VM Maker: VMMaker.oscog-eem.2945.mcz

 
Eliot Miranda uploaded a new version of VMMaker to project VM Maker:
http://source.squeak.org/VMMaker/VMMaker.oscog-eem.2945.mcz

==================== Summary ====================

Name: VMMaker.oscog-eem.2945
Author: eem
Time: 10 February 2021, 9:53:36.233073 pm
UUID: 5eae7a41-7349-4d77-87cc-fba72c5d8fd1
Ancestors: VMMaker.oscog-eem.2944

If sqMemoryAccess.h is to define EXPORT et al then sqPlatformSpecific.h, which provides platform-specific overrides, must precede it.  This affects the cogit files.

=============== Diff against VMMaker.oscog-eem.2944 ===============

Item was changed:
  ----- Method: Cogit class>>declareCVarsIn: (in category 'translation') -----
  declareCVarsIn: aCCodeGenerator
  | backEnd |
  backEnd := CogCompilerClass basicNew.
  #( 'coInterpreter' 'objectMemory' 'methodZone' 'objectRepresentation'
  'cogBlockMethodSurrogateClass' 'cogMethodSurrogateClass' 'nsSendCacheSurrogateClass'
  'threadManager' 'processor' 'lastNInstructions' 'simulatedAddresses'
  'simulatedTrampolines' 'simulatedVariableGetters' 'simulatedVariableSetters'
  'processorFrameValid' 'printRegisters' 'printInstructions' 'clickConfirm' 'singleStep') do:
  [:simulationVariableNotNeededForRealVM|
  aCCodeGenerator removeVariable: simulationVariableNotNeededForRealVM].
  NewspeakVM ifFalse:
  [#( 'selfSendTrampolines' 'dynamicSuperSendTrampolines'
  'implicitReceiverSendTrampolines' 'outerSendTrampolines'
  'ceEnclosingObjectTrampoline' 'numIRCs' 'indexOfIRC' 'theIRCs') do:
  [:variableNotNeededInNormalVM|
  aCCodeGenerator removeVariable: variableNotNeededInNormalVM]].
  aCCodeGenerator removeConstant: #COGMTVM. "this should be defined at compile time"
  "N.B. We *do not* include sq.h; it pulls in conflicting definitions now that sqVirtualMachine.h
  declares cointerp's functions, and declares some of them inaccurately for histrical reasons.
  We pull in CoInterpreter's api via cointerp.h which is accurate."
  aCCodeGenerator
  addHeaderFile:'<stddef.h>'; "for e.g. offsetof"
  addHeaderFile:'<stdio.h>';
  addHeaderFile:'<stdlib.h>';
  addHeaderFile:'<string.h>';
  addHeaderFile:'"sqConfig.h"';
- addHeaderFile:'"sqMemoryAccess.h"';
  addHeaderFile:'"sqPlatformSpecific.h"'; "e.g. solaris overrides things for sqCogStackAlignment.h"
+ addHeaderFile:'"sqMemoryAccess.h"';
  addHeaderFile:'"sqCogStackAlignment.h"';
  addHeaderFile:'"dispdbg.h"'; "must precede cointerp.h & cogit.h otherwise NoDbgRegParms gets screwed up"
  addHeaderFile:'"cogmethod.h"'.
  NewspeakVM ifTrue:
  [aCCodeGenerator addHeaderFile:'"nssendcache.h"'].
  aCCodeGenerator
  addHeaderFile:'#if COGMTVM';
  addHeaderFile:'"cointerpmt.h"';
  addHeaderFile:'#else';
  addHeaderFile:'"cointerp.h"';
  addHeaderFile:'#endif';
  addHeaderFile:'"cogit.h"'.
  aCCodeGenerator
  var: #ceGetFP
  declareC: 'usqIntptr_t (*ceGetFP)(void)';
  var: #ceGetSP
  declareC: 'usqIntptr_t (*ceGetSP)(void)';
  var: #ceCaptureCStackPointers
  declareC: 'void (*ceCaptureCStackPointers)(void)';
  var: #ceInvokeInterpret
  declareC: 'void (*ceInvokeInterpret)(void)';
  var: #ceEnterCogCodePopReceiverReg
  declareC: 'void (*ceEnterCogCodePopReceiverReg)(void)';
  var: #realCEEnterCogCodePopReceiverReg
  declareC: 'void (*realCEEnterCogCodePopReceiverReg)(void)';
  var: #ceCallCogCodePopReceiverReg
  declareC: 'void (*ceCallCogCodePopReceiverReg)(void)';
  var: #realCECallCogCodePopReceiverReg
  declareC: 'void (*realCECallCogCodePopReceiverReg)(void)';
  var: #ceCallCogCodePopReceiverAndClassRegs
  declareC: 'void (*ceCallCogCodePopReceiverAndClassRegs)(void)';
  var: #realCECallCogCodePopReceiverAndClassRegs
  declareC: 'void (*realCECallCogCodePopReceiverAndClassRegs)(void)';
  var: #postCompileHook
  declareC: 'void (*postCompileHook)(CogMethod *)';
  var: #openPICList declareC: 'CogMethod *openPICList = 0';
  var: #maxMethodBefore type: #'CogBlockMethod *';
  var: 'enumeratingCogMethod' type: #'CogMethod *'.
 
