OpenJDK 27 · sun.jvm.hotspot.debugger.linux.LinuxAddress

Modifier and Type	Field and Description
protected long	addr
protected LinuxDebugger	debugger

Access	Constructor and Description
public	LinuxAddress(LinuxDebugger debugger, long addr)

Method Summary

Modifier and Type	Method and Description
public Address	addOffsetTo(long offset) Implements sun.jvm.hotspot.debugger.Address.addOffsetTo. This throws an UnsupportedOperationException if this address happens to actually be an OopHandle, because interior object pointers are not allowed.
public OopHandle	addOffsetToAsOopHandle(long offset) Implements sun.jvm.hotspot.debugger.Address.addOffsetToAsOopHandle. This method had to be added in order to support heap iteration in the debugging system, and is effectively the dangerous operation of allowing interior object pointers.
public Address	andWithMask(long mask) Implements sun.jvm.hotspot.debugger.Address.andWithMask. This throws an UnsupportedOperationException if this address happens to actually be an OopHandle.
public long	asLongValue() Implements sun.jvm.hotspot.debugger.Address.asLongValue.
private static void	check(boolean arg, String failMessage)
public boolean	equals(Object arg) Overrides java.lang.Object.equals. Implements sun.jvm.hotspot.debugger.Address.equals. This is stated explicitly here because it is important for implementations to understand that equals() and hashCode() must absolutely, positively work properly -- i.e., two Address objects representing the same address are both equal (via equals()) and have the same hash code.
public Address	getAddressAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getAddressAt. This returns null if the address at the given offset is NULL.
public long	getCIntegerAt(long offset, long numBytes, boolean isUnsigned) Implements sun.jvm.hotspot.debugger.Address.getCIntegerAt.
public Address	getCompKlassAddressAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getCompKlassAddressAt.
public Address	getCompOopAddressAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getCompOopAddressAt. Returns the decoded address at the given offset
public OopHandle	getCompOopHandleAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getCompOopHandleAt.
public boolean	getJBooleanAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getJBooleanAt.
public byte	getJByteAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getJByteAt.
public char	getJCharAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getJCharAt.
public double	getJDoubleAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getJDoubleAt.
public float	getJFloatAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getJFloatAt.
public int	getJIntAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getJIntAt.
public long	getJLongAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getJLongAt.
public short	getJShortAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getJShortAt.
public OopHandle	getOopHandleAt(long offset) Implements sun.jvm.hotspot.debugger.Address.getOopHandleAt. This returns null if the address at the given offset is NULL.
public boolean	greaterThan(Address a) Implements sun.jvm.hotspot.debugger.Address.greaterThan. Performs unsigned comparison "this > arg".
public boolean	greaterThanOrEqual(Address a) Implements sun.jvm.hotspot.debugger.Address.greaterThanOrEqual. Performs unsigned comparison "this >= arg".
public int	hashCode() Overrides java.lang.Object.hashCode. Implements sun.jvm.hotspot.debugger.Address.hashCode. This is stated explicitly here because it is important for implementations to understand that equals() and hashCode() must absolutely, positively work properly -- i.e., two Address objects representing the same address are both equal (via equals()) and have the same hash code.
public boolean	lessThan(Address a) Implements sun.jvm.hotspot.debugger.Address.lessThan. Performs unsigned comparison "this < arg".
public boolean	lessThanOrEqual(Address a) Implements sun.jvm.hotspot.debugger.Address.lessThanOrEqual. Performs unsigned comparison "this <= arg".
public static void	main(String[] args)
public long	minus(Address arg) Implements sun.jvm.hotspot.debugger.Address.minus. (FIXME: any signed/unsigned issues?
public Address	orWithMask(long mask) Implements sun.jvm.hotspot.debugger.Address.orWithMask. This throws an UnsupportedOperationException if this address happens to actually be an OopHandle.
public void	setAddressAt(long offset, Address value) Implements sun.jvm.hotspot.debugger.Address.setAddressAt. Sets an Address at the specified location.
public void	setCIntegerAt(long offset, long numBytes, long value) Implements sun.jvm.hotspot.debugger.Address.setCIntegerAt. Sets a C integer numBytes in size at the specified offset.
public void	setJBooleanAt(long offset, boolean value) Implements sun.jvm.hotspot.debugger.Address.setJBooleanAt.
public void	setJByteAt(long offset, byte value) Implements sun.jvm.hotspot.debugger.Address.setJByteAt.
public void	setJCharAt(long offset, char value) Implements sun.jvm.hotspot.debugger.Address.setJCharAt.
public void	setJDoubleAt(long offset, double value) Implements sun.jvm.hotspot.debugger.Address.setJDoubleAt.
public void	setJFloatAt(long offset, float value) Implements sun.jvm.hotspot.debugger.Address.setJFloatAt.
public void	setJIntAt(long offset, int value) Implements sun.jvm.hotspot.debugger.Address.setJIntAt.
public void	setJLongAt(long offset, long value) Implements sun.jvm.hotspot.debugger.Address.setJLongAt.
public void	setJShortAt(long offset, short value) Implements sun.jvm.hotspot.debugger.Address.setJShortAt.
public void	setOopHandleAt(long offset, OopHandle value) Implements sun.jvm.hotspot.debugger.Address.setOopHandleAt.
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.
public Address	xorWithMask(long mask) Implements sun.jvm.hotspot.debugger.Address.xorWithMask. This throws an UnsupportedOperationException if this address happens to actually be an OopHandle.

