Package ghidra.program.database.mem

Class MemoryBlockDB

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int compareTo​(MemoryBlock o)  
      boolean contains​(Address addr)
      Return whether addr is contained in this block.
      protected long getBlockOffset​(Address addr)  
      byte getByte​(long offset)  
      byte getByte​(Address addr)
      Returns the byte at the given address in this block.
      int getBytes​(long offset, byte[] b, int off, int len)  
      int getBytes​(Address addr, byte[] b)
      Tries to get b.length bytes from this block at the given address.
      int getBytes​(Address addr, byte[] b, int off, int len)
      Tries to get len bytes from this block at the given address and put them into the given byte array at the specified offet.
      java.lang.String getComment()
      Get the comment associated with this block.
      java.io.InputStream getData()
      Get memory data in the form of an InputStream.
      Address getEnd()
      Return the end address of this block.
      java.lang.String getName()
      Get the name of this block
      int getPermissions()
      Returns block permissions as a bit mask.
      long getSize()
      Get the number of bytes in this block.
      java.util.List<MemoryBlockSourceInfo> getSourceInfos()
      Returns a list of MemoryBlockSourceInfo objects for this block.
      java.lang.String getSourceName()
      Get the name of the source of this memory block.
      Address getStart()
      Return the starting address for this block.
      MemoryBlockType getType()
      Get the type for this block: TYPE_DEFAULT, TYPE_OVERLAY, TYPE_BIT_MAPPED, or TYPE_BYTE_MAPPED
      void initializeBlock​(byte initialValue)  
      void invalidate()  
      boolean isExecute()
      Returns the value of the execute property associated with this block
      boolean isInitialized()
      Return whether this block has been initialized.
      boolean isLoaded()
      Returns true if this memory block is a real loaded block (i.e.
      boolean isMapped()
      Returns true if this is either a bit-mapped or byte-mapped block
      boolean isRead()
      Returns the value of the read property associated with this block
      boolean isVolatile()
      Returns the value of the volatile property associated with this block.
      boolean isWrite()
      Returns the value of the write property associated with this block
      void putByte​(Address addr, byte b)
      Puts the given byte at the given address in this block.
      int putBytes​(Address addr, byte[] b)
      Tries to put b.length bytes from the specified byte array to this block.
      int putBytes​(Address addr, byte[] b, int off, int len)
      Tries to put len bytes from the specified byte array to this block.
      void setComment​(java.lang.String comment)
      Set the comment associated with this block.
      void setExecute​(boolean x)
      Sets the execute property associated with this block.
      void setName​(java.lang.String name)
      Set the name for this block.
      void setPermissions​(boolean read, boolean write, boolean execute)
      Sets the read, write, execute permissions on this block
      void setRead​(boolean r)
      Sets the read property associated with this block.
      void setSourceName​(java.lang.String sourceName)
      Sets the name of the source file that provided the data.
      void setVolatile​(boolean v)
      Sets the volatile property associated with this block.
      void setWrite​(boolean w)
      Sets the write property associated with this block.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • compareTo

        public int compareTo​(MemoryBlock o)
        Specified by:
        compareTo in interface java.lang.Comparable<MemoryBlock>

      • getPermissions

        public int getPermissions()
        Description copied from interface: MemoryBlock
        Returns block permissions as a bit mask. Permission bits defined as READ, WRITE, EXECUTE and VOLATILE
        Specified by:
        getPermissions in interface MemoryBlock

      • getData

        public java.io.InputStream getData()
        Description copied from interface: MemoryBlock
        Get memory data in the form of an InputStream. Null is returned for thos memory blocks which have no data.
        Specified by:
        getData in interface MemoryBlock

      • contains

        public boolean contains​(Address addr)
        Description copied from interface: MemoryBlock
        Return whether addr is contained in this block.
        Specified by:
        contains in interface MemoryBlock
        Parameters:
        addr - address

