort to the dex file to determine the correct class for the access |
| 880 | // check. |
Ian Rogers | 4445a7e | 2012-10-05 17:19:13 -0700 | [diff] [blame] | 881 | const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 882 | methods_class = |
Logan Chien | 4dd96f5 | 2012-02-29 01:26:58 +0800 | [diff] [blame] | 883 | mUnit->class_linker_->ResolveType(dex_file, |
| 884 | dex_file.GetMethodId(method_idx).class_idx_, |
| 885 | referrer_class); |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 886 | } |
| 887 | if (referrer_class->CanAccess(methods_class) && |
Ian Rogers | 137e88f | 2012-10-08 17:46:47 -0700 | [diff] [blame] | 888 | referrer_class->CanAccessMember(methods_class, resolved_method->GetAccessFlags())) { |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 889 | vtable_idx = resolved_method->GetMethodIndex(); |
Ian Rogers | f320b63 | 2012-03-13 18:47:47 -0700 | [diff] [blame] | 890 | const bool kEnableSharpening = true; |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 891 | // Sharpen a virtual call into a direct call when the target is known. |
| 892 | bool can_sharpen = type == kVirtual && (resolved_method->IsFinal() || |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 893 | methods_class->IsFinal()); |
| 894 | // Ensure the vtable index will be correct to dispatch in the vtable of the super class. |
jeffhao | 4155fcd | 2012-03-21 11:42:12 -0700 | [diff] [blame] | 895 | can_sharpen = can_sharpen || (type == kSuper && referrer_class != methods_class && |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 896 | referrer_class->IsSubClass(methods_class) && |
| 897 | vtable_idx < methods_class->GetVTable()->GetLength() && |
| 898 | methods_class->GetVTable()->Get(vtable_idx) == resolved_method); |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 899 | if (kEnableSharpening && can_sharpen) { |
| 900 | stats_->ResolvedMethod(type); |
Ian Rogers | fb6adba | 2012-03-04 21:51:51 -0800 | [diff] [blame] | 901 | // Sharpen a virtual call into a direct call. The method_idx is into referrer's |
| 902 | // dex cache, check that this resolved method is where we expect it. |
| 903 | CHECK(referrer_class->GetDexCache()->GetResolvedMethod(method_idx) == resolved_method) |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 904 | << PrettyMethod(resolved_method); |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 905 | stats_->VirtualMadeDirect(type); |
| 906 | GetCodeAndMethodForDirectCall(type, kDirect, resolved_method, direct_code, direct_method); |
| 907 | type = kDirect; |
| 908 | return true; |
| 909 | } else if (type == kSuper) { |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 910 | // Unsharpened super calls are suspicious so go slow-path. |
Ian Rogers | 2ed3b95 | 2012-03-17 11:49:39 -0700 | [diff] [blame] | 911 | } else { |
| 912 | stats_->ResolvedMethod(type); |
| 913 | GetCodeAndMethodForDirectCall(type, type, resolved_method, direct_code, direct_method); |
| 914 | return true; |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 915 | } |
| 916 | } |
| 917 | } |
| 918 | } |
| 919 | // Clean up any exception left by method/type resolution |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 920 | if (soa.Self()->IsExceptionPending()) { |
| 921 | soa.Self()->ClearException(); |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 922 | } |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 923 | stats_->UnresolvedMethod(type); |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 924 | return false; // Incomplete knowledge needs slow path. |
| 925 | } |
| 926 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 927 | void Compiler::AddCodePatch(const DexFile* dex_file, |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 928 | uint32_t referrer_method_idx, |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 929 | InvokeType referrer_invoke_type, |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 930 | uint32_t target_method_idx, |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 931 | InvokeType target_invoke_type, |
Ian Rogers | 3fa1379 | 2012-03-18 15:53:45 -0700 | [diff] [blame] | 932 | size_t literal_offset) { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 933 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 934 | code_to_patch_.push_back(new PatchInformation(dex_file, |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 935 | referrer_method_idx, |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 936 | referrer_invoke_type, |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 937 | target_method_idx, |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 938 | target_invoke_type, |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 939 | literal_offset)); |
Ian Rogers | 3fa1379 | 2012-03-18 15:53:45 -0700 | [diff] [blame] | 940 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 941 | void Compiler::AddMethodPatch(const DexFile* dex_file, |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 942 | uint32_t referrer_method_idx, |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 943 | InvokeType referrer_invoke_type, |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 944 | uint32_t target_method_idx, |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 945 | InvokeType target_invoke_type, |
Ian Rogers | 3fa1379 | 2012-03-18 15:53:45 -0700 | [diff] [blame] | 946 | size_t literal_offset) { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 947 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 948 | methods_to_patch_.push_back(new PatchInformation(dex_file, |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 949 | referrer_method_idx, |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 950 | referrer_invoke_type, |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 951 | target_method_idx, |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 952 | target_invoke_type, |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 953 | literal_offset)); |
