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org.jikesrvm.osr.ia32
Class BaselineExecutionStateExtractor

java.lang.Object
  extended by org.jikesrvm.osr.ExecutionStateExtractor
      extended by org.jikesrvm.osr.ia32.BaselineExecutionStateExtractor
All Implemented Interfaces:
ClassLoaderConstants, PhysicalRegisterConstants, Constants, HeapLayoutConstants, ArchConstants, RegisterConstants, StackframeLayoutConstants, TrapConstants, ThinLockConstants, TIBLayoutConstants, OSRConstants, SizeConstants
Direct Known Subclasses:
ArchitectureSpecificOpt.BaselineExecutionStateExtractor
public abstract class BaselineExecutionStateExtractor
extends ExecutionStateExtractor
implements Constants, ArchConstants, OSRConstants, PhysicalRegisterConstants

A class that retrieves the VM scope descriptor from a suspended thread whose top method was compiled by the baseline compiler.

Nested Class Summary
 
Nested classes/interfaces inherited from interface org.jikesrvm.ia32.RegisterConstants
RegisterConstants.FloatingPointMachineRegister, RegisterConstants.FPR, RegisterConstants.GPR, RegisterConstants.MachineRegister, RegisterConstants.MM, RegisterConstants.XMM
 
Field Summary
 
Fields inherited from interface org.jikesrvm.Constants
NOT_REACHED, REFLECTION_FPRS_BITS, REFLECTION_FPRS_MASK, REFLECTION_GPRS_BITS, REFLECTION_GPRS_MASK
 
Fields inherited from interface org.jikesrvm.objectmodel.ThinLockConstants
TL_DEDICATED_U16_OFFSET, TL_DEDICATED_U16_SHIFT, TL_LOCK_COUNT_MASK, TL_LOCK_COUNT_SHIFT, TL_LOCK_COUNT_UNIT, TL_LOCK_ID_MASK, TL_LOCK_ID_SHIFT, TL_NUM_BITS_RC, TL_NUM_BITS_STAT, TL_NUM_BITS_TID, TL_STAT_BIASABLE, TL_STAT_FAT, TL_STAT_MASK, TL_STAT_SHIFT, TL_STAT_THIN, TL_THREAD_ID_MASK, TL_THREAD_ID_SHIFT, TL_UNLOCK_MASK
 
Fields inherited from interface org.jikesrvm.SizeConstants
BITS_IN_ADDRESS, BITS_IN_BOOLEAN, BITS_IN_BYTE, BITS_IN_CHAR, BITS_IN_DOUBLE, BITS_IN_EXTENT, BITS_IN_FLOAT, BITS_IN_INT, BITS_IN_LONG, BITS_IN_OFFSET, BITS_IN_PAGE, BITS_IN_SHORT, BITS_IN_WORD, BYTES_IN_ADDRESS, BYTES_IN_BOOLEAN, BYTES_IN_BYTE, BYTES_IN_CHAR, BYTES_IN_DOUBLE, BYTES_IN_EXTENT, BYTES_IN_FLOAT, BYTES_IN_INT, BYTES_IN_LONG, BYTES_IN_OFFSET, BYTES_IN_PAGE, BYTES_IN_SHORT, BYTES_IN_WORD, LOG_BITS_IN_ADDRESS, LOG_BITS_IN_BOOLEAN, LOG_BITS_IN_BYTE, LOG_BITS_IN_CHAR, LOG_BITS_IN_DOUBLE, LOG_BITS_IN_EXTENT, LOG_BITS_IN_FLOAT, LOG_BITS_IN_INT, LOG_BITS_IN_LONG, LOG_BITS_IN_OFFSET, LOG_BITS_IN_PAGE, LOG_BITS_IN_SHORT, LOG_BITS_IN_WORD, LOG_BYTES_IN_ADDRESS, LOG_BYTES_IN_BOOLEAN, LOG_BYTES_IN_BYTE, LOG_BYTES_IN_CHAR, LOG_BYTES_IN_DOUBLE, LOG_BYTES_IN_EXTENT, LOG_BYTES_IN_FLOAT, LOG_BYTES_IN_INT, LOG_BYTES_IN_LONG, LOG_BYTES_IN_OFFSET, LOG_BYTES_IN_PAGE, LOG_BYTES_IN_SHORT, LOG_BYTES_IN_WORD
 
