Eliot Miranda uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-eem.1365.mcz
==================== Summary ====================
Name: Kernel-eem.1365 Author: eem Time: 3 January 2021, 6:13:25.987938 pm UUID: 1e125cb0-86f1-451b-b288-d89c06b9f267 Ancestors: Kernel-mt.1364
Context>>#doPrimitive:method:receiver:args: shoukld not send effectiveProcess to Processor activeProcess. The send is done inside Processor>>#activeProcess. Make sure CompiledBlock understands anyAndAllMessages so that implementors/senders doesn't crash inside the debugger with a block selected.
=============== Diff against Kernel-mt.1364 ===============
Item was added: + ----- Method: CompiledBlock>>anyAndAllMessages (in category 'literals') ----- + anyAndAllMessages + ^self homeMethod anyAndAllMessages!
Item was changed: ----- Method: Context>>doPrimitive:method:receiver:args: (in category 'private') ----- doPrimitive: primitiveIndex method: meth receiver: receiver args: arguments "Simulate a primitive method whose index is primitiveIndex. The simulated receiver and arguments are given as arguments to this message. If successful, push result and return resuming context, else ^ {errCode, PrimitiveFailToken}. Any primitive which provokes execution needs to be intercepted and simulated to avoid execution running away."
| value | "Judicious use of primitive 19 (a null primitive that doesn't do anything) prevents the debugger from entering various run-away activities such as spawning a new process, etc. Injudicious use results in the debugger not being able to debug interesting code, such as the debugger itself. Hence use primitive 19 with care :-)" "SystemNavigation new browseAllSelect: [:m| m primitive = 19]" + primitiveIndex = 19 ifTrue: + [Processor activeProcess - primitiveIndex = 19 ifTrue: [ - Processor activeProcess debug: self title:'Code simulation error' full: false].
((primitiveIndex between: 201 and: 222) and: [(self objectClass: receiver) includesBehavior: BlockClosure]) ifTrue: [(primitiveIndex = 206 or: [primitiveIndex = 208]) ifTrue: "[Full]BlockClosure>>valueWithArguments:" [^receiver simulateValueWithArguments: arguments first caller: self]. ((primitiveIndex between: 201 and: 209) "[Full]BlockClosure>>value[:value:...]" or: [primitiveIndex between: 221 and: 222]) ifTrue: "[Full]BlockClosure>>valueNoContextSwitch[:]" [^receiver simulateValueWithArguments: arguments caller: self]].
primitiveIndex = 83 ifTrue: "afr 9/11/1998 19:50" "Object>>perform:[with:...]" [^self send: arguments first to: receiver with: arguments allButFirst]. primitiveIndex = 84 ifTrue: "afr 9/11/1998 19:50 & eem 8/18/2009 17:04" "Object>>perform:withArguments:" [^self send: arguments first to: receiver with: (arguments at: 2) lookupIn: (self objectClass: receiver)]. primitiveIndex = 100 ifTrue: "eem 8/18/2009 16:57" "Object>>perform:withArguments:inSuperclass:" [^self send: arguments first to: receiver with: (arguments at: 2) lookupIn: (arguments at: 3)].
"Mutex>>primitiveEnterCriticalSection Mutex>>primitiveTestAndSetOwnershipOfCriticalSection" (primitiveIndex = 186 or: [primitiveIndex = 187]) ifTrue: + ["Transcript + cr; + nextPutAll: 'Processor activeProcess '; + nextPutAll: (Processor activeProcess == receiver owningProcess ifTrue: [#==] ifFalse: [#~~]); + nextPutAll: ' owner'; + flush." + value := primitiveIndex = 186 + ifTrue: [receiver primitiveEnterCriticalSectionOnBehalfOf: Processor activeProcess] + ifFalse: [receiver primitiveTestAndSetOwnershipOfCriticalSectionOnBehalfOf: Processor activeProcess]. - [| effective | - effective := Processor activeProcess effectiveProcess. - "active == effective" - value := primitiveIndex = 186 - ifTrue: [receiver primitiveEnterCriticalSectionOnBehalfOf: effective] - ifFalse: [receiver primitiveTestAndSetOwnershipOfCriticalSectionOnBehalfOf: effective]. ^(self isPrimFailToken: value) ifTrue: [value] ifFalse: [self push: value]].
primitiveIndex = 188 ifTrue: "Object>>withArgs:executeMethod: CompiledMethod class>>receiver:withArguments:executeMethod: VMMirror>>ifFail:object:with:executeMethod: et al" [| n args methodArg thisReceiver | ((n := arguments size) between: 2 and: 4) ifFalse: [^self class primitiveFailTokenFor: #'unsupported operation']. ((self objectClass: (args := arguments at: n - 1)) == Array and: [(self objectClass: (methodArg := arguments at: n)) includesBehavior: CompiledMethod]) ifFalse: [^self class primitiveFailTokenFor: #'bad argument']. methodArg numArgs = args size ifFalse: [^self class primitiveFailTokenFor: #'bad number of arguments']. thisReceiver := arguments at: n - 2 ifAbsent: [receiver]. methodArg primitive > 0 ifTrue: [methodArg isQuick ifTrue: [^self push: (methodArg valueWithReceiver: thisReceiver arguments: args)]. ^self doPrimitive: methodArg primitive method: meth receiver: thisReceiver args: args]. ^Context sender: self receiver: thisReceiver method: methodArg arguments: args].
primitiveIndex = 118 ifTrue: "[receiver:]tryPrimitive:withArgs:; avoid recursing in the VM" [(arguments size = 3 and: [(self objectClass: arguments second) == SmallInteger and: [(self objectClass: arguments last) == Array]]) ifTrue: [^self doPrimitive: arguments second method: meth receiver: arguments first args: arguments last]. (arguments size = 2 and: [(self objectClass: arguments first) == SmallInteger and: [(self objectClass: arguments last) == Array]]) ifFalse: [^self class primitiveFailTokenFor: nil]. ^self doPrimitive: arguments first method: meth receiver: receiver args: arguments last].
value := primitiveIndex = 120 "FFI method" ifTrue: [(meth literalAt: 1) tryInvokeWithArguments: arguments] ifFalse: [primitiveIndex = 117 "named primitives" ifTrue: [self tryNamedPrimitiveIn: meth for: receiver withArgs: arguments] ifFalse: "should use self receiver: receiver tryPrimitive: primitiveIndex withArgs: arguments but this is only in later VMs (and appears to be broken)" [receiver tryPrimitive: primitiveIndex withArgs: arguments]].
^(self isPrimFailToken: value) ifTrue: [value] ifFalse: [self push: value]!