Ian Rogers | 3fa1379 | 2012-03-18 15:53:45 -0700 | [diff] [blame] | 954 | } |
| 955 | |
Ian Rogers | 0399dde | 2012-06-06 17:09:28 -0700 | [diff] [blame] | 956 | class CompilationContext { |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 957 | public: |
Ian Rogers | 0399dde | 2012-06-06 17:09:28 -0700 | [diff] [blame] | 958 | CompilationContext(ClassLinker* class_linker, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 959 | jobject class_loader, |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 960 | Compiler* compiler, |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 961 | const DexFile* dex_file) |
| 962 | : class_linker_(class_linker), |
| 963 | class_loader_(class_loader), |
| 964 | compiler_(compiler), |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 965 | dex_file_(dex_file) {} |
| 966 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 967 | ClassLinker* GetClassLinker() const { |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 968 | CHECK(class_linker_ != NULL); |
| 969 | return class_linker_; |
| 970 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 971 | |
| 972 | jobject GetClassLoader() const { |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 973 | return class_loader_; |
| 974 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 975 | |
| 976 | Compiler* GetCompiler() const { |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 977 | CHECK(compiler_ != NULL); |
| 978 | return compiler_; |
| 979 | } |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 980 | |
| 981 | const DexFile* GetDexFile() const { |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 982 | CHECK(dex_file_ != NULL); |
| 983 | return dex_file_; |
| 984 | } |
| 985 | |
| 986 | private: |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 987 | ClassLinker* const class_linker_; |
| 988 | const jobject class_loader_; |
| 989 | Compiler* const compiler_; |
| 990 | const DexFile* const dex_file_; |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 991 | }; |
| 992 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 993 | typedef void Callback(const CompilationContext* context, size_t index); |
| 994 | |
| 995 | static void ForAll(CompilationContext* context, size_t begin, size_t end, Callback callback, |
| 996 | size_t thread_count); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 997 | |
| 998 | class WorkerThread { |
| 999 | public: |
Ian Rogers | 0399dde | 2012-06-06 17:09:28 -0700 | [diff] [blame] | 1000 | WorkerThread(CompilationContext* context, size_t begin, size_t end, Callback callback, size_t stripe, bool spawn) |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1001 | : spawn_(spawn), context_(context), begin_(begin), end_(end), callback_(callback), stripe_(stripe) { |
| 1002 | if (spawn_) { |
Elliott Hughes | bf1b457 | 2012-05-24 19:11:39 -0700 | [diff] [blame] | 1003 | // Mac OS stacks are only 512KiB. Make sure we have the same stack size on all platforms. |
| 1004 | pthread_attr_t attr; |
| 1005 | CHECK_PTHREAD_CALL(pthread_attr_init, (&attr), "new compiler worker thread"); |
| 1006 | CHECK_PTHREAD_CALL(pthread_attr_setstacksize, (&attr, 1*MB), "new compiler worker thread"); |
| 1007 | CHECK_PTHREAD_CALL(pthread_create, (&pthread_, &attr, &Go, this), "new compiler worker thread"); |
| 1008 | CHECK_PTHREAD_CALL(pthread_attr_destroy, (&attr), "new compiler worker thread"); |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1009 | } |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1010 | } |
| 1011 | |
| 1012 | ~WorkerThread() { |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1013 | if (spawn_) { |
| 1014 | CHECK_PTHREAD_CALL(pthread_join, (pthread_, NULL), "compiler worker shutdown"); |
| 1015 | } |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1016 | } |
| 1017 | |
| 1018 | private: |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1019 | static void* Go(void* arg) LOCKS_EXCLUDED(Locks::mutator_lock_) { |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1020 | WorkerThread* worker = reinterpret_cast<WorkerThread*>(arg); |
| 1021 | Runtime* runtime = Runtime::Current(); |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1022 | if (worker->spawn_) { |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 1023 | CHECK(runtime->AttachCurrentThread("Compiler Worker", true, NULL)); |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1024 | } |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1025 | worker->Run(); |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1026 | if (worker->spawn_) { |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1027 | runtime->DetachCurrentThread(); |
| 1028 | } |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1029 | return NULL; |
| 1030 | } |
| 1031 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1032 | void Go() LOCKS_EXCLUDED(Locks::mutator_lock_) { |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1033 | Go(this); |
| 1034 | } |
| 1035 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1036 | void Run() LOCKS_EXCLUDED(Locks::mutator_lock_) { |
Brian Carlstrom | 64277f3 | 2012-03-26 23:53:34 -0700 | [diff] [blame] | 1037 | Thread* self = Thread::Current(); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1038 | for (size_t i = begin_; i < end_; i += stripe_) { |
| 1039 | callback_(context_, i); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1040 | self->AssertNoPendingException(); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1041 | } |
| 1042 | } |
| 1043 | |
| 1044 | pthread_t pthread_; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1045 | // Was this thread spawned or is it the main thread? |
