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8187402: UnknownOopException is occurred on Stack Memory window in HSDB

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Reviewed-by: sspitsyn, jgeorge
This commit is contained in:
Yasumasa Suenaga 2017-09-29 21:00:18 +09:00
parent 195531f733
commit 858db7244e
4 changed files with 20 additions and 6 deletions
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8
src/hotspot/share/runtime/vmStructs.cpp
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@ -2726,8 +2726,12 @@ typedef RehashableHashtable<Symbol*, mtSymbol> RehashableSymbolHashtable;
/* JVMCI */ \
/****************/ \
\
declare_preprocessor_constant("INCLUDE_JVMCI", INCLUDE_JVMCI)
declare_preprocessor_constant("INCLUDE_JVMCI", INCLUDE_JVMCI) \
\
/****************/ \
/* VMRegImpl */ \
/****************/ \
declare_constant(VMRegImpl::stack_slot_size)
//--------------------------------------------------------------------------------
// VM_LONG_CONSTANTS

8
src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/code/VMRegImpl.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2006, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -37,6 +37,7 @@ public class VMRegImpl {
private static int stack0Val;
private static Address stack0Addr;
private static AddressField regNameField;
private static int stackSlotSize;
static {
VM.registerVMInitializedObserver(new Observer() {
@ -53,6 +54,7 @@ public class VMRegImpl {
stack0Val = (int) stack0Addr.hashCode();
stack0 = new VMReg(stack0Val);
regNameField = type.getAddressField("regName[0]");
stackSlotSize = db.lookupIntConstant("VMRegImpl::stack_slot_size");
}
public static VMReg getStack0() {
@ -67,4 +69,8 @@ public class VMRegImpl {
long addrSize = VM.getVM().getAddressSize();
return CStringUtilities.getString(regName.getAddressAt(index * addrSize));
}
public static int getStackSlotSize() {
return stackSlotSize;
}
}

4
src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/Frame.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -430,7 +430,7 @@ public abstract class Frame implements Cloneable {
// If it is passed in a register, it got spilled in the stub frame.
return regMap.getLocation(reg);
} else {
long spOffset = VM.getVM().getAddressSize() * reg.minus(stack0);
long spOffset = reg.reg2Stack() * VM.getVM().getVMRegImplInfo().getStackSlotSize();
return getUnextendedSP().addOffsetTo(spOffset);
}
}

6
src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/VMReg.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -84,4 +84,8 @@ public class VMReg {
public boolean greaterThanOrEqual(VMReg arg) { return value >= arg.value; }
public int minus(VMReg arg) { return value - arg.value; }
public int reg2Stack() {
return value - VM.getVM().getVMRegImplInfo().getStack0().getValue();
}
}