Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1 | // Copyright 2011 Google Inc. All Rights Reserved. |
| 2 | |
| 3 | #include "compiler.h" |
| 4 | |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 5 | #include <sys/mman.h> |
| 6 | |
Brian Carlstrom | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 7 | #include "assembler.h" |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 8 | #include "class_linker.h" |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 9 | #include "class_loader.h" |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 10 | #include "dex_cache.h" |
Brian Carlstrom | e7d856b | 2012-01-11 18:10:55 -0800 | [diff] [blame] | 11 | #include "dex_verifier.h" |
Brian Carlstrom | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 12 | #include "jni_compiler.h" |
Brian Carlstrom | 9baa4ae | 2011-09-01 21:14:14 -0700 | [diff] [blame] | 13 | #include "jni_internal.h" |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 14 | #include "oat_file.h" |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 15 | #include "object_utils.h" |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 16 | #include "runtime.h" |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 17 | #include "stl_util.h" |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 18 | |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 19 | art::CompiledMethod* oatCompileMethod(const art::Compiler& compiler, |
| 20 | const art::DexFile::CodeItem* code_item, |
| 21 | uint32_t access_flags, uint32_t method_idx, |
| 22 | const art::ClassLoader* class_loader, |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 23 | const art::DexFile& dex_file, art::InstructionSet); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 24 | |
| 25 | namespace art { |
| 26 | |
Shih-wei Liao | c486c11 | 2011-09-13 16:43:52 -0700 | [diff] [blame] | 27 | namespace arm { |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 28 | ByteArray* CreateAbstractMethodErrorStub(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 29 | CompiledInvokeStub* ArmCreateInvokeStub(bool is_static, const char* shorty); |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 30 | ByteArray* ArmCreateResolutionTrampoline(Runtime::TrampolineType type); |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame^] | 31 | ByteArray* CreateJniDlsymLookupStub(); |
Shih-wei Liao | c486c11 | 2011-09-13 16:43:52 -0700 | [diff] [blame] | 32 | } |
Shih-wei Liao | c486c11 | 2011-09-13 16:43:52 -0700 | [diff] [blame] | 33 | namespace x86 { |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 34 | ByteArray* CreateAbstractMethodErrorStub(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 35 | CompiledInvokeStub* X86CreateInvokeStub(bool is_static, const char* shorty); |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 36 | ByteArray* X86CreateResolutionTrampoline(Runtime::TrampolineType type); |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame^] | 37 | ByteArray* CreateJniDlsymLookupStub(); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 38 | } |
| 39 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 40 | Compiler::Compiler(InstructionSet instruction_set, |
| 41 | bool image, |
| 42 | const std::set<std::string>* image_classes) |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 43 | : instruction_set_(instruction_set), |
| 44 | jni_compiler_(instruction_set), |
| 45 | image_(image), |
Elliott Hughes | 4dd9b4d | 2011-12-12 18:29:24 -0800 | [diff] [blame] | 46 | image_classes_(image_classes) { |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 47 | CHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 48 | if (!image_) { |
| 49 | CHECK(image_classes_ == NULL); |
| 50 | } |
Shih-wei Liao | c486c11 | 2011-09-13 16:43:52 -0700 | [diff] [blame] | 51 | } |
| 52 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 53 | Compiler::~Compiler() { |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 54 | STLDeleteValues(&compiled_classes_); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 55 | STLDeleteValues(&compiled_methods_); |
| 56 | STLDeleteValues(&compiled_invoke_stubs_); |
| 57 | } |
| 58 | |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 59 | ByteArray* Compiler::CreateResolutionStub(InstructionSet instruction_set, |
| 60 | Runtime::TrampolineType type) { |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 61 | if (instruction_set == kX86) { |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 62 | return x86::X86CreateResolutionTrampoline(type); |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 63 | } else { |
| 64 | CHECK(instruction_set == kArm || instruction_set == kThumb2); |
| 65 | // Generates resolution stub using ARM instruction set |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 66 | return arm::ArmCreateResolutionTrampoline(type); |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 67 | } |
| 68 | } |
