Updating the compiler to use the new-world model

New compiler is integrated and passes first test (Fibonacci).

Change-Id: Ic5448ab89ebd22baa30fafc3d1300324687d1fc2
diff --git a/src/compiler/CompilerIR.h b/src/compiler/CompilerIR.h
index 02b5dfa..643e795 100644
--- a/src/compiler/CompilerIR.h
+++ b/src/compiler/CompilerIR.h
@@ -18,6 +18,7 @@
 #define ART_SRC_COMPILER_COMPILER_IR_H_
 
 #include "codegen/Optimizer.h"
+#include <vector>
 
 typedef enum RegisterClass {
     kCoreReg,
@@ -197,8 +198,7 @@
     int totalSize;                      // header + code size
     AssemblerStatus assemblerStatus;    // Success or fix and retry
     int assemblerRetries;
-    unsigned char* codeBuffer;
-    void* baseAddr;
+    std::vector<short>codeBuffer;
     bool printMe;
     bool printMeVerbose;
     bool hasClassLiterals;              // Contains class ptrs used as literals
diff --git a/src/compiler/Dalvik.h b/src/compiler/Dalvik.h
index 4e93c9c..a9ddcd8 100644
--- a/src/compiler/Dalvik.h
+++ b/src/compiler/Dalvik.h
@@ -24,12 +24,14 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <assert.h>
-#include "../logging.h"
+#include "logging.h"
+#include "object.h"
+#include "thread.h"
+#include "class_linker.h"
+#include "dex_cache.h"
+#include "utils.h"
 
 // From Common.h
-#define MIN(x,y) (((x) < (y)) ? (x) : (y))
-#define MAX(x,y) (((x) > (y)) ? (x) : (y))
-
 typedef uint8_t             u1;
 typedef uint16_t            u2;
 typedef uint32_t            u4;
@@ -40,667 +42,27 @@
 typedef int64_t             s8;
 typedef unsigned long long  u8;
 
-struct Object;
+//Skip old DexFile.h
+#define LIBDEX_DEXFILE_H_
+//Skip old vm/Common.h
+#define DALVIK_COMMON_H_
+//Make inlines inline
+#define DEX_INLINE inline
+#include "DexOpcodes.h"
+#include "InstrUtils.h"
 
-union JValue {
-    u1      z;
-    s1      b;
-    u2      c;
-    s2      s;
-    s4      i;
-    s8      j;
-    float   f;
-    double  d;
-    Object* l;
-};
-
-
-// From libdex/DexOpcodes.h
-#define kNumPackedOpcodes 0x200
-#define kPackedSwitchSignature 0x0100
-#define kSparseSwitchSignature 0x0200
-#define kArrayDataSignature 0x0300
-enum Opcode {
-    // BEGIN(libdex-opcode-enum); GENERATED AUTOMATICALLY BY opcode-gen
-    OP_NOP                          = 0x00,
-    OP_MOVE                         = 0x01,
-    OP_MOVE_FROM16                  = 0x02,
-    OP_MOVE_16                      = 0x03,
-    OP_MOVE_WIDE                    = 0x04,
-    OP_MOVE_WIDE_FROM16             = 0x05,
-    OP_MOVE_WIDE_16                 = 0x06,
-    OP_MOVE_OBJECT                  = 0x07,
-    OP_MOVE_OBJECT_FROM16           = 0x08,
-    OP_MOVE_OBJECT_16               = 0x09,
-    OP_MOVE_RESULT                  = 0x0a,
-    OP_MOVE_RESULT_WIDE             = 0x0b,
-    OP_MOVE_RESULT_OBJECT           = 0x0c,
-    OP_MOVE_EXCEPTION               = 0x0d,
-    OP_RETURN_VOID                  = 0x0e,
-    OP_RETURN                       = 0x0f,
-    OP_RETURN_WIDE                  = 0x10,
-    OP_RETURN_OBJECT                = 0x11,
-    OP_CONST_4                      = 0x12,
-    OP_CONST_16                     = 0x13,
-    OP_CONST                        = 0x14,
-    OP_CONST_HIGH16                 = 0x15,
-    OP_CONST_WIDE_16                = 0x16,
-    OP_CONST_WIDE_32                = 0x17,
-    OP_CONST_WIDE                   = 0x18,
-    OP_CONST_WIDE_HIGH16            = 0x19,
-    OP_CONST_STRING                 = 0x1a,
-    OP_CONST_STRING_JUMBO           = 0x1b,
-    OP_CONST_CLASS                  = 0x1c,
-    OP_MONITOR_ENTER                = 0x1d,
-    OP_MONITOR_EXIT                 = 0x1e,
-    OP_CHECK_CAST                   = 0x1f,
-    OP_INSTANCE_OF                  = 0x20,
-    OP_ARRAY_LENGTH                 = 0x21,
-    OP_NEW_INSTANCE                 = 0x22,
-    OP_NEW_ARRAY                    = 0x23,
-    OP_FILLED_NEW_ARRAY             = 0x24,
-    OP_FILLED_NEW_ARRAY_RANGE       = 0x25,
-    OP_FILL_ARRAY_DATA              = 0x26,
-    OP_THROW                        = 0x27,
-    OP_GOTO                         = 0x28,
-    OP_GOTO_16                      = 0x29,
-    OP_GOTO_32                      = 0x2a,
-    OP_PACKED_SWITCH                = 0x2b,
-    OP_SPARSE_SWITCH                = 0x2c,
-    OP_CMPL_FLOAT                   = 0x2d,
-    OP_CMPG_FLOAT                   = 0x2e,
-    OP_CMPL_DOUBLE                  = 0x2f,
-    OP_CMPG_DOUBLE                  = 0x30,
-    OP_CMP_LONG                     = 0x31,
-    OP_IF_EQ                        = 0x32,
-    OP_IF_NE                        = 0x33,
-    OP_IF_LT                        = 0x34,
-    OP_IF_GE                        = 0x35,
-    OP_IF_GT                        = 0x36,
-    OP_IF_LE                        = 0x37,
-    OP_IF_EQZ                       = 0x38,
-    OP_IF_NEZ                       = 0x39,
-    OP_IF_LTZ                       = 0x3a,
-    OP_IF_GEZ                       = 0x3b,
-    OP_IF_GTZ                       = 0x3c,
-    OP_IF_LEZ                       = 0x3d,
-    OP_UNUSED_3E                    = 0x3e,
-    OP_UNUSED_3F                    = 0x3f,
-    OP_UNUSED_40                    = 0x40,
-    OP_UNUSED_41                    = 0x41,
-    OP_UNUSED_42                    = 0x42,
-    OP_UNUSED_43                    = 0x43,
-    OP_AGET                         = 0x44,
-    OP_AGET_WIDE                    = 0x45,
-    OP_AGET_OBJECT                  = 0x46,
-    OP_AGET_BOOLEAN                 = 0x47,
-    OP_AGET_BYTE                    = 0x48,
-    OP_AGET_CHAR                    = 0x49,
-    OP_AGET_SHORT                   = 0x4a,
-    OP_APUT                         = 0x4b,
-    OP_APUT_WIDE                    = 0x4c,
-    OP_APUT_OBJECT                  = 0x4d,
-    OP_APUT_BOOLEAN                 = 0x4e,
-    OP_APUT_BYTE                    = 0x4f,
-    OP_APUT_CHAR                    = 0x50,
-    OP_APUT_SHORT                   = 0x51,
-    OP_IGET                         = 0x52,
-    OP_IGET_WIDE                    = 0x53,
-    OP_IGET_OBJECT                  = 0x54,
-    OP_IGET_BOOLEAN                 = 0x55,
-    OP_IGET_BYTE                    = 0x56,
-    OP_IGET_CHAR                    = 0x57,
-    OP_IGET_SHORT                   = 0x58,
-    OP_IPUT                         = 0x59,
-    OP_IPUT_WIDE                    = 0x5a,
-    OP_IPUT_OBJECT                  = 0x5b,
-    OP_IPUT_BOOLEAN                 = 0x5c,
-    OP_IPUT_BYTE                    = 0x5d,
-    OP_IPUT_CHAR                    = 0x5e,
-    OP_IPUT_SHORT                   = 0x5f,
-    OP_SGET                         = 0x60,
-    OP_SGET_WIDE                    = 0x61,
-    OP_SGET_OBJECT                  = 0x62,
-    OP_SGET_BOOLEAN                 = 0x63,
-    OP_SGET_BYTE                    = 0x64,
-    OP_SGET_CHAR                    = 0x65,
-    OP_SGET_SHORT                   = 0x66,
-    OP_SPUT                         = 0x67,
-    OP_SPUT_WIDE                    = 0x68,
