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Diffstat (limited to 'compiler/compilers.cc')
| -rw-r--r-- | compiler/compilers.cc | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/compiler/compilers.cc b/compiler/compilers.cc new file mode 100644 index 0000000000..2481128e4d --- /dev/null +++ b/compiler/compilers.cc @@ -0,0 +1,159 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "compilers.h" + +#include "dex/mir_graph.h" +#include "dex/quick/mir_to_lir.h" +#include "elf_writer_quick.h" +#include "mirror/art_method-inl.h" + +namespace art { + +extern "C" void ArtInitQuickCompilerContext(art::CompilerDriver* driver); +extern "C" void ArtUnInitQuickCompilerContext(art::CompilerDriver* driver); +extern "C" art::CompiledMethod* ArtQuickCompileMethod(art::CompilerDriver* driver, + const art::DexFile::CodeItem* code_item, + uint32_t access_flags, + art::InvokeType invoke_type, + uint16_t class_def_idx, + uint32_t method_idx, + jobject class_loader, + const art::DexFile& dex_file); + +extern "C" art::CompiledMethod* ArtQuickJniCompileMethod(art::CompilerDriver* driver, + uint32_t access_flags, uint32_t method_idx, + const art::DexFile& dex_file); + +// Hack for CFI CIE initialization +extern std::vector<uint8_t>* X86CFIInitialization(bool is_x86_64); + +void QuickCompiler::Init() const { + ArtInitQuickCompilerContext(GetCompilerDriver()); +} + +void QuickCompiler::UnInit() const { + ArtUnInitQuickCompilerContext(GetCompilerDriver()); +} + +CompiledMethod* QuickCompiler::Compile(const DexFile::CodeItem* code_item, + uint32_t access_flags, + InvokeType invoke_type, + uint16_t class_def_idx, + uint32_t method_idx, + jobject class_loader, + const DexFile& dex_file) const { + CompiledMethod* method = TryCompileWithSeaIR(code_item, + access_flags, + invoke_type, + class_def_idx, + method_idx, + class_loader, + dex_file); + if (method != nullptr) { + return method; + } + + return ArtQuickCompileMethod(GetCompilerDriver(), + code_item, + access_flags, + invoke_type, + class_def_idx, + method_idx, + class_loader, + dex_file); +} + +CompiledMethod* QuickCompiler::JniCompile(uint32_t access_flags, + uint32_t method_idx, + const DexFile& dex_file) const { + return ArtQuickJniCompileMethod(GetCompilerDriver(), access_flags, method_idx, dex_file); +} + +uintptr_t QuickCompiler::GetEntryPointOf(mirror::ArtMethod* method) const { + size_t pointer_size = InstructionSetPointerSize(GetCompilerDriver()->GetInstructionSet()); + return reinterpret_cast<uintptr_t>(method->GetEntryPointFromQuickCompiledCodePtrSize( + pointer_size)); +} + +bool QuickCompiler::WriteElf(art::File* file, + OatWriter* oat_writer, + const std::vector<const art::DexFile*>& dex_files, + const std::string& android_root, + bool is_host) const { + return art::ElfWriterQuick::Create(file, oat_writer, dex_files, android_root, is_host, + *GetCompilerDriver()); +} + +Backend* QuickCompiler::GetCodeGenerator(CompilationUnit* cu, void* compilation_unit) const { + Mir2Lir* mir_to_lir = nullptr; + switch (cu->instruction_set) { + case kThumb2: + mir_to_lir = ArmCodeGenerator(cu, cu->mir_graph.get(), &cu->arena); + break; + case kArm64: + mir_to_lir = Arm64CodeGenerator(cu, cu->mir_graph.get(), &cu->arena); + break; + case kMips: + mir_to_lir = MipsCodeGenerator(cu, cu->mir_graph.get(), &cu->arena); + break; + case kX86: + // Fall-through. + case kX86_64: + mir_to_lir = X86CodeGenerator(cu, cu->mir_graph.get(), &cu->arena); + break; + default: + LOG(FATAL) << "Unexpected instruction set: " << cu->instruction_set; + } + + /* The number of compiler temporaries depends on backend so set it up now if possible */ + if (mir_to_lir) { + size_t max_temps = mir_to_lir->GetMaxPossibleCompilerTemps(); + bool set_max = cu->mir_graph->SetMaxAvailableNonSpecialCompilerTemps(max_temps); + CHECK(set_max); + } + return mir_to_lir; +} + +std::vector<uint8_t>* QuickCompiler::GetCallFrameInformationInitialization( + const CompilerDriver& driver) const { + if (driver.GetInstructionSet() == kX86) { + return X86CFIInitialization(false); + } + if (driver.GetInstructionSet() == kX86_64) { + return X86CFIInitialization(true); + } + return nullptr; +} + +CompiledMethod* OptimizingCompiler::Compile(const DexFile::CodeItem* code_item, + uint32_t access_flags, + InvokeType invoke_type, + uint16_t class_def_idx, + uint32_t method_idx, + jobject class_loader, + const DexFile& dex_file) const { + CompiledMethod* method = TryCompile(code_item, access_flags, invoke_type, class_def_idx, + method_idx, class_loader, dex_file); + if (method != nullptr) { + return method; + } + + return QuickCompiler::Compile(code_item, access_flags, invoke_type, class_def_idx, method_idx, + class_loader, dex_file); +} + +} // namespace art |