Vm-dev August 2021

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161 discussions

[OpenSmalltalk/opensmalltalk-vm] windows: resync the VM time when the system clock gets changed (#588)
by Christoph Thiede 08 Sep '21

08 Sep '21

As of today, if the Windows system time is changed, already running VM instances will not reflect this change. With this patch, this bug is fixed. The full bug report is on squeak-dev: http://lists.squeakfoundation.org/pipermail/squeak-dev/2021-June/215908.html This bug only affects builds for Windows versions prior to Windows 8, never builds do not use the tick variables any longer. See: https://github.com/OpenSmalltalk/opensmalltalk-vm/blob/57260c215c025e17b57e… (However, as #499 is still unmerged, currently, also builds for Windows 10 are affected by the bug. Looks like we were never benefitting from @eliotmiranda's improvements for the Win8 APIs (cf. fae0d31cd52341977d37d150d8d2c9272f9864bf) until today 😆) Independently of this patch, we will want to fix cross-platform-occurring VM hangs when the system clock is pulled backward. See the bug report on squeak-dev for this, again. Please review thoroughly! /cc @marceltaeumel You can view, comment on, or merge this pull request online at: https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/588 -- Commit Summary -- * windows: resync the VM time when the system clock gets changed -- File Changes -- M platforms/win32/vm/sqWin32Heartbeat.c (7) M platforms/win32/vm/sqWin32Window.c (4) -- Patch Links -- https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/588.patch https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/588.diff -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/588

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Fedora 34 squeak - plugin SSL
by stes＠PANDORA.BE 03 Sep '21

03 Sep '21

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 I compiled squeak 4.19.9 classic VM and opensmalltalk cog VM on Fedora 34. The good news is that they both seem to work; I compiled with gcc for OpenSmalltalk : dnf groupinstall development-tools dnf groupinstall "X Software Development" dnf install mesa-libGL-devel and for classic VM: dnf install cmake dnf install gcc-c++ My Fedora 34 setup seems to have the following OpenSSL libraries: openssl-libs-1.1.1k-1.fc34.x86_64 The SSL plugin appears to have issues with that because the TestRunner fails: 13 run in 0:00:00:00.536, 1 passes, 0 expected failures, 1 failures, 11 errors, 0 unexpected passes SqueakSSLTest (13 tests, 536 ms) SqueakSSLTest>>#testConnectAccept SqueakSSLTest>>#testEncryptDecrypt SqueakSSLTest>>#testMultiFrameDecrypt SqueakSSLTest>>#testSSLSockets SqueakSSLTest>>#testSingleByteDecrypt SqueakSSLTest>>#testSocketAccept SqueakSSLTest>>#testSocketConnect SqueakSSLTest>>#testSplitTlsFrameRead SqueakSSLTest>>#testStreamAccept SqueakSSLTest>>#testStreamConnect SqueakSSLTest>>#testStreamTransfer SqueakSSLTest>>#testGooglePopStream In the UNIX terminal window the following errors are printed: 140079738917440:error:140AB18F:SSL routines:SSL_CTX_use_certificate:ee key too small:ssl/ssl_rsa.c:301: 140079738917440:error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher:ssl/statem/statem_srvr.c:2283: 140079738917440:error:140AB18F:SSL routines:SSL_CTX_use_certificate:ee key too small:ssl/ssl_rsa.c:301: 140079738917440:error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher:ssl/statem/statem_srvr.c:2283: 140079738917440:error:140AB18F:SSL routines:SSL_CTX_use_certificate:ee key too small:ssl/ssl_rsa.c:301: 140079738917440:error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher:ssl/statem/statem_srvr.c:2283: 140079738917440:error:140AB18F:SSL routines:SSL_CTX_use_certificate:ee key too small:ssl/ssl_rsa.c:301: 140079738917440:error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher:ssl/statem/statem_srvr.c:2283: 140079738917440:error:140AB18F:SSL routines:SSL_CTX_use_certificate:ee key too small:ssl/ssl_rsa.c:301: 140079738917440:error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher:ssl/statem/statem_srvr.c:2283: 140079738917440:error:140AB18F:SSL routines:SSL_CTX_use_certificate:ee key too small:ssl/ssl_rsa.c:301: 140079738917440:error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher:ssl/statem/statem_srvr.c:2283: 140079738917440:error:140AB18F:SSL routines:SSL_CTX_use_certificate:ee key too small:ssl/ssl_rsa.c:301: 140079738917440:error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher:ssl/statem/statem_srvr.c:2283: 140079738917440:error:140AB18F:SSL routines:SSL_CTX_use_certificate:ee key too small:ssl/ssl_rsa.c:301: 140079738917440:error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher:ssl/statem/statem_srvr.c:2283: Is anyone using the SSL plugin (either OpenSmalltalk or Classic VM) on OpenSSL 1.1.1k ? Thanks, David Stes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJhK4l8AAoJENdFDkXGicizHRsH/1+UZj6zv8hh6DQghy9CF6oc LZu1eiKKY4cXGO0URhQviOTZTxymw0OCe9CDTbxCNCz7FISYRxPGGV5y0+rOCnWx dFOSGvA3I0OQg78b5lyI1i5iOU5FusbFMfU+58qWnUlX9whQRtAqCGw0W16IiT7V oGE3FEVsfMRsa4yKK1HTFi67M9R5Cg/acaxvC8KCIjg5LgSUwTCp0GM3dQMTQRj9 CPDPTSH5kE5tK2wCGH/QzaTgJd/GKFWMBZKt5MdZCTQJGC2tQtrqceCJD53Mlm3/ JgZlVbgfISHrg4+r+dh3LMUIVcRG/xBOU6TlkvlMgQUp4xh6/AUKRrSAdbxOdUU= =O9sD -----END PGP SIGNATURE-----

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[OpenSmalltalk/opensmalltalk-vm] 6f2853: CogVM source as per VMMaker.oscog-eem.3050
by Eliot Miranda 01 Sep '21