Inherited from java.lang.Object:: clone finalize getClass notify notifyAll wait wait wait

addr	back to summary
protected long addr

debugger	back to summary
protected LinuxDebugger debugger

LinuxAddress	back to summary
public LinuxAddress(LinuxDebugger debugger, long addr)

Method Detail

addOffsetTo	back to summary
public Address addOffsetTo(long offset) throws UnsupportedOperationException Implements sun.jvm.hotspot.debugger.Address.addOffsetTo. Doc from sun.jvm.hotspot.debugger.Address.addOffsetTo. This throws an UnsupportedOperationException if this address happens to actually be an OopHandle, because interior object pointers are not allowed. Negative offsets are allowed and handle the subtraction case.

addOffsetTo

back to summary

public Address addOffsetTo(long offset) throws UnsupportedOperationException

Implements sun.jvm.hotspot.debugger.Address.addOffsetTo.

Doc from sun.jvm.hotspot.debugger.Address.addOffsetTo.

This throws an UnsupportedOperationException if this address happens to actually be an OopHandle, because interior object pointers are not allowed. Negative offsets are allowed and handle the subtraction case.

addOffsetToAsOopHandle	back to summary
public OopHandle addOffsetToAsOopHandle(long offset) throws UnsupportedOperationException Implements sun.jvm.hotspot.debugger.Address.addOffsetToAsOopHandle. Doc from sun.jvm.hotspot.debugger.Address.addOffsetToAsOopHandle. This method had to be added in order to support heap iteration in the debugging system, and is effectively the dangerous operation of allowing interior object pointers. For this reason it was kept as a separate API and its use is forbidden in the non-debugging (i.e., reflective system) case. It is strongly recommended that this not be called by clients: it is currently wrapped up in the Space's iteration mechanism.

addOffsetToAsOopHandle

back to summary

public OopHandle addOffsetToAsOopHandle(long offset) throws UnsupportedOperationException

Implements sun.jvm.hotspot.debugger.Address.addOffsetToAsOopHandle.

Doc from sun.jvm.hotspot.debugger.Address.addOffsetToAsOopHandle.

This method had to be added in order to support heap iteration in the debugging system, and is effectively the dangerous operation of allowing interior object pointers. For this reason it was kept as a separate API and its use is forbidden in the non-debugging (i.e., reflective system) case. It is strongly recommended that this not be called by clients: it is currently wrapped up in the Space's iteration mechanism.

andWithMask	back to summary
public Address andWithMask(long mask) throws UnsupportedOperationException Implements sun.jvm.hotspot.debugger.Address.andWithMask. Doc from sun.jvm.hotspot.debugger.Address.andWithMask. This throws an UnsupportedOperationException if this address happens to actually be an OopHandle. Performs a logical "and" operation of the bits of the address and the mask (least significant bits of the Address and the mask are aligned) and returns the result as an Address. Returns null if the result was zero.

andWithMask

back to summary

public Address andWithMask(long mask) throws UnsupportedOperationException

Implements sun.jvm.hotspot.debugger.Address.andWithMask.

Doc from sun.jvm.hotspot.debugger.Address.andWithMask.