| 69 | |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame^] | 70 | ByteArray* Compiler::CreateJniDlsymLookupStub(InstructionSet instruction_set) { |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 71 | switch (instruction_set) { |
| 72 | case kArm: |
| 73 | case kThumb2: |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame^] | 74 | return arm::CreateJniDlsymLookupStub(); |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 75 | case kX86: |
Elliott Hughes | 8add92d | 2012-01-18 18:18:43 -0800 | [diff] [blame^] | 76 | return x86::CreateJniDlsymLookupStub(); |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 77 | default: |
| 78 | LOG(FATAL) << "Unknown InstructionSet " << (int) instruction_set; |
| 79 | return NULL; |
| 80 | } |
| 81 | } |
| 82 | |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 83 | ByteArray* Compiler::CreateAbstractMethodErrorStub(InstructionSet instruction_set) { |
| 84 | if (instruction_set == kX86) { |
| 85 | return x86::CreateAbstractMethodErrorStub(); |
| 86 | } else { |
| 87 | CHECK(instruction_set == kArm || instruction_set == kThumb2); |
| 88 | // Generates resolution stub using ARM instruction set |
| 89 | return arm::CreateAbstractMethodErrorStub(); |
| 90 | } |
| 91 | } |
| 92 | |
Jesse Wilson | 254db0f | 2011-11-16 16:44:11 -0500 | [diff] [blame] | 93 | void Compiler::CompileAll(const ClassLoader* class_loader, |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 94 | const std::vector<const DexFile*>& dex_files) { |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 95 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 96 | |
| 97 | PreCompile(class_loader, dex_files); |
| 98 | Compile(class_loader, dex_files); |
| 99 | PostCompile(class_loader, dex_files); |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 100 | } |
| 101 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 102 | void Compiler::CompileOne(const Method* method) { |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 103 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 104 | |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 105 | const ClassLoader* class_loader = method->GetDeclaringClass()->GetClassLoader(); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 106 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 107 | // Find the dex_file |
| 108 | const DexCache* dex_cache = method->GetDeclaringClass()->GetDexCache(); |
| 109 | const DexFile& dex_file = Runtime::Current()->GetClassLinker()->FindDexFile(dex_cache); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 110 | std::vector<const DexFile*> dex_files; |
| 111 | dex_files.push_back(&dex_file); |
| 112 | |
| 113 | PreCompile(class_loader, dex_files); |
| 114 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 115 | uint32_t method_idx = method->GetDexMethodIndex(); |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 116 | const DexFile::CodeItem* code_item = dex_file.GetCodeItem(method->GetCodeItemOffset()); |
| 117 | CompileMethod(code_item, method->GetAccessFlags(), method_idx, class_loader, dex_file); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 118 | |
| 119 | PostCompile(class_loader, dex_files); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 120 | } |
| 121 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 122 | void Compiler::Resolve(const ClassLoader* class_loader, |
| 123 | const std::vector<const DexFile*>& dex_files) { |
| 124 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 125 | const DexFile* dex_file = dex_files[i]; |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 126 | CHECK(dex_file != NULL); |
| 127 | ResolveDexFile(class_loader, *dex_file); |
| 128 | } |
| 129 | } |
| 130 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 131 | void Compiler::PreCompile(const ClassLoader* class_loader, |
| 132 | const std::vector<const DexFile*>& dex_files) { |
| 133 | Resolve(class_loader, dex_files); |
| 134 | Verify(class_loader, dex_files); |
| 135 | InitializeClassesWithoutClinit(class_loader, dex_files); |
| 136 | } |
| 137 | |
| 138 | void Compiler::PostCompile(const ClassLoader* class_loader, |
| 139 | const std::vector<const DexFile*>& dex_files) { |
Brian Carlstrom | e7d856b | 2012-01-11 18:10:55 -0800 | [diff] [blame] | 140 | SetGcMaps(class_loader, dex_files); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 141 | SetCodeAndDirectMethods(dex_files); |
| 142 | } |
| 143 | |
| 144 | bool Compiler::IsImageClass(const std::string& descriptor) const { |
| 145 | if (image_classes_ == NULL) { |
| 146 | return true; |
| 147 | } |
| 148 | return image_classes_->find(descriptor) != image_classes_->end(); |
| 149 | } |
| 150 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 151 | bool Compiler::CanAssumeTypeIsPresentInDexCache(const DexCache* dex_cache, |
| 152 | uint32_t type_idx) const { |
| 153 | if (!IsImage()) { |
| 154 | return false; |
| 155 | } |
| 156 | Class* resolved_class = dex_cache->GetResolvedTypes()->Get(type_idx); |