| 1046 | const bool spawn_; |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1047 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1048 | const CompilationContext* const context_; |
| 1049 | const size_t begin_; |
| 1050 | const size_t end_; |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 1051 | Callback* callback_; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1052 | const size_t stripe_; |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1053 | |
Ian Rogers | 0399dde | 2012-06-06 17:09:28 -0700 | [diff] [blame] | 1054 | friend void ForAll(CompilationContext*, size_t, size_t, Callback, size_t); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1055 | }; |
| 1056 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1057 | static void ForAll(CompilationContext* context, size_t begin, size_t end, Callback callback, |
| 1058 | size_t thread_count) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1059 | LOCKS_EXCLUDED(Locks::mutator_lock_) { |
Brian Carlstrom | 64277f3 | 2012-03-26 23:53:34 -0700 | [diff] [blame] | 1060 | Thread* self = Thread::Current(); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1061 | self->AssertNoPendingException(); |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1062 | CHECK_GT(thread_count, 0U); |
Elliott Hughes | 81d9151 | 2012-02-03 16:38:43 -0800 | [diff] [blame] | 1063 | |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1064 | std::vector<WorkerThread*> threads; |
Elliott Hughes | 81d9151 | 2012-02-03 16:38:43 -0800 | [diff] [blame] | 1065 | for (size_t i = 0; i < thread_count; ++i) { |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1066 | threads.push_back(new WorkerThread(context, begin + i, end, callback, thread_count, (i != 0))); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1067 | } |
Elliott Hughes | 1e40925 | 2012-02-06 11:21:27 -0800 | [diff] [blame] | 1068 | threads[0]->Go(); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1069 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1070 | // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker |
| 1071 | // thread destructor's called below perform join). |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1072 | CHECK_NE(self->GetState(), kRunnable); |
Elliott Hughes | 81d9151 | 2012-02-03 16:38:43 -0800 | [diff] [blame] | 1073 | STLDeleteElements(&threads); |
| 1074 | } |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1075 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1076 | // Return true if the class should be skipped during compilation. We |
| 1077 | // never skip classes in the boot class loader. However, if we have a |
| 1078 | // non-boot class loader and we can resolve the class in the boot |
| 1079 | // class loader, we do skip the class. This happens if an app bundles |
| 1080 | // classes found in the boot classpath. Since at runtime we will |
| 1081 | // select the class from the boot classpath, do not attempt to resolve |
| 1082 | // or compile it now. |
| 1083 | static bool SkipClass(ClassLoader* class_loader, |
| 1084 | const DexFile& dex_file, |
| 1085 | const DexFile::ClassDef& class_def) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1086 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1087 | if (class_loader == NULL) { |
| 1088 | return false; |
| 1089 | } |
| 1090 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 1091 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 1092 | Class* klass = class_linker->FindClass(descriptor, NULL); |
| 1093 | if (klass == NULL) { |
| 1094 | Thread* self = Thread::Current(); |
| 1095 | CHECK(self->IsExceptionPending()); |
| 1096 | self->ClearException(); |
| 1097 | return false; |
| 1098 | } |
| 1099 | return true; |
| 1100 | } |
| 1101 | |
| 1102 | static void ResolveClassFieldsAndMethods(const CompilationContext* context, size_t class_def_index) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1103 | LOCKS_EXCLUDED(Locks::mutator_lock_) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1104 | ScopedObjectAccess soa(Thread::Current()); |
| 1105 | ClassLoader* class_loader = soa.Decode<ClassLoader*>(context->GetClassLoader()); |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 1106 | const DexFile& dex_file = *context->GetDexFile(); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1107 | |
| 1108 | // Method and Field are the worst. We can't resolve without either |
| 1109 | // context from the code use (to disambiguate virtual vs direct |
| 1110 | // method and instance vs static field) or from class |
| 1111 | // definitions. While the compiler will resolve what it can as it |
| 1112 | // needs it, here we try to resolve fields and methods used in class |
| 1113 | // definitions, since many of them many never be referenced by |
| 1114 | // generated code. |
| 1115 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1116 | if (SkipClass(class_loader, dex_file, class_def)) { |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1117 | return; |
| 1118 | } |
| 1119 | |
| 1120 | // Note the class_data pointer advances through the headers, |
| 1121 | // static fields, instance fields, direct methods, and virtual |
| 1122 | // methods. |
| 1123 | const byte* class_data = dex_file.GetClassData(class_def); |
| 1124 | if (class_data == NULL) { |
| 1125 | // empty class such as a marker interface |
| 1126 | return; |
| 1127 | } |
Brian Carlstrom | 5ead095 | 2011-11-28 22:55:52 -0800 | [diff] [blame] | 1128 | Thread* self = Thread::Current(); |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 1129 | ClassLinker* class_linker = context->GetClassLinker(); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1130 | DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