Fields inherited from interface org.jikesrvm.objectmodel.TIBLayoutConstants
IMT_METHOD_SLOTS, NEEDS_DYNAMIC_LINK, TIB_ARRAY_ELEMENT_TIB_INDEX, TIB_DOES_IMPLEMENT_INDEX, TIB_FIRST_SPECIALIZED_METHOD_INDEX, TIB_FIRST_VIRTUAL_METHOD_INDEX, TIB_INTERFACE_DISPATCH_TABLE_INDEX, TIB_SUPERCLASS_IDS_INDEX, TIB_TYPE_INDEX
 
Fields inherited from interface org.jikesrvm.HeapLayoutConstants
BAD_MAP_COMPRESSION, BOOT_IMAGE_CODE_END, BOOT_IMAGE_CODE_SIZE, BOOT_IMAGE_CODE_START, BOOT_IMAGE_DATA_END, BOOT_IMAGE_DATA_SIZE, BOOT_IMAGE_DATA_START, BOOT_IMAGE_END, BOOT_IMAGE_RMAP_END, BOOT_IMAGE_RMAP_START, MAX_BOOT_IMAGE_RMAP_SIZE, MAXIMUM_MAPPABLE
 
Fields inherited from interface org.jikesrvm.ia32.ArchConstants
SSE2_BASE, SSE2_FULL
 
Fields inherited from interface org.jikesrvm.ia32.StackframeLayoutConstants
BYTES_IN_STACKSLOT, FPU_STATE_SIZE, INVISIBLE_METHOD_ID, LOG_BYTES_IN_STACKSLOT, STACK_SIZE_BOOT, STACK_SIZE_COLLECTOR, STACK_SIZE_DLOPEN, STACK_SIZE_GCDISABLED, STACK_SIZE_GROW, STACK_SIZE_GUARD, STACK_SIZE_JNINATIVE_GROW, STACK_SIZE_MAX, STACK_SIZE_NORMAL, STACK_SIZE_SYSCALL, STACKFRAME_ALIGNMENT, STACKFRAME_BODY_OFFSET, STACKFRAME_FRAME_POINTER_OFFSET, STACKFRAME_HEADER_SIZE, STACKFRAME_METHOD_ID_OFFSET, STACKFRAME_RETURN_ADDRESS_OFFSET, STACKFRAME_SENTINEL_FP, XMM_STATE_SIZE
 
Fields inherited from interface org.jikesrvm.ia32.TrapConstants
RVM_TRAP_BASE
 
Fields inherited from interface org.jikesrvm.osr.OSRConstants
ACONST, BCI_MASK, BCI_SHIFT, CLEANREFS, DOUBLE, FLOAT, GETREFAT, HIGH_64BIT, ICONST, IEI_MASK, IEI_SHIFT, INT, INVALID_BCI, INVALID_IEI, KIND_MASK, KIND_SHIFT, LCONST, LOCAL, LONG, NEXT_BIT, NO_OSR_ENTRY, NUM_MASK, NUM_SHIFT, OFFSET_MASK, OFFSET_SHIFT, OSRI_MASK, OSRI_SHIFT, PHYREG, PSEUDO_CheckCast, PSEUDO_InvokeCompiledMethod, PSEUDO_InvokeStatic, PSEUDO_LoadDoubleConst, PSEUDO_LoadFloatConst, PSEUDO_LoadIntConst, PSEUDO_LoadLongConst, PSEUDO_LoadRetAddrConst, PSEUDO_LoadWordConst, PSEUDO_ParamInitEnd, REF, RET_ADDR, ReturnAddressTypeCode, SPILL, STACK, TCODE_MASK, TCODE_SHIFT, VTYPE_MASK, VTYPE_SHIFT, WORD, WordTypeCode
 
