org.jikesrvm

Class Configuration

java.lang.Object

org.jikesrvm.Configuration

Direct Known Subclasses:

Options

public abstract class Configuration
extends Object

Flags that specify the configuration of our virtual machine. Note: Changing any final flags requires that the whole vm be recompiled and rebuilt after their values are changed.

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	AlignmentChecking Alignment checking (for IA32 only; for debugging purposes only).
static boolean	AllowOversizedImages allow bootimage writer to build oversized images?
static boolean	BuildFor32Addr
static boolean	BuildFor64Addr
static boolean	BuildForAdaptiveSystem Is this an adaptive build?
static boolean	BuildForGnuClasspath
static boolean	BuildForHarmony
static boolean	BuildForHwFsqrt
static boolean	BuildForIA32
static boolean	BuildForIMTInterfaceInvocation
static boolean	BuildForITableInterfaceInvocation
static boolean	BuildForLinux
static boolean	BuildForOptCompiler Is this an opt compiler build?
static boolean	BuildForOsx
static boolean	BuildForPower64ELF_ABI
static boolean	BuildForPowerPC
static boolean	BuildForSolaris
static boolean	BuildForSSE2
static boolean	BuildForSSE2Full
static boolean	BuildForSVR4ABI
static boolean	BuildWithBaseBootImageCompiler build with Base boot image compiler?
static boolean	BuildWithGCSpy
static boolean	BuildWithGCTrace
static boolean	ExtremeAssertions
static boolean	ForceFrequentGC
static boolean	LittleEndian
static boolean	ParanoidVerifyUnint If set, ignore the supression pragma and print all warning messages.
static boolean	PortableNativeSync Are we using Classpath's portable native sync feature?
static String	RVM_CONFIGURATION
static String	RVM_VERSION_STRING
static int	StressGCAllocationInterval NUmber of allocations between gc's during stress testing.
static boolean	UseEpilogueYieldPoints Epilogue yieldpoints increase sampling accuracy for adaptive recompilation.
static boolean	VerifyAssertions Assertion checking.
static boolean	VerifyUnint If set, verify that Uninterruptible methods actually cannot be interrupted.

Constructor Summary

Constructors

Constructor and Description
Configuration()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

BuildForPowerPC

public static final boolean BuildForPowerPC

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BuildForIA32

public static final boolean BuildForIA32

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BuildForSSE2

public static final boolean BuildForSSE2

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BuildForSSE2Full

public static final boolean BuildForSSE2Full

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BuildForHwFsqrt

public static final boolean BuildForHwFsqrt

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BuildFor32Addr

public static final boolean BuildFor32Addr

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BuildFor64Addr

public static final boolean BuildFor64Addr

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BuildForLinux

public static final boolean BuildForLinux

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BuildForSolaris

public static final boolean BuildForSolaris

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BuildForOsx

public static final boolean BuildForOsx

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BuildForGnuClasspath

public static final boolean BuildForGnuClasspath

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BuildForHarmony

public static final boolean BuildForHarmony

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LittleEndian

public static final boolean LittleEndian

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BuildForPower64ELF_ABI

public static final boolean BuildForPower64ELF_ABI

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BuildForSVR4ABI

public static final boolean BuildForSVR4ABI

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PortableNativeSync

public static final boolean PortableNativeSync

Are we using Classpath's portable native sync feature?

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VerifyAssertions

public static final boolean VerifyAssertions

Assertion checking.

false

no assertion checking at runtime

true

execute assertion checks at runtime

Note: code your assertion checks as

        if (VM.VerifyAssertions)
          VM._assert(xxx);
      

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Constant Field Values

ExtremeAssertions

public static final boolean ExtremeAssertions

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VerifyUnint

public static final boolean VerifyUnint

If set, verify that Uninterruptible methods actually cannot be interrupted.

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Constant Field Values

ParanoidVerifyUnint

public static final boolean ParanoidVerifyUnint

If set, ignore the supression pragma and print all warning messages.

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Constant Field Values

BuildForAdaptiveSystem

public static final boolean BuildForAdaptiveSystem

Is this an adaptive build?

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Constant Field Values

BuildForOptCompiler

public static final boolean BuildForOptCompiler

Is this an opt compiler build?

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Constant Field Values

BuildWithBaseBootImageCompiler

public static final boolean BuildWithBaseBootImageCompiler

build with Base boot image compiler?

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AllowOversizedImages

public static final boolean AllowOversizedImages

allow bootimage writer to build oversized images?

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Constant Field Values

BuildForIMTInterfaceInvocation

public static final boolean BuildForIMTInterfaceInvocation

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BuildForITableInterfaceInvocation

public static final boolean BuildForITableInterfaceInvocation

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UseEpilogueYieldPoints

public static final boolean UseEpilogueYieldPoints

Epilogue yieldpoints increase sampling accuracy for adaptive recompilation. In particular, they are key for large, leaf, loop-free methods.

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StressGCAllocationInterval

public static final int StressGCAllocationInterval

NUmber of allocations between gc's during stress testing. Set to 0 to disable.

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ForceFrequentGC

public static final boolean ForceFrequentGC

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BuildWithGCTrace

public static final boolean BuildWithGCTrace

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BuildWithGCSpy

public static final boolean BuildWithGCSpy

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RVM_VERSION_STRING

public static final String RVM_VERSION_STRING

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RVM_CONFIGURATION

public static final String RVM_CONFIGURATION

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AlignmentChecking

public static final boolean AlignmentChecking

Alignment checking (for IA32 only; for debugging purposes only). To enable, build with -Dconfig.alignment-checking=true. Important: You'll also need to build without SSE (-Dtarget.arch.sse2=none) and run Jikes with only one processor.

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Constant Field Values

Constructor Detail

Configuration

public Configuration()