01 Sep '21

Branch: refs/heads/Cog Home: https://github.com/OpenSmalltalk/opensmalltalk-vm Commit: 6f28534793512f33f04e9a7b483322d3f7657fa3 https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/6f28534793512f33f0… Author: Eliot Miranda <eliot.miranda(a)gmail.com> Date: 2021-08-31 (Tue, 31 Aug 2021) Changed paths: M src/spur32.cog/cogit.h M src/spur32.cog/cogitARMv5.c M src/spur32.cog/cogitIA32.c M src/spur32.cog/cointerp.c M src/spur32.cog/cointerp.h M src/spur32.cog/gcc3x-cointerp.c M src/spur32.sista/cogit.h M src/spur32.sista/cogitARMv5.c M src/spur32.sista/cogitIA32.c M src/spur32.sista/cointerp.c M src/spur32.sista/cointerp.h M src/spur32.sista/gcc3x-cointerp.c M src/spur64.cog/cogit.h M src/spur64.cog/cogitARMv8.c M src/spur64.cog/cogitX64SysV.c M src/spur64.cog/cogitX64WIN64.c M src/spur64.cog/cointerp.c M src/spur64.cog/cointerp.h M src/spur64.cog/gcc3x-cointerp.c M src/spur64.sista/cogit.h M src/spur64.sista/cogitARMv8.c M src/spur64.sista/cogitX64SysV.c M src/spur64.sista/cogitX64WIN64.c M src/spur64.sista/cointerp.c M src/spur64.sista/cointerp.h M src/spur64.sista/gcc3x-cointerp.c M src/v3.cog/cogit.h M src/v3.cog/cogitARMv5.c M src/v3.cog/cogitIA32.c Log Message: ----------- CogVM source as per VMMaker.oscog-eem.3050 Cogit: avoid using the Context store check for the Spur extended push/pop/store receiver var bytecodes by extending receiverTags with a bit for "maybe Context class". This is good for a 35% speedup in ReadStream>>#next et al, e.g. | string stream | string := (SourceFiles at: 2) contentsOfEntireFile. string := string first: (string size roundDownTo: 10000). stream := ReadStream on: string. [[stream next isNil] whileFalse] timeToRun

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VM Maker: VMMaker.oscog-eem.3050.mcz
by commits＠source.squeak.org 01 Sep '21

