| /* |
| * 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 "base/stringpiece.h" |
| #include "base/unix_file/fd_file.h" |
| #include "class_linker.h" |
| #include "class_linker-inl.h" |
| #include "dex_file-inl.h" |
| #include "dex_instruction.h" |
| #include "disassembler.h" |
| #include "field_helper.h" |
| #include "gc_map.h" |
| #include "gc/space/image_space.h" |
| #include "gc/space/large_object_space.h" |
| #include "gc/space/space-inl.h" |
| #include "image.h" |
| #include "indenter.h" |
| #include "mapping_table.h" |
| #include "mirror/art_field-inl.h" |
| #include "mirror/art_method-inl.h" |
| #include "mirror/array-inl.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/object-inl.h" |
| #include "mirror/object_array-inl.h" |
| #include "noop_compiler_callbacks.h" |
| #include "oat.h" |
| #include "oat_file-inl.h" |
| #include "os.h" |
| #include "runtime.h" |
| #include "safe_map.h" |
| #include "scoped_thread_state_change.h" |
| #include "thread_list.h" |
| #include "verifier/dex_gc_map.h" |
| #include "verifier/method_verifier.h" |
| #include "vmap_table.h" |
| |
| namespace art { |
| |
| static void usage() { |
| fprintf(stderr, |
| "Usage: oatdump [options] ...\n" |
| " Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art\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: --oat-file=/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, |
| " --instruction-set=(arm|arm64|mips|x86|x86_64): for locating the image file based on the image location\n" |
| " set.\n" |
| " Example: --instruction-set=x86\n" |
| " Default: %s\n" |
| "\n", |
| GetInstructionSetString(kRuntimeISA)); |
| fprintf(stderr, |
| " --output=<file> may be used to send the output to a file.\n" |
| " Example: --output=/tmp/oatdump.txt\n" |
| "\n"); |
| fprintf(stderr, |
| " --dump:[raw_mapping_table|raw_gc_map]\n" |
| " Example: --dump:raw_gc_map\n" |
| " Default: neither\n" |
| "\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| const char* image_roots_descriptions_[] = { |
| "kResolutionMethod", |
| "kImtConflictMethod", |
| "kDefaultImt", |
| "kCalleeSaveMethod", |
| "kRefsOnlySaveMethod", |
| "kRefsAndArgsSaveMethod", |
| "kDexCaches", |
| "kClassRoots", |
| }; |
| |
| class OatDumper { |
| public: |
| explicit OatDumper(const OatFile& oat_file, bool dump_raw_mapping_table, bool dump_raw_gc_map) |
| : oat_file_(oat_file), |
| oat_dex_files_(oat_file.GetOatDexFiles()), |
| dump_raw_mapping_table_(dump_raw_mapping_table), |
| dump_raw_gc_map_(dump_raw_gc_map), |
| 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 << "INSTRUCTION SET FEATURES:\n"; |
| os << oat_header.GetInstructionSetFeatures().GetFeatureString() << "\n\n"; |
| |
| os << "DEX FILE COUNT:\n"; |
| os << oat_header.GetDexFileCount() << "\n\n"; |
| |
| #define DUMP_OAT_HEADER_OFFSET(label, offset) \ |
| os << label " OFFSET:\n"; \ |
| os << StringPrintf("0x%08x", oat_header.offset()); \ |
| if (oat_header.offset() != 0) { \ |
| os << StringPrintf(" (%p)", oat_file_.Begin() + oat_header.offset()); \ |
| } \ |
| os << StringPrintf("\n\n"); |
| |
| DUMP_OAT_HEADER_OFFSET("EXECUTABLE", GetExecutableOffset); |
| DUMP_OAT_HEADER_OFFSET("INTERPRETER TO INTERPRETER BRIDGE", |
| GetInterpreterToInterpreterBridgeOffset); |
| DUMP_OAT_HEADER_OFFSET("INTERPRETER TO COMPILED CODE BRIDGE", |
| GetInterpreterToCompiledCodeBridgeOffset); |
| DUMP_OAT_HEADER_OFFSET("JNI DLSYM LOOKUP", |
| GetJniDlsymLookupOffset); |
| DUMP_OAT_HEADER_OFFSET("PORTABLE IMT CONFLICT TRAMPOLINE", |
| GetPortableImtConflictTrampolineOffset); |
| DUMP_OAT_HEADER_OFFSET("PORTABLE RESOLUTION TRAMPOLINE", |
| GetPortableResolutionTrampolineOffset); |
| DUMP_OAT_HEADER_OFFSET("PORTABLE TO INTERPRETER BRIDGE", |
| GetPortableToInterpreterBridgeOffset); |
| DUMP_OAT_HEADER_OFFSET("QUICK GENERIC JNI TRAMPOLINE", |
| GetQuickGenericJniTrampolineOffset); |
| DUMP_OAT_HEADER_OFFSET("QUICK IMT CONFLICT TRAMPOLINE", |
| GetQuickImtConflictTrampolineOffset); |
| DUMP_OAT_HEADER_OFFSET("QUICK RESOLUTION TRAMPOLINE", |
| GetQuickResolutionTrampolineOffset); |
| DUMP_OAT_HEADER_OFFSET("QUICK TO INTERPRETER BRIDGE", |
| GetQuickToInterpreterBridgeOffset); |
| #undef DUMP_OAT_HEADER_OFFSET |
| |
| os << "IMAGE PATCH DELTA:\n" << oat_header.GetImagePatchDelta(); |
| |
| os << "IMAGE FILE LOCATION OAT CHECKSUM:\n"; |
| os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatChecksum()); |
| |
| os << "IMAGE FILE LOCATION OAT BEGIN:\n"; |
| os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatDataBegin()); |
| |
| // Print the key-value store. |
| { |
| os << "KEY VALUE STORE:\n"; |
| size_t index = 0; |
| const char* key; |
| const char* value; |
| while (oat_header.GetStoreKeyValuePairByIndex(index, &key, &value)) { |
| os << key << " = " << value << "\n"; |
| index++; |
| } |
| os << "\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 |
| } |
| uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - |
| reinterpret_cast<uintptr_t>(oat_file_.Begin()); |
| auto it = offsets_.upper_bound(begin_offset); |
| CHECK(it != offsets_.end()); |
| uintptr_t end_offset = *it; |
| return end_offset - begin_offset; |
| } |
| |
| InstructionSet GetInstructionSet() { |
| return oat_file_.GetOatHeader().GetInstructionSet(); |
| } |
| |
| const void* GetQuickOatCode(mirror::ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 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 != nullptr); |
