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-rw-r--r--build/Android.common_build.mk1
-rw-r--r--compiler/Android.mk8
-rw-r--r--compiler/common_compiler_test.cc32
-rw-r--r--compiler/common_compiler_test.h2
-rw-r--r--compiler/image_test.cc38
-rw-r--r--compiler/image_writer.cc71
-rw-r--r--compiler/image_writer.h10
-rw-r--r--dex2oat/Android.mk8
-rw-r--r--dex2oat/dex2oat.cc25
-rw-r--r--patchoat/patchoat.cc6
-rw-r--r--runtime/Android.mk4
-rw-r--r--runtime/gc/collector/immune_spaces_test.cc4
-rw-r--r--runtime/gc/space/image_space.cc101
-rw-r--r--runtime/image.cc10
-rw-r--r--runtime/image.h43
15 files changed, 76 insertions, 287 deletions
diff --git a/build/Android.common_build.mk b/build/Android.common_build.mk
index 43e1457a50..a93d8a882a 100644
--- a/build/Android.common_build.mk
+++ b/build/Android.common_build.mk
@@ -206,7 +206,6 @@ ART_CPP_EXTENSION := .cc
ART_C_INCLUDES := \
external/gtest/include \
external/icu/icu4c/source/common \
- external/lz4/lib \
external/valgrind/include \
external/valgrind \
external/vixl/src \
diff --git a/compiler/Android.mk b/compiler/Android.mk
index bdd9a84433..348eabdde5 100644
--- a/compiler/Android.mk
+++ b/compiler/Android.mk
@@ -258,9 +258,9 @@ define build-libart-compiler
ifeq ($$(art_ndebug_or_debug),ndebug)
LOCAL_MODULE := libart-compiler
ifeq ($$(art_static_or_shared), static)
- LOCAL_STATIC_LIBRARIES += libart liblz4
+ LOCAL_STATIC_LIBRARIES += libart
else
- LOCAL_SHARED_LIBRARIES += libart liblz4
+ LOCAL_SHARED_LIBRARIES += libart
endif
ifeq ($$(art_target_or_host),target)
LOCAL_FDO_SUPPORT := true
@@ -268,9 +268,9 @@ define build-libart-compiler
else # debug
LOCAL_MODULE := libartd-compiler
ifeq ($$(art_static_or_shared), static)
- LOCAL_STATIC_LIBRARIES += libartd liblz4
+ LOCAL_STATIC_LIBRARIES += libartd
else
- LOCAL_SHARED_LIBRARIES += libartd liblz4
+ LOCAL_SHARED_LIBRARIES += libartd
endif
endif
diff --git a/compiler/common_compiler_test.cc b/compiler/common_compiler_test.cc
index 3901e25949..e6cc50cc5e 100644
--- a/compiler/common_compiler_test.cc
+++ b/compiler/common_compiler_test.cc
@@ -189,33 +189,21 @@ void CommonCompilerTest::SetUp() {
}
timer_.reset(new CumulativeLogger("Compilation times"));
- CreateCompilerDriver(compiler_kind_, instruction_set);
+ compiler_driver_.reset(new CompilerDriver(compiler_options_.get(),
+ verification_results_.get(),
+ method_inliner_map_.get(),
+ compiler_kind_, instruction_set,
+ instruction_set_features_.get(),
+ true,
+ GetImageClasses(),
+ GetCompiledClasses(),
+ GetCompiledMethods(),
+ 2, true, true, "", false, timer_.get(), -1, ""));
}
// We typically don't generate an image in unit tests, disable this optimization by default.
compiler_driver_->SetSupportBootImageFixup(false);
}
-void CommonCompilerTest::CreateCompilerDriver(Compiler::Kind kind, InstructionSet isa) {
- compiler_driver_.reset(new CompilerDriver(compiler_options_.get(),
- verification_results_.get(),
- method_inliner_map_.get(),
- kind,
- isa,
- instruction_set_features_.get(),
- true,
- GetImageClasses(),
- GetCompiledClasses(),
- GetCompiledMethods(),
- 2,
- true,
- true,
- "",
- false,
- timer_.get(),
- -1,
- ""));
-}
-
void CommonCompilerTest::SetUpRuntimeOptions(RuntimeOptions* options) {
CommonRuntimeTest::SetUpRuntimeOptions(options);
diff --git a/compiler/common_compiler_test.h b/compiler/common_compiler_test.h
index b491946dc3..1b57b7d1d2 100644
--- a/compiler/common_compiler_test.h
+++ b/compiler/common_compiler_test.h
@@ -90,8 +90,6 @@ class CommonCompilerTest : public CommonRuntimeTest {
const char* method_name, const char* signature)
SHARED_REQUIRES(Locks::mutator_lock_);
- void CreateCompilerDriver(Compiler::Kind kind, InstructionSet isa);
-
void ReserveImageSpace();
void UnreserveImageSpace();
diff --git a/compiler/image_test.cc b/compiler/image_test.cc
index b596ba66a5..cda6240bd4 100644
--- a/compiler/image_test.cc
+++ b/compiler/image_test.cc
@@ -43,17 +43,10 @@ class ImageTest : public CommonCompilerTest {
ReserveImageSpace();
CommonCompilerTest::SetUp();
}
- void TestWriteRead(ImageHeader::StorageMode storage_mode);
};
-void ImageTest::TestWriteRead(ImageHeader::StorageMode storage_mode) {
- // TODO: Test does not currently work with optimizing.