  aCCodeGenerator
  var: #ceTryLockVMOwner
  declareC: '#if COGMTVM\usqIntptr_t (*ceTryLockVMOwner)(usqIntptr_t)\#endif'.
 
  backEnd numICacheFlushOpcodes > 0 ifTrue:
  [aCCodeGenerator
  var: #ceFlushICache
  declareC: 'static void (*ceFlushICache)(usqIntptr_t from, usqIntptr_t to)'].
  aCCodeGenerator
  var: #ceFlushDCache
  declareC: '#if DUAL_MAPPED_CODE_ZONE\static void (*ceFlushDCache)(usqIntptr_t from, usqIntptr_t to)\#endif';
  var: #codeToDataDelta
  declareC: '#if DUAL_MAPPED_CODE_ZONE\static sqInt codeToDataDelta\#else\# define codeToDataDelta 0\#endif'.
 
  aCCodeGenerator
  declareVar: 'aMethodLabel' type: #'AbstractInstruction'; "Has to come lexicographically before backEnd & methodLabel"
  var: #backEnd declareC: 'AbstractInstruction * const backEnd = &aMethodLabel';
  var: #methodLabel declareC: 'AbstractInstruction * const methodLabel = &aMethodLabel'.
  self declareC: #(abstractOpcodes stackCheckLabel
  blockEntryLabel blockEntryNoContextSwitch
  stackOverflowCall sendMiss
  entry noCheckEntry selfSendEntry dynSuperEntry
  fullBlockNoContextSwitchEntry fullBlockEntry
  picMNUAbort picInterpretAbort  endCPICCase0 endCPICCase1 cPICEndOfCodeLabel)
  as: #'AbstractInstruction *'
  in: aCCodeGenerator.
  aCCodeGenerator
  declareVar: #cPICPrototype type: #'CogMethod *';
  declareVar: #blockStarts type: #'BlockStart *';
  declareVar: #fixups type: #'BytecodeFixup *';
  declareVar: #methodZoneBase type: #usqInt.
  aCCodeGenerator
  var: #ordinarySendTrampolines
  declareC: 'sqInt ordinarySendTrampolines[NumSendTrampolines]';
  var: #superSendTrampolines
  declareC: 'sqInt superSendTrampolines[NumSendTrampolines]'.
  BytecodeSetHasDirectedSuperSend ifTrue:
  [aCCodeGenerator
  var: #directedSuperSendTrampolines
  declareC: 'sqInt directedSuperSendTrampolines[NumSendTrampolines]';
  var: #directedSuperBindingSendTrampolines
  declareC: 'sqInt directedSuperBindingSendTrampolines[NumSendTrampolines]'].
  NewspeakVM ifTrue:
  [aCCodeGenerator
  var: #selfSendTrampolines
  declareC: 'sqInt selfSendTrampolines[NumSendTrampolines]';
  var: #dynamicSuperSendTrampolines
  declareC: 'sqInt dynamicSuperSendTrampolines[NumSendTrampolines]';
  var: #implicitReceiverSendTrampolines
  declareC: 'sqInt implicitReceiverSendTrampolines[NumSendTrampolines]';
  var: #outerSendTrampolines
  declareC: 'sqInt outerSendTrampolines[NumSendTrampolines]'].
  aCCodeGenerator
  addConstantForBinding: self bindingForNumTrampolines;
  var: #trampolineAddresses
  declareC: 'static char *trampolineAddresses[NumTrampolines*2]';
  var: #objectReferencesInRuntime
  declareC: 'static usqInt objectReferencesInRuntime[NumObjRefsInRuntime+1]';
  var: #labelCounter
  type: #int;
  var: #traceFlags
  declareC: 'int traceFlags = 8 /* prim trace log on by default */';
  var: #cStackAlignment
  declareC: 'const int cStackAlignment = STACK_ALIGN_BYTES'.
  aCCodeGenerator
  declareVar: #minValidCallAddress type: #'usqIntptr_t'.
  aCCodeGenerator vmClass generatorTable ifNotNil:
  [:bytecodeGenTable|
  aCCodeGenerator
  var: #generatorTable
  declareC: 'static BytecodeDescriptor generatorTable[', bytecodeGenTable size printString, ']',
  (self tableInitializerFor: bytecodeGenTable
  in: aCCodeGenerator)].
  "In C the abstract opcode names clash with the Smalltalk generator syntactic sugar.
  Most of the syntactic sugar is inlined, but alas some remains.  Rename the syntactic
  sugar to avoid the clash."
  (self organization listAtCategoryNamed: #'abstract instructions') do:
  [:s|
  aCCodeGenerator addSelectorTranslation: s to: 'g', (aCCodeGenerator cFunctionNameFor: s)].
  aCCodeGenerator addSelectorTranslation: #halt: to: 'haltmsg'.
  self declareFlagVarsAsByteIn: aCCodeGenerator!