| // Copyright (c) 2016, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| package com.android.tools.r8.dex; |
| |
| public class Constants { |
| |
| public static final byte[] DEX_FILE_MAGIC_PREFIX = {'d', 'e', 'x', '\n'}; |
| public static final byte DEX_FILE_MAGIC_SUFFIX = '\0'; |
| |
| public static final byte[] VDEX_FILE_MAGIC_PREFIX = {'v', 'd', 'e', 'x'}; |
| public static final int VDEX_FILE_VERSION_LENGTH = 4; |
| |
| /** Supported vdex file versions */ |
| public static final int MIN_VDEX_VERSION = 10; |
| public static final int MAX_VDEX_VERSION = 11; |
| |
| // We apply Java 6 class file constraints on DEX files. |
| public static final int CORRESPONDING_CLASS_FILE_VERSION = 50; |
| |
| public static final int DEX_MAGIC_SIZE = 8; |
| |
| public static final int MAGIC_OFFSET = 0; |
| public static final int CHECKSUM_OFFSET = MAGIC_OFFSET + DEX_MAGIC_SIZE; |
| public static final int SIGNATURE_OFFSET = CHECKSUM_OFFSET + 4; |
| public static final int FILE_SIZE_OFFSET = SIGNATURE_OFFSET + 20; |
| public static final int HEADER_SIZE_OFFSET = FILE_SIZE_OFFSET + 4; |
| public static final int ENDIAN_TAG_OFFSET = HEADER_SIZE_OFFSET + 4; |
| public static final int LINK_SIZE_OFFSET = ENDIAN_TAG_OFFSET + 4; |
| public static final int LINK_OFF_OFFSET = LINK_SIZE_OFFSET + 4; |
| public static final int MAP_OFF_OFFSET = LINK_OFF_OFFSET + 4; |
| public static final int STRING_IDS_SIZE_OFFSET = MAP_OFF_OFFSET + 4; |
| public static final int STRING_IDS_OFF_OFFSET = STRING_IDS_SIZE_OFFSET + 4; |
| public static final int TYPE_IDS_SIZE_OFFSET = STRING_IDS_OFF_OFFSET + 4; |
| public static final int TYPE_IDS_OFF_OFFSET = TYPE_IDS_SIZE_OFFSET + 4; |
| public static final int PROTO_IDS_SIZE_OFFSET = TYPE_IDS_OFF_OFFSET + 4; |
| public static final int PROTO_IDS_OFF_OFFSET = PROTO_IDS_SIZE_OFFSET + 4; |
| public static final int FIELD_IDS_SIZE_OFFSET = PROTO_IDS_OFF_OFFSET + 4; |
| public static final int FIELD_IDS_OFF_OFFSET = FIELD_IDS_SIZE_OFFSET + 4; |
| public static final int METHOD_IDS_SIZE_OFFSET = FIELD_IDS_OFF_OFFSET + 4; |
| public static final int METHOD_IDS_OFF_OFFSET = METHOD_IDS_SIZE_OFFSET + 4; |
| public static final int CLASS_DEFS_SIZE_OFFSET = METHOD_IDS_OFF_OFFSET + 4; |
| public static final int CLASS_DEFS_OFF_OFFSET = CLASS_DEFS_SIZE_OFFSET + 4; |
| public static final int DATA_SIZE_OFFSET = CLASS_DEFS_OFF_OFFSET + 4; |
| public static final int DATA_OFF_OFFSET = DATA_SIZE_OFFSET + 4; |
| |
| public static final int ENDIAN_CONSTANT = 0x12345678; |
| public static final int REVERSE_ENDIAN_CONSTANT = 0x78563412; |
| |
| public static final int TYPE_HEADER_ITEM = 0x0; |
| public static final int TYPE_HEADER_ITEM_SIZE = 0x70; |
| public static final int TYPE_STRING_ID_ITEM = 0x0001; |
| public static final int TYPE_STRING_ID_ITEM_SIZE = 0x04; |
| public static final int TYPE_TYPE_ID_ITEM = 0x0002; |
| public static final int TYPE_TYPE_ID_ITEM_SIZE = 0x04; |
| public static final int TYPE_PROTO_ID_ITEM = 0x0003; |
| public static final int TYPE_PROTO_ID_ITEM_SIZE = 0x0c; |
| public static final int TYPE_FIELD_ID_ITEM = 0x0004; |
| public static final int TYPE_FIELD_ID_ITEM_SIZE = 0x08; |
| public static final int TYPE_METHOD_ID_ITEM = 0x0005; |
| public static final int TYPE_METHOD_ID_ITEM_SIZE = 0x08; |
| public static final int TYPE_CLASS_DEF_ITEM = 0x0006; |
| public static final int TYPE_CLASS_DEF_ITEM_SIZE = 0x20; |
| public static final int TYPE_CALL_SITE_ID_ITEM = 0x0007; |
| public static final int TYPE_CALL_SITE_ID_ITEM_SIZE = 0x04; |
| public static final int TYPE_METHOD_HANDLE_ITEM = 0x0008; |
| public static final int TYPE_METHOD_HANDLE_ITEM_SIZE = 0x0008; |
| public static final int TYPE_MAP_LIST = 0x1000; |