- CreateCompilerDriver(Compiler::kQuick, kRuntimeISA);
- ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
- // Enable write for dex2dex.
- for (const DexFile* dex_file : class_linker->GetBootClassPath()) {
- dex_file->EnableWrite();
- }
+TEST_F(ImageTest, WriteRead) {
+ TEST_DISABLED_FOR_NON_PIC_COMPILING_WITH_OPTIMIZING();
// Create a generic location tmp file, to be the base of the .art and .oat temporary files.
ScratchFile location;
ScratchFile image_location(location, ".art");
@@ -75,14 +68,17 @@ void ImageTest::TestWriteRead(ImageHeader::StorageMode storage_mode) {
std::unique_ptr<ImageWriter> writer(new ImageWriter(*compiler_driver_,
requested_image_base,
/*compile_pic*/false,
- /*compile_app_image*/false,
- storage_mode));
+ /*compile_app_image*/false));
// TODO: compile_pic should be a test argument.
{
{
jobject class_loader = nullptr;
+ ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
TimingLogger timings("ImageTest::WriteRead", false, false);
TimingLogger::ScopedTiming t("CompileAll", &timings);
+ for (const DexFile* dex_file : class_linker->GetBootClassPath()) {
+ dex_file->EnableWrite();
+ }
compiler_driver_->SetDexFilesForOatFile(class_linker->GetBootClassPath());
compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings);
@@ -213,13 +209,7 @@ void ImageTest::TestWriteRead(ImageHeader::StorageMode storage_mode) {
gc::space::ImageSpace* image_space = heap->GetBootImageSpace();
ASSERT_TRUE(image_space != nullptr);
- if (storage_mode == ImageHeader::kStorageModeUncompressed) {
- // Uncompressed, image should be smaller than file.
- ASSERT_LE(image_space->Size(), image_file_size);
- } else {
- // Compressed, file should be smaller than image.
- ASSERT_LE(image_file_size, image_space->Size());
- }
+ ASSERT_LE(image_space->Size(), image_file_size);
image_space->VerifyImageAllocations();
uint8_t* image_begin = image_space->Begin();
@@ -247,14 +237,6 @@ void ImageTest::TestWriteRead(ImageHeader::StorageMode storage_mode) {
CHECK_EQ(0, rmdir_result);
}
-TEST_F(ImageTest, WriteReadUncompressed) {
- TestWriteRead(ImageHeader::kStorageModeUncompressed);
-}
-
-TEST_F(ImageTest, WriteReadLZ4) {
- TestWriteRead(ImageHeader::kStorageModeLZ4);
-}
-
TEST_F(ImageTest, ImageHeaderIsValid) {
uint32_t image_begin = ART_BASE_ADDRESS;
uint32_t image_size_ = 16 * KB;
@@ -275,9 +257,7 @@ TEST_F(ImageTest, ImageHeaderIsValid) {
oat_data_end,
oat_file_end,
sizeof(void*),
- /*compile_pic*/false,
- ImageHeader::kDefaultStorageMode,
- /*data_size*/0u);
+ /*compile_pic*/false);
ASSERT_TRUE(image_header.IsValid());
char* magic = const_cast<char*>(image_header.GetMagic());
diff --git a/compiler/image_writer.cc b/compiler/image_writer.cc
index f9f0eb8154..bf1fcdd5f5 100644
--- a/compiler/image_writer.cc
+++ b/compiler/image_writer.cc
@@ -17,7 +17,6 @@
#include "image_writer.h"
#include <sys/stat.h>
-#include <lz4.h>
#include <memory>
#include <numeric>
@@ -226,72 +225,27 @@ bool ImageWriter::Write(int image_fd,
return EXIT_FAILURE;
}
- std::unique_ptr<char[]> compressed_data;
- // Image data size excludes the bitmap and the header.
