java.lang.Object
com.ibm.j9ddr.vm29.view.dtfj.java.DTFJJavaRuntimeMemorySectionBase
- All Implemented Interfaces:
ImageSection,JavaRuntimeMemorySection
- Direct Known Subclasses:
DTFJGenericJavaRuntimeMemorySection,DTFJMemoryTagRuntimeMemorySection
public abstract class DTFJJavaRuntimeMemorySectionBase
extends Object
implements JavaRuntimeMemorySection
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Field Summary
Fields declared in interface com.ibm.dtfj.java.JavaRuntimeMemorySection
ALLOCATION_TYPE_MALLOC_FREED, ALLOCATION_TYPE_MALLOC_LIVE, ALLOCATION_TYPE_MEMORY_MAPPED_FILE, ALLOCATION_TYPE_SHARED_MEMORY, ALLOCATION_TYPE_VIRTUAL_ALLOC -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionGets the base address (the lowest) of memory in this section.protected abstract longGet the OS-specific properties for this section.booleanTests executable permission on memory section.booleanTests read permission on memory section.booleanisShared()Tests shared permission on memory section.Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods declared in interface com.ibm.dtfj.image.ImageSection
getName, getSizeMethods declared in interface com.ibm.dtfj.java.JavaRuntimeMemorySection
getAllocationType, getAllocator, getMemoryCategory
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Constructor Details
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DTFJJavaRuntimeMemorySectionBase
public DTFJJavaRuntimeMemorySectionBase()
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Method Details
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getBaseAddressAsLong
protected abstract long getBaseAddressAsLong() -
getBaseAddress
Description copied from interface:ImageSectionGets the base address (the lowest) of memory in this section.- Specified by:
getBaseAddressin interfaceImageSection- Returns:
- Base address pointer.
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isExecutable
Description copied from interface:ImageSectionTests executable permission on memory section.- Specified by:
isExecutablein interfaceImageSection- Returns:
- true if the memory pages in this section are marked executable. False otherwise.
- Throws:
DataUnavailable
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isReadOnly
Description copied from interface:ImageSectionTests read permission on memory section.- Specified by:
isReadOnlyin interfaceImageSection- Returns:
- true if the memory pages in this section are marked read-only. False otherwise.
- Throws:
DataUnavailable
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getProperties
Description copied from interface:ImageSectionGet the OS-specific properties for this section.- Specified by:
getPropertiesin interfaceImageSection- Returns:
- a table of OS-specific properties for this section.
Values which are commonly available include
- "readable" -- whether the memory section can be read from
- "writable" -- whether the memory section can be written to
- "executable" -- whether data in the memory section can be executed
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