[Vm-dev] VM Maker: Cog-eem.110.mcz

[commits at source.squeak.org]

Eliot Miranda uploaded a new version of Cog to project VM Maker:
http://source.squeak.org/VMMaker/Cog-eem.110.mcz

==================== Summary ====================

Name: Cog-eem.110
Author: eem
Time: 10 October 2013, 12:25:53.97 pm
UUID: 22061f26-fa82-4afd-8e92-6d639151a8e0
Ancestors: Cog-eem.109

Remember to write out the last segment, bozo!

=============== Diff against Cog-eem.109 ===============

Item was changed:
  ----- Method: SpurBootstrap>>writeSnapshotOfTransformedImage (in category 'testing') -----
  writeSnapshotOfTransformedImage
  	"The bootstrapped image typically contains a few big free chunks and one huge free chunk.
  	 Test snapshot writing and loading by turning the largest non-huge chunks into segment bridges
  	 and saving."
+ 	| last heap sizes counts barriers sim |
- 	| heap sizes counts barriers sim |
  	heap := TransformedImage veryDeepCopy.
  	sim := StackInterpreterSimulator onObjectMemory: heap.
  	heap coInterpreter: sim.
  	sim initializeInterpreter: 0;
  		setImageHeaderFlagsFrom: ImageHeaderFlags.
+ 	heap allOldSpaceEntitiesDo: [:e| last := e].
+ 	self assert: (heap isFreeObject: last).
  	sizes := Bag new.
  	heap allObjectsInFreeTree: (heap freeLists at: 0) do:
  		[:f|
  		sizes add: (heap bytesInObject: f)].
  	counts := sizes sortedCounts.
  	self assert: counts last key = 1. "1 huge chunk"
  	self assert: ((counts at: counts size - 1) key > 2
  				and: [(counts at: counts size - 1) value > 1024]).
  	barriers := (1 to: (counts at: counts size - 1) key) collect:
  					[:ign| heap allocateOldSpaceChunkOfExactlyBytes: (counts at: counts size - 1) value].
+ 	heap segmentManager initializeFromFreeChunks:
+ 		(barriers sort collect: [:b| heap objectStartingAt: b]),
+ 		{ last }.
- 	heap segmentManager initializeFromFreeChunks: (barriers sort collect: [:b| heap objectStartingAt: b]).
  	sim imageName: 'spur.image'.
  	sim writeImageFileIO!