- ImageHeader* const image_header = reinterpret_cast<ImageHeader*>(image_->Begin());
- const size_t image_data_size = image_header->GetImageSize() - sizeof(ImageHeader);
- char* image_data = reinterpret_cast<char*>(image_->Begin()) + sizeof(ImageHeader);
- size_t data_size;
- const char* image_data_to_write;
-
- CHECK_EQ(image_header->storage_mode_, image_storage_mode_);
- switch (image_storage_mode_) {
- case ImageHeader::kStorageModeLZ4: {
- size_t compressed_max_size = LZ4_compressBound(image_data_size);
- compressed_data.reset(new char[compressed_max_size]);
- data_size = LZ4_compress(
- reinterpret_cast<char*>(image_->Begin()) + sizeof(ImageHeader),
- &compressed_data[0],
- image_data_size);
- image_data_to_write = &compressed_data[0];
- VLOG(compiler) << "Compressed from " << image_data_size << " to " << data_size;
- break;
- }
- case ImageHeader::kStorageModeUncompressed: {
- data_size = image_data_size;
- image_data_to_write = image_data;
- break;
- }
- default: {
- LOG(FATAL) << "Unsupported";
- UNREACHABLE();
- }
- }
-
- // Write header first, as uncompressed.
- image_header->data_size_ = data_size;
- if (!image_file->WriteFully(image_->Begin(), sizeof(ImageHeader))) {
- PLOG(ERROR) << "Failed to write image file header " << image_filename;
- image_file->Erase();
- return false;
- }
-
// Write out the image + fields + methods.
- const bool is_compressed = compressed_data != nullptr;
- if (!image_file->WriteFully(image_data_to_write, data_size)) {
- PLOG(ERROR) << "Failed to write image file data " << image_filename;
+ ImageHeader* const image_header = reinterpret_cast<ImageHeader*>(image_->Begin());
+ const auto write_count = image_header->GetImageSize();
+ if (!image_file->WriteFully(image_->Begin(), write_count)) {
+ PLOG(ERROR) << "Failed to write image file " << image_filename;
image_file->Erase();
return false;
}
- // Write out the image bitmap at the page aligned start of the image end, also uncompressed for
- // convenience.
+ // Write out the image bitmap at the page aligned start of the image end.
const ImageSection& bitmap_section = image_header->GetImageSection(
ImageHeader::kSectionImageBitmap);
- // Align up since data size may be unaligned if the image is compressed.
- size_t bitmap_position_in_file = RoundUp(sizeof(ImageHeader) + data_size, kPageSize);
- if (!is_compressed) {
- CHECK_EQ(bitmap_position_in_file, bitmap_section.Offset());
- }
+ CHECK_ALIGNED(bitmap_section.Offset(), kPageSize);
if (!image_file->Write(reinterpret_cast<char*>(image_bitmap_->Begin()),
- bitmap_section.Size(),
- bitmap_position_in_file)) {
+ bitmap_section.Size(), bitmap_section.Offset())) {
PLOG(ERROR) << "Failed to write image file " << image_filename;
image_file->Erase();
return false;
}
- CHECK_EQ(bitmap_position_in_file + bitmap_section.Size(),
- static_cast<size_t>(image_file->GetLength()));
+
+ CHECK_EQ(bitmap_section.End(), static_cast<size_t>(image_file->GetLength()));
if (image_file->FlushCloseOrErase() != 0) {
PLOG(ERROR) << "Failed to flush and close image file " << image_filename;
return false;
@@ -1293,8 +1247,7 @@ void ImageWriter::CreateHeader(size_t oat_loaded_size, size_t oat_data_offset) {
}
CHECK_EQ(AlignUp(image_begin_ + image_end, kPageSize), oat_file_begin) <<
"Oat file should be right after the image.";
- // Create the header, leave 0 for data size since we will fill this in as we are writing the
- // image.