This throws an UnsupportedOperationException if this address happens to actually be an OopHandle. Performs a logical "and" operation of the bits of the address and the mask (least significant bits of the Address and the mask are aligned) and returns the result as an Address. Returns null if the result was zero.

asLongValue	back to summary
public long asLongValue() Implements sun.jvm.hotspot.debugger.Address.asLongValue.

check	back to summary
private static void check(boolean arg, String failMessage)

equals	back to summary
public boolean equals(Object arg) Overrides java.lang.Object.equals. Implements sun.jvm.hotspot.debugger.Address.equals. Doc from sun.jvm.hotspot.debugger.Address.equals. This is stated explicitly here because it is important for implementations to understand that equals() and hashCode() must absolutely, positively work properly -- i.e., two Address objects representing the same address are both equal (via equals()) and have the same hash code.

equals

back to summary

public boolean equals(Object arg)

Overrides java.lang.Object.equals.

Implements sun.jvm.hotspot.debugger.Address.equals.

Doc from sun.jvm.hotspot.debugger.Address.equals.

This is stated explicitly here because it is important for implementations to understand that equals() and hashCode() must absolutely, positively work properly -- i.e., two Address objects representing the same address are both equal (via equals()) and have the same hash code.

getAddressAt	back to summary
public Address getAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getAddressAt. Doc from sun.jvm.hotspot.debugger.Address.getAddressAt. This returns null if the address at the given offset is NULL.

getAddressAt

back to summary

public Address getAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException

Implements sun.jvm.hotspot.debugger.Address.getAddressAt.

Doc from sun.jvm.hotspot.debugger.Address.getAddressAt.

This returns null if the address at the given offset is NULL.

getCIntegerAt	back to summary
public long getCIntegerAt(long offset, long numBytes, boolean isUnsigned) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getCIntegerAt.

getCompKlassAddressAt	back to summary
public Address getCompKlassAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getCompKlassAddressAt.

getCompOopAddressAt	back to summary
public Address getCompOopAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getCompOopAddressAt. Doc from sun.jvm.hotspot.debugger.Address.getCompOopAddressAt. Returns the decoded address at the given offset

getCompOopAddressAt

back to summary

public Address getCompOopAddressAt(long offset) throws UnalignedAddressException, UnmappedAddressException

Implements sun.jvm.hotspot.debugger.Address.getCompOopAddressAt.

Doc from sun.jvm.hotspot.debugger.Address.getCompOopAddressAt.

Returns the decoded address at the given offset

getCompOopHandleAt	back to summary
public OopHandle getCompOopHandleAt(long offset) throws UnalignedAddressException, UnmappedAddressException, NotInHeapException Implements sun.jvm.hotspot.debugger.Address.getCompOopHandleAt.

getJBooleanAt	back to summary
public boolean getJBooleanAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getJBooleanAt.

getJByteAt	back to summary
public byte getJByteAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getJByteAt.

getJCharAt	back to summary
public char getJCharAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getJCharAt.

getJDoubleAt	back to summary
public double getJDoubleAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getJDoubleAt.

getJFloatAt	back to summary
public float getJFloatAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getJFloatAt.

getJIntAt	back to summary
public int getJIntAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getJIntAt.

getJLongAt	back to summary
public long getJLongAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getJLongAt.

getJShortAt	back to summary
public short getJShortAt(long offset) throws UnalignedAddressException, UnmappedAddressException Implements sun.jvm.hotspot.debugger.Address.getJShortAt.

getOopHandleAt	back to summary
public OopHandle getOopHandleAt(long offset) throws UnalignedAddressException, UnmappedAddressException, NotInHeapException Implements sun.jvm.hotspot.debugger.Address.getOopHandleAt. Doc from sun.jvm.hotspot.debugger.Address.getOopHandleAt. This returns null if the address at the given offset is NULL.

getOopHandleAt

back to summary

public OopHandle getOopHandleAt(long offset) throws UnalignedAddressException, UnmappedAddressException, NotInHeapException

Implements sun.jvm.hotspot.debugger.Address.getOopHandleAt.

Doc from sun.jvm.hotspot.debugger.Address.getOopHandleAt.

This returns null if the address at the given offset is NULL.

greaterThan	back to summary
public boolean greaterThan(Address a) Implements sun.jvm.hotspot.debugger.Address.greaterThan. Doc from sun.jvm.hotspot.debugger.Address.greaterThan. Performs unsigned comparison "this > arg". (FIXME: should this work for OopHandles?)

greaterThan

back to summary

public boolean greaterThan(Address a)

Implements sun.jvm.hotspot.debugger.Address.greaterThan.

