# HG changeset patch # User Lukas Stadler # Date 1404828849 -7200 # Node ID 0de9f76a4b3df978525ba7f72c612cdc54c4fd90 # Parent f1e4ed5ac7d2be61817c528a4db004121be7e863 use a location for stack banging diff -r f1e4ed5ac7d2 -r 0de9f76a4b3d graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/DeoptimizationStub.java --- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/DeoptimizationStub.java Tue Jul 08 16:13:35 2014 +0200 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/DeoptimizationStub.java Tue Jul 08 16:14:09 2014 +0200 @@ -135,7 +135,7 @@ * Stack bang to make sure there's enough room for the interpreter frames. Bang stack for * total size of the interpreter frames plus shadow page size. Bang one page at a time * because large sizes can bang beyond yellow and red zones. - * + * * @deprecated This code should go away as soon as JDK-8032410 hits the Graal repository. */ final int totalFrameSizes = unrollBlock.readInt(deoptimizationUnrollBlockTotalFrameSizesOffset()); @@ -143,7 +143,7 @@ Word stackPointer = readRegister(stackPointerRegister); for (int i = 1; i < bangPages; i++) { - stackPointer.writeInt((-i * pageSize()) + stackBias(), 0); + stackPointer.writeInt((-i * pageSize()) + stackBias(), 0, UncommonTrapStub.STACK_BANG_LOCATION); } // Load number of interpreter frames. diff -r f1e4ed5ac7d2 -r 0de9f76a4b3d graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/UncommonTrapStub.java --- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/UncommonTrapStub.java Tue Jul 08 16:13:35 2014 +0200 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/UncommonTrapStub.java Tue Jul 08 16:14:09 2014 +0200 @@ -77,6 +77,8 @@ */ public class UncommonTrapStub extends SnippetStub { + public static final LocationIdentity STACK_BANG_LOCATION = new NamedLocationIdentity("stack bang"); + private final TargetDescription target; public UncommonTrapStub(HotSpotProviders providers, TargetDescription target, HotSpotForeignCallLinkage linkage) { @@ -152,7 +154,7 @@ Word stackPointer = readRegister(stackPointerRegister); for (int i = 1; i < bangPages; i++) { - stackPointer.writeInt((-i * pageSize()) + stackBias(), 0); + stackPointer.writeInt((-i * pageSize()) + stackBias(), 0, STACK_BANG_LOCATION); } // Load number of interpreter frames.