+ // Create the header.
new (image_->Begin()) ImageHeader(PointerToLowMemUInt32(image_begin_),
image_end,
sections,
@@ -1305,9 +1258,7 @@ void ImageWriter::CreateHeader(size_t oat_loaded_size, size_t oat_data_offset) {
PointerToLowMemUInt32(oat_data_end),
PointerToLowMemUInt32(oat_file_end),
target_ptr_size_,
- compile_pic_,
- image_storage_mode_,
- /*data_size*/0u);
+ compile_pic_);
}
ArtMethod* ImageWriter::GetImageMethodAddress(ArtMethod* method) {
diff --git a/compiler/image_writer.h b/compiler/image_writer.h
index c20d83639a..386838fde0 100644
--- a/compiler/image_writer.h
+++ b/compiler/image_writer.h
@@ -30,7 +30,6 @@
#include "base/macros.h"
#include "driver/compiler_driver.h"
#include "gc/space/space.h"
-#include "image.h"
#include "length_prefixed_array.h"
#include "lock_word.h"
#include "mem_map.h"
@@ -55,8 +54,7 @@ class ImageWriter FINAL {
ImageWriter(const CompilerDriver& compiler_driver,
uintptr_t image_begin,
bool compile_pic,
- bool compile_app_image,
- ImageHeader::StorageMode image_storage_mode)
+ bool compile_app_image)
: compiler_driver_(compiler_driver),
image_begin_(reinterpret_cast<uint8_t*>(image_begin)),
image_end_(0),
@@ -75,8 +73,7 @@ class ImageWriter FINAL {
image_method_array_(ImageHeader::kImageMethodsCount),
dirty_methods_(0u),
clean_methods_(0u),
- class_table_bytes_(0u),
- image_storage_mode_(image_storage_mode) {
+ class_table_bytes_(0u) {
CHECK_NE(image_begin, 0U);
std::fill_n(image_methods_, arraysize(image_methods_), nullptr);
std::fill_n(oat_address_offsets_, arraysize(oat_address_offsets_), 0);
@@ -463,9 +460,6 @@ class ImageWriter FINAL {
// Number of image class table bytes.
size_t class_table_bytes_;
- // Which mode the image is stored as, see image.h
- const ImageHeader::StorageMode image_storage_mode_;
-
friend class ContainsBootClassLoaderNonImageClassVisitor;
friend class FixupClassVisitor;
friend class FixupRootVisitor;
diff --git a/dex2oat/Android.mk b/dex2oat/Android.mk
index c7dd0e5f6e..e252765eaa 100644
--- a/dex2oat/Android.mk
+++ b/dex2oat/Android.mk
@@ -56,18 +56,18 @@ endif
# We always build dex2oat and dependencies, even if the host build is otherwise disabled, since they are used to cross compile for the target.
ifeq ($(ART_BUILD_HOST_NDEBUG),true)
- $(eval $(call build-art-executable,dex2oat,$(DEX2OAT_SRC_FILES),libcutils libart-compiler libsigchain libziparchive-host liblz4,art/compiler,host,ndebug,$(dex2oat_host_arch)))
+ $(eval $(call build-art-executable,dex2oat,$(DEX2OAT_SRC_FILES),libcutils libart-compiler libsigchain libziparchive-host,art/compiler,host,ndebug,$(dex2oat_host_arch)))
ifeq ($(ART_BUILD_HOST_STATIC),true)
$(eval $(call build-art-executable,dex2oat,$(DEX2OAT_SRC_FILES),libart libart-compiler libart libziparchive-host libnativehelper libnativebridge libsigchain_dummy libvixl liblog libz \
- libbacktrace libLLVMObject libLLVMBitReader libLLVMMC libLLVMMCParser libLLVMCore libLLVMSupport libcutils libunwindbacktrace libutils libbase liblz4,art/compiler,host,ndebug,$(dex2oat_host_arch),static))
+ libbacktrace libLLVMObject libLLVMBitReader libLLVMMC libLLVMMCParser libLLVMCore libLLVMSupport libcutils libunwindbacktrace libutils libbase,art/compiler,host,ndebug,$(dex2oat_host_arch),static))
endif
endif
ifeq ($(ART_BUILD_HOST_DEBUG),true)
- $(eval $(call build-art-executable,dex2oat,$(DEX2OAT_SRC_FILES),libcutils libartd-compiler libsigchain libziparchive-host liblz4,art/compiler,host,debug,$(dex2oat_host_arch)))
+ $(eval $(call build-art-executable,dex2oat,$(DEX2OAT_SRC_FILES),libcutils libartd-compiler libsigchain libziparchive-host,art/compiler,host,debug,$(dex2oat_host_arch)))
ifeq ($(ART_BUILD_HOST_STATIC),true)
$(eval $(call build-art-executable,dex2oat,$(DEX2OAT_SRC_FILES),libartd libartd-compiler libartd libziparchive-host libnativehelper libnativebridge libsigchain_dummy libvixld liblog libz \