| 1131 | ClassDataItemIterator it(dex_file, class_data); |
| 1132 | while (it.HasNextStaticField()) { |
| 1133 | Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1134 | class_loader, true); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1135 | if (field == NULL) { |
| 1136 | CHECK(self->IsExceptionPending()); |
| 1137 | self->ClearException(); |
| 1138 | } |
| 1139 | it.Next(); |
| 1140 | } |
| 1141 | while (it.HasNextInstanceField()) { |
| 1142 | Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1143 | class_loader, false); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1144 | if (field == NULL) { |
| 1145 | CHECK(self->IsExceptionPending()); |
| 1146 | self->ClearException(); |
| 1147 | } |
| 1148 | it.Next(); |
| 1149 | } |
| 1150 | while (it.HasNextDirectMethod()) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1151 | AbstractMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), dex_cache, |
jeffhao | c0228b8 | 2012-08-29 18:15:05 -0700 | [diff] [blame] | 1152 | class_loader, NULL, it.GetMethodInvokeType(class_def)); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1153 | if (method == NULL) { |
| 1154 | CHECK(self->IsExceptionPending()); |
| 1155 | self->ClearException(); |
| 1156 | } |
| 1157 | it.Next(); |
| 1158 | } |
| 1159 | while (it.HasNextVirtualMethod()) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1160 | AbstractMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), dex_cache, |
jeffhao | c0228b8 | 2012-08-29 18:15:05 -0700 | [diff] [blame] | 1161 | class_loader, NULL, it.GetMethodInvokeType(class_def)); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1162 | if (method == NULL) { |
| 1163 | CHECK(self->IsExceptionPending()); |
| 1164 | self->ClearException(); |
| 1165 | } |
| 1166 | it.Next(); |
| 1167 | } |
| 1168 | DCHECK(!it.HasNext()); |
| 1169 | } |
| 1170 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1171 | static void ResolveType(const CompilationContext* context, size_t type_idx) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1172 | LOCKS_EXCLUDED(Locks::mutator_lock_) { |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1173 | // Class derived values are more complicated, they require the linker and loader. |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1174 | ScopedObjectAccess soa(Thread::Current()); |
| 1175 | ClassLinker* class_linker = context->GetClassLinker(); |
| 1176 | const DexFile& dex_file = *context->GetDexFile(); |
| 1177 | DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
| 1178 | ClassLoader* class_loader = soa.Decode<ClassLoader*>(context->GetClassLoader()); |
| 1179 | Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); |
| 1180 | |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1181 | if (klass == NULL) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1182 | CHECK(soa.Self()->IsExceptionPending()); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1183 | Thread::Current()->ClearException(); |
| 1184 | } |
| 1185 | } |
| 1186 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1187 | void Compiler::ResolveDexFile(jobject class_loader, const DexFile& dex_file, |
| 1188 | TimingLogger& timings) { |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1189 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 1190 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1191 | // TODO: we could resolve strings here, although the string table is largely filled with class |
| 1192 | // and method names. |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1193 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1194 | CompilationContext context(class_linker, class_loader, this, &dex_file); |
| 1195 | ForAll(&context, 0, dex_file.NumTypeIds(), ResolveType, thread_count_); |
Elliott Hughes | ff73806 | 2012-02-03 15:00:42 -0800 | [diff] [blame] | 1196 | timings.AddSplit("Resolve " + dex_file.GetLocation() + " Types"); |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 1197 | |
Elliott Hughes | 5523ee0 | 2012-02-03 18:18:34 -0800 | [diff] [blame] | 1198 | ForAll(&context, 0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); |
Elliott Hughes | ff73806 | 2012-02-03 15:00:42 -0800 | [diff] [blame] | 1199 | timings.AddSplit("Resolve " + dex_file.GetLocation() + " MethodsAndFields"); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1200 | } |
| 1201 | |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1202 | void Compiler::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, |
| 1203 | TimingLogger& timings) { |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 1204 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 1205 | const DexFile* dex_file = dex_files[i]; |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 1206 | CHECK(dex_file != NULL); |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1207 | VerifyDexFile(class_loader, *dex_file, timings); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 1208 | } |
| 1209 | } |
| 1210 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1211 | static void VerifyClass(const CompilationContext* context, size_t class_def_index) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1212 | LOCKS_EXCLUDED(Locks::mutator_lock_) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1213 | ScopedObjectAccess soa(Thread::Current()); |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 1214 | const DexFile::ClassDef& class_def = context->GetDexFile()->GetClassDef(class_def_index); |
| 1215 | const char* descriptor = context->GetDexFile()->GetClassDescriptor(class_def); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1216 | Class* klass = |
| 1217 | context->GetClassLinker()->FindClass(descriptor, |
| 1218 | soa.Decode<ClassLoader*>(context->GetClassLoader())); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1219 | if (klass == NULL) { |
