| /* |
| * 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 <string> |
| #include <vector> |
| |
| #include "class_linker.h" |
| #include "dex_instruction.h" |
| #include "disassembler.h" |
| #include "file.h" |
| #include "image.h" |
| #include "oat/runtime/context.h" // For VmapTable |
| #include "object_utils.h" |
| #include "os.h" |
| #include "runtime.h" |
| #include "safe_map.h" |
| #include "scoped_thread_state_change.h" |
| #include "gc/space.h" |
| #include "stringpiece.h" |
| #include "gc_map.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", |
| "kStaticResolutionStubArray", |
| "kUnknownMethodResolutionStubArray", |
| "kResolutionMethod", |
| "kCalleeSaveMethod", |
| "kRefsOnlySaveMethod", |
| "kRefsAndArgsSaveMethod", |
| "kOatLocation", |
| "kDexCaches", |
| "kClassRoots", |
| }; |
| |
| class OatDumper { |
| public: |
| explicit OatDumper(const std::string& host_prefix, const OatFile& oat_file) |
| : host_prefix_(host_prefix), |
| oat_file_(oat_file), |
| oat_dex_files_(oat_file.GetOatDexFiles()), |
| disassembler_(Disassembler::Create(oat_file_.GetOatHeader().GetInstructionSet())) { |
| AddAllOffsets(); |
| } |
| |
| void Dump(std::ostream& os) { |
| 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 << "INSTRUCTION SET:\n"; |
| os << oat_header.GetInstructionSet() << "\n\n"; |
| |
| 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 << "IMAGE FILE LOCATION CHECKSUM:\n"; |
| os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationChecksum()); |
| |
| os << "IMAGE FILE LOCATION:\n"; |
| const std::string image_file_location(oat_header.GetImageFileLocation()); |
| os << image_file_location; |
| if (!image_file_location.empty() && !host_prefix_.empty()) { |
| os << " (" << host_prefix_ << image_file_location << ")"; |
| } |
| os << "\n\n"; |
| |
| 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; |
| |
| 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_dex_file); |
| } |
| } |
| |
| size_t ComputeSize(const void* oat_data) { |
| if (reinterpret_cast<const byte*>(oat_data) < oat_file_.Begin() || |
| reinterpret_cast<const byte*>(oat_data) > oat_file_.End()) { |
| return 0; // Address not in oat file |
| } |
| uint32_t begin_offset = reinterpret_cast<size_t>(oat_data) - |
| reinterpret_cast<size_t>(oat_file_.Begin()); |
| typedef std::set<uint32_t>::iterator It; |
| It it = offsets_.upper_bound(begin_offset); |
| CHECK(it != offsets_.end()); |
| uint32_t end_offset = *it; |
| return end_offset - begin_offset; |
| } |
| |
| InstructionSet GetInstructionSet() { |
| return oat_file_.GetOatHeader().GetInstructionSet(); |
| } |
| |
| const void* GetOatCode(AbstractMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| MethodHelper mh(m); |
| 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) { |
| uint32_t class_def_index; |
| bool found = dex_file->FindClassDefIndex(mh.GetDeclaringClassDescriptor(), class_def_index); |
| if (found) { |
| const OatFile::OatClass* oat_class = oat_dex_file->GetOatClass(class_def_index); |
| CHECK(oat_class != NULL); |
| size_t method_index = m->GetMethodIndex(); |
| return oat_class->GetOatMethod(method_index).GetCode(); |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| private: |
| void AddAllOffsets() { |
| // 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) { |
| continue; |
| } |
| offsets_.insert(reinterpret_cast<uint32_t>(&dex_file->GetHeader())); |
| 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) { |
| uint32_t code_offset = oat_method.GetCodeOffset(); |
| if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { |
| code_offset &= ~0x1; |
| } |
| offsets_.insert(code_offset); |
| offsets_.insert(oat_method.GetMappingTableOffset()); |
| offsets_.insert(oat_method.GetVmapTableOffset()); |
| offsets_.insert(oat_method.GetNativeGcMapOffset()); |
| offsets_.insert(oat_method.GetInvokeStubOffset()); |
| } |
| |