01 Sep '21

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.3050.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.3050 Author: eem Time: 31 August 2021, 4:19:17.748712 pm UUID: 735b9bfc-cf40-4a45-b98e-7f9a2b979b5e Ancestors: VMMaker.oscog-mt.3049 Cogit: avoid using the Context store check for the Spur extended push/spop/store receiver var bytecodes by extending receiverTags with a bit for "maybe Context class". This is good for a 35% speedup in ReadStream>>#next et al, e.g. | string stream | string := (SourceFiles at: 2) contentsOfEntireFile. string := string first: (string size roundDownTo: 10000). stream := ReadStream on: string. [[stream next isNil] whileFalse] timeToRun =============== Diff against VMMaker.oscog-mt.3049 =============== Item was added: + ----- Method: CogObjectRepresentationForSpur>>storeTrampolines (in category 'accessing') ----- + storeTrampolines + <doNotGenerate> + ^ceStoreTrampolines! Item was changed: ----- Method: Cogit>>cog:selector: (in category 'jit - api') ----- cog: aMethodObj selector: aSelectorOop "Attempt to produce a machine code method for the bytecode method object aMethodObj. N.B. If there is no code memory available do *NOT* attempt to reclaim the method zone. Certain clients (e.g. ceSICMiss:) depend on the zone remaining constant across method generation." <api> <returnTypeC: #'CogMethod *'> | selector cogMethod | <var: #cogMethod type: #'CogMethod *'> (self exclude: aMethodObj selector: aSelectorOop) ifTrue: [^nil]. "In Newspeak we support anonymous accessors and hence tolerate the same method being cogged multiple times. But only if the method class association is nil." NewspeakVM ifTrue: [(coInterpreter methodHasCogMethod: aMethodObj) ifTrue: [cogMethod := coInterpreter cogMethodOf: aMethodObj. self deny: cogMethod selector = aSelectorOop. cogMethod selector = aSelectorOop ifTrue: [^cogMethod]. (coInterpreter methodClassAssociationOf: aMethodObj) ~= objectMemory nilObject ifTrue: [self cCode: 'extern void *firstIndexableField(sqInt)'. "Slang, au natural" self warnMultiple: cogMethod selectors: aSelectorOop. ^nil]]] ifFalse: [self deny: (coInterpreter methodHasCogMethod: aMethodObj)]. self deny: (objectMemory isOopCompiledMethod: (coInterpreter ultimateLiteralOf: aMethodObj)). selector := aSelectorOop = objectMemory nilObject ifTrue: [coInterpreter maybeSelectorOfMethod: aMethodObj] ifFalse: [aSelectorOop]. "coInterpreter stringOf: selector" selector ifNotNil: [coInterpreter compilationBreakpoint: selector isMNUCase: false]. aMethodObj = breakMethod ifTrue: [self halt: 'Compilation of breakMethod']. NewspeakVM ifTrue: [cogMethod := methodZone findPreviouslyCompiledVersionOf: aMethodObj with: aSelectorOop. cogMethod ifNotNil: [(coInterpreter methodHasCogMethod: aMethodObj) not ifTrue: [self assert: (coInterpreter rawHeaderOf: aMethodObj) = cogMethod methodHeader. cogMethod methodObject: aMethodObj. coInterpreter rawHeaderOf: aMethodObj put: cogMethod asInteger]. ^cogMethod]]. "If the generators for the alternate bytecode set are missing then interpret." (coInterpreter methodUsesAlternateBytecodeSet: aMethodObj) ifTrue: [(self numElementsIn: generatorTable) <= 256 ifTrue: [^nil]. bytecodeSetOffset := 256] ifFalse: [bytecodeSetOffset := 0]. objectRepresentation ensureNoForwardedLiteralsIn: aMethodObj. methodObj := aMethodObj. methodHeader := objectMemory methodHeaderOf: aMethodObj. + receiverTags := -1. "lazy initialization" - receiverTags := objectMemory receiverTagBitsForMethod: methodObj. cogMethod := self compileCogMethod: aSelectorOop. (cogMethod asInteger between: MaxNegativeErrorCode and: -1) ifTrue: [cogMethod asInteger = InsufficientCodeSpace ifTrue: [coInterpreter callForCogCompiledCodeCompaction]. self maybeFreeCounters. "Right now no errors should be reported, so nothing more to do." "self reportError: (self cCoerceSimple: cogMethod to: #sqInt)." ^nil]. "self cCode: '' inSmalltalk: [coInterpreter printCogMethod: cogMethod. ""coInterpreter symbolicMethod: aMethodObj."" self assertValidMethodMap: cogMethod." "self disassembleMethod: cogMethod." "printInstructions := clickConfirm := true""]." ^cogMethod! Item was changed: ----- Method: Cogit>>cogFullBlockMethod:numCopied: (in category 'jit - api') ----- cogFullBlockMethod: aMethodObj numCopied: numCopied "Attempt to produce a machine code method for the bytecode method object aMethodObj. N.B. If there is no code memory available do *NOT* attempt to reclaim the method zone. Certain clients (e.g. ceSICMiss:) depend on the zone remaining constant across method generation." <api> <option: #SistaV1BytecodeSet> <returnTypeC: #'CogMethod *'> | cogMethod | <var: #cogMethod type: #'CogMethod *'> (self exclude: aMethodObj) ifTrue: [^nil]. self deny: (coInterpreter methodHasCogMethod: aMethodObj). self assert: (objectMemory isOopCompiledMethod: (coInterpreter ultimateLiteralOf: aMethodObj)). aMethodObj = breakMethod ifTrue: [self halt: 'Compilation of breakMethod']. "If the generators for the alternate bytecode set are missing then interpret." (coInterpreter methodUsesAlternateBytecodeSet: aMethodObj) ifTrue: [(self numElementsIn: generatorTable) <= 256 ifTrue: [^nil]. bytecodeSetOffset := 256] ifFalse: [bytecodeSetOffset := 0]. objectRepresentation ensureNoForwardedLiteralsIn: aMethodObj. methodObj := aMethodObj. methodHeader := objectMemory methodHeaderOf: aMethodObj. + receiverTags := -1. "lazy initialization" - receiverTags := objectMemory receiverTagBitsForMethod: methodObj. cogMethod := self compileCogFullBlockMethod: numCopied. (cogMethod asInteger between: MaxNegativeErrorCode and: -1) ifTrue: [cogMethod asInteger = InsufficientCodeSpace ifTrue: [coInterpreter callForCogCompiledCodeCompaction]. self maybeFreeCounters. "Right now no errors should be reported, so nothing more to do." "self reportError: (self cCoerceSimple: cogMethod to: #sqInt)." ^nil]. "self cCode: '' inSmalltalk: [coInterpreter printCogMethod: cogMethod. ""coInterpreter symbolicMethod: aMethodObj."" self assertValidMethodMap: cogMethod." "self disassembleMethod: cogMethod." "printInstructions := clickConfirm := true""]." ^cogMethod! Item was added: + ----- Method: Cogit>>mclassCouldBeContext (in category 'initialization') ----- + mclassCouldBeContext + receiverTags < 0 ifTrue: + [receiverTags := objectMemory receiverTagBitsForMethod: methodObj]. + ^receiverTags anyMask: (1 bitShift: objectMemory numTagBits)! Item was changed: ----- Method: Cogit>>mclassIsSmallInteger (in category 'initialization') ----- mclassIsSmallInteger + receiverTags < 0 ifTrue: + [receiverTags := objectMemory receiverTagBitsForMethod: methodObj]. ^objectMemory isIntegerObject: receiverTags! Item was added: + ----- Method: CurrentImageCoInterpreterFacade>>ifTestProfilingAdvanceNextProfileTick (in category 'accessing') ----- + ifTestProfilingAdvanceNextProfileTick + ^self! Item was changed: ----- Method: CurrentImageCoInterpreterFacadeForSpurObjectRepresentation>>receiverTagBitsForMethod: (in category 'accessing') ----- receiverTagBitsForMethod: methodOop + | mclass | + ^(mclass := (self objectForOop: methodOop) methodClass) - ^(self objectForOop: methodOop) methodClass caseOf: { + [SmallInteger] -> [objectMemory smallIntegerTag]. + [Character] -> [objectMemory characterTag]. + [SmallFloat64] -> [objectMemory smallFloatTag]. + [Context] -> [1 bitShift: objectMemory numTagBits] } + otherwise: + [(Context includesBehavior: mclass) + ifTrue: [1 bitShift: objectMemory numTagBits] + ifFalse: [0]]! - [SmallInteger] -> [objectMemory smallIntegerTag]. - [Character] -> [objectMemory characterTag]. - [SmallFloat64] -> [objectMemory smallFloatTag] } - otherwise: [0]! Item was changed: ----- Method: CurrentImageCoInterpreterFacadeForSqueakV3ObjectRepresentation>>receiverTagBitsForMethod: (in category 'accessing') ----- receiverTagBitsForMethod: methodOop + ^(self objectForOop: methodOop) methodClass = SmallInteger - ^(self objectForOop: methodOop) methodClass =SmallInteger ifTrue: [1] ifFalse: [0]! Item was changed: ----- Method: SimpleStackBasedCogit>>genExtPushReceiverVariableBytecode (in category 'bytecode generators') ----- genExtPushReceiverVariableBytecode "226 11100010 i i i i i i i i Push Receiver Variable #iiiiiiii (+ Extend A * 256)" | index | index := byte1 + (extA << 8). extA := 0. + ^(self mclassCouldBeContext + and: [coInterpreter isReadMediatedContextInstVarIndex: index]) - ^(coInterpreter isReadMediatedContextInstVarIndex: index) ifTrue: [self genPushMaybeContextReceiverVariable: index] ifFalse: [self genPushReceiverVariable: index]! Item was changed: ----- Method: SimpleStackBasedCogit>>genExtStoreAndPopReceiverVariableBytecode (in category 'bytecode generators') ----- genExtStoreAndPopReceiverVariableBytecode "235 11101011 i i i i i i i i Pop and Store Receiver Variable #iiiiiii (+ Extend A * 256)" | index | index := byte1 + (extA << 8). extA := 0. + ^(self mclassCouldBeContext + and: [coInterpreter isWriteMediatedContextInstVarIndex: index]) - ^(coInterpreter isWriteMediatedContextInstVarIndex: index) ifTrue: [self genStorePop: true MaybeContextReceiverVariable: index] ifFalse: [self genStorePop: true ReceiverVariable: index]! Item was changed: ----- Method: SimpleStackBasedCogit>>genExtStoreReceiverVariableBytecode (in category 'bytecode generators') ----- genExtStoreReceiverVariableBytecode "232 11101000 i i i i i i i i Store Receiver Variable #iiiiiii (+ Extend A * 256)" | index | index := byte1 + (extA << 8). extA := 0. + ^(self mclassCouldBeContext + and: [coInterpreter isWriteMediatedContextInstVarIndex: index]) - ^(coInterpreter isWriteMediatedContextInstVarIndex: index) ifTrue: [self genStorePop: false MaybeContextReceiverVariable: index] ifFalse: [self genStorePop: false ReceiverVariable: index]! Item was changed: ----- Method: SimpleStackBasedCogit>>genSistaExtStoreAndPopReceiverVariableBytecodePopBoolean: (in category 'bytecode generators') ----- genSistaExtStoreAndPopReceiverVariableBytecodePopBoolean: boolean | index | extB := 0. "Simple cogit don't use the extra flags" numExtB := 0. index := byte1 + (extA << 8). extA := 0. + ^(self mclassCouldBeContext + and: [coInterpreter isWriteMediatedContextInstVarIndex: index]) - ^(coInterpreter isWriteMediatedContextInstVarIndex: index) ifTrue: [self genStorePop: boolean MaybeContextReceiverVariable: index ] ifFalse: [self genStorePop: boolean ReceiverVariable: index ]! Item was added: + ----- Method: Spur32BitCoMemoryManager>>receiverTagBitsForImmediateMethodClass: (in category 'cog jit support') ----- + receiverTagBitsForImmediateMethodClass: methodClassOrNil + <inline: #always> + ^methodClassOrNil = (self fetchPointer: self smallIntegerTag ofObject: classTableFirstPage) + ifTrue: [self smallIntegerTag] + ifFalse: [self assert: methodClassOrNil = (self fetchPointer: self characterTag ofObject: classTableFirstPage). + self characterTag]! Item was removed: - ----- Method: Spur32BitCoMemoryManager>>receiverTagBitsForMethod: (in category 'cog jit support') ----- - receiverTagBitsForMethod: aMethodObj - "Answer the tag bits for the receiver based on the method's methodClass, if any." - <api> - | methodClassOrNil | - methodClassOrNil := coInterpreter methodClassOf: aMethodObj. - NewspeakVM "Mixins don't necessarily have a format inst var; filter out non-integer format." - ifTrue: - [| instSpec | - (methodClassOrNil = nilObj - or: [(self isNonIntegerObject: (instSpec := self fetchPointer: InstanceSpecificationIndex ofObject: methodClassOrNil)) - or: [(self instSpecOfClassFormat: (self integerValueOf: instSpec)) ~= self forwardedFormat]]) ifTrue: - [^0]] - ifFalse: - [(methodClassOrNil = nilObj - or: [(self instSpecOfClass: methodClassOrNil) ~= self forwardedFormat]) ifTrue: - [^0]]. - ^methodClassOrNil = (self fetchPointer: self smallIntegerTag ofObject: classTableFirstPage) - ifTrue: [self smallIntegerTag] - ifFalse: [self assert: methodClassOrNil = (self fetchPointer: self characterTag ofObject: classTableFirstPage). - self characterTag]! Item was added: + ----- Method: Spur64BitCoMemoryManager>>receiverTagBitsForImmediateMethodClass: (in category 'cog jit support') ----- + receiverTagBitsForImmediateMethodClass: methodClassOrNil + <inline: #always> + methodClassOrNil = (self fetchPointer: self smallIntegerTag ofObject: classTableFirstPage) ifTrue: + [^self smallIntegerTag]. + methodClassOrNil = (self fetchPointer: self characterTag ofObject: classTableFirstPage) ifTrue: + [^self characterTag]. + self assert: methodClassOrNil = (self fetchPointer: self smallFloatTag ofObject: classTableFirstPage). + ^self smallFloatTag! Item was removed: - ----- Method: Spur64BitCoMemoryManager>>receiverTagBitsForMethod: (in category 'cog jit support') ----- - receiverTagBitsForMethod: aMethodObj - "Answer the tag bits for the receiver based on the method's methodClass, if any." - <api> - | methodClassOrNil | - methodClassOrNil := coInterpreter methodClassOf: aMethodObj. - NewspeakVM "Mixins don't necessarily have a format inst var; filter out non-integer format." - ifTrue: - [| instSpec | - (methodClassOrNil = nilObj - or: [(self isNonIntegerObject: (instSpec := self fetchPointer: InstanceSpecificationIndex ofObject: methodClassOrNil)) - or: [(self instSpecOfClassFormat: (self integerValueOf: instSpec)) ~= self forwardedFormat]]) ifTrue: - [^0]] - ifFalse: - [(methodClassOrNil = nilObj - or: [(self instSpecOfClass: methodClassOrNil) ~= self forwardedFormat]) ifTrue: - [^0]]. - methodClassOrNil = (self fetchPointer: self smallIntegerTag ofObject: classTableFirstPage) ifTrue: - [^self smallIntegerTag]. - methodClassOrNil = (self fetchPointer: self characterTag ofObject: classTableFirstPage) ifTrue: - [^self characterTag]. - self assert: methodClassOrNil = (self fetchPointer: self smallFloatTag ofObject: classTableFirstPage). - ^self smallFloatTag! Item was added: + ----- Method: SpurMemoryManager>>maybeContextMClassTagBits (in category 'cog jit support') ----- + maybeContextMClassTagBits + <inline: #always> + ^1 bitShift: self numTagBits! Item was added: + ----- Method: SpurMemoryManager>>receiverTagBitsForMethod: (in category 'cog jit support') ----- + receiverTagBitsForMethod: aMethodObj + "Answer the tag bits for the receiver based on the method's methodClass, if any. + These bits are extended with a bit that says that the method may have a Context receiver, i.e. + mclass is Context or its superclasses. The absence of this bit is used to avoid expensive store checks, etc." + <api> + | methodClassOrNil classContextOrSuperclass | + methodClassOrNil := coInterpreter methodClassOf: aMethodObj. + methodClassOrNil = nilObj ifTrue: "If we don't know the methodClass be pessimal" + [^self maybeContextMClassTagBits]. + NewspeakVM "Mixins don't necessarily have a format inst var; filter out non-integer format." + ifTrue: + [| instSpec | + ((self isIntegerObject: (instSpec := self fetchPointer: InstanceSpecificationIndex ofObject: methodClassOrNil)) + and: [(self instSpecOfClassFormat: (self integerValueOf: instSpec)) = self forwardedFormat]) ifTrue: + [^self receiverTagBitsForImmediateMethodClass: methodClassOrNil]] + ifFalse: + [(self instSpecOfClass: methodClassOrNil) = self forwardedFormat ifTrue: + [^self receiverTagBitsForImmediateMethodClass: methodClassOrNil]]. + "Now check if mclass is one of Context's superclasses..." + classContextOrSuperclass := self knownClassAtIndex: ClassMethodContextCompactIndex. + [classContextOrSuperclass = methodClassOrNil ifTrue: + [^self maybeContextMClassTagBits]. + classContextOrSuperclass := self fetchPointer: SuperclassIndex ofObject: classContextOrSuperclass. + classContextOrSuperclass ~= nilObj] + whileTrue. + ^0!

