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-rw-r--r--compiler/compiler_backend.cc331
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diff --git a/compiler/compiler_backend.cc b/compiler/compiler_backend.cc
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index 0afa665eb7..0000000000
--- a/compiler/compiler_backend.cc
+++ /dev/null
@@ -1,331 +0,0 @@
-/*
- * 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 "compiler_backend.h"
-#include "elf_writer_quick.h"
-#include "dex/quick/mir_to_lir.h"
-#include "dex/mir_graph.h"
-#include "driver/compiler_driver.h"
-#include "mirror/art_method-inl.h"
-
-#ifdef ART_USE_PORTABLE_COMPILER
-#include "dex/portable/mir_to_gbc.h"
-#include "elf_writer_mclinker.h"
-#endif
-
-namespace art {
-
-#ifdef ART_SEA_IR_MODE
-extern "C" art::CompiledMethod* SeaIrCompileMethod(art::CompilerDriver& compiler,
- 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);
-#endif
-
-extern "C" void ArtInitQuickCompilerContext(art::CompilerDriver& driver);
-extern "C" void ArtUnInitQuickCompilerContext(art::CompilerDriver& driver);
-extern "C" art::CompiledMethod* ArtQuickCompileMethod(art::CompilerDriver& compiler,
- 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& compiler,
- uint32_t access_flags, uint32_t method_idx,
- const art::DexFile& dex_file);
-
-
-static CompiledMethod* TryCompileWithSeaIR(art::CompilerDriver& compiler,
- 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) {
-#ifdef ART_SEA_IR_MODE
- bool use_sea = Runtime::Current()->IsSeaIRMode();
- use_sea = use_sea &&
- (std::string::npos != PrettyMethod(method_idx, dex_file).find("fibonacci"));
- if (use_sea) {
- LOG(INFO) << "Using SEA IR to compile..." << std::endl;
- return SeaIrCompileMethod(compiler,
- code_item,
- access_flags,
- invoke_type,
- class_def_idx,
- method_idx,
- class_loader,
- dex_file);
- }
-#endif
- return nullptr;
-}
-
-
-// Hack for CFI CIE initialization
-extern std::vector<uint8_t>* X86CFIInitialization();
-
-class QuickBackend : public CompilerBackend {
- public:
- QuickBackend() : CompilerBackend(100) {}
-
- void Init(CompilerDriver& driver) const {
- ArtInitQuickCompilerContext(driver);
- }
-
- void UnInit(CompilerDriver& driver) const {
- ArtUnInitQuickCompilerContext(driver);
- }
-
- CompiledMethod* Compile(CompilerDriver& compiler,
- 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(compiler,
- code_item,
- access_flags,
- invoke_type,
- class_def_idx,
- method_idx,
- class_loader,
- dex_file);
- if (method != nullptr) return method;
-
- return ArtQuickCompileMethod(compiler,
- code_item,
- access_flags,
- invoke_type,
- class_def_idx,
- method_idx,
- class_loader,
- dex_file);
- }
-
- CompiledMethod* JniCompile(CompilerDriver& driver,
- uint32_t access_flags,
- uint32_t method_idx,
- const DexFile& dex_file) const {
- return ArtQuickJniCompileMethod(driver, access_flags, method_idx, dex_file);
- }
-
- uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const {
- return reinterpret_cast<uintptr_t>(method->GetEntryPointFromQuickCompiledCode());
- }
-
- bool WriteElf(art::File* file,
- OatWriter* oat_writer,
- const std::vector<const art::DexFile*>& dex_files,
- const std::string& android_root,
- bool is_host, const CompilerDriver& driver) const
- OVERRIDE
- SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
- return art::ElfWriterQuick::Create(file, oat_writer, dex_files, android_root, is_host, driver);
- }
-
- Backend* 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 kMips:
- mir_to_lir = MipsCodeGenerator(cu, cu->mir_graph.get(), &cu->arena);
- break;
- case kX86:
- 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;
- }
-
- void InitCompilationUnit(CompilationUnit& cu) const {}
-
- /*
- * @brief Generate and return Dwarf CFI initialization, if supported by the
- * backend.
- * @param driver CompilerDriver for this compile.
- * @returns nullptr if not supported by backend or a vector of bytes for CFI DWARF
- * information.
