GDBThread.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Tue, 23 Sep 2014 23:48:13 +0100
changeset 45 deb908479a37
parent 43 22236b6d1d9a
child 51 2fa20404923c
permissions -rw-r--r--
Code refactored to use Magritte to meta-describe GDB objects. This should give greate flexibility without reinventing the wheel.
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"{ Package: 'jv:libgdbs' }"
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GDBDebuggerObject subclass:#GDBThread
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	instanceVariableNames:'id group status stack'
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	classVariableNames:''
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	poolDictionaries:''
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	category:'GDB-Core'
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!
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!GDBThread class methodsFor:'instance creation'!
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newWithDebugger: debugger id: id group: group
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    ^ self new
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        setDebugger: debugger;
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        setId: id;
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        setGroup: group;
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        yourself.
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    "Created: / 07-09-2014 / 21:33:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!GDBThread class methodsFor:'accessing - GDB value descriptors'!
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description
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    ^ (super description)
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        define:#id as:Integer;
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        yourself
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    "Created: / 06-09-2014 / 02:21:07 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!GDBThread methodsFor:'accessing'!
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group
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    ^ group
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!
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id
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    ^ id
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    "Created: / 07-09-2014 / 22:41:29 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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stack
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    self ensureIsStopped.
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    stack isNil ifTrue:[
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        stack := GDBTransientDataHolder debugger: debugger factory:[ 
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            | result depth frames |
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            result := debugger send: (GDBMI_stack_info_depth new arguments: { '--thread' . id . 100 }).
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            depth := result propertyAt: #depth.
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            result := debugger send: (GDBMI_stack_list_frames new arguments: { '--thread' . id . 0 . depth - 1 }).
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            frames := result propertyAt: #stack.
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            frames do:[:each | each propertyAt: #thread put: self ].
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            frames
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        ].
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    ].
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    ^ stack value
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    "Created: / 09-09-2014 / 00:02:45 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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    "Modified: / 22-09-2014 / 00:19:39 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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status
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    ^ status
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! !
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!GDBThread methodsFor:'initialization'!
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setGroup: aGDBThreadGroup
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    self assert: group isNil.
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    group := aGDBThreadGroup.
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    "Created: / 07-09-2014 / 21:32:07 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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setId: tid
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    self assert: id isNil.
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    id := tid.
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    status := GDBThreadStatusRunning theOneAndOnlyInstance
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    "Created: / 07-09-2014 / 21:31:30 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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    "Modified: / 07-09-2014 / 23:27:56 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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setStatus: aGDBThreadStatus
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    status := aGDBThreadStatus.
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    status isStopped ifFalse:[
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        stack := nil.
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    ].
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    "Created: / 07-09-2014 / 23:25:52 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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    "Modified: / 09-09-2014 / 00:04:54 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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setTerminated
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    status := GDBThreadStatusTerminated theOneAndOnlyInstance
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    "Created: / 07-09-2014 / 21:37:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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    "Modified: / 07-09-2014 / 23:21:05 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!GDBThread methodsFor:'printing & storing'!
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printOn:aStream
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    "append a printed representation if the receiver to the argument, aStream"
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    aStream nextPutAll:'thread  '.
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    id printOn:aStream.
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"/    aStream nextPutAll:'in group '.
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"/    group id printOn:aStream.
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    aStream nextPutAll:' ['.
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    status printOn:aStream.
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    aStream nextPutAll:']'.
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    "Modified: / 22-09-2014 / 00:59:12 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!GDBThread methodsFor:'private'!
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ensureIsStopped
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    self isStopped ifFalse:[
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        (GDBInvalidObject newException)
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            parameter:self;
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            messageText:'Invalid state (thread is running or already dead)';
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            raise.
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    ].
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    "Created: / 09-09-2014 / 00:04:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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0ce76b671515 Some more support for stack frames.
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    "Modified: / 16-09-2014 / 23:51:09 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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2b9d2f75906f Some work on execution stack model
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! !
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37
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!GDBThread methodsFor:'testing'!
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22236b6d1d9a Remove threads from thread group when threadgroup terminates.
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isDead
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    ^ status isTerminated
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22236b6d1d9a Remove threads from thread group when threadgroup terminates.
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    "Created: / 22-09-2014 / 00:54:14 / Jan Vrany <jan.vrany@fit.cvut.cz>"
22236b6d1d9a Remove threads from thread group when threadgroup terminates.
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!
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37
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isRunning
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    ^ status isRunning
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    "Created: / 07-09-2014 / 23:23:24 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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isStopped
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    ^ status isStopped
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    "Created: / 07-09-2014 / 23:23:36 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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isTerminated
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    ^ status isTerminated
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    "Created: / 07-09-2014 / 23:23:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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   158