Fields inherited from interface org.jikesrvm.classloader.ClassLoaderConstants
ACC_ABSTRACT, ACC_ANNOTATION, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VOLATILE, APPLICABLE_TO_CLASSES, APPLICABLE_TO_FIELDS, APPLICABLE_TO_METHODS, ArrayTypeCode, BooleanTypeCode, BRIDGE, ByteTypeCode, CharTypeCode, CLASS_INITIALIZED, CLASS_INITIALIZER_FAILED, CLASS_INITIALIZING, CLASS_INSTANTIATED, CLASS_LOADED, CLASS_RESOLVED, CLASS_VACANT, ClassTypeCode, CP_CLASS, CP_DOUBLE, CP_FLOAT, CP_INT, CP_LONG, CP_MEMBER, CP_STRING, CP_UTF, DoubleTypeCode, FloatTypeCode, IntTypeCode, LongTypeCode, ShortTypeCode, TAG_DOUBLE, TAG_FIELDREF, TAG_FLOAT, TAG_INT, TAG_INTERFACE_METHODREF, TAG_LONG, TAG_MEMBERNAME_AND_DESCRIPTOR, TAG_METHODREF, TAG_STRING, TAG_TYPEREF, TAG_UNUSED, TAG_UTF, VARARGS, VoidTypeCode
 
Fields inherited from interface org.jikesrvm.compilers.opt.regalloc.ia32.PhysicalRegisterConstants
AF, C0, C1, C2, C3, CF, CONDITION_VALUE, DOUBLE_REG, DOUBLE_VALUE, FIRST_DOUBLE, FIRST_INT, FIRST_SPECIAL, FLOAT_VALUE, INT_REG, INT_VALUE, NUM_SPECIALS, NUMBER_TYPE, OF, PF, SF, SPECIAL_REG, ST0, ST1, ZF
 
Fields inherited from interface org.jikesrvm.ia32.RegisterConstants
ALL_FPRS, ALL_GPRS, EAX, EBP, EBX, ECX, EDI, EDX, ESI, ESP, FP0, FP1, FP2, FP3, FP4, FP5, FP6, FP7, INSTRUCTION_WIDTH, LG_INSTRUCTION_WIDTH, MM0, MM1, MM10, MM11, MM12, MM13, MM14, MM15, MM2, MM3, MM4, MM5, MM6, MM7, MM8, MM9, NATIVE_NONVOLATILE_FPRS, NATIVE_NONVOLATILE_GPRS, NATIVE_PARAMETER_FPRS, NATIVE_PARAMETER_GPRS, NATIVE_VOLATILE_FPRS, NATIVE_VOLATILE_GPRS, NONVOLATILE_FPRS, NONVOLATILE_GPRS, NUM_FPRS, NUM_GPRS, NUM_NONVOLATILE_FPRS, NUM_NONVOLATILE_GPRS, NUM_PARAMETER_FPRS, NUM_PARAMETER_GPRS, NUM_RETURN_FPRS, NUM_RETURN_GPRS, NUM_VOLATILE_FPRS, NUM_VOLATILE_GPRS, PARAMETER_FPRS, PARAMETER_GPRS, R0, R1, R10, R11, R12, R13, R14, R15, R2, R3, R4, R5, R6, R7, R8, R9, RETURN_FPRS, RETURN_GPRS, STACK_POINTER, THREAD_REGISTER, VOLATILE_FPRS, VOLATILE_GPRS, XMM0, XMM1, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, XMM8, XMM9
 
Constructor Summary
BaselineExecutionStateExtractor()
           
 
Method Summary
 ExecutionState extractState(RVMThread thread, Offset osrFPoff, Offset methFPoff, int cmid)
          Implements ExecutionStateExtractor.extractState.
private static void getVariableValue(byte[] stack, Offset offset, byte[] types, BaselineCompiledMethod compiledMethod, boolean kind, ExecutionState state)
           
 
Methods inherited from class org.jikesrvm.osr.ExecutionStateExtractor
printStackTraces
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

BaselineExecutionStateExtractor

public BaselineExecutionStateExtractor()
Method Detail

extractState

public ExecutionState extractState(RVMThread thread,
                                   Offset osrFPoff,
                                   Offset methFPoff,
                                   int cmid)
Implements ExecutionStateExtractor.extractState.

Specified by:
extractState in class ExecutionStateExtractor
Parameters:
thread - : the suspended thread, the registers and stack frames are used.
osrFPoff - : the osr method's stack frame offset
methFPoff - : the real method's stack frame offset
cmid - : the top application method ( system calls are unwounded ). return a ExecutionStateExtractor object.

getVariableValue

private static void getVariableValue(byte[] stack,
                                     Offset offset,
                                     byte[] types,
                                     BaselineCompiledMethod compiledMethod,
                                     boolean kind,
                                     ExecutionState state)
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