- libbacktrace libLLVMObject libLLVMBitReader libLLVMMC libLLVMMCParser libLLVMCore libLLVMSupport libcutils libunwindbacktrace libutils libbase liblz4,art/compiler,host,debug,$(dex2oat_host_arch),static))
+ libbacktrace libLLVMObject libLLVMBitReader libLLVMMC libLLVMMCParser libLLVMCore libLLVMSupport libcutils libunwindbacktrace libutils libbase,art/compiler,host,debug,$(dex2oat_host_arch),static))
endif
endif
diff --git a/dex2oat/dex2oat.cc b/dex2oat/dex2oat.cc
index 87d5a78454..2aa4085fb1 100644
--- a/dex2oat/dex2oat.cc
+++ b/dex2oat/dex2oat.cc
@@ -208,11 +208,6 @@ NO_RETURN static void Usage(const char* fmt, ...) {
UsageError(" --image=<file.art>: specifies the output image filename.");
UsageError(" Example: --image=/system/framework/boot.art");
UsageError("");
- UsageError(" --image-format=(uncompressed|lz4):");
- UsageError(" Which format to store the image.");
- UsageError(" Example: --image-format=lz4");
- UsageError(" Default: uncompressed");
- UsageError("");
UsageError(" --image-classes=<classname-file>: specifies classes to include in an image.");
UsageError(" Example: --image=frameworks/base/preloaded-classes");
UsageError("");
@@ -495,7 +490,6 @@ class Dex2Oat FINAL {
image_base_(0U),
image_classes_zip_filename_(nullptr),
image_classes_filename_(nullptr),
- image_storage_mode_(ImageHeader::kStorageModeUncompressed),
compiled_classes_zip_filename_(nullptr),
compiled_classes_filename_(nullptr),
compiled_methods_zip_filename_(nullptr),
@@ -627,19 +621,6 @@ class Dex2Oat FINAL {
}
}
- void ParseImageFormat(const StringPiece& option) {
- const StringPiece substr("--image-format=");
- DCHECK(option.starts_with(substr));
- const StringPiece format_str = option.substr(substr.length());
- if (format_str == "lz4") {
- image_storage_mode_ = ImageHeader::kStorageModeLZ4;
- } else if (format_str == "uncompressed") {
- image_storage_mode_ = ImageHeader::kStorageModeUncompressed;
- } else {
- Usage("Unknown image format: %s", format_str.data());
- }
- }
-
void ProcessOptions(ParserOptions* parser_options) {
boot_image_ = !image_filename_.empty();
app_image_ = app_image_fd_ != -1 || !app_image_file_name_.empty();
@@ -896,8 +877,6 @@ class Dex2Oat FINAL {
image_classes_filename_ = option.substr(strlen("--image-classes=")).data();
} else if (option.starts_with("--image-classes-zip=")) {
image_classes_zip_filename_ = option.substr(strlen("--image-classes-zip=")).data();
- } else if (option.starts_with("--image-format=")) {
- ParseImageFormat(option);
} else if (option.starts_with("--compiled-classes=")) {
compiled_classes_filename_ = option.substr(strlen("--compiled-classes=")).data();
} else if (option.starts_with("--compiled-classes-zip=")) {
@@ -1664,8 +1643,7 @@ class Dex2Oat FINAL {
image_writer_.reset(new ImageWriter(*driver_,
image_base,
compiler_options_->GetCompilePic(),
- IsAppImage(),
- image_storage_mode_));
+ IsAppImage()));
}
// Let the ImageWriter write the image file. If we do not compile PIC, also fix up the oat file.
@@ -1840,7 +1818,6 @@ class Dex2Oat FINAL {
uintptr_t image_base_;
const char* image_classes_zip_filename_;
const char* image_classes_filename_;
- ImageHeader::StorageMode image_storage_mode_;
const char* compiled_classes_zip_filename_;
const char* compiled_classes_filename_;
const char* compiled_methods_zip_filename_;
diff --git a/patchoat/patchoat.cc b/patchoat/patchoat.cc
index 46ab34bea3..723bb1762d 100644
--- a/patchoat/patchoat.cc
+++ b/patchoat/patchoat.cc
@@ -153,12 +153,6 @@ bool PatchOat::Patch(const std::string& image_location, off_t delta,
return false;
}
- if (image_header.GetStorageMode() != ImageHeader::kStorageModeUncompressed) {
- LOG(ERROR) << "Patchoat is not supported with compressed image files "
- << input_image->GetPath();
- return false;
- }
-
/*bool is_image_pic = */IsImagePic(image_header, input_image->GetPath());
// Nothing special to do right now since the image always needs to get patched.