| 1220 | Thread* self = Thread::Current(); |
| 1221 | CHECK(self->IsExceptionPending()); |
| 1222 | self->ClearException(); |
jeffhao | f56197c | 2012-03-05 18:01:54 -0800 | [diff] [blame] | 1223 | |
| 1224 | /* |
| 1225 | * At compile time, we can still structurally verify the class even if FindClass fails. |
| 1226 | * This is to ensure the class is structurally sound for compilation. An unsound class |
| 1227 | * will be rejected by the verifier and later skipped during compilation in the compiler. |
| 1228 | */ |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1229 | DexCache* dex_cache = context->GetClassLinker()->FindDexCache(*context->GetDexFile()); |
jeffhao | f56197c | 2012-03-05 18:01:54 -0800 | [diff] [blame] | 1230 | std::string error_msg; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1231 | if (verifier::MethodVerifier::VerifyClass(context->GetDexFile(), |
| 1232 | dex_cache, |
| 1233 | soa.Decode<ClassLoader*>(context->GetClassLoader()), |
| 1234 | class_def_index, error_msg) == |
| 1235 | verifier::MethodVerifier::kHardFailure) { |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 1236 | const DexFile::ClassDef& class_def = context->GetDexFile()->GetClassDef(class_def_index); |
jeffhao | f56197c | 2012-03-05 18:01:54 -0800 | [diff] [blame] | 1237 | LOG(ERROR) << "Verification failed on class " |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 1238 | << PrettyDescriptor(context->GetDexFile()->GetClassDescriptor(class_def)) |
jeffhao | f56197c | 2012-03-05 18:01:54 -0800 | [diff] [blame] | 1239 | << " because: " << error_msg; |
| 1240 | } |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1241 | return; |
| 1242 | } |
| 1243 | CHECK(klass->IsResolved()) << PrettyClass(klass); |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 1244 | context->GetClassLinker()->VerifyClass(klass); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1245 | |
| 1246 | if (klass->IsErroneous()) { |
| 1247 | // ClassLinker::VerifyClass throws, which isn't useful in the compiler. |
| 1248 | CHECK(Thread::Current()->IsExceptionPending()); |
| 1249 | Thread::Current()->ClearException(); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1250 | } |
| 1251 | |
Ian Rogers | 9ffb039 | 2012-09-10 11:56:50 -0700 | [diff] [blame] | 1252 | CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) |
| 1253 | << PrettyDescriptor(klass) << ": state=" << klass->GetStatus(); |
Elliott Hughes | d9c67be | 2012-02-02 19:54:06 -0800 | [diff] [blame] | 1254 | CHECK(!Thread::Current()->IsExceptionPending()) << PrettyTypeOf(Thread::Current()->GetException()); |
| 1255 | } |
| 1256 | |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1257 | void Compiler::VerifyDexFile(jobject class_loader, const DexFile& dex_file, TimingLogger& timings) { |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 1258 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1259 | CompilationContext context(class_linker, class_loader, this, &dex_file); |
Elliott Hughes | 5523ee0 | 2012-02-03 18:18:34 -0800 | [diff] [blame] | 1260 | ForAll(&context, 0, dex_file.NumClassDefs(), VerifyClass, thread_count_); |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1261 | timings.AddSplit("Verify " + dex_file.GetLocation()); |
| 1262 | } |
Elliott Hughes | d9cdfe9 | 2011-10-06 16:09:04 -0700 | [diff] [blame] | 1263 | |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1264 | static void InitializeClassWithoutClinit(const CompilationContext* context, |
| 1265 | size_t class_def_index) |
| 1266 | LOCKS_EXCLUDED(Locks::mutator_lock_) { |
| 1267 | const DexFile::ClassDef& class_def = context->GetDexFile()->GetClassDef(class_def_index); |
| 1268 | ScopedObjectAccess soa(Thread::Current()); |
| 1269 | ClassLoader* class_loader = soa.Decode<ClassLoader*>(context->GetClassLoader()); |
| 1270 | const char* descriptor = context->GetDexFile()->GetClassDescriptor(class_def); |
| 1271 | Class* klass = context->GetClassLinker()->FindClass(descriptor, class_loader); |
Ian Rogers | 1f53934 | 2012-10-03 21:09:42 -0700 | [diff] [blame] | 1272 | Thread* self = Thread::Current(); |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1273 | if (klass != NULL) { |
Ian Rogers | 1f53934 | 2012-10-03 21:09:42 -0700 | [diff] [blame] | 1274 | ObjectLock lock(self, klass); |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1275 | if (klass->IsVerified()) { |
| 1276 | // Only try to initialize classes that were successfully verified. |
| 1277 | bool compiling_boot = Runtime::Current()->GetHeap()->GetSpaces().size() == 1; |
| 1278 | bool can_init_static_fields = compiling_boot && |
| 1279 | context->GetCompiler()->IsImageClass(descriptor); |
| 1280 | context->GetClassLinker()->EnsureInitialized(klass, false, can_init_static_fields); |
| 1281 | // If successfully initialized place in SSB array. |
| 1282 | if (klass->IsInitialized()) { |
| 1283 | klass->GetDexCache()->GetInitializedStaticStorage()->Set(klass->GetDexTypeIndex(), klass); |
| 1284 | } |
| 1285 | } |
| 1286 | // Record the final class status if necessary. |
| 1287 | Class::Status status = klass->GetStatus(); |
| 1288 | Compiler::ClassReference ref(context->GetDexFile(), class_def_index); |
| 1289 | CompiledClass* compiled_class = context->GetCompiler()->GetCompiledClass(ref); |
| 1290 | if (compiled_class == NULL) { |
| 1291 | compiled_class = new CompiledClass(status); |
| 1292 | context->GetCompiler()->RecordClassStatus(ref, compiled_class); |
| 1293 | } else { |
| 1294 | DCHECK_EQ(status, compiled_class->GetStatus()); |
| 1295 | } |
| 1296 | } |
Ian Rogers | 1f53934 | 2012-10-03 21:09:42 -0700 | [diff] [blame] | 1297 | // Clear any class not found or verification exceptions. |
| 1298 | self->ClearException(); |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1299 | } |