| void DumpOatDexFile(std::ostream& os, 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_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::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_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_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::OatMethod& oat_method, const DexFile& dex_file, |
| uint32_t dex_method_idx, const DexFile::CodeItem* code_item) { |
| os << StringPrintf("\t%d: %s (dex_method_idx=%d)\n", |
| class_method_index, PrettyMethod(dex_method_idx, dex_file, true).c_str(), |
| dex_method_idx); |
| os << StringPrintf("\t\tframe_size_in_bytes: %zd\n", |
| oat_method.GetFrameSizeInBytes()); |
| os << StringPrintf("\t\tcore_spill_mask: 0x%08x", |
| oat_method.GetCoreSpillMask()); |
| DumpSpillMask(os, oat_method.GetCoreSpillMask(), false); |
| os << StringPrintf("\n\t\tfp_spill_mask: 0x%08x", |
| oat_method.GetFpSpillMask()); |
| DumpSpillMask(os, oat_method.GetFpSpillMask(), true); |
| os << StringPrintf("\n\t\tmapping_table: %p (offset=0x%08x)\n", |
| oat_method.GetMappingTable(), oat_method.GetMappingTableOffset()); |
| DumpMappingTable(os, oat_method); |
| os << StringPrintf("\t\tvmap_table: %p (offset=0x%08x)\n", |
| oat_method.GetVmapTable(), oat_method.GetVmapTableOffset()); |
| DumpVmap(os, oat_method.GetVmapTable(), oat_method.GetCoreSpillMask(), |
| oat_method.GetFpSpillMask()); |
| os << StringPrintf("\t\tgc_map: %p (offset=0x%08x)\n", |
| oat_method.GetNativeGcMap(), oat_method.GetNativeGcMapOffset()); |
| DumpGcMap(os, oat_method.GetCode(), oat_method.GetNativeGcMap()); |
| os << StringPrintf("\t\tCODE: %p (offset=0x%08x size=%d)%s\n", |
| oat_method.GetCode(), |
| oat_method.GetCodeOffset(), |
| oat_method.GetCodeSize(), |
| oat_method.GetCode() != NULL ? "..." : ""); |
| DumpCode(os, oat_method.GetCode(), oat_method.GetCodeSize(), oat_method.GetMappingTable(), |
| dex_file, code_item); |
| os << StringPrintf("\t\tINVOKE STUB: %p (offset=0x%08x size=%d)%s\n", |
| oat_method.GetInvokeStub(), |
| oat_method.GetInvokeStubOffset(), |
| oat_method.GetInvokeStubSize(), |
| oat_method.GetInvokeStub() != NULL ? "..." : ""); |
| DumpCode(os, reinterpret_cast<const void*>(oat_method.GetInvokeStub()), |
| oat_method.GetInvokeStubSize(), NULL, dex_file, NULL); |
| } |
| |
| void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { |
| if (spill_mask == 0) { |
| return; |
| } |
| os << " ("; |
| for (size_t i = 0; i < 32; i++) { |
| if ((spill_mask & (1 << i)) != 0) { |
| if (is_float) { |
| os << "fr" << i; |
| } else { |
| os << "r" << i; |
| } |
| spill_mask ^= 1 << i; // clear bit |
| if (spill_mask != 0) { |
| os << ", "; |
| } else { |
| break; |
| } |
| } |
| } |
| os << ")"; |
| } |
| |
| void DumpVmap(std::ostream& os, const uint16_t* raw_table, uint32_t core_spill_mask, |
| uint32_t fp_spill_mask) { |
| if (raw_table == NULL) { |
| return; |
| } |
| const VmapTable vmap_table(raw_table); |
| bool first = true; |
| os << "\t\t\t"; |
| for (size_t i = 0; i < vmap_table.size(); i++) { |
| uint16_t dex_reg = vmap_table[i]; |
| size_t matches = 0; |
| size_t spill_shifts = 0; |
| uint32_t spill_mask = core_spill_mask; |
| bool processing_fp = false; |
| while (matches != (i + 1)) { |
| if (spill_mask == 0) { |
| CHECK(!processing_fp); |
| spill_mask = fp_spill_mask; |
| processing_fp = true; |
| } |
| matches += spill_mask & 1; // Add 1 if the low bit is set |
| spill_mask >>= 1; |
| spill_shifts++; |
| } |
| size_t arm_reg = spill_shifts - 1; // wind back one as we want the last match |
| os << (first ? "v" : ", v") << dex_reg; |
| if (arm_reg < 16) { |
| os << "/r" << arm_reg; |
| } else { |
| os << "/fr" << (arm_reg - 16); |
| } |
| if (first) { |
| first = false; |
| } |
| } |
| os << "\n"; |
| } |
| |
| void DumpGcMap(std::ostream& os, const void* code, const uint8_t* gc_map_raw) { |
| if (gc_map_raw == NULL) { |
| return; |
| } |
| NativePcOffsetToReferenceMap map(gc_map_raw); |
| for (size_t entry = 0; entry < map.NumEntries(); entry++) { |