| 157 | if (resolved_class == NULL) { |
| 158 | return false; |
| 159 | } |
| 160 | return IsImageClass(ClassHelper(resolved_class).GetDescriptor()); |
| 161 | } |
| 162 | |
Brian Carlstrom | 5ead095 | 2011-11-28 22:55:52 -0800 | [diff] [blame] | 163 | // Return true if the class should be skipped during compilation. We |
| 164 | // never skip classes in the boot class loader. However, if we have a |
| 165 | // non-boot class loader and we can resolve the class in the boot |
| 166 | // class loader, we do skip the class. This happens if an app bundles |
| 167 | // classes found in the boot classpath. Since at runtime we will |
| 168 | // select the class from the boot classpath, do not attempt to resolve |
| 169 | // or compile it now. |
| 170 | static bool SkipClass(const ClassLoader* class_loader, |
| 171 | const DexFile& dex_file, |
| 172 | const DexFile::ClassDef& class_def) { |
| 173 | if (class_loader == NULL) { |
| 174 | return false; |
| 175 | } |
| 176 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 177 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 178 | Class* klass = class_linker->FindClass(descriptor, NULL); |
| 179 | if (klass == NULL) { |
| 180 | Thread* self = Thread::Current(); |
| 181 | CHECK(self->IsExceptionPending()); |
| 182 | self->ClearException(); |
| 183 | return false; |
| 184 | } |
| 185 | return true; |
| 186 | } |
| 187 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 188 | void Compiler::ResolveDexFile(const ClassLoader* class_loader, const DexFile& dex_file) { |
Brian Carlstrom | 5ead095 | 2011-11-28 22:55:52 -0800 | [diff] [blame] | 189 | Thread* self = Thread::Current(); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 190 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 191 | DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 192 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 193 | // Strings are easy in that they always are simply resolved to literals in the same file |
| 194 | if (image_ && image_classes_ == NULL) { |
| 195 | // TODO: Add support for loading strings referenced by image_classes_ |
| 196 | // See also Compiler::CanAssumeTypeIsPresentInDexCache. |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 197 | for (size_t string_idx = 0; string_idx < dex_cache->NumStrings(); string_idx++) { |
| 198 | class_linker->ResolveString(dex_file, string_idx, dex_cache); |
| 199 | } |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 200 | } |
| 201 | |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 202 | // Class derived values are more complicated, they require the linker and loader. |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 203 | for (size_t type_idx = 0; type_idx < dex_cache->NumResolvedTypes(); type_idx++) { |
| 204 | Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 205 | if (klass == NULL) { |
Brian Carlstrom | 5ead095 | 2011-11-28 22:55:52 -0800 | [diff] [blame] | 206 | CHECK(self->IsExceptionPending()); |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 207 | Thread::Current()->ClearException(); |
| 208 | } |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 209 | } |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 210 | |
| 211 | // Method and Field are the worst. We can't resolve without either |
| 212 | // context from the code use (to disambiguate virtual vs direct |
| 213 | // method and instance vs static field) or from class |
| 214 | // definitions. While the compiler will resolve what it can as it |
| 215 | // needs it, here we try to resolve fields and methods used in class |
| 216 | // definitions, since many of them many never be referenced by |
| 217 | // generated code. |
| 218 | for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); class_def_index++) { |
| 219 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
Brian Carlstrom | 5ead095 | 2011-11-28 22:55:52 -0800 | [diff] [blame] | 220 | if (SkipClass(class_loader, dex_file, class_def)) { |
| 221 | continue; |
| 222 | } |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 223 | |
| 224 | // Note the class_data pointer advances through the headers, |
| 225 | // static fields, instance fields, direct methods, and virtual |
| 226 | // methods. |
| 227 | const byte* class_data = dex_file.GetClassData(class_def); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 228 | if (class_data == NULL) { |
| 229 | // empty class such as a marker interface |
| 230 | continue; |
Brian Carlstrom | 20cfffa | 2011-08-26 02:31:27 -0700 | [diff] [blame] | 231 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 232 | ClassDataItemIterator it(dex_file, class_data); |
| 233 | while (it.HasNextStaticField()) { |
| 234 | Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, |
| 235 | class_loader, true); |
| 236 | if (field == NULL) { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 237 | CHECK(self->IsExceptionPending()); |
