Vm-dev December 2014

vm-dev@lists.squeakfoundation.org

33 participants
160 discussions

Re: [Vm-dev] VM Maker: VMMaker.oscog-eem.960.mcz
by Nicolas Cellier 03 Dec '14

03 Dec '14

2014-12-02 1:12 GMT+01:00 <commits(a)source.squeak.org>: > > Eliot Miranda uploaded a new version of VMMaker to project VM Maker: > http://source.squeak.org/VMMaker/VMMaker.oscog-eem.960.mcz > > ==================== Summary ==================== > > Name: VMMaker.oscog-eem.960 > Author: eem > Time: 1 December 2014, 4:11:42.232 pm > UUID: 1b13b4c0-c9f8-4441-a0fa-08b7cd13a92a > Ancestors: VMMaker.oscog-eem.959 > > Add some SmallFloat64 tests. > Hence fix isSmallFloatValue: for simulation. > > =============== Diff against VMMaker.oscog-eem.959 =============== > > Item was changed: > ----- Method: Spur64BitMemoryManager>>isSmallFloatValue: (in category > 'interpreter access') ----- > isSmallFloatValue: aFloat > <inline: true> > <var: #aFloat type: #double> > | exponent | > exponent := self > cCode: > [| rawFloat | > rawFloat := (self > cCoerce: (self addressOf: aFloat) to: 'sqLong *') at: 0. > Pointer aliasing usage apart, shouldn't it be usqLong * ? > rawFloat >> 52 bitAnd: > 16r7FF] > + inSmalltalk: [self > smallFloatExponentOffset > + + (aFloat > isFinite > + > ifTrue: > + > [aFloat = 0.0 > + > ifTrue: [0] > + > ifFalse: [aFloat exponent + 127]] > + > ifFalse: "Float nan & Float infinity exponent = -1, so mask to make > 0" > + > [aFloat exponent bitAnd: SmallInteger maxVal])]. > + ^exponent > + between: self smallFloatExponentOffset > + and: 255 + self smallFloatExponentOffset! > - inSmalltalk: [aFloat exponent]. > - ^exponent between: -127 and: 127! > > Item was added: > + ----- Method: StackInterpreterTests>>testImmediateFloats (in category > 'tests') ----- > + testImmediateFloats > + "self new testImmediateFloats" > + | vm smm smallFloatOop | > + vm := StackInterpreterSimulator newWithOptions: #(ObjectMemory > Spur64BitMemoryManager). > + smm := vm objectMemory. > + #(0.0 -0.0 1.0e38 -1.0e38 1.0e-38 -1.0e-38 2.0 -2.0) do: > + [:f| | sfo | > + vm initPrimCall. > + self shouldnt: [sfo := smm smallFloatObjectOf: f] raise: > Error. > + self assert: (smm smallFloatValueOf: sfo) equals: f. > + self assert: ((smm exponentOfSmallFloat: sfo) between: > -126 and: 127)]. > + {Float nan. Float infinity. Float negativeInfinity. 1.0e-39. > 1.0e39 } do: > + [:f| self deny: (smm isSmallFloatValue: f)]. > + vm initPrimCall. > + smallFloatOop := smm smallFloatTag + (1 << (smm > smallFloatMantissaBits + smm numTagBits)). > + self shouldnt: [smm floatValueOf: smallFloatOop] raise: Error. > + self deny: vm failed. > + self assert: (smm isSmallFloatValue: (smm floatValueOf: > smallFloatOop)). > + self assert: (smm floatObjectOf: (smm floatValueOf: > smallFloatOop)) equals: smallFloatOop. > + vm initPrimCall. > + smallFloatOop := ((1 bitShift: 64) - 1 bitClear: (1 bitShift: smm > numTagBits + 1) - 1) + smm smallFloatTag. > + self shouldnt: [smm floatValueOf: smallFloatOop] raise: Error. > + self deny: vm failed. > + self assert: (smm isSmallFloatValue: (smm floatValueOf: > smallFloatOop)). > + self assert: (smm floatObjectOf: (smm floatValueOf: > smallFloatOop)) equals: smallFloatOop! > >

2 2

InternetConfigPlugin
by Eliot Miranda 02 Dec '14

02 Dec '14

Hi All, is this useful anymore? Isn't it a relic of Mac OS 9 and earlier? -- best, Eliot

1 1

[commit][3157] Add initial source and build for 64-bit Spur on Mac OS X, to have a baseline to
by commits＠squeakvm.org 02 Dec '14