| const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(code) + |
| map.GetNativePcOffset(entry); |
| os << StringPrintf("\t\t\t%p", native_pc); |
| size_t num_regs = map.RegWidth() * 8; |
| const uint8_t* reg_bitmap = map.GetBitMap(entry); |
| bool first = true; |
| for (size_t reg = 0; reg < num_regs; reg++) { |
| if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { |
| if (first) { |
| os << " v" << reg; |
| first = false; |
| } else { |
| os << ", v" << reg; |
| } |
| } |
| } |
| os << "\n"; |
| } |
| } |
| |
| void DumpMappingTable(std::ostream& os, const OatFile::OatMethod& oat_method) { |
| const uint32_t* raw_table = oat_method.GetMappingTable(); |
| const void* code = oat_method.GetCode(); |
| if (raw_table == NULL || code == NULL) { |
| return; |
| } |
| |
| ++raw_table; |
| uint32_t length = *raw_table; |
| ++raw_table; |
| uint32_t pc_to_dex_entries = *raw_table; |
| ++raw_table; |
| |
| os << "\t\t{"; |
| for (size_t i = 0; i < length; i += 2) { |
| const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(code) + raw_table[i]; |
| uint32_t dex_pc = raw_table[i + 1]; |
| os << StringPrintf("%p -> 0x%04x", native_pc, dex_pc); |
| if (i + 2 == pc_to_dex_entries) { |
| // Separate the pc -> dex from dex -> pc sections |
| os << "}\n\t\t{"; |
| } else if (i + 2 < length) { |
| os << ", "; |
| } |
| } |
| os << "}\n" << std::flush; |
| } |
| |
| void DumpCode(std::ostream& os, const void* code, int code_size, |
| const uint32_t* raw_mapping_table, |
| const DexFile& dex_file, const DexFile::CodeItem* code_item) { |
| if (code == NULL || code_size == 0) { |
| return; |
| } |
| |
| const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(code); |
| const uint8_t* end_native_pc = native_pc + code_size; |
| |
| /* |
| * TODO: the mapping table is no longer useful for identifying Dalvik opcodes. This was |
| * a nice feature, so we ought to come up with another mechanism (at least when debugging). |
| * Keeping the old Dalvik disassembly code for reference. |
| */ |
| disassembler_->Dump(os, native_pc, end_native_pc); |
| (void)raw_mapping_table; |
| (void)dex_file; |
| (void)code_item; |
| |
| #if 0 |
| if (raw_mapping_table == NULL) { |
| // code but no mapping table is most likely caused by code created by the JNI compiler |
| disassembler_->Dump(os, native_pc, end_native_pc); |
| return; |
| } |
| |
| uint32_t length = *raw_mapping_table; |
| ++raw_mapping_table; |
| |
| for (size_t i = 0; i < length; i += 2) { |
| uint32_t dex_pc = raw_mapping_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* cur_pc = reinterpret_cast<const uint8_t*>(code) + raw_mapping_table[i]; |
| const uint8_t* cur_pc_end = NULL; |
| if (i + 2 < length) { |
| cur_pc_end = reinterpret_cast<const uint8_t*>(code) + raw_mapping_table[i + 2]; |
| } else { |
| cur_pc_end = end_native_pc; |
| } |
| CHECK(cur_pc < cur_pc_end); |
| disassembler_->Dump(os, cur_pc, cur_pc_end); |
| } |
| #endif |
| } |
| |
| const std::string host_prefix_; |
| const OatFile& oat_file_; |
| std::vector<const OatFile::OatDexFile*> oat_dex_files_; |
| std::set<uint32_t> offsets_; |
| UniquePtr<Disassembler> disassembler_; |
| }; |
| |
| class ImageDumper { |
| public: |
| explicit ImageDumper(std::ostream& os, const std::string& image_filename, |
| const std::string& host_prefix, Space& image_space, |
| const ImageHeader& image_header) |
| : os_(os), image_filename_(image_filename), host_prefix_(host_prefix), |
| image_space_(image_space), image_header_(image_header) {} |
| |
| void Dump() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 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_ << "OAT LOCATION:\n" << std::flush; |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| Object* oat_location_object = image_header_.GetImageRoot(ImageHeader::kOatLocation); |
| std::string oat_location(oat_location_object->AsString()->ToModifiedUtf8()); |
| 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"; |
