blob: 0dde41fc09b78f9ac08496eed75e18f3defe5cc8 [file] [log] [blame]
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <fstream>
#include <iostream>
#include <map>
#include <string>
#include <vector>
#include "class_linker.h"
#include "dex_instruction.h"
#include "file.h"
#include "image.h"
#include "object_utils.h"
#include "os.h"
#include "runtime.h"
#include "space.h"
#include "stringpiece.h"
namespace art {
static void usage() {
fprintf(stderr,
"Usage: oatdump [options] ...\n"
" Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art --host-prefix=$ANDROID_PRODUCT_OUT\n"
" Example: adb shell oatdump --image=/system/framework/boot.art\n"
"\n");
fprintf(stderr,
" --oat-file=<file.oat>: specifies an input oat filename.\n"
" Example: --image=/system/framework/boot.oat\n"
"\n");
fprintf(stderr,
" --image=<file.art>: specifies an input image filename.\n"
" Example: --image=/system/framework/boot.art\n"
"\n");
fprintf(stderr,
" --boot-image=<file.art>: provide the image file for the boot class path.\n"
" Example: --boot-image=/system/framework/boot.art\n"
"\n");
fprintf(stderr,
" --host-prefix may be used to translate host paths to target paths during\n"
" cross compilation.\n"
" Example: --host-prefix=out/target/product/crespo\n"
" Default: $ANDROID_PRODUCT_OUT\n"
"\n");
fprintf(stderr,
" --output=<file> may be used to send the output to a file.\n"
" Example: --output=/tmp/oatdump.txt\n"
"\n");
exit(EXIT_FAILURE);
}
const char* image_roots_descriptions_[] = {
"kJniStubArray",
"kAbstractMethodErrorStubArray",
"kInstanceResolutionStubArray",
"kStaticResolutionStubArray",
"kUnknownMethodResolutionStubArray",
"kResolutionMethod",
"kCalleeSaveMethod",
"kRefsOnlySaveMethod",
"kRefsAndArgsSaveMethod",
"kOatLocation",
"kDexCaches",
"kClassRoots",
};
class OatDumper {
public:
void Dump(const std::string& oat_filename, std::ostream& os, const OatFile& oat_file) {
const OatHeader& oat_header = oat_file.GetOatHeader();
os << "MAGIC:\n";
os << oat_header.GetMagic() << "\n\n";
os << "CHECKSUM:\n";
os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum());
os << "DEX FILE COUNT:\n";
os << oat_header.GetDexFileCount() << "\n\n";
os << "EXECUTABLE OFFSET:\n";
os << StringPrintf("0x%08x\n\n", oat_header.GetExecutableOffset());
os << "BEGIN:\n";
os << reinterpret_cast<const void*>(oat_file.Begin()) << "\n\n";
os << "END:\n";
os << reinterpret_cast<const void*>(oat_file.End()) << "\n\n";
os << std::flush;
std::vector<const OatFile::OatDexFile*> oat_dex_files = oat_file.GetOatDexFiles();
AddAllOffsets(oat_file, oat_dex_files);
for (size_t i = 0; i < oat_dex_files.size(); i++) {
const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i];
CHECK(oat_dex_file != NULL);
DumpOatDexFile(os, oat_file, *oat_dex_file);
}
}
private:
void AddAllOffsets(const OatFile& oat_file, std::vector<const OatFile::OatDexFile*>& oat_dex_files) {
// We don't know the length of the code for each method, but we need to know where to stop
// when disassembling. What we do know is that a region of code will be followed by some other
// region, so if we keep a sorted sequence of the start of each region, we can infer the length
// of a piece of code by using upper_bound to find the start of the next region.