| std::string error_msg; |
| std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); |
| if (dex_file.get() == nullptr) { |
| LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() |
| << "': " << error_msg; |
| } else { |
| const DexFile::ClassDef* class_def = |
| dex_file->FindClassDef(m->GetDeclaringClassDescriptor()); |
| if (class_def != NULL) { |
| uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); |
| const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); |
| size_t method_index = m->GetMethodIndex(); |
| return oat_class.GetOatMethod(method_index).GetQuickCode(); |
| } |
| } |
| } |
| 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); |
| std::string error_msg; |
| std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); |
| if (dex_file.get() == nullptr) { |
| LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() |
| << "': " << error_msg; |
| continue; |
| } |
| offsets_.insert(reinterpret_cast<uintptr_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); |
| 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(oat_file_.Size()); |
| } |
| |
| 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()); |
| } |
| |
| 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()); |
| |
| // Create the verifier early. |
| |
| std::string error_msg; |
| std::unique_ptr<const DexFile> dex_file(oat_dex_file.OpenDexFile(&error_msg)); |
| if (dex_file.get() == NULL) { |
| os << "NOT FOUND: " << error_msg << "\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); |
| const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); |
| os << StringPrintf("%zd: %s (type_idx=%d)", class_def_index, descriptor, class_def.class_idx_) |
| << " (" << oat_class.GetStatus() << ")" |
| << " (" << oat_class.GetType() << ")\n"; |
| // TODO: include bitmap here if type is kOatClassSomeCompiled? |
| Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); |
| std::ostream indented_os(&indent_filter); |
| DumpOatClass(indented_os, oat_class, *(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_idx = 0; |
| while (it.HasNextDirectMethod()) { |
| const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); |
| DumpOatMethod(os, class_def, class_method_idx, oat_method, dex_file, |
| it.GetMemberIndex(), it.GetMethodCodeItem(), it.GetMemberAccessFlags()); |
| class_method_idx++; |
| it.Next(); |
| } |
| while (it.HasNextVirtualMethod()) { |
| const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); |
| DumpOatMethod(os, class_def, class_method_idx, oat_method, dex_file, |
| it.GetMemberIndex(), it.GetMethodCodeItem(), it.GetMemberAccessFlags()); |
| class_method_idx++; |
| it.Next(); |
| } |
| DCHECK(!it.HasNext()); |
| os << std::flush; |
| } |
| |
| void DumpOatMethod(std::ostream& os, const DexFile::ClassDef& class_def, |
| uint32_t class_method_index, |
| const OatFile::OatMethod& oat_method, const DexFile& dex_file, |
| uint32_t dex_method_idx, const DexFile::CodeItem* code_item, |
| uint32_t method_access_flags) { |
| os << StringPrintf("%d: %s (dex_method_idx=%d)\n", |
| class_method_index, PrettyMethod(dex_method_idx, dex_file, true).c_str(), |
| dex_method_idx); |
| Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); |
| std::unique_ptr<std::ostream> indent1_os(new std::ostream(&indent1_filter)); |
| Indenter indent2_filter(indent1_os->rdbuf(), kIndentChar, kIndentBy1Count); |
| std::unique_ptr<std::ostream> indent2_os(new std::ostream(&indent2_filter)); |
| { |
| *indent1_os << "DEX CODE:\n"; |
| DumpDexCode(*indent2_os, dex_file, code_item); |
| } |
| if (Runtime::Current() != NULL) { |
| *indent1_os << "VERIFIER TYPE ANALYSIS:\n"; |
| DumpVerifier(*indent2_os, dex_method_idx, &dex_file, class_def, code_item, |
| method_access_flags); |
| } |
| { |
| *indent1_os << "OAT DATA:\n"; |
| |
| *indent2_os << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); |
| *indent2_os << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); |
| DumpSpillMask(*indent2_os, oat_method.GetCoreSpillMask(), false); |
| *indent2_os << StringPrintf("\nfp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); |
| DumpSpillMask(*indent2_os, oat_method.GetFpSpillMask(), true); |
| *indent2_os << StringPrintf("\nvmap_table: %p (offset=0x%08x)\n", |
| oat_method.GetVmapTable(), oat_method.GetVmapTableOffset()); |
| DumpVmap(*indent2_os, oat_method); |
| *indent2_os << StringPrintf("mapping_table: %p (offset=0x%08x)\n", |
| oat_method.GetMappingTable(), oat_method.GetMappingTableOffset()); |
| if (dump_raw_mapping_table_) { |
| Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); |
| std::ostream indent3_os(&indent3_filter); |
| DumpMappingTable(indent3_os, oat_method); |
| } |
| *indent2_os << StringPrintf("gc_map: %p (offset=0x%08x)\n", |
| oat_method.GetNativeGcMap(), oat_method.GetNativeGcMapOffset()); |
| if (dump_raw_gc_map_) { |
| Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); |
| std::ostream indent3_os(&indent3_filter); |
| DumpGcMap(indent3_os, oat_method, code_item); |
| } |
| } |
| { |
| const void* code = oat_method.GetQuickCode(); |
| uint32_t code_size = oat_method.GetQuickCodeSize(); |
| if (code == nullptr) { |
| code = oat_method.GetPortableCode(); |
| code_size = oat_method.GetPortableCodeSize(); |
| } |
| *indent1_os << StringPrintf("CODE: %p (offset=0x%08x size=%d)%s\n", |
| code, |
