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 | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 11 | #include "jni_compiler.h" |
Brian Carlstrom | 9baa4ae | 2011-09-01 21:14:14 -0700 | [diff] [blame] | 12 | #include "jni_internal.h" |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 13 | #include "oat_file.h" |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 14 | #include "runtime.h" |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 15 | #include "stl_util.h" |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 16 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 17 | extern art::CompiledMethod* oatCompileMethod(const art::Compiler& compiler, |
| 18 | const art::Method*, |
| 19 | art::InstructionSet); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 20 | |
| 21 | namespace art { |
| 22 | |
Shih-wei Liao | c486c11 | 2011-09-13 16:43:52 -0700 | [diff] [blame] | 23 | namespace arm { |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 24 | ByteArray* CreateAbstractMethodErrorStub(); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 25 | CompiledInvokeStub* ArmCreateInvokeStub(const Method* method); |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 26 | ByteArray* ArmCreateResolutionTrampoline(Runtime::TrampolineType type); |
Shih-wei Liao | c486c11 | 2011-09-13 16:43:52 -0700 | [diff] [blame] | 27 | } |
Shih-wei Liao | c486c11 | 2011-09-13 16:43:52 -0700 | [diff] [blame] | 28 | namespace x86 { |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 29 | ByteArray* CreateAbstractMethodErrorStub(); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 30 | CompiledInvokeStub* X86CreateInvokeStub(const Method* method); |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 31 | ByteArray* X86CreateResolutionTrampoline(Runtime::TrampolineType type); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 32 | } |
| 33 | |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 34 | Compiler::Compiler(InstructionSet instruction_set, bool image) |
| 35 | : instruction_set_(instruction_set), |
| 36 | jni_compiler_(instruction_set), |
| 37 | image_(image), |
| 38 | verbose_(false) { |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 39 | CHECK(!Runtime::Current()->IsStarted()); |
Shih-wei Liao | c486c11 | 2011-09-13 16:43:52 -0700 | [diff] [blame] | 40 | } |
| 41 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 42 | Compiler::~Compiler() { |
| 43 | STLDeleteValues(&compiled_methods_); |
| 44 | STLDeleteValues(&compiled_invoke_stubs_); |
| 45 | } |
| 46 | |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 47 | ByteArray* Compiler::CreateResolutionStub(InstructionSet instruction_set, |
| 48 | Runtime::TrampolineType type) { |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 49 | if (instruction_set == kX86) { |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 50 | return x86::X86CreateResolutionTrampoline(type); |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 51 | } else { |
| 52 | CHECK(instruction_set == kArm || instruction_set == kThumb2); |
| 53 | // Generates resolution stub using ARM instruction set |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 54 | return arm::ArmCreateResolutionTrampoline(type); |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 55 | } |
| 56 | } |
| 57 | |
| 58 | ByteArray* Compiler::CreateAbstractMethodErrorStub(InstructionSet instruction_set) { |
| 59 | if (instruction_set == kX86) { |
| 60 | return x86::CreateAbstractMethodErrorStub(); |
| 61 | } else { |
| 62 | CHECK(instruction_set == kArm || instruction_set == kThumb2); |
| 63 | // Generates resolution stub using ARM instruction set |
| 64 | return arm::CreateAbstractMethodErrorStub(); |
| 65 | } |
| 66 | } |
| 67 | |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 68 | void Compiler::CompileAll(const ClassLoader* class_loader) { |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 69 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 70 | Resolve(class_loader); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 71 | Verify(class_loader); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 72 | InitializeClassesWithoutClinit(class_loader); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 73 | Compile(class_loader); |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 74 | SetCodeAndDirectMethods(class_loader); |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 75 | } |
| 76 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 77 | void Compiler::CompileOne(const Method* method) { |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 78 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 79 | const ClassLoader* class_loader = method->GetDeclaringClass()->GetClassLoader(); |
