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/*
* 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();
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 {
return reinterpret_cast<uintptr_t>(method->GetEntryPointFromQuickCompiledCode());
}
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:
mir_to_lir = X86CodeGenerator(cu, cu->mir_graph.get(), &cu->arena);
break;
case kX86_64:
mir_to_lir = X86_64CodeGenerator(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();
}
if (driver.GetInstructionSet() == kX86_64) {
return X86CFIInitialization();
}
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
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