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sqVirtualMachine.c
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sqVirtualMachine.c
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#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <setjmp.h>
#include "sq.h"
/*** Function prototypes ***/
/* InterpreterProxy methodsFor: 'stack access' */
sqInt pop(sqInt nItems);
sqInt popthenPush(sqInt nItems, sqInt oop);
void push(sqInt object);
sqInt pushBool(sqInt trueOrFalse);
void pushFloat(double f);
sqInt pushInteger(sqInt integerValue);
double stackFloatValue(sqInt offset);
sqInt stackIntegerValue(sqInt offset);
sqInt stackObjectValue(sqInt offset);
sqInt stackValue(sqInt offset);
/*** variables ***/
/* InterpreterProxy methodsFor: 'object access' */
sqInt argumentCountOf(sqInt methodPointer);
void *arrayValueOf(sqInt oop);
sqInt byteSizeOf(sqInt oop);
void *fetchArrayofObject(sqInt fieldIndex, sqInt objectPointer);
sqInt fetchClassOf(sqInt oop);
double fetchFloatofObject(sqInt fieldIndex, sqInt objectPointer);
sqInt fetchIntegerofObject(sqInt fieldIndex, sqInt objectPointer);
sqInt fetchPointerofObject(sqInt index, sqInt oop);
/* sqInt fetchWordofObject(sqInt fieldIndex, sqInt oop); *
* has been rescinded as of VMMaker 3.8 and the 64bitclean VM *
* work. To support old plugins we keep a valid function in *
* the same location in the VM struct but rename it to *
* something utterly horrible to scare off the natives. A new *
* equivalent but 64 bit valid function is added as *
* 'fetchLong32OfObject' */
sqInt obsoleteDontUseThisFetchWordofObject(sqInt index, sqInt oop);
sqInt fetchLong32ofObject(sqInt index, sqInt oop);
void *firstFixedField(sqInt oop);
void *firstIndexableField(sqInt oop);
sqInt literalofMethod(sqInt offset, sqInt methodPointer);
sqInt literalCountOf(sqInt methodPointer);
sqInt methodArgumentCount(void);
sqInt methodPrimitiveIndex(void);
sqInt primitiveMethod(void);
sqInt primitiveIndexOf(sqInt methodPointer);
sqInt sizeOfSTArrayFromCPrimitive(void *cPtr);
sqInt slotSizeOf(sqInt oop);
sqInt stObjectat(sqInt array, sqInt index);
sqInt stObjectatput(sqInt array, sqInt index, sqInt value);
sqInt stSizeOf(sqInt oop);
sqInt storeIntegerofObjectwithValue(sqInt index, sqInt oop, sqInt integer);
sqInt storePointerofObjectwithValue(sqInt index, sqInt oop, sqInt valuePointer);
/* InterpreterProxy methodsFor: 'testing' */
sqInt isKindOf(sqInt oop, char *aString);
sqInt isMemberOf(sqInt oop, char *aString);
sqInt isBytes(sqInt oop);
sqInt isFloatObject(sqInt oop);
sqInt isIndexable(sqInt oop);
sqInt isIntegerObject(sqInt oop);
sqInt isIntegerValue(sqInt intValue);
sqInt isPointers(sqInt oop);
sqInt isWeak(sqInt oop);
sqInt isWords(sqInt oop);
sqInt isWordsOrBytes(sqInt oop);
sqInt includesBehaviorThatOf(sqInt aClass, sqInt aSuperClass);
#if VM_PROXY_MINOR > 10
sqInt isKindOfClass(sqInt oop, sqInt aClass);
sqInt primitiveErrorTable(void);
sqInt primitiveFailureCode(void);
sqInt instanceSizeOf(sqInt aClass);
void tenuringIncrementalGC(void);
#endif
sqInt isArray(sqInt oop);
sqInt isOopMutable(sqInt oop);
sqInt isOopImmutable(sqInt oop);
/* InterpreterProxy methodsFor: 'converting' */
sqInt booleanValueOf(sqInt obj);
sqInt checkedIntegerValueOf(sqInt intOop);
sqInt floatObjectOf(double aFloat);
double floatValueOf(sqInt oop);
sqInt integerObjectOf(sqInt value);
sqInt integerValueOf(sqInt oop);
sqInt positive32BitIntegerFor(unsigned int integerValue);