1 0

VM Maker: Cog-eem.440.mcz
by commits＠source.squeak.org 01 Sep '21

01 Sep '21

Eliot Miranda uploaded a new version of Cog to project VM Maker: http://source.squeak.org/VMMaker/Cog-eem.440.mcz ==================== Summary ==================== Name: Cog-eem.440 Author: eem Time: 31 August 2021, 4:07:39.96008 pm UUID: 2ff9d1ed-5be6-46a7-a1f9-f0bfb9bf51ab Ancestors: Cog-eem.439 Fix simulation for x86. Commit an unfinished script for refactoring marking in the spur collector for a potential attempt at implementing incremental global collection. =============== Diff against Cog-eem.439 =============== Item was added: + ----- Method: BochsIA32Alien>>cResultRegisterHigh (in category 'accessing-abstract') ----- + cResultRegisterHigh + ^self edx! Item was added: + ----- Method: CogScripts class>>changedMethodsForExtractingSpurMarkSweepCollector (in category 'separate vm scripts') ----- + changedMethodsForExtractingSpurMarkSweepCollector + "Answer the methods in SpurMemoryManager and subclasses that change if scan mark collector methods are extracted to a separate instance in scanMarkCollector" + "CogScripts changedMethodsForExtractingSpurMarkSweepCollector" + "FileDirectory default + newFileNamed: 'SpurScanMarkCollector.cs' + do: [:s| + s timeStamp. + CogScripts changedMethodsForExtractingSpurMarkSweepCollector do: + [:rbMethodChange| s cr; print: rbMethodChange]]" + | selectors scanMarkCollectorVars rules model environment sortedChanges | + selectors := ((SpurMemoryManager methodsInCategory: #'gc - global') select: [:s| s beginsWith: 'mark']) + copyWithoutAll: #(markAndTrace: markAndTraceHiddenRoots). + scanMarkCollectorVars := SpurScanMarkCollector instVarNames copyWithout: 'coInterpreter'. + rules := RBParseTreeRewriter new. + rules + replace: 'self `@method: ``@args' + with: 'scanMarkCollector `@method: ``@args' + when: [:node| "is a SpurMemoryManager method" + (selectors includes: node methodNode selector) not + and: [selectors includes: node selector]]. + rules + replace: 'self `@method: ``@args' + with: 'manager `@method: ``@args' + when: [:node| "is a SpurScanMarkCollector method" + (selectors includes: node methodNode selector) + and: [(selectors includes: node selector) not]]. + (SpurMemoryManager instVarNames reject: [:iv| scanMarkCollectorVars includes: iv]) do: + [:instVar| + rules + replace: instVar, ' := ``@args' + with: 'manager ', instVar, ': ``@args' + when: [:node| selectors includes: node methodNode selector]; + replace: instVar + with: 'manager ', instVar + when: [:node| selectors includes: node methodNode selector]]. + (SpurMemoryManager instVarNames select: [:iv| scanMarkCollectorVars includes: iv]) do: + [:instVar| + rules + replace: instVar, ' := ``@args' + with: 'scanMarkCollector ', instVar, ': ``@args' + when: [:node| (selectors includes: node methodNode selector) not]; + replace: instVar + with: 'scanMarkCollector ', instVar + when: [:node| (selectors includes: node methodNode selector) not]]. + #( 'nilObj' 'trueObj' 'falseObj') + do: [:instVar| + rules + replace: instVar, ' := ``@args' + with: 'manager ', instVar, 'ect: ``@args' + when: [:node| (selectors includes: node methodNode selector) and: [self halt. true]]; + replace: instVar + with: 'manager ', instVar, 'ect' + when: [:node| (selectors includes: node methodNode selector) and: [self halt. true]]]. + model := RBNamespace new. + environment := RBBrowserEnvironment new forClasses: SpurMemoryManager withAllSubclasses. + environment classesAndSelectorsDo: + [ :class :selector | | tree | + tree := class parseTreeFor: selector. + (rules executeTree: tree) ifTrue: + [model + compile: rules tree newSource + in: ((selectors includes: selector) + ifTrue: [SpurScanMarkCollector] + ifFalse: [class]) classified: (class whichCategoryIncludesSelector: selector)]]. + + sortedChanges := model changes changes asSortedCollection: + [:c1 :c2| + c1 changeClass == c2 changeClass + ifTrue: [c1 selector <= c2 selector] + ifFalse: [c2 changeClass inheritsFrom: c1 changeClass]]. + + ^sortedChanges!

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[OpenSmalltalk/opensmalltalk-vm] 7a7c6b: Change the Mac Info.plist in the generated app bun...
by Eliot Miranda 31 Aug '21

31 Aug '21

Branch: refs/heads/Cog Home: https://github.com/OpenSmalltalk/opensmalltalk-vm Commit: 7a7c6be7b5a9aceda20cde0f4f4538afb0b8fdaf https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/7a7c6be7b5a9aceda2… Author: Eliot Miranda <eliot.miranda(a)gmail.com> Date: 2021-08-31 (Tue, 31 Aug 2021) Changed paths: M building/macos32x86/common/Makefile.app M building/macos32x86/common/Makefile.vm M building/macos64ARMv8/common/Makefile.app M building/macos64ARMv8/common/Makefile.vm M building/macos64x64/common/Makefile.app M building/macos64x64/common/Makefile.vm M platforms/Cross/vm/sqSCCSVersion.h Log Message: ----------- Change the Mac Info.plist in the generated app bundle to use a version number of the form VM Major.RevisionDate.RevisionTime, e.g. 5.20210827.2054.