| 80 | Resolve(class_loader); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 81 | Verify(class_loader); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 82 | InitializeClassesWithoutClinit(class_loader); |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 83 | CompileMethod(method); |
| 84 | SetCodeAndDirectMethods(class_loader); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | void Compiler::Resolve(const ClassLoader* class_loader) { |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 88 | const std::vector<const DexFile*>& class_path |
| 89 | = ClassLoader::GetCompileTimeClassPath(class_loader); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 90 | for (size_t i = 0; i != class_path.size(); ++i) { |
| 91 | const DexFile* dex_file = class_path[i]; |
| 92 | CHECK(dex_file != NULL); |
| 93 | ResolveDexFile(class_loader, *dex_file); |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | void Compiler::ResolveDexFile(const ClassLoader* class_loader, const DexFile& dex_file) { |
| 98 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 99 | DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 100 | |
| 101 | // Strings are easy, they always are simply resolved to literals in the same file |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 102 | if (IsImage()) { // Only resolve when we'll have an image, so compiler won't choose fast path |
| 103 | for (size_t string_idx = 0; string_idx < dex_cache->NumStrings(); string_idx++) { |
| 104 | class_linker->ResolveString(dex_file, string_idx, dex_cache); |
| 105 | } |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 106 | } |
| 107 | |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 108 | // Class derived values are more complicated, they require the linker and loader. |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 109 | for (size_t type_idx = 0; type_idx < dex_cache->NumResolvedTypes(); type_idx++) { |
| 110 | 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] | 111 | if (klass == NULL) { |
| 112 | Thread::Current()->ClearException(); |
| 113 | } |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 114 | } |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 115 | |
| 116 | // Method and Field are the worst. We can't resolve without either |
| 117 | // context from the code use (to disambiguate virtual vs direct |
| 118 | // method and instance vs static field) or from class |
| 119 | // definitions. While the compiler will resolve what it can as it |
| 120 | // needs it, here we try to resolve fields and methods used in class |
| 121 | // definitions, since many of them many never be referenced by |
| 122 | // generated code. |
| 123 | for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); class_def_index++) { |
| 124 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| 125 | |
| 126 | // Note the class_data pointer advances through the headers, |
| 127 | // static fields, instance fields, direct methods, and virtual |
| 128 | // methods. |
| 129 | const byte* class_data = dex_file.GetClassData(class_def); |
| 130 | |
| 131 | DexFile::ClassDataHeader header = dex_file.ReadClassDataHeader(&class_data); |
| 132 | size_t num_static_fields = header.static_fields_size_; |
| 133 | size_t num_instance_fields = header.instance_fields_size_; |
| 134 | size_t num_direct_methods = header.direct_methods_size_; |
| 135 | size_t num_virtual_methods = header.virtual_methods_size_; |
| 136 | |
| 137 | if (num_static_fields != 0) { |
| 138 | uint32_t last_idx = 0; |
| 139 | for (size_t i = 0; i < num_static_fields; ++i) { |
| 140 | DexFile::Field dex_field; |
| 141 | dex_file.dexReadClassDataField(&class_data, &dex_field, &last_idx); |
Brian Carlstrom | 65ca077 | 2011-09-24 16:03:08 -0700 | [diff] [blame] | 142 | Field* field = class_linker->ResolveField(dex_file, dex_field.field_idx_, dex_cache, |
| 143 | class_loader, true); |
| 144 | if (field == NULL) { |
| 145 | Thread* self = Thread::Current(); |
| 146 | CHECK(self->IsExceptionPending()); |
| 147 | self->ClearException(); |
| 148 | } |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 149 | } |
Brian Carlstrom | 20cfffa | 2011-08-26 02:31:27 -0700 | [diff] [blame] | 150 | } |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 151 | if (num_instance_fields != 0) { |
| 152 | uint32_t last_idx = 0; |
| 153 | for (size_t i = 0; i < num_instance_fields; ++i) { |
| 154 | DexFile::Field dex_field; |
| 155 | dex_file.dexReadClassDataField(&class_data, &dex_field, &last_idx); |