-    OP_SPUT_OBJECT                  = 0x69,
-    OP_SPUT_BOOLEAN                 = 0x6a,
-    OP_SPUT_BYTE                    = 0x6b,
-    OP_SPUT_CHAR                    = 0x6c,
-    OP_SPUT_SHORT                   = 0x6d,
-    OP_INVOKE_VIRTUAL               = 0x6e,
-    OP_INVOKE_SUPER                 = 0x6f,
-    OP_INVOKE_DIRECT                = 0x70,
-    OP_INVOKE_STATIC                = 0x71,
-    OP_INVOKE_INTERFACE             = 0x72,
-    OP_UNUSED_73                    = 0x73,
-    OP_INVOKE_VIRTUAL_RANGE         = 0x74,
-    OP_INVOKE_SUPER_RANGE           = 0x75,
-    OP_INVOKE_DIRECT_RANGE          = 0x76,
-    OP_INVOKE_STATIC_RANGE          = 0x77,
-    OP_INVOKE_INTERFACE_RANGE       = 0x78,
-    OP_UNUSED_79                    = 0x79,
-    OP_UNUSED_7A                    = 0x7a,
-    OP_NEG_INT                      = 0x7b,
-    OP_NOT_INT                      = 0x7c,
-    OP_NEG_LONG                     = 0x7d,
-    OP_NOT_LONG                     = 0x7e,
-    OP_NEG_FLOAT                    = 0x7f,
-    OP_NEG_DOUBLE                   = 0x80,
-    OP_INT_TO_LONG                  = 0x81,
-    OP_INT_TO_FLOAT                 = 0x82,
-    OP_INT_TO_DOUBLE                = 0x83,
-    OP_LONG_TO_INT                  = 0x84,
-    OP_LONG_TO_FLOAT                = 0x85,
-    OP_LONG_TO_DOUBLE               = 0x86,
-    OP_FLOAT_TO_INT                 = 0x87,
-    OP_FLOAT_TO_LONG                = 0x88,
-    OP_FLOAT_TO_DOUBLE              = 0x89,
-    OP_DOUBLE_TO_INT                = 0x8a,
-    OP_DOUBLE_TO_LONG               = 0x8b,
-    OP_DOUBLE_TO_FLOAT              = 0x8c,
-    OP_INT_TO_BYTE                  = 0x8d,
-    OP_INT_TO_CHAR                  = 0x8e,
-    OP_INT_TO_SHORT                 = 0x8f,
-    OP_ADD_INT                      = 0x90,
-    OP_SUB_INT                      = 0x91,
-    OP_MUL_INT                      = 0x92,
-    OP_DIV_INT                      = 0x93,
-    OP_REM_INT                      = 0x94,
-    OP_AND_INT                      = 0x95,
-    OP_OR_INT                       = 0x96,
-    OP_XOR_INT                      = 0x97,
-    OP_SHL_INT                      = 0x98,
-    OP_SHR_INT                      = 0x99,
-    OP_USHR_INT                     = 0x9a,
-    OP_ADD_LONG                     = 0x9b,
-    OP_SUB_LONG                     = 0x9c,
-    OP_MUL_LONG                     = 0x9d,
-    OP_DIV_LONG                     = 0x9e,
-    OP_REM_LONG                     = 0x9f,
-    OP_AND_LONG                     = 0xa0,
-    OP_OR_LONG                      = 0xa1,
-    OP_XOR_LONG                     = 0xa2,
-    OP_SHL_LONG                     = 0xa3,
-    OP_SHR_LONG                     = 0xa4,
-    OP_USHR_LONG                    = 0xa5,
-    OP_ADD_FLOAT                    = 0xa6,
-    OP_SUB_FLOAT                    = 0xa7,
-    OP_MUL_FLOAT                    = 0xa8,
-    OP_DIV_FLOAT                    = 0xa9,
-    OP_REM_FLOAT                    = 0xaa,
-    OP_ADD_DOUBLE                   = 0xab,
-    OP_SUB_DOUBLE                   = 0xac,
-    OP_MUL_DOUBLE                   = 0xad,
-    OP_DIV_DOUBLE                   = 0xae,
-    OP_REM_DOUBLE                   = 0xaf,
-    OP_ADD_INT_2ADDR                = 0xb0,
-    OP_SUB_INT_2ADDR                = 0xb1,
-    OP_MUL_INT_2ADDR                = 0xb2,
-    OP_DIV_INT_2ADDR                = 0xb3,
-    OP_REM_INT_2ADDR                = 0xb4,
-    OP_AND_INT_2ADDR                = 0xb5,
-    OP_OR_INT_2ADDR                 = 0xb6,
-    OP_XOR_INT_2ADDR                = 0xb7,
-    OP_SHL_INT_2ADDR                = 0xb8,
-    OP_SHR_INT_2ADDR                = 0xb9,
-    OP_USHR_INT_2ADDR               = 0xba,
-    OP_ADD_LONG_2ADDR               = 0xbb,
-    OP_SUB_LONG_2ADDR               = 0xbc,
-    OP_MUL_LONG_2ADDR               = 0xbd,
-    OP_DIV_LONG_2ADDR               = 0xbe,
-    OP_REM_LONG_2ADDR               = 0xbf,
-    OP_AND_LONG_2ADDR               = 0xc0,
-    OP_OR_LONG_2ADDR                = 0xc1,
-    OP_XOR_LONG_2ADDR               = 0xc2,
-    OP_SHL_LONG_2ADDR               = 0xc3,
-    OP_SHR_LONG_2ADDR               = 0xc4,
-    OP_USHR_LONG_2ADDR              = 0xc5,
-    OP_ADD_FLOAT_2ADDR              = 0xc6,
-    OP_SUB_FLOAT_2ADDR              = 0xc7,
-    OP_MUL_FLOAT_2ADDR              = 0xc8,
-    OP_DIV_FLOAT_2ADDR              = 0xc9,
-    OP_REM_FLOAT_2ADDR              = 0xca,
-    OP_ADD_DOUBLE_2ADDR             = 0xcb,
-    OP_SUB_DOUBLE_2ADDR             = 0xcc,
-    OP_MUL_DOUBLE_2ADDR             = 0xcd,
-    OP_DIV_DOUBLE_2ADDR             = 0xce,
-    OP_REM_DOUBLE_2ADDR             = 0xcf,
-    OP_ADD_INT_LIT16                = 0xd0,
-    OP_RSUB_INT                     = 0xd1,
-    OP_MUL_INT_LIT16                = 0xd2,
-    OP_DIV_INT_LIT16                = 0xd3,
-    OP_REM_INT_LIT16                = 0xd4,
-    OP_AND_INT_LIT16                = 0xd5,
-    OP_OR_INT_LIT16                 = 0xd6,
-    OP_XOR_INT_LIT16                = 0xd7,
-    OP_ADD_INT_LIT8                 = 0xd8,
-    OP_RSUB_INT_LIT8                = 0xd9,
-    OP_MUL_INT_LIT8                 = 0xda,
-    OP_DIV_INT_LIT8                 = 0xdb,
-    OP_REM_INT_LIT8                 = 0xdc,
-    OP_AND_INT_LIT8                 = 0xdd,
-    OP_OR_INT_LIT8                  = 0xde,
-    OP_XOR_INT_LIT8                 = 0xdf,
-    OP_SHL_INT_LIT8                 = 0xe0,
-    OP_SHR_INT_LIT8                 = 0xe1,
-    OP_USHR_INT_LIT8                = 0xe2,
-    OP_IGET_VOLATILE                = 0xe3,
-    OP_IPUT_VOLATILE                = 0xe4,
-    OP_SGET_VOLATILE                = 0xe5,
-    OP_SPUT_VOLATILE                = 0xe6,
-    OP_IGET_OBJECT_VOLATILE         = 0xe7,
-    OP_IGET_WIDE_VOLATILE           = 0xe8,
-    OP_IPUT_WIDE_VOLATILE           = 0xe9,
-    OP_SGET_WIDE_VOLATILE           = 0xea,
-    OP_SPUT_WIDE_VOLATILE           = 0xeb,
-    OP_BREAKPOINT                   = 0xec,
-    OP_THROW_VERIFICATION_ERROR     = 0xed,
-    OP_EXECUTE_INLINE               = 0xee,
-    OP_EXECUTE_INLINE_RANGE         = 0xef,
-    OP_INVOKE_OBJECT_INIT_RANGE     = 0xf0,
-    OP_RETURN_VOID_BARRIER          = 0xf1,
-    OP_IGET_QUICK                   = 0xf2,
-    OP_IGET_WIDE_QUICK              = 0xf3,
-    OP_IGET_OBJECT_QUICK            = 0xf4,
-    OP_IPUT_QUICK                   = 0xf5,
-    OP_IPUT_WIDE_QUICK              = 0xf6,
-    OP_IPUT_OBJECT_QUICK            = 0xf7,
-    OP_INVOKE_VIRTUAL_QUICK         = 0xf8,
-    OP_INVOKE_VIRTUAL_QUICK_RANGE   = 0xf9,
-    OP_INVOKE_SUPER_QUICK           = 0xfa,
-    OP_INVOKE_SUPER_QUICK_RANGE     = 0xfb,
-    OP_IPUT_OBJECT_VOLATILE         = 0xfc,
-    OP_SGET_OBJECT_VOLATILE         = 0xfd,
-    OP_SPUT_OBJECT_VOLATILE         = 0xfe,
-};
+typedef art::JValue JValue;
+typedef art::Thread Thread;
+typedef art::Class Class;
+typedef art::Array Array;
+typedef art::Method Method;
+typedef art::Object Object;
+typedef art::Field Field;
+typedef art::String String;
 