02 Dec '14

Revision: 3157 Author: eliot Date: 2014-12-02 10:02:39 -0800 (Tue, 02 Dec 2014) Log Message: ----------- Add initial source and build for 64-bit Spur on Mac OS X, to have a baseline to edit against. Modified Paths: -------------- branches/Cog/build.macos32x86/makeallinstall branches/Cog/build.macos32x86/newspeak.cog.spur/CoreVM.xcodeproj/project.pbxproj branches/Cog/build.macos32x86/newspeak.stack.spur/CoreVM.xcodeproj/project.pbxproj branches/Cog/build.macos32x86/squeak.cog.spur/CoreMTVM.xcodeproj/project.pbxproj branches/Cog/build.macos32x86/squeak.cog.spur/CoreVM.xcodeproj/project.pbxproj branches/Cog/build.macos32x86/squeak.sista.spur/CoreVM.xcodeproj/project.pbxproj branches/Cog/build.macos32x86/squeak.stack.spur/CoreVM.xcodeproj/project.pbxproj Added Paths: ----------- branches/Cog/build.macos64x64/ branches/Cog/build.macos64x64/HowToBuild branches/Cog/build.macos64x64/makeall branches/Cog/build.macos64x64/makeallinstall branches/Cog/build.macos64x64/makeproduct branches/Cog/build.macos64x64/makeproductinstall branches/Cog/build.macos64x64/makesista branches/Cog/build.macos64x64/makespur branches/Cog/build.macos64x64/newspeak.cog.spur/ 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=================================================================== --- branches/Cog/build.macos32x86/makeallinstall 2014-11-28 20:17:38 UTC (rev 3156) +++ branches/Cog/build.macos32x86/makeallinstall 2014-12-02 18:02:39 UTC (rev 3157) @@ -1,20 +1,20 @@ -#!/bin/bash -IFS=" - " -trap 'exit 2' HUP INT PIPE TERM -REV=`grep 'SvnRawRevisionString.*Rev:' "\`dirname $0\`/../platforms/Cross/vm/sqSCCSVersion.h" \ - | sed 's/^.*Rev: $[0-9][0-9]*$ $";/\1/'` -TAG=`date +%g.%U.`$REV -set -- Newspeak\ Virtual\ Machine Newspeak\ Spur\ Virtual\ Machine \ - Cog Cog\ Spur -for td in newspeak.cog.v3 newspeak.cog.spur squeak.cog.v3 squeak.cog.spur; do - d=$td/installer - PRODUCT=$1-$TAG.dmg - if test -d "$d"; then - (cd $d;make) - test -f $d/$PRODUCT && mv $d/$PRODUCT ../products - else - echo no $d directory found - fi - shift -done +#!/bin/bash +IFS=" + " +trap 'exit 2' HUP INT PIPE TERM +REV=`grep 'SvnRawRevisionString.*Rev:' "\`dirname $0\`/../platforms/Cross/vm/sqSCCSVersion.h" \ + | sed 's/^.*Rev: $[0-9][0-9]*$ $";/\1/'` +TAG=`date +%g.%U.`$REV +set -- Newspeak\ Virtual\ Machine Newspeak\ Spur\ Virtual\ Machine \ + Cog Cog\ Spur +for td in newspeak.cog.v3 newspeak.cog.spur squeak.cog.v3 squeak.cog.spur; do + d=$td/installer + PRODUCT=$1-$TAG.dmg + if test -d "$d"; then + (cd $d;make) + test -f $d/$PRODUCT && mv $d/$PRODUCT ../products + else + echo no $d directory found + fi + shift +done Modified: branches/Cog/build.macos32x86/newspeak.cog.spur/CoreVM.xcodeproj/project.pbxproj =================================================================== --- branches/Cog/build.macos32x86/newspeak.cog.spur/CoreVM.xcodeproj/project.pbxproj 2014-11-28 20:17:38 UTC (rev 3156) +++ branches/Cog/build.macos32x86/newspeak.cog.spur/CoreVM.xcodeproj/project.pbxproj 2014-12-02 18:02:39 UTC (rev 3157) @@ -1600,7 +1600,7 @@ HAVE_SYS_TIME_H, ); GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS = "$(GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1)"; - GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Newspeak Cog Spur Virtual Machine OS/X 4.0.0\\\"\""; + GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Newspeak Cog Spur Virtual Machine OS/X 5.0.0\\\"\""; GCC_SYMBOLS_PRIVATE_EXTERN = NO; GCC_UNROLL_LOOPS = YES; GCC_VERSION_i386 = 4.2; @@ -1611,7 +1611,7 @@ $SRCROOT, ); ICC_DATA_NO_ALIAS = NO; - ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Newspeak Cog Spur Virtual Machine OS/X 4.0.0\\\"\""; + ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Newspeak Cog Spur Virtual Machine OS/X 5.0.0\\\"\""; ICC_FP_MODEL = src; ICC_LANG_ANSI_OPT = NO; ICC_OPTLEVEL = speedHLO; Modified: branches/Cog/build.macos32x86/newspeak.stack.spur/CoreVM.xcodeproj/project.pbxproj =================================================================== --- branches/Cog/build.macos32x86/newspeak.stack.spur/CoreVM.xcodeproj/project.pbxproj 2014-11-28 20:17:38 UTC (rev 3156) +++ branches/Cog/build.macos32x86/newspeak.stack.spur/CoreVM.xcodeproj/project.pbxproj 2014-12-02 18:02:39 UTC (rev 3157) @@ -1575,7 +1575,7 @@ HAVE_SYS_TIME_H, ); GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS = "$(GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1)"; - GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Newspeak Stack Spur Virtual Machine OS/X 4.0.0\\\"\""; + GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Newspeak Stack Spur Virtual Machine OS/X 5.0.0\\\"\""; GCC_SYMBOLS_PRIVATE_EXTERN = NO; GCC_UNROLL_LOOPS = YES; GCC_VERSION_i386 = 4.2; @@ -1586,7 +1586,7 @@ $SRCROOT, ); ICC_DATA_NO_ALIAS = NO; - ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Newspeak Stack Spur Virtual Machine OS/X 4.0.0\\\"\""; + ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Newspeak Stack Spur Virtual Machine OS/X 5.0.0\\\"\""; ICC_FP_MODEL = src; ICC_LANG_ANSI_OPT = NO; ICC_OPTLEVEL = speedHLO; Modified: branches/Cog/build.macos32x86/squeak.cog.spur/CoreMTVM.xcodeproj/project.pbxproj =================================================================== --- branches/Cog/build.macos32x86/squeak.cog.spur/CoreMTVM.xcodeproj/project.pbxproj 2014-11-28 20:17:38 UTC (rev 3156) +++ branches/Cog/build.macos32x86/squeak.cog.spur/CoreMTVM.xcodeproj/project.pbxproj 2014-12-02 18:02:39 UTC (rev 3157) @@ -1746,7 +1746,7 @@ HAVE_SYS_TIME_H, ); GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS = "$(GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1)"; - GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Squeak Cog Spur MT OS/X 4.0.0\\\"\""; + GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Squeak Cog Spur MT OS/X 5.0.0\\\"\""; GCC_SYMBOLS_PRIVATE_EXTERN = NO; GCC_UNROLL_LOOPS = YES; GCC_VERSION_i386 = 4.2; @@ -1757,7 +1757,7 @@ $SRCROOT, ); ICC_DATA_NO_ALIAS = NO; - ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Squeak Cog Spur MT OS/X 4.0.0\\\"\""; + ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Squeak Cog Spur MT OS/X 5.0.0\\\"\""; ICC_FP_MODEL = src; ICC_LANG_ANSI_OPT = NO; ICC_OPTLEVEL = speedHLO; Modified: branches/Cog/build.macos32x86/squeak.cog.spur/CoreVM.xcodeproj/project.pbxproj =================================================================== --- branches/Cog/build.macos32x86/squeak.cog.spur/CoreVM.xcodeproj/project.pbxproj 2014-11-28 20:17:38 UTC (rev 3156) +++ branches/Cog/build.macos32x86/squeak.cog.spur/CoreVM.xcodeproj/project.pbxproj 2014-12-02 18:02:39 UTC (rev 3157) @@ -1749,7 +1749,7 @@ HAVE_SYS_TIME_H, ); GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS = "$(GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1)"; - GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Squeak Cog Spur Spur OS/X 4.0.0\\\"\""; + GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Squeak Cog Spur Spur OS/X 5.0.0\\\"\""; GCC_SYMBOLS_PRIVATE_EXTERN = NO; GCC_UNROLL_LOOPS = YES; GCC_VERSION_i386 = 4.2; @@ -1760,7 +1760,7 @@ $SRCROOT, ); ICC_DATA_NO_ALIAS = NO; - ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Squeak Cog OS/X 4.0.0\\\"\""; + ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Squeak Cog OS/X 5.0.0\\\"\""; ICC_FP_MODEL = src; ICC_LANG_ANSI_OPT = NO; ICC_OPTLEVEL = speedHLO; Modified: branches/Cog/build.macos32x86/squeak.sista.spur/CoreVM.xcodeproj/project.pbxproj =================================================================== --- branches/Cog/build.macos32x86/squeak.sista.spur/CoreVM.xcodeproj/project.pbxproj 2014-11-28 20:17:38 UTC (rev 3156) +++ branches/Cog/build.macos32x86/squeak.sista.spur/CoreVM.xcodeproj/project.pbxproj 2014-12-02 18:02:39 UTC (rev 3157) @@ -1746,7 +1746,7 @@ HAVE_SYS_TIME_H, ); GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS = "$(GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1)"; - GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Squeak Sista Spur OS/X 4.0.0\\\"\""; + GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Squeak Sista Spur OS/X 5.0.0\\\"\""; GCC_SYMBOLS_PRIVATE_EXTERN = NO; GCC_UNROLL_LOOPS = YES; GCC_VERSION_i386 = 4.2; @@ -1757,7 +1757,7 @@ $SRCROOT, ); ICC_DATA_NO_ALIAS = NO; - ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Squeak Sista Spur OS/X 4.0.0\\\"\""; + ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Squeak Sista Spur OS/X 5.0.0\\\"\""; ICC_FP_MODEL = src; ICC_LANG_ANSI_OPT = NO; ICC_OPTLEVEL = speedHLO; Modified: branches/Cog/build.macos32x86/squeak.stack.spur/CoreVM.xcodeproj/project.pbxproj =================================================================== --- branches/Cog/build.macos32x86/squeak.stack.spur/CoreVM.xcodeproj/project.pbxproj 2014-11-28 20:17:38 UTC (rev 3156) +++ branches/Cog/build.macos32x86/squeak.stack.spur/CoreVM.xcodeproj/project.pbxproj 2014-12-02 18:02:39 UTC (rev 3157) @@ -1725,7 +1725,7 @@ HAVE_SYS_TIME_H, ); GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS = "$(GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1)"; - GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Squeak Stack Spur OS/X 4.0.0\\\"\""; + GCC_PREPROCESSOR_DEFINITIONS_NOT_USED_IN_PRECOMPS_QUOTED_FOR_TARGET_1 = "BUILD_VERSION=\"\\\"Squeak Stack Spur OS/X 5.0.0\\\"\""; GCC_SYMBOLS_PRIVATE_EXTERN = NO; GCC_UNROLL_LOOPS = YES; GCC_VERSION_i386 = 4.2; @@ -1736,7 +1736,7 @@ $SRCROOT, ); ICC_DATA_NO_ALIAS = NO; - ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Squeak Stack Spur OS/X 4.0.0\\\"\""; + ICC_DEFINES = "ILP32=1 _NONSTD_SOURCE $(GCC_PREPROCESSOR_DEFINITIONS) BUILD_VERSION=\"\\\"Squeak Stack Spur OS/X 5.0.0\\\"\""; ICC_FP_MODEL = src; ICC_LANG_ANSI_OPT = NO; ICC_OPTLEVEL = speedHLO; Added: branches/Cog/build.macos64x64/HowToBuild =================================================================== --- branches/Cog/build.macos64x64/HowToBuild (rev 0) +++ branches/Cog/build.macos64x64/HowToBuild 2014-12-02 18:02:39 UTC (rev 3157) @@ -0,0 +1,123 @@ +How To Build On Mac OS X +--------------------- + + +Contents: + - Overview + - Checking out sources to build out-of-the-box + - Building out of the box + - Building the Bochs Support Libraries + - Optimization level and gcc version (please read!) + + +Overview +-------- +The "Cog" VM comes in a bewildering variety of forms. The first distinction +is between Squeak/Croquet VMs that run Squeak, Pharo, Cuis, Croquet images +and their ilk, and between Newspeak VMs that run Newspeak. + +Another distinction is between Stack, Cog and Sista VMs. Stack VMs are those +with context-to-stack mapping that optimise message sending by keeping method +activations on a stack instead of in contexts. These are pure interpreters but +significantly faster than the standard