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"This file was included too late" whilst attempting to test build the improved ARM64 bitblt code
by tim Rowledge 31 Aug '21

31 Aug '21

This is obviously fallout from the recent rearrangement of include stuff, which I happily let float by me. I spent this afternoon attempting to build the improved ARM64 bitblt that RPF paid to have done at the beginning of the year. After first being surprised that the pull request Ben created/raised/sent/whatever hadn't been dealt with I managed to work out the changes he had made and got the above error message. I don't remember any details at all about what had to be done. The full error message produced was - In file included from /home/pi/DizietFS/Documents/Squeak/opensmalltalk-vm/platforms/Cross/vm/sqMemoryAccess.h:23, from /home/pi/DizietFS/Documents/Squeak/opensmalltalk-vm/platforms/Cross/vm/sqVirtualMachine.h:30, from /home/pi/DizietFS/Documents/Squeak/opensmalltalk-vm/platforms/Cross/plugins/BitBltPlugin/BitBltDispatch.h:30, from /home/pi/DizietFS/Documents/Squeak/opensmalltalk-vm/platforms/Cross/plugins/BitBltPlugin/BitBltInternal.h:29, from /home/pi/DizietFS/Documents/Squeak/opensmalltalk-vm/platforms/Cross/plugins/BitBltPlugin/BitBltArm64.c:28: /home/pi/DizietFS/Documents/Squeak/opensmalltalk-vm/build.linux64ARMv8/squeak.cog.spur/build/config.h:40:2: error: #error This file was included too late. Please make sure it is included earlier #error This file was included too late. Please make sure it is included earlier I guess that means some ordering change is needed in the BitBltDispatch.h where the current #inclued chunk looks like - #ifndef BITBLTDISPATCH_H_ #define BITBLTDISPATCH_H_ #include <stdbool.h> #include "sqVirtualMachine.h" What should it look like these days? tim -- tim Rowledge; tim(a)rowledge.org; http://www.rowledge.org/tim Oxymorons: New classic

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[OpenSmalltalk/opensmalltalk-vm] Windows: Save two redundant calls of `GetLastError()` (#589)
by Christoph Thiede 31 Aug '21

31 Aug '21

Assuming there was an error during printing (`wvsprintf`) inside of `vprintLastError()`, the second call could have returned a different error code than expected. Apart from that, to me, it looks to be an idiom to call GetLastError() only once per error. In every case, printing errors now should be a tiny little bit faster. :-) You can view, comment on, or merge this pull request online at: https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/589 -- Commit Summary -- * Save two redundant calls of GetLastError() -- File Changes -- M platforms/win32/vm/sqWin32Utils.c (4) -- Patch Links -- https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/589.patch https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/589.diff -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/589

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fix for allocateJITMemory in VMMaker.oscog-eem.3047
by stes＠PANDORA.BE 29 Aug '21

29 Aug '21

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Please recall that I reported about a month ago, a new problem, with allocateJITMemory(). That function is new since about late July 2021. sqAllocateMemorySegmentOfSizeAboveAllocatedSizeInto mmap: Not enough space sqAllocateMemory: initial alloc failed! This error happens on Solaris 11.3 and OpenIndiana, but not on Solaris 11.4. It still happens with VMMaker.oscog-eem.3047 but I believe I have a patch now. bash-4.4$ products/sqcogspursunosht/usr/bin/squeak $HOME/squeak/v5/Squeak6.0alpha-19843-32bit.image sqAllocateMemory: initial alloc failed! bash-4.4$ products/sqcogspursunosht/usr/bin/squeak -version $HOME/squeak/v5/Squeak6.0alpha-19843-32bit.image 5.0-202108291033-OpenSmalltalk-Cog Sun Aug 29 13:27:29 CEST 2021 cc [Production Spur VM] CoInterpreter VMMaker.oscog-eem.3047 uuid: 548d0a5b-eb23-4df6-bbb1-0b431cc840b3 Aug 29 2021 StackToRegisterMappingCogit VMMaker.oscog-eem.3047 uuid: 548d0a5b-eb23-4df6-bbb1-0b431cc840b3 Aug 29 2021 I have been succesfully using a patch since about 3 weeks that seems to fix the issue. All patches can be found at: https://github.com/OpenIndiana/oi-userland/tree/oi/hipster/components/runti… In this case - it only affects the COG VM - the patch is: 09-sqUnixSpurMemory.patch https://github.com/OpenIndiana/oi-userland/tree/oi/hipster/components/runti… Basically I copied old code which is doing alignment and pasted it into allocateJITMemory() : +++ p0/opensmalltalk-vm-sun-v5.0.34/platforms/unix/vm/sqUnixSpurMemory.c Sun Aug 15 14:11:58 2021 @@ -277,16 +277,21 @@ { void *hint = sbrk(0); // a hint of the lowest possible address for mmap void *result; + char *address; + unsigned long alignment; pageSize = getpagesize(); pageMask = ~(pageSize - 1); + alignment = max(pageSize,1024*1024); + address = (char *)(((usqInt)hint + alignment - 1) & ~(alignment - 1)); + #if !defined(MAP_JIT) # define MAP_JIT 0 #endif *desiredSize = roundUpToPage(*desiredSize); - - result = mmap(hint, *desiredSize, + result = mmap(address, *desiredSize, #if DUAL_MAPPED_CODE_ZONE PROT_READ | PROT_EXEC, #else I have been using this succesfully as follows. bash-4.4$ patch -p1 < 09-sqUnixSpurMemory.patch patching file platforms/unix/vm/sqUnixSpurMemory.c Basically when running this in "dbx" (2) stop change `squeak`sqUnixSpurMemory.c`pageSize =>[1] allocateJITMemory(desiredSize = 0x826710) (optimized), at 0x5627d5 (line ~ 282) in "sqUnixSpurMemory.c" [2] readImageFromFileHeapSizeStartingAt(f = 3, desiredHeapSize = <value unavai lable>, imageOffset = <value unavailable>) (optimized), at 0x4e1968 (line ~21170 ) in "cointerp.c" [3] imgInit() (optimized), at 0x4c8e84 (line ~1992) in "sqUnixMain.c" [4] main(argc = 2, argv = 0xffff80ffbfffed78, envp = <value unavailable>) (opt imized), at 0x4c8ffd (line ~2110) in "sqUnixMain.c" I had the impression that allocateJITMemory() which is a new function, is not doing the same alignment computation as the old code which was working. I compared with the alignment code in sqAllocateMemorySegmentOfSizeAboveAllocatedSizeInto() sqAllocateMemorySegmentOfSizeAboveAllocatedSizeInto() is using a different, alignment computation ... So out of considerations of symmetry or compatibility, I guessed that perhaps it could be related to alignment and the details of how mmap() works on Solaris 11.3 versus Solaris 11.4. Indeed when copying/pasting the old alignment computation it works again, on OpenIndiana and Solaris 11.3. With that SpurMemory.c patch, 32bit and 64bit work again, CoInterpreter VMMaker.oscog-eem.3047 uuid Solaris 11.4 is not affected by the new issue, but I tested that the alignment fix also works on Solaris 11.4. What do you think, is it a good fix, can this be added please to allocateJITMemory ? Thanks, David Stes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJhK4OLAAoJENdFDkXGicizsBoH/1GhBNRD+eL7EFrY2FaIbbZm UGuhoSslHKOAEh4DrUvf1e9pYoiabmLUWdCpb6vQVGsrY8jDHFpKN9QCcsLILsOw NdR8X2HW+KZl0oGniW4/UOL7m2tkRLYPbMwS8ACEnBXf69ffI02CwyvBWlCipTa2 yh+JQcDBgB/qd3qlTyHuGGvJZbtMIck1e6u2YMPLqTHyTaX0dskWRvm8ULKNbOLP ofQYWr0DnwI132OOaPifA185dI5Bes5L7HEdpBcwR5GDg3fey9w5yZRVFkSmXnsQ xJa0baeDGRYEh+CvWOj+H/nuvViqkSwpLJb9DvKR2l8l//lfmuiDJAKu594yh2Q= =jMOC -----END PGP SIGNATURE-----