| return; |
| } |
| os_ << "\n"; |
| |
| stats_.oat_file_bytes = oat_file->Size(); |
| |
| oat_dumper_.reset(new OatDumper(host_prefix_, *oat_file)); |
| |
| os_ << "OBJECTS:\n" << std::flush; |
| |
| // Loop through all the image spaces and dump their objects. |
| Heap* heap = Runtime::Current()->GetHeap(); |
| const Spaces& spaces = heap->GetSpaces(); |
| Thread* self = Thread::Current(); |
| { |
| WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); |
| heap->FlushAllocStack(); |
| } |
| ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); |
| // TODO: C++0x auto |
| for (Spaces::const_iterator it = spaces.begin(); it != spaces.end(); ++it) { |
| Space* space = *it; |
| if (space->IsImageSpace()) { |
| ImageSpace* image_space = space->AsImageSpace(); |
| image_space->GetLiveBitmap()->Walk(ImageDumper::Callback, this); |
| os_ << "\n"; |
| } |
| } |
| // Dump the large objects separately. |
| heap->GetLargeObjectsSpace()->GetLiveObjects()->Walk(ImageDumper::Callback, this); |
| os_ << "\n"; |
| |
| os_ << "STATS:\n" << std::flush; |
| UniquePtr<File> file(OS::OpenFile(image_filename_.c_str(), false)); |
| stats_.file_bytes = file->Length(); |
| size_t header_bytes = sizeof(ImageHeader); |
| stats_.header_bytes = header_bytes; |
| size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes; |
| stats_.alignment_bytes += alignment_bytes; |
| stats_.Dump(os_); |
| os_ << "\n"; |
| |
| os_ << std::flush; |
| |
| oat_dumper_->Dump(os_); |
| } |
| |
| private: |
| static void PrettyObjectValue(std::string& summary, Class* type, Object* value) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 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()) { |
| AbstractMethod* 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) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| FieldHelper fh(field); |
| const char* descriptor = fh.GetTypeDescriptor(); |
| StringAppendF(&summary, "\t%s: ", fh.GetName()); |
| if (descriptor[0] != 'L' && descriptor[0] != '[') { |
| Class* type = fh.GetType(); |
| 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 { |
| DCHECK(type->IsPrimitive()); |
| StringAppendF(&summary, "%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); |
| } |
| } else { |
| // Get the value, don't compute the type unless it is non-null as we don't want |
| // to cause class loading. |
| Object* value = field->GetObj(obj); |
| if (value == NULL) { |
| StringAppendF(&summary, "null %s\n", PrettyDescriptor(descriptor).c_str()); |
| } else { |
| PrettyObjectValue(summary, fh.GetType(), value); |
| } |
| } |
| } |
| |
| static void DumpFields(std::string& summary, Object* obj, Class* klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 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); |
| } |
| } |
| } |
| |
| bool InDumpSpace(const Object* object) { |
| return image_space_.Contains(object); |
| } |
| |
| const void* GetOatCodeBegin(AbstractMethod* m) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| Runtime* runtime = Runtime::Current(); |
| const void* code = m->GetCode(); |
| if (code == runtime->GetResolutionStubArray(Runtime::kStaticMethod)->GetData()) { |
| code = oat_dumper_->GetOatCode(m); |
| } |
| if (oat_dumper_->GetInstructionSet() == kThumb2) { |
| code = reinterpret_cast<void*>(reinterpret_cast<uint32_t>(code) & ~0x1); |
| } |
| return code; |
| } |
| |
| uint32_t GetOatCodeSize(AbstractMethod* m) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetOatCodeBegin(m)); |
| if (oat_code_begin == NULL) { |
| return 0; |
| } |
| return oat_code_begin[-1]; |
| } |
| |
| const void* GetOatCodeEnd(AbstractMethod* m) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetOatCodeBegin(m)); |
| if (oat_code_begin == NULL) { |
| return NULL; |
| } |
| return oat_code_begin + GetOatCodeSize(m); |
| } |
| |
| static void Callback(Object* obj, void* arg) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| DCHECK(obj != NULL); |