for (size_t i = 0; i < oat_dex_files.size(); i++) {
const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i];
CHECK(oat_dex_file != NULL);
UniquePtr<const DexFile> dex_file(oat_dex_file->OpenDexFile());
if (dex_file.get() == NULL) {
return;
}
for (size_t class_def_index = 0; class_def_index < dex_file->NumClassDefs(); class_def_index++) {
const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index);
UniquePtr<const OatFile::OatClass> oat_class(oat_dex_file->GetOatClass(class_def_index));
const byte* class_data = dex_file->GetClassData(class_def);
if (class_data != NULL) {
ClassDataItemIterator it(*dex_file, class_data);
SkipAllFields(it);
uint32_t class_method_index = 0;
while (it.HasNextDirectMethod()) {
AddOffsets(oat_class->GetOatMethod(class_method_index++));
it.Next();
}
while (it.HasNextVirtualMethod()) {
AddOffsets(oat_class->GetOatMethod(class_method_index++));
it.Next();
}
}
}
}
// If the last thing in the file is code for a method, there won't be an offset for the "next"
// thing. Instead of having a special case in the upper_bound code, let's just add an entry
// for the end of the file.
offsets_.insert(static_cast<uint32_t>(oat_file.End() - oat_file.Begin()));
}
void AddOffsets(const OatFile::OatMethod& oat_method) {
offsets_.insert(oat_method.GetCodeOffset());
offsets_.insert(oat_method.GetMappingTableOffset());
offsets_.insert(oat_method.GetVmapTableOffset());
offsets_.insert(oat_method.GetGcMapOffset());
offsets_.insert(oat_method.GetInvokeStubOffset());
}
void DumpOatDexFile(std::ostream& os, const OatFile& oat_file,
const OatFile::OatDexFile& oat_dex_file) {
os << "OAT DEX FILE:\n";
os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str());
os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum());
UniquePtr<const DexFile> dex_file(oat_dex_file.OpenDexFile());
if (dex_file.get() == NULL) {
os << "NOT FOUND\n\n";
return;
}
for (size_t class_def_index = 0; class_def_index < dex_file->NumClassDefs(); class_def_index++) {
const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index);
const char* descriptor = dex_file->GetClassDescriptor(class_def);
UniquePtr<const OatFile::OatClass> oat_class(oat_dex_file.GetOatClass(class_def_index));
CHECK(oat_class.get() != NULL);
os << StringPrintf("%zd: %s (type_idx=%d) (", class_def_index, descriptor, class_def.class_idx_)
<< oat_class->GetStatus() << ")\n";
DumpOatClass(os, oat_file, *oat_class.get(), *(dex_file.get()), class_def);
}
os << std::flush;
}
static void SkipAllFields(ClassDataItemIterator& it) {
while (it.HasNextStaticField()) {
it.Next();
}
while (it.HasNextInstanceField()) {
it.Next();
}
}
void DumpOatClass(std::ostream& os, const OatFile& oat_file, const OatFile::OatClass& oat_class,
const DexFile& dex_file, const DexFile::ClassDef& class_def) {
const byte* class_data = dex_file.GetClassData(class_def);
if (class_data == NULL) { // empty class such as a marker interface?
return;
}
ClassDataItemIterator it(dex_file, class_data);
SkipAllFields(it);
uint32_t class_method_index = 0;
while (it.HasNextDirectMethod()) {
const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index);
DumpOatMethod(os, class_method_index, oat_file, oat_method, dex_file,
it.GetMemberIndex(), it.GetMethodCodeItem());
class_method_index++;
it.Next();
}
while (it.HasNextVirtualMethod()) {
const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index);
DumpOatMethod(os, class_method_index, oat_file, oat_method, dex_file,
it.GetMemberIndex(), it.GetMethodCodeItem());
class_method_index++;
it.Next();
}
DCHECK(!it.HasNext());
os << std::flush;
}
void DumpOatMethod(std::ostream& os, uint32_t class_method_index, const OatFile& oat_file,
const OatFile::OatMethod& oat_method, const DexFile& dex_file,
uint32_t dex_method_idx, const DexFile::CodeItem* code_item) {