 // From alloc/CardTable.h
 #define GC_CARD_SHIFT 7
 
-// From all/Alloc.h
-/* flags for dvmMalloc */
-enum {
-    ALLOC_DEFAULT = 0x00,
-    ALLOC_DONT_TRACK = 0x01,  /* don't add to internal tracking list */
-    ALLOC_NON_MOVING = 0x02,
-};
-
-
-// From oo/Object.h
-struct ClassObject;
-struct ArrayObject;
-struct DvmDex;
-struct Method;
-
-struct Object {
-    ClassObject* clazz;
-    u4 lock;
-    Method** vtable;
-    int vtableCount;
-    u4 accessFlags;
-};
-
-struct ArrayObject : Object {
-    u4              length;
-    u8              contents[1];
-};
-
-struct ClassObject : Object {
-    const char* descriptor;
-    DvmDex* pDvmDex;
-    ClassObject* super;
-};
-
-// From InstrUtils.h
-enum InstructionFormat {
-    kFmt00x = 0,    // unknown format (also used for "breakpoint" opcode)
-    kFmt10x,        // op
-    kFmt12x,        // op vA, vB
-    kFmt11n,        // op vA, #+B
-    kFmt11x,        // op vAA
-    kFmt10t,        // op +AA
-    kFmt20bc,       // [opt] op AA, thing@BBBB
-    kFmt20t,        // op +AAAA
-    kFmt22x,        // op vAA, vBBBB
-    kFmt21t,        // op vAA, +BBBB
-    kFmt21s,        // op vAA, #+BBBB
-    kFmt21h,        // op vAA, #+BBBB00000[00000000]
-    kFmt21c,        // op vAA, thing@BBBB
-    kFmt23x,        // op vAA, vBB, vCC
-    kFmt22b,        // op vAA, vBB, #+CC
-    kFmt22t,        // op vA, vB, +CCCC
-    kFmt22s,        // op vA, vB, #+CCCC
-    kFmt22c,        // op vA, vB, thing@CCCC
-    kFmt22cs,       // [opt] op vA, vB, field offset CCCC
-    kFmt30t,        // op +AAAAAAAA
-    kFmt32x,        // op vAAAA, vBBBB
-    kFmt31i,        // op vAA, #+BBBBBBBB
-    kFmt31t,        // op vAA, +BBBBBBBB
-    kFmt31c,        // op vAA, string@BBBBBBBB
-    kFmt35c,        // op {vC,vD,vE,vF,vG}, thing@BBBB
-    kFmt35ms,       // [opt] invoke-virtual+super
-    kFmt3rc,        // op {vCCCC .. v(CCCC+AA-1)}, thing@BBBB
-    kFmt3rms,       // [opt] invoke-virtual+super/range
-    kFmt51l,        // op vAA, #+BBBBBBBBBBBBBBBB
-    kFmt35mi,       // [opt] inline invoke
-    kFmt3rmi,       // [opt] inline invoke/range
-    kFmt33x,        // exop vAA, vBB, vCCCC
-    kFmt32s,        // exop vAA, vBB, #+CCCC
-    kFmt40sc,       // [opt] exop AAAA, thing@BBBBBBBB
-    kFmt41c,        // exop vAAAA, thing@BBBBBBBB
-    kFmt52c,        // exop vAAAA, vBBBB, thing@CCCCCCCC
-    kFmt5rc,        // exop {vCCCC .. v(CCCC+AAAA-1)}, thing@BBBBBBBB
-};
-
-enum InstructionIndexType {
-    kIndexUnknown = 0,
-    kIndexNone,         // has no index
-    kIndexVaries,       // "It depends." Used for throw-verification-error
-    kIndexTypeRef,      // type reference index
-    kIndexStringRef,    // string reference index
-    kIndexMethodRef,    // method reference index
-    kIndexFieldRef,     // field reference index
-    kIndexInlineMethod, // inline method index (for inline linked methods)
-    kIndexVtableOffset, // vtable offset (for static linked methods)
-    kIndexFieldOffset   // field offset (for static linked fields)
-};
-
-typedef u1 InstructionWidth;
-
-typedef u1 OpcodeFlags;
-enum OpcodeFlagsBits {
-    kInstrCanBranch     = 1,        // conditional or unconditional branch
-    kInstrCanContinue   = 1 << 1,   // flow can continue to next statement
-    kInstrCanSwitch     = 1 << 2,   // switch statement
-    kInstrCanThrow      = 1 << 3,   // could cause an exception to be thrown
-    kInstrCanReturn     = 1 << 4,   // returns, no additional statements
-    kInstrInvoke        = 1 << 5,   // a flavor of invoke
-};
-
-struct InstructionInfoTables {
-    u1*                formats;    /* InstructionFormat elements */
-    u1*                indexTypes; /* InstructionIndexType elements */
-    OpcodeFlags*       flags;
-    InstructionWidth*  widths;
-};
-
-extern InstructionInfoTables gDexOpcodeInfo;
-
-struct DecodedInstruction {
-    u4      vA;
-    u4      vB;
-    u8      vB_wide;        /* for kFmt51l */
-    u4      vC;
-    u4      arg[5];         /* vC/D/E/F/G in invoke or filled-new-array */
-    Opcode  opcode;
-    InstructionIndexType indexType;
-};
-
-#define DEX_INLINE inline
-#define INLINE inline
-
-DEX_INLINE size_t dexGetWidthFromOpcode(Opcode opcode)
-{
-    assert((u4) opcode < kNumPackedOpcodes);
-    return gDexOpcodeInfo.widths[opcode];
-}
-
-size_t dexGetWidthFromInstruction(const u2* insns);
-
-DEX_INLINE OpcodeFlags dexGetFlagsFromOpcode(Opcode opcode)
-{
-    assert((u4) opcode < kNumPackedOpcodes);
-    return gDexOpcodeInfo.flags[opcode];
-}
-
-DEX_INLINE bool dexIsGoto(OpcodeFlags flags)
-{
-    return (flags & (kInstrCanBranch | kInstrCanContinue)) == kInstrCanBranch;
-}
-
-DEX_INLINE InstructionFormat dexGetFormatFromOpcode(Opcode opcode)
-{
-    assert((u4) opcode < kNumPackedOpcodes);
-    return (InstructionFormat) gDexOpcodeInfo.formats[opcode];
-}
-
-DEX_INLINE InstructionIndexType dexGetIndexTypeFromOpcode(Opcode opcode)
-{
-    assert((u4) opcode < kNumPackedOpcodes);
-    return (InstructionIndexType) gDexOpcodeInfo.indexTypes[opcode];
-}
-
-void dexDecodeInstruction(const u2* insns, DecodedInstruction* pDec);
-
-// From DexOpcodes
-const char* dexGetOpcodeName(Opcode op);
-
-DEX_INLINE Opcode dexOpcodeFromCodeUnit(u2 codeUnit) {
-    int lowByte = codeUnit & 0xff;
-    if (lowByte != 0xff) {
-        return (Opcode) lowByte;
-    } else {
-        return (Opcode) ((codeUnit >> 8) | 0x100);
-    }
-}
-
-// From DexFile
-struct DexFile;
-struct DexTry {
-    u4  startAddr;          /* start address, in 16-bit code units */
-    u2  insnCount;          /* instruction count, in 16-bit code units */
-    u2  handlerOff;         /* offset in encoded handler data to handlers */
-};
-struct DexCode {
-    u2  registersSize;
-    u2  insSize;
-    u2  outsSize;
-    u2  triesSize;
-    u4  debugInfoOff;       /* file offset to debug info stream */
-    u4  insnsSize;          /* size of the insns array, in u2 units */
-    u2  insns[1];
-};
-
-DEX_INLINE const DexTry* dexGetTries(const DexCode* pCode) {
-    const u2* insnsEnd = &pCode->insns[pCode->insnsSize];
-
-    // Round to four bytes.
-    if ((((u4) insnsEnd) & 3) != 0) {
-        insnsEnd++;
-    }
-
-    return (const DexTry*) insnsEnd;
-}
-
-enum {
-    ACC_PUBLIC       = 0x00000001,       // class, field, method, ic
-    ACC_PRIVATE      = 0x00000002,       // field, method, ic
-    ACC_PROTECTED    = 0x00000004,       // field, method, ic
-    ACC_STATIC       = 0x00000008,       // field, method, ic
-    ACC_FINAL        = 0x00000010,       // class, field, method, ic
-    ACC_SYNCHRONIZED = 0x00000020,       // method (only allowed on natives)
-    ACC_SUPER        = 0x00000020,       // class (not used in Dalvik)
-    ACC_VOLATILE     = 0x00000040,       // field
-    ACC_BRIDGE       = 0x00000040,       // method (1.5)
-    ACC_TRANSIENT    = 0x00000080,       // field
-    ACC_VARARGS      = 0x00000080,       // method (1.5)
-    ACC_NATIVE       = 0x00000100,       // method
-    ACC_INTERFACE    = 0x00000200,       // class, ic
-    ACC_ABSTRACT     = 0x00000400,       // class, method, ic
-    ACC_STRICT       = 0x00000800,       // method
-    ACC_SYNTHETIC    = 0x00001000,       // field, method, ic
-    ACC_ANNOTATION   = 0x00002000,       // class, ic (1.5)
-    ACC_ENUM         = 0x00004000,       // class, field, ic (1.5)
-    ACC_CONSTRUCTOR  = 0x00010000,       // method (Dalvik only)
-    ACC_DECLARED_SYNCHRONIZED =
-                       0x00020000,       // method (Dalvik only)
-    ACC_CLASS_MASK =
-        (ACC_PUBLIC | ACC_FINAL | ACC_INTERFACE | ACC_ABSTRACT
-                | ACC_SYNTHETIC | ACC_ANNOTATION | ACC_ENUM),
-    ACC_INNER_CLASS_MASK =
-        (ACC_CLASS_MASK | ACC_PRIVATE | ACC_PROTECTED | ACC_STATIC),
-    ACC_FIELD_MASK =
-        (ACC_PUBLIC | ACC_PRIVATE | ACC_PROTECTED | ACC_STATIC | ACC_FINAL
-                | ACC_VOLATILE | ACC_TRANSIENT | ACC_SYNTHETIC | ACC_ENUM),
-    ACC_METHOD_MASK =
-        (ACC_PUBLIC | ACC_PRIVATE | ACC_PROTECTED | ACC_STATIC | ACC_FINAL
-                | ACC_SYNCHRONIZED | ACC_BRIDGE | ACC_VARARGS | ACC_NATIVE
-                | ACC_ABSTRACT | ACC_STRICT | ACC_SYNTHETIC | ACC_CONSTRUCTOR
-                | ACC_DECLARED_SYNCHRONIZED),
-};
-
-// From DexProto
-struct DexProto {
-    const DexFile* dexFile;     /* file the idx refers to */
-    u4 protoIdx;                /* index into proto_ids table of dexFile */
-};
-char* dexProtoCopyMethodDescriptor(const DexProto* pProto);
-
-// From DexCatch.h
-struct DexCatchHandler {
-    u4          typeIdx;    /* type index of the caught exception type */
-    u4          address;    /* handler address */
-};
-struct DexCatchIterator {
-    const u1* pEncodedData;
-    bool catchesAll;
-    u4 countRemaining;
-    DexCatchHandler handler;
-};
-bool dexFindCatchHandler(DexCatchIterator *pIterator,
-                         const DexCode* pCode, u4 address);
-DexCatchHandler* dexCatchIteratorNext(DexCatchIterator* pIterator);
-u4 dexGetFirstHandlerOffset(const DexCode* pCode);
-u4 dexGetHandlersSize(const DexCode* pCode);
-u4 dexCatchIteratorGetEndOffset(DexCatchIterator* pIterator,
-                                const DexCode* pCode);
-void dexCatchIteratorInit(DexCatchIterator* pIterator,
-    const DexCode* pCode, u4 offset);
-
-
-
-// From DvmDex.h
-struct Field;
-struct StringObject;
-struct DvmDex {
-    struct Method** pResMethods;
-    struct ClassObject** pResClasses;
-    struct Field** pResFields;
-    struct StringObject** pResStrings;
-};
-
-// from oo/Object.h
-struct Method {
-    ClassObject* clazz;
-    u2 methodIndex;
-    u2 registersSize;
-    u2 outsSize;
-    u2 insSize;
-    u4 accessFlags;
-    const char* name;
-    const char* shorty;
-    DexProto prototype;
-    void* compiledInsns;
-    DvmDex* pDvmDex;
-    u2* insns;
-    struct Method** pResMethods;
-};
-
-struct Field {
-    ClassObject*    clazz;          /* class in which the field is declared */
-    const char*     name;
-    const char*     signature;      /* e.g. "I", "[C", "Landroid/os/Debug;" */
-    u4              accessFlags;
-};
-
-struct InstField : Field {
-    int             byteOffset;
-};
-/*
- * Static field.
- */
-struct StaticField : Field {
-    JValue          value;          /* initially set from DEX for primitives */
-};
-
-INLINE bool dvmIsVolatileField(const Field* field) {
-    return (field->accessFlags & ACC_VOLATILE) != 0;
-}
-
-INLINE bool dvmIsBytecodeMethod(const Method* method) {
-    return (method->accessFlags & (ACC_NATIVE | ACC_ABSTRACT)) == 0;
-}
-
-INLINE const DexCode* dvmGetMethodCode(const Method* meth) {
-    if (dvmIsBytecodeMethod(meth)) {
-        return (const DexCode*)
-            (((const u1*) meth->insns) - offsetof(DexCode, insns));
-    } else {
-        return NULL;
-    }
-}
-
-// From Thread.h
-struct Thread {
-
-    u4 threadId;
-    u1* cardTable;
-    Object* exception;
-
-    /* Runtime support function pointers */
-    void* (*pMemcpy)(void*, const void*, size_t);
-    float (*pI2f)(int);
-    int (*pF2iz)(float);
-    float (*pD2f)(double);
-    double (*pF2d)(float);
-    double (*pI2d)(int);
-    int (*pD2iz)(double);
-    float (*pL2f)(long);
-    double (*pL2d)(long);
-    s8 (*pArtF2l)(float);
-    s8 (*pArtD2l)(double);
-    float (*pFadd)(float, float);
-    float (*pFsub)(float, float);
-    float (*pFdiv)(float, float);
-    float (*pFmul)(float, float);
-    float (*pFmodf)(float, float);
-    double (*pDadd)(double, double);
-    double (*pDsub)(double, double);
-    double (*pDdiv)(double, double);
-    double (*pDmul)(double, double);
-    double (*pFmod)(double, double);
-    int (*pIdivmod)(int, int);
-    int (*pIdiv)(int, int);
-    long long (*pLdivmod)(long long, long long);
-    bool (*pArtUnlockObject)(struct Thread*, struct Object*);
-    bool (*pArtCanPutArrayElementNoThrow)(const ClassObject*,
-          const ClassObject*);
-    int (*pArtInstanceofNonTrivialNoThrow)
-      (const ClassObject*, const ClassObject*);
-    int (*pArtInstanceofNonTrivial) (const ClassObject*, const ClassObject*);
-    ArrayObject* (*pArtAllocArrayByClass)(ClassObject*, size_t, int);
-    Method* (*pArtFindInterfaceMethodInCache)(ClassObject*, u4, const Method*,
-             DvmDex*);
-    bool (*pArtUnlockObjectNoThrow)(Thread*, Object*);
-    void (*pArtLockObjectNoThrow)(Thread*, Object*);
-    Object* (*pArtAllocObjectNoThrow)(ClassObject*, int);
-    void (*pArtThrowException)(Thread*, Object*);
-    bool (*pArtHandleFillArrayDataNoThrow)(ArrayObject*, const u2*);
-
-};
-
-// From Sync.h
-#define LW_LOCK_OWNER_SHIFT 3
-#define LW_HASH_STATE_SHIFT 1
-#define LW_HASH_STATE_MASK 0x3
-#define LW_SHAPE_THIN 0
-
-
 #include "Compiler.h"
 
 #endif
diff --git a/src/compiler/Dataflow.cc b/src/compiler/Dataflow.cc
index 41bf8bc..5cfddc0 100644
--- a/src/compiler/Dataflow.cc
+++ b/src/compiler/Dataflow.cc
@@ -2092,11 +2092,11 @@
      * blocks.
      */
     bb->dataFlowInfo->dalvikToSSAMap =
-        (int *)oatNew(sizeof(int) * cUnit->method->registersSize,
+        (int *)oatNew(sizeof(int) * cUnit->method->num_registers_,
                               false);
 
     memcpy(bb->dataFlowInfo->dalvikToSSAMap, cUnit->dalvikToSSAMap,
-           sizeof(int) * cUnit->method->registersSize);
+           sizeof(int) * cUnit->method->num_registers_);
     return true;
 }
 