// Perhaps in some far-off future we may have images with relative addresses that are true-PIC.
diff --git a/runtime/Android.mk b/runtime/Android.mk
index 36c81fb078..74cc89911d 100644
--- a/runtime/Android.mk
+++ b/runtime/Android.mk
@@ -491,9 +491,9 @@ $$(ENUM_OPERATOR_OUT_GEN): $$(GENERATED_SRC_DIR)/%_operator_out.cc : $(LOCAL_PAT
LOCAL_C_INCLUDES += art
ifeq ($$(art_static_or_shared),static)
- LOCAL_STATIC_LIBRARIES := libnativehelper libnativebridge libsigchain_dummy libbacktrace liblz4
+ LOCAL_STATIC_LIBRARIES := libnativehelper libnativebridge libsigchain_dummy libbacktrace
else
- LOCAL_SHARED_LIBRARIES := libnativehelper libnativebridge libsigchain libbacktrace liblz4
+ LOCAL_SHARED_LIBRARIES := libnativehelper libnativebridge libsigchain libbacktrace
endif
ifeq ($$(art_target_or_host),target)
diff --git a/runtime/gc/collector/immune_spaces_test.cc b/runtime/gc/collector/immune_spaces_test.cc
index 4884e668c2..f741117bc1 100644
--- a/runtime/gc/collector/immune_spaces_test.cc
+++ b/runtime/gc/collector/immune_spaces_test.cc
@@ -113,9 +113,7 @@ class DummyImageSpace : public space::ImageSpace {
/*oat_data_end*/PointerToLowMemUInt32(map->End() + oat_size),
/*oat_file_end*/PointerToLowMemUInt32(map->End() + oat_size),
/*pointer_size*/sizeof(void*),
- /*compile_pic*/false,
- ImageHeader::kStorageModeUncompressed,
- /*storage_size*/0u);
+ /*compile_pic*/false);
return new DummyImageSpace(map.release(), live_bitmap.release());
}
};
diff --git a/runtime/gc/space/image_space.cc b/runtime/gc/space/image_space.cc
index 8f67c213a6..e2b2431054 100644
--- a/runtime/gc/space/image_space.cc
+++ b/runtime/gc/space/image_space.cc
@@ -17,12 +17,12 @@
#include "image_space.h"
#include <dirent.h>
-#include <lz4.h>
-#include <random>
#include <sys/statvfs.h>
#include <sys/types.h>
#include <unistd.h>
+#include <random>
+
#include "art_method.h"
#include "base/macros.h"
#include "base/stl_util.h"
@@ -677,12 +677,11 @@ ImageSpace* ImageSpace::Init(const char* image_filename, const char* image_locat
*error_msg = StringPrintf("Invalid image header in '%s'", image_filename);
return nullptr;
}
- // Check that the file is larger or equal to the header size + data size.
- const uint64_t image_file_size = static_cast<uint64_t>(file->GetLength());
- if (image_file_size < sizeof(ImageHeader) + image_header.GetDataSize()) {
- *error_msg = StringPrintf("Image file truncated: %" PRIu64 " vs. %" PRIu64 ".",
- image_file_size,
- image_header.GetDataSize());
+ // Check that the file is large enough.
+ uint64_t image_file_size = static_cast<uint64_t>(file->GetLength());
+ if (image_header.GetImageSize() > image_file_size) {
+ *error_msg = StringPrintf("Image file too small for image heap: %" PRIu64 " vs. %zu.",
+ image_file_size, image_header.GetImageSize());
return nullptr;
}
@@ -698,11 +697,7 @@ ImageSpace* ImageSpace::Init(const char* image_filename, const char* image_locat
}
const auto& bitmap_section = image_header.GetImageSection(ImageHeader::kSectionImageBitmap);
- // The location we want to map from is the first aligned page after the end of the stored
- // (possibly compressed) data.
- const size_t image_bitmap_offset = RoundUp(sizeof(image_header) + image_header.GetDataSize(),
- kPageSize);
- const size_t end_of_bitmap = image_bitmap_offset + bitmap_section.Size();
+ auto end_of_bitmap = static_cast<size_t>(bitmap_section.End());
if (end_of_bitmap != image_file_size) {
*error_msg = StringPrintf(
"Image file size does not equal end of bitmap: size=%" PRIu64 " vs. %zu.", image_file_size,
@@ -711,60 +706,16 @@ ImageSpace* ImageSpace::Init(const char* image_filename, const char* image_locat
}
// Note: The image header is part of the image due to mmap page alignment required of offset.