const DexFile::MethodId& method_id = dex_file.GetMethodId(dex_method_idx);
const char* name = dex_file.GetMethodName(method_id);
std::string signature(dex_file.GetMethodSignature(method_id));
os << StringPrintf("\t%d: %s %s (dex_method_idx=%d)\n",
class_method_index, name, signature.c_str(), dex_method_idx);
os << StringPrintf("\t\tcode: %p (offset=0x%08x)\n",
oat_method.GetCode(), oat_method.GetCodeOffset());
os << StringPrintf("\t\tframe_size_in_bytes: %zd\n",
oat_method.GetFrameSizeInBytes());
os << StringPrintf("\t\tcore_spill_mask: 0x%08x\n",
oat_method.GetCoreSpillMask());
os << StringPrintf("\t\tfp_spill_mask: 0x%08x\n",
oat_method.GetFpSpillMask());
os << StringPrintf("\t\tmapping_table: %p (offset=0x%08x)\n",
oat_method.GetMappingTable(), oat_method.GetMappingTableOffset());
DumpMappingTable(os, oat_file, oat_method, dex_file, code_item);
os << StringPrintf("\t\tvmap_table: %p (offset=0x%08x)\n",
oat_method.GetVmapTable(), oat_method.GetVmapTableOffset());
os << StringPrintf("\t\tgc_map: %p (offset=0x%08x)\n",
oat_method.GetGcMap(), oat_method.GetGcMapOffset());
os << StringPrintf("\t\tinvoke_stub: %p (offset=0x%08x)\n",
oat_method.GetInvokeStub(), oat_method.GetInvokeStubOffset());
}
void DumpMappingTable(std::ostream& os,
const OatFile& oat_file, const OatFile::OatMethod& oat_method,
const DexFile& dex_file, const DexFile::CodeItem* code_item) {
const uint32_t* raw_table = oat_method.GetMappingTable();
const void* code = oat_method.GetCode();
if (raw_table == NULL || code == NULL) {
return;
}
uint32_t length = *raw_table;
++raw_table;
for (size_t i = 0; i < length; i += 2) {
uint32_t dex_pc = raw_table[i + 1];
const Instruction* instruction = Instruction::At(&code_item->insns_[dex_pc]);
os << StringPrintf("\t\t0x%04x: %s\n", dex_pc, instruction->DumpString(&dex_file).c_str());
const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(code) + raw_table[i];
const uint8_t* end_native_pc = NULL;
if (i + 2 < length) {
end_native_pc = reinterpret_cast<const uint8_t*>(code) + raw_table[i + 2];
} else {
const uint8_t* oat_begin = reinterpret_cast<const uint8_t*>(oat_file.Begin());
uint32_t last_offset = static_cast<uint32_t>(native_pc - oat_begin);
typedef std::set<uint32_t>::iterator It;
It it = offsets_.upper_bound(last_offset);
CHECK(it != offsets_.end());
end_native_pc = reinterpret_cast<const uint8_t*>(oat_begin) + *it;
}
// TODO: insert disassembler here.
CHECK(native_pc < end_native_pc);
os << StringPrintf("\t\t\t%p:", native_pc);
for (; native_pc < end_native_pc; ++native_pc) {
os << StringPrintf(" 0x%02x", *native_pc);
}
os << "\n";
}
}
std::set<uint32_t> offsets_;
};
class ImageDump {
public:
static void Dump(const std::string& image_filename,
const std::string& host_prefix,
std::ostream& os,
Space& image_space,
const ImageHeader& image_header) {
os << "MAGIC:\n";
os << image_header.GetMagic() << "\n\n";
os << "IMAGE BEGIN:\n";
os << reinterpret_cast<void*>(image_header.GetImageBegin()) << "\n\n";
os << "OAT CHECKSUM:\n";
os << StringPrintf("0x%08x\n\n", image_header.GetOatChecksum());
os << "OAT BEGIN:\n";
os << reinterpret_cast<void*>(image_header.GetOatBegin()) << "\n\n";
os << "OAT END:\n";
os << reinterpret_cast<void*>(image_header.GetOatEnd()) << "\n\n";
os << "ROOTS:\n";
os << reinterpret_cast<void*>(image_header.GetImageRoots()) << "\n";
CHECK_EQ(arraysize(image_roots_descriptions_), size_t(ImageHeader::kImageRootsMax));
for (int i = 0; i < ImageHeader::kImageRootsMax; i++) {
ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i);
const char* image_root_description = image_roots_descriptions_[i];
Object* image_root_object = image_header.GetImageRoot(image_root);
os << StringPrintf("%s: %p\n", image_root_description, image_root_object);