      • getStart

        public Address getStart()
        Description copied from interface: MemoryBlock
        Return the starting address for this block.
        Specified by:
        getStart in interface MemoryBlock
        Returns:
        block's start address

      • getEnd

        public Address getEnd()
        Description copied from interface: MemoryBlock
        Return the end address of this block.
        Specified by:
        getEnd in interface MemoryBlock
        Returns:
        end address of the block

      • getSize

        public long getSize()
        Description copied from interface: MemoryBlock
        Get the number of bytes in this block.
        Specified by:
        getSize in interface MemoryBlock
        Returns:
        number of bytes in the block

      • getName

        public java.lang.String getName()
        Description copied from interface: MemoryBlock
        Get the name of this block
        Specified by:
        getName in interface MemoryBlock

      • getComment

        public java.lang.String getComment()
        Description copied from interface: MemoryBlock
        Get the comment associated with this block.
        Specified by:
        getComment in interface MemoryBlock

      • setComment

        public void setComment​(java.lang.String comment)
        Description copied from interface: MemoryBlock
        Set the comment associated with this block.
        Specified by:
        setComment in interface MemoryBlock
        Parameters:
        comment - the comment to associate with this block.

      • isRead

        public boolean isRead()
        Description copied from interface: MemoryBlock
        Returns the value of the read property associated with this block
        Specified by:
        isRead in interface MemoryBlock

      • setRead

        public void setRead​(boolean r)
        Description copied from interface: MemoryBlock
        Sets the read property associated with this block.
        Specified by:
        setRead in interface MemoryBlock
        Parameters:
        r - the value to set the read property to.

      • isWrite

        public boolean isWrite()
        Description copied from interface: MemoryBlock
        Returns the value of the write property associated with this block
        Specified by:
        isWrite in interface MemoryBlock

      • setWrite

        public void setWrite​(boolean w)
        Description copied from interface: MemoryBlock
        Sets the write property associated with this block.
        Specified by:
        setWrite in interface MemoryBlock
        Parameters:
        w - the value to set the write property to.

      • isExecute

        public boolean isExecute()
        Description copied from interface: MemoryBlock
        Returns the value of the execute property associated with this block
        Specified by:
        isExecute in interface MemoryBlock

      • setExecute

        public void setExecute​(boolean x)
        Description copied from interface: MemoryBlock
        Sets the execute property associated with this block.
        Specified by:
        setExecute in interface MemoryBlock
        Parameters:
        x - the value to set the execute property to.

      • setPermissions

        public void setPermissions​(boolean read,
                           boolean write,
                           boolean execute)
        Description copied from interface: MemoryBlock
        Sets the read, write, execute permissions on this block
        Specified by:
        setPermissions in interface MemoryBlock
        Parameters:
        read - the read permission
        write - the write permission
        execute - the execute permission

      • isVolatile

        public boolean isVolatile()
        Description copied from interface: MemoryBlock
        Returns the value of the volatile property associated with this block. This attribute is generally associated with block of I/O regions of memory.
        Specified by:
        isVolatile in interface MemoryBlock

      • setVolatile

        public void setVolatile​(boolean v)
        Description copied from interface: MemoryBlock
        Sets the volatile property associated with this block.
        Specified by:
        setVolatile in interface MemoryBlock
        Parameters:
        v - the value to set the volatile property to.

      • getSourceName

        public java.lang.String getSourceName()
        Description copied from interface: MemoryBlock
        Get the name of the source of this memory block.
        Specified by:
        getSourceName in interface MemoryBlock
        Returns:
        source name

      • setSourceName

        public void setSourceName​(java.lang.String sourceName)
        Description copied from interface: MemoryBlock
        Sets the name of the source file that provided the data.
        Specified by:
        setSourceName in interface MemoryBlock
        Parameters:
        sourceName - the name of the source file.