context-based Interpreter VM. Cog VMs +add a JIT to the mix, compiling methods used more than once to maxchine code on +the fly. Sista VMs, as yet unrealised and in development, add support for +adaptive optimization that does speculative inlining at the bytecode-to-bytecode +level. These are targeted for release in 2015. + +Another distinction is between 32-bit and 64-bit Spur VMs. While Spur +has a common object header format common to 32 and 64 bit versions, the 32-bit +version uses 32-bit pointers and immediates, whereas the 64-bit version uses +64-bit pointers and immediates and will only run on 64-bit machines. + +Another distinction is between normal single-threaded VMs that schedule "green" +Smalltalk processes above a single-threaded VM, and "multi-threaded" VMs that +share the VM between any number of native threads such that only one native +thread owns the VM at any one time, switching between threads on FFI calls and +callbacks or on Smalltalk process switches when Smalltalk processes are owned +by threads. This multi-threaded support is as yet experimental. + +The final distinction is between production, assert and debug VMs. Production +VMs are fully optimized, although they may include debugging symbols, and as +their name implies are for use in production. Assert and debug VMs include +many assert checks that are disabled in the production VMs. These asserts are +very helpful in debugging VM problems but significantly impact performance. +The difference between assert and debug VMs is that assert VMs are compiled +with moderate optimization, which improves the performance of the asserts, +whereas debug VMs are compiled with no optimization at all, providing maximum +debuggability with minimum performance. + +This directory tree provides build directories for some of this matrix. For +example, squeak.cog.v3 contains a build directory for Smalltalk Cog VMs using +the old object representation, newspeak.stack.spur contains a build directory +for Newspeak Stack VMs using the Spur object representation. Build as desired. + + +Checking out sources to build out-of-the-box +-------------------------------------------- +Check-out at least the relevant platform sources, vm and plugin sources, +processor sources and the relevant build directories + svn co http://www.squeakvm.org/svn/squeak/branches/Cog/platforms + svn co http://www.squeakvm.org/svn/squeak/branches/Cog/processors + svn co http://www.squeakvm.org/svn/squeak/branches/Cog/build.macos64x64 + svn co http://www.squeakvm.org/svn/squeak/branches/Cog/src etc + (see section "VM source directories" in the root README) + + +Building out of the box +----------------------- +0. As of this writing (June 2014) this Mac build system builds only on 10.6.x +(and probably 10.5.x) using the old Carbon libraries. I plan to build on +Mavericks/Yosemite using John McIntosh's Cocoa platform support files soon. + +1. Install the tools (xcode etc); the CoreVM.xcodeproj is set-up to build + using gcc 4.2 but you can optionally install the Intel C++ compiler 11.1 + and change the compilerSpec in CoreVM.xcodeproj/project.pbxproj to get + better performance. + +2. Either disable the building of the Bochs plugin (see each makevm file, +disabling the lines beginning "# Build the BochsIA32Plugin") or build the +Bochs support libraries (see Building the Bochs Support Libraries below). + +3. cd to the VM configuration of your choice and execute + ./mvm -A +This will build Fast.app, Debug.app and Assert.app applivations containing the +three basic VM configurations. If the configuration includes the multi-threaded +VM you can use mvm -AS to make the single-threaded VMs, mvm -AT to make the +multi-threadeds in FastMT.app et al, and mvm -A to make them all. mvm -d will +make the Debug.app VM, etc. mvm -? provides the gory details. + + +Each build directory contains three files + plugins.int + plugins.ext +On other platforms editing these and making is all one needs to do to change the +set of plugins. Alas on xcode one also has to edit the relevant xcode projects +to add and remove source files. If you're brave enough to contemplate this +you're brave enough to figure out how to do this yourself. + + +Building the Bochs Support Libraries +------------------------------------ +If you want to get the Cog VM simulator working you'll need to build the +BochsIA32Plugin and to build that you'll need to first build bochs. First +check-out the processor simulator source tree containing Bochs: + svn co http://www.squeakvm.org/svn/squeak/branches/Cog/processors +Then build libraries macbochs/{cpu/libcpu.a,disasm/libdisasm.a,fpu/libfpu.a} + $ cd ../processors/IA32/macbochs + $ ./conf.COG + $ ../bochs/makeem + + +Optimization level and gcc version +---------------------------------- +There are issues with gcc version > 4.2.1. Any of the following flags may break the build at -O2: +-ftree-pre +-fpartial-inlining +-fcaller-saves + +They're turned off in the xcode files provided. + + +Eliot Miranda +December 2014 Added: branches/Cog/build.macos64x64/makeall =================================================================== --- branches/Cog/build.macos64x64/makeall (rev 0) +++ branches/Cog/build.macos64x64/makeall 2014-12-02 18:02:39 UTC (rev 3157) @@ -0,0 +1,11 @@ +#!/bin/bash +trap 'exit 2' HUP INT PIPE TERM +for d in newspeak.* squeak.*; do + if test -d "$d"; then + (cd $d;./mvm -A) + else + echo no $d directory found + fi +done +echo no news is good news... +grep 'BUILD FAILED' newspeak.*/LOG* squeak.*/LOG* Property changes on: branches/Cog/build.macos64x64/makeall ___________________________________________________________________ Added: svn:executable + * Added: branches/Cog/build.macos64x64/makeallinstall =================================================================== --- branches/Cog/build.macos64x64/makeallinstall (rev 0) +++ branches/Cog/build.macos64x64/makeallinstall 2014-12-02 18:02:39 UTC (rev 3157) @@ -0,0 +1,20 @@ +#!/bin/bash +IFS=" + " +trap 'exit 2' HUP INT PIPE TERM +REV=`grep 'SvnRawRevisionString.*Rev:' "\`dirname $0\`/../platforms/Cross/vm/sqSCCSVersion.h" \ + | sed 's/^.*Rev: $[0-9][0-9]*$ $";/\1/'` +TAG=`date +%g.%U.`$REV +set -- Newspeak\ Virtual\ Machine Newspeak\ Spur\ Virtual\ Machine \ + Cog Cog\ Spur +for td in newspeak.cog.v3 newspeak.cog.spur squeak.cog.v3 squeak.cog.spur; do + d=$td/installer + PRODUCT=$1-$TAG.dmg + if test -d "$d"; then + (cd $d;make) + test -f $d/$PRODUCT && mv $d/$PRODUCT ../products + else + echo no $d directory found + fi + shift +done Property changes on: branches/Cog/build.macos64x64/makeallinstall ___________________________________________________________________ Added: svn:executable + * Added: branches/Cog/build.macos64x64/makeproduct =================================================================== --- branches/Cog/build.macos64x64/makeproduct (rev 0) +++ branches/Cog/build.macos64x64/makeproduct 2014-12-02 18:02:39 UTC (rev 3157) @@ -0,0 +1,14 @@ +#!/bin/bash +trap 'exit 2' HUP INT PIPE TERM +PRODUCTDIRS="newspeak.cog.spur squeak.cog.spur" +for d in $PRODUCTDIRS; do + if test -d "$d"; then + (cd $d;./mvm -A) + else + echo no $d directory found + fi +done +echo no news is good news... +for d in $PRODUCTDIRS; do + test -d $d && grep 'BUILD FAILED' $d/LOG* +done Property changes on: branches/Cog/build.macos64x64/makeproduct ___________________________________________________________________ Added: svn:executable + * Added: branches/Cog/build.macos64x64/makeproductinstall =================================================================== --- branches/Cog/build.macos64x64/makeproductinstall (rev 0) +++ branches/Cog/build.macos64x64/makeproductinstall 2014-12-02 18:02:39 UTC (rev 3157) @@ -0,0 +1,19 @@ +#!/bin/bash +IFS=" + " +trap 'exit 2' HUP INT PIPE TERM +REV=`grep 'SvnRawRevisionString.*Rev:' "\`dirname $0\`/../platforms/Cross/vm/sqSCCSVersion.h" \ + | sed 's/^.*Rev: $[0-9][0-9]*$ $";/\1/'` +TAG=`date +%g.%U.`$REV +set -- Newspeak\ Virtual\ Machine Newspeak\ Spur\ Virtual\ Machine +for td in newspeak.cog.spur; do + d=$td/installer + PRODUCT=$1-$TAG.dmg + if test -d "$d"; then + (cd $d;make) + test -f $d/$PRODUCT && mv $d/$PRODUCT ../products + else + echo no $d directory found + fi + shift +done Property changes on: branches/Cog/build.macos64x64/makeproductinstall ___________________________________________________________________ Added: svn:executable + * Added: branches/Cog/build.macos64x64/makesista =================================================================== --- branches/Cog/build.macos64x64/makesista (rev 0) +++ branches/Cog/build.macos64x64/makesista 2014-12-02 18:02:39 UTC (rev 3157) @@ -0,0 +1,14 @@ +#!/bin/bash +trap 'exit 2' HUP INT PIPE TERM +DIRS="squeak.sista.spur" +for d in $DIRS; do + if test -d "$d"; then + (cd $d;./mvm -A) + else + echo no $d directory found + fi +done +echo no news is good news... +for d in $DIRS; do + test -d $d && grep 'BUILD FAILED' $d/LOG* +done Property changes on: branches/Cog/build.macos64x64/makesista ___________________________________________________________________ Added: svn:executable + * Added: branches/Cog/build.macos64x64/makespur =================================================================== --- branches/Cog/build.macos64x64/makespur (rev 0) +++ branches/Cog/build.macos64x64/makespur 2014-12-02 18:02:39 UTC (rev 3157) @@ -0,0 +1,14 @@ +#!/bin/bash +trap 'exit 2' HUP INT PIPE TERM +DIRS="newspeak.cog.spur newspeak.stack.spur squeak.cog.spur squeak.sista.spur squeak.stack.spur" +for d in $DIRS; do + if test -d "$d"; then + (cd $d;./mvm -A) + else + echo no $d directory found + fi +done +echo no news is good news... +for d in $DIRS; do + test -d $d && grep 'BUILD FAILED' $d/LOG* +done Property changes on: branches/Cog/build.macos64x64/makespur ___________________________________________________________________ Added: svn:executable + * Added: branches/Cog/build.macos64x64/newspeak.cog.spur/CoreVM.plist =================================================================== --- branches/Cog/build.macos64x64/newspeak.cog.spur/CoreVM.plist (rev 0) +++ branches/Cog/build.macos64x64/newspeak.cog.spur/CoreVM.plist 2014-12-02 18:02:39 UTC (rev 3157) @@ -0,0 +1,233 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> +<plist version="1.0"> +<dict> + <key>CFBundleDevelopmentRegion</key> + <string>English</string> + <key>CFBundleDocumentTypes</key> + <array> + <dict> + <key>CFBundleTypeExtensions</key> + <array> + <string>image</string> + </array> + <key>CFBundleTypeIconFile</key> + <string>Newspeak Virtual Machine.icns</string> + <key>CFBundleTypeName</key> + <string>Newspeak Image File</string> + 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1 0

