| /* |
| * Copyright (C) 2011 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 <stdio.h> |
| #include <stdlib.h> |
| |
| #include <fstream> |
| #include <iostream> |
| #include <map> |
| #include <string> |
| #include <vector> |
| |
| #include "class_linker.h" |
| #include "dex_instruction.h" |
| #include "file.h" |
| #include "image.h" |
| #include "object_utils.h" |
| #include "os.h" |
| #include "runtime.h" |
| #include "space.h" |
| #include "stringpiece.h" |
| |
| namespace art { |
| |
| static void usage() { |
| fprintf(stderr, |
| "Usage: oatdump [options] ...\n" |
| " Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art --host-prefix=$ANDROID_PRODUCT_OUT\n" |
| " Example: adb shell oatdump --image=/system/framework/boot.art\n" |
| "\n"); |
| fprintf(stderr, |
| " --oat-file=<file.oat>: specifies an input oat filename.\n" |
| " Example: --image=/system/framework/boot.oat\n" |
| "\n"); |
| fprintf(stderr, |
| " --image=<file.art>: specifies an input image filename.\n" |
| " Example: --image=/system/framework/boot.art\n" |
| "\n"); |
| fprintf(stderr, |
| " --boot-image=<file.art>: provide the image file for the boot class path.\n" |
| " Example: --boot-image=/system/framework/boot.art\n" |
| "\n"); |
| fprintf(stderr, |
| " --host-prefix may be used to translate host paths to target paths during\n" |
| " cross compilation.\n" |
| " Example: --host-prefix=out/target/product/crespo\n" |
| " Default: $ANDROID_PRODUCT_OUT\n" |
| "\n"); |
| fprintf(stderr, |
| " --output=<file> may be used to send the output to a file.\n" |
| " Example: --output=/tmp/oatdump.txt\n" |
| "\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| const char* image_roots_descriptions_[] = { |
| "kJniStubArray", |
| "kAbstractMethodErrorStubArray", |
| "kInstanceResolutionStubArray", |
| "kStaticResolutionStubArray", |
| "kUnknownMethodResolutionStubArray", |
| "kResolutionMethod", |
| "kCalleeSaveMethod", |
| "kRefsOnlySaveMethod", |
| "kRefsAndArgsSaveMethod", |
| "kOatLocation", |
| "kDexCaches", |
| "kClassRoots", |
| }; |
| |
| class OatDumper { |
| public: |
| void Dump(const std::string& oat_filename, std::ostream& os, const OatFile& oat_file) { |
| const OatHeader& oat_header = oat_file.GetOatHeader(); |
| |
| os << "MAGIC:\n"; |
| os << oat_header.GetMagic() << "\n\n"; |
| |
| os << "CHECKSUM:\n"; |
| os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum()); |
| |
| os << "DEX FILE COUNT:\n"; |
| os << oat_header.GetDexFileCount() << "\n\n"; |
| |
| os << "EXECUTABLE OFFSET:\n"; |
| os << StringPrintf("0x%08x\n\n", oat_header.GetExecutableOffset()); |
| |
| os << "BEGIN:\n"; |
| os << reinterpret_cast<const void*>(oat_file.Begin()) << "\n\n"; |
| |
| os << "END:\n"; |
| os << reinterpret_cast<const void*>(oat_file.End()) << "\n\n"; |
| |
| os << std::flush; |
| |
| std::vector<const OatFile::OatDexFile*> oat_dex_files = oat_file.GetOatDexFiles(); |
| AddAllOffsets(oat_file, oat_dex_files); |
| |
| for (size_t i = 0; i < oat_dex_files.size(); i++) { |
| const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i]; |
| CHECK(oat_dex_file != NULL); |
| DumpOatDexFile(os, oat_file, *oat_dex_file); |
| } |
| } |
| |
| private: |
| void AddAllOffsets(const OatFile& oat_file, std::vector<const OatFile::OatDexFile*>& oat_dex_files) { |
| // We don't know the length of the code for each method, but we need to know where to stop |
| // when disassembling. What we do know is that a region of code will be followed by some other |
| // region, so if we keep a sorted sequence of the start of each region, we can infer the length |