| public static final int TYPE_MAP_LIST_ITEM_SIZE = 0x0c; |
| public static final int TYPE_TYPE_LIST = 0x1001; |
| public static final int TYPE_ANNOTATION_SET_REF_LIST = 0x1002; |
| public static final int TYPE_ANNOTATION_SET_ITEM = 0x1003; |
| public static final int TYPE_CLASS_DATA_ITEM = 0x2000; |
| public static final int TYPE_CODE_ITEM = 0x2001; |
| public static final int TYPE_STRING_DATA_ITEM = 0x2002; |
| public static final int TYPE_DEBUG_INFO_ITEM = 0x2003; |
| public static final int TYPE_ANNOTATION_ITEM = 0x2004; |
| public static final int TYPE_ENCODED_ARRAY_ITEM = 0x2005; |
| public static final int TYPE_ANNOTATIONS_DIRECTORY_ITEM = 0x2006; |
| |
| public static final int DBG_START_LOCAL = 0x03; |
| public static final int DBG_START_LOCAL_EXTENDED = 0x04; |
| public static final int DBG_END_LOCAL = 0x05; |
| public static final int DBG_RESTART_LOCAL = 0x06; |
| public static final int DBG_SET_FILE = 0x09; |
| public static final int DBG_END_SEQUENCE = 0x00; |
| public static final int DBG_ADVANCE_PC = 0x01; |
| public static final int DBG_ADVANCE_LINE = 0x02; |
| public static final int DBG_SET_PROLOGUE_END = 0x07; |
| public static final int DBG_SET_EPILOGUE_BEGIN = 0x08; |
| public static final int DBG_FIRST_SPECIAL = 0x0a; |
| public static final int DBG_LAST_SPECIAL = 0xff; |
| public static final int DBG_LINE_BASE = -4; |
| public static final int DBG_LINE_RANGE = 15; |
| public static final int DBG_ADDRESS_RANGE = 16; |
| |
| public static final int VDEX_MAGIC_SIZE = 8; |
| public static final int VDEX_MAGIC_OFFSET = 0; |
| public static final int VDEX_HEADER_SIZE = 24; |
| public static final int VDEX_NUMBER_OF_DEX_FILES_OFFSET = VDEX_MAGIC_SIZE; |
| public static final int VDEX_CHECKSUM_SECTION_OFFSET = VDEX_HEADER_SIZE; |
| public static final int VDEX_DEX_CHECKSUM_SIZE = 4; |
| |
| public static final int NO_OFFSET = 0; |
| public static final int NO_INDEX = -1; |
| |
| public static final int S4BIT_SIGN_MASK = 1 << 3; |
| public static final int S4BIT_MIN = -(1 << 3); |
| public static final int S4BIT_MAX = (1 << 3) - 1; |
| public static final int S8BIT_MIN = -(1 << 7); |
| public static final int S8BIT_MAX = (1 << 7) - 1; |
| |
| public static final int U4BIT_MAX = (1 << 4) - 1; |
| public static final int U8BIT_MAX = (1 << 8) - 1; |
| public static final int U16BIT_MAX = (1 << 16) - 1; |
| public static final long U32BIT_MAX = (1L << 32) - 1; |
| public static final int ACC_PUBLIC = 0x1; |
| public static final int ACC_PRIVATE = 0x2; |
| public static final int ACC_PROTECTED = 0x4; |
| public static final int ACC_STATIC = 0x8; |
| public static final int ACC_FINAL = 0x10; |
| public static final int ACC_SUPER = 0x20; |
| public static final int ACC_SYNCHRONIZED = 0x20; |
| public static final int ACC_VOLATILE = 0x40; |
| public static final int ACC_BRIDGE = 0x40; |
| public static final int ACC_TRANSIENT = 0x80; |
| public static final int ACC_VARARGS = 0x80; |
| public static final int ACC_NATIVE = 0x100; |
| public static final int ACC_INTERFACE = 0x200; |
| public static final int ACC_ABSTRACT = 0x400; |
| public static final int ACC_STRICT = 0x800; |
| public static final int ACC_SYNTHETIC = 0x1000; |
| public static final int ACC_ANNOTATION = 0x2000; |
| public static final int ACC_ENUM = 0x4000; |
| public static final int ACC_CONSTRUCTOR = 0x10000; |
| public static final int ACC_DECLARED_SYNCHRONIZED = 0x20000; |
| |
| public static final String JAVA_LANG_OBJECT_NAME = "java/lang/Object"; |
| public static final String INSTANCE_INITIALIZER_NAME = "<init>"; |
| public static final String CLASS_INITIALIZER_NAME = "<clinit>"; |
| |
| public static final int MAX_NON_JUMBO_INDEX = U16BIT_MAX; |
| |
| public static final int KILOBYTE = 1 << 10; |
| } |