| 238 | self->ClearException(); |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 239 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 240 | it.Next(); |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 241 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 242 | while (it.HasNextInstanceField()) { |
| 243 | Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, |
| 244 | class_loader, false); |
| 245 | if (field == NULL) { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 246 | CHECK(self->IsExceptionPending()); |
| 247 | self->ClearException(); |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 248 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 249 | it.Next(); |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 250 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 251 | while (it.HasNextDirectMethod()) { |
| 252 | Method* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), dex_cache, |
| 253 | class_loader, true); |
| 254 | if (method == NULL) { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 255 | CHECK(self->IsExceptionPending()); |
| 256 | self->ClearException(); |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 257 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 258 | it.Next(); |
Brian Carlstrom | 20cfffa | 2011-08-26 02:31:27 -0700 | [diff] [blame] | 259 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 260 | while (it.HasNextVirtualMethod()) { |
| 261 | Method* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), dex_cache, |
| 262 | class_loader, false); |
| 263 | if (method == NULL) { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 264 | CHECK(self->IsExceptionPending()); |
| 265 | self->ClearException(); |
| 266 | } |
| 267 | it.Next(); |
| 268 | } |
| 269 | DCHECK(!it.HasNext()); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 270 | } |
| 271 | } |
| 272 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 273 | void Compiler::Verify(const ClassLoader* class_loader, |
| 274 | const std::vector<const DexFile*>& dex_files) { |
| 275 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 276 | const DexFile* dex_file = dex_files[i]; |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 277 | CHECK(dex_file != NULL); |
| 278 | VerifyDexFile(class_loader, *dex_file); |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | void Compiler::VerifyDexFile(const ClassLoader* class_loader, const DexFile& dex_file) { |
jeffhao | b4df514 | 2011-09-19 20:25:32 -0700 | [diff] [blame] | 283 | dex_file.ChangePermissions(PROT_READ | PROT_WRITE); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 284 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 285 | for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); class_def_index++) { |
| 286 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 287 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 288 | Class* klass = class_linker->FindClass(descriptor, class_loader); |
Brian Carlstrom | 65ca077 | 2011-09-24 16:03:08 -0700 | [diff] [blame] | 289 | if (klass == NULL) { |
| 290 | Thread* self = Thread::Current(); |
| 291 | CHECK(self->IsExceptionPending()); |
| 292 | self->ClearException(); |
| 293 | continue; |
| 294 | } |
| 295 | CHECK(klass->IsResolved()) << PrettyClass(klass); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 296 | class_linker->VerifyClass(klass); |
Elliott Hughes | d9cdfe9 | 2011-10-06 16:09:04 -0700 | [diff] [blame] | 297 | |
| 298 | if (klass->IsErroneous()) { |
| 299 | // ClassLinker::VerifyClass throws, which isn't useful in the compiler. |
| 300 | CHECK(Thread::Current()->IsExceptionPending()); |
| 301 | Thread::Current()->ClearException(); |
| 302 | // We want to try verification again at run-time, so move back into the resolved state. |
| 303 | klass->SetStatus(Class::kStatusResolved); |
| 304 | } |
| 305 | |
jeffhao | 5cfd6fb | 2011-09-27 13:54:29 -0700 | [diff] [blame] | 306 | CHECK(klass->IsVerified() || klass->IsResolved()) << PrettyClass(klass); |
| 307 | CHECK(!Thread::Current()->IsExceptionPending()) << PrettyTypeOf(Thread::Current()->GetException()); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 308 | } |
jeffhao | b4df514 | 2011-09-19 20:25:32 -0700 | [diff] [blame] | 309 | dex_file.ChangePermissions(PROT_READ); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 310 | } |
| 311 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 312 | void Compiler::InitializeClassesWithoutClinit(const ClassLoader* class_loader, |
| 313 | const std::vector<const DexFile*>& dex_files) { |
| 314 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 315 | const DexFile* dex_file = dex_files[i]; |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 316 | CHECK(dex_file != NULL); |
| 317 | InitializeClassesWithoutClinit(class_loader, *dex_file); |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | void Compiler::InitializeClassesWithoutClinit(const ClassLoader* class_loader, const DexFile& dex_file) { |