| oat_method.GetCodeOffset(), |
| code_size, |
| code != nullptr ? "..." : ""); |
| |
| Runtime* runtime = Runtime::Current(); |
| if (runtime != nullptr) { |
| ScopedObjectAccess soa(Thread::Current()); |
| StackHandleScope<1> hs(soa.Self()); |
| Handle<mirror::DexCache> dex_cache( |
| hs.NewHandle(runtime->GetClassLinker()->FindDexCache(dex_file))); |
| verifier::MethodVerifier verifier(&dex_file, dex_cache, NullHandle<mirror::ClassLoader>(), |
| &class_def, code_item, dex_method_idx, |
| NullHandle<mirror::ArtMethod>(), method_access_flags, |
| true, true, true); |
| verifier.Verify(); |
| DumpCode(*indent2_os, &verifier, oat_method, code_item); |
| } else { |
| DumpCode(*indent2_os, nullptr, oat_method, code_item); |
| } |
| } |
| } |
| |
| 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 OatFile::OatMethod& oat_method) { |
| const uint8_t* raw_table = oat_method.GetVmapTable(); |
| if (raw_table != NULL) { |
| const VmapTable vmap_table(raw_table); |
| bool first = true; |
| bool processing_fp = false; |
| uint32_t spill_mask = oat_method.GetCoreSpillMask(); |
| for (size_t i = 0; i < vmap_table.Size(); i++) { |
| uint16_t dex_reg = vmap_table[i]; |
| uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, |
| processing_fp ? kFloatVReg : kIntVReg); |
| os << (first ? "v" : ", v") << dex_reg; |
| if (!processing_fp) { |
| os << "/r" << cpu_reg; |
| } else { |
| os << "/fr" << cpu_reg; |
| } |
| first = false; |
| if (!processing_fp && dex_reg == 0xFFFF) { |
| processing_fp = true; |
| spill_mask = oat_method.GetFpSpillMask(); |
| } |
| } |
| os << "\n"; |
| } |
| } |
| |
| void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, |
| const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { |
| const uint8_t* raw_table = oat_method.GetVmapTable(); |
| if (raw_table != NULL) { |
| const VmapTable vmap_table(raw_table); |
| uint32_t vmap_offset; |
| if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { |
| bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); |
| uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() |
| : oat_method.GetCoreSpillMask(); |
| os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); |
| } else { |
| uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), |
| oat_method.GetFpSpillMask(), |
| oat_method.GetFrameSizeInBytes(), reg, |
| GetInstructionSet()); |
| os << "[sp + #" << offset << "]"; |
| } |
| } |
| } |
| |
| void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, |
| const DexFile::CodeItem* code_item, |
| size_t num_regs, const uint8_t* reg_bitmap) { |
| 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 << " ("; |
| DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); |
| os << ")"; |
| first = false; |
| } else { |
| os << ", v" << reg << " ("; |
| DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); |
| os << ")"; |
| } |
| } |
| } |
| if (first) { |
| os << "No registers in GC map\n"; |
| } else { |
| os << "\n"; |
| } |
| } |
| void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, |
| const DexFile::CodeItem* code_item) { |
| const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); |
| if (gc_map_raw == nullptr) { |
| return; // No GC map. |
| } |
| const void* quick_code = oat_method.GetQuickCode(); |
| if (quick_code != nullptr) { |
| NativePcOffsetToReferenceMap map(gc_map_raw); |
| for (size_t entry = 0; entry < map.NumEntries(); entry++) { |
| const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + |
| map.GetNativePcOffset(entry); |
| os << StringPrintf("%p", native_pc); |
| DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); |
| } |
| } else { |
| const void* portable_code = oat_method.GetPortableCode(); |
| CHECK(portable_code != nullptr); |
| verifier::DexPcToReferenceMap map(gc_map_raw); |
| for (size_t entry = 0; entry < map.NumEntries(); entry++) { |
| uint32_t dex_pc = map.GetDexPc(entry); |
| os << StringPrintf("0x%08x", dex_pc); |
| DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); |
| } |
| } |
| } |
| |
| void DumpMappingTable(std::ostream& os, const OatFile::OatMethod& oat_method) { |
| const void* quick_code = oat_method.GetQuickCode(); |
| if (quick_code == nullptr) { |
| return; |
| } |
| MappingTable table(oat_method.GetMappingTable()); |
| if (table.TotalSize() != 0) { |
| Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); |
| std::ostream indent_os(&indent_filter); |
| if (table.PcToDexSize() != 0) { |
| typedef MappingTable::PcToDexIterator It; |
| os << "suspend point mappings {\n"; |
| for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { |
| indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); |
| } |
| os << "}\n"; |
| } |
| if (table.DexToPcSize() != 0) { |
| typedef MappingTable::DexToPcIterator It; |
| os << "catch entry mappings {\n"; |
| for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { |
| indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); |
| } |
| os << "}\n"; |
| } |
| } |
| } |
| |
| uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, |
| size_t offset, bool suspend_point_mapping) { |
| MappingTable table(oat_method.GetMappingTable()); |
| if (suspend_point_mapping && table.PcToDexSize() > 0) { |
| typedef MappingTable::PcToDexIterator It; |
| for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { |
| if (offset == cur.NativePcOffset()) { |
