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Print stack trace on invalid memory accesses (#461)

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* Print stack trace on invalid memory accesses

* Rebased, change code region base address for 39-bits address space, print stack trace on break and undefined instructions too
This commit is contained in:
gdkchan 2018-10-20 19:07:52 -03:00 committed by Ac_K
parent 9533b338ac
commit 374e660b78
2 changed files with 21 additions and 0 deletions
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14
Events/AInvalidAccessEventArgs.cs Normal file
View file

@ -0,0 +1,14 @@
using System;
namespace ChocolArm64.Events
{
public class AInvalidAccessEventArgs : EventArgs
{
public long Position { get; private set; }
public AInvalidAccessEventArgs(long Position)
{
this.Position = Position;
}
}
}

7
Memory/AMemory.cs
View file

@ -1,3 +1,4 @@
using ChocolArm64.Events;
using ChocolArm64.Exceptions; using ChocolArm64.Exceptions;
using ChocolArm64.State; using ChocolArm64.State;
using System; using System;
@ -51,6 +52,8 @@ namespace ChocolArm64.Memory
private byte*** PageTable; private byte*** PageTable;
public event EventHandler<AInvalidAccessEventArgs> InvalidAccess;
public AMemory(IntPtr Ram) public AMemory(IntPtr Ram)
{ {
Monitors = new Dictionary<int, ArmMonitor>(); Monitors = new Dictionary<int, ArmMonitor>();
@ -512,6 +515,8 @@ Unmapped:
return (byte*)Ptr + (Position & PageMask); return (byte*)Ptr + (Position & PageMask);
} }
InvalidAccess?.Invoke(this, new AInvalidAccessEventArgs(Position));
throw new VmmPageFaultException(Position); throw new VmmPageFaultException(Position);
} }
@ -560,6 +565,8 @@ Unmapped:
return (byte*)Ptr + (Position & PageMask); return (byte*)Ptr + (Position & PageMask);
} }
InvalidAccess?.Invoke(this, new AInvalidAccessEventArgs(Position));
throw new VmmPageFaultException(Position); throw new VmmPageFaultException(Position);
} }