if (image_root_object->IsObjectArray()) {
// TODO: replace down_cast with AsObjectArray (g++ currently has a problem with this)
ObjectArray<Object>* image_root_object_array
= down_cast<ObjectArray<Object>*>(image_root_object);
// = image_root_object->AsObjectArray<Object>();
for (int i = 0; i < image_root_object_array->GetLength(); i++) {
Object* value = image_root_object_array->Get(i);
if (value != NULL) {
os << "\t" << i << ": ";
std::string summary;
PrettyObjectValue(summary, value->GetClass(), value);
os << summary;
} else {
os << StringPrintf("\t%d: null\n", i);
}
}
}
}
os << "\n";
os << "OBJECTS:\n" << std::flush;
ImageDump state(image_space, os);
HeapBitmap* heap_bitmap = Heap::GetLiveBits();
DCHECK(heap_bitmap != NULL);
heap_bitmap->Walk(ImageDump::Callback, &state);
os << "\n";
os << "STATS:\n" << std::flush;
UniquePtr<File> file(OS::OpenFile(image_filename.c_str(), false));
state.stats_.file_bytes = file->Length();
size_t header_bytes = sizeof(ImageHeader);
state.stats_.header_bytes = header_bytes;
size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes;
state.stats_.alignment_bytes += alignment_bytes;
state.stats_.Dump(os);
os << "\n";
os << std::flush;
os << "OAT LOCATION:\n" << std::flush;
Object* oat_location_object = image_header.GetImageRoot(ImageHeader::kOatLocation);
std::string oat_location(oat_location_object->AsString()->ToModifiedUtf8());
ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
os << oat_location;
if (!host_prefix.empty()) {
oat_location = host_prefix + oat_location;
os << " (" << oat_location << ")";
}
os << "\n";
const OatFile* oat_file = class_linker->FindOatFileFromOatLocation(oat_location);
if (oat_file == NULL) {
os << "NOT FOUND\n";
os << std::flush;
return;
}
os << "\n";
os << std::flush;
OatDumper oat_dumper;
oat_dumper.Dump(oat_location, os, *oat_file);
}
private:
ImageDump(const Space& dump_space, std::ostream& os) : dump_space_(dump_space), os_(os) {}
~ImageDump() {}
static void PrettyObjectValue(std::string& summary, Class* type, Object* value) {
CHECK(type != NULL);
if (value == NULL) {
StringAppendF(&summary, "null %s\n", PrettyDescriptor(type).c_str());
} else if (type->IsStringClass()) {
String* string = value->AsString();
StringAppendF(&summary, "%p String: \"%s\"\n", string, string->ToModifiedUtf8().c_str());
} else if (value->IsClass()) {
Class* klass = value->AsClass();
StringAppendF(&summary, "%p Class: %s\n", klass, PrettyDescriptor(klass).c_str());
} else if (value->IsField()) {
Field* field = value->AsField();
StringAppendF(&summary, "%p Field: %s\n", field, PrettyField(field).c_str());
} else if (value->IsMethod()) {
Method* method = value->AsMethod();
StringAppendF(&summary, "%p Method: %s\n", method, PrettyMethod(method).c_str());
} else {
StringAppendF(&summary, "%p %s\n", value, PrettyDescriptor(type).c_str());
}
}
static void PrintField(std::string& summary, Field* field, Object* obj) {
FieldHelper fh(field);
Class* type = fh.GetType();
StringAppendF(&summary, "\t%s: ", fh.GetName());
if (type->IsPrimitiveLong()) {
StringAppendF(&summary, "%lld (0x%llx)\n", field->Get64(obj), field->Get64(obj));
} else if (type->IsPrimitiveDouble()) {
StringAppendF(&summary, "%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj));
} else if (type->IsPrimitiveFloat()) {
StringAppendF(&summary, "%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj));
} else if (type->IsPrimitive()){
StringAppendF(&summary, "%d (0x%x)\n", field->Get32(obj), field->Get32(obj));
} else {
Object* value = field->GetObj(obj);
PrettyObjectValue(summary, type, value);
}
}
static void DumpFields(std::string& summary, Object* obj, Class* klass) {
Class* super = klass->GetSuperClass();
if (super != NULL) {
DumpFields(summary, obj, super);
}
ObjectArray<Field>* fields = klass->GetIFields();
