Eliot Miranda uploaded a new version of Cog to project VM Maker: http://source.squeak.org/VMMaker/Cog-eem.228.mcz
==================== Summary ====================
Name: Cog-eem.228 Author: eem Time: 1 December 2014, 6:23:02.981 pm UUID: 38634ea7-6be8-4325-acf8-fd06db4265c5 Ancestors: Cog-eem.227
Spur 32- to 64-bit bootstrap: Remember to install SmallFloat64 in the first class table page at smallFloatTags, replacing the entry for SmallInteger in the 32-bit system (because in 32-bits SmallInteger can have tag 1 or tag 3).
=============== Diff against Cog-eem.227 ===============
Item was changed: ----- Method: Spur32to64BitBootstrap>>alterSystem (in category 'bootstrap image') ----- alterSystem + self installSmallFloatInClassTable. self nilWordSize!
Item was added: + ----- Method: Spur32to64BitBootstrap>>installSmallFloatInClassTable (in category 'bootstrap image') ----- + installSmallFloatInClassTable + | firstPage | + firstPage := heap64 fetchPointer: 0 ofObject: heap64 classTableRootObj. + heap64 + storePointer: heap64 smallFloatTag + ofObject: firstPage + withValue: self smallFloatClass!
Item was added: + ----- Method: Spur32to64BitBootstrap>>smallFloatClass (in category 'bootstrap image') ----- + smallFloatClass + | sf64sym | + sf64sym := self findSymbol: #SmallFloat64. + heap64 allObjectsDo: + [:o| + ((heap64 isPointersNonImm: o) + and: [(heap64 numSlotsOf: o) > interpreter32 classNameIndex + and: [(interpreter64 addressCouldBeClassObj: o) + and: [(heap64 fetchPointer: interpreter32 classNameIndex ofObject: o) = sf64sym]]]) ifTrue: + [^o]]. + ^nil!
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