| 322 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 323 | for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); class_def_index++) { |
| 324 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 325 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 326 | Class* klass = class_linker->FindClass(descriptor, class_loader); |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 327 | if (klass != NULL) { |
| 328 | class_linker->EnsureInitialized(klass, false); |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 329 | // record the final class status if necessary |
| 330 | Class::Status status = klass->GetStatus(); |
| 331 | ClassReference ref(&dex_file, class_def_index); |
| 332 | CompiledClass* compiled_class = GetCompiledClass(ref); |
| 333 | if (compiled_class == NULL) { |
| 334 | compiled_class = new CompiledClass(status); |
| 335 | compiled_classes_[ref] = compiled_class; |
| 336 | } else { |
| 337 | DCHECK_EQ(status, compiled_class->GetStatus()); |
| 338 | } |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 339 | } |
| 340 | // clear any class not found or verification exceptions |
| 341 | Thread::Current()->ClearException(); |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 342 | |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 343 | } |
| 344 | |
| 345 | DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
| 346 | for (size_t type_idx = 0; type_idx < dex_cache->NumResolvedTypes(); type_idx++) { |
| 347 | Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 348 | if (klass == NULL) { |
| 349 | Thread::Current()->ClearException(); |
| 350 | } else if (klass->IsInitialized()) { |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 351 | dex_cache->GetInitializedStaticStorage()->Set(type_idx, klass); |
| 352 | } |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 353 | } |
| 354 | } |
| 355 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 356 | void Compiler::Compile(const ClassLoader* class_loader, |
| 357 | const std::vector<const DexFile*>& dex_files) { |
| 358 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 359 | const DexFile* dex_file = dex_files[i]; |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 360 | CHECK(dex_file != NULL); |
| 361 | CompileDexFile(class_loader, *dex_file); |
| 362 | } |
| 363 | } |
| 364 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 365 | void Compiler::CompileDexFile(const ClassLoader* class_loader, const DexFile& dex_file) { |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 366 | for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); class_def_index++) { |
| 367 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 368 | CompileClass(class_def, class_loader, dex_file); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 369 | } |
| 370 | } |
| 371 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 372 | void Compiler::CompileClass(const DexFile::ClassDef& class_def, const ClassLoader* class_loader, |
| 373 | const DexFile& dex_file) { |
Brian Carlstrom | 5ead095 | 2011-11-28 22:55:52 -0800 | [diff] [blame] | 374 | if (SkipClass(class_loader, dex_file, class_def)) { |
| 375 | return; |
| 376 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 377 | const byte* class_data = dex_file.GetClassData(class_def); |
| 378 | if (class_data == NULL) { |
| 379 | // empty class, probably a marker interface |
| 380 | return; |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 381 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 382 | ClassDataItemIterator it(dex_file, class_data); |
| 383 | // Skip fields |
| 384 | while (it.HasNextStaticField()) { |
| 385 | it.Next(); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 386 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 387 | while (it.HasNextInstanceField()) { |
| 388 | it.Next(); |
| 389 | } |
| 390 | // Compile direct methods |
| 391 | while (it.HasNextDirectMethod()) { |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 392 | CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), it.GetMemberIndex(), |
| 393 | class_loader, dex_file); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 394 | it.Next(); |
| 395 | } |
| 396 | // Compile virtual methods |
| 397 | while (it.HasNextVirtualMethod()) { |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 398 | CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), it.GetMemberIndex(), |
| 399 | class_loader, dex_file); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 400 | it.Next(); |
| 401 | } |
| 402 | DCHECK(!it.HasNext()); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 403 | } |
| 404 | |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 405 | void Compiler::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, |
| 406 | uint32_t method_idx, const ClassLoader* class_loader, |
| 407 | const DexFile& dex_file) { |