usqInt positive32BitValueOf(sqInt oop);
sqInt signed32BitIntegerFor(sqInt integerValue);
int signed32BitValueOf(sqInt oop);
sqInt positive64BitIntegerFor(usqLong integerValue);
usqLong positive64BitValueOf(sqInt oop);
sqInt signed64BitIntegerFor(sqLong integerValue);
sqLong signed64BitValueOf(sqInt oop);
sqIntptr_t signedMachineIntegerValueOf(sqInt);
sqIntptr_t stackSignedMachineIntegerValue(sqInt);
usqIntptr_t positiveMachineIntegerValueOf(sqInt);
usqIntptr_t stackPositiveMachineIntegerValue(sqInt);
/* InterpreterProxy methodsFor: 'special objects' */
sqInt falseObject(void);
sqInt nilObject(void);
sqInt trueObject(void);
/* InterpreterProxy methodsFor: 'special classes' */
sqInt classArray(void);
sqInt classBitmap(void);
sqInt classByteArray(void);
sqInt classCharacter(void);
sqInt classFloat(void);
sqInt classLargePositiveInteger(void);
sqInt classLargeNegativeInteger(void);
sqInt classPoint(void);
sqInt classSemaphore(void);
sqInt classSmallInteger(void);
sqInt classString(void);
/* InterpreterProxy methodsFor: 'instance creation' */
sqInt clone(sqInt oop);
sqInt instantiateClassindexableSize(sqInt classPointer, sqInt size);
sqInt makePointwithxValueyValue(sqInt xValue, sqInt yValue);
sqInt popRemappableOop(void);
sqInt pushRemappableOop(sqInt oop);
/* InterpreterProxy methodsFor: 'other' */
sqInt becomewith(sqInt array1, sqInt array2);
sqInt byteSwapped(sqInt w);
sqInt failed(void);
void fullGC(void);
sqInt primitiveFail(void);
sqInt primitiveFailFor(sqInt reasonCode);
sqInt showDisplayBitsLeftTopRightBottom(sqInt aForm, sqInt l, sqInt t, sqInt r, sqInt b);
sqInt signalSemaphoreWithIndex(sqInt semaIndex);
sqInt success(sqInt aBoolean);
sqInt superclassOf(sqInt classPointer);
sqInt ioMicroMSecs(void);
unsigned volatile long long ioUTCMicroseconds(void);
unsigned volatile long long ioUTCMicrosecondsNow(void);
sqInt forceInterruptCheck(void);
sqInt getThisSessionID(void);
sqInt ioFilenamefromStringofLengthresolveAliases(char* aCharBuffer, char* filenameIndex, sqInt filenameLength, sqInt resolveFlag);
sqInt vmEndianness(void);
sqInt getInterruptPending(void);
/* InterpreterProxy methodsFor: 'BitBlt support' */
sqInt loadBitBltFrom(sqInt bbOop);
sqInt copyBits(void);
sqInt copyBitsFromtoat(sqInt leftX, sqInt rightX, sqInt yValue);
/* InterpreterProxy methodsFor: 'FFI support' */
sqInt classExternalAddress(void);
void *ioLoadModuleOfLength(sqInt moduleNameIndex, sqInt moduleNameLength);
void *ioLoadSymbolOfLengthFromModule(sqInt functionNameIndex, sqInt functionNameLength, void* moduleHandle);
sqInt isInMemory(sqInt address);
void *startOfAlienData(sqInt);
usqInt sizeOfAlienData(sqInt);
sqInt signalNoResume(sqInt);
#if VM_PROXY_MINOR > 12 /* Spur */
sqInt isImmediate(sqInt oop);
sqInt isCharacterObject(sqInt oop);
sqInt isCharacterValue(int charCode);
sqInt characterObjectOf(int charCode);
sqInt characterValueOf(sqInt oop);
sqInt isPinned(sqInt objOop);
sqInt pinObject(sqInt objOop);
sqInt unpinObject(sqInt objOop);
char *cStringOrNullFor(sqInt);
#endif
#if VM_PROXY_MINOR > 13 /* More Spur + OS Errors available via prim error code */
sqInt statNumGCs(void);
sqInt stringForCString(const char *);
sqInt primitiveFailForOSError(sqLong);
#endif
#if VM_PROXY_MINOR > 14 /* SmartSyntaxPlugin validation rewrite support */
sqInt isBooleanObject(sqInt oop);
sqInt isPositiveMachineIntegerObject(sqInt oop);
#endif
void *ioLoadFunctionFrom(char *fnName, char *modName);
void waitOnExternalSemaphoreIndex(sqInt semaphoreIndex);
