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Implement getAsyncInfo in ILCompiler #120859

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Merged
jkotas merged 5 commits into from
Oct 21, 2025
Merged

Implement getAsyncInfo in ILCompiler #120859

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e8ef453
Implement getAsyncInfo in ILCompiler
jtschuster Oct 17, 2025
0cf52dc
Update src/coreclr/tools/Common/JitInterface/CorInfoImpl.cs
jtschuster Oct 17, 2025
7bb7b1b
Merge branch 'main' of https://github.com/dotnet/runtime into GetAsyn…
jtschuster Oct 18, 2025
a728fdb
Use new CORINFO_ASYNC_INFO, PR Feedback
jtschuster Oct 19, 2025
acc8823
Merge branch 'main' into GetAsyncInfoR2R
jtschuster Oct 20, 2025
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14 changes: 13 additions & 1 deletion src/coreclr/tools/Common/JitInterface/CorInfoImpl.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -3358,7 +3358,19 @@ private void getEEInfo(ref CORINFO_EE_INFO pEEInfoOut)

private void getAsyncInfo(ref CORINFO_ASYNC_INFO pAsyncInfoOut)
{
throw new NotImplementedException();
DefType continuation = _compilation.TypeSystemContext.SystemModule.GetKnownType("System.Runtime.CompilerServices"u8, "Continuation"u8);
pAsyncInfoOut.continuationClsHnd = ObjectToHandle(continuation);
pAsyncInfoOut.continuationNextFldHnd = ObjectToHandle(continuation.GetKnownField("Next"u8));
pAsyncInfoOut.continuationResumeFldHnd = ObjectToHandle(continuation.GetKnownField("Resume"u8));
pAsyncInfoOut.continuationStateFldHnd = ObjectToHandle(continuation.GetKnownField("State"u8));
pAsyncInfoOut.continuationFlagsFldHnd = ObjectToHandle(continuation.GetKnownField("Flags"u8));
DefType asyncHelpers = _compilation.TypeSystemContext.SystemModule.GetKnownType("System.Runtime.CompilerServices"u8, "AsyncHelpers"u8);
DefType executionContext = _compilation.TypeSystemContext.SystemModule.GetKnownType("System.Threading"u8, "ExecutionContext"u8);
pAsyncInfoOut.captureExecutionContextMethHnd = ObjectToHandle(asyncHelpers.GetKnownMethod("CaptureExecutionContext"u8, null));
pAsyncInfoOut.restoreExecutionContextMethHnd = ObjectToHandle(asyncHelpers.GetKnownMethod("RestoreExecutionContext"u8, null));
pAsyncInfoOut.captureContinuationContextMethHnd = ObjectToHandle(asyncHelpers.GetKnownMethod("CaptureContinuationContext"u8, null));
pAsyncInfoOut.captureContextsMethHnd = ObjectToHandle(asyncHelpers.GetKnownMethod("CaptureContexts"u8, null));
pAsyncInfoOut.restoreContextsMethHnd = ObjectToHandle(asyncHelpers.GetKnownMethod("RestoreContexts"u8, null));
}

private CORINFO_CLASS_STRUCT_* getContinuationType(nuint dataSize, ref bool objRefs, nuint objRefsSize)
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17 changes: 13 additions & 4 deletions src/coreclr/tools/Common/JitInterface/CorInfoTypes.cs
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Expand Up @@ -878,10 +878,19 @@ public unsafe struct CORINFO_ASYNC_INFO
public CORINFO_CLASS_STRUCT_* continuationClsHnd;
// 'Next' field
public CORINFO_FIELD_STRUCT_* continuationNextFldHnd;
// 'Data' field
public CORINFO_FIELD_STRUCT_* continuationDataFldHnd;
// 'GCData' field
public CORINFO_FIELD_STRUCT_* continuationGCDataFldHnd;
// 'Resume' field
public CORINFO_FIELD_STRUCT_* continuationResumeFldHnd;
// 'State' field
public CORINFO_FIELD_STRUCT_* continuationStateFldHnd;
// 'Flags' field
public CORINFO_FIELD_STRUCT_* continuationFlagsFldHnd;
// Method handle for AsyncHelpers.CaptureExecutionContext
public CORINFO_METHOD_STRUCT_* captureExecutionContextMethHnd;
// Method handle for AsyncHelpers.RestoreExecutionContext
public CORINFO_METHOD_STRUCT_* restoreExecutionContextMethHnd;
public CORINFO_METHOD_STRUCT_* captureContinuationContextMethHnd;
public CORINFO_METHOD_STRUCT_* captureContextsMethHnd;
public CORINFO_METHOD_STRUCT_* restoreContextsMethHnd;
}

// Flags passed from JIT to runtime.
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