| os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); |
| return cur.DexPc(); |
| } |
| } |
| } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { |
| typedef MappingTable::DexToPcIterator It; |
| for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { |
| if (offset == cur.NativePcOffset()) { |
| os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); |
| return cur.DexPc(); |
| } |
| } |
| } |
| return DexFile::kDexNoIndex; |
| } |
| |
| void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, |
| const DexFile::CodeItem* code_item, size_t native_pc_offset) { |
| const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); |
| if (gc_map_raw != NULL) { |
| NativePcOffsetToReferenceMap map(gc_map_raw); |
| if (map.HasEntry(native_pc_offset)) { |
| size_t num_regs = map.RegWidth() * 8; |
| const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); |
| bool first = true; |
| for (size_t reg = 0; reg < num_regs; reg++) { |
| if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { |
| if (first) { |
| os << "GC map objects: v" << reg << " ("; |
| DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); |
| os << ")"; |
| first = false; |
| } else { |
| os << ", v" << reg << " ("; |
| DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); |
| os << ")"; |
| } |
| } |
| } |
| if (!first) { |
| os << "\n"; |
| } |
| } |
| } |
| } |
| |
| void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, |
| const OatFile::OatMethod& oat_method, |
| const DexFile::CodeItem* code_item, uint32_t dex_pc) { |
| DCHECK(verifier != nullptr); |
| std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); |
| bool first = true; |
| for (size_t reg = 0; reg < code_item->registers_size_; reg++) { |
| VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); |
| if (kind != kUndefined) { |
| if (first) { |
| os << "VRegs: v"; |
| first = false; |
| } else { |
| os << ", v"; |
| } |
| os << reg << " ("; |
| switch (kind) { |
| case kImpreciseConstant: |
| os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; |
| DescribeVReg(os, oat_method, code_item, reg, kind); |
| break; |
| case kConstant: |
| os << "Constant: " << kinds.at((reg * 2) + 1); |
| break; |
| default: |
| DescribeVReg(os, oat_method, code_item, reg, kind); |
| break; |
| } |
| os << ")"; |
| } |
| } |
| if (!first) { |
| os << "\n"; |
| } |
| } |
| |
| |
| void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { |
| if (code_item != NULL) { |
| size_t i = 0; |
| while (i < code_item->insns_size_in_code_units_) { |
| const Instruction* instruction = Instruction::At(&code_item->insns_[i]); |
| os << StringPrintf("0x%04zx: %s\n", i, instruction->DumpString(&dex_file).c_str()); |
| i += instruction->SizeInCodeUnits(); |
| } |
| } |
| } |
| |
| void DumpVerifier(std::ostream& os, uint32_t dex_method_idx, const DexFile* dex_file, |
| const DexFile::ClassDef& class_def, const DexFile::CodeItem* code_item, |
| uint32_t method_access_flags) { |
| if ((method_access_flags & kAccNative) == 0) { |
| ScopedObjectAccess soa(Thread::Current()); |
| StackHandleScope<1> hs(soa.Self()); |
| Handle<mirror::DexCache> dex_cache( |
| hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(*dex_file))); |
| verifier::MethodVerifier::VerifyMethodAndDump(os, dex_method_idx, dex_file, dex_cache, |
| NullHandle<mirror::ClassLoader>(), &class_def, |
| code_item, NullHandle<mirror::ArtMethod>(), |
| method_access_flags); |
| } |
| } |
| |
| void DumpCode(std::ostream& os, verifier::MethodVerifier* verifier, |
| const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item) { |
| const void* portable_code = oat_method.GetPortableCode(); |
| const void* quick_code = oat_method.GetQuickCode(); |
| |
| size_t code_size = oat_method.GetQuickCodeSize(); |
| if ((code_size == 0) || ((portable_code == nullptr) && (quick_code == nullptr))) { |
| os << "NO CODE!\n"; |
| return; |
| } else if (quick_code != nullptr) { |
| const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); |
| size_t offset = 0; |
| while (offset < code_size) { |
| DumpMappingAtOffset(os, oat_method, offset, false); |
| offset += disassembler_->Dump(os, quick_native_pc + offset); |
| uint32_t dex_pc = DumpMappingAtOffset(os, oat_method, offset, true); |
| if (dex_pc != DexFile::kDexNoIndex) { |
| DumpGcMapAtNativePcOffset(os, oat_method, code_item, offset); |
| if (verifier != nullptr) { |
| DumpVRegsAtDexPc(os, verifier, oat_method, code_item, dex_pc); |
| } |
| } |
| } |
| } else { |
| CHECK(portable_code != nullptr); |
| CHECK_EQ(code_size, 0U); // TODO: disassembly of portable is currently not supported. |
| } |
| } |
| |
| const OatFile& oat_file_; |
| std::vector<const OatFile::OatDexFile*> oat_dex_files_; |
| bool dump_raw_mapping_table_; |
| bool dump_raw_gc_map_; |
| std::set<uintptr_t> offsets_; |
| std::unique_ptr<Disassembler> disassembler_; |
| }; |
| |
| class ImageDumper { |
| public: |
| explicit ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, |
| const ImageHeader& image_header, bool dump_raw_mapping_table, |
| bool dump_raw_gc_map) |
| : os_(os), image_space_(image_space), image_header_(image_header), |
| dump_raw_mapping_table_(dump_raw_mapping_table), |
| dump_raw_gc_map_(dump_raw_gc_map) {} |
| |
| void Dump() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| std::ostream& os = *os_; |
| os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; |