| // of a piece of code by using upper_bound to find the start of the next region. |
| for (size_t i = 0; i < oat_dex_files.size(); i++) { |
| const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i]; |
| CHECK(oat_dex_file != NULL); |
| UniquePtr<const DexFile> dex_file(oat_dex_file->OpenDexFile()); |
| if (dex_file.get() == NULL) { |
| return; |
| } |
| for (size_t class_def_index = 0; class_def_index < dex_file->NumClassDefs(); class_def_index++) { |
| const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); |
| UniquePtr<const OatFile::OatClass> oat_class(oat_dex_file->GetOatClass(class_def_index)); |
| const byte* class_data = dex_file->GetClassData(class_def); |
| if (class_data != NULL) { |
| ClassDataItemIterator it(*dex_file, class_data); |
| SkipAllFields(it); |
| uint32_t class_method_index = 0; |
| while (it.HasNextDirectMethod()) { |
| AddOffsets(oat_class->GetOatMethod(class_method_index++)); |
| it.Next(); |
| } |
| while (it.HasNextVirtualMethod()) { |
| AddOffsets(oat_class->GetOatMethod(class_method_index++)); |
| it.Next(); |
| } |
| } |
| } |
| } |
| |
| // If the last thing in the file is code for a method, there won't be an offset for the "next" |
| // thing. Instead of having a special case in the upper_bound code, let's just add an entry |
| // for the end of the file. |
| offsets_.insert(static_cast<uint32_t>(oat_file.End() - oat_file.Begin())); |
| } |
| |
| void AddOffsets(const OatFile::OatMethod& oat_method) { |
| offsets_.insert(oat_method.GetCodeOffset()); |
| offsets_.insert(oat_method.GetMappingTableOffset()); |
| offsets_.insert(oat_method.GetVmapTableOffset()); |
| offsets_.insert(oat_method.GetGcMapOffset()); |
| offsets_.insert(oat_method.GetInvokeStubOffset()); |
| } |
| |
| void DumpOatDexFile(std::ostream& os, const OatFile& oat_file, |
| const OatFile::OatDexFile& oat_dex_file) { |
| os << "OAT DEX FILE:\n"; |
| os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); |
| os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); |
| UniquePtr<const DexFile> dex_file(oat_dex_file.OpenDexFile()); |
| if (dex_file.get() == NULL) { |
| os << "NOT FOUND\n\n"; |
| return; |
| } |
| for (size_t class_def_index = 0; class_def_index < dex_file->NumClassDefs(); class_def_index++) { |
| const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); |
| const char* descriptor = dex_file->GetClassDescriptor(class_def); |
| UniquePtr<const OatFile::OatClass> oat_class(oat_dex_file.GetOatClass(class_def_index)); |
| CHECK(oat_class.get() != NULL); |
| os << StringPrintf("%zd: %s (type_idx=%d) (", class_def_index, descriptor, class_def.class_idx_) |
| << oat_class->GetStatus() << ")\n"; |
| DumpOatClass(os, oat_file, *oat_class.get(), *(dex_file.get()), class_def); |
| } |
| |
| os << std::flush; |
| } |
| |
| static void SkipAllFields(ClassDataItemIterator& it) { |
| while (it.HasNextStaticField()) { |
| it.Next(); |
| } |
| while (it.HasNextInstanceField()) { |
| it.Next(); |
| } |
| } |
| |
| void DumpOatClass(std::ostream& os, const OatFile& oat_file, const OatFile::OatClass& oat_class, |
| const DexFile& dex_file, const DexFile::ClassDef& class_def) { |
| const byte* class_data = dex_file.GetClassData(class_def); |
| if (class_data == NULL) { // empty class such as a marker interface? |
| return; |
| } |
| ClassDataItemIterator it(dex_file, class_data); |
| SkipAllFields(it); |
| |
| uint32_t class_method_index = 0; |
| while (it.HasNextDirectMethod()) { |