/* Proxy declarations for v1.8 */
sqInt addGCRoot(sqInt *varLoc);
sqInt removeGCRoot(sqInt *varLoc);
/* Proxy declarations for v1.10 */
# if VM_PROXY_MINOR > 13 /* OS Errors available in primitives; easy return forms */
sqInt methodReturnBool(sqInt);
sqInt methodReturnFloat(double);
sqInt methodReturnInteger(sqInt);
sqInt methodReturnReceiver(void);
sqInt methodReturnString(char *);
# else
sqInt methodArg(sqInt index);
sqInt objectArg(sqInt index);
sqInt integerArg(sqInt index);
double floatArg(sqInt index);
#endif
sqInt methodReturnValue(sqInt oop);
sqInt topRemappableOop(void);
#if ASYNC_FFI_QUEUE
sqInt ptExitInterpreterToCallback(void*);
sqInt ptEnterInterpreterFromCallback(void*);
#endif //ASYNC_FFI_QUEUE
sqInt isNonImmediate(sqInt oop);
struct VirtualMachine *VM = NULL;
static sqInt majorVersion(void) {
return VM_PROXY_MAJOR;
}
static sqInt minorVersion(void) {
return VM_PROXY_MINOR;
}
#if !IMMUTABILITY
static sqInt isNonIntegerObject(sqInt objectPointer)
{
return !isIntegerObject(objectPointer);
}
#endif
extern sqInt isYoung(sqInt);
/* High-priority and synchronous ticker function support. */
void addHighPriorityTickee(void (*ticker)(void), unsigned periodms);
void addSynchronousTickee(void (*ticker)(void), unsigned periodms, unsigned roundms);
#if SPURVM /* For now these are here; perhaps they're better in the VM. */
static sqInt
interceptFetchIntegerofObject(sqInt fieldIndex, sqInt objectPointer)
{
if (fieldIndex == 0
&& isCharacterObject(objectPointer))
return characterValueOf(objectPointer);
return fetchIntegerofObject(fieldIndex, objectPointer);
}
#endif
sqInt fetchIntegerofObject(sqInt fieldIndex, sqInt objectPointer);
struct VirtualMachine* sqGetInterpreterProxy(void)
{
if(VM) return VM;
VM = (struct VirtualMachine *)calloc(1, sizeof(VirtualMachine));
/* Initialize Function pointers */
VM->majorVersion = majorVersion;
VM->minorVersion = minorVersion;
/* InterpreterProxy methodsFor: 'stack access' */
VM->pop = pop;
VM->popthenPush = popthenPush;
VM->push = push;
VM->pushBool = pushBool;
VM->pushFloat = pushFloat;
VM->pushInteger = pushInteger;
VM->stackFloatValue = stackFloatValue;
VM->stackIntegerValue = stackIntegerValue;
VM->stackObjectValue = stackObjectValue;
VM->stackValue = stackValue;
/* InterpreterProxy methodsFor: 'object access' */
VM->argumentCountOf = argumentCountOf;
VM->arrayValueOf = arrayValueOf;
VM->byteSizeOf = byteSizeOf;
VM->fetchArrayofObject = fetchArrayofObject;
VM->fetchClassOf = fetchClassOf;
VM->fetchFloatofObject = fetchFloatofObject;
#if SPURVM
VM->fetchIntegerofObject = interceptFetchIntegerofObject;
#else
VM->fetchIntegerofObject = fetchIntegerofObject;
#endif
VM->fetchPointerofObject = fetchPointerofObject;
VM->obsoleteDontUseThisFetchWordofObject = obsoleteDontUseThisFetchWordofObject;
VM->firstFixedField = firstFixedField;
VM->firstIndexableField = firstIndexableField;
VM->literalofMethod = literalofMethod;
VM->literalCountOf = literalCountOf;
VM->methodArgumentCount = methodArgumentCount;
VM->methodPrimitiveIndex = methodPrimitiveIndex;
VM->primitiveIndexOf = primitiveIndexOf;
VM->primitiveMethod = primitiveMethod;
VM->sizeOfSTArrayFromCPrimitive = sizeOfSTArrayFromCPrimitive;
VM->slotSizeOf = slotSizeOf;
VM->stObjectat = stObjectat;
VM->stObjectatput = stObjectatput;
VM->stSizeOf = stSizeOf;
VM->storeIntegerofObjectwithValue = storeIntegerofObjectwithValue;
VM->storePointerofObjectwithValue = storePointerofObjectwithValue;