Doc from sun.jvm.hotspot.debugger.Address.greaterThan.

Performs unsigned comparison "this > arg". (FIXME: should this work for OopHandles?)

greaterThanOrEqual	back to summary
public boolean greaterThanOrEqual(Address a) Implements sun.jvm.hotspot.debugger.Address.greaterThanOrEqual. Doc from sun.jvm.hotspot.debugger.Address.greaterThanOrEqual. Performs unsigned comparison "this >= arg". (FIXME: should this work for OopHandles?)

greaterThanOrEqual

back to summary

public boolean greaterThanOrEqual(Address a)

Implements sun.jvm.hotspot.debugger.Address.greaterThanOrEqual.

Doc from sun.jvm.hotspot.debugger.Address.greaterThanOrEqual.

Performs unsigned comparison "this >= arg". (FIXME: should this work for OopHandles?)

hashCode	back to summary
public int hashCode() Overrides java.lang.Object.hashCode. Implements sun.jvm.hotspot.debugger.Address.hashCode. Doc from sun.jvm.hotspot.debugger.Address.hashCode. This is stated explicitly here because it is important for implementations to understand that equals() and hashCode() must absolutely, positively work properly -- i.e., two Address objects representing the same address are both equal (via equals()) and have the same hash code.

hashCode

back to summary

public int hashCode()

Overrides java.lang.Object.hashCode.

Implements sun.jvm.hotspot.debugger.Address.hashCode.

Doc from sun.jvm.hotspot.debugger.Address.hashCode.

lessThan	back to summary
public boolean lessThan(Address a) Implements sun.jvm.hotspot.debugger.Address.lessThan. Doc from sun.jvm.hotspot.debugger.Address.lessThan. Performs unsigned comparison "this < arg". (FIXME: should this work for OopHandles?)

lessThan

back to summary

public boolean lessThan(Address a)

Implements sun.jvm.hotspot.debugger.Address.lessThan.

Doc from sun.jvm.hotspot.debugger.Address.lessThan.

Performs unsigned comparison "this < arg". (FIXME: should this work for OopHandles?)

lessThanOrEqual	back to summary
public boolean lessThanOrEqual(Address a) Implements sun.jvm.hotspot.debugger.Address.lessThanOrEqual. Doc from sun.jvm.hotspot.debugger.Address.lessThanOrEqual. Performs unsigned comparison "this <= arg". (FIXME: should this work for OopHandles?)

lessThanOrEqual

back to summary

public boolean lessThanOrEqual(Address a)

Implements sun.jvm.hotspot.debugger.Address.lessThanOrEqual.

Doc from sun.jvm.hotspot.debugger.Address.lessThanOrEqual.

Performs unsigned comparison "this <= arg". (FIXME: should this work for OopHandles?)

main	back to summary
public static void main(String[] args)

minus	back to summary
public long minus(Address arg) Implements sun.jvm.hotspot.debugger.Address.minus. (FIXME: any signed/unsigned issues? Should this work for OopHandles?)

minus

back to summary

public long minus(Address arg)

Implements sun.jvm.hotspot.debugger.Address.minus.

(FIXME: any signed/unsigned issues? Should this work for OopHandles?)

orWithMask	back to summary
public Address orWithMask(long mask) throws UnsupportedOperationException Implements sun.jvm.hotspot.debugger.Address.orWithMask. Doc from sun.jvm.hotspot.debugger.Address.orWithMask. This throws an UnsupportedOperationException if this address happens to actually be an OopHandle. Performs a logical "or" operation of the bits of the address and the mask (least significant bits of the Address and the mask are aligned) and returns the result as an Address. Returns null if the result was zero.

orWithMask

back to summary

public Address orWithMask(long mask) throws UnsupportedOperationException

Implements sun.jvm.hotspot.debugger.Address.orWithMask.

Doc from sun.jvm.hotspot.debugger.Address.orWithMask.

This throws an UnsupportedOperationException if this address happens to actually be an OopHandle. Performs a logical "or" operation of the bits of the address and the mask (least significant bits of the Address and the mask are aligned) and returns the result as an Address. Returns null if the result was zero.

setAddressAt	back to summary
public void setAddressAt(long offset, Address value) Implements sun.jvm.hotspot.debugger.Address.setAddressAt. Doc from sun.jvm.hotspot.debugger.Address.setAddressAt. Sets an Address at the specified location.

setAddressAt

back to summary

public void setAddressAt(long offset, Address value)

Implements sun.jvm.hotspot.debugger.Address.setAddressAt.