| const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index); |
| DumpOatMethod(os, class_method_index, oat_file, oat_method, dex_file, |
| it.GetMemberIndex(), it.GetMethodCodeItem()); |
| class_method_index++; |
| it.Next(); |
| } |
| while (it.HasNextVirtualMethod()) { |
| const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index); |
| DumpOatMethod(os, class_method_index, oat_file, oat_method, dex_file, |
| it.GetMemberIndex(), it.GetMethodCodeItem()); |
| class_method_index++; |
| it.Next(); |
| } |
| DCHECK(!it.HasNext()); |
| os << std::flush; |
| } |
| |
| void DumpOatMethod(std::ostream& os, uint32_t class_method_index, const OatFile& oat_file, |
| const OatFile::OatMethod& oat_method, const DexFile& dex_file, |
| uint32_t dex_method_idx, const DexFile::CodeItem* code_item) { |
| const DexFile::MethodId& method_id = dex_file.GetMethodId(dex_method_idx); |
| const char* name = dex_file.GetMethodName(method_id); |
| std::string signature(dex_file.GetMethodSignature(method_id)); |
| os << StringPrintf("\t%d: %s %s (dex_method_idx=%d)\n", |
| class_method_index, name, signature.c_str(), dex_method_idx); |
| os << StringPrintf("\t\tcode: %p (offset=0x%08x)\n", |
| oat_method.GetCode(), oat_method.GetCodeOffset()); |
| os << StringPrintf("\t\tframe_size_in_bytes: %zd\n", |
| oat_method.GetFrameSizeInBytes()); |
| os << StringPrintf("\t\tcore_spill_mask: 0x%08x\n", |
| oat_method.GetCoreSpillMask()); |
| os << StringPrintf("\t\tfp_spill_mask: 0x%08x\n", |
| oat_method.GetFpSpillMask()); |
| os << StringPrintf("\t\tmapping_table: %p (offset=0x%08x)\n", |
| oat_method.GetMappingTable(), oat_method.GetMappingTableOffset()); |
| DumpMappingTable(os, oat_file, oat_method, dex_file, code_item); |
| os << StringPrintf("\t\tvmap_table: %p (offset=0x%08x)\n", |
| oat_method.GetVmapTable(), oat_method.GetVmapTableOffset()); |
| os << StringPrintf("\t\tgc_map: %p (offset=0x%08x)\n", |
| oat_method.GetGcMap(), oat_method.GetGcMapOffset()); |
| os << StringPrintf("\t\tinvoke_stub: %p (offset=0x%08x)\n", |
| oat_method.GetInvokeStub(), oat_method.GetInvokeStubOffset()); |
| } |
| |
| void DumpMappingTable(std::ostream& os, |
| const OatFile& oat_file, const OatFile::OatMethod& oat_method, |
| const DexFile& dex_file, const DexFile::CodeItem* code_item) { |
| const uint32_t* raw_table = oat_method.GetMappingTable(); |
| const void* code = oat_method.GetCode(); |
| if (raw_table == NULL || code == NULL) { |
| return; |
| } |
| |
| uint32_t length = *raw_table; |
| ++raw_table; |
| |
| for (size_t i = 0; i < length; i += 2) { |
| uint32_t dex_pc = raw_table[i + 1]; |
| const Instruction* instruction = Instruction::At(&code_item->insns_[dex_pc]); |
| os << StringPrintf("\t\t0x%04x: %s\n", dex_pc, instruction->DumpString(&dex_file).c_str()); |
| |
| const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(code) + raw_table[i]; |
| const uint8_t* end_native_pc = NULL; |
| if (i + 2 < length) { |
| end_native_pc = reinterpret_cast<const uint8_t*>(code) + raw_table[i + 2]; |
| } else { |
| const uint8_t* oat_begin = reinterpret_cast<const uint8_t*>(oat_file.Begin()); |
| uint32_t last_offset = static_cast<uint32_t>(native_pc - oat_begin); |
| |
| typedef std::set<uint32_t>::iterator It; |
| It it = offsets_.upper_bound(last_offset); |
| CHECK(it != offsets_.end()); |
| end_native_pc = reinterpret_cast<const uint8_t*>(oat_begin) + *it; |
| } |
| |
| // TODO: insert disassembler here. |
| CHECK(native_pc < end_native_pc); |
| os << StringPrintf("\t\t\t%p:", native_pc); |
| for (; native_pc < end_native_pc; ++native_pc) { |