| 1300 | |
| 1301 | void Compiler::InitializeClassesWithoutClinit(jobject jni_class_loader, const DexFile& dex_file, |
| 1302 | TimingLogger& timings) { |
| 1303 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 1304 | CompilationContext context(class_linker, jni_class_loader, this, &dex_file); |
| 1305 | ForAll(&context, 0, dex_file.NumClassDefs(), InitializeClassWithoutClinit, thread_count_); |
| 1306 | timings.AddSplit("InitializeNoClinit " + dex_file.GetLocation()); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 1307 | } |
| 1308 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1309 | void Compiler::InitializeClassesWithoutClinit(jobject class_loader, |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1310 | const std::vector<const DexFile*>& dex_files, |
| 1311 | TimingLogger& timings) { |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 1312 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 1313 | const DexFile* dex_file = dex_files[i]; |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 1314 | CHECK(dex_file != NULL); |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1315 | InitializeClassesWithoutClinit(class_loader, *dex_file, timings); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 1316 | } |
| 1317 | } |
| 1318 | |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1319 | void Compiler::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, |
| 1320 | TimingLogger& timings) { |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 1321 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 1322 | const DexFile* dex_file = dex_files[i]; |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 1323 | CHECK(dex_file != NULL); |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1324 | CompileDexFile(class_loader, *dex_file, timings); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 1325 | } |
| 1326 | } |
| 1327 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1328 | void Compiler::CompileClass(const CompilationContext* context, size_t class_def_index) { |
| 1329 | jobject class_loader = context->GetClassLoader(); |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 1330 | const DexFile& dex_file = *context->GetDexFile(); |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 1331 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1332 | { |
| 1333 | ScopedObjectAccess soa(Thread::Current()); |
| 1334 | ClassLoader* class_loader = soa.Decode<ClassLoader*>(context->GetClassLoader()); |
| 1335 | if (SkipClass(class_loader, dex_file, class_def)) { |
| 1336 | return; |
| 1337 | } |
Brian Carlstrom | 5ead095 | 2011-11-28 22:55:52 -0800 | [diff] [blame] | 1338 | } |
jeffhao | d1224c7 | 2012-02-29 13:43:08 -0800 | [diff] [blame] | 1339 | ClassReference ref(&dex_file, class_def_index); |
| 1340 | // Skip compiling classes with generic verifier failures since they will still fail at runtime |
Ian Rogers | 776ac1f | 2012-04-13 23:36:36 -0700 | [diff] [blame] | 1341 | if (verifier::MethodVerifier::IsClassRejected(ref)) { |
jeffhao | d1224c7 | 2012-02-29 13:43:08 -0800 | [diff] [blame] | 1342 | return; |
| 1343 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1344 | const byte* class_data = dex_file.GetClassData(class_def); |
| 1345 | if (class_data == NULL) { |
| 1346 | // empty class, probably a marker interface |
| 1347 | return; |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1348 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1349 | ClassDataItemIterator it(dex_file, class_data); |
| 1350 | // Skip fields |
| 1351 | while (it.HasNextStaticField()) { |
| 1352 | it.Next(); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1353 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1354 | while (it.HasNextInstanceField()) { |
| 1355 | it.Next(); |
| 1356 | } |
| 1357 | // Compile direct methods |
Brian Carlstrom | 68adbe4 | 2012-05-11 17:18:08 -0700 | [diff] [blame] | 1358 | int64_t previous_direct_method_idx = -1; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1359 | while (it.HasNextDirectMethod()) { |
Brian Carlstrom | 6f29d0e | 2012-05-11 15:50:29 -0700 | [diff] [blame] | 1360 | uint32_t method_idx = it.GetMemberIndex(); |
| 1361 | if (method_idx == previous_direct_method_idx) { |
| 1362 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 1363 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 1364 | it.Next(); |
| 1365 | continue; |
| 1366 | } |
| 1367 | previous_direct_method_idx = method_idx; |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 1368 | context->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1369 | it.GetMethodInvokeType(class_def), method_idx, |
| 1370 | class_loader, dex_file); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1371 | it.Next(); |
| 1372 | } |
| 1373 | // Compile virtual methods |
Brian Carlstrom | 68adbe4 | 2012-05-11 17:18:08 -0700 | [diff] [blame] | 1374 | int64_t previous_virtual_method_idx = -1; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1375 | while (it.HasNextVirtualMethod()) { |
Brian Carlstrom | 6f29d0e | 2012-05-11 15:50:29 -0700 | [diff] [blame] | 1376 | uint32_t method_idx = it.GetMemberIndex(); |
| 1377 | if (method_idx == previous_virtual_method_idx) { |
| 1378 | // smali can create dex files with two encoded_methods sharing the same method_idx |
| 1379 | // http://code.google.com/p/smali/issues/detail?id=119 |
| 1380 | it.Next(); |
| 1381 | continue; |
| 1382 | } |
| 1383 | previous_virtual_method_idx = method_idx; |
Brian Carlstrom | 731b2ab | 2012-03-06 16:53:35 -0800 | [diff] [blame] | 1384 | context->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1385 | it.GetMethodInvokeType(class_def), method_idx, |
| 1386 | class_loader, dex_file); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1387 | it.Next(); |
