Revert "Revert "Add dex file writer to dexlayout tool.""
This reverts commit fd1a6c2a08ca3e2476b7424b9b0fa58e73b29e87.
Fixed output being clobbered during DexLayoutTest.DexFileOutput.
Option added to put dex output file in scratch directory.
Bug: 29921113
Test: mm test-art-host-gtest-dexlayout_test
Change-Id: I9e6b139cf06aaa39c83ad1e74329db266464a8e4
diff --git a/dexlayout/dex_writer.h b/dexlayout/dex_writer.h
new file mode 100644
index 0000000..9104295
--- /dev/null
+++ b/dexlayout/dex_writer.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 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.
+ *
+ * Header file of an in-memory representation of DEX files.
+ */
+
+#ifndef ART_DEXLAYOUT_DEX_WRITER_H_
+#define ART_DEXLAYOUT_DEX_WRITER_H_
+
+#include "base/unix_file/fd_file.h"
+#include "dex_ir.h"
+#include "os.h"
+
+namespace art {
+
+class DexWriter {
+ public:
+ DexWriter(dex_ir::Header& header, const char* file_name) : header_(header),
+ dex_file_(OS::CreateEmptyFileWriteOnly(file_name)) { }
+
+ static void OutputDexFile(dex_ir::Header& header, const char* file_name);
+
+ private:
+ void WriteFile();
+
+ size_t Write(const void* buffer, size_t length, size_t offset);
+ size_t WriteSleb128(uint32_t value, size_t offset);
+ size_t WriteUleb128(uint32_t value, size_t offset);
+ size_t WriteEncodedValue(dex_ir::EncodedValue* encoded_value, size_t offset);
+ size_t WriteEncodedValueHeader(int8_t value_type, size_t value_arg, size_t offset);
+ size_t WriteEncodedArray(dex_ir::EncodedValueVector* values, size_t offset);
+ size_t WriteEncodedAnnotation(dex_ir::EncodedAnnotation* annotation, size_t offset);
+ size_t WriteEncodedFields(dex_ir::FieldItemVector* fields, size_t offset);
+ size_t WriteEncodedMethods(dex_ir::MethodItemVector* methods, size_t offset);
+
+ void WriteStrings();
+ void WriteTypes();
+ void WriteTypeLists();
+ void WriteProtos();
+ void WriteFields();
+ void WriteMethods();
+ void WriteEncodedArrays();
+ void WriteAnnotations();
+ void WriteAnnotationSets();
+ void WriteAnnotationSetRefs();
+ void WriteAnnotationsDirectories();
+ void WriteDebugInfoItems();
+ void WriteCodeItems();
+ void WriteClasses();
+ void WriteMapItem();
+ void WriteHeader();
+
+ dex_ir::Header& header_;
+ std::unique_ptr<File> dex_file_;
+
+ DISALLOW_COPY_AND_ASSIGN(DexWriter);
+};
+
+
+} // namespace art
+
+#endif // ART_DEXLAYOUT_DEX_WRITER_H_