- * @note This is used for backtrace information in generated code.
- */
- std::vector<uint8_t>* GetCallFrameInformationInitialization(const CompilerDriver& driver) const
- OVERRIDE {
- if (driver.GetInstructionSet() == kX86) {
- return X86CFIInitialization();
- }
- return nullptr;
- }
-
- private:
- DISALLOW_COPY_AND_ASSIGN(QuickBackend);
-};
-
-#ifdef ART_USE_PORTABLE_COMPILER
-
-extern "C" void ArtInitCompilerContext(art::CompilerDriver& driver);
-
-extern "C" void ArtUnInitCompilerContext(art::CompilerDriver& driver);
-
-extern "C" art::CompiledMethod* ArtCompileMethod(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* ArtLLVMJniCompileMethod(art::CompilerDriver& driver,
- uint32_t access_flags, uint32_t method_idx,
- const art::DexFile& dex_file);
-
-extern "C" void compilerLLVMSetBitcodeFileName(art::CompilerDriver& driver,
- std::string const& filename);
-
-
-class LLVMBackend : public CompilerBackend {
- public:
- LLVMBackend() : CompilerBackend(1000) {}
-
- void Init(CompilerDriver& driver) const {
- ArtInitCompilerContext(driver);
- }
-
- void UnInit(CompilerDriver& driver) const {
- ArtUnInitCompilerContext(driver);
- }
-
- CompiledMethod* Compile(CompilerDriver& compiler,
- 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(compiler,
- code_item,
- access_flags,
- invoke_type,
- class_def_idx,
- method_idx,
- class_loader,
- dex_file);
- if (method != nullptr) return method;
-
- return ArtCompileMethod(compiler,
- code_item,
- access_flags,
- invoke_type,
- class_def_idx,
- method_idx,
- class_loader,
- dex_file);
- }
-
- CompiledMethod* JniCompile(CompilerDriver& driver,
- uint32_t access_flags,
- uint32_t method_idx,
- const DexFile& dex_file) const {
- return ArtLLVMJniCompileMethod(driver, access_flags, method_idx, dex_file);
- }
-
- uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const {
- return reinterpret_cast<uintptr_t>(method->GetEntryPointFromPortableCompiledCode());
- }
-
- bool WriteElf(art::File* file,
- OatWriter* oat_writer,
- const std::vector<const art::DexFile*>& dex_files,
- const std::string& android_root,
- bool is_host, const CompilerDriver& driver) const
- OVERRIDE
- SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
- return art::ElfWriterMclinker::Create(
- file, oat_writer, dex_files, android_root, is_host, driver);
- }
-
- Backend* GetCodeGenerator(CompilationUnit* cu, void* compilation_unit) const {
- return PortableCodeGenerator(
- cu, cu->mir_graph.get(), &cu->arena,
- reinterpret_cast<art::llvm::LlvmCompilationUnit*>(compilation_unit));
- }
-
- void InitCompilationUnit(CompilationUnit& cu) const {
- // Fused long branches not currently useful in bitcode.
- cu.disable_opt |=
- (1 << kBranchFusing) |
- (1 << kSuppressExceptionEdges);
- }
-
- bool IsPortable() const OVERRIDE {
- return true;
- }
-
- void SetBitcodeFileName(const CompilerDriver& driver, const std::string& filename) {
- typedef void (*SetBitcodeFileNameFn)(const CompilerDriver&, const std::string&);
-
- SetBitcodeFileNameFn set_bitcode_file_name =
- reinterpret_cast<SetBitcodeFileNameFn>(compilerLLVMSetBitcodeFileName);
-
- set_bitcode_file_name(driver, filename);
- }
-
- private:
- DISALLOW_COPY_AND_ASSIGN(LLVMBackend);
-};
-#endif
-
-CompilerBackend* CompilerBackend::Create(CompilerBackend::Kind kind) {
- switch (kind) {
- case kQuick:
- return new QuickBackend();
- break;
- case kPortable:
-#ifdef ART_USE_PORTABLE_COMPILER
- return new LLVMBackend();
-#else
- LOG(FATAL) << "Portable compiler not compiled";
-#endif
- break;
- default:
- LOG(FATAL) << "UNREACHABLE";
- }
- return nullptr;
-}
-
-} // namespace art
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