| DCHECK(arg != NULL); |
| ImageDumper* state = reinterpret_cast<ImageDumper*>(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, |
| PrintableString(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()) { |
| AbstractMethod* method = obj->AsMethod(); |
| if (method->IsNative()) { |
| DCHECK(method->GetNativeGcMap() == NULL) << PrettyMethod(method); |
| DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method); |
| bool first_occurrence; |
| size_t invoke_stub_size = state->ComputeOatSize( |
| reinterpret_cast<const void*>(method->GetInvokeStub()), &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.managed_to_native_code_bytes += invoke_stub_size; |
| } |
| const void* oat_code = state->GetOatCodeBegin(method); |
| uint32_t oat_code_size = state->GetOatCodeSize(method); |
| state->ComputeOatSize(oat_code, &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.native_to_managed_code_bytes += oat_code_size; |
| } |
| if (oat_code != method->GetCode()) { |
| StringAppendF(&summary, "\t\tOAT CODE: %p\n", oat_code); |
| } |
| } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || |
| method->IsResolutionMethod()) { |
| DCHECK(method->GetNativeGcMap() == NULL) << PrettyMethod(method); |
| DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method); |
| } else { |
| #if !defined(ART_USE_LLVM_COMPILER) |
| DCHECK(method->GetNativeGcMap() != NULL) << PrettyMethod(method); |
| #endif |
| |
| 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; |
| |
| bool first_occurrence; |
| size_t gc_map_bytes = state->ComputeOatSize(method->GetNativeGcMap(), &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.gc_map_bytes += gc_map_bytes; |
| } |
| |
| size_t pc_mapping_table_bytes = |
| state->ComputeOatSize(method->GetMappingTableRaw(), &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; |
| } |
| |
| size_t vmap_table_bytes = |
| state->ComputeOatSize(method->GetVmapTableRaw(), &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.vmap_table_bytes += vmap_table_bytes; |
| } |
| |
| // TODO: compute invoke stub using length from oat file. |
| size_t invoke_stub_size = state->ComputeOatSize( |
| reinterpret_cast<const void*>(method->GetInvokeStub()), &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.native_to_managed_code_bytes += invoke_stub_size; |
| } |
| const void* oat_code_begin = state->GetOatCodeBegin(method); |
| const void* oat_code_end = state->GetOatCodeEnd(method); |
| uint32_t oat_code_size = state->GetOatCodeSize(method); |
| state->ComputeOatSize(oat_code_begin, &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.managed_code_bytes += oat_code_size; |
| if (method->IsConstructor()) { |
| if (method->IsStatic()) { |
| state->stats_.class_initializer_code_bytes += oat_code_size; |
| } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { |
| state->stats_.large_initializer_code_bytes += oat_code_size; |
| } |
| } else if (dex_instruction_bytes > kLargeMethodDexBytes) { |
| state->stats_.large_method_code_bytes += oat_code_size; |
| } |
| } |
| state->stats_.managed_code_bytes_ignoring_deduplication += oat_code_size; |
| |
| StringAppendF(&summary, "\t\tOAT CODE: %p-%p\n", oat_code_begin, oat_code_end); |
| StringAppendF(&summary, "\t\tSIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n", |
| dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes); |
| |
| size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + |
| vmap_table_bytes + invoke_stub_size + oat_code_size + object_bytes; |
| |
| double expansion = |
| static_cast<double>(oat_code_size) / static_cast<double>(dex_instruction_bytes); |
| state->stats_.ComputeOutliers(total_size, expansion, method); |
| } |
| } |
| state->stats_.Update(ClassHelper(obj_class).GetDescriptor(), object_bytes); |
| |
| state->os_ << summary << std::flush; |
| } |
| |
| std::set<const void*> already_seen_; |
| // Compute the size of the given data within the oat file and whether this is the first time |