| |
| os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; |
| |
| os << "IMAGE BITMAP OFFSET: " << reinterpret_cast<void*>(image_header_.GetImageBitmapOffset()) |
| << " SIZE: " << reinterpret_cast<void*>(image_header_.GetImageBitmapSize()) << "\n\n"; |
| |
| os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); |
| |
| os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; |
| |
| os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; |
| |
| os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; |
| |
| os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; |
| |
| os << "PATCH DELTA:" << image_header_.GetPatchDelta() << "\n\n"; |
| |
| { |
| os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; |
| Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); |
| std::ostream indent1_os(&indent1_filter); |
| 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]; |
| mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); |
| indent1_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); |
| if (image_root_object->IsObjectArray()) { |
| Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); |
| std::ostream indent2_os(&indent2_filter); |
| mirror::ObjectArray<mirror::Object>* image_root_object_array |
| = image_root_object->AsObjectArray<mirror::Object>(); |
| for (int i = 0; i < image_root_object_array->GetLength(); i++) { |
| mirror::Object* value = image_root_object_array->Get(i); |
| size_t run = 0; |
| for (int32_t j = i + 1; j < image_root_object_array->GetLength(); j++) { |
| if (value == image_root_object_array->Get(j)) { |
| run++; |
| } else { |
| break; |
| } |
| } |
| if (run == 0) { |
| indent2_os << StringPrintf("%d: ", i); |
| } else { |
| indent2_os << StringPrintf("%d to %zd: ", i, i + run); |
| i = i + run; |
| } |
| if (value != NULL) { |
| PrettyObjectValue(indent2_os, value->GetClass(), value); |
| } else { |
| indent2_os << i << ": null\n"; |
| } |
| } |
| } |
| } |
| } |
| os << "\n"; |
| |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| std::string image_filename = image_space_.GetImageFilename(); |
| std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); |
| os << "OAT LOCATION: " << oat_location; |
| os << "\n"; |
| std::string error_msg; |
| const OatFile* oat_file = class_linker->FindOpenedOatFileFromOatLocation(oat_location); |
| if (oat_file == nullptr) { |
| oat_file = OatFile::Open(oat_location, oat_location, NULL, false, &error_msg); |
| if (oat_file == nullptr) { |
| os << "NOT FOUND: " << error_msg << "\n"; |
| return; |
| } |
| } |
| os << "\n"; |
| |
| stats_.oat_file_bytes = oat_file->Size(); |
| |
| oat_dumper_.reset(new OatDumper(*oat_file, dump_raw_mapping_table_, |
| dump_raw_gc_map_)); |
| |
| for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { |
| CHECK(oat_dex_file != NULL); |
| stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), |
| oat_dex_file->FileSize())); |
| } |
| |
| os << "OBJECTS:\n" << std::flush; |
| |
| // Loop through all the image spaces and dump their objects. |
| gc::Heap* heap = Runtime::Current()->GetHeap(); |
| const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); |
| Thread* self = Thread::Current(); |
| { |
| { |
| WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); |
| heap->FlushAllocStack(); |
| } |
| // Since FlushAllocStack() above resets the (active) allocation |
| // stack. Need to revoke the thread-local allocation stacks that |
| // point into it. |
| { |
| self->TransitionFromRunnableToSuspended(kNative); |
| ThreadList* thread_list = Runtime::Current()->GetThreadList(); |
| thread_list->SuspendAll(); |
| heap->RevokeAllThreadLocalAllocationStacks(self); |
| thread_list->ResumeAll(); |
| self->TransitionFromSuspendedToRunnable(); |
| } |
| } |
| { |
| std::ostream* saved_os = os_; |
| Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); |
| std::ostream indent_os(&indent_filter); |
| os_ = &indent_os; |
| ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); |
| for (const auto& space : spaces) { |
| if (space->IsImageSpace()) { |
| gc::space::ImageSpace* image_space = space->AsImageSpace(); |
| image_space->GetLiveBitmap()->Walk(ImageDumper::Callback, this); |
| indent_os << "\n"; |
| } |
| } |
| // Dump the large objects separately. |
| heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); |
| indent_os << "\n"; |
| os_ = saved_os; |
| } |
| os << "STATS:\n" << std::flush; |
| std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); |
| if (file.get() == NULL) { |
| LOG(WARNING) << "Failed to find image in " << image_filename; |
| } |
| if (file.get() != NULL) { |
| stats_.file_bytes = file->GetLength(); |
| } |
| 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_.alignment_bytes += image_header_.GetImageBitmapOffset() - image_header_.GetImageSize(); |
| stats_.bitmap_bytes += image_header_.GetImageBitmapSize(); |
| stats_.Dump(os); |
| os << "\n"; |
| |
| os << std::flush; |
| |
| oat_dumper_->Dump(os); |
| } |
| |
| private: |
| static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| CHECK(type != NULL); |
| if (value == NULL) { |
| os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); |
| } else if (type->IsStringClass()) { |
| mirror::String* string = value->AsString(); |
| os << StringPrintf("%p String: %s\n", string, |
| PrintableString(string->ToModifiedUtf8()).c_str()); |
| } else if (type->IsClassClass()) { |