| 1388 | } |
| 1389 | DCHECK(!it.HasNext()); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1390 | } |
| 1391 | |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1392 | void Compiler::CompileDexFile(jobject class_loader, const DexFile& dex_file, |
| 1393 | TimingLogger& timings) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1394 | CompilationContext context(NULL, class_loader, this, &dex_file); |
Elliott Hughes | 5523ee0 | 2012-02-03 18:18:34 -0800 | [diff] [blame] | 1395 | ForAll(&context, 0, dex_file.NumClassDefs(), Compiler::CompileClass, thread_count_); |
Ian Rogers | 3d1548d | 2012-09-24 14:08:03 -0700 | [diff] [blame] | 1396 | timings.AddSplit("Compile " + dex_file.GetLocation()); |
Elliott Hughes | c225caa | 2012-02-03 15:43:37 -0800 | [diff] [blame] | 1397 | } |
| 1398 | |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 1399 | static std::string MakeInvokeStubKey(bool is_static, const char* shorty) { |
| 1400 | std::string key(shorty); |
| 1401 | if (is_static) { |
| 1402 | key += "$"; // Must not be a shorty type character. |
| 1403 | } |
| 1404 | return key; |
| 1405 | } |
| 1406 | |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 1407 | void Compiler::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1408 | InvokeType invoke_type, uint32_t method_idx, jobject class_loader, |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 1409 | const DexFile& dex_file) { |
Elliott Hughes | f09afe8 | 2011-10-16 14:24:21 -0700 | [diff] [blame] | 1410 | CompiledMethod* compiled_method = NULL; |
Elliott Hughes | bb551fa | 2012-01-25 16:35:29 -0800 | [diff] [blame] | 1411 | uint64_t start_ns = NanoTime(); |
Logan Chien | 4dd96f5 | 2012-02-29 01:26:58 +0800 | [diff] [blame] | 1412 | |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 1413 | if ((access_flags & kAccNative) != 0) { |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 1414 | compiled_method = (*jni_compiler_)(*this, access_flags, method_idx, dex_file); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 1415 | CHECK(compiled_method != NULL); |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 1416 | } else if ((access_flags & kAccAbstract) != 0) { |
Brian Carlstrom | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 1417 | } else { |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1418 | compiled_method = (*compiler_)(*this, code_item, access_flags, invoke_type, method_idx, |
| 1419 | class_loader, dex_file); |
Elliott Hughes | bb551fa | 2012-01-25 16:35:29 -0800 | [diff] [blame] | 1420 | CHECK(compiled_method != NULL) << PrettyMethod(method_idx, dex_file); |
| 1421 | } |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 1422 | uint64_t duration_ns = NanoTime() - start_ns; |
buzbee | 5abfa3e | 2012-01-31 17:01:43 -0800 | [diff] [blame] | 1423 | if (duration_ns > MsToNs(100)) { |
Elliott Hughes | bb551fa | 2012-01-25 16:35:29 -0800 | [diff] [blame] | 1424 | LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 1425 | << " took " << PrettyDuration(duration_ns); |
Elliott Hughes | f09afe8 | 2011-10-16 14:24:21 -0700 | [diff] [blame] | 1426 | } |
| 1427 | |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1428 | Thread* self = Thread::Current(); |
Elliott Hughes | f09afe8 | 2011-10-16 14:24:21 -0700 | [diff] [blame] | 1429 | if (compiled_method != NULL) { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1430 | MethodReference ref(&dex_file, method_idx); |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 1431 | CHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1432 | { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1433 | MutexLock mu(self, compiled_methods_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1434 | compiled_methods_.Put(ref, compiled_method); |
| 1435 | } |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 1436 | DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); |
Brian Carlstrom | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 1437 | } |
Brian Carlstrom | 9baa4ae | 2011-09-01 21:14:14 -0700 | [diff] [blame] | 1438 | |
Ian Rogers | 45619fc | 2012-02-29 11:15:25 -0800 | [diff] [blame] | 1439 | uint32_t shorty_len; |
| 1440 | const char* shorty = dex_file.GetMethodShorty(dex_file.GetMethodId(method_idx), &shorty_len); |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 1441 | bool is_static = (access_flags & kAccStatic) != 0; |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 1442 | std::string key(MakeInvokeStubKey(is_static, shorty)); |
| 1443 | const CompiledInvokeStub* compiled_invoke_stub = FindInvokeStub(key); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1444 | if (compiled_invoke_stub == NULL) { |
Shih-wei Liao | c4c9881 | 2012-03-10 21:55:51 -0800 | [diff] [blame] | 1445 | compiled_invoke_stub = (*create_invoke_stub_)(*this, is_static, shorty, shorty_len); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1446 | CHECK(compiled_invoke_stub != NULL); |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 1447 | InsertInvokeStub(key, compiled_invoke_stub); |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 1448 | } |
Logan Chien | 7a2a23a | 2012-06-06 11:01:00 +0800 | [diff] [blame] | 1449 | |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 1450 | if (((compiler_backend_ == kPortable) || (compiler_backend_ == kIceland)) && !is_static) { |
Logan Chien | 7a2a23a | 2012-06-06 11:01:00 +0800 | [diff] [blame] | 1451 | const CompiledInvokeStub* compiled_proxy_stub = FindProxyStub(shorty); |
| 1452 | if (compiled_proxy_stub == NULL) { |
| 1453 | compiled_proxy_stub = (*create_proxy_stub_)(*this, shorty, shorty_len); |
| 1454 | CHECK(compiled_proxy_stub != NULL); |
| 1455 | InsertProxyStub(shorty, compiled_proxy_stub); |
| 1456 | } |
| 1457 | } |