| // this data has been requested |
| size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { |
| if (already_seen_.count(oat_data) == 0) { |
| *first_occurrence = true; |
| already_seen_.insert(oat_data); |
| } else { |
| *first_occurrence = false; |
| } |
| return oat_dumper_->ComputeSize(oat_data); |
| } |
| |
| public: |
| struct Stats { |
| size_t oat_file_bytes; |
| size_t file_bytes; |
| |
| size_t header_bytes; |
| size_t object_bytes; |
| size_t alignment_bytes; |
| |
| size_t managed_code_bytes; |
| size_t managed_code_bytes_ignoring_deduplication; |
| size_t managed_to_native_code_bytes; |
| size_t native_to_managed_code_bytes; |
| size_t class_initializer_code_bytes; |
| size_t large_initializer_code_bytes; |
| size_t large_method_code_bytes; |
| |
| size_t gc_map_bytes; |
| size_t pc_mapping_table_bytes; |
| size_t vmap_table_bytes; |
| |
| size_t dex_instruction_bytes; |
| |
| std::vector<AbstractMethod*> method_outlier; |
| std::vector<size_t> method_outlier_size; |
| std::vector<double> method_outlier_expansion; |
| |
| explicit Stats() |
| : oat_file_bytes(0), |
| file_bytes(0), |
| header_bytes(0), |
| object_bytes(0), |
| alignment_bytes(0), |
| managed_code_bytes(0), |
| managed_code_bytes_ignoring_deduplication(0), |
| managed_to_native_code_bytes(0), |
| native_to_managed_code_bytes(0), |
| class_initializer_code_bytes(0), |
| large_initializer_code_bytes(0), |
| large_method_code_bytes(0), |
| gc_map_bytes(0), |
| pc_mapping_table_bytes(0), |
| vmap_table_bytes(0), |
| dex_instruction_bytes(0) {} |
| |
| struct SizeAndCount { |
| SizeAndCount(size_t bytes, size_t count) : bytes(bytes), count(count) {} |
| size_t bytes; |
| size_t count; |
| }; |
| typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; |
| SizeAndCountTable sizes_and_counts; |
| |
| void Update(const std::string& descriptor, size_t object_bytes) { |
| SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); |
| if (it != sizes_and_counts.end()) { |
| it->second.bytes += object_bytes; |
| it->second.count += 1; |
| } else { |
| sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes, 1)); |
| } |
| } |
| |
| double PercentOfOatBytes(size_t size) { |
| return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; |
| } |
| |
| 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 ComputeOutliers(size_t total_size, double expansion, AbstractMethod* method) { |
| method_outlier_size.push_back(total_size); |
| method_outlier_expansion.push_back(expansion); |
| method_outlier.push_back(method); |
| } |
| |
| void DumpOutliers(std::ostream& os) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| size_t sum_of_sizes = 0; |
| size_t sum_of_sizes_squared = 0; |
| size_t sum_of_expansion = 0; |
| size_t sum_of_expansion_squared = 0; |
| size_t n = method_outlier_size.size(); |
| for (size_t i = 0; i < n; i++) { |
| size_t cur_size = method_outlier_size[i]; |
| sum_of_sizes += cur_size; |
| sum_of_sizes_squared += cur_size * cur_size; |
| double cur_expansion = method_outlier_expansion[i]; |
| sum_of_expansion += cur_expansion; |
| sum_of_expansion_squared += cur_expansion * cur_expansion; |
| } |
| size_t size_mean = sum_of_sizes / n; |
| size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); |
| double expansion_mean = sum_of_expansion / n; |
| double expansion_variance = |
| (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); |
| |
| // Dump methods whose size is a certain number of standard deviations from the mean |
| size_t dumped_values = 0; |
| size_t skipped_values = 0; |
| for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations |
| size_t cur_size_variance = i * i * size_variance; |
| bool first = true; |
| for (size_t j = 0; j < n; j++) { |
| size_t cur_size = method_outlier_size[j]; |
| if (cur_size > size_mean) { |
| size_t cur_var = cur_size - size_mean; |
| cur_var = cur_var * cur_var; |
| if (cur_var > cur_size_variance) { |
| if (dumped_values > 20) { |
