Skip to content

Implement getAsyncInfo in ILCompiler #120859

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

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

Implement getAsyncInfo in ILCompiler #120859

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
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
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 27 additions & 1 deletion src/coreclr/tools/Common/JitInterface/CorInfoImpl.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3358,7 +3358,33 @@ private void getEEInfo(ref CORINFO_EE_INFO pEEInfoOut)

private void getAsyncInfo(ref CORINFO_ASYNC_INFO pAsyncInfoOut)
{
throw new NotImplementedException();
DefType continuation = MethodBeingCompiled.Context.SystemModule.GetType("System.Runtime.CompilerServices"u8, "Continuation"u8);
Comment thread
jkotas marked this conversation as resolved.
Outdated
pAsyncInfoOut.continuationClsHnd = ObjectToHandle(continuation);
// 'Next' field
pAsyncInfoOut.continuationNextFldHnd = ObjectToHandle(continuation.GetField("Next"u8));
Comment thread
jkotas marked this conversation as resolved.
Outdated
// 'Resume' field
pAsyncInfoOut.continuationResumeFldHnd = ObjectToHandