Vm-dev June 2022

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Re: [Vm-dev] [Cuis-dev] Cuis on a RISC
by tim Rowledge 21 Jun '22

21 Jun '22

I could have sworn I've read emails from someone that did a MIPS cog port, but it hasn't made it to the 'official' opensmalltalk-vm repository as yet. A complication for a RiscV cog that I would anticipate from my fairly limited reading on RiscV is that the actual instruction set for any particular cpu can vary quite a lot because of the building-block nature of the specification. I hope it's not quite as confusing as it seems to me so far. > On 2022-06-15, at 5:59 AM, ken.dickey(a)whidbey.com wrote: > > On 2022-06-15 03:06, Gerald Klix via Cuis-dev wrote: > >> Nevertheless I don't understand Ken's answer. > >> To make a story too long short: Obviously there never was a JIT version of the >> opensmalltalk VM for the RiscV-architecture (I don't know to state this in a more explicit way). > > Gerald, > > Sorry to be confusing. > > OpenSmalltalk-VM has many delivery targets. > OSs: Windows, Linux, MacOS, SunOS. [?RiscOS?] Ah. RISC OS. Yes, well, I haven't had any time to update that in quite a while. I really would like to do a cog version since we have the ARM cog already sorted, but *time*. What even is that thing *spare time*? > CPU Architectures: Intel, Arm, now Risc-V > 32 bit, 64 bit variants > Displays & plugins > [X-Windows, FrameBuffer, ..] > > There are three basic VM "flavors" > Original stack VM ["Back to the Future"] > Spur [Stack VM with top of stack mapped to machine registers] > a.k.s. squeak.stack.spur > Cog [Above + JIT] > a.k.a. squeak.cog.spur > > The VM easiest to port is squeak.stack.spur > > The squeak.stack.spur flavor is running now on RISC-V RV64 (64 bit) Debian Linux. > > No JIT (no squeak,cog.spur) yet. > > HTH, > -KenD > tim -- tim Rowledge; tim(a)rowledge.org; http://www.rowledge.org/tim Strange OpCodes: SDP: Search and Destroy Pointer

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[OpenSmalltalk/opensmalltalk-vm] 27657f: CogVM source as per VMMaker.oscog-eem.3193
by Eliot Miranda 18 Jun '22

18 Jun '22

Branch: refs/heads/Cog Home: https://github.com/OpenSmalltalk/opensmalltalk-vm Commit: 27657fe6ab1becf599d9443a9a1d9955af964298 https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/27657fe6ab1becf599… Author: Eliot Miranda <eliot.miranda(a)gmail.com> Date: 2022-06-18 (Sat, 18 Jun 2022) Changed paths: M src/spur32.stack/validImage.c M src/spur64.stack/validImage.c Log Message: ----------- CogVM source as per VMMaker.oscog-eem.3193 Fix regressions in ImageLeakChecker after not so recent changes.

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VM Maker: VMMaker.oscog-eem.3193.mcz
by commits＠source.squeak.org 18 Jun '22

18 Jun '22

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.3193.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.3193 Author: eem Time: 18 June 2022, 12:32:51.434311 pm UUID: 1e6f2357-e233-4291-bdce-2b9a24fc617d Ancestors: VMMaker.oscog-eem.3192 Fix regressions in ImageLeakChecker after not so recent changes. =============== Diff against VMMaker.oscog-eem.3192 =============== Item was changed: ----- Method: ImageLeakChecker class>>declareCVarsIn: (in category 'translation') ----- declareCVarsIn: aCCodeGenerator self declareInterpreterVersionIn: aCCodeGenerator defaultName: 'ImageChecker'. aCCodeGenerator var: #interpreterProxy type: #'struct VirtualMachine*'. "Do this to avoid redefining interp.h when we generate the image checker. i.e. agree with StackInterpereter class's version above." aCCodeGenerator addConstantForBinding: (self bindingOf: #MULTIPLEBYTECODESETS). + #('checkAllocFiller' 'externalPrimitiveTable' 'pcPreviousToFunction' 'primitiveTable' 'primitiveAccessorDepthTable' 'stackPages') do: - #('checkAllocFiller' 'primitiveTable' 'primitiveAccessorDepthTable' 'stackPages') do: [:surplus| aCCodeGenerator removeVariable: surplus]! Item was changed: ----- Method: ImageLeakChecker class>>preGenerationHook: (in category 'translation') ----- preGenerationHook: aCCodeGen "Attempt to nuke everything we don't need in our hierarchy. We will leave the pruning of most of methods in the memory manager hierarchy to the code generator." | interpreterSelectors toBeRemoved | toBeRemoved := Set withAll: (interpreterSelectors := StackInterpreter selectors, InterpreterPrimitives selectors). "Now make sure we *don't* remove any of the following. These we need." {self selectors. #(addressCouldBeClassObj: checkAssumedCompactClasses fetchStackPointerOf: highBit: is:KindOfClass: includesBehavior:ThatOf: initializeExtraClassInstVarIndices initializeInterpreter: literalCountOfAlternateHeader: maybeSelectorOfMethod: maybeFixClonedCompiledMethod: + object:equalsString: object:equalsString:ofSize: objCouldBeClassObj: primitiveFail primitiveFailFor: successful superclassOf:). - objCouldBeClassObj: primitiveFail primitiveFailFor: successful superclassOf:). (StackInterpreter methodsInCategory: #'debug printing') reject: [:s1| #('Context' 'Frame' 'Proc' "Procs and Process" 'Stack') anySatisfy: [:s2| s1 includesSubstring: s2]]. StackInterpreter methodsInCategory: #'compiled methods'. StackInterpreter methodsInCategory: #'frame access'. StackInterpreter methodsInCategory: #'image save/restore'. interpreterSelectors select: [:s| s includesSubstring: 'Alien']. "the ^self methods are usually no-op stubs overridden in CoInterpreter; we want these." interpreterSelectors select: [:s| ((StackInterpreter whichClassIncludesSelector: s) >> s) isReturnSelf]. "And include all the isFoo methods..." interpreterSelectors select: [:s| s size > 2 and: [(s beginsWith: 'is') and: [s third isUppercase]]]} do: [:selectors| toBeRemoved removeAll: (selectors intersection: toBeRemoved)]. "These we explicitly prune; they're used by InterpreterProxy and/or the Cogit and/or pieces of machinery we don't want" toBeRemoved addAll: #(indexOf:in: instantiateClass:indexableSize: integerValueOf: maybeMethodClassOf:seemsToBeInstantiating: remapObj:). aCCodeGen pruneMethods: toBeRemoved. aCCodeGen sortedExportMethods do: [:tm| tm export: false]! Item was changed: ----- Method: ImageLeakChecker class>>preambleCCode (in category 'translation') ----- preambleCCode "readImageFromFile:HeapSizeStartingAt is declared public in sq.h, so it has to be exported, but some weird bug with clang clang-1000.11.45.5 makes it complian that _m is undecared in this: static char _m[] = ""; void* vm_exports[][3] = { {(void*)_m, ''readImageFromFileHeapSizeStartingAt'', (void*)readImageFromFileHeapSizeStartingAt}, {NULL, NULL, NULL} }; so we hack around it by redefining readImageFromFileHeapSizeStartingAt after sq.h is included and keep + our version of it private, and hence have no exports, avoiding generating the offending code above. + + Then in main:_: we use PharoVM which may or may not be defined." - our version of it private, and hence have no exports, avoiding generating the offending code above." ^super preambleCCode, ('\#define readImageFromFileHeapSizeStartingAt readImageFromFile\', + '#if !!defined(PharoVM)\# define PharoVM 0\#endif\\', + '\void error(const char *msg) {\ warning(msg);\ abort();\}\\') withCRs! - '\void error(char *msg) {\ warning(msg);\ abort();\}\\') withCRs!

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[OpenSmalltalk/opensmalltalk-vm] HTTPDownloadRequest failing (Issue #641)
by Ken Dickey 18 Jun '22

18 Jun '22

![EmptyContent](https://user-images.githubusercontent.com/3181168/174452295-25e77ede-5b20-44fa-8785-065a95750b60.png) ./buildspurtrunkvmmaker64image.sh -vm /usr/local/bin/spur64 Not sure proper fix for HTTPDownloadRequest>>contentStream -- Reply to this email directly or view it on GitHub: https://github.com/OpenSmalltalk/opensmalltalk-vm/issues/641 You are receiving this because you are subscribed to this thread. Message ID: <OpenSmalltalk/opensmalltalk-vm/issues/641(a)github.com>

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[OpenSmalltalk/opensmalltalk-vm] VMMaker build fails/blocked on Raspian/RasPi4 (Issue #640)
by Ken Dickey 18 Jun '22

18 Jun '22

![BuildVMMaker](https://user-images.githubusercontent.com/3181168/174446255-b343c48d-8315-4e30-bc14-96e726c0bbb5.png) Graphic says it all. -- Reply to this email directly or view it on GitHub: https://github.com/OpenSmalltalk/opensmalltalk-vm/issues/640 You are receiving this because you are subscribed to this thread. Message ID: <OpenSmalltalk/opensmalltalk-vm/issues/640(a)github.com>

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Base Image Unit Test Results on RISCV64
by ken.dickey＠whidbey.com 18 Jun '22

18 Jun '22

More work to do (crc tests fail) but baseline: ========= Squeak5.3-19481 unit tests in base image [riscv64gcv] 4747 run in 0:00:16:45.063, 4366 passes, 41 expected failures, 175 failures, 165 errors, 0 unexpected passes ============ Cuis6.0-5302 'BaseImageTests' unit test package [riscv64gcv] 1841 run, 1834 passed, 7 failed, 0 errors [arm64/aarch64] 1841 run, 1837 passed, 4 failed, 0 errors FYI, -KenD

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AlienSUnitTestProcedures.{h,c}
by ken.dickey＠whidbey.com 17 Jun '22

17 Jun '22

Found in platforms/Cross/plugins/IA32ABI/ This looks useful. Seems to be enabled via flag ALIEN_TEST_FUNCTIONS, nut I don't see this in mvm file in either build.debug or build.assert. How is this used? Thanks for help, -KenD

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[OpenSmalltalk/opensmalltalk-vm] 959f3f: CogVM source as per VMMaker.oscog-eem.3192
by Eliot Miranda 17 Jun '22

17 Jun '22

Branch: refs/heads/Cog Home: https://github.com/OpenSmalltalk/opensmalltalk-vm Commit: 959f3fe4ae32c4d574fdf96944751022bce25b6b https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/959f3fe4ae32c4d574… Author: Eliot Miranda <eliot.miranda(a)gmail.com> Date: 2022-06-16 (Thu, 16 Jun 2022) Changed paths: M platforms/Cross/plugins/FileDialogPlugin/FileDialogPlugin.h M platforms/iOS/plugins/FileDialogPlugin/sqMacFileDialog.m M platforms/unix/plugins/FileDialogPlugin/sqUnixFileDialog.c M platforms/win32/plugins/FileDialogPlugin/sqWin32FileDialog.c M src/plugins/FileDialogPlugin/FileDialogPlugin.c Log Message: ----------- CogVM source as per VMMaker.oscog-eem.3192 Extend FileDialogPlugin for 'multiSelect', implemented on MacOS only. No multiSelect elsewhere.

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VM Maker: VMMaker.oscog-eem.3192.mcz
by commits＠source.squeak.org 17 Jun '22

17 Jun '22

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.3192.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.3192 Author: eem Time: 16 June 2022, 4:56:32.417273 pm UUID: 5130b096-874d-45b8-8513-f7b8ae8a345d Ancestors: VMMaker.oscog-eem.3191 Extend FileDialogPlugin for 'multiSelect'. =============== Diff against VMMaker.oscog-eem.3191 =============== Item was changed: ----- Method: FileDialogPlugin>>primitiveFileDialogGetResult (in category 'file dialogs') ----- primitiveFileDialogGetResult "Primitive. Retrieve the result of the file dialog. Arguments: dlgHandle: Handle of the file dialog. + Return value: Array of strings for multiSelect, String for chosen file if not multiSelect, or nil if canceled" - Return value: String for choosen file, or nil if canceled" | dlgHandle cString | <export: true> <var: 'cString' type: #'char *'> interpreterProxy methodArgumentCount = 1 ifFalse: [^interpreterProxy primitiveFail]. dlgHandle := self stackDialogHandle: 0. interpreterProxy failed ifFalse: + [(self fileDialogGetResults: dlgHandle) + ifNotNil: + [:results| interpreterProxy methodReturnValue: results] + ifNil: + [cString := self fileDialogGetResult: dlgHandle. - [cString := self fileDialogGetResult: dlgHandle. interpreterProxy failed ifFalse: + [interpreterProxy methodReturnStringOrNil: cString]]]! - [self methodReturnStringOrNil: cString]]!

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[OpenSmalltalk/opensmalltalk-vm] 50ef46: Fix building the Mac sources on 32-bits and the 10...
by Eliot Miranda 17 Jun '22

17 Jun '22

Branch: refs/heads/Cog Home: https://github.com/OpenSmalltalk/opensmalltalk-vm Commit: 50ef4624f31d9c86cd8c60e853bda50f71c5a97b https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/50ef4624f31d9c86cd… Author: Eliot Miranda <eliot.miranda(a)gmail.com> Date: 2022-06-16 (Thu, 16 Jun 2022) Changed paths: M platforms/iOS/plugins/FileDialogPlugin/sqMacFileDialog.m Log Message: ----------- Fix building the Mac sources on 32-bits and the 10.10 SDK. Use a more modern approach to accessing the results of an NSOpenPanel dialog in the FileDialogPlugin.

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Vm-dev June 2022