if (fields != NULL) {
for (int32_t i = 0; i < fields->GetLength(); i++) {
Field* field = fields->Get(i);
PrintField(summary, field, obj);
}
}
}
static void Callback(Object* obj, void* arg) {
DCHECK(obj != NULL);
DCHECK(arg != NULL);
ImageDump* state = reinterpret_cast<ImageDump*>(arg);
if (!state->InDumpSpace(obj)) {
return;
}
size_t object_bytes = obj->SizeOf();
size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes;
state->stats_.object_bytes += object_bytes;
state->stats_.alignment_bytes += alignment_bytes;
std::string summary;
Class* obj_class = obj->GetClass();
if (obj_class->IsArrayClass()) {
StringAppendF(&summary, "%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(),
obj->AsArray()->GetLength());
} else if (obj->IsClass()) {
Class* klass = obj->AsClass();
StringAppendF(&summary, "%p: java.lang.Class \"%s\" (", obj,
PrettyDescriptor(klass).c_str());
std::ostringstream ss;
ss << klass->GetStatus() << ")\n";
summary += ss.str();
} else if (obj->IsField()) {
StringAppendF(&summary, "%p: java.lang.reflect.Field %s\n", obj,
PrettyField(obj->AsField()).c_str());
} else if (obj->IsMethod()) {
StringAppendF(&summary, "%p: java.lang.reflect.Method %s\n", obj,
PrettyMethod(obj->AsMethod()).c_str());
} else if (obj_class->IsStringClass()) {
StringAppendF(&summary, "%p: java.lang.String \"%s\"\n", obj,
obj->AsString()->ToModifiedUtf8().c_str());
} else {
StringAppendF(&summary, "%p: %s\n", obj, PrettyDescriptor(obj_class).c_str());
}
DumpFields(summary, obj, obj_class);
if (obj->IsObjectArray()) {
ObjectArray<Object>* obj_array = obj->AsObjectArray<Object>();
int32_t length = obj_array->GetLength();
for (int32_t i = 0; i < length; i++) {
Object* value = obj_array->Get(i);
size_t run = 0;
for (int32_t j = i + 1; j < length; j++) {
if (value == obj_array->Get(j)) {
run++;
} else {
break;
}
}
if (run == 0) {
StringAppendF(&summary, "\t%d: ", i);
} else {
StringAppendF(&summary, "\t%d to %zd: ", i, i + run);
i = i + run;
}
Class* value_class = value == NULL ? obj_class->GetComponentType() : value->GetClass();
PrettyObjectValue(summary, value_class, value);
}
} else if (obj->IsClass()) {
ObjectArray<Field>* sfields = obj->AsClass()->GetSFields();
if (sfields != NULL) {
summary += "\t\tSTATICS:\n";
for (int32_t i = 0; i < sfields->GetLength(); i++) {
Field* field = sfields->Get(i);
PrintField(summary, field, NULL);
}
}
} else if (obj->IsMethod()) {
Method* method = obj->AsMethod();
if (method->IsNative()) {
DCHECK(method->GetGcMap() == NULL) << PrettyMethod(method);
DCHECK_EQ(0U, method->GetGcMapLength()) << PrettyMethod(method);
DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method);
} else if (method->IsAbstract() || method->IsCalleeSaveMethod() ||
method->IsResolutionMethod()) {
DCHECK(method->GetGcMap() == NULL) << PrettyMethod(method);
DCHECK_EQ(0U, method->GetGcMapLength()) << PrettyMethod(method);
DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method);
} else {
DCHECK(method->GetGcMap() != NULL) << PrettyMethod(method);
DCHECK_NE(0U, method->GetGcMapLength()) << PrettyMethod(method);
size_t register_map_bytes = method->GetGcMapLength();
state->stats_.register_map_bytes += register_map_bytes;
size_t pc_mapping_table_bytes = method->GetMappingTableLength();
state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes;
const DexFile::CodeItem* code_item = MethodHelper(method).GetCodeItem();
size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2;
state->stats_.dex_instruction_bytes += dex_instruction_bytes;
StringAppendF(&summary, "\t\tSIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n",
dex_instruction_bytes, register_map_bytes, pc_mapping_table_bytes);
}
}
std::string descriptor(ClassHelper(obj_class).GetDescriptor());
state->stats_.descriptor_to_bytes[descriptor] += object_bytes;