| if (i == 1) { |
| skipped_values++; |
| } else { |
| i = 2; // jump to counting for 1 standard deviation |
| break; |
| } |
| } else { |
| if (first) { |
| os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; |
| first = false; |
| } |
| os << "\t" << PrettyMethod(method_outlier[j]) << " requires storage of " |
| << PrettySize(cur_size) << "\n"; |
| method_outlier_size[j] = 0; // don't consider this method again |
| dumped_values++; |
| } |
| } |
| } |
| } |
| } |
| if (skipped_values > 0) { |
| os << "\t... skipped " << skipped_values |
| << " methods with size > 1 standard deviation from the norm\n"; |
| } |
| os << std::flush; |
| |
| // Dump methods whose expansion is a certain number of standard deviations from the mean |
| dumped_values = 0; |
| skipped_values = 0; |
| for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations |
| double cur_expansion_variance = i * i * expansion_variance; |
| bool first = true; |
| for (size_t j = 0; j < n; j++) { |
| double cur_expansion = method_outlier_expansion[j]; |
| if (cur_expansion > expansion_mean) { |
| size_t cur_var = cur_expansion - expansion_mean; |
| cur_var = cur_var * cur_var; |
| if (cur_var > cur_expansion_variance) { |
| if (dumped_values > 20) { |
| if (i == 1) { |
| skipped_values++; |
| } else { |
| i = 2; // jump to counting for 1 standard deviation |
| break; |
| } |
| } else { |
| if (first) { |
| os << "\nLarge expansion methods (size > " << i |
| << " standard deviations the norm):\n"; |
| first = false; |
| } |
| os << "\t" << PrettyMethod(method_outlier[j]) << " expanded code by " |
| << cur_expansion << "\n"; |
| method_outlier_expansion[j] = 0.0; // don't consider this method again |
| dumped_values++; |
| } |
| } |
| } |
| } |
| } |
| if (skipped_values > 0) { |
| os << "\t... skipped " << skipped_values |
| << " methods with expansion > 1 standard deviation from the norm\n"; |
| } |
| os << "\n" << std::flush; |
| } |
| |
| void Dump(std::ostream& os) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| os << "\tart_file_bytes = " << PrettySize(file_bytes) << "\n\n" |
| << "\tart_file_bytes = header_bytes + object_bytes + alignment_bytes\n" |
| << StringPrintf("\theader_bytes = %8zd (%2.0f%% of art file bytes)\n" |
| "\tobject_bytes = %8zd (%2.0f%% of art file bytes)\n" |
| "\talignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", |
| header_bytes, PercentOfFileBytes(header_bytes), |
| object_bytes, PercentOfFileBytes(object_bytes), |
| alignment_bytes, PercentOfFileBytes(alignment_bytes)) |
| << std::flush; |
| |
| CHECK_EQ(file_bytes, header_bytes + object_bytes + alignment_bytes); |
| |
| os << "\tobject_bytes breakdown:\n"; |
| size_t object_bytes_total = 0; |
| typedef SizeAndCountTable::const_iterator It; // TODO: C++0x auto |
| for (It it = sizes_and_counts.begin(), end = sizes_and_counts.end(); it != end; ++it) { |
| const std::string& descriptor(it->first); |
| double average = static_cast<double>(it->second.bytes) / static_cast<double>(it->second.count); |
| double percent = PercentOfObjectBytes(it->second.bytes); |
| os << StringPrintf("\t%32s %8zd bytes %6zd instances " |
| "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", |
| descriptor.c_str(), it->second.bytes, it->second.count, |
| average, percent); |
| object_bytes_total += it->second.bytes; |
| } |
| os << "\n" << std::flush; |
| CHECK_EQ(object_bytes, object_bytes_total); |
| |
| os << StringPrintf("\tmanaged_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" |
| "\tmanaged_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" |
| "\tnative_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" |
| "\tclass_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" |
| "\tlarge_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" |
| "\tlarge_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", |
| managed_code_bytes, PercentOfOatBytes(managed_code_bytes), |