- std::unique_ptr<MemMap> map;
- if (image_header.GetStorageMode() == ImageHeader::kStorageModeUncompressed) {
- map.reset(MemMap::MapFileAtAddress(image_header.GetImageBegin(),
- image_header.GetImageSize(),
- PROT_READ | PROT_WRITE,
- MAP_PRIVATE,
- file->Fd(),
- 0,
- /*low_4gb*/false,
- /*reuse*/false,
- image_filename,
- error_msg));
- } else {
- // Reserve output and decompress into it.
- map.reset(MemMap::MapAnonymous(image_location,
- image_header.GetImageBegin(),
- image_header.GetImageSize(),
- PROT_READ | PROT_WRITE,
- /*low_4gb*/false,
- /*reuse*/false,
- error_msg));
- if (map != nullptr) {
- const size_t stored_size = image_header.GetDataSize();
- const size_t write_offset = sizeof(image_header); // Skip the header.
- std::unique_ptr<MemMap> temp_map(MemMap::MapFile(sizeof(ImageHeader) + stored_size,
- PROT_READ,
+ std::unique_ptr<MemMap> map(MemMap::MapFileAtAddress(image_header.GetImageBegin(),
+ image_header.GetImageSize(),
+ PROT_READ | PROT_WRITE,
MAP_PRIVATE,
file->Fd(),
- /*offset*/0,
+ 0,
/*low_4gb*/false,
+ /*reuse*/false,
image_filename,
error_msg));
- if (temp_map == nullptr) {
- DCHECK(!error_msg->empty());
- return nullptr;
- }
- memcpy(map->Begin(), &image_header, sizeof(image_header));
- const uint64_t start = NanoTime();
- const size_t decompressed_size = LZ4_decompress_safe(
- reinterpret_cast<char*>(temp_map->Begin()) + sizeof(ImageHeader),
- reinterpret_cast<char*>(map->Begin()) + write_offset,
- stored_size,
- map->Size());
- // TODO: VLOG(image)
- VLOG(class_linker) << "Decompressing image took " << PrettyDuration(NanoTime() - start);
- if (decompressed_size + sizeof(ImageHeader) != image_header.GetImageSize()) {
- *error_msg = StringPrintf("Decompressed size does not match expected image size %zu vs %zu",
- decompressed_size + sizeof(ImageHeader),
- image_header.GetImageSize());
- return nullptr;
- }
- }
- }
-
if (map == nullptr) {
DCHECK(!error_msg->empty());
return nullptr;
@@ -772,16 +723,16 @@ ImageSpace* ImageSpace::Init(const char* image_filename, const char* image_locat
CHECK_EQ(image_header.GetImageBegin(), map->Begin());
DCHECK_EQ(0, memcmp(&image_header, map->Begin(), sizeof(ImageHeader)));
- std::unique_ptr<MemMap> image_bitmap_map(MemMap::MapFileAtAddress(nullptr,
- bitmap_section.Size(),
- PROT_READ, MAP_PRIVATE,
- file->Fd(),
- image_bitmap_offset,
- /*low_4gb*/false,
- /*reuse*/false,
- image_filename,
- error_msg));
- if (image_bitmap_map == nullptr) {
+ std::unique_ptr<MemMap> image_map(MemMap::MapFileAtAddress(nullptr,
+ bitmap_section.Size(),
+ PROT_READ, MAP_PRIVATE,
+ file->Fd(),
+ bitmap_section.Offset(),
+ /*low_4gb*/false,
+ /*reuse*/false,
+ image_filename,
+ error_msg));
+ if (image_map.get() == nullptr) {
*error_msg = StringPrintf("Failed to map image bitmap: %s", error_msg->c_str());
return nullptr;
}
@@ -790,11 +741,9 @@ ImageSpace* ImageSpace::Init(const char* image_filename, const char* image_locat
bitmap_index));
std::unique_ptr<accounting::ContinuousSpaceBitmap> bitmap(
accounting::ContinuousSpaceBitmap::CreateFromMemMap(
- bitmap_name,
- image_bitmap_map.release(),
- reinterpret_cast<uint8_t*>(map->Begin()),
+ bitmap_name, image_map.release(), reinterpret_cast<uint8_t*>(map->Begin()),
accounting::ContinuousSpaceBitmap::ComputeHeapSize(bitmap_section.Size())));
- if (bitmap == nullptr) {
+ if (bitmap.get() == nullptr) {
*error_msg = StringPrintf("Could not create bitmap '%s'", bitmap_name.c_str());
return nullptr;
}
diff --git a/runtime/image.cc b/runtime/image.cc
index 7d2ef75c06..2eac3fb873 100644
--- a/runtime/image.cc
+++ b/runtime/image.cc
@@ -24,7 +24,7 @@