      • getBytes

        public int getBytes​(Address addr,
                    byte[] b)
             throws MemoryAccessException
        Description copied from interface: MemoryBlock
        Tries to get b.length bytes from this block at the given address. May return fewer bytes if the requested length is beyond the end of the block.
        Specified by:
        getBytes in interface MemoryBlock
        Parameters:
        addr - the address from which to get the bytes.
        b - the byte array to populate.
        Returns:
        the number of bytes actually populated.
        Throws:
        MemoryAccessException - if any of the requested bytes are uninitialized.

      • getBytes

        public int getBytes​(Address addr,
                    byte[] b,
                    int off,
                    int len)
             throws MemoryAccessException
        Description copied from interface: MemoryBlock
        Tries to get len bytes from this block at the given address and put them into the given byte array at the specified offet. May return fewer bytes if the requested length is beyond the end of the block.
        Specified by:
        getBytes in interface MemoryBlock
        Parameters:
        addr - the address from which to get the bytes.
        b - the byte array to populate.
        off - the offset into the byte array.
        len - the number of bytes to get.
        Returns:
        the number of bytes actually populated.
        Throws:
        MemoryAccessException - if any of the requested bytes are uninitialized.

      • putBytes

        public int putBytes​(Address addr,
                    byte[] b)
             throws MemoryAccessException
        Description copied from interface: MemoryBlock
        Tries to put b.length bytes from the specified byte array to this block. All the bytes may not be put if the requested length is beyond the end of the block.
        Specified by:
        putBytes in interface MemoryBlock
        Parameters:
        addr - the address of where to put the bytes.
        b - the byte array containing the bytes to write.
        Returns:
        the number of bytes actually written.
        Throws:
        MemoryAccessException - if the block is uninitialized

      • putBytes

        public int putBytes​(Address addr,
                    byte[] b,
                    int off,
                    int len)
             throws MemoryAccessException
        Description copied from interface: MemoryBlock
        Tries to put len bytes from the specified byte array to this block. All the bytes may not be written if the requested length is beyond the end of the block.
        Specified by:
        putBytes in interface MemoryBlock
        Parameters:
        addr - the address of where to put the bytes.
        b - the byte array containing the bytes to write.
        off - the offset into the byte array.
        len - the number of bytes to write.
        Returns:
        the number of bytes actually written.
        Throws:
        MemoryAccessException - if the block is uninitialized

      • isInitialized

        public boolean isInitialized()
        Description copied from interface: MemoryBlock
        Return whether this block has been initialized.
        Specified by:
        isInitialized in interface MemoryBlock

      • isMapped

        public boolean isMapped()
        Description copied from interface: MemoryBlock
        Returns true if this is either a bit-mapped or byte-mapped block
        Specified by:
        isMapped in interface MemoryBlock

      • isLoaded

        public boolean isLoaded()
        Description copied from interface: MemoryBlock
        Returns true if this memory block is a real loaded block (i.e. RAM) and not a special block containing file header data such as debug sections.
        Specified by:
        isLoaded in interface MemoryBlock
        Returns:
        true if this is a loaded block and not a "special" block such as a file header.

      • getType

        public MemoryBlockType getType()
        Description copied from interface: MemoryBlock
        Get the type for this block: TYPE_DEFAULT, TYPE_OVERLAY, TYPE_BIT_MAPPED, or TYPE_BYTE_MAPPED
        Specified by:
        getType in interface MemoryBlock

      • invalidate

        public void invalidate()

      • initializeBlock

        public void initializeBlock​(byte initialValue)
                     throws java.io.IOException
        Throws:
        java.io.IOException

      • getSourceInfos

        public java.util.List<MemoryBlockSourceInfo> getSourceInfos()
        Description copied from interface: MemoryBlock
        Returns a list of MemoryBlockSourceInfo objects for this block. A block may consist of multiple sequences of bytes from different sources. Each such source of bytes is described by its respective SourceInfo object. Blocks may have multiple sources after two or more memory blocks have been joined together and the underlying byte sources can't be joined.
        Specified by:
        getSourceInfos in interface MemoryBlock
        Returns:
        a list of SourceInfo objects, one for each different source of bytes in this block.