@@ -2184,7 +2184,7 @@
 void oatInitializeSSAConversion(CompilationUnit* cUnit)
 {
     int i;
-    int numDalvikReg = cUnit->method->registersSize;
+    int numDalvikReg = cUnit->method->num_registers_;
 
     cUnit->ssaToDalvikMap = (GrowableList *)oatNew(sizeof(GrowableList),
                                                            false);
diff --git a/src/compiler/Frontend.cc b/src/compiler/Frontend.cc
index b5d4e3f..7d38faa 100644
--- a/src/compiler/Frontend.cc
+++ b/src/compiler/Frontend.cc
@@ -17,6 +17,7 @@
 #include "Dalvik.h"
 #include "CompilerInternals.h"
 #include "Dataflow.h"
+#include "constants.h"
 
 static inline bool contentIsInsn(const u2* codePtr) {
     u2 instr = *codePtr;
@@ -185,21 +186,15 @@
 /* Dump the CFG into a DOT graph */
 void oatDumpCFG(CompilationUnit* cUnit, const char* dirPrefix)
 {
-    const Method* method = cUnit->method;
     FILE* file;
-    char* signature = dexProtoCopyMethodDescriptor(&method->prototype);
+    std::string name = art::PrettyMethod(cUnit->method, true);
     char startOffset[80];
     sprintf(startOffset, "_%x", cUnit->entryBlock->fallThrough->startOffset);
     char* fileName = (char *) oatNew(
-                                  strlen(dirPrefix) +
-                                  strlen(method->clazz->descriptor) +
-                                  strlen(method->name) +
-                                  strlen(signature) +
-                                  strlen(startOffset) +
-                                  strlen(".dot") + 1, true);
-    sprintf(fileName, "%s%s%s%s%s.dot", dirPrefix,
-            method->clazz->descriptor, method->name, signature, startOffset);
-    free(signature);
+                        strlen(dirPrefix) +
+                        name.length() +
+                        strlen(".dot") + 1, true);
+    sprintf(fileName, "%s%s%s.dot", dirPrefix, name.c_str(), startOffset);
 
     /*
      * Convert the special characters into a filesystem- and shell-friendly
@@ -397,6 +392,9 @@
 /* Identify code range in try blocks and set up the empty catch blocks */
 static void processTryCatchBlocks(CompilationUnit* cUnit)
 {
+
+    UNIMPLEMENTED(WARNING) << "Need to finish processTryCatchBlocks()";
+#if 0
     const Method* meth = cUnit->method;
     const DexCode *pCode = dvmGetMethodCode(meth);
     int triesSize = pCode->triesSize;
@@ -450,6 +448,7 @@
 
         offset = dexCatchIteratorGetEndOffset(&iterator, pCode);
     }
+#endif
 }
 
 /* Process instructions with the kInstrCanBranch flag */
@@ -612,6 +611,8 @@
                             ArenaBitVector* tryBlockAddr, const u2* codePtr,
                             const u2* codeEnd)
 {
+    UNIMPLEMENTED(WARNING) << "Need to complete processCanThrow";
+#if 0
     const Method* method = cUnit->method;
     const DexCode* dexCode = dvmGetMethodCode(method);
 
@@ -688,17 +689,22 @@
             }
         }
     }
+#endif
 }
 
 /*
  * Compile a method.
  */
-bool oatCompileMethod(Method* method, OatInstructionSetType insnSet)
+bool oatCompileMethod(Method* method, art::InstructionSet insnSet)
 {
     CompilationUnit cUnit;
-    const DexCode* dexCode = dvmGetMethodCode(method);
-    const u2* codePtr = dexCode->insns;
-    const u2* codeEnd = dexCode->insns + dexCode->insnsSize;
+    art::ClassLinker* class_linker = art::Runtime::Current()->GetClassLinker();
+    const art::DexFile& dex_file = class_linker->FindDexFile(
+         method->GetDeclaringClass()->GetDexCache());
+    const art::DexFile::CodeItem* code_item =
+         dex_file.GetCodeItem(method->code_off_);
+    const u2* codePtr = code_item->insns_;
+    const u2* codeEnd = code_item->insns_ + code_item->insns_size_;
     int numBlocks = 0;
     unsigned int curOffset = 0;
 
@@ -709,9 +715,9 @@
 
     memset(&cUnit, 0, sizeof(cUnit));
     cUnit.method = method;
-    cUnit.instructionSet = insnSet;
-    cUnit.insns = dexCode->insns;
-    cUnit.insnsSize = dexCode->insnsSize;
+    cUnit.instructionSet = (OatInstructionSetType)insnSet;
+    cUnit.insns = code_item->insns_;
+    cUnit.insnsSize = code_item->insns_size_;
 #if 1
     cUnit.printMe = true;
     cUnit.printMeVerbose = true;
@@ -842,7 +848,7 @@
     }
 
     /* Adjust this value accordingly once inlining is performed */
-    cUnit.numDalvikRegisters = cUnit.method->registersSize;
+    cUnit.numDalvikRegisters = cUnit.method->num_registers_;
 
 
     /* Verify if all blocks are connected as claimed */
@@ -880,8 +886,12 @@
         }
     }
 
-    method->compiledInsns = (void*)((int)cUnit.baseAddr | 1);
-    method->pResMethods = method->clazz->pDvmDex->pResMethods;
+    method->SetCode((const art::byte*)&cUnit.codeBuffer[0],
+                    cUnit.codeBuffer.size() * 2, art::kThumb2);
+    method->SetFrameSize(cUnit.frameSize);
+    method->SetCoreSpillMask(cUnit.coreSpillMask);
+    method->SetFpSpillMask(cUnit.fpSpillMask);
+    // TODO: Transmit mapping table to caller
 
 #if 0
     oatDumpCFG(&cUnit, "/sdcard/cfg/");
diff --git a/src/compiler/HackStubs.cc b/src/compiler/HackStubs.cc
deleted file mode 100644
index 9bdd733..0000000
--- a/src/compiler/HackStubs.cc
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * 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 "Dalvik.h"
-
-/* Hacky stubs for old-word functionality */
-InstructionInfoTables gDexOpcodeInfo;
-
-const char* dexGetOpcodeName(Opcode op) { return NULL; }
-
-void dexDecodeInstruction(unsigned short const* insns,
-                          DecodedInstruction* pDec) {}
-
-char* dexProtoCopyMethodDescriptor(DexProto const* gProto) {return NULL;}
-
-u4 dexGetFirstHandlerOffset(DexCode const* pCode) { return 0; }
-
-u4 dexGetHandlersSize(DexCode const* pCode) { return 0; }
-
-void dexCatchIteratorInit(DexCatchIterator* pIterator,
-                          DexCode const* pCode, unsigned int offset) {}
-
-DexCatchHandler* dexCatchIteratorNext(DexCatchIterator* pCode) { return NULL; }
-
-u4 dexCatchIteratorGetEndOffset(DexCatchIterator* pIterator,
-                                DexCode const* pCode) { return 0; }
-
-bool dexFindCatchHandler(DexCatchIterator* pIterator, DexCode const* pCode,
-                       unsigned int address) { return false; }
diff --git a/src/compiler/Ralloc.cc b/src/compiler/Ralloc.cc
index dbc93b9..c8b7632 100644
--- a/src/compiler/Ralloc.cc
+++ b/src/compiler/Ralloc.cc
@@ -119,9 +119,9 @@
     }
 
     /* Figure out the frame size */
-    cUnit->numIns = cUnit->method->insSize;
-    cUnit->numRegs = cUnit->method->registersSize - cUnit->numIns;
-    cUnit->numOuts = cUnit->method->outsSize;
+    cUnit->numIns = cUnit->method->num_ins_;
+    cUnit->numRegs = cUnit->method->num_registers_ - cUnit->numIns;
+    cUnit->numOuts = cUnit->method->num_outs_;
     cUnit->numPadding = (STACK_ALIGN_WORDS -
         (cUnit->numSpills + cUnit->numRegs +
          cUnit->numOuts + 2)) & (STACK_ALIGN_WORDS-1);
diff --git a/src/compiler/SSATransformation.cc b/src/compiler/SSATransformation.cc
index a843d51..42e855d 100644
--- a/src/compiler/SSATransformation.cc
+++ b/src/compiler/SSATransformation.cc
@@ -107,8 +107,8 @@
      * Also set the incoming parameters as defs in the entry block.
      * Only need to handle the parameters for the outer method.
      */
-    int inReg = cUnit->method->registersSize - cUnit->method->insSize;
-    for (; inReg < cUnit->method->registersSize; inReg++) {
+    int inReg = cUnit->method->num_registers_ - cUnit->method->num_ins_;
+    for (; inReg < cUnit->method->num_registers_; inReg++) {
         oatSetBit(cUnit->defBlockMatrix[inReg],
                           cUnit->entryBlock->id);
     }
diff --git a/src/compiler/Utility.cc b/src/compiler/Utility.cc
index b4dd80c..9c010b5 100644
--- a/src/compiler/Utility.cc
+++ b/src/compiler/Utility.cc
@@ -164,8 +164,7 @@
         "Catch Block"
     };
 
-    LOG(INFO) << "Compiling " << cUnit->method->clazz->descriptor << " " <<
-         cUnit->method->name;
+    LOG(INFO) << "Compiling " << art::PrettyMethod(cUnit->method, true);
     LOG(INFO) << cUnit->insns << " insns";
     LOG(INFO) << cUnit->numBlocks << " blocks in total";
     GrowableListIterator iterator;
diff --git a/src/compiler/codegen/arm/ArchUtility.cc b/src/compiler/codegen/arm/ArchUtility.cc
index 16a0200..2f3af44 100644
--- a/src/compiler/codegen/arm/ArchUtility.cc
+++ b/src/compiler/codegen/arm/ArchUtility.cc
@@ -318,8 +318,7 @@
     switch(lir->opcode) {
         case kArmPseudoMethodEntry:
             LOG(INFO) << "-------- method entry " <<
-                 cUnit->method->clazz->descriptor << ":" <<
-                 cUnit->method->name;
+                art::PrettyMethod(cUnit->method, true);
             break;
         case kArmPseudoMethodExit:
             LOG(INFO) << "-------- Method_Exit";
@@ -390,8 +389,8 @@
 {
     const Method *method = cUnit->method;
     LOG(INFO) << "/*";
-    LOG(INFO) << "Dumping LIR insns for " << method->clazz->descriptor <<
-        ":" << method->name;
+    LOG(INFO) << "Dumping LIR insns for " <<
+        art::PrettyMethod(cUnit->method, true);
     LIR* lirInsn;
     ArmLIR* armLIR;
     int insnsSize = cUnit->insnsSize;
@@ -408,7 +407,7 @@
         " bytes, Dalvik size is " << insnsSize * 2;
     LOG(INFO) << "expansion factor: " <<
          (float)cUnit->totalSize / (float)(insnsSize * 2);
-    for (int i = 0; i < method->registersSize; i++) {
+    for (int i = 0; i < method->num_registers_; i++) {
         RegLocation loc = cUnit->regLocation[i];
         char buf[100];
         if (loc.fpLocation == kLocPhysReg) {
@@ -425,41 +424,42 @@
 
     }
     for (lirInsn = cUnit->firstLIRInsn; lirInsn; lirInsn = lirInsn->next) {
-        oatDumpLIRInsn(cUnit, lirInsn, (unsigned char*) cUnit->baseAddr);
+        oatDumpLIRInsn(cUnit, lirInsn, 0);
     }
     for (lirInsn = cUnit->classPointerList; lirInsn; lirInsn = lirInsn->next) {
         armLIR = (ArmLIR*) lirInsn;
         char buf[100];
-        snprintf(buf, 100, "%p (%04x): .class (%s)",
-             (char*)cUnit->baseAddr + armLIR->generic.offset,
-             armLIR->generic.offset,
+        snprintf(buf, 100, "%x (%04x): .class (%s)",
+             armLIR->generic.offset, armLIR->generic.offset,
              ((CallsiteInfo *) armLIR->operands[0])->classDescriptor);
         LOG(INFO) << buf;
     }
     for (lirInsn = cUnit->literalList; lirInsn; lirInsn = lirInsn->next) {
         armLIR = (ArmLIR*) lirInsn;
         char buf[100];
-        snprintf(buf, 100, "%p (%04x): .word (%#x)",
-             (char*)cUnit->baseAddr + armLIR->generic.offset,
-             armLIR->generic.offset,
+        snprintf(buf, 100, "%x (%04x): .word (%#x)",
+             armLIR->generic.offset, armLIR->generic.offset,
              armLIR->operands[0]);
         LOG(INFO) << buf;
 