state->stats_.descriptor_to_count[descriptor] += 1;
state->os_ << summary << std::flush;
}
bool InDumpSpace(const Object* object) {
return dump_space_.Contains(object);
}
public:
struct Stats {
size_t file_bytes;
size_t header_bytes;
size_t object_bytes;
size_t alignment_bytes;
size_t managed_code_bytes;
size_t managed_to_native_code_bytes;
size_t native_to_managed_code_bytes;
size_t register_map_bytes;
size_t pc_mapping_table_bytes;
size_t dex_instruction_bytes;
Stats()
: file_bytes(0),
header_bytes(0),
object_bytes(0),
alignment_bytes(0),
managed_code_bytes(0),
managed_to_native_code_bytes(0),
native_to_managed_code_bytes(0),
register_map_bytes(0),
pc_mapping_table_bytes(0),
dex_instruction_bytes(0) {}
typedef std::map<std::string, size_t> TableBytes;
TableBytes descriptor_to_bytes;
typedef std::map<std::string, size_t> TableCount;
TableCount descriptor_to_count;
double PercentOfFileBytes(size_t size) {
return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100;
}
double PercentOfObjectBytes(size_t size) {
return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100;
}
void Dump(std::ostream& os) {
os << StringPrintf("\tfile_bytes = %zd\n", file_bytes);
os << "\n";
os << "\tfile_bytes = header_bytes + object_bytes + alignment_bytes\n";
os << StringPrintf("\theader_bytes = %10zd (%2.0f%% of file_bytes)\n",
header_bytes, PercentOfFileBytes(header_bytes));
os << StringPrintf("\tobject_bytes = %10zd (%2.0f%% of file_bytes)\n",
object_bytes, PercentOfFileBytes(object_bytes));
os << StringPrintf("\talignment_bytes = %10zd (%2.0f%% of file_bytes)\n",
alignment_bytes, PercentOfFileBytes(alignment_bytes));
os << "\n";
os << std::flush;
CHECK_EQ(file_bytes, header_bytes + object_bytes + alignment_bytes);
os << "\tobject_bytes = sum of descriptor_to_bytes values below:\n";
size_t object_bytes_total = 0;
typedef TableBytes::const_iterator It; // TODO: C++0x auto
for (It it = descriptor_to_bytes.begin(), end = descriptor_to_bytes.end(); it != end; ++it) {
const std::string& descriptor(it->first);
size_t bytes = it->second;
size_t count = descriptor_to_count[descriptor];
double average = static_cast<double>(bytes) / static_cast<double>(count);
double percent = PercentOfObjectBytes(bytes);
os << StringPrintf("\t%32s %8zd bytes %6zd instances "
"(%3.0f bytes/instance) %2.0f%% of object_bytes\n",
descriptor.c_str(), bytes, count,
average, percent);
object_bytes_total += bytes;
}
os << "\n";
os << std::flush;
CHECK_EQ(object_bytes, object_bytes_total);
os << StringPrintf("\tmanaged_code_bytes = %8zd (%2.0f%% of object_bytes)\n",
managed_code_bytes, PercentOfObjectBytes(managed_code_bytes));
os << StringPrintf("\tmanaged_to_native_code_bytes = %8zd (%2.0f%% of object_bytes)\n",
managed_to_native_code_bytes,
PercentOfObjectBytes(managed_to_native_code_bytes));
os << StringPrintf("\tnative_to_managed_code_bytes = %8zd (%2.0f%% of object_bytes)\n",
native_to_managed_code_bytes,
PercentOfObjectBytes(native_to_managed_code_bytes));
os << "\n";
os << std::flush;
os << StringPrintf("\tregister_map_bytes = %7zd (%2.0f%% of object_bytes)\n",
register_map_bytes, PercentOfObjectBytes(register_map_bytes));
os << StringPrintf("\tpc_mapping_table_bytes = %7zd (%2.0f%% of object_bytes)\n",
pc_mapping_table_bytes, PercentOfObjectBytes(pc_mapping_table_bytes));
os << "\n";
os << std::flush;
os << StringPrintf("\tdex_instruction_bytes = %zd\n", dex_instruction_bytes);
os << StringPrintf("\tmanaged_code_bytes expansion = %.2f\n",
static_cast<double>(managed_code_bytes)
/ static_cast<double>(dex_instruction_bytes));
os << "\n";
os << std::flush;
}
} stats_;
private:
const Space& dump_space_;
std::ostream& os_;
DISALLOW_COPY_AND_ASSIGN(ImageDump);
};
int oatdump(int argc, char** argv) {
// Skip over argv[0].