| os << StringPrintf(" 0x%02x", *native_pc); |
| } |
| os << "\n"; |
| } |
| } |
| |
| std::set<uint32_t> offsets_; |
| }; |
| |
| class ImageDump { |
| public: |
| static void Dump(const std::string& image_filename, |
| const std::string& host_prefix, |
| std::ostream& os, |
| Space& image_space, |
| const ImageHeader& image_header) { |
| os << "MAGIC:\n"; |
| os << image_header.GetMagic() << "\n\n"; |
| |
| os << "IMAGE BEGIN:\n"; |
| os << reinterpret_cast<void*>(image_header.GetImageBegin()) << "\n\n"; |
| |
| os << "OAT CHECKSUM:\n"; |
| os << StringPrintf("0x%08x\n\n", image_header.GetOatChecksum()); |
| |
| os << "OAT BEGIN:\n"; |
| os << reinterpret_cast<void*>(image_header.GetOatBegin()) << "\n\n"; |
| |
| os << "OAT END:\n"; |
| os << reinterpret_cast<void*>(image_header.GetOatEnd()) << "\n\n"; |
| |
| os << "ROOTS:\n"; |
| os << reinterpret_cast<void*>(image_header.GetImageRoots()) << "\n"; |
| CHECK_EQ(arraysize(image_roots_descriptions_), size_t(ImageHeader::kImageRootsMax)); |
| for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { |
| ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); |
| const char* image_root_description = image_roots_descriptions_[i]; |
| Object* image_root_object = image_header.GetImageRoot(image_root); |
| os << StringPrintf("%s: %p\n", image_root_description, image_root_object); |
| if (image_root_object->IsObjectArray()) { |
| // TODO: replace down_cast with AsObjectArray (g++ currently has a problem with this) |
| ObjectArray<Object>* image_root_object_array |
| = down_cast<ObjectArray<Object>*>(image_root_object); |
| // = image_root_object->AsObjectArray<Object>(); |
| for (int i = 0; i < image_root_object_array->GetLength(); i++) { |
| Object* value = image_root_object_array->Get(i); |
| if (value != NULL) { |
| os << "\t" << i << ": "; |
| std::string summary; |
| PrettyObjectValue(summary, value->GetClass(), value); |
| os << summary; |
| } else { |
| os << StringPrintf("\t%d: null\n", i); |
| } |
| } |
| } |
| } |
| os << "\n"; |
| |
| os << "OBJECTS:\n" << std::flush; |
| ImageDump state(image_space, os); |
| HeapBitmap* heap_bitmap = Heap::GetLiveBits(); |
| DCHECK(heap_bitmap != NULL); |
| heap_bitmap->Walk(ImageDump::Callback, &state); |
| os << "\n"; |
| |
| os << "STATS:\n" << std::flush; |
| UniquePtr<File> file(OS::OpenFile(image_filename.c_str(), false)); |
| state.stats_.file_bytes = file->Length(); |
| size_t header_bytes = sizeof(ImageHeader); |
| state.stats_.header_bytes = header_bytes; |
| size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes; |
| state.stats_.alignment_bytes += alignment_bytes; |
| state.stats_.Dump(os); |
| os << "\n"; |
| |
| os << std::flush; |
| |
| os << "OAT LOCATION:\n" << std::flush; |
| Object* oat_location_object = image_header.GetImageRoot(ImageHeader::kOatLocation); |
| std::string oat_location(oat_location_object->AsString()->ToModifiedUtf8()); |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| os << oat_location; |
| if (!host_prefix.empty()) { |
| oat_location = host_prefix + oat_location; |
| os << " (" << oat_location << ")"; |
| } |
| os << "\n"; |
| const OatFile* oat_file = class_linker->FindOatFileFromOatLocation(oat_location); |
| if (oat_file == NULL) { |
| os << "NOT FOUND\n"; |
| os << std::flush; |
| return; |
| } |
| os << "\n"; |
| os << std::flush; |
| |
| OatDumper oat_dumper; |
| oat_dumper.Dump(oat_location, os, *oat_file); |
| } |
| |
| private: |
| |
| ImageDump(const Space& dump_space, std::ostream& os) : dump_space_(dump_space), os_(os) {} |
