Class VmCheckCommand
java.lang.Object
com.ibm.j9ddr.tools.ddrinteractive.Command
com.ibm.j9ddr.vm29.tools.ddrinteractive.commands.VmCheckCommand
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Nested Class Summary
Nested classes/interfaces declared in class com.ibm.j9ddr.tools.ddrinteractive.Command
Command.CommandDescription
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptioncom.ibm.j9ddr.vm29.pointer.generated.J9MemorySegmentPointer
findSegmentInClassLoaderForAddress
(com.ibm.j9ddr.vm29.pointer.generated.J9ClassLoaderPointer classLoader, com.ibm.j9ddr.vm29.pointer.generated.J9ROMClassPointer romClassPointer) Based on vmchk/checkclasses.c function: findSegmentInClassLoaderForAddress This method searches classloader's segments to find out on which segment this ROMClass lays in.void
run
(String command, String[] args, Context context, PrintStream out) Executes the commandMethods declared in class com.ibm.j9ddr.tools.ddrinteractive.Command
addCommand, addSubCommand, dbgFindPatternInRange, getCommandDescriptions, getCommandNames, printDetailedHelp, recognises
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Constructor Details
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VmCheckCommand
public VmCheckCommand()
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Method Details
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run
public void run(String command, String[] args, Context context, PrintStream out) throws DDRInteractiveCommandException Description copied from interface:ICommand
Executes the command- Parameters:
command
- Command string e.g. !j9xargs
- Arguments for commandcontext
- Context to work inout
- PrintStream to write command output on- Throws:
DDRInteractiveCommandException
- If there is any problem running the command (incorrect usage, CorruptData etc.)
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findSegmentInClassLoaderForAddress
public com.ibm.j9ddr.vm29.pointer.generated.J9MemorySegmentPointer findSegmentInClassLoaderForAddress(com.ibm.j9ddr.vm29.pointer.generated.J9ClassLoaderPointer classLoader, com.ibm.j9ddr.vm29.pointer.generated.J9ROMClassPointer romClassPointer) throws CorruptDataException Based on vmchk/checkclasses.c function: findSegmentInClassLoaderForAddress This method searches classloader's segments to find out on which segment this ROMClass lays in.- Parameters:
classLoader
- Classloader that romclass is being searchedromClassPointer
- ROMClass that is searched in classloader segments- Returns:
- Classloader segment which has this romclass, otherwise null.
- Throws:
CorruptDataException
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