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Unwinding Follow-up. Fix a bug in JitUnwindWindows where ... (#1238)

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... in case of "Vector" unwind codes the remaining unwind codes could be corrupted.
Nits.
This commit is contained in:
LDj3SNuD 2020-05-15 13:46:35 +02:00 • committed by GitHub
parent da3fd3f71b
commit 3b70a28087
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 101 additions and 73 deletions
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12
ARMeilleure/CodeGen/Unwinding/UnwindInfo.cs
View file

@ -3,16 +3,12 @@ namespace ARMeilleure.CodeGen.Unwinding
struct UnwindInfo
{
public UnwindPushEntry[] PushEntries { get; }
public int PrologSize { get; }
public int PrologueSize { get; }
public int FixedAllocSize { get; }
public UnwindInfo(UnwindPushEntry[] pushEntries, int prologueSize, int fixedAllocSize)
public UnwindInfo(UnwindPushEntry[] pushEntries, int prologSize)
{
PushEntries = pushEntries;
PrologueSize = prologueSize;
FixedAllocSize = fixedAllocSize;
PushEntries = pushEntries;
PrologSize = prologSize;
}
}
}

11
ARMeilleure/CodeGen/Unwinding/UnwindPseudoOperation.cs Normal file
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@ -0,0 +1,11 @@
namespace ARMeilleure.CodeGen.Unwinding
{
enum UnwindPseudoOp
{
PushReg,
SetFrame,
AllocStack,
SaveReg,
SaveXmm128
}
}

20
ARMeilleure/CodeGen/Unwinding/UnwindPushEntry.cs
View file

@ -1,20 +1,18 @@
using ARMeilleure.IntermediateRepresentation;
namespace ARMeilleure.CodeGen.Unwinding
{
struct UnwindPushEntry
{
public int Index { get; }
public UnwindPseudoOp PseudoOp { get; }
public int PrologOffset { get; }
public int RegIndex { get; }
public int StackOffsetOrAllocSize { get; }
public RegisterType Type { get; }
public int StreamEndOffset { get; }
public UnwindPushEntry(int index, RegisterType type, int streamEndOffset)
public UnwindPushEntry(UnwindPseudoOp pseudoOp, int prologOffset, int regIndex = -1, int stackOffsetOrAllocSize = -1)
{
Index = index;
Type = type;
StreamEndOffset = streamEndOffset;
PseudoOp = pseudoOp;
PrologOffset = prologOffset;
RegIndex = regIndex;
StackOffsetOrAllocSize = stackOffsetOrAllocSize;
}
}
}