argv++;
argc--;
if (argc == 0) {
fprintf(stderr, "No arguments specified\n");
usage();
}
const char* oat_filename = NULL;
const char* image_filename = NULL;
const char* boot_image_filename = NULL;
std::string host_prefix;
std::ostream* os = &std::cout;
UniquePtr<std::ofstream> out;
for (int i = 0; i < argc; i++) {
const StringPiece option(argv[i]);
if (option.starts_with("--oat-file=")) {
oat_filename = option.substr(strlen("--oat-file=")).data();
} else if (option.starts_with("--image=")) {
image_filename = option.substr(strlen("--image=")).data();
} else if (option.starts_with("--boot-image=")) {
boot_image_filename = option.substr(strlen("--boot-image=")).data();
} else if (option.starts_with("--host-prefix=")) {
host_prefix = option.substr(strlen("--host-prefix=")).data();
} else if (option.starts_with("--output=")) {
const char* filename = option.substr(strlen("--output=")).data();
out.reset(new std::ofstream(filename));
if (!out->good()) {
fprintf(stderr, "Failed to open output filename %s\n", filename);
usage();
}
os = out.get();
} else {
fprintf(stderr, "Unknown argument %s\n", option.data());
usage();
}
}
if (image_filename == NULL && oat_filename == NULL) {
fprintf(stderr, "Either --image or --oat must be specified\n");
return EXIT_FAILURE;
}
if (image_filename != NULL && oat_filename != NULL) {
fprintf(stderr, "Either --image or --oat must be specified but not both\n");
return EXIT_FAILURE;
}
if (oat_filename != NULL) {
const OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, NULL);
if (oat_file == NULL) {
fprintf(stderr, "Failed to open oat file from %s\n", oat_filename);
return EXIT_FAILURE;
}
OatDumper oat_dumper;
oat_dumper.Dump(oat_filename, *os, *oat_file);
return EXIT_SUCCESS;
}
Runtime::Options options;
std::string image_option;
std::string oat_option;
std::string boot_image_option;
std::string boot_oat_option;
if (boot_image_filename != NULL) {
boot_image_option += "-Ximage:";
boot_image_option += boot_image_filename;
options.push_back(std::make_pair(boot_image_option.c_str(), reinterpret_cast<void*>(NULL)));
}
if (image_filename != NULL) {
image_option += "-Ximage:";
image_option += image_filename;
options.push_back(std::make_pair(image_option.c_str(), reinterpret_cast<void*>(NULL)));
}
if (host_prefix.empty()) {
const char* android_product_out = getenv("ANDROID_PRODUCT_OUT");
if (android_product_out != NULL) {
host_prefix = android_product_out;
}
}
if (!host_prefix.empty()) {
options.push_back(std::make_pair("host-prefix", host_prefix.c_str()));
}
UniquePtr<Runtime> runtime(Runtime::Create(options, false));
if (runtime.get() == NULL) {
fprintf(stderr, "Failed to create runtime\n");
return EXIT_FAILURE;
}
ImageSpace* image_space = Heap::GetSpaces()[Heap::GetSpaces().size()-2]->AsImageSpace();
CHECK(image_space != NULL);
const ImageHeader& image_header = image_space->GetImageHeader();
if (!image_header.IsValid()) {
fprintf(stderr, "Invalid image header %s\n", image_filename);
return EXIT_FAILURE;
}
ImageDump::Dump(image_filename, host_prefix, *os, *image_space, image_header);
return EXIT_SUCCESS;
}
} // namespace art
int main(int argc, char** argv) {
return art::oatdump(argc, argv);
}