Elliott Hughes | f09afe8 | 2011-10-16 14:24:21 -0700 | [diff] [blame] | 408 | CompiledMethod* compiled_method = NULL; |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 409 | if ((access_flags & kAccNative) != 0) { |
| 410 | compiled_method = jni_compiler_.Compile(access_flags, method_idx, class_loader, dex_file); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 411 | CHECK(compiled_method != NULL); |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 412 | } else if ((access_flags & kAccAbstract) != 0) { |
Brian Carlstrom | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 413 | } else { |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 414 | compiled_method = oatCompileMethod(*this, code_item, access_flags, method_idx, class_loader, |
| 415 | dex_file, kThumb2); |
| 416 | CHECK(compiled_method != NULL); |
Elliott Hughes | f09afe8 | 2011-10-16 14:24:21 -0700 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | if (compiled_method != NULL) { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 420 | MethodReference ref(&dex_file, method_idx); |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 421 | CHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 422 | compiled_methods_[ref] = compiled_method; |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 423 | DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); |
Brian Carlstrom | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 424 | } |
Brian Carlstrom | 9baa4ae | 2011-09-01 21:14:14 -0700 | [diff] [blame] | 425 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 426 | const char* shorty = dex_file.GetMethodShorty(dex_file.GetMethodId(method_idx)); |
Ian Rogers | 169c9a7 | 2011-11-13 20:13:17 -0800 | [diff] [blame] | 427 | bool is_static = (access_flags & kAccStatic) != 0; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 428 | const CompiledInvokeStub* compiled_invoke_stub = FindInvokeStub(is_static, shorty); |
| 429 | if (compiled_invoke_stub == NULL) { |
| 430 | if (instruction_set_ == kX86) { |
| 431 | compiled_invoke_stub = art::x86::X86CreateInvokeStub(is_static, shorty); |
| 432 | } else { |
| 433 | CHECK(instruction_set_ == kArm || instruction_set_ == kThumb2); |
| 434 | // Generates invocation stub using ARM instruction set |
| 435 | compiled_invoke_stub = art::arm::ArmCreateInvokeStub(is_static, shorty); |
| 436 | } |
| 437 | CHECK(compiled_invoke_stub != NULL); |
| 438 | InsertInvokeStub(is_static, shorty, compiled_invoke_stub); |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 439 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 440 | CHECK(!Thread::Current()->IsExceptionPending()) << PrettyMethod(method_idx, dex_file); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 441 | } |
| 442 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 443 | static std::string MakeInvokeStubKey(bool is_static, const char* shorty) { |
| 444 | std::string key(shorty); |
| 445 | if (is_static) { |
| 446 | key += "$"; // musn't be a shorty type character |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 447 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 448 | return key; |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 449 | } |
| 450 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 451 | const CompiledInvokeStub* Compiler::FindInvokeStub(bool is_static, const char* shorty) const { |
Elliott Hughes | 9557241 | 2011-12-13 18:14:20 -0800 | [diff] [blame] | 452 | const std::string key(MakeInvokeStubKey(is_static, shorty)); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 453 | InvokeStubTable::const_iterator it = compiled_invoke_stubs_.find(key); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 454 | if (it == compiled_invoke_stubs_.end()) { |
| 455 | return NULL; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 456 | } else { |
| 457 | DCHECK(it->second != NULL); |
| 458 | return it->second; |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | void Compiler::InsertInvokeStub(bool is_static, const char* shorty, |
| 463 | const CompiledInvokeStub* compiled_invoke_stub) { |
Elliott Hughes | 9557241 | 2011-12-13 18:14:20 -0800 | [diff] [blame] | 464 | std::string key(MakeInvokeStubKey(is_static, shorty)); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 465 | compiled_invoke_stubs_[key] = compiled_invoke_stub; |
| 466 | } |
| 467 | |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 468 | CompiledClass* Compiler::GetCompiledClass(ClassReference ref) const { |
| 469 | ClassTable::const_iterator it = compiled_classes_.find(ref); |
| 470 | if (it == compiled_classes_.end()) { |
| 471 | return NULL; |
| 472 | } |
| 473 | CHECK(it->second != NULL); |
| 474 | return it->second; |
| 475 | } |
| 476 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 477 | CompiledMethod* Compiler::GetCompiledMethod(MethodReference ref) const { |
| 478 | MethodTable::const_iterator it = compiled_methods_.find(ref); |
| 479 | if (it == compiled_methods_.end()) { |