     }
 
     int linebreak = 0;
+    std::string signature = method->GetSignature()->ToModifiedUtf8();
+    std::string name = method->GetName()->ToModifiedUtf8();
+    std::string descriptor = method->GetDeclaringClass()->GetDescriptor()->
+        ToModifiedUtf8();
+
     char buf[100];
     LOG(INFO) << "*/";
-    sprintf(buf,"\n    u1 %s%s_%s_code[] = {",
-            cUnit->method->clazz->descriptor, cUnit->method->name,
-            cUnit->method->shorty);
+    sprintf(buf,"\n    u1 %s%s_%s_code[] = {", descriptor.c_str(),
+            name.c_str(), signature.c_str());
     for (unsigned int i = 0; i < strlen(buf); i++)
         if (buf[i] == ';') buf[i] = '_';
     LOG(INFO) << buf;
     strcpy(buf,"        ");
-    for (int i = 0; i < cUnit->totalSize; i++) {
-        sprintf(buf+strlen(buf),"0x%02x,",
-               ((u1*)cUnit->baseAddr)[i]);
+    for (int i = 0; i < cUnit->totalSize/2; i++) {
+        sprintf(buf+strlen(buf),"0x%04x,", cUnit->codeBuffer[i]);
         if (++linebreak == 8) {
             linebreak = 0;
             LOG(INFO) << buf;
@@ -478,8 +478,8 @@
             LOG(FATAL) << "Null table";
         }
         sprintf(buf,"\n    MappingTable %s%s_%s_mappingTable[%d] = {",
-                cUnit->method->clazz->descriptor, cUnit->method->name,
-                cUnit->method->shorty, cUnit->mappingTableSize);
+                descriptor.c_str(), name.c_str(), signature.c_str(),
+                cUnit->mappingTableSize);
         for (unsigned int i = 0; i < strlen(buf); i++)
             if (buf[i] == ';') buf[i] = '_';
         LOG(INFO) << buf;
diff --git a/src/compiler/codegen/arm/ArmRallocUtil.cc b/src/compiler/codegen/arm/ArmRallocUtil.cc
index 2fc1603..0a0c9bc 100644
--- a/src/compiler/codegen/arm/ArmRallocUtil.cc
+++ b/src/compiler/codegen/arm/ArmRallocUtil.cc
@@ -86,7 +86,7 @@
             for (i=0; i< ssaRep->numUses; i++) {
                 int origSreg = DECODE_REG(
                     oatConvertSSARegToDalvik(cUnit, ssaRep->uses[i]));
-                assert(origSreg < cUnit->method->registersSize);
+                assert(origSreg < cUnit->method->num_registers_);
                 bool fpUse = ssaRep->fpUse ? ssaRep->fpUse[i] : false;
                 if (fp == fpUse) {
                     counts[origSreg].count++;
@@ -99,7 +99,7 @@
                 }
                 int origSreg = DECODE_REG(
                     oatConvertSSARegToDalvik(cUnit, ssaRep->defs[i]));
-                assert(origSreg < cUnit->method->registersSize);
+                assert(origSreg < cUnit->method->num_registers_);
                 bool fpDef = ssaRep->fpDef ? ssaRep->fpDef[i] : false;
                 if (fp == fpDef) {
                     counts[origSreg].count++;
@@ -131,8 +131,8 @@
  */
 extern void oatDoPromotion(CompilationUnit* cUnit)
 {
-    int numRegs = cUnit->method->registersSize;
-    int numIns = cUnit->method->insSize;
+    int numRegs = cUnit->method->num_registers_;
+    int numIns = cUnit->method->num_ins_;
 
     /*
      * Because ins don't have explicit definitions, we need to type
@@ -140,10 +140,9 @@
      */
     if (numIns > 0) {
         int sReg = numRegs - numIns;
-        const char *shorty = cUnit->method->shorty;
-        shorty++;  // Move past return type;
-        while (*shorty) {
-            char arg = *shorty++;
+        const art::StringPiece& shorty = cUnit->method->GetShorty();
+        for (int i = 1; i < shorty.size(); i++) {
+            char arg = shorty[i];
             // Is it wide?
             if ((arg == 'D') || (arg == 'J')) {
                 cUnit->regLocation[sReg].wide = true;
diff --git a/src/compiler/codegen/arm/Assemble.cc b/src/compiler/codegen/arm/Assemble.cc
index a601286..9981d64 100644
--- a/src/compiler/codegen/arm/Assemble.cc
+++ b/src/compiler/codegen/arm/Assemble.cc
@@ -965,13 +965,23 @@
  */
 #define PADDING_MOV_R5_R5               0x1C2D
 
+static void pushWord(std::vector<short>&buf, int data) {
+    buf.push_back( (data >> 16) & 0xffff);
+    buf.push_back( data & 0xffff);
+}
+
+void alignBuffer(std::vector<short>&buf, size_t offset) {
+    while (buf.size() < (offset/2))
+        buf.push_back(0);
+}
+
 /* Write the numbers in the constant to the output stream */
 static void installLiteralPools(CompilationUnit* cUnit)
 {
-    int* dataPtr = (int*) ((char*) cUnit->baseAddr + cUnit->dataOffset);
+    alignBuffer(cUnit->codeBuffer, cUnit->dataOffset);
     ArmLIR* dataLIR = (ArmLIR*) cUnit->literalList;
     while (dataLIR) {
-        *dataPtr++ = dataLIR->operands[0];
+        pushWord(cUnit->codeBuffer, dataLIR->operands[0]);
         dataLIR = NEXT_LIR(dataLIR);
     }
 }
@@ -985,7 +995,7 @@
         SwitchTable* tabRec = (SwitchTable *) oatGrowableListIteratorNext(
              &iterator);
         if (tabRec == NULL) break;
-        int* dataPtr = (int*)((char*)cUnit->baseAddr + tabRec->offset);
+        alignBuffer(cUnit->codeBuffer, tabRec->offset);
         int bxOffset = tabRec->bxInst->generic.offset + 4;
         if (cUnit->printMe) {
             LOG(INFO) << "Switch table for offset 0x" /*<< hex*/ << bxOffset;
@@ -999,8 +1009,9 @@
                         std::hex << keys[elems] << ", disp: 0x" <<
                         std::hex << disp;
                 }
-                *dataPtr++ = keys[elems];
-                *dataPtr++ = tabRec->targets[elems]->generic.offset - bxOffset;
+                pushWord(cUnit->codeBuffer, keys[elems]);
+                pushWord(cUnit->codeBuffer,
+                    tabRec->targets[elems]->generic.offset - bxOffset);
             }
         } else {
             assert(tabRec->table[0] == kPackedSwitchSignature);
@@ -1010,7 +1021,8 @@
                     LOG(INFO) << "    Case[" << elems << "] disp: 0x" <<
                         std::hex << disp;
                 }
-                *dataPtr++ = tabRec->targets[elems]->generic.offset - bxOffset;
+                pushWord(cUnit->codeBuffer,
+                         tabRec->targets[elems]->generic.offset - bxOffset);
             }
         }
     }
@@ -1025,8 +1037,10 @@
         FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext(
              &iterator);
         if (tabRec == NULL) break;
-        char* dataPtr = (char*)cUnit->baseAddr + tabRec->offset;
-        memcpy(dataPtr, (char*)tabRec->table, tabRec->size);
+        alignBuffer(cUnit->codeBuffer, tabRec->offset);
+        cUnit->codeBuffer.reserve(cUnit->codeBuffer.size() + (tabRec->size/2));
+        memcpy(&cUnit->codeBuffer[tabRec->offset/2],
+              (char*)tabRec->table, tabRec->size);
     }
 }
 
@@ -1038,7 +1052,6 @@
 static AssemblerStatus assembleInstructions(CompilationUnit* cUnit,
                                             intptr_t startAddr)
 {
-    short* bufferAddr = (short*) cUnit->codeBuffer;
     ArmLIR* lir;
     AssemblerStatus res = kSuccess;  // Assume success
 
@@ -1047,7 +1060,7 @@
             if ((lir->opcode == kArmPseudoPseudoAlign4) &&
                 /* 1 means padding is needed */
                 (lir->operands[0] == 1)) {
-                *bufferAddr++ = PADDING_MOV_R5_R5;
+                cUnit->codeBuffer.push_back(PADDING_MOV_R5_R5);
             }
             continue;
         }
@@ -1394,9 +1407,9 @@
             }
         }
         if (encoder->size == 2) {
-            *bufferAddr++ = (bits >> 16) & 0xffff;
+                cUnit->codeBuffer.push_back((bits >> 16) & 0xffff);
         }
-        *bufferAddr++ = bits & 0xffff;
+        cUnit->codeBuffer.push_back(bits & 0xffff);
     }
     return res;
 }
@@ -1526,23 +1539,6 @@
 void oatAssembleLIR(CompilationUnit* cUnit)
 {
     assignOffsets(cUnit);
-
-#ifdef TESTMODE
-//For testing - caller will allocate buffer
-    int testSize = 1024 * 1024;
-    int fd = ashmem_create_region("dalvik-test-code-cache",testSize);
-    if (fd < 0) {
-        LOG(FATAL) << "Coudln't create ashmem region";
-    }
-    cUnit->baseAddr = cUnit->codeBuffer = (unsigned char *)
-         mmap(NULL, testSize, PROT_READ | PROT_WRITE | PROT_EXEC,
-              MAP_PRIVATE, fd, 0);
-    close(fd);
-    if (cUnit->baseAddr == MAP_FAILED) {
-        LOG(FATAL) << "Failed to mmap the test region: " << strerror(errno);
-    }
-#endif
-
     /*
      * Assemble here.  Note that we generate code with optimistic assumptions
      * and if found now to work, we'll have to redo the sequence and retry.
@@ -1559,6 +1555,7 @@
             }
             // Redo offsets and try again
             assignOffsets(cUnit);
+            cUnit->codeBuffer.clear();
         }
     }
 
diff --git a/src/compiler/codegen/arm/MethodCodegenDriver.cc b/src/compiler/codegen/arm/MethodCodegenDriver.cc
index 417fdca..b8dcdb2 100644
--- a/src/compiler/codegen/arm/MethodCodegenDriver.cc
+++ b/src/compiler/codegen/arm/MethodCodegenDriver.cc
@@ -14,12 +14,6 @@
  * limitations under the License.
  */
 