| |
| ~ImageDump() {} |
| |
| static void PrettyObjectValue(std::string& summary, Class* type, Object* value) { |
| CHECK(type != NULL); |
| if (value == NULL) { |
| StringAppendF(&summary, "null %s\n", PrettyDescriptor(type).c_str()); |
| } else if (type->IsStringClass()) { |
| String* string = value->AsString(); |
| StringAppendF(&summary, "%p String: \"%s\"\n", string, string->ToModifiedUtf8().c_str()); |
| } else if (value->IsClass()) { |
| Class* klass = value->AsClass(); |
| StringAppendF(&summary, "%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); |
| } else if (value->IsField()) { |
| Field* field = value->AsField(); |
| StringAppendF(&summary, "%p Field: %s\n", field, PrettyField(field).c_str()); |
| } else if (value->IsMethod()) { |
| Method* method = value->AsMethod(); |
| StringAppendF(&summary, "%p Method: %s\n", method, PrettyMethod(method).c_str()); |
| } else { |
| StringAppendF(&summary, "%p %s\n", value, PrettyDescriptor(type).c_str()); |
| } |
| } |
| |
| static void PrintField(std::string& summary, Field* field, Object* obj) { |
| FieldHelper fh(field); |
| Class* type = fh.GetType(); |
| StringAppendF(&summary, "\t%s: ", fh.GetName()); |
| if (type->IsPrimitiveLong()) { |
| StringAppendF(&summary, "%lld (0x%llx)\n", field->Get64(obj), field->Get64(obj)); |
| } else if (type->IsPrimitiveDouble()) { |
| StringAppendF(&summary, "%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); |
| } else if (type->IsPrimitiveFloat()) { |
| StringAppendF(&summary, "%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); |
| } else if (type->IsPrimitive()){ |
| StringAppendF(&summary, "%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); |
| } else { |
| Object* value = field->GetObj(obj); |
| PrettyObjectValue(summary, type, value); |
| } |
| } |
| |
| static void DumpFields(std::string& summary, Object* obj, Class* klass) { |
| Class* super = klass->GetSuperClass(); |
| if (super != NULL) { |
| DumpFields(summary, obj, super); |
| } |
| ObjectArray<Field>* fields = klass->GetIFields(); |
| if (fields != NULL) { |
| for (int32_t i = 0; i < fields->GetLength(); i++) { |
| Field* field = fields->Get(i); |
| PrintField(summary, field, obj); |
| } |
| } |
| } |
| |
| static void Callback(Object* obj, void* arg) { |
| DCHECK(obj != NULL); |
| DCHECK(arg != NULL); |
| ImageDump* state = reinterpret_cast<ImageDump*>(arg); |
| if (!state->InDumpSpace(obj)) { |
| return; |
| } |
| |
| size_t object_bytes = obj->SizeOf(); |
| size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; |
| state->stats_.object_bytes += object_bytes; |
| state->stats_.alignment_bytes += alignment_bytes; |
| |
| std::string summary; |
| Class* obj_class = obj->GetClass(); |
| if (obj_class->IsArrayClass()) { |
| StringAppendF(&summary, "%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), |
| obj->AsArray()->GetLength()); |
| } else if (obj->IsClass()) { |
| Class* klass = obj->AsClass(); |
| StringAppendF(&summary, "%p: java.lang.Class \"%s\" (", obj, |
| PrettyDescriptor(klass).c_str()); |
| std::ostringstream ss; |
| ss << klass->GetStatus() << ")\n"; |
| summary += ss.str(); |
| } else if (obj->IsField()) { |
| StringAppendF(&summary, "%p: java.lang.reflect.Field %s\n", obj, |
| PrettyField(obj->AsField()).c_str()); |
| } else if (obj->IsMethod()) { |
| StringAppendF(&summary, "%p: java.lang.reflect.Method %s\n", obj, |
| PrettyMethod(obj->AsMethod()).c_str()); |
| } else if (obj_class->IsStringClass()) { |