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[OpenSmalltalk/opensmalltalk-vm] 694468: Undo the other half of the damage of 2dba0442886ee...
by Eliot Miranda 27 Aug '21

27 Aug '21

Branch: refs/heads/Cog Home: https://github.com/OpenSmalltalk/opensmalltalk-vm Commit: 694468113dc2386a57e1f81509f7642fe395a71d https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/694468113dc2386a57… Author: Eliot Miranda <eliot.miranda(a)gmail.com> Date: 2021-08-27 (Fri, 27 Aug 2021) Changed paths: M building/linux32ARMv6/newspeak.cog.spur/build.assert/mvm M building/linux32ARMv6/newspeak.cog.spur/build.debug/mvm M building/linux32ARMv6/newspeak.cog.spur/build/mvm M building/linux32ARMv6/newspeak.stack.spur/build.assert/mvm M building/linux32ARMv6/newspeak.stack.spur/build.debug/mvm M building/linux32ARMv6/newspeak.stack.spur/build/mvm M building/linux32ARMv6/pharo.cog.spur/build.assert/mvm M building/linux32ARMv6/pharo.cog.spur/build.debug/mvm M building/linux32ARMv6/pharo.cog.spur/build/mvm M building/linux32ARMv6/squeak.cog.spur/build.assert/mvm M building/linux32ARMv6/squeak.cog.spur/build.debug/mvm M building/linux32ARMv6/squeak.cog.spur/build/mvm M building/linux32ARMv6/squeak.cog.v3/build.assert/mvm M building/linux32ARMv6/squeak.cog.v3/build.debug/mvm M building/linux32ARMv6/squeak.cog.v3/build/mvm M building/linux32ARMv6/squeak.stack.spur/build.assert/mvm M building/linux32ARMv6/squeak.stack.spur/build.debug/mvm M building/linux32ARMv6/squeak.stack.spur/build/mvm M building/linux32ARMv6/squeak.stack.v3/build.assert/mvm M building/linux32ARMv6/squeak.stack.v3/build.debug/mvm M building/linux32ARMv6/squeak.stack.v3/build/mvm M building/linux32ARMv7/newspeak.cog.spur/build.assert/mvm M building/linux32ARMv7/newspeak.cog.spur/build.debug/mvm M building/linux32ARMv7/newspeak.cog.spur/build/mvm M building/linux32ARMv7/newspeak.stack.spur/build.assert/mvm M building/linux32ARMv7/newspeak.stack.spur/build.debug/mvm M building/linux32ARMv7/newspeak.stack.spur/build/mvm M building/linux32x86/newspeak.cog.spur/build.assert.itimerheartbeat/mvm M building/linux32x86/newspeak.cog.spur/build.assert/mvm M building/linux32x86/newspeak.cog.spur/build.debug.itimerheartbeat/mvm M building/linux32x86/newspeak.cog.spur/build.debug/mvm M building/linux32x86/newspeak.cog.spur/build.itimerheartbeat/mvm M building/linux32x86/newspeak.cog.spur/build/mvm M building/linux32x86/newspeak.stack.spur/build.assert/mvm M building/linux32x86/newspeak.stack.spur/build.debug/mvm M building/linux32x86/newspeak.stack.spur/build/mvm M building/linux32x86/nsnac.cog.spur/build.assert.itimerheartbeat/mvm M building/linux32x86/nsnac.cog.spur/build.assert/mvm M building/linux32x86/nsnac.cog.spur/build.debug.itimerheartbeat/mvm M building/linux32x86/nsnac.cog.spur/build.debug/mvm M building/linux32x86/nsnac.cog.spur/build.itimerheartbeat/mvm M building/linux32x86/nsnac.cog.spur/build/mvm M building/linux32x86/pharo.cog.spur.lowcode/build.assert.itimerheartbeat/mvm M building/linux32x86/pharo.cog.spur.lowcode/build.assert/mvm M building/linux32x86/pharo.cog.spur.lowcode/build.debug.itimerheartbeat/mvm M building/linux32x86/pharo.cog.spur.lowcode/build.debug/mvm M building/linux32x86/pharo.cog.spur.lowcode/build.itimerheartbeat/mvm M building/linux32x86/pharo.cog.spur.lowcode/build/mvm M building/linux32x86/pharo.cog.spur.minheadless/build.assert.itimerheartbeat/mvm M building/linux32x86/pharo.cog.spur.minheadless/build.assert/mvm M building/linux32x86/pharo.cog.spur.minheadless/build.debug.itimerheartbeat/mvm M building/linux32x86/pharo.cog.spur.minheadless/build.itimerheartbeat/mvm M building/linux32x86/pharo.cog.spur.minheadless/build/mvm M building/linux32x86/pharo.cog.spur/build.assert.itimerheartbeat/mvm M building/linux32x86/pharo.cog.spur/build.assert/mvm M building/linux32x86/pharo.cog.spur/build.debug.itimerheartbeat/mvm M building/linux32x86/pharo.cog.spur/build.debug/mvm M building/linux32x86/pharo.cog.spur/build.itimerheartbeat/mvm M building/linux32x86/pharo.cog.spur/build/mvm M building/linux32x86/pharo.sista.spur/build.assert.itimerheartbeat/mvm M building/linux32x86/pharo.sista.spur/build.assert/mvm M building/linux32x86/pharo.sista.spur/build.debug.itimerheartbeat/mvm M building/linux32x86/pharo.sista.spur/build.debug/mvm M building/linux32x86/pharo.sista.spur/build.itimerheartbeat/mvm M building/linux32x86/pharo.sista.spur/build/mvm M building/linux32x86/pharo.stack.spur.lowcode/build.assert.itimerheartbeat/mvm M building/linux32x86/pharo.stack.spur.lowcode/build.assert/mvm M building/linux32x86/pharo.stack.spur.lowcode/build.debug.itimerheartbeat/mvm M building/linux32x86/pharo.stack.spur.lowcode/build.debug/mvm M building/linux32x86/pharo.stack.spur.lowcode/build.itimerheartbeat/mvm M building/linux32x86/pharo.stack.spur.lowcode/build/mvm