Brian Carlstrom | 65ca077 | 2011-09-24 16:03:08 -0700 | [diff] [blame] | 156 | Field* field = class_linker->ResolveField(dex_file, dex_field.field_idx_, dex_cache, |
| 157 | class_loader, false); |
| 158 | if (field == NULL) { |
| 159 | Thread* self = Thread::Current(); |
| 160 | CHECK(self->IsExceptionPending()); |
| 161 | self->ClearException(); |
| 162 | } |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 163 | } |
| 164 | } |
| 165 | if (num_direct_methods != 0) { |
| 166 | uint32_t last_idx = 0; |
| 167 | for (size_t i = 0; i < num_direct_methods; ++i) { |
| 168 | DexFile::Method dex_method; |
| 169 | dex_file.dexReadClassDataMethod(&class_data, &dex_method, &last_idx); |
Brian Carlstrom | 65ca077 | 2011-09-24 16:03:08 -0700 | [diff] [blame] | 170 | Method* method = class_linker->ResolveMethod(dex_file, dex_method.method_idx_, dex_cache, |
| 171 | class_loader, true); |
| 172 | if (method == NULL) { |
| 173 | Thread* self = Thread::Current(); |
| 174 | CHECK(self->IsExceptionPending()); |
| 175 | self->ClearException(); |
| 176 | } |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 177 | } |
| 178 | } |
| 179 | if (num_virtual_methods != 0) { |
| 180 | uint32_t last_idx = 0; |
| 181 | for (size_t i = 0; i < num_virtual_methods; ++i) { |
| 182 | DexFile::Method dex_method; |
| 183 | dex_file.dexReadClassDataMethod(&class_data, &dex_method, &last_idx); |
Brian Carlstrom | 65ca077 | 2011-09-24 16:03:08 -0700 | [diff] [blame] | 184 | Method* method = class_linker->ResolveMethod(dex_file, dex_method.method_idx_, dex_cache, |
| 185 | class_loader, false); |
| 186 | if (method == NULL) { |
| 187 | Thread* self = Thread::Current(); |
| 188 | CHECK(self->IsExceptionPending()); |
| 189 | self->ClearException(); |
| 190 | } |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 191 | } |
Brian Carlstrom | 20cfffa | 2011-08-26 02:31:27 -0700 | [diff] [blame] | 192 | } |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 193 | } |
| 194 | } |
| 195 | |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 196 | void Compiler::Verify(const ClassLoader* class_loader) { |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 197 | const std::vector<const DexFile*>& class_path |
| 198 | = ClassLoader::GetCompileTimeClassPath(class_loader); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 199 | for (size_t i = 0; i != class_path.size(); ++i) { |
| 200 | const DexFile* dex_file = class_path[i]; |
| 201 | CHECK(dex_file != NULL); |
| 202 | VerifyDexFile(class_loader, *dex_file); |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | void Compiler::VerifyDexFile(const ClassLoader* class_loader, const DexFile& dex_file) { |
jeffhao | b4df514 | 2011-09-19 20:25:32 -0700 | [diff] [blame] | 207 | dex_file.ChangePermissions(PROT_READ | PROT_WRITE); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 208 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 209 | for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); class_def_index++) { |
| 210 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 211 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 212 | Class* klass = class_linker->FindClass(descriptor, class_loader); |
Brian Carlstrom | 65ca077 | 2011-09-24 16:03:08 -0700 | [diff] [blame] | 213 | if (klass == NULL) { |
| 214 | Thread* self = Thread::Current(); |
| 215 | CHECK(self->IsExceptionPending()); |
| 216 | self->ClearException(); |
| 217 | continue; |
| 218 | } |
| 219 | CHECK(klass->IsResolved()) << PrettyClass(klass); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 220 | class_linker->VerifyClass(klass); |
Elliott Hughes | d9cdfe9 | 2011-10-06 16:09:04 -0700 | [diff] [blame] | 221 | |
| 222 | if (klass->IsErroneous()) { |
| 223 | // ClassLinker::VerifyClass throws, which isn't useful in the compiler. |
| 224 | CHECK(Thread::Current()->IsExceptionPending()); |
| 225 | Thread::Current()->ClearException(); |
| 226 | // We want to try verification again at run-time, so move back into the resolved state. |
| 227 | klass->SetStatus(Class::kStatusResolved); |
| 228 | } |
| 229 | |
jeffhao | 5cfd6fb | 2011-09-27 13:54:29 -0700 | [diff] [blame] | 230 | CHECK(klass->IsVerified() || klass->IsResolved()) << PrettyClass(klass); |
| 231 | CHECK(!Thread::Current()->IsExceptionPending()) << PrettyTypeOf(Thread::Current()->GetException()); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 232 | } |
jeffhao | b4df514 | 2011-09-19 20:25:32 -0700 | [diff] [blame] | 233 | dex_file.ChangePermissions(PROT_READ); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 234 | } |
| 235 | |
| 236 | void Compiler::InitializeClassesWithoutClinit(const ClassLoader* class_loader) { |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 237 | const std::vector<const DexFile*>& class_path |