| StringAppendF(&summary, "%p: java.lang.String \"%s\"\n", obj, |
| obj->AsString()->ToModifiedUtf8().c_str()); |
| } else { |
| StringAppendF(&summary, "%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); |
| } |
| DumpFields(summary, obj, obj_class); |
| if (obj->IsObjectArray()) { |
| ObjectArray<Object>* obj_array = obj->AsObjectArray<Object>(); |
| int32_t length = obj_array->GetLength(); |
| for (int32_t i = 0; i < length; i++) { |
| Object* value = obj_array->Get(i); |
| size_t run = 0; |
| for (int32_t j = i + 1; j < length; j++) { |
| if (value == obj_array->Get(j)) { |
| run++; |
| } else { |
| break; |
| } |
| } |
| if (run == 0) { |
| StringAppendF(&summary, "\t%d: ", i); |
| } else { |
| StringAppendF(&summary, "\t%d to %zd: ", i, i + run); |
| i = i + run; |
| } |
| Class* value_class = value == NULL ? obj_class->GetComponentType() : value->GetClass(); |
| PrettyObjectValue(summary, value_class, value); |
| } |
| } else if (obj->IsClass()) { |
| ObjectArray<Field>* sfields = obj->AsClass()->GetSFields(); |
| if (sfields != NULL) { |
| summary += "\t\tSTATICS:\n"; |
| for (int32_t i = 0; i < sfields->GetLength(); i++) { |
| Field* field = sfields->Get(i); |
| PrintField(summary, field, NULL); |
| } |
| } |
| } else if (obj->IsMethod()) { |
| Method* method = obj->AsMethod(); |
| if (method->IsNative()) { |
| DCHECK(method->GetGcMap() == NULL) << PrettyMethod(method); |
| DCHECK_EQ(0U, method->GetGcMapLength()) << PrettyMethod(method); |
| DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method); |
| } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || |
| method->IsResolutionMethod()) { |
| DCHECK(method->GetGcMap() == NULL) << PrettyMethod(method); |
| DCHECK_EQ(0U, method->GetGcMapLength()) << PrettyMethod(method); |
| DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method); |
| } else { |
| DCHECK(method->GetGcMap() != NULL) << PrettyMethod(method); |
| DCHECK_NE(0U, method->GetGcMapLength()) << PrettyMethod(method); |
| |
| size_t register_map_bytes = method->GetGcMapLength(); |
| state->stats_.register_map_bytes += register_map_bytes; |
| |
| size_t pc_mapping_table_bytes = method->GetMappingTableLength(); |
| state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; |
| |
| const DexFile::CodeItem* code_item = MethodHelper(method).GetCodeItem(); |
| size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; |
| state->stats_.dex_instruction_bytes += dex_instruction_bytes; |
| |
| StringAppendF(&summary, "\t\tSIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n", |
| dex_instruction_bytes, register_map_bytes, pc_mapping_table_bytes); |
| } |
| } |
| std::string descriptor(ClassHelper(obj_class).GetDescriptor()); |
| state->stats_.descriptor_to_bytes[descriptor] += object_bytes; |
| state->stats_.descriptor_to_count[descriptor] += 1; |
| |
| state->os_ << summary << std::flush; |
| } |
| |
| bool InDumpSpace(const Object* object) { |
| return dump_space_.Contains(object); |
| } |
| |
| public: |
| struct Stats { |
| size_t file_bytes; |
| |
| size_t header_bytes; |
| size_t object_bytes; |
| size_t alignment_bytes; |
| |
| size_t managed_code_bytes; |
| size_t managed_to_native_code_bytes; |
| size_t native_to_managed_code_bytes; |
| |
| size_t register_map_bytes; |
| size_t pc_mapping_table_bytes; |
| |
| size_t dex_instruction_bytes; |
| |
| Stats() |
| : file_bytes(0), |
| header_bytes(0), |
| object_bytes(0), |
| alignment_bytes(0), |
| managed_code_bytes(0), |
| managed_to_native_code_bytes(0), |
| native_to_managed_code_bytes(0), |
| register_map_bytes(0), |