-//#define TESTMODE
-
-#ifdef TESTMODE
-#include "CalloutHelper.h"
-#endif
-
 static const RegLocation badLoc = {kLocDalvikFrame, 0, 0, INVALID_REG,
                                    INVALID_REG, INVALID_SREG, 0,
                                    kLocDalvikFrame, INVALID_REG, INVALID_REG,
@@ -31,8 +25,8 @@
                         RegLocation rlSrc)
 {
     oatFlushAllRegs(cUnit);  /* All temps to home location */
-    void* classPtr = (void*)
-        (cUnit->method->clazz->pDvmDex->pResClasses[mir->dalvikInsn.vC]);
+    Class* classPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedClass(mir->dalvikInsn.vC);
     if (classPtr == NULL) {
          LOG(FATAL) << "Unexpected null passPtr";
     } else {
@@ -41,14 +35,8 @@
     }
     // FIXME: need this to throw errNegativeArraySize
     genRegImmCheck(cUnit, kArmCondMi, r1, 0, mir->offset, NULL);
-#ifdef TESTMODE
-// Hack until we get rSELF setup
-    loadConstant(cUnit, rLR, (int)dvmAllocArrayByClass);
-#else
     loadWordDisp(cUnit, rSELF, OFFSETOF_MEMBER(Thread, pArtAllocArrayByClass),
                  rLR);
-#endif
-    loadConstant(cUnit, r2, ALLOC_DONT_TRACK);
     newLIR1(cUnit, kThumbBlxR, rLR); // (arrayClass, length, allocFlags)
     storeValue(cUnit, rlDest, retLoc);
 }
@@ -72,8 +60,8 @@
         typeIndex = dInsn->vC;
     }
     oatFlushAllRegs(cUnit);  /* All temps to home location */
-    void* classPtr = (void*)
-        (cUnit->method->clazz->pDvmDex->pResClasses[typeIndex]);
+    Class* classPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedClass(typeIndex);
     if (classPtr == NULL) {
          LOG(FATAL) << "Unexpected null passPtr";
     } else {
@@ -88,14 +76,8 @@
      * the above mentioned bad cases of 'D', 'J' or !('L' | '[' | 'I').
      * That will keep us from wasting space generating an inline check here.
      */
-#ifdef TESTMODE
-// Hack until we get rSELF setup
-    loadConstant(cUnit, rLR, (int)dvmAllocArrayByClass);
-#else
     loadWordDisp(cUnit, rSELF, OFFSETOF_MEMBER(Thread, pArtAllocArrayByClass),
                  rLR);
-#endif
-    loadConstant(cUnit, r2, ALLOC_DONT_TRACK);
     newLIR1(cUnit, kThumbBlxR, rLR); // (arrayClass, length, allocFlags)
     // Reserve ret0 (r0) - we'll use it in place.
     oatLockTemp(cUnit, r0);
@@ -130,7 +112,7 @@
         opRegRegImm(cUnit, kOpAdd, rSrc, rSP, rlFirst.spOffset);
         // Set up the target pointer
         opRegRegImm(cUnit, kOpAdd, rDst, r0,
-                    OFFSETOF_MEMBER(ArrayObject, contents));
+                    Array::DataOffset().Int32Value());
         // Set up the loop counter (known to be > 0)
         loadConstant(cUnit, rIdx, dInsn->vA);
         // Generate the copy loop.  Going backwards for convenience
@@ -148,7 +130,8 @@
         for (unsigned int i = 0; i < dInsn->vA; i++) {
             RegLocation rlArg = loadValue(cUnit,
                 oatGetSrc(cUnit, mir, i), kCoreReg);
-            storeBaseDisp(cUnit, r0, OFFSETOF_MEMBER(ArrayObject, contents) +
+            storeBaseDisp(cUnit, r0,
+                          Array::DataOffset().Int32Value() +
                           i * 4, rlArg.lowReg, kWord);
             // If the loadValue caused a temp to be allocated, free it
             if (oatIsTemp(cUnit, rlArg.lowReg)) {
@@ -160,6 +143,8 @@
 
 static void genSput(CompilationUnit* cUnit, MIR* mir, RegLocation rlSrc)
 {
+    UNIMPLEMENTED(FATAL) << "Must update for new world";
+#if 0
     int valOffset = OFFSETOF_MEMBER(StaticField, value);
     int tReg = oatAllocTemp(cUnit);
     int objHead;
@@ -181,9 +166,9 @@
                  (opcode == OP_SPUT_VOLATILE_JUMBO) ||
                  (opcode == OP_SPUT_OBJECT_VOLATILE) ||
                  (opcode == OP_SPUT_OBJECT_VOLATILE_JUMBO);
-    assert(isVolatile == dvmIsVolatileField((Field *) fieldPtr));
+    assert(isVolatile == artIsVolatileField((Field *) fieldPtr));
 #else
-    isVolatile = dvmIsVolatileField((Field *) fieldPtr);
+    isVolatile = artIsVolatileField((Field *) fieldPtr);
 #endif
 
     isSputObject = (opcode == OP_SPUT_OBJECT) ||
@@ -206,10 +191,13 @@
         markGCCard(cUnit, rlSrc.lowReg, objHead);
         oatFreeTemp(cUnit, objHead);
     }
+#endif
 }
 
 static void genSputWide(CompilationUnit* cUnit, MIR* mir, RegLocation rlSrc)
 {
+    UNIMPLEMENTED(FATAL) << "Must update for new world";
+#if 0
     int tReg = oatAllocTemp(cUnit);
     int valOffset = OFFSETOF_MEMBER(StaticField, value);
     const Method *method = (mir->OptimizationFlags & MIR_CALLEE) ?
@@ -227,6 +215,7 @@
     loadConstant(cUnit, tReg,  (int) fieldPtr + valOffset);
 
     storePair(cUnit, tReg, rlSrc.lowReg, rlSrc.highReg);
+#endif
 }
 
 
@@ -234,6 +223,8 @@
 static void genSgetWide(CompilationUnit* cUnit, MIR* mir,
                  RegLocation rlResult, RegLocation rlDest)
 {
+    UNIMPLEMENTED(FATAL) << "Must update for new world";
+#if 0
     int valOffset = OFFSETOF_MEMBER(StaticField, value);
     const Method *method = (mir->OptimizationFlags & MIR_CALLEE) ?
         mir->meta.calleeMethod : cUnit->method;
@@ -253,11 +244,14 @@
     loadPair(cUnit, tReg, rlResult.lowReg, rlResult.highReg);
 
     storeValueWide(cUnit, rlDest, rlResult);
+#endif
 }
 
 static void genSget(CompilationUnit* cUnit, MIR* mir,
              RegLocation rlResult, RegLocation rlDest)
 {
+    UNIMPLEMENTED(FATAL) << "Must update for new world";
+#if 0
     int valOffset = OFFSETOF_MEMBER(StaticField, value);
     int tReg = oatAllocTemp(cUnit);
     bool isVolatile;
@@ -282,9 +276,9 @@
     Opcode opcode = mir->dalvikInsn.opcode;
     isVolatile = (opcode == OP_SGET_VOLATILE) ||
                  (opcode == OP_SGET_OBJECT_VOLATILE);
-    assert(isVolatile == dvmIsVolatileField((Field *) fieldPtr));
+    assert(isVolatile == artIsVolatileField((Field *) fieldPtr));
 #else
-    isVolatile = dvmIsVolatileField((Field *) fieldPtr);
+    isVolatile = artIsVolatileField((Field *) fieldPtr);
 #endif
 
     rlDest = oatGetDest(cUnit, mir, 0);
@@ -297,6 +291,7 @@
     loadWordDisp(cUnit, tReg, 0, rlResult.lowReg);
 
     storeValue(cUnit, rlDest, rlResult);
+#endif
 }
 
 typedef int (*NextCallInsn)(CompilationUnit*, MIR*, DecodedInstruction*, int);
@@ -308,11 +303,14 @@
 static int nextSDCallInsn(CompilationUnit* cUnit, MIR* mir,
                         DecodedInstruction* dInsn, int state)
 {
+    UNIMPLEMENTED(FATAL) << "Update with new cache model";
+#if 0
     switch(state) {
         case 0:  // Get the current Method* [sets r0]
             loadBaseDisp(cUnit, mir, rSP, 0, r0, kWord, INVALID_SREG);
             break;
         case 1:  // Get the pResMethods pointer [uses r0, sets r0]
+            UNIMPLEMENTED(FATAL) << "Update with new cache";
             loadBaseDisp(cUnit, mir, r0, OFFSETOF_MEMBER(Method, pResMethods),
                          r0, kWord, INVALID_SREG);
             break;
@@ -328,6 +326,7 @@
         default:
             return -1;
     }
+#endif
     return state + 1;
 }
 
@@ -341,6 +340,8 @@
 static int nextVCallInsn(CompilationUnit* cUnit, MIR* mir,
                         DecodedInstruction* dInsn, int state)
 {
+    UNIMPLEMENTED(FATAL) << "Update with new cache model";
+#if 0
     RegLocation rlArg;
     switch(state) {
         case 0:  // Get the current Method* [set r0]
@@ -368,19 +369,21 @@
                          r12, kUnsignedHalf, INVALID_SREG);
             // get this->clazz->vtable [use rLR, set rLR]
             loadBaseDisp(cUnit, mir, rLR,
-                         OFFSETOF_MEMBER(ClassObject, vtable), rLR, kWord,
+                         OFFSETOF_MEMBER(Class, vtable), rLR, kWord,
                          INVALID_SREG);
             break;
         case 4: // get target Method* [use rLR, use r12, set r0]
               loadBaseIndexed(cUnit, rLR, r12, r0, 2, kWord);
               break;
         case 5: // Get the target compiled code address [use r0, set rLR]
+            UNIMPLEMENTED(FATAL) << "Update with new cache";
             loadBaseDisp(cUnit, mir, r0, OFFSETOF_MEMBER(Method, compiledInsns),
                          rLR, kWord, INVALID_SREG);
             break;
         default:
             return -1;
     }
+#endif
     return state + 1;
 }
 
@@ -412,6 +415,8 @@
 static int nextInterfaceCallInsn(CompilationUnit* cUnit, MIR* mir,
                                  DecodedInstruction* dInsn, int state)
 {
+    UNIMPLEMENTED(FATAL) << "Update with new cache model";
+#if 0
     RegLocation rlArg;
     switch(state) {
         case 0:
@@ -427,14 +432,14 @@
             loadBaseDisp(cUnit, mir, r2, OFFSETOF_MEMBER(Method, clazz),
                          r3, kWord, INVALID_SREG);
             // Load this->class [usr r12, set arg0]
-            loadBaseDisp(cUnit, mir, r12, OFFSETOF_MEMBER(ClassObject, clazz),
+            loadBaseDisp(cUnit, mir, r12, OFFSETOF_MEMBER(Class, clazz),
                          r3, kWord, INVALID_SREG);
             // Load address of helper function
             loadBaseDisp(cUnit, mir, rSELF,
                       OFFSETOF_MEMBER(Thread, pArtFindInterfaceMethodInCache),
                       rLR, kWord, INVALID_SREG);
             // Get dvmDex
-            loadBaseDisp(cUnit, mir, r3, OFFSETOF_MEMBER(ClassObject, pDvmDex),
+            loadBaseDisp(cUnit, mir, r3, OFFSETOF_MEMBER(Class, pDvmDex),
                          r3, kWord, INVALID_SREG);
             // Load ref [set arg1]
             loadConstant(cUnit, r1, dInsn->vB);
@@ -447,6 +452,7 @@
         default:
             return -1;
     }
+#endif
     return state + 1;
 }
 
@@ -458,6 +464,8 @@
 static int nextSuperCallInsn(CompilationUnit* cUnit, MIR* mir,
                              DecodedInstruction* dInsn, int state)
 {
+    UNIMPLEMENTED(FATAL) << "Update with new cache model";
+#if 0
     RegLocation rlArg;
     switch(state) {
         case 0:
@@ -473,7 +481,7 @@
             loadBaseDisp(cUnit, mir, r0, OFFSETOF_MEMBER(Method, pResMethods),
                          rLR, kWord, INVALID_SREG);
             // Get clazz->super [use r12, set r12]
-            loadBaseDisp(cUnit, mir, r12, OFFSETOF_MEMBER(ClassObject, super),
+            loadBaseDisp(cUnit, mir, r12, OFFSETOF_MEMBER(Class, super),
                          r12, kWord, INVALID_SREG);
             // Get base method [use rLR, set r0]
             loadBaseDisp(cUnit, mir, rLR, dInsn->vB * 4, r0,
@@ -486,7 +494,7 @@
                          rLR, kUnsignedHalf, INVALID_SREG);
             // Get vtableCount [use r12, set r0]
             loadBaseDisp(cUnit, mir, r12,
-                         OFFSETOF_MEMBER(ClassObject, vtableCount),
+                         OFFSETOF_MEMBER(Class, vtableCount),
                          r0, kWord, INVALID_SREG);
             // Compare method index w/ vtable count [use r12, use rLR]
             genRegRegCheck(cUnit, kArmCondGe, rLR, r0, mir->offset, NULL);
@@ -498,6 +506,7 @@
         default:
             return -1;
     }
+#endif
     return state + 1;
 }
 