namespace art {
const uint8_t ImageHeader::kImageMagic[] = { 'a', 'r', 't', '\n' };
-const uint8_t ImageHeader::kImageVersion[] = { '0', '2', '4', '\0' };
+const uint8_t ImageHeader::kImageVersion[] = { '0', '2', '3', '\0' };
ImageHeader::ImageHeader(uint32_t image_begin,
uint32_t image_size,
@@ -36,9 +36,7 @@ ImageHeader::ImageHeader(uint32_t image_begin,
uint32_t oat_data_end,
uint32_t oat_file_end,
uint32_t pointer_size,
- bool compile_pic,
- StorageMode storage_mode,
- size_t data_size)
+ bool compile_pic)
: image_begin_(image_begin),
image_size_(image_size),
oat_checksum_(oat_checksum),
@@ -49,9 +47,7 @@ ImageHeader::ImageHeader(uint32_t image_begin,
patch_delta_(0),
image_roots_(image_roots),
pointer_size_(pointer_size),
- compile_pic_(compile_pic),
- storage_mode_(storage_mode),
- data_size_(data_size) {
+ compile_pic_(compile_pic) {
CHECK_EQ(image_begin, RoundUp(image_begin, kPageSize));
CHECK_EQ(oat_file_begin, RoundUp(oat_file_begin, kPageSize));
CHECK_EQ(oat_data_begin, RoundUp(oat_data_begin, kPageSize));
diff --git a/runtime/image.h b/runtime/image.h
index 3032bebc18..a16f3c98fb 100644
--- a/runtime/image.h
+++ b/runtime/image.h
@@ -78,27 +78,10 @@ class PACKED(4) ImageSection {
// header of image files written by ImageWriter, read and validated by Space.
class PACKED(4) ImageHeader {
public:
- enum StorageMode : uint32_t {
- kStorageModeUncompressed,
- kStorageModeLZ4,
- kStorageModeCount, // Number of elements in enum.
- };
- static constexpr StorageMode kDefaultStorageMode = kStorageModeUncompressed;
-
ImageHeader()
- : image_begin_(0U),
- image_size_(0U),
- oat_checksum_(0U),
- oat_file_begin_(0U),
- oat_data_begin_(0U),
- oat_data_end_(0U),
- oat_file_end_(0U),
- patch_delta_(0),
- image_roots_(0U),
- pointer_size_(0U),
- compile_pic_(0),
- storage_mode_(kDefaultStorageMode),
- data_size_(0) {}
+ : image_begin_(0U), image_size_(0U), oat_checksum_(0U), oat_file_begin_(0U),
+ oat_data_begin_(0U), oat_data_end_(0U), oat_file_end_(0U), patch_delta_(0),
+ image_roots_(0U), pointer_size_(0U), compile_pic_(0) {}
ImageHeader(uint32_t image_begin,
uint32_t image_size,
@@ -110,9 +93,7 @@ class PACKED(4) ImageHeader {
uint32_t oat_data_end,
uint32_t oat_file_end,
uint32_t pointer_size,
- bool compile_pic,
- StorageMode storage_mode,
- size_t data_size);
+ bool compile_pic);
bool IsValid() const;
const char* GetMagic() const;
@@ -213,14 +194,6 @@ class PACKED(4) ImageHeader {
return compile_pic_ != 0;
}
- StorageMode GetStorageMode() const {
- return storage_mode_;
- }
-
- uint64_t GetDataSize() const {
- return data_size_;
- }
-
private:
static const uint8_t kImageMagic[4];
static const uint8_t kImageVersion[4];
@@ -268,13 +241,6 @@ class PACKED(4) ImageHeader {
// Image methods.
uint64_t image_methods_[kImageMethodsCount];
- // Storage method for the image, the image may be compressed.
- StorageMode storage_mode_;
-
- // Data size for the image data excluding the bitmap and the header. For compressed images, this
- // is the compressed size in the file.
- uint32_t data_size_;
-
friend class ImageWriter;
};
@@ -282,7 +248,6 @@ std::ostream& operator<<(std::ostream& os, const ImageHeader::ImageMethod& polic
std::ostream& operator<<(std::ostream& os, const ImageHeader::ImageRoot& policy);
std::ostream& operator<<(std::ostream& os, const ImageHeader::ImageSections& section);
std::ostream& operator<<(std::ostream& os, const ImageSection& section);
-std::ostream& operator<<(std::ostream& os, const ImageHeader::StorageMode& mode);
} // namespace art
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-21 05:55:41 +0000