| pc_mapping_table_bytes(0), |
| dex_instruction_bytes(0) {} |
| |
| typedef std::map<std::string, size_t> TableBytes; |
| TableBytes descriptor_to_bytes; |
| |
| typedef std::map<std::string, size_t> TableCount; |
| TableCount descriptor_to_count; |
| |
| double PercentOfFileBytes(size_t size) { |
| return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; |
| } |
| |
| double PercentOfObjectBytes(size_t size) { |
| return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; |
| } |
| |
| void Dump(std::ostream& os) { |
| os << StringPrintf("\tfile_bytes = %zd\n", file_bytes); |
| os << "\n"; |
| |
| os << "\tfile_bytes = header_bytes + object_bytes + alignment_bytes\n"; |
| os << StringPrintf("\theader_bytes = %10zd (%2.0f%% of file_bytes)\n", |
| header_bytes, PercentOfFileBytes(header_bytes)); |
| os << StringPrintf("\tobject_bytes = %10zd (%2.0f%% of file_bytes)\n", |
| object_bytes, PercentOfFileBytes(object_bytes)); |
| os << StringPrintf("\talignment_bytes = %10zd (%2.0f%% of file_bytes)\n", |
| alignment_bytes, PercentOfFileBytes(alignment_bytes)); |
| os << "\n"; |
| os << std::flush; |
| CHECK_EQ(file_bytes, header_bytes + object_bytes + alignment_bytes); |
| |
| os << "\tobject_bytes = sum of descriptor_to_bytes values below:\n"; |
| size_t object_bytes_total = 0; |
| typedef TableBytes::const_iterator It; // TODO: C++0x auto |
| for (It it = descriptor_to_bytes.begin(), end = descriptor_to_bytes.end(); it != end; ++it) { |
| const std::string& descriptor(it->first); |
| size_t bytes = it->second; |
| size_t count = descriptor_to_count[descriptor]; |
| double average = static_cast<double>(bytes) / static_cast<double>(count); |
| double percent = PercentOfObjectBytes(bytes); |
| os << StringPrintf("\t%32s %8zd bytes %6zd instances " |
| "(%3.0f bytes/instance) %2.0f%% of object_bytes\n", |
| descriptor.c_str(), bytes, count, |
| average, percent); |
| |
| object_bytes_total += bytes; |
| } |
| os << "\n"; |
| os << std::flush; |
| CHECK_EQ(object_bytes, object_bytes_total); |
| |
| os << StringPrintf("\tmanaged_code_bytes = %8zd (%2.0f%% of object_bytes)\n", |
| managed_code_bytes, PercentOfObjectBytes(managed_code_bytes)); |
| os << StringPrintf("\tmanaged_to_native_code_bytes = %8zd (%2.0f%% of object_bytes)\n", |
| managed_to_native_code_bytes, |
| PercentOfObjectBytes(managed_to_native_code_bytes)); |
| os << StringPrintf("\tnative_to_managed_code_bytes = %8zd (%2.0f%% of object_bytes)\n", |
| native_to_managed_code_bytes, |
| PercentOfObjectBytes(native_to_managed_code_bytes)); |
| os << "\n"; |
| os << std::flush; |
| |
| os << StringPrintf("\tregister_map_bytes = %7zd (%2.0f%% of object_bytes)\n", |
| register_map_bytes, PercentOfObjectBytes(register_map_bytes)); |
| os << StringPrintf("\tpc_mapping_table_bytes = %7zd (%2.0f%% of object_bytes)\n", |
| pc_mapping_table_bytes, PercentOfObjectBytes(pc_mapping_table_bytes)); |
| os << "\n"; |
| os << std::flush; |
| |
| os << StringPrintf("\tdex_instruction_bytes = %zd\n", dex_instruction_bytes); |
| os << StringPrintf("\tmanaged_code_bytes expansion = %.2f\n", |
| static_cast<double>(managed_code_bytes) |
| / static_cast<double>(dex_instruction_bytes)); |
| os << "\n"; |
| os << std::flush; |
| } |
| } stats_; |
| |
| private: |
| const Space& dump_space_; |
| std::ostream& os_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ImageDump); |
| }; |
| |
| int oatdump(int argc, char** argv) { |
| // Skip over argv[0]. |
| argv++; |
| argc--; |
| |
| if (argc == 0) { |