| 238 | = ClassLoader::GetCompileTimeClassPath(class_loader); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 239 | for (size_t i = 0; i != class_path.size(); ++i) { |
| 240 | const DexFile* dex_file = class_path[i]; |
| 241 | CHECK(dex_file != NULL); |
| 242 | InitializeClassesWithoutClinit(class_loader, *dex_file); |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | void Compiler::InitializeClassesWithoutClinit(const ClassLoader* class_loader, const DexFile& dex_file) { |
| 247 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 248 | for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); class_def_index++) { |
| 249 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
Brian Carlstrom | a5a97a2 | 2011-09-15 14:08:49 -0700 | [diff] [blame] | 250 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 251 | Class* klass = class_linker->FindClass(descriptor, class_loader); |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 252 | if (klass != NULL) { |
| 253 | class_linker->EnsureInitialized(klass, false); |
| 254 | } |
| 255 | // clear any class not found or verification exceptions |
| 256 | Thread::Current()->ClearException(); |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 257 | } |
| 258 | |
| 259 | DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
| 260 | for (size_t type_idx = 0; type_idx < dex_cache->NumResolvedTypes(); type_idx++) { |
| 261 | 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] | 262 | if (klass == NULL) { |
| 263 | Thread::Current()->ClearException(); |
| 264 | } else if (klass->IsInitialized()) { |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 265 | dex_cache->GetInitializedStaticStorage()->Set(type_idx, klass); |
| 266 | } |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 267 | } |
| 268 | } |
| 269 | |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 270 | void Compiler::Compile(const ClassLoader* class_loader) { |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 271 | const std::vector<const DexFile*>& class_path |
| 272 | = ClassLoader::GetCompileTimeClassPath(class_loader); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 273 | for (size_t i = 0; i != class_path.size(); ++i) { |
| 274 | const DexFile* dex_file = class_path[i]; |
| 275 | CHECK(dex_file != NULL); |
| 276 | CompileDexFile(class_loader, *dex_file); |
| 277 | } |
| 278 | } |
| 279 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 280 | void Compiler::CompileDexFile(const ClassLoader* class_loader, const DexFile& dex_file) { |
| 281 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Brian Carlstrom | ffca45d | 2011-09-16 12:10:49 -0700 | [diff] [blame] | 282 | for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); class_def_index++) { |
| 283 | const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 284 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 285 | Class* klass = class_linker->FindClass(descriptor, class_loader); |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 286 | if (klass == NULL) { |
| 287 | // previous verification error will cause FindClass to throw |
| 288 | Thread* self = Thread::Current(); |
Brian Carlstrom | 65ca077 | 2011-09-24 16:03:08 -0700 | [diff] [blame] | 289 | CHECK(self->IsExceptionPending()); |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 290 | self->ClearException(); |
| 291 | } else { |
| 292 | CompileClass(klass); |
| 293 | } |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 294 | } |
| 295 | } |
| 296 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 297 | void Compiler::CompileClass(const Class* klass) { |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 298 | for (size_t i = 0; i < klass->NumDirectMethods(); i++) { |
| 299 | CompileMethod(klass->GetDirectMethod(i)); |
| 300 | } |
| 301 | for (size_t i = 0; i < klass->NumVirtualMethods(); i++) { |
| 302 | CompileMethod(klass->GetVirtualMethod(i)); |
| 303 | } |
| 304 | } |
| 305 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 306 | void Compiler::CompileMethod(const Method* method) { |
Brian Carlstrom | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 307 | if (method->IsNative()) { |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 308 | CompiledMethod* compiled_method = jni_compiler_.Compile(method); |
| 309 | CHECK(compiled_method != NULL); |
| 310 | compiled_methods_[method] = compiled_method; |
| 311 | DCHECK_EQ(1U, compiled_methods_.count(method)); |
| 312 | DCHECK(GetCompiledMethod(method) != NULL) << PrettyMethod(method); |
Brian Carlstrom | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 313 | } else if (method->IsAbstract()) { |