| 480 | return NULL; |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 481 | } |
| 482 | CHECK(it->second != NULL); |
| 483 | return it->second; |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 484 | } |
| 485 | |
Brian Carlstrom | e7d856b | 2012-01-11 18:10:55 -0800 | [diff] [blame] | 486 | void Compiler::SetGcMaps(const ClassLoader* class_loader, const std::vector<const DexFile*>& dex_files) { |
| 487 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 488 | const DexFile* dex_file = dex_files[i]; |
| 489 | CHECK(dex_file != NULL); |
| 490 | SetGcMapsDexFile(class_loader, *dex_file); |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | void Compiler::SetGcMapsDexFile(const ClassLoader* class_loader, const DexFile& dex_file) { |
| 495 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 496 | DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
| 497 | for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); class_def_index++) { |
| 498 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 499 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 500 | Class* klass = class_linker->FindClass(descriptor, class_loader); |
| 501 | if (klass == NULL || !klass->IsVerified()) { |
| 502 | Thread::Current()->ClearException(); |
| 503 | continue; |
| 504 | } |
| 505 | const byte* class_data = dex_file.GetClassData(class_def); |
| 506 | if (class_data == NULL) { |
| 507 | // empty class such as a marker interface |
| 508 | continue; |
| 509 | } |
| 510 | ClassDataItemIterator it(dex_file, class_data); |
| 511 | while (it.HasNextStaticField()) { |
| 512 | it.Next(); |
| 513 | } |
| 514 | while (it.HasNextInstanceField()) { |
| 515 | it.Next(); |
| 516 | } |
| 517 | while (it.HasNextDirectMethod()) { |
| 518 | Method* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), dex_cache, |
| 519 | class_loader, true); |
| 520 | SetGcMapsMethod(dex_file, method); |
| 521 | it.Next(); |
| 522 | } |
| 523 | while (it.HasNextVirtualMethod()) { |
| 524 | Method* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), dex_cache, |
| 525 | class_loader, false); |
| 526 | SetGcMapsMethod(dex_file, method); |
| 527 | it.Next(); |
| 528 | } |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | void Compiler::SetGcMapsMethod(const DexFile& dex_file, Method* method) { |
| 533 | if (method == NULL) { |
| 534 | Thread::Current()->ClearException(); |
| 535 | return; |
| 536 | } |
| 537 | uint16_t method_idx = method->GetDexMethodIndex(); |
| 538 | MethodReference ref(&dex_file, method_idx); |
| 539 | CompiledMethod* compiled_method = GetCompiledMethod(ref); |
| 540 | if (compiled_method == NULL) { |
| 541 | return; |
| 542 | } |
| 543 | const std::vector<uint8_t>* gc_map = verifier::DexVerifier::GetGcMap(ref); |
| 544 | if (gc_map == NULL) { |
| 545 | return; |
| 546 | } |
| 547 | compiled_method->SetGcMap(*gc_map); |
| 548 | } |
| 549 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 550 | void Compiler::SetCodeAndDirectMethods(const std::vector<const DexFile*>& dex_files) { |
| 551 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 552 | const DexFile* dex_file = dex_files[i]; |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 553 | CHECK(dex_file != NULL); |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 554 | SetCodeAndDirectMethodsDexFile(*dex_file); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 555 | } |
| 556 | } |
| 557 | |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 558 | void Compiler::SetCodeAndDirectMethodsDexFile(const DexFile& dex_file) { |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 559 | Runtime* runtime = Runtime::Current(); |
| 560 | ClassLinker* class_linker = runtime->GetClassLinker(); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 561 | DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 562 | CodeAndDirectMethods* code_and_direct_methods = dex_cache->GetCodeAndDirectMethods(); |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 563 | for (size_t i = 0; i < dex_cache->NumResolvedMethods(); i++) { |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 564 | Method* method = dex_cache->GetResolvedMethod(i); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 565 | if (method == NULL || method->IsDirect()) { |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 566 | Runtime::TrampolineType type = Runtime::GetTrampolineType(method); |
| 567 | ByteArray* res_trampoline = runtime->GetResolutionStubArray(type); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 568 | code_and_direct_methods->SetResolvedDirectMethodTrampoline(i, res_trampoline); |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 569 | } else { |
| 570 | // TODO: we currently leave the entry blank for resolved |
| 571 | // non-direct methods. we could put in an error stub. |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 572 | } |
| 573 | } |
| 574 | } |
| 575 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 576 | } // namespace art |