M building/linux32x86/squeak.cog.spur/build.assert.itimerheartbeat/mvm M building/linux32x86/squeak.cog.spur/build.assert/mvm M building/linux32x86/squeak.cog.spur/build.debug.itimerheartbeat/mvm M building/linux32x86/squeak.cog.spur/build.debug/mvm M building/linux32x86/squeak.cog.spur/build.itimerheartbeat/mvm M building/linux32x86/squeak.cog.spur/build/mvm M building/linux32x86/squeak.cog.v3/build.assert.itimerheartbeat/mvm M building/linux32x86/squeak.cog.v3/build.assert/mvm M building/linux32x86/squeak.cog.v3/build.debug.itimerheartbeat/mvm M building/linux32x86/squeak.cog.v3/build.debug/mvm M building/linux32x86/squeak.cog.v3/build.itimerheartbeat/mvm M building/linux32x86/squeak.cog.v3/build.multithreaded.assert/mvm M building/linux32x86/squeak.cog.v3/build.multithreaded.debug/mvm M building/linux32x86/squeak.cog.v3/build.multithreaded/mvm M building/linux32x86/squeak.cog.v3/build/mvm M building/linux32x86/squeak.sista.spur/build.assert.itimerheartbeat/mvm M building/linux32x86/squeak.sista.spur/build.assert/mvm M building/linux32x86/squeak.sista.spur/build.debug.itimerheartbeat/mvm M building/linux32x86/squeak.sista.spur/build.debug/mvm M building/linux32x86/squeak.sista.spur/build.itimerheartbeat/mvm M building/linux32x86/squeak.sista.spur/build/mvm M building/linux32x86/squeak.stack.spur/build.assert/mvm M building/linux32x86/squeak.stack.spur/build.debug/mvm M building/linux32x86/squeak.stack.spur/build/mvm M building/linux32x86/squeak.stack.v3/build.assert/mvm M building/linux32x86/squeak.stack.v3/build.debug/mvm M building/linux32x86/squeak.stack.v3/build/mvm M building/linux64ARMv8/pharo.stack.spur/build.debug/mvm M building/linux64ARMv8/pharo.stack.spur/build/mvm M building/linux64ARMv8/squeak.cog.spur/build.assert/mvm M building/linux64ARMv8/squeak.cog.spur/build.debug/mvm M building/linux64ARMv8/squeak.cog.spur/build/mvm M building/linux64ARMv8/squeak.cogmt.spur/build.assert/mvm M building/linux64ARMv8/squeak.cogmt.spur/build.debug/mvm M building/linux64ARMv8/squeak.cogmt.spur/build/mvm M building/linux64ARMv8/squeak.stack.spur/build.assert/mvm M building/linux64ARMv8/squeak.stack.spur/build.debug/mvm M building/linux64ARMv8/squeak.stack.spur/build/mvm M building/linux64x64/newspeak.cog.spur/build.assert.itimerheartbeat/mvm M building/linux64x64/newspeak.cog.spur/build.assert/mvm M building/linux64x64/newspeak.cog.spur/build.debug.itimerheartbeat/mvm M building/linux64x64/newspeak.cog.spur/build.debug/mvm M building/linux64x64/newspeak.cog.spur/build.itimerheartbeat/mvm M building/linux64x64/newspeak.cog.spur/build/mvm M building/linux64x64/newspeak.stack.spur/build.assert/mvm M building/linux64x64/newspeak.stack.spur/build.debug/mvm M building/linux64x64/newspeak.stack.spur/build/mvm M building/linux64x64/nsnac.cog.spur/build.assert.itimerheartbeat/mvm M building/linux64x64/nsnac.cog.spur/build.assert/mvm M building/linux64x64/nsnac.cog.spur/build.debug.itimerheartbeat/mvm M building/linux64x64/nsnac.cog.spur/build.debug/mvm M building/linux64x64/nsnac.cog.spur/build.itimerheartbeat/mvm M building/linux64x64/nsnac.cog.spur/build/mvm M building/linux64x64/pharo.cog.spur.minheadless/build.assert.itimerheartbeat/mvm M building/linux64x64/pharo.cog.spur.minheadless/build.assert/mvm M building/linux64x64/pharo.cog.spur.minheadless/build.debug.itimerheartbeat/mvm M building/linux64x64/pharo.cog.spur.minheadless/build.debug/mvm M building/linux64x64/pharo.cog.spur.minheadless/build.itimerheartbeat/mvm M building/linux64x64/pharo.cog.spur.minheadless/build/mvm M building/linux64x64/pharo.cog.spur/build.assert.itimerheartbeat/mvm M building/linux64x64/pharo.cog.spur/build.assert/mvm M building/linux64x64/pharo.cog.spur/build.debug.itimerheartbeat/mvm M building/linux64x64/pharo.cog.spur/build.debug/mvm M building/linux64x64/pharo.cog.spur/build.itimerheartbeat/mvm M building/linux64x64/pharo.cog.spur/build/mvm M building/linux64x64/squeak.cog.spur/build.assert.itimerheartbeat/mvm M building/linux64x64/squeak.cog.spur/build.assert/mvm M building/linux64x64/squeak.cog.spur/build.debug.itimerheartbeat/mvm M building/linux64x64/squeak.cog.spur/build.debug/mvm M building/linux64x64/squeak.cog.spur/build.itimerheartbeat/mvm M building/linux64x64/squeak.cog.spur/build/mvm M building/linux64x64/squeak.stack.spur/build.assert/mvm M building/linux64x64/squeak.stack.spur/build.debug/mvm M building/linux64x64/squeak.stack.spur/build/mvm M building/sunos32x86/squeak.cog.spur/build/mvm M building/sunos32x86/squeak.stack.spur/build/mvm M building/sunos64x64/squeak.cog.spur/build/mvm M building/sunos64x64/squeak.stack.spur/build/mvm Log Message: ----------- Undo the other half of the damage of 2dba0442886ee5841a44f5d70f3e7921424a77d8 [ci skip]

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Vm-dev August 2021