Brian Carlstrom | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 314 | } else { |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 315 | CompiledMethod* compiled_method = oatCompileMethod(*this, method, kThumb2); |
| 316 | CHECK(compiled_method != NULL); |
| 317 | compiled_methods_[method] = compiled_method; |
| 318 | DCHECK_EQ(1U, compiled_methods_.count(method)); |
| 319 | DCHECK(GetCompiledMethod(method) != NULL) << PrettyMethod(method); |
Brian Carlstrom | 2cc022b | 2011-08-25 10:05:39 -0700 | [diff] [blame] | 320 | } |
Brian Carlstrom | 9baa4ae | 2011-09-01 21:14:14 -0700 | [diff] [blame] | 321 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 322 | CompiledInvokeStub* compiled_invoke_stub = NULL; |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 323 | if (instruction_set_ == kX86) { |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 324 | compiled_invoke_stub = art::x86::X86CreateInvokeStub(method); |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 325 | } else { |
| 326 | CHECK(instruction_set_ == kArm || instruction_set_ == kThumb2); |
| 327 | // Generates invocation stub using ARM instruction set |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 328 | compiled_invoke_stub = art::arm::ArmCreateInvokeStub(method); |
Ian Rogers | 2c8f653 | 2011-09-02 17:16:34 -0700 | [diff] [blame] | 329 | } |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 330 | CHECK(compiled_invoke_stub != NULL); |
| 331 | compiled_invoke_stubs_[method] = compiled_invoke_stub; |
| 332 | } |
| 333 | |
| 334 | const CompiledMethod* Compiler::GetCompiledMethod(const Method* method) const { |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 335 | MethodTable::const_iterator it = compiled_methods_.find(method); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 336 | if (it == compiled_methods_.end()) { |
| 337 | return NULL; |
| 338 | } |
| 339 | CHECK(it->second != NULL); |
| 340 | return it->second; |
| 341 | } |
| 342 | |
| 343 | const CompiledInvokeStub* Compiler::GetCompiledInvokeStub(const Method* method) const { |
| 344 | InvokeStubTable::const_iterator it = compiled_invoke_stubs_.find(method); |
| 345 | if (it == compiled_invoke_stubs_.end()) { |
| 346 | return NULL; |
| 347 | } |
| 348 | CHECK(it->second != NULL); |
| 349 | return it->second; |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 350 | } |
| 351 | |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 352 | void Compiler::SetCodeAndDirectMethods(const ClassLoader* class_loader) { |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 353 | const std::vector<const DexFile*>& class_path |
| 354 | = ClassLoader::GetCompileTimeClassPath(class_loader); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 355 | for (size_t i = 0; i != class_path.size(); ++i) { |
| 356 | const DexFile* dex_file = class_path[i]; |
| 357 | CHECK(dex_file != NULL); |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 358 | SetCodeAndDirectMethodsDexFile(*dex_file); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 359 | } |
| 360 | } |
| 361 | |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 362 | void Compiler::SetCodeAndDirectMethodsDexFile(const DexFile& dex_file) { |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 363 | Runtime* runtime = Runtime::Current(); |
| 364 | ClassLinker* class_linker = runtime->GetClassLinker(); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 365 | DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 366 | CodeAndDirectMethods* code_and_direct_methods = dex_cache->GetCodeAndDirectMethods(); |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 367 | for (size_t i = 0; i < dex_cache->NumResolvedMethods(); i++) { |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 368 | Method* method = dex_cache->GetResolvedMethod(i); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 369 | if (method == NULL || method->IsDirect()) { |
Ian Rogers | 1cb0a1d | 2011-10-06 15:24:35 -0700 | [diff] [blame] | 370 | Runtime::TrampolineType type = Runtime::GetTrampolineType(method); |
| 371 | ByteArray* res_trampoline = runtime->GetResolutionStubArray(type); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 372 | code_and_direct_methods->SetResolvedDirectMethodTrampoline(i, res_trampoline); |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 373 | } else { |
| 374 | // TODO: we currently leave the entry blank for resolved |
| 375 | // non-direct methods. we could put in an error stub. |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 376 | } |
| 377 | } |
| 378 | } |
| 379 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 380 | } // namespace art |