VM Maker: VMMaker.oscog-eem.961.mcz
by commits＠source.squeak.org 02 Dec '14

02 Dec '14

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.961.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.961 Author: eem Time: 1 December 2014, 6:25:22.92 pm UUID: 005b79a9-dcf2-4df1-a959-696a1a5889d6 Ancestors: VMMaker.oscog-eem.960 Fix StackInterpreter>>isFloatObject: and primitiveVMParameter to use isFloatInstance:. Fix simulation of primitiveSmallFloatTruncated. =============== Diff against VMMaker.oscog-eem.960 =============== Item was changed: ----- Method: InterpreterPrimitives>>primitiveSmallFloatTruncated (in category 'arithmetic float primitives') ----- primitiveSmallFloatTruncated <option: #Spur64BitMemoryManager> | rcvr trunc | <var: #rcvr type: #double> <var: #trunc type: #double> + rcvr := objectMemory smallFloatValueOf: self stackTop. - rcvr := self smallFloatValueOf: self stackTop. self cCode: [self mod: rcvr f: (self addressOf: trunc)] inSmalltalk: [trunc := rcvr truncated]. (trunc between: objectMemory minSmallInteger asFloat and: objectMemory maxSmallInteger asFloat) ifTrue: [self pop: 1 thenPushInteger: trunc asInteger] ifFalse: [self primitiveFail]! Item was changed: ----- Method: StackInterpreter>>isFloatObject: (in category 'internal interpreter access') ----- isFloatObject: oop + <api> + <inline: true> + ^objectMemory isFloatInstance: oop! - ^(objectMemory isNonImmediate: oop) - and: [ClassFloatCompactIndex = (objectMemory compactClassIndexOf: oop)]! Item was changed: ----- Method: StackInterpreterPrimitives>>primitiveVMParameter (in category 'system control primitives') ----- (excessive size, no diff calculated)

1 0

VM Maker: Cog-eem.228.mcz
by commits＠source.squeak.org 02 Dec '14

02 Dec '14

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!

1 0

VM Maker: VMMaker.oscog-eem.960.mcz
by commits＠source.squeak.org 02 Dec '14

02 Dec '14

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.960.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.960 Author: eem Time: 1 December 2014, 4:11:42.232 pm UUID: 1b13b4c0-c9f8-4441-a0fa-08b7cd13a92a Ancestors: VMMaker.oscog-eem.959 Add some SmallFloat64 tests. Hence fix isSmallFloatValue: for simulation. =============== Diff against VMMaker.oscog-eem.959 =============== Item was changed: ----- Method: Spur64BitMemoryManager>>isSmallFloatValue: (in category 'interpreter access') ----- isSmallFloatValue: aFloat <inline: true> <var: #aFloat type: #double> | exponent | exponent := self cCode: [| rawFloat | rawFloat := (self cCoerce: (self addressOf: aFloat) to: 'sqLong *') at: 0. rawFloat >> 52 bitAnd: 16r7FF] + inSmalltalk: [self smallFloatExponentOffset + + (aFloat isFinite + ifTrue: + [aFloat = 0.0 + ifTrue: [0] + ifFalse: [aFloat exponent + 127]] + ifFalse: "Float nan & Float infinity exponent = -1, so mask to make > 0" + [aFloat exponent bitAnd: SmallInteger maxVal])]. + ^exponent + between: self smallFloatExponentOffset + and: 255 + self smallFloatExponentOffset! - inSmalltalk: [aFloat exponent]. - ^exponent between: -127 and: 127! Item was added: + ----- Method: StackInterpreterTests>>testImmediateFloats (in category 'tests') ----- + testImmediateFloats + "self new testImmediateFloats" + | vm smm smallFloatOop | + vm := StackInterpreterSimulator newWithOptions: #(ObjectMemory Spur64BitMemoryManager). + smm := vm objectMemory. + #(0.0 -0.0 1.0e38 -1.0e38 1.0e-38 -1.0e-38 2.0 -2.0) do: + [:f| | sfo | + vm initPrimCall. + self shouldnt: [sfo := smm smallFloatObjectOf: f] raise: Error. + self assert: (smm smallFloatValueOf: sfo) equals: f. + self assert: ((smm exponentOfSmallFloat: sfo) between: -126 and: 127)]. + {Float nan. Float infinity. Float negativeInfinity. 1.0e-39. 1.0e39 } do: + [:f| self deny: (smm isSmallFloatValue: f)]. + vm initPrimCall. + smallFloatOop := smm smallFloatTag + (1 << (smm smallFloatMantissaBits + smm numTagBits)). + self shouldnt: [smm floatValueOf: smallFloatOop] raise: Error. + self deny: vm failed. + self assert: (smm isSmallFloatValue: (smm floatValueOf: smallFloatOop)). + self assert: (smm floatObjectOf: (smm floatValueOf: smallFloatOop)) equals: smallFloatOop. + vm initPrimCall. + smallFloatOop := ((1 bitShift: 64) - 1 bitClear: (1 bitShift: smm numTagBits + 1) - 1) + smm smallFloatTag. + self shouldnt: [smm floatValueOf: smallFloatOop] raise: Error. + self deny: vm failed. + self assert: (smm isSmallFloatValue: (smm floatValueOf: smallFloatOop)). + self assert: (smm floatObjectOf: (smm floatValueOf: smallFloatOop)) equals: smallFloatOop!

1 0

VM Maker: Cog-eem.227.mcz
by commits＠source.squeak.org 01 Dec '14

01 Dec '14

Eliot Miranda uploaded a new version of Cog to project VM Maker: http://source.squeak.org/VMMaker/Cog-eem.227.mcz ==================== Summary ==================== Name: Cog-eem.227 Author: eem Time: 1 December 2014, 2:50:52.285 pm UUID: c52513f1-5ea1-496b-8966-10a77e52828e Ancestors: Cog-eem.226 ...and classify those puppies: Behavior>>#isCompiledMethodClass is unclassified SmallFloat64>>#clone is unclassified =============== Diff against Cog-eem.226 =============== Item was changed: ----- Method: SpurBootstrap class>>categoryForClass:meta:selector: (in category 'method prototype categorization') ----- categoryForClass: className meta: isMeta selector: selector ^(isMeta ifTrue: [{ className. #class. selector }] ifFalse: [{ className. selector }]) caseOf: { [#(Behavior allInstancesOrNil)] -> [#enumerating]. [#(Behavior byteSizeOfInstance)] -> [#'accessing instances and variables']. [#(Behavior byteSizeOfInstanceOfSize:)] -> [#'accessing instances and variables']. [#(Behavior elementSize)] -> [#'accessing instances and variables']. [#(Behavior handleFailingBasicNew)] -> [#private]. [#(Behavior handleFailingBasicNew:)] -> [#private]. [#(Behavior handleFailingFailingBasicNew)] -> [#private]. [#(Behavior handleFailingFailingBasicNew:)] -> [#private]. [#(Behavior identityHash)] -> [#comparing]. + [#(Behavior isCompiledMethodClass)] -> [#testing]. [#(Behavior isEphemeronClass)] -> [#testing]. [#(Behavior isImmediateClass)] -> [#testing]. [#(BoxedFloat64 class basicNew)] -> [#'instance creation']. [#(BoxedFloat64 class basicNew:)] -> [#'instance creation']. [#(Character identityHash)] -> [#comparing]. [#(Character setValue:)] -> [#accessing]. [#(Class immediateSubclass:instanceVariableNames:classVariableNames:poolDictionaries:category:)] -> [#'subclass creation']. [#(ClassBuilder superclass:immediateSubclass:instanceVariableNames:classVariableNames:poolDictionaries:category:)] -> [#public]. [#(CompiledMethod bytecodeSetName)] -> [#accessing]. [#(CompiledMethod class handleFailingFailingNewMethod:header:)] -> [#private]. [#(CompiledMethod class handleFailingNewMethod:header:)] -> [#private]. [#(CompiledMethod class headerFlagForEncoder:)] -> [#'method encoding']. [#(CompiledMethod class installPrimaryBytecodeSet:)] -> [#'class initialization']. [#(CompiledMethod class installSecondaryBytecodeSet:)] -> [#'class initialization']. [#(Context class allInstances)] -> [#enumerating]. [#(Context class allInstancesDo:)] -> [#enumerating]. [#(Context failPrimitiveWith:)] -> [#'system simulation']. [#(Context isPrimFailToken:)] -> [#private]. [#(Context send:to:with:lookupIn:)] -> [#controlling]. [#(ContextPart isPrimFailToken:)] -> [#private]. [#(ContextPart send:to:with:lookupIn:)] -> [#controlling]. [#(EncoderForV3 computeMethodHeaderForNumArgs:numTemps:numLits:primitive:)] -> [#'method encoding']. [#(EncoderForV3PlusClosures genCallPrimitive:)] -> [#'bytecode generation']. [#(EncoderForV3PlusClosures class callPrimitiveCode)] -> [#'bytecode decoding']. [#(MethodContext failPrimitiveWith:)] -> [#'system simulation']. [#(MethodContext class allInstances)] -> [#enumerating]. [#(MethodContext class allInstancesDo:)] -> [#enumerating]. [#(SmallFloat64 class basicNew)] -> [#'instance creation']. [#(SmallFloat64 class basicNew:)] -> [#'instance creation']. + [#(SmallFloat64 clone)] -> [#copying]. [#(SmallFloat64 copy)] -> [#copying]. [#(SmallFloat64 deepCopy)] -> [#copying]. [#(SmallFloat64 shallowCopy)] -> [#copying]. [#(SmallFloat64 veryDeepCopyWith:)] -> [#copying]. [#(SmallInteger asCharacter)] -> [#converting]. [#(SmalltalkImage growMemoryByAtLeast:)] -> [#'memory space']. [#(SmalltalkImage maxIdentityHash)] -> [#'system attributes']. [#(SystemDictionary growMemoryByAtLeast:)] -> [#'memory space']. [#(SystemDictionary maxIdentityHash)] -> [#'system attributes']. [#(SystemDictionary setGCParameters)] -> [#'snapshot and quit']. [#(SystemNavigation allObjects)] -> [#query]. [#(SystemNavigation allObjectsOrNil)] -> [#query]. } otherwise: [Transcript nextPutAll: className. isMeta ifTrue: [Transcript nextPutAll: ' class']. Transcript nextPutAll: '>>'; store: selector; nextPutAll: ' is unclassified'; cr; flush. ^Categorizer default]!

1 0

VM Maker: Cog-eem.226.mcz
by commits＠source.squeak.org 01 Dec '14

01 Dec '14

Eliot Miranda uploaded a new version of Cog to project VM Maker: http://source.squeak.org/VMMaker/Cog-eem.226.mcz ==================== Summary ==================== Name: Cog-eem.226 Author: eem Time: 1 December 2014, 2:37:45.387 pm UUID: c30f1c01-ee25-4738-b82f-fef59c42de24 Ancestors: Cog-eem.225 Spur Bootstrap: Provide missing SmallFloat64 clone override and provide a consistent comment for SmallInteger's. Provide an Object>>clone that copes with need to GC when memory is low. =============== Diff against Cog-eem.225 =============== Item was added: + ----- Method: SpurBootstrapPrototypes>>BehaviorPROTOTYPEisCompiledMethodClass (in category 'method prototypes') ----- + BehaviorPROTOTYPEisCompiledMethodClass + "Answer whether the receiver has compiled method instances that mix pointers and bytes." + ^self instSpec >= 24! Item was added: + ----- Method: SpurBootstrapPrototypes>>ObjectPROTOTYPEclone (in category 'method prototypes') ----- + ObjectPROTOTYPEclone + "Answer a shallow copy of the receiver." + <primitive: 148 error: ec> + | class newObject | + ec == #'insufficient object memory' ifFalse: + [^self primitiveFailed]. + "If the primitive fails due to insufficient memory, instantiate via basicNew: to invoke + the garbage collector before retrying, and use copyFrom: to copy state." + newObject := (class := self class) isVariable + ifTrue: + [class isCompiledMethodClass + ifTrue: + [class newMethod: self basicSize - self initialPC + 1 header: self header] + ifFalse: + [class basicNew: self basicSize]] + ifFalse: + [class basicNew]. + ^newObject copyFrom: self! Item was added: + ----- Method: SpurBootstrapPrototypes>>SmallFloat64PROTOTYPEclone (in category 'method prototypes') ----- + SmallFloat64PROTOTYPEclone + "Answer the receiver, because SmallFloat64s are unique." + ^self! Item was added: + ----- Method: SpurBootstrapSqueakPrototypes>>SmallIntegerPROTOTYPEclone (in category 'method prototypes') ----- + SmallIntegerPROTOTYPEclone + "Answer the receiver, because SmallIntegers are unique." + ^self!

1 0

VM Maker: VMMaker.oscog-eem.959.mcz
by commits＠source.squeak.org 01 Dec '14

01 Dec '14

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.959.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.959 Author: eem Time: 1 December 2014, 2:34:28.523 pm UUID: e20df829-a81a-4af0-ab05-a80eb5730705 Ancestors: VMMaker.oscog-eem.958 Reimplement primitiveCopyObject to work for both pointer and bits objects. This to support a good Object>>clone for Spur. Fix shortPrint: and simulated use of dbgFloatValueOf:, moving it to the ObjectMemory hierarchy. Fix Spur's isWordsOrBytes[NonImm]:. =============== Diff against VMMaker.oscog-eem.958 =============== Item was removed: - ----- Method: CogVMSimulator>>shortPrint: (in category 'debug support') ----- - shortPrint: oop - | name classOop | - (objectMemory isImmediate: oop) ifTrue: - [(objectMemory isImmediateCharacter: oop) ifTrue: - [^(objectMemory characterValueOf: oop) < 256 - ifTrue: - ['=$' , (objectMemory characterValueOf: oop) printString , - ' (' , (String with: (Character value: (objectMemory characterValueOf: oop))) , ')'] - ifFalse: - ['=$' , (objectMemory characterValueOf: oop) printString, '(???)']]. - (objectMemory isIntegerObject: oop) ifTrue: - [^ '=' , (objectMemory integerValueOf: oop) printString , - ' (' , (objectMemory integerValueOf: oop) hex , ')']. - ^'= UNKNOWN IMMEDIATE', ' (' , (objectMemory integerValueOf: oop) hex , ')']. - (objectMemory addressCouldBeObj: oop) ifFalse: - [^(oop bitAnd: objectMemory allocationUnit - 1) ~= 0 - ifTrue: [' is misaligned'] - ifFalse: [self whereIs: oop]]. - (objectMemory isFreeObject: oop) ifTrue: - [^' is a free chunk of size ', (objectMemory sizeOfFree: oop) printString]. - (objectMemory isForwarded: oop) ifTrue: - [^' is a forwarded object to ', (objectMemory followForwarded: oop) hex, - ' of slot size ', (objectMemory numSlotsOfAny: oop) printString]. - classOop := objectMemory fetchClassOfNonImm: oop. - (objectMemory numSlotsOf: classOop) = metaclassNumSlots ifTrue: - [^'class ' , (self nameOfClass: oop)]. - name := self nameOfClass: classOop. - name size = 0 ifTrue: [name := '??']. - name = 'String' ifTrue: [^ (self stringOf: oop) printString]. - name = 'ByteString' ifTrue: [^ (self stringOf: oop) printString]. - name = 'Symbol' ifTrue: [^ '#' , (self stringOf: oop)]. - name = 'ByteSymbol' ifTrue: [^ '#' , (self stringOf: oop)]. - name = 'Character' ifTrue: "SpurMemoryManager has immediate Characters; ObjectMemory does not" - [^ '=' , (Character value: (objectMemory integerValueOf: - (objectMemory fetchPointer: 0 ofObject: oop))) printString]. - name = 'UndefinedObject' ifTrue: [^ 'nil']. - name = 'False' ifTrue: [^ 'false']. - name = 'True' ifTrue: [^ 'true']. - name = 'Float' ifTrue: [^ '=' , (self dbgFloatValueOf: oop) printString]. - "Try to spot association-like things; they're all subclasses of LookupKey" - ((objectMemory isPointersNonImm: oop) - and: [((objectMemory instanceSizeOf: classOop) between: ValueIndex + 1 and: ValueIndex + 2) - and: [(objectMemory isBytes: (objectMemory fetchPointer: KeyIndex ofObject: oop))]]) ifTrue: - [| classLookupKey | - classLookupKey := objectMemory fetchClassOfNonImm: (objectMemory splObj: SchedulerAssociation). - [classLookupKey = objectMemory nilObject ifTrue: - [^(('AEIOU' includes: name first) ifTrue: ['an '] ifFalse: ['a ']), name]. - (objectMemory instanceSizeOf: classLookupKey) = (KeyIndex + 1)] whileFalse: - [classLookupKey := self superclassOf: classLookupKey]. - (self includesBehavior: classOop ThatOf: classLookupKey) ifTrue: - [^(('AEIOU' includes: name first) ifTrue: ['an '] ifFalse: ['a ']), name, - ' ', (self shortPrint: (objectMemory fetchPointer: KeyIndex ofObject: oop)), - ' -> ', - (objectMemory fetchPointer: ValueIndex ofObject: oop) hex8]]. - ^(('AEIOU' includes: name first) ifTrue: ['an '] ifFalse: ['a ']), name! Item was added: + ----- Method: InterpreterPrimitives>>isAppropriateForCopyObject: (in category 'object access primitives') ----- + isAppropriateForCopyObject: oop + ^objectMemory isPointersNonImm: oop! Item was changed: ----- Method: InterpreterPrimitives>>primitiveCopyObject (in category 'object access primitives') ----- primitiveCopyObject "Primitive. Copy the state of the receiver from the argument. + Fail if receiver and argument are of a different class. + Fail if the receiver or argument are contexts (because of context-to-stack mapping). - Fail if receiver and argument are of a different class. - Fail if the receiver or argument are non-pointer objects. Fail if receiver and argument have different lengths (for indexable objects). + Fail if the objects are not in a fit state to be copied (e.g. married contexts and Cogged methods)" - " | rcvr arg length | + self methodArgumentCount >= 1 ifFalse: + [^self primitiveFailFor: PrimErrBadNumArgs]. + arg := self stackTop. + rcvr := self stackValue: 1. + (objectMemory isImmediate: rcvr) ifTrue: + [^self primitiveFailFor: PrimErrBadReceiver]. + (objectMemory isImmediate: arg) ifTrue: + [^self primitiveFailFor: PrimErrBadArgument]. - self methodArgumentCount = 1 ifFalse: - [^self primitiveFail]. - arg := self stackObjectValue: 0. - rcvr := self stackObjectValue: 1. + (objectMemory fetchClassTagOfNonImm: rcvr) + ~= (objectMemory fetchClassTagOfNonImm: arg) ifTrue: + [^self primitiveFailFor: PrimErrBadArgument]. - self failed ifTrue:[^nil]. - (objectMemory isPointers: rcvr) ifFalse: - [^self primitiveFail]. - (objectMemory fetchClassOfNonImm: rcvr) = (objectMemory fetchClassOfNonImm: arg) ifFalse: - [^self primitiveFail]. - length := objectMemory lengthOf: rcvr. - length = (objectMemory lengthOf: arg) ifFalse: - [^self primitiveFail]. - - "Now copy the elements" - 0 to: length-1 do:[:i| - objectMemory storePointer: i ofObject: rcvr withValue: (objectMemory fetchPointer: i ofObject: arg)]. + (objectMemory isWordsOrBytesNonImm: rcvr) + ifTrue: + [length := objectMemory numBytesOf: rcvr. + ((objectMemory formatOf: rcvr) = (objectMemory formatOf: arg) + and: [length = (objectMemory numBytesOf: arg)]) ifFalse: + [^self primitiveFailFor: PrimErrBadArgument]. + self mem: rcvr + objectMemory baseHeaderSize + cp: arg + objectMemory baseHeaderSize + y: length] + ifFalse: + [(self isAppropriateForCopyObject: rcvr) ifFalse: + [^self primitiveFailFor: PrimErrBadReceiver]. + length := objectMemory numSlotsOf: rcvr. + ((self isAppropriateForCopyObject: arg) + and: [length = (objectMemory lengthOf: arg)]) ifFalse: + [^self primitiveFailFor: PrimErrBadArgument]. + 0 to: length - 1 do: + [:i| + objectMemory + storePointer: i + ofObject: rcvr + withValue: (objectMemory fetchPointer: i ofObject: arg)]]. + "Note: The above could be faster for young receivers but I don't think it'll matter" + self pop: self methodArgumentCount "pop arg; answer receiver"! - self pop: 1. "pop arg; answer receiver" - ! Item was added: + ----- Method: NewObjectMemory>>dbgFloatValueOf: (in category 'interpreter access') ----- + dbgFloatValueOf: oop + "Answer the C double precision floating point value of the argument, + or if it is not, answer 0." + + | isFloat result | + <returnTypeC: #double> + <var: #result type: #double> + isFloat := self isFloatInstance: oop. + isFloat ifTrue: + [self cCode: '' inSmalltalk: [result := Float new: 2]. + self fetchFloatAt: oop + self baseHeaderSize into: result. + ^result]. + ^0.0! Item was removed: - ----- Method: NewspeakInterpreter>>dbgFloatValueOf: (in category 'utilities') ----- - dbgFloatValueOf: oop - "This version answers the value of a float or nil if not a flat *WITHOUT* setting successFlag or any other such nonsense. It is hence safe for use in debug printing. Sheesh." - - | result | - <returnTypeC: #double> - <var: #result type: #double> - self flag: #Dan. "None of the float stuff has been converted for 64 bits" - ((self isNonIntegerObject: oop) - and: [(self fetchClassOfNonImm: oop) = (self splObj: ClassFloat)]) ifTrue: - [self cCode: '' inSmalltalk: [result := Float new: 2]. - self fetchFloatAt: oop + self baseHeaderSize into: result. - ^result]. - ^nil! Item was added: + ----- Method: ObjectMemory>>dbgFloatValueOf: (in category 'interpreter access') ----- + dbgFloatValueOf: oop + "Answer the C double precision floating point value of the argument, + or if it is not, answer 0." + + | isFloat result | + <returnTypeC: #double> + <var: #result type: #double> + isFloat := self isFloatInstance: oop. + isFloat ifTrue: + [self cCode: '' inSmalltalk: [result := Float new: 2]. + self fetchFloatAt: oop + self baseHeaderSize into: result. + ^result]. + ^0.0! Item was added: + ----- Method: ObjectMemory>>isImmediateFloat: (in category 'interpreter access') ----- + isImmediateFloat: oop + ^false! Item was added: + ----- Method: Spur32BitMemoryManager>>dbgFloatValueOf: (in category 'interpreter access') ----- + dbgFloatValueOf: oop + "Answer the C double precision floating point value of the argument, + or if it is not, answer 0." + + | isFloat result | + <returnTypeC: #double> + <var: #result type: #double> + isFloat := self isFloatInstance: oop. + isFloat ifTrue: + [self cCode: '' inSmalltalk: [result := Float new: 2]. + self fetchFloatAt: oop + self baseHeaderSize into: result. + ^result]. + ^0.0! Item was added: + ----- Method: Spur32BitMemoryManager>>isImmediateFloat: (in category 'interpreter access') ----- + isImmediateFloat: oop + ^false! Item was added: + ----- Method: Spur64BitMemoryManager>>dbgFloatValueOf: (in category 'interpreter access') ----- + dbgFloatValueOf: oop + "Answer the C double precision floating point value of the argument, + or if it is not, answer 0." + + | result tagBits | + <returnTypeC: #double> + <var: #result type: #double> + (tagBits := oop bitAnd: self tagMask) ~= 0 + ifTrue: + [tagBits = self smallFloatTag ifTrue: + [^self smallFloatValueOf: oop]] + ifFalse: + [(self classIndexOf: oop) = ClassFloatCompactIndex ifTrue: + [self cCode: '' inSmalltalk: [result := Float new: 2]. + self fetchFloatAt: oop + self baseHeaderSize into: result. + ^result]]. + ^0.0! Item was added: + ----- Method: Spur64BitMemoryManager>>isImmediateFloat: (in category 'interpreter access') ----- + isImmediateFloat: oop + <inline: true> + ^(oop bitAnd: self tagMask) = self smallFloatTag! Item was added: + ----- Method: SpurMemoryManager>>dbgFloatValueOf: (in category 'interpreter access') ----- + dbgFloatValueOf: oop + "Answer the C double precision floating point value of the argument, + or if it is not, answer 0." + + self subclassResponsibility! Item was changed: ----- Method: SpurMemoryManager>>isCompiledMethod: (in category 'object testing') ----- isCompiledMethod: objOop "Answer whether the argument object is of compiled method format" <api> + ^(self formatOf: objOop) >= self firstCompiledMethodFormat! - ^(self formatOf: objOop) >= 24! Item was added: + ----- Method: SpurMemoryManager>>isImmediateFloat: (in category 'interpreter access') ----- + isImmediateFloat: oop + self subclassResponsibility! Item was changed: ----- Method: SpurMemoryManager>>isWordsOrBytes: (in category 'object testing') ----- isWordsOrBytes: oop + "Answer if the contains only indexable words or bytes (no oops). See comment in formatOf:" + "Note: Excludes CompiledMethods." ^(self isNonImmediate: oop) and: [self isWordsOrBytesNonImm: oop]! Item was changed: ----- Method: SpurMemoryManager>>isWordsOrBytesNonImm: (in category 'object testing') ----- isWordsOrBytesNonImm: objOop + "Answer if the contains only indexable words or bytes (no oops). See comment in formatOf:" + "Note: Excludes CompiledMethods." + ^self isPureBitsFormat: (self formatOf: objOop)! - ^(self formatOf: objOop) >= self sixtyFourBitIndexableFormat! Item was removed: - ----- Method: StackInterpreter>>dbgFloatValueOf: (in category 'utilities') ----- - dbgFloatValueOf: oop - "This version answers the value of a float or nil if not a flat *WITHOUT* setting successFlag or any other such nonsense. It is hence safe for use in debug printing. Sheesh." - - | result | - <returnTypeC: #double> - <var: #result type: #double> - self flag: #Dan. "None of the float stuff has been converted for 64 bits" - ((objectMemory isNonImmediate: oop) - and: [(objectMemory fetchClassOfNonImm: oop) = (objectMemory splObj: ClassFloat)]) ifTrue: - [self cCode: '' inSmalltalk: [result := Float new: 2]. - objectMemory fetchFloatAt: oop + objectMemory baseHeaderSize into: result. - ^result]. - ^nil! Item was changed: ----- Method: StackInterpreter>>printOop: (in category 'debug printing') ----- printOop: oop | cls fmt lastIndex startIP bytecodesPerLine column | <inline: false> (objectMemory isImmediate: oop) ifTrue: [^self shortPrintOop: oop]. self printHex: oop. (objectMemory addressCouldBeObj: oop) ifFalse: [^self print: ((oop bitAnd: objectMemory allocationUnit - 1) ~= 0 ifTrue: [' is misaligned'] ifFalse: [self whereIs: oop]); cr]. (objectMemory isFreeObject: oop) ifTrue: [^self print: ' is a free chunk of size '; printNum: (objectMemory sizeOfFree: oop); cr]. (objectMemory isForwarded: oop) ifTrue: [^self print: ' is a forwarded object to '; printHex: (objectMemory followForwarded: oop); print: ' of slot size '; printNum: (objectMemory numSlotsOfAny: oop); cr]. self print: ': a(n) '. self printNameOfClass: (cls := objectMemory fetchClassOfNonImm: oop) count: 5. cls = (objectMemory splObj: ClassFloat) ifTrue: + [^self cr; printFloat: (objectMemory dbgFloatValueOf: oop); cr]. - [^self cr; printFloat: (self dbgFloatValueOf: oop); cr]. fmt := objectMemory formatOf: oop. fmt > objectMemory lastPointerFormat ifTrue: [self print: ' nbytes '; printNum: (objectMemory numBytesOf: oop)]. self cr. (fmt between: objectMemory firstLongFormat and: objectMemory firstCompiledMethodFormat - 1) ifTrue: ["This will answer false if splObj: ClassAlien is nilObject" (self is: oop KindOfClass: (objectMemory splObj: ClassAlien)) ifTrue: [self print: ' datasize '; printNum: (self sizeOfAlienData: oop). self print: ((self isIndirectAlien: oop) ifTrue: [' indirect @ '] ifFalse: [(self isPointerAlien: oop) ifTrue: [' pointer @ '] ifFalse: [' direct @ ']]). ^self printHex: (self startOfAlienData: oop) asUnsignedInteger; cr]. (objectMemory isWords: oop) ifTrue: [lastIndex := 64 min: ((objectMemory numBytesOf: oop) / objectMemory wordSize). lastIndex > 0 ifTrue: [1 to: lastIndex do: [:index| self space; printHex: (objectMemory fetchLong32: index - 1 ofObject: oop). (index \\ self elementsPerPrintOopLine) = 0 ifTrue: [self cr]]. (lastIndex \\ self elementsPerPrintOopLine) = 0 ifFalse: [self cr]]. ^self]. ^self printStringOf: oop; cr]. "this is nonsense. apologies." startIP := (objectMemory lastPointerOf: oop) + objectMemory bytesPerOop - objectMemory baseHeaderSize / objectMemory bytesPerOop. lastIndex := 256 min: startIP. lastIndex > 0 ifTrue: [1 to: lastIndex do: [:index| self cCode: [self printHex: (objectMemory fetchPointer: index - 1 ofObject: oop); space] inSmalltalk: [self space; printHex: (objectMemory fetchPointer: index - 1 ofObject: oop); space. self print: (self shortPrint: (objectMemory fetchPointer: index - 1 ofObject: oop))]. (index \\ self elementsPerPrintOopLine) = 0 ifTrue: [self cr]]. (lastIndex \\ self elementsPerPrintOopLine) = 0 ifFalse: [self cr]]. (objectMemory isCompiledMethod: oop) ifFalse: [startIP > 64 ifTrue: [self print: '...'; cr]] ifTrue: [startIP := startIP * objectMemory wordSize + 1. lastIndex := objectMemory lengthOf: oop. lastIndex - startIP > 100 ifTrue: [lastIndex := startIP + 100]. bytecodesPerLine := 8. column := 1. startIP to: lastIndex do: [:index| | byte | column = 1 ifTrue: [self cCode: 'printf("0x%08x: ", oop+BaseHeaderSize+index-1)' inSmalltalk: [self print: (oop+objectMemory baseHeaderSize+index-1) hex; print: ': ']]. byte := objectMemory fetchByte: index - 1 ofObject: oop. self cCode: 'printf(" %02x/%-3d", byte,byte)' inSmalltalk: [self space; print: (byte radix: 16); printChar: $/; printNum: byte]. column := column + 1. column > bytecodesPerLine ifTrue: [column := 1. self cr]]. column = 1 ifFalse: [self cr]]! Item was changed: ----- Method: StackInterpreter>>printOopShortInner: (in category 'debug printing') ----- printOopShortInner: oop | classOop name nameLen | <var: #name type: #'char *'> <inline: true> (objectMemory isImmediate: oop) ifTrue: [(objectMemory isImmediateCharacter: oop) ifTrue: [^self printChar: $$; printChar: (objectMemory characterValueOf: oop); printChar: $(; printHex: (objectMemory integerValueOf: oop); printChar: $)]. ^self printNum: (objectMemory integerValueOf: oop); printChar: $(; printHex: (objectMemory integerValueOf: oop); printChar: $)]. (objectMemory addressCouldBeObj: oop) ifFalse: [^self print: ((oop bitAnd: objectMemory allocationUnit - 1) ~= 0 ifTrue: [' is misaligned'] ifFalse: [self whereIs: oop])]. (objectMemory isFreeObject: oop) ifTrue: [^self print: ' is a free chunk']. (objectMemory isForwarded: oop) ifTrue: [^self print: ' is a forwarder to '; printHex: (objectMemory followForwarded: oop)]. (self isFloatObject: oop) ifTrue: + [^self printFloat: (objectMemory dbgFloatValueOf: oop)]. - [^self printFloat: (self dbgFloatValueOf: oop)]. classOop := objectMemory fetchClassOfNonImm: oop. (objectMemory addressCouldBeObj: classOop) ifFalse: [^self print: 'a ??']. (objectMemory numSlotsOf: classOop) = metaclassNumSlots ifTrue: [^self printNameOfClass: oop count: 5]. oop = objectMemory nilObject ifTrue: [^self print: 'nil']. oop = objectMemory trueObject ifTrue: [^self print: 'true']. oop = objectMemory falseObject ifTrue: [^self print: 'false']. nameLen := self lengthOfNameOfClass: classOop. nameLen = 0 ifTrue: [^self print: 'a ??']. name := self nameOfClass: classOop. nameLen = 10 ifTrue: [(self str: name n: 'ByteString' cmp: 10) = 0 "strncmp is weird" ifTrue: [^self printChar: $'; printStringOf: oop; printChar: $']. (self str: name n: 'ByteSymbol' cmp: 10) = 0 "strncmp is weird" ifTrue: [self printChar: $#; printStringOf: oop. ^self]]. (nameLen = 9 and: [(self str: name n: 'Character' cmp: 9) = 0]) ifTrue: [^self printChar: $$; printChar: (objectMemory integerValueOf: (objectMemory fetchPointer: 0 ofObject: oop))]. self print: 'a(n) '. self cCode: [0 to: nameLen - 1 do: [:i| self printChar: (name at: i)]] inSmalltalk: [name isString ifTrue: [self print: name] ifFalse: [0 to: nameLen - 1 do: [:i| self printChar: (name at: i)]]]. "Try to spot association-like things; they're all subclasses of LookupKey" ((objectMemory isPointersNonImm: oop) and: [(objectMemory instanceSizeOf: classOop) = (ValueIndex + 1) and: [(objectMemory isBytes: (objectMemory fetchPointer: KeyIndex ofObject: oop))]]) ifTrue: [| classLookupKey | classLookupKey := objectMemory fetchClassOfNonImm: (objectMemory splObj: SchedulerAssociation). [classLookupKey = objectMemory nilObject ifTrue: [^self]. (objectMemory instanceSizeOf: classLookupKey) = (KeyIndex + 1)] whileFalse: [classLookupKey := self superclassOf: classLookupKey]. (self includesBehavior: classOop ThatOf: classLookupKey) ifTrue: [self space; printOopShort: (objectMemory fetchPointer: KeyIndex ofObject: oop); print: ' -> '; printHex: (objectMemory fetchPointer: ValueIndex ofObject: oop)]]! Item was added: + ----- Method: StackInterpreter>>shortPrint: (in category 'simulation') ----- + shortPrint: oop + <doNotGenerate> + | name classOop | + (objectMemory isImmediate: oop) ifTrue: + [(objectMemory isImmediateCharacter: oop) ifTrue: + [^(objectMemory characterValueOf: oop) < 256 + ifTrue: + ['=$', (objectMemory characterValueOf: oop) printString, + ' (', (String with: (Character value: (objectMemory characterValueOf: oop))), ')'] + ifFalse: + ['=$', (objectMemory characterValueOf: oop) printString, '(???)']]. + (objectMemory isIntegerObject: oop) ifTrue: + [^'=', (objectMemory integerValueOf: oop) printString, + ' (', (objectMemory integerValueOf: oop) hex, ')']. + (objectMemory isImmediateFloat: oop) ifTrue: + [^ '=', (objectMemory floatValueOf: oop) printString, ' (', oop hex, ')']. + ^'= UNKNOWN IMMEDIATE', ' (', (objectMemory integerValueOf: oop) hex, ')']. + (objectMemory addressCouldBeObj: oop) ifFalse: + [^(oop bitAnd: objectMemory allocationUnit - 1) ~= 0 + ifTrue: [' is misaligned'] + ifFalse: [self whereIs: oop]]. + (objectMemory isFreeObject: oop) ifTrue: + [^' is a free chunk of size ', (objectMemory sizeOfFree: oop) printString]. + (objectMemory isForwarded: oop) ifTrue: + [^' is a forwarded object to ', (objectMemory followForwarded: oop) hex, + ' of slot size ', (objectMemory numSlotsOfAny: oop) printString]. + (objectMemory isFloatInstance: oop) ifTrue: + [^'=', (objectMemory dbgFloatValueOf: oop) printString]. + oop = objectMemory nilObject ifTrue: + [^'nil']. + oop = objectMemory falseObject ifTrue: + [^'false']. + oop = objectMemory trueObject ifTrue: + [^'true']. + + classOop := objectMemory fetchClassOfNonImm: oop. + ((self objCouldBeClassObj: oop) + and: [(objectMemory numSlotsOf: classOop) = metaclassNumSlots]) ifTrue: + [^'class ', (self nameOfClass: oop)]. + name := self nameOfClass: classOop. + name size = 0 ifTrue: [name := '??']. + (#('String' 'ByteString') includes: name) ifTrue: + [^(self stringOf: oop) printString]. + (#('Symbol' 'ByteSymbol') includes: name) ifTrue: + [^'#', (self stringOf: oop)]. + name = 'Character' ifTrue: "SpurMemoryManager has immediate Characters (see above); ObjectMemory does not" + [^'=', (Character value: (objectMemory integerValueOf: + (objectMemory fetchPointer: 0 ofObject: oop))) printString]. + + "Try to spot association-like things; they're all subclasses of LookupKey" + ((objectMemory isPointersNonImm: oop) + and: [((objectMemory instanceSizeOf: classOop) between: ValueIndex + 1 and: ValueIndex + 2) + and: [(objectMemory isBytes: (objectMemory fetchPointer: KeyIndex ofObject: oop))]]) ifTrue: + [| classLookupKey | + classLookupKey := objectMemory fetchClassOfNonImm: (objectMemory splObj: SchedulerAssociation). + [classLookupKey = objectMemory nilObject ifTrue: + [^(('AEIOU' includes: name first) ifTrue: ['an '] ifFalse: ['a ']), name]. + (objectMemory instanceSizeOf: classLookupKey) = (KeyIndex + 1)] whileFalse: + [classLookupKey := self superclassOf: classLookupKey]. + (self includesBehavior: classOop ThatOf: classLookupKey) ifTrue: + [^(('AEIOU' includes: name first) ifTrue: ['an '] ifFalse: ['a ']), name, + ' ', (self shortPrint: (objectMemory fetchPointer: KeyIndex ofObject: oop)), + ' -> ', + (objectMemory fetchPointer: ValueIndex ofObject: oop) hex8]]. + + ^(('AEIOU' includes: name first) ifTrue: ['an '] ifFalse: ['a ']), name! Item was added: + ----- Method: StackInterpreterPrimitives>>isAppropriateForCopyObject: (in category 'object access primitives') ----- + isAppropriateForCopyObject: oop + (objectMemory isPointersNonImm: oop) ifFalse: + [^false]. + (objectMemory isContext: oop) ifTrue: + [^(self isStillMarriedContext: oop) not]. + "Note there is no version in CoInterpreterPrimtiives such as + (objectMemory isCompiledMethod: oop) ifTrue: + [^(self methodHasCogMethod: oop) not]. + because isPointersNonImm: excludes compiled methods and the + copy loop in primitiveCopyObject cannot handle compiled methods." + ^true! Item was removed: - ----- Method: StackInterpreterPrimitives>>primitiveCopyObject (in category 'object access primitives') ----- - primitiveCopyObject - "Primitive. Copy the state of the receiver from the argument. - Fail if receiver and argument are of a different class. - Fail if the receiver or argument are non-pointer objects. - Fail if the receiver or argument are contexts (because of context-to-stack mapping). - Fail if receiver and argument have different lengths (for indexable objects). - " - | rcvr arg length | - self methodArgumentCount = 1 ifFalse: - [^self primitiveFail]. - arg := self stackObjectValue: 0. - rcvr := self stackObjectValue: 1. - - self failed ifTrue:[^nil]. - (objectMemory isPointers: rcvr) ifFalse: - [^self primitiveFail]. - ((objectMemory isContextNonImm: rcvr) - or: [objectMemory isContextNonImm: arg]) ifTrue: - [^self primitiveFail]. - (objectMemory fetchClassOfNonImm: rcvr) = (objectMemory fetchClassOfNonImm: arg) ifFalse: - [^self primitiveFail]. - length := objectMemory lengthOf: rcvr. - length = (objectMemory lengthOf: arg) ifFalse: - [^self primitiveFail]. - - "Now copy the elements" - 0 to: length-1 do: - [:i| - objectMemory storePointer: i ofObject: rcvr withValue: (objectMemory fetchPointer: i ofObject: arg)]. - - "Note: The above could be faster for young receivers but I don't think it'll matter" - self pop: 1 "pop arg; answer receiver" - ! Item was removed: - ----- Method: StackInterpreterSimulator>>shortPrint: (in category 'debug support') ----- - shortPrint: oop - | name classOop | - (objectMemory isImmediate: oop) ifTrue: - [(objectMemory isImmediateCharacter: oop) ifTrue: - [^(objectMemory characterValueOf: oop) < 256 - ifTrue: - ['=$' , (objectMemory characterValueOf: oop) printString , - ' (' , (String with: (Character value: (objectMemory characterValueOf: oop))) , ')'] - ifFalse: - ['=$' , (objectMemory characterValueOf: oop) printString, '(???)']]. - (objectMemory isIntegerObject: oop) ifTrue: - [^ '=' , (objectMemory integerValueOf: oop) printString , - ' (' , (objectMemory integerValueOf: oop) hex , ')']. - ^'= UNKNOWN IMMEDIATE', ' (' , (objectMemory integerValueOf: oop) hex , ')']. - (objectMemory addressCouldBeObj: oop) ifFalse: - [^(oop bitAnd: objectMemory allocationUnit - 1) ~= 0 - ifTrue: [' is misaligned'] - ifFalse: [self whereIs: oop]]. - (objectMemory isFreeObject: oop) ifTrue: - [^' is a free chunk of size ', (objectMemory sizeOfFree: oop) printString]. - (objectMemory isForwarded: oop) ifTrue: - [^' is a forwarded object to ', (objectMemory followForwarded: oop) hex, - ' of slot size ', (objectMemory numSlotsOfAny: oop) printString]. - classOop := objectMemory fetchClassOfNonImm: oop. - classOop ifNil: [^' has a nil class!!!!']. - (objectMemory numSlotsOf: classOop) = metaclassNumSlots ifTrue: - [^'class ' , (self nameOfClass: oop)]. - name := self nameOfClass: classOop. - name size = 0 ifTrue: [name := '??']. - name = 'String' ifTrue: [^ (self stringOf: oop) printString]. - name = 'ByteString' ifTrue: [^ (self stringOf: oop) printString]. - name = 'Symbol' ifTrue: [^ '#' , (self stringOf: oop)]. - name = 'ByteSymbol' ifTrue: [^ '#' , (self stringOf: oop)]. - name = 'Character' ifTrue: "SpurMemoryManager has immediate Characters; ObjectMemory does not" - [^ '=' , (Character value: (objectMemory integerValueOf: - (objectMemory fetchPointer: 0 ofObject: oop))) printString]. - name = 'UndefinedObject' ifTrue: [^ 'nil']. - name = 'False' ifTrue: [^ 'false']. - name = 'True' ifTrue: [^ 'true']. - name = 'Float' ifTrue: [^ '=' , (self dbgFloatValueOf: oop) printString]. - (#('Association' 'ReadOnlyVariableBinding' 'VariableBinding') includes: name) ifTrue: - [^ '(' , - (self shortPrint: (self longAt: oop + objectMemory baseHeaderSize)) , - ' -> ' , - (self longAt: oop + objectMemory baseHeaderSize + objectMemory wordSize) hex8 , ')']. - ^(('AEIOU' includes: name first) ifTrue: ['an '] ifFalse: ['a ']), name!