@@ -591,7 +600,8 @@
      * Dalvik vRegs and the ins.
      */
     int highestVreg = oatGetSrc(cUnit, mir, numArgs-1).sRegLow;
-    if (highestVreg >= cUnit->method->registersSize - cUnit->method->insSize) {
+    if (highestVreg >= cUnit->method->num_registers_ -
+        cUnit->method->num_ins_) {
         LOG(FATAL) << "Wide argument spanned locals & args";
     }
 
@@ -622,7 +632,7 @@
         newLIR1(cUnit, kThumbBlxR, rLR);
     } else {
         // Use vldm/vstm pair using r3 as a temp
-        int regsLeft = MIN(numArgs - 3, 16);
+        int regsLeft = std::min(numArgs - 3, 16);
         callState = nextCallInsn(cUnit, mir, dInsn, callState);
         opRegRegImm(cUnit, kOpAdd, r3, rSP, startOffset);
         newLIR3(cUnit, kThumb2Vldms, r3, fr0 & FP_REG_MASK, regsLeft);
@@ -791,7 +801,7 @@
         case OP_MOVE_EXCEPTION:
             int exOffset;
             int resetReg;
-            exOffset = OFFSETOF_MEMBER(Thread, exception);
+            exOffset = Thread::ExceptionOffset().Int32Value();
             resetReg = oatAllocTemp(cUnit);
             rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true);
             loadWordDisp(cUnit, rSELF, exOffset, rlResult.lowReg);
@@ -923,7 +933,7 @@
 
         case OP_ARRAY_LENGTH:
             int lenOffset;
-            lenOffset = OFFSETOF_MEMBER(ArrayObject, length);
+            lenOffset = Array::LengthOffset().Int32Value();
             genNullCheck(cUnit, rlSrc[0].sRegLow, rlSrc[0].lowReg,
                          mir->offset, NULL);
             rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true);
@@ -1101,7 +1111,7 @@
             genArrayPut(cUnit, mir, kWord, rlSrc[1], rlSrc[2], rlSrc[0], 2);
             break;
         case OP_APUT_OBJECT:
-            genArrayObjectPut(cUnit, mir, rlSrc[1], rlSrc[2], rlSrc[0], 2);
+            genArrayPut(cUnit, mir, rlSrc[1], rlSrc[2], rlSrc[0], 2);
             break;
         case OP_APUT_SHORT:
         case OP_APUT_CHAR:
@@ -1432,11 +1442,11 @@
  * Note: at this pointCopy any ins that are passed in register to their home location */
 static void flushIns(CompilationUnit* cUnit)
 {
-    if (cUnit->method->insSize == 0)
+    if (cUnit->method->num_ins_ == 0)
         return;
-    int inRegs = (cUnit->method->insSize > 2) ? 3 : cUnit->method->insSize;
+    int inRegs = (cUnit->method->num_ins_ > 2) ? 3 : cUnit->method->num_ins_;
     int startReg = r1;
-    int startLoc = cUnit->method->registersSize - cUnit->method->insSize;
+    int startLoc = cUnit->method->num_registers_ - cUnit->method->num_ins_;
     for (int i = 0; i < inRegs; i++) {
         RegLocation loc = cUnit->regLocation[startLoc + i];
         if (loc.location == kLocPhysReg) {
@@ -1459,7 +1469,7 @@
     }
 
     // Now, do initial assignment of all promoted arguments passed in frame
-    for (int i = inRegs; i < cUnit->method->insSize;) {
+    for (int i = inRegs; i < cUnit->method->num_ins_;) {
         RegLocation loc = cUnit->regLocation[startLoc + i];
         if (loc.fpLocation == kLocPhysReg) {
             loc.location = kLocPhysReg;
@@ -1721,45 +1731,3 @@
 {
     storeBaseDispWide(cUnit, rBase, displacement, rSrcLo, rSrcHi);
 }
-
-#ifdef TESTMODE
-// Will be done at runtime by art.  Keep for debugging
-void oatInitHelpers(Thread* thread)
-{
-    thread->pMemcpy = memcpy;
-    thread->pI2f = __aeabi_i2f;
-    thread->pF2iz = __aeabi_f2iz;
-    thread->pD2f = __aeabi_d2f;
-    thread->pF2d = __aeabi_f2d;
-    thread->pI2d = __aeabi_i2d;
-    thread->pD2iz = __aeabi_d2iz;
-    thread->pL2f = __aeabi_l2f;
-    thread->pL2d = __aeabi_l2d;
-    thread->pArtF2l = artF2L;
-    thread->pArtD2l = artD2L;
-    thread->pFadd = __aeabi_fadd;
-    thread->pFsub = __aeabi_fsub;
-    thread->pFdiv = __aeabi_fdiv;
-    thread->pFmul = __aeabi_fmul;
-    thread->pFmodf = fmodf;
-    thread->pDadd = __aeabi_dadd;
-    thread->pDsub = __aeabi_dsub;
-    thread->pDdiv = __aeabi_ddiv;
-    thread->pDmul = __aeabi_dmul;
-    thread->pFmod = fmod;
-    thread->pIdivmod = __aeabi_idivmod;
-    thread->pIdiv = __aeabi_idiv;
-    thread->pLdivmod = __aeabi_ldivmod;
-    thread->pArtUnlockObject = dvmUnlockObject;
-    thread->pArtCanPutArrayElementNoThrow = dvmCanPutArrayElement;
-    thread->pArtInstanceofNonTrivialNoThrow = dvmInstanceofNonTrivial;
-    thread->pArtInstanceofNonTrivial = dvmInstanceofNonTrivial;
-    thread->pArtAllocArrayByClass = dvmAllocArrayByClass;
-    thread->pArtFindInterfaceMethodInCache = dvmFindInterfaceMethodInCache;
-    thread->pArtUnlockObjectNoThrow = dvmUnlockObject;
-    thread->pArtLockObjectNoThrow = dvmLockObject;
-    thread->pArtAllocObjectNoThrow = dvmAllocObject;
-    thread->pArtThrowException = NULL;  //TBD
-    thread->pArtHandleFillArrayDataNoThrow = dvmInterpHandleFillArrayData;
-}
-#endif
diff --git a/src/compiler/codegen/arm/Thumb2/Gen.cc b/src/compiler/codegen/arm/Thumb2/Gen.cc
index c9d72f7..1a126e4 100644
--- a/src/compiler/codegen/arm/Thumb2/Gen.cc
+++ b/src/compiler/codegen/arm/Thumb2/Gen.cc
@@ -356,7 +356,7 @@
     int regCardBase = oatAllocTemp(cUnit);
     int regCardNo = oatAllocTemp(cUnit);
     ArmLIR* branchOver = genCmpImmBranch(cUnit, kArmCondEq, valReg, 0);
-    loadWordDisp(cUnit, rSELF, offsetof(Thread, cardTable),
+    loadWordDisp(cUnit, rSELF, Thread::CardTableOffset().Int32Value(),
                  regCardBase);
     opRegRegImm(cUnit, kOpLsr, regCardNo, tgtAddrReg, GC_CARD_SHIFT);
     storeBaseIndexed(cUnit, regCardBase, regCardNo, regCardBase, 0,
@@ -371,8 +371,8 @@
 static void genIGetX(CompilationUnit* cUnit, MIR* mir, OpSize size,
                      RegLocation rlDest, RegLocation rlObj)
 {
-    Field* fieldPtr =
-        cUnit->method->clazz->pDvmDex->pResFields[mir->dalvikInsn.vC];
+    Field* fieldPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedField(mir->dalvikInsn.vC);
     if (fieldPtr == NULL) {
         /*
          * With current scheme, we should never be in a situation
@@ -387,7 +387,7 @@
 #else
     bool isVolatile = false;
 #endif
-    int fieldOffset = ((InstField *)fieldPtr)->byteOffset;
+    int fieldOffset = fieldPtr->GetOffset();
     RegLocation rlResult;
     RegisterClass regClass = oatRegClassBySize(size);
     rlObj = loadValue(cUnit, rlObj, kCoreReg);
@@ -406,8 +406,8 @@
 static void genIPutX(CompilationUnit* cUnit, MIR* mir, OpSize size,
                     RegLocation rlSrc, RegLocation rlObj, bool isObject)
 {
-    Field* fieldPtr =
-        cUnit->method->clazz->pDvmDex->pResFields[mir->dalvikInsn.vC];
+    Field* fieldPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedField(mir->dalvikInsn.vC);
     if (fieldPtr == NULL) {
         /*
          * With current scheme, we should never be in a situation
@@ -422,7 +422,7 @@
 #else
     bool isVolatile = false;
 #endif
-    int fieldOffset = ((InstField *)fieldPtr)->byteOffset;
+    int fieldOffset = fieldPtr->GetOffset();
     RegisterClass regClass = oatRegClassBySize(size);
     rlObj = loadValue(cUnit, rlObj, kCoreReg);
     rlSrc = loadValue(cUnit, rlSrc, regClass);
@@ -442,8 +442,8 @@
 static void genIGetWideX(CompilationUnit* cUnit, MIR* mir, RegLocation rlDest,
                         RegLocation rlObj)
 {
-   Field* fieldPtr =
-       cUnit->method->clazz->pDvmDex->pResFields[mir->dalvikInsn.vC];
+    Field* fieldPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedField(mir->dalvikInsn.vC);
     if (fieldPtr == NULL) {
         /*
          * With current scheme, we should never be in a situation
@@ -458,7 +458,7 @@
 #else
     bool isVolatile = false;
 #endif
-    int fieldOffset = ((InstField *)fieldPtr)->byteOffset;
+    int fieldOffset = fieldPtr->GetOffset();
     RegLocation rlResult;
     rlObj = loadValue(cUnit, rlObj, kCoreReg);
     int regPtr = oatAllocTemp(cUnit);
@@ -483,8 +483,8 @@
 static void genIPutWideX(CompilationUnit* cUnit, MIR* mir, RegLocation rlSrc,
                         RegLocation rlObj)
 {
-   Field* fieldPtr =
-        cUnit->method->clazz->pDvmDex->pResFields[mir->dalvikInsn.vC];
+    Field* fieldPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedField(mir->dalvikInsn.vC);
     if (fieldPtr == NULL) {
         /*
          * With current scheme, we should never be in a situation
@@ -499,7 +499,7 @@
 #else
     bool isVolatile = false;
 #endif
-    int fieldOffset = ((InstField *)fieldPtr)->byteOffset;
+    int fieldOffset = fieldPtr->GetOffset();
 
     rlObj = loadValue(cUnit, rlObj, kCoreReg);
     int regPtr;
@@ -520,13 +520,14 @@
 static void genConstClass(CompilationUnit* cUnit, MIR* mir,
                           RegLocation rlDest, RegLocation rlSrc)
 {
-    void* classPtr = (void*)
-      (cUnit->method->clazz->pDvmDex->pResClasses[mir->dalvikInsn.vB]);
+    Class* classPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedClass(mir->dalvikInsn.vB);
 
     if (classPtr == NULL) {
         LOG(FATAL) << "Unexpected null class pointer";
     }
 
+    UNIMPLEMENTED(WARNING) << "Not position independent.  Fix";
     RegLocation rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true);
     loadConstantNoClobber(cUnit, rlResult.lowReg, (int) classPtr );
     storeValue(cUnit, rlDest, rlResult);
@@ -535,14 +536,15 @@
 static void genConstString(CompilationUnit* cUnit, MIR* mir,
                            RegLocation rlDest, RegLocation rlSrc)
 {
-    void* strPtr = (void*)
-      (cUnit->method->clazz->pDvmDex->pResStrings[mir->dalvikInsn.vB]);
+    String* strPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedString(mir->dalvikInsn.vB);
 
     if (strPtr == NULL) {
         /* Shouldn't happen */
         LOG(FATAL) << "Unexpected null const string pointer";
     }
 
