Module openj9.dtfj
Package com.ibm.j9ddr.corereaders.memory

Interface IMemoryRange

All Superinterfaces:
Comparable<IMemoryRange>
All Known Subinterfaces:
IDetailedMemoryRange, IMemorySource, INamedMemoryRange
All Known Implementing Classes:
BaseMemoryRange, BufferedMemorySource, DetailedDumpMemorySource, DumpMemorySource, ELFMemorySource, MemoryRange, ProtectedMemoryRange, UnbackedMemorySource
public interface IMemoryRange extends Comparable<IMemoryRange>
An optionally named range of memory with permissions.

  • Method Details

    • getAddressSpaceId

      int getAddressSpaceId()
      Returns:
      Address space ID that this range belongs to.

    • getBaseAddress

      long getBaseAddress()
      Returns:
      Base address of this memory range

    • getTopAddress

      long getTopAddress()
      Returns:
      Largest address in this memory range

    • getSize

      long getSize()
      Returns:
      Size of this memory range, bytes

    • isShared

      boolean isShared()

    • isExecutable

      boolean isExecutable()

    • isReadOnly

      boolean isReadOnly()

    • isBacked

      boolean isBacked()

    • contains

      boolean contains(long address)
      Checks whether an address is present in this memory range
      Parameters:
      address - Address to test
      Returns:
      True if the memory range contains address, false otherwise.

    • overlaps

      boolean overlaps(IMemoryRange other)
      Parameters:
      other -
      Returns:
      True if other shares any addresses with this range.

    • isSubRange

      boolean isSubRange(IMemoryRange other)
      Parameters:
      other -
      Returns:
      True if other models a memory range that sits entirely within this range

    • getName

      String getName()
      Returns:
      Name of this range (e.g. .text or stack), or null if range is unnamed.