Doc from sun.jvm.hotspot.debugger.Address.setAddressAt.

Sets an Address at the specified location.

setCIntegerAt	back to summary
public void setCIntegerAt(long offset, long numBytes, long value) Implements sun.jvm.hotspot.debugger.Address.setCIntegerAt. Doc from sun.jvm.hotspot.debugger.Address.setCIntegerAt. Sets a C integer numBytes in size at the specified offset. Note that there is no "unsigned" flag for the accessor since the value will not be sign-extended; the number of bytes are simply copied from the value into the target address space.

setCIntegerAt

back to summary

public void setCIntegerAt(long offset, long numBytes, long value)

Implements sun.jvm.hotspot.debugger.Address.setCIntegerAt.

Doc from sun.jvm.hotspot.debugger.Address.setCIntegerAt.

Sets a C integer numBytes in size at the specified offset. Note that there is no "unsigned" flag for the accessor since the value will not be sign-extended; the number of bytes are simply copied from the value into the target address space.

setJBooleanAt	back to summary
public void setJBooleanAt(long offset, boolean value) throws UnmappedAddressException, UnalignedAddressException Implements sun.jvm.hotspot.debugger.Address.setJBooleanAt.

setJByteAt	back to summary
public void setJByteAt(long offset, byte value) throws UnmappedAddressException, UnalignedAddressException Implements sun.jvm.hotspot.debugger.Address.setJByteAt.

setJCharAt	back to summary
public void setJCharAt(long offset, char value) throws UnmappedAddressException, UnalignedAddressException Implements sun.jvm.hotspot.debugger.Address.setJCharAt.

setJDoubleAt	back to summary
public void setJDoubleAt(long offset, double value) throws UnmappedAddressException, UnalignedAddressException Implements sun.jvm.hotspot.debugger.Address.setJDoubleAt.

setJFloatAt	back to summary
public void setJFloatAt(long offset, float value) throws UnmappedAddressException, UnalignedAddressException Implements sun.jvm.hotspot.debugger.Address.setJFloatAt.

setJIntAt	back to summary
public void setJIntAt(long offset, int value) throws UnmappedAddressException, UnalignedAddressException Implements sun.jvm.hotspot.debugger.Address.setJIntAt.

setJLongAt	back to summary
public void setJLongAt(long offset, long value) throws UnmappedAddressException, UnalignedAddressException Implements sun.jvm.hotspot.debugger.Address.setJLongAt.

setJShortAt	back to summary
public void setJShortAt(long offset, short value) throws UnmappedAddressException, UnalignedAddressException Implements sun.jvm.hotspot.debugger.Address.setJShortAt.

setOopHandleAt	back to summary
public void setOopHandleAt(long offset, OopHandle value) throws UnmappedAddressException, UnalignedAddressException Implements sun.jvm.hotspot.debugger.Address.setOopHandleAt.

toString back to summary

toString	back to summary
public String toString() Overrides java.lang.Object.toString. Doc from java.lang.Object.toString. Returns a string representation of the object. Satisfying this method's contract implies a non-`null` result must be returned.

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

xorWithMask	back to summary
public Address xorWithMask(long mask) throws UnsupportedOperationException Implements sun.jvm.hotspot.debugger.Address.xorWithMask. Doc from sun.jvm.hotspot.debugger.Address.xorWithMask. This throws an UnsupportedOperationException if this address happens to actually be an OopHandle. Performs a logical "exclusive or" operation of the bits of the address and the mask (least significant bits of the Address and the mask are aligned) and returns the result as an Address. Returns null if the result was zero.

xorWithMask

back to summary

public Address xorWithMask(long mask) throws UnsupportedOperationException

Implements sun.jvm.hotspot.debugger.Address.xorWithMask.

Doc from sun.jvm.hotspot.debugger.Address.xorWithMask.

This throws an UnsupportedOperationException if this address happens to actually be an OopHandle. Performs a logical "exclusive or" operation of the bits of the address and the mask (least significant bits of the Address and the mask are aligned) and returns the result as an Address. Returns null if the result was zero.

public Class LinuxAddress

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Method Summary

Field Detail

Constructor Detail

Method Detail