+    UNIMPLEMENTED(WARNING) << "Not position indendent.  Fix";
     RegLocation rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true);
     loadConstantNoClobber(cUnit, rlResult.lowReg, (int) strPtr );
     storeValue(cUnit, rlDest, rlResult);
@@ -551,8 +553,8 @@
 static void genNewInstance(CompilationUnit* cUnit, MIR* mir,
                            RegLocation rlDest)
 {
-    ClassObject* classPtr = (ClassObject *)
-      (cUnit->method->clazz->pDvmDex->pResClasses[mir->dalvikInsn.vB]);
+    Class* classPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedClass(mir->dalvikInsn.vB);
 
     if (classPtr == NULL) {
         /* Shouldn't happen */
@@ -560,12 +562,13 @@
     }
 
     // Verifier should have already rejected abstract/interface
-    assert((classPtr->accessFlags & (ACC_INTERFACE|ACC_ABSTRACT)) == 0);
+    assert((classPtr->access_flags_ &
+           (art::kAccInterface|art::kAccAbstract)) == 0);
     oatFlushAllRegs(cUnit);   /* Everything to home location */
     loadWordDisp(cUnit, rSELF,
                  OFFSETOF_MEMBER(Thread, pArtAllocObjectNoThrow), rLR);
     loadConstant(cUnit, r0, (int) classPtr);
-    loadConstant(cUnit, r1, ALLOC_DONT_TRACK);
+    UNIMPLEMENTED(WARNING) << "Need NewWorld dvmAllocObject";
     opReg(cUnit, kOpBlx, rLR);
     oatClobberCallRegs(cUnit);
     RegLocation rlResult = oatGetReturn(cUnit);
@@ -586,8 +589,8 @@
 {
    // May generate a call - use explicit registers
     RegLocation rlResult;
-    ClassObject* classPtr =
-      (cUnit->method->clazz->pDvmDex->pResClasses[mir->dalvikInsn.vC]);
+    Class* classPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedClass(mir->dalvikInsn.vC);
     if (classPtr == NULL) {
         /* Shouldn't happen */
         LOG(FATAL) << "Unexpected null class pointer";
@@ -598,7 +601,8 @@
     /* When taken r0 has NULL which can be used for store directly */
     ArmLIR* branch1 = genCmpImmBranch(cUnit, kArmCondEq, r0, 0);
     /* r1 now contains object->clazz */
-    loadWordDisp(cUnit, r0, offsetof(Object, clazz), r1);
+    assert(OFFSETOF_MEMBER(Object, klass_) == 0);
+    loadWordDisp(cUnit, r0, OFFSETOF_MEMBER(Object, klass_), r1);
     /* r1 now contains object->clazz */
     loadWordDisp(cUnit, rSELF,
                  OFFSETOF_MEMBER(Thread, pArtInstanceofNonTrivial), rLR);
@@ -620,8 +624,8 @@
 
 static void genCheckCast(CompilationUnit* cUnit, MIR* mir, RegLocation rlSrc)
 {
-   ClassObject* classPtr =
-      (cUnit->method->clazz->pDvmDex->pResClasses[mir->dalvikInsn.vB]);
+    Class* classPtr = cUnit->method->GetDeclaringClass()->GetDexCache()->
+        GetResolvedClass(mir->dalvikInsn.vB);
     if (classPtr == NULL) {
         /* Shouldn't happen with our current model */
         LOG(FATAL) << "Unexpected null class pointer";
@@ -639,7 +643,7 @@
      *  with clazz.
      */
     /* r0 now contains object->clazz */
-    loadWordDisp(cUnit, rlSrc.lowReg, offsetof(Object, clazz), r0);
+    loadWordDisp(cUnit, rlSrc.lowReg, OFFSETOF_MEMBER(Object, klass_), r0);
     loadWordDisp(cUnit, rSELF,
                  OFFSETOF_MEMBER(Thread, pArtInstanceofNonTrivialNoThrow), rLR);
     opRegReg(cUnit, kOpCmp, r0, r1);
@@ -783,20 +787,23 @@
     ArmLIR* hopBranch;
 
     oatFlushAllRegs(cUnit);
-    assert(LW_SHAPE_THIN == 0);
+    assert(art::Monitor::kLwShapeThin == 0);
     loadValueDirectFixed(cUnit, rlSrc, r1);  // Get obj
     oatLockAllTemps(cUnit);  // Prepare for explicit register usage
     genNullCheck(cUnit, rlSrc.sRegLow, r1, mir->offset, NULL);
-    loadWordDisp(cUnit, rSELF, offsetof(Thread, threadId), r3); // Get threadId
+    loadWordDisp(cUnit, rSELF, Thread::IdOffset().Int32Value(), r3);
     newLIR3(cUnit, kThumb2Ldrex, r2, r1,
-            offsetof(Object, lock) >> 2); // Get object->lock
-    opRegImm(cUnit, kOpLsl, r3, LW_LOCK_OWNER_SHIFT); // Align owner
+            OFFSETOF_MEMBER(Object, monitor_) >> 2); // Get object->lock
+    // Align owner
+    opRegImm(cUnit, kOpLsl, r3, art::Monitor::kLwLockOwnerShift);
     // Is lock unheld on lock or held by us (==threadId) on unlock?
-    newLIR4(cUnit, kThumb2Bfi, r3, r2, 0, LW_LOCK_OWNER_SHIFT - 1);
-    newLIR3(cUnit, kThumb2Bfc, r2, LW_HASH_STATE_SHIFT,
-            LW_LOCK_OWNER_SHIFT - 1);
+    newLIR4(cUnit, kThumb2Bfi, r3, r2, 0, art::Monitor::kLwLockOwnerShift
+            - 1);
+    newLIR3(cUnit, kThumb2Bfc, r2, art::Monitor::kLwHashStateShift,
+            art::Monitor::kLwLockOwnerShift - 1);
     hopBranch = newLIR2(cUnit, kThumb2Cbnz, r2, 0);
-    newLIR4(cUnit, kThumb2Strex, r2, r3, r1, offsetof(Object, lock) >> 2);
+    newLIR4(cUnit, kThumb2Strex, r2, r3, r1,
+            OFFSETOF_MEMBER(Object, monitor_) >> 2);
     oatGenMemBarrier(cUnit, kSY);
     branch = newLIR2(cUnit, kThumb2Cbz, r2, 0);
 
@@ -830,23 +837,24 @@
     ArmLIR* hopTarget;
     ArmLIR* hopBranch;
 
-    assert(LW_SHAPE_THIN == 0);
+    assert(art::Monitor::kLwShapeThin == 0);
     oatFlushAllRegs(cUnit);
     loadValueDirectFixed(cUnit, rlSrc, r1);  // Get obj
     oatLockAllTemps(cUnit);  // Prepare for explicit register usage
     genNullCheck(cUnit, rlSrc.sRegLow, r1, mir->offset, NULL);
-    loadWordDisp(cUnit, r1, offsetof(Object, lock), r2); // Get object->lock
-    loadWordDisp(cUnit, rSELF, offsetof(Thread, threadId), r3); // Get threadId
+    loadWordDisp(cUnit, r1, OFFSETOF_MEMBER(Object, monitor_), r2); // Get lock
+    loadWordDisp(cUnit, rSELF, Thread::IdOffset().Int32Value(), r3);
     // Is lock unheld on lock or held by us (==threadId) on unlock?
-    opRegRegImm(cUnit, kOpAnd, r12, r2,
-                (LW_HASH_STATE_MASK << LW_HASH_STATE_SHIFT));
-    opRegImm(cUnit, kOpLsl, r3, LW_LOCK_OWNER_SHIFT); // Align owner
-    newLIR3(cUnit, kThumb2Bfc, r2, LW_HASH_STATE_SHIFT,
-            LW_LOCK_OWNER_SHIFT - 1);
+    opRegRegImm(cUnit, kOpAnd, r12, r2, (art::Monitor::kLwHashStateMask <<
+                art::Monitor::kLwHashStateShift));
+    // Align owner
+    opRegImm(cUnit, kOpLsl, r3, art::Monitor::kLwLockOwnerShift);
+    newLIR3(cUnit, kThumb2Bfc, r2, art::Monitor::kLwHashStateShift,
+            art::Monitor::kLwLockOwnerShift - 1);
     opRegReg(cUnit, kOpSub, r2, r3);
     hopBranch = opCondBranch(cUnit, kArmCondNe);
     oatGenMemBarrier(cUnit, kSY);
-    storeWordDisp(cUnit, r1, offsetof(Object, lock), r12);
+    storeWordDisp(cUnit, r1, OFFSETOF_MEMBER(Object, monitor_), r12);
     branch = opNone(cUnit, kOpUncondBr);
 
     hopTarget = newLIR0(cUnit, kArmPseudoTargetLabel);
@@ -1116,13 +1124,13 @@
  * Generate array store
  *
  */
-static void genArrayObjectPut(CompilationUnit* cUnit, MIR* mir,
+static void genArrayPut(CompilationUnit* cUnit, MIR* mir,
                               RegLocation rlArray, RegLocation rlIndex,
                               RegLocation rlSrc, int scale)
 {
     RegisterClass regClass = oatRegClassBySize(kWord);
-    int lenOffset = OFFSETOF_MEMBER(ArrayObject, length);
-    int dataOffset = OFFSETOF_MEMBER(ArrayObject, contents);
+    int lenOffset = Array::LengthOffset().Int32Value();
+    int dataOffset = Array::DataOffset().Int32Value();
 
     /* Make sure it's a legal object Put. Use direct regs at first */
     loadValueDirectFixed(cUnit, rlArray, r1);
@@ -1138,9 +1146,9 @@
     loadWordDisp(cUnit, rSELF,
                  OFFSETOF_MEMBER(Thread, pArtCanPutArrayElementNoThrow), rLR);
     /* Get the array's clazz */
-    loadWordDisp(cUnit, r1, offsetof(Object, clazz), r1);
+    loadWordDisp(cUnit, r1, OFFSETOF_MEMBER(Object, klass_), r1);
     /* Get the object's clazz */
-    loadWordDisp(cUnit, r0, offsetof(Object, clazz), r0);
+    loadWordDisp(cUnit, r0, OFFSETOF_MEMBER(Object, klass_), r0);
     opReg(cUnit, kOpBlx, rLR);
     oatClobberCallRegs(cUnit);
 
@@ -1186,8 +1194,8 @@
                         RegLocation rlDest, int scale)
 {
     RegisterClass regClass = oatRegClassBySize(size);
-    int lenOffset = OFFSETOF_MEMBER(ArrayObject, length);
-    int dataOffset = OFFSETOF_MEMBER(ArrayObject, contents);
+    int lenOffset = Array::LengthOffset().Int32Value();
+    int dataOffset = Array::DataOffset().Int32Value();
     RegLocation rlResult;
     rlArray = loadValue(cUnit, rlArray, kCoreReg);
     rlIndex = loadValue(cUnit, rlIndex, kCoreReg);
@@ -1251,8 +1259,8 @@
                         RegLocation rlSrc, int scale)
 {
     RegisterClass regClass = oatRegClassBySize(size);
-    int lenOffset = OFFSETOF_MEMBER(ArrayObject, length);
-    int dataOffset = OFFSETOF_MEMBER(ArrayObject, contents);
+    int lenOffset = Array::LengthOffset().Int32Value();
+    int dataOffset = Array::DataOffset().Int32Value();
 
     int regPtr;
     rlArray = loadValue(cUnit, rlArray, kCoreReg);