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VM Maker: VMMaker.oscog-eem.958.mcz
by commits＠source.squeak.org 01 Dec '14

01 Dec '14

Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.958.mcz ==================== Summary ==================== Name: VMMaker.oscog-eem.958 Author: eem Time: 1 December 2014, 10:14:44.613 am UUID: a63f2901-77e4-4db7-a6d2-16f121e54bac Ancestors: VMMaker.oscog-eem.957 Fix simulation of sizeof: in InterpreterPlugins =============== Diff against VMMaker.oscog-eem.957 =============== Item was changed: ----- Method: InterpreterPlugin>>sizeof: (in category 'simulation support') ----- sizeof: objectSymbolOrClass <doNotGenerate> + objectSymbolOrClass isInteger ifTrue: + [^interpreterProxy wordSize]. + "In the simulator file handles are just integer indices into openFiles and so need + only be BytesPerWord big. But in the actual VM they are at least 5 words long." - "In the simulator file handles are just integer indices into openFiles and so need only be BytesPerWord big. - But in the actual VM they are 5 words long. We assume the file offset type is always 64-bit" objectSymbolOrClass == #SQFile ifTrue: [^interpreterProxy wordSize * 5]. + "We assume the file offset type is always 64-bits." objectSymbolOrClass == #squeakFileOffsetType ifTrue: [^8]. ^super sizeof: objectSymbolOrClass!

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Vm-dev December 2014