/* InterpreterProxy methodsFor: 'testing' */
VM->isKindOf = isKindOf;
VM->isMemberOf = isMemberOf;
VM->isBytes = isBytes;
VM->isFloatObject = isFloatObject;
VM->isIndexable = isIndexable;
VM->isIntegerObject = isIntegerObject;
VM->isIntegerValue = isIntegerValue;
VM->isPointers = isPointers;
VM->isWeak = isWeak;
VM->isWords = isWords;
VM->isWordsOrBytes = isWordsOrBytes;
/* InterpreterProxy methodsFor: 'converting' */
VM->booleanValueOf = booleanValueOf;
VM->checkedIntegerValueOf = checkedIntegerValueOf;
VM->floatObjectOf = floatObjectOf;
VM->floatValueOf = floatValueOf;
VM->integerObjectOf = integerObjectOf;
VM->integerValueOf = integerValueOf;
VM->positive32BitIntegerFor = positive32BitIntegerFor;
VM->positive32BitValueOf = positive32BitValueOf;
/* InterpreterProxy methodsFor: 'special objects' */
VM->falseObject = falseObject;
VM->nilObject = nilObject;
VM->trueObject = trueObject;
/* InterpreterProxy methodsFor: 'special classes' */
VM->classArray = classArray;
VM->classBitmap = classBitmap;
VM->classByteArray = classByteArray;
VM->classCharacter = classCharacter;
VM->classFloat = classFloat;
VM->classLargePositiveInteger = classLargePositiveInteger;
VM->classPoint = classPoint;
VM->classSemaphore = classSemaphore;
VM->classSmallInteger = classSmallInteger;
VM->classString = classString;
/* InterpreterProxy methodsFor: 'instance creation' */
VM->clone = clone;
VM->instantiateClassindexableSize = instantiateClassindexableSize;
VM->makePointwithxValueyValue = makePointwithxValueyValue;
VM->popRemappableOop = popRemappableOop;
VM->pushRemappableOop = pushRemappableOop;
/* InterpreterProxy methodsFor: 'other' */
VM->becomewith = becomewith;
VM->byteSwapped = byteSwapped;
VM->failed = failed;
VM->fullGC = fullGC;
VM->primitiveFail = primitiveFail;
VM->showDisplayBitsLeftTopRightBottom = showDisplayBitsLeftTopRightBottom;
VM->signalSemaphoreWithIndex = signalSemaphoreWithIndex;
VM->success = success;
VM->superclassOf = superclassOf;
#if VM_PROXY_MINOR <= 13 /* reused in 14 and above */
VM->compilerHookVector= 0;
VM->setCompilerInitialized= 0;
#endif
#if VM_PROXY_MINOR > 1
/* InterpreterProxy methodsFor: 'BitBlt support' */
VM->loadBitBltFrom = loadBitBltFrom;
VM->copyBits = copyBits;
VM->copyBitsFromtoat = copyBitsFromtoat;
#endif
#if VM_PROXY_MINOR > 2
/* InterpreterProxy methodsFor: 'FFI support' */
VM->classExternalAddress = classExternalAddress;
VM->ioLoadModuleOfLength = ioLoadModuleOfLength;
VM->ioLoadSymbolOfLengthFromModule = ioLoadSymbolOfLengthFromModule;
VM->isInMemory = isInMemory;
VM->signed32BitIntegerFor = signed32BitIntegerFor;
VM->signed32BitValueOf = signed32BitValueOf;
VM->includesBehaviorThatOf = includesBehaviorThatOf;
VM->classLargeNegativeInteger = classLargeNegativeInteger;
#endif
#if VM_PROXY_MINOR > 3
VM->ioLoadFunctionFrom = ioLoadFunctionFrom;
VM->ioMicroMSecs = ioMicroMSecs;
#endif
#if VM_PROXY_MINOR > 4
VM->positive64BitIntegerFor = positive64BitIntegerFor;
VM->positive64BitValueOf = positive64BitValueOf;
VM->signed64BitIntegerFor = signed64BitIntegerFor;
VM->signed64BitValueOf = signed64BitValueOf;
#endif
#if VM_PROXY_MINOR > 5
VM->isArray = isArray;
VM->forceInterruptCheck = forceInterruptCheck;
#endif
#if VM_PROXY_MINOR > 6
VM->fetchLong32ofObject = fetchLong32ofObject;
VM->getThisSessionID = getThisSessionID;
VM->ioFilenamefromStringofLengthresolveAliases = ioFilenamefromStringofLengthresolveAliases;
VM->vmEndianness = vmEndianness;
#endif
#if VM_PROXY_MINOR > 7
VM->addGCRoot = addGCRoot;
VM->removeGCRoot = removeGCRoot;
#endif
#if VM_PROXY_MINOR > 8
VM->primitiveFailFor = primitiveFailFor;
VM->isOopImmutable = isOopImmutable;
VM->isOopMutable = isOopMutable;
#endif
#if VM_PROXY_MINOR > 9
# if VM_PROXY_MINOR > 13 /* OS Errors available in primitives; easy return forms */
VM->methodReturnBool = methodReturnBool;
VM->methodReturnFloat = methodReturnFloat;
VM->methodReturnInteger = methodReturnInteger;
VM->methodReturnReceiver = methodReturnReceiver;
VM->methodReturnString = methodReturnString;
# else
VM->methodArg = methodArg;
VM->objectArg = objectArg;
VM->integerArg = integerArg;
VM->floatArg = floatArg;
# endif
VM->methodReturnValue = methodReturnValue;
VM->topRemappableOop = topRemappableOop;
#endif
#if VM_PROXY_MINOR > 10
VM->addHighPriorityTickee = addHighPriorityTickee;
VM->addSynchronousTickee = addSynchronousTickee;
VM->utcMicroseconds = ioUTCMicroseconds;
VM->tenuringIncrementalGC = tenuringIncrementalGC;
VM->isYoung = isYoung;
VM->isKindOfClass = isKindOfClass;
VM->primitiveErrorTable = primitiveErrorTable;
VM->primitiveFailureCode = primitiveFailureCode;
VM->instanceSizeOf = instanceSizeOf;
#endif
#if VM_PROXY_MINOR > 11
VM->signedMachineIntegerValueOf = signedMachineIntegerValueOf;
VM->stackSignedMachineIntegerValue = stackSignedMachineIntegerValue;
VM->positiveMachineIntegerValueOf = positiveMachineIntegerValueOf;
VM->stackPositiveMachineIntegerValue = stackPositiveMachineIntegerValue;
VM->cStringOrNullFor = cStringOrNullFor;
VM->signalNoResume = signalNoResume;
#endif
#if VM_PROXY_MINOR > 12 /* Spur */
VM->isImmediate = isImmediate;
VM->characterObjectOf = characterObjectOf;
VM->characterValueOf = characterValueOf;
VM->isCharacterObject = isCharacterObject;
VM->isCharacterValue = isCharacterValue;
VM->isPinned = isPinned;
VM->pinObject = pinObject;
VM->unpinObject = unpinObject;
#endif
#if VM_PROXY_MINOR > 13 /* More Spur + OS Errors available via prim error code */
VM->statNumGCs = statNumGCs;
VM->stringForCString = stringForCString;
VM->primitiveFailForOSError = primitiveFailForOSError;
#endif
#if VM_PROXY_MINOR > 14 /* SmartSyntaxPlugin validation rewrite support */
VM->isBooleanObject = isBooleanObject ;
VM->isPositiveMachineIntegerObject = isPositiveMachineIntegerObject;
#endif
VM->ptEnterInterpreterFromCallback = ptEnterInterpreterFromCallback;
VM->ptExitInterpreterToCallback = ptExitInterpreterToCallback;
VM->isNonImmediate = isNonImmediate;
VM->platformSemaphoreNew = platform_semaphore_new;
VM->scheduleInMainThread = NULL;
VM->waitOnExternalSemaphoreIndex = waitOnExternalSemaphoreIndex;
return VM;
}
void
printPhaseTime(int phase)
{
static int printTimes;
static usqLong lastusecs;
usqLong nowusecs, usecs;
if (phase == 1) {
time_t nowt;
struct tm nowtm;
printTimes = 1;
nowt = time(0);
nowtm = *localtime(&nowt);
printf("started at %s", asctime(&nowtm));
lastusecs = ioUTCMicrosecondsNow();
return;
}
if (!printTimes) return;
nowusecs = ioUTCMicrosecondsNow();
usecs = nowusecs - lastusecs;
lastusecs = nowusecs;
#define m 1000000ULL
#define k 1000ULL
#define ul(v) (unsigned long)(v)
if (phase == 2)
printf("loaded in %lu.%03lus\n", ul(usecs/m), ul((usecs % m + k/2)/k));
if (phase == 3) {
printTimes = 0; /* avoid repeated printing if error during exit */
if (usecs >= 1ULL<<32)
printf("ran for a long time\n");
else
printf("ran for %lu.%03lus\n", ul(usecs/m), ul((usecs % m + k/2)/k));
}
#undef m
#undef k
}