| managed_to_native_code_bytes, PercentOfOatBytes(managed_to_native_code_bytes), |
| native_to_managed_code_bytes, PercentOfOatBytes(native_to_managed_code_bytes), |
| class_initializer_code_bytes, PercentOfOatBytes(class_initializer_code_bytes), |
| large_initializer_code_bytes, PercentOfOatBytes(large_initializer_code_bytes), |
| large_method_code_bytes, PercentOfOatBytes(large_method_code_bytes)) |
| << std::flush; |
| |
| os << StringPrintf("\tgc_map_bytes = %7zd (%2.0f%% of oat file_bytes)\n" |
| "\tpc_mapping_table_bytes = %7zd (%2.0f%% of oat file_bytes)\n" |
| "\tvmap_table_bytes = %7zd (%2.0f%% of oat file_bytes)\n\n", |
| gc_map_bytes, PercentOfOatBytes(gc_map_bytes), |
| pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), |
| vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) |
| << std::flush; |
| |
| os << StringPrintf("\tdex_instruction_bytes = %zd\n", dex_instruction_bytes) |
| << StringPrintf("\tmanaged_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", |
| static_cast<double>(managed_code_bytes) / static_cast<double>(dex_instruction_bytes), |
| static_cast<double>(managed_code_bytes_ignoring_deduplication) / |
| static_cast<double>(dex_instruction_bytes)) |
| << std::flush; |
| |
| DumpOutliers(os); |
| } |
| } stats_; |
| |
| private: |
| enum { |
| // Number of bytes for a constructor to be considered large. Based on the 1000 basic block |
| // threshold, we assume 2 bytes per instruction and 2 instructions per block. |
| kLargeConstructorDexBytes = 4000, |
| // Number of bytes for a method to be considered large. Based on the 4000 basic block |
| // threshold, we assume 2 bytes per instruction and 2 instructions per block. |
| kLargeMethodDexBytes = 16000 |
| }; |
| UniquePtr<OatDumper> oat_dumper_; |
| std::ostream& os_; |
| const std::string image_filename_; |
| const std::string host_prefix_; |
| Space& image_space_; |
| const ImageHeader& image_header_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ImageDumper); |
| }; |
| |
| static int oatdump(int argc, char** argv) { |
| InitLogging(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 elf_filename_prefix; |
| UniquePtr<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.reset(new std::string(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 (host_prefix.get() == NULL) { |
| const char* android_product_out = getenv("ANDROID_PRODUCT_OUT"); |
| if (android_product_out != NULL) { |
| host_prefix.reset(new std::string(android_product_out)); |
| } else { |
| host_prefix.reset(new std::string("")); |
| } |
| } |
| |
| if (oat_filename != NULL) { |
| OatFile* oat_file = |
| OatFile::Open(oat_filename, oat_filename, NULL, OatFile::kRelocNone); |
| if (oat_file == NULL) { |
| fprintf(stderr, "Failed to open oat file from %s\n", oat_filename); |
| return EXIT_FAILURE; |
| } |
| OatDumper oat_dumper(*host_prefix.get(), *oat_file); |
| oat_dumper.Dump(*os); |
| 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()) { |
| options.push_back(std::make_pair("host-prefix", host_prefix->c_str())); |
| } |
| |
| if (!Runtime::Create(options, false)) { |
| fprintf(stderr, "Failed to create runtime\n"); |
| return EXIT_FAILURE; |
| } |
| UniquePtr<Runtime> runtime(Runtime::Current()); |
| // Runtime::Create acquired the mutator_lock_ that is normally given away when we Runtime::Start, |
| // give it away now and then switch to a more managable ScopedObjectAccess. |
| Thread::Current()->TransitionFromRunnableToSuspended(kNative); |
| ScopedObjectAccess soa(Thread::Current()); |
| |
| Heap* heap = Runtime::Current()->GetHeap(); |
| ImageSpace* image_space = heap->GetImageSpace(); |
| 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; |
| } |
| ImageDumper image_dumper(*os, image_filename, *host_prefix.get(), *image_space, image_header); |
| image_dumper.Dump(); |
| return EXIT_SUCCESS; |
| } |
| |
| } // namespace art |
| |
| int main(int argc, char** argv) { |
| return art::oatdump(argc, argv); |
| } |