| fprintf(stderr, "No arguments specified\n"); |
| usage(); |
| } |
| |
| const char* oat_filename = NULL; |
| const char* image_filename = NULL; |
| const char* boot_image_filename = NULL; |
| std::string host_prefix; |
| std::ostream* os = &std::cout; |
| UniquePtr<std::ofstream> out; |
| |
| for (int i = 0; i < argc; i++) { |
| const StringPiece option(argv[i]); |
| if (option.starts_with("--oat-file=")) { |
| oat_filename = option.substr(strlen("--oat-file=")).data(); |
| } else if (option.starts_with("--image=")) { |
| image_filename = option.substr(strlen("--image=")).data(); |
| } else if (option.starts_with("--boot-image=")) { |
| boot_image_filename = option.substr(strlen("--boot-image=")).data(); |
| } else if (option.starts_with("--host-prefix=")) { |
| host_prefix = option.substr(strlen("--host-prefix=")).data(); |
| } else if (option.starts_with("--output=")) { |
| const char* filename = option.substr(strlen("--output=")).data(); |
| out.reset(new std::ofstream(filename)); |
| if (!out->good()) { |
| fprintf(stderr, "Failed to open output filename %s\n", filename); |
| usage(); |
| } |
| os = out.get(); |
| } else { |
| fprintf(stderr, "Unknown argument %s\n", option.data()); |
| usage(); |
| } |
| } |
| |
| if (image_filename == NULL && oat_filename == NULL) { |
| fprintf(stderr, "Either --image or --oat must be specified\n"); |
| return EXIT_FAILURE; |
| } |
| |
| if (image_filename != NULL && oat_filename != NULL) { |
| fprintf(stderr, "Either --image or --oat must be specified but not both\n"); |
| return EXIT_FAILURE; |
| } |
| |
| if (oat_filename != NULL) { |
| const OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, NULL); |
| if (oat_file == NULL) { |
| fprintf(stderr, "Failed to open oat file from %s\n", oat_filename); |
| return EXIT_FAILURE; |
| } |
| OatDumper oat_dumper; |
| oat_dumper.Dump(oat_filename, *os, *oat_file); |
| return EXIT_SUCCESS; |
| } |
| |
| Runtime::Options options; |
| std::string image_option; |
| std::string oat_option; |
| std::string boot_image_option; |
| std::string boot_oat_option; |
| if (boot_image_filename != NULL) { |
| boot_image_option += "-Ximage:"; |
| boot_image_option += boot_image_filename; |
| options.push_back(std::make_pair(boot_image_option.c_str(), reinterpret_cast<void*>(NULL))); |
| } |
| if (image_filename != NULL) { |
| image_option += "-Ximage:"; |
| image_option += image_filename; |
| options.push_back(std::make_pair(image_option.c_str(), reinterpret_cast<void*>(NULL))); |
| } |
| |
| if (host_prefix.empty()) { |
| const char* android_product_out = getenv("ANDROID_PRODUCT_OUT"); |
| if (android_product_out != NULL) { |
| host_prefix = android_product_out; |
| } |
| } |
| if (!host_prefix.empty()) { |
| options.push_back(std::make_pair("host-prefix", host_prefix.c_str())); |
| } |
| |
| UniquePtr<Runtime> runtime(Runtime::Create(options, false)); |
| if (runtime.get() == NULL) { |
| fprintf(stderr, "Failed to create runtime\n"); |
| return EXIT_FAILURE; |
| } |
| |
| ImageSpace* image_space = Heap::GetSpaces()[Heap::GetSpaces().size()-2]->AsImageSpace(); |
| CHECK(image_space != NULL); |
| const ImageHeader& image_header = image_space->GetImageHeader(); |
| if (!image_header.IsValid()) { |
| fprintf(stderr, "Invalid image header %s\n", image_filename); |
| return EXIT_FAILURE; |
| } |
| ImageDump::Dump(image_filename, host_prefix, *os, *image_space, image_header); |
| return EXIT_SUCCESS; |
| } |
| |
| } // namespace art |
| |
| int main(int argc, char** argv) { |
| return art::oatdump(argc, argv); |
| } |