Logan Chien | 7a2a23a | 2012-06-06 11:01:00 +0800 | [diff] [blame] | 1458 | |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1459 | if (self->IsExceptionPending()) { |
| 1460 | ScopedObjectAccess soa(self); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1461 | LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1462 | << self->GetException()->Dump(); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1463 | } |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 1464 | } |
| 1465 | |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 1466 | const CompiledInvokeStub* Compiler::FindInvokeStub(bool is_static, const char* shorty) const { |
| 1467 | const std::string key(MakeInvokeStubKey(is_static, shorty)); |
| 1468 | return FindInvokeStub(key); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 1469 | } |
| 1470 | |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 1471 | const CompiledInvokeStub* Compiler::FindInvokeStub(const std::string& key) const { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1472 | MutexLock mu(Thread::Current(), compiled_invoke_stubs_lock_); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1473 | InvokeStubTable::const_iterator it = compiled_invoke_stubs_.find(key); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 1474 | if (it == compiled_invoke_stubs_.end()) { |
| 1475 | return NULL; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1476 | } else { |
| 1477 | DCHECK(it->second != NULL); |
| 1478 | return it->second; |
| 1479 | } |
| 1480 | } |
| 1481 | |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 1482 | void Compiler::InsertInvokeStub(const std::string& key, |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1483 | const CompiledInvokeStub* compiled_invoke_stub) { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1484 | MutexLock mu(Thread::Current(), compiled_invoke_stubs_lock_); |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 1485 | InvokeStubTable::iterator it = compiled_invoke_stubs_.find(key); |
| 1486 | if (it != compiled_invoke_stubs_.end()) { |
| 1487 | // Someone else won the race. |
| 1488 | delete compiled_invoke_stub; |
| 1489 | } else { |
| 1490 | compiled_invoke_stubs_.Put(key, compiled_invoke_stub); |
| 1491 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1492 | } |
| 1493 | |
Logan Chien | 7a2a23a | 2012-06-06 11:01:00 +0800 | [diff] [blame] | 1494 | const CompiledInvokeStub* Compiler::FindProxyStub(const char* shorty) const { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1495 | MutexLock mu(Thread::Current(), compiled_proxy_stubs_lock_); |
Logan Chien | 7a2a23a | 2012-06-06 11:01:00 +0800 | [diff] [blame] | 1496 | ProxyStubTable::const_iterator it = compiled_proxy_stubs_.find(shorty); |
| 1497 | if (it == compiled_proxy_stubs_.end()) { |
| 1498 | return NULL; |
| 1499 | } else { |
| 1500 | DCHECK(it->second != NULL); |
| 1501 | return it->second; |
| 1502 | } |
| 1503 | } |
| 1504 | |
| 1505 | void Compiler::InsertProxyStub(const char* shorty, |
| 1506 | const CompiledInvokeStub* compiled_proxy_stub) { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1507 | MutexLock mu(Thread::Current(), compiled_proxy_stubs_lock_); |
Logan Chien | 7a2a23a | 2012-06-06 11:01:00 +0800 | [diff] [blame] | 1508 | InvokeStubTable::iterator it = compiled_proxy_stubs_.find(shorty); |
| 1509 | if (it != compiled_proxy_stubs_.end()) { |
| 1510 | // Someone else won the race. |
| 1511 | delete compiled_proxy_stub; |
| 1512 | } else { |
| 1513 | compiled_proxy_stubs_.Put(shorty, compiled_proxy_stub); |
| 1514 | } |
| 1515 | } |
Logan Chien | 7a2a23a | 2012-06-06 11:01:00 +0800 | [diff] [blame] | 1516 | |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 1517 | CompiledClass* Compiler::GetCompiledClass(ClassReference ref) const { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1518 | MutexLock mu(Thread::Current(), compiled_classes_lock_); |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 1519 | ClassTable::const_iterator it = compiled_classes_.find(ref); |
| 1520 | if (it == compiled_classes_.end()) { |
| 1521 | return NULL; |
| 1522 | } |
| 1523 | CHECK(it->second != NULL); |
| 1524 | return it->second; |
| 1525 | } |
| 1526 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1527 | CompiledMethod* Compiler::GetCompiledMethod(MethodReference ref) const { |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 1528 | MutexLock mu(Thread::Current(), compiled_methods_lock_); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1529 | MethodTable::const_iterator it = compiled_methods_.find(ref); |
| 1530 | if (it == compiled_methods_.end()) { |
| 1531 | return NULL; |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 1532 | } |
| 1533 | CHECK(it->second != NULL); |
| 1534 | return it->second; |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1535 | } |
| 1536 | |
Logan Chien | 8b977d3 | 2012-02-21 19:14:55 +0800 | [diff] [blame] | 1537 | void Compiler::SetBitcodeFileName(std::string const& filename) { |
Logan Chien | 106b2a0 | 2012-03-18 04:41:38 +0800 | [diff] [blame] | 1538 | typedef void (*SetBitcodeFileNameFn)(Compiler&, std::string const&); |
| 1539 | |
| 1540 | SetBitcodeFileNameFn set_bitcode_file_name = |
buzbee | c531cef | 2012-10-18 07:09:20 -0700 | [diff] [blame] | 1541 | FindFunction<SetBitcodeFileNameFn>(MakeCompilerSoName(compiler_backend_, instruction_set_), |
Logan Chien | 106b2a0 | 2012-03-18 04:41:38 +0800 | [diff] [blame] | 1542 | compiler_library_, |
| 1543 | "compilerLLVMSetBitcodeFileName"); |
| 1544 | |
| 1545 | set_bitcode_file_name(*this, filename); |
Logan Chien | 8b977d3 | 2012-02-21 19:14:55 +0800 | [diff] [blame] | 1546 | } |
Logan Chien | f7015fd | 2012-03-18 01:19:37 +0800 | [diff] [blame] | 1547 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1548 | } // namespace art |