| mirror::Class* klass = value->AsClass(); |
| os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); |
| } else if (type->IsArtFieldClass()) { |
| mirror::ArtField* field = value->AsArtField(); |
| os << StringPrintf("%p Field: %s\n", field, PrettyField(field).c_str()); |
| } else if (type->IsArtMethodClass()) { |
| mirror::ArtMethod* method = value->AsArtMethod(); |
| os << StringPrintf("%p Method: %s\n", method, PrettyMethod(method).c_str()); |
| } else { |
| os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); |
| } |
| } |
| |
| static void PrintField(std::ostream& os, mirror::ArtField* field, mirror::Object* obj) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const char* descriptor = field->GetTypeDescriptor(); |
| os << StringPrintf("%s: ", field->GetName()); |
| if (descriptor[0] != 'L' && descriptor[0] != '[') { |
| StackHandleScope<1> hs(Thread::Current()); |
| FieldHelper fh(hs.NewHandle(field)); |
| mirror::Class* type = fh.GetType(); |
| if (type->IsPrimitiveLong()) { |
| os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); |
| } else if (type->IsPrimitiveDouble()) { |
| os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); |
| } else if (type->IsPrimitiveFloat()) { |
| os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); |
| } else { |
| DCHECK(type->IsPrimitive()); |
| os << StringPrintf("%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. |
| mirror::Object* value = field->GetObj(obj); |
| if (value == NULL) { |
| os << StringPrintf("null %s\n", PrettyDescriptor(descriptor).c_str()); |
| } else { |
| // Grab the field type without causing resolution. |
| StackHandleScope<1> hs(Thread::Current()); |
| FieldHelper fh(hs.NewHandle(field)); |
| mirror::Class* field_type = fh.GetType(false); |
| if (field_type != NULL) { |
| PrettyObjectValue(os, field_type, value); |
| } else { |
| os << StringPrintf("%p %s\n", value, PrettyDescriptor(descriptor).c_str()); |
| } |
| } |
| } |
| } |
| |
| static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| mirror::Class* super = klass->GetSuperClass(); |
| if (super != NULL) { |
| DumpFields(os, obj, super); |
| } |
| mirror::ObjectArray<mirror::ArtField>* fields = klass->GetIFields(); |
| if (fields != NULL) { |
| for (int32_t i = 0; i < fields->GetLength(); i++) { |
| mirror::ArtField* field = fields->Get(i); |
| PrintField(os, field, obj); |
| } |
| } |
| } |
| |
| bool InDumpSpace(const mirror::Object* object) { |
| return image_space_.Contains(object); |
| } |
| |
| const void* GetQuickOatCodeBegin(mirror::ArtMethod* m) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const void* quick_code = m->GetEntryPointFromQuickCompiledCode(); |
| if (quick_code == Runtime::Current()->GetClassLinker()->GetQuickResolutionTrampoline()) { |
| quick_code = oat_dumper_->GetQuickOatCode(m); |
| } |
| if (oat_dumper_->GetInstructionSet() == kThumb2) { |
| quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); |
| } |
| return quick_code; |
| } |
| |
| uint32_t GetQuickOatCodeSize(mirror::ArtMethod* m) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); |
| if (oat_code_begin == nullptr) { |
| return 0; |
| } |
| return oat_code_begin[-1]; |
| } |
| |
| const void* GetQuickOatCodeEnd(mirror::ArtMethod* m) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); |
| if (oat_code_begin == NULL) { |
| return NULL; |
| } |
| return oat_code_begin + GetQuickOatCodeSize(m); |
| } |
| |
| static void Callback(mirror::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::ostream& os = *state->os_; |
| mirror::Class* obj_class = obj->GetClass(); |
| if (obj_class->IsArrayClass()) { |
| os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), |
| obj->AsArray()->GetLength()); |
| } else if (obj->IsClass()) { |
| mirror::Class* klass = obj->AsClass(); |
| os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) |
| << klass->GetStatus() << ")\n"; |
| } else if (obj->IsArtField()) { |
| os << StringPrintf("%p: java.lang.reflect.ArtField %s\n", obj, |
| PrettyField(obj->AsArtField()).c_str()); |
| } else if (obj->IsArtMethod()) { |
| os << StringPrintf("%p: java.lang.reflect.ArtMethod %s\n", obj, |
| PrettyMethod(obj->AsArtMethod()).c_str()); |
| } else if (obj_class->IsStringClass()) { |
| os << StringPrintf("%p: java.lang.String %s\n", obj, |
| PrintableString(obj->AsString()->ToModifiedUtf8()).c_str()); |
| } else { |
| os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); |
| } |
| Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); |
| std::ostream indent_os(&indent_filter); |
| DumpFields(indent_os, obj, obj_class); |
| if (obj->IsObjectArray()) { |
| mirror::ObjectArray<mirror::Object>* obj_array = obj->AsObjectArray<mirror::Object>(); |
| int32_t length = obj_array->GetLength(); |
| for (int32_t i = 0; i < length; i++) { |
| mirror::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) { |
| indent_os << StringPrintf("%d: ", i); |
| } else { |
| indent_os << StringPrintf("%d to %zd: ", i, i + run); |
| i = i + run; |
| } |
| mirror::Class* value_class = |
| (value == NULL) ? obj_class->GetComponentType() : value->GetClass(); |
| PrettyObjectValue(indent_os, value_class, value); |
| } |
| } else if (obj->IsClass()) { |
| mirror::ObjectArray<mirror::ArtField>* sfields = obj->AsClass()->GetSFields(); |
| if (sfields != NULL) { |
| indent_os << "STATICS:\n"; |
| Indenter indent2_filter(indent_os.rdbuf(), kIndentChar, kIndentBy1Count); |
| std::ostream indent2_os(&indent2_filter); |
| for (int32_t i = 0; i < sfields->GetLength(); i++) { |
| mirror::ArtField* field = sfields->Get(i); |
| PrintField(indent2_os, field, field->GetDeclaringClass()); |
| } |
| } |
| } else if (obj->IsArtMethod()) { |
| mirror::ArtMethod* method = obj->AsArtMethod(); |
| if (method->IsNative()) { |
| // TODO: portable dumping. |
| DCHECK(method->GetNativeGcMap() == nullptr) << PrettyMethod(method); |
| DCHECK(method->GetMappingTable() == nullptr) << PrettyMethod(method); |
| bool first_occurrence; |
| const void* quick_oat_code = state->GetQuickOatCodeBegin(method); |
| uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); |
| state->ComputeOatSize(quick_oat_code, &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.native_to_managed_code_bytes += quick_oat_code_size; |
| } |
| if (quick_oat_code != method->GetEntryPointFromQuickCompiledCode()) { |
| indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code); |
| } |
| } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || |
| method->IsResolutionMethod() || method->IsImtConflictMethod() || |
| method->IsClassInitializer()) { |
| DCHECK(method->GetNativeGcMap() == NULL) << PrettyMethod(method); |
| DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method); |
| } else { |
| const DexFile::CodeItem* code_item = 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->GetMappingTable(), &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; |
| } |
| |
| size_t vmap_table_bytes = |
| state->ComputeOatSize(method->GetVmapTable(), &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.vmap_table_bytes += vmap_table_bytes; |
| } |
| |
| // TODO: portable dumping. |
| const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); |
| const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); |
| uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); |
| state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); |
| if (first_occurrence) { |
| state->stats_.managed_code_bytes += quick_oat_code_size; |
| if (method->IsConstructor()) { |
| if (method->IsStatic()) { |
| state->stats_.class_initializer_code_bytes += quick_oat_code_size; |
| } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { |
| state->stats_.large_initializer_code_bytes += quick_oat_code_size; |
| } |
| } else if (dex_instruction_bytes > kLargeMethodDexBytes) { |
| state->stats_.large_method_code_bytes += quick_oat_code_size; |
| } |
| } |
| state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; |
| |
| indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); |
| indent_os << StringPrintf("SIZE: 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 + quick_oat_code_size + object_bytes; |
| |
| double expansion = |
| static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); |
| state->stats_.ComputeOutliers(total_size, expansion, method); |
| } |
| } |
| std::string temp; |
| state->stats_.Update(obj_class->GetDescriptor(&temp), object_bytes); |
| } |
| |
| 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 bitmap_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<mirror::ArtMethod*> method_outlier; |
| std::vector<size_t> method_outlier_size; |
| std::vector<double> method_outlier_expansion; |
| std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; |
| |
| explicit Stats() |
| : oat_file_bytes(0), |
| file_bytes(0), |
| header_bytes(0), |
| object_bytes(0), |
| bitmap_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 char* 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, mirror::ArtMethod* 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 << 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 << "... 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 << 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 << "... 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 << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" |
| << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; |
| Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); |
| std::ostream indent_os(&indent_filter); |
| indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" |
| "object_bytes = %8zd (%2.0f%% of art file bytes)\n" |
| "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" |
| "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", |
| header_bytes, PercentOfFileBytes(header_bytes), |
| object_bytes, PercentOfFileBytes(object_bytes), |
| bitmap_bytes, PercentOfFileBytes(bitmap_bytes), |
| alignment_bytes, PercentOfFileBytes(alignment_bytes)) |
| << std::flush; |
| CHECK_EQ(file_bytes, bitmap_bytes + header_bytes + object_bytes + alignment_bytes); |
| } |
| |
| os << "object_bytes breakdown:\n"; |
| size_t object_bytes_total = 0; |
| for (const auto& sizes_and_count : sizes_and_counts) { |
| const std::string& descriptor(sizes_and_count.first); |
| double average = static_cast<double>(sizes_and_count.second.bytes) / |
| static_cast<double>(sizes_and_count.second.count); |
| double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); |
| os << StringPrintf("%32s %8zd bytes %6zd instances " |
| "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", |
| descriptor.c_str(), sizes_and_count.second.bytes, |
| sizes_and_count.second.count, average, percent); |
| object_bytes_total += sizes_and_count.second.bytes; |
| } |
| os << "\n" << std::flush; |
| CHECK_EQ(object_bytes, object_bytes_total); |
| |
| os << StringPrintf("oat_file_bytes = %8zd\n" |
| "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" |
| "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" |
| "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" |
| "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" |
| "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" |
| "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", |
| oat_file_bytes, |
| 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)) |
| << "DexFile sizes:\n"; |
| for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { |
| os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", |
| oat_dex_file_size.first.c_str(), oat_dex_file_size.second, |
| PercentOfOatBytes(oat_dex_file_size.second)); |
| } |
| |
| os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" |
| "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" |
| "vmap_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("dex_instruction_bytes = %zd\n", dex_instruction_bytes) |
| << StringPrintf("managed_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 |
| }; |
| std::unique_ptr<OatDumper> oat_dumper_; |
| std::ostream* os_; |
| gc::space::ImageSpace& image_space_; |
| const ImageHeader& image_header_; |
| bool dump_raw_mapping_table_; |
| bool dump_raw_gc_map_; |
| |
| 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_location = NULL; |
| const char* boot_image_location = NULL; |
| InstructionSet instruction_set = kRuntimeISA; |
| std::string elf_filename_prefix; |
| std::ostream* os = &std::cout; |
| std::unique_ptr<std::ofstream> out; |
| bool dump_raw_mapping_table = false; |
| bool dump_raw_gc_map = false; |
| |
| 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_location = option.substr(strlen("--image=")).data(); |
| } else if (option.starts_with("--boot-image=")) { |
| boot_image_location = option.substr(strlen("--boot-image=")).data(); |
| } else if (option.starts_with("--instruction-set=")) { |
| StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data(); |
| if (instruction_set_str == "arm") { |
| instruction_set = kThumb2; |
| } else if (instruction_set_str == "arm64") { |
| instruction_set = kArm64; |
| } else if (instruction_set_str == "mips") { |
| instruction_set = kMips; |
| } else if (instruction_set_str == "x86") { |
| instruction_set = kX86; |
| } else if (instruction_set_str == "x86_64") { |
| instruction_set = kX86_64; |
| } |
| } else if (option.starts_with("--dump:")) { |
| if (option == "--dump:raw_mapping_table") { |
| dump_raw_mapping_table = true; |
| } else if (option == "--dump:raw_gc_map") { |
| dump_raw_gc_map = true; |
| } else { |
| fprintf(stderr, "Unknown argument %s\n", option.data()); |
| usage(); |
| } |
| } 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_location == NULL && oat_filename == NULL) { |
| fprintf(stderr, "Either --image or --oat must be specified\n"); |
| return EXIT_FAILURE; |
| } |
| |
| if (image_location != NULL && oat_filename != NULL) { |
| fprintf(stderr, "Either --image or --oat must be specified but not both\n"); |
| return EXIT_FAILURE; |
| } |
| |
| if (oat_filename != NULL) { |
| std::string error_msg; |
| OatFile* oat_file = |
| OatFile::Open(oat_filename, oat_filename, NULL, false, &error_msg); |
| if (oat_file == NULL) { |
| fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); |
| return EXIT_FAILURE; |
| } |
| OatDumper oat_dumper(*oat_file, dump_raw_mapping_table, dump_raw_gc_map); |
| oat_dumper.Dump(*os); |
| return EXIT_SUCCESS; |
| } |
| |
| RuntimeOptions options; |
| std::string image_option; |
| std::string oat_option; |
| std::string boot_image_option; |
| std::string boot_oat_option; |
| |
| // We are more like a compiler than a run-time. We don't want to execute code. |
| NoopCompilerCallbacks callbacks; |
| options.push_back(std::make_pair("compilercallbacks", &callbacks)); |
| |
| if (boot_image_location != NULL) { |
| boot_image_option += "-Ximage:"; |
| boot_image_option += boot_image_location; |
| options.push_back(std::make_pair(boot_image_option.c_str(), reinterpret_cast<void*>(NULL))); |
| } |
| if (image_location != NULL) { |
| image_option += "-Ximage:"; |
| image_option += image_location; |
| options.push_back(std::make_pair(image_option.c_str(), reinterpret_cast<void*>(NULL))); |
| } |
| options.push_back( |
| std::make_pair("imageinstructionset", |
| reinterpret_cast<const void*>(GetInstructionSetString(instruction_set)))); |
| |
| if (!Runtime::Create(options, false)) { |
| fprintf(stderr, "Failed to create runtime\n"); |
| return EXIT_FAILURE; |
| } |
| std::unique_ptr<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 manageable ScopedObjectAccess. |
| Thread::Current()->TransitionFromRunnableToSuspended(kNative); |
| ScopedObjectAccess soa(Thread::Current()); |
| gc::Heap* heap = Runtime::Current()->GetHeap(); |
| gc::space::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_location); |
| return EXIT_FAILURE; |
| } |
| ImageDumper image_dumper(os, *image_space, image_header, |
| dump_raw_mapping_table, dump_raw_gc_map); |
| image_dumper.Dump(); |
| return EXIT_SUCCESS; |
| } |
| |
| } // namespace art |
| |
| int main(int argc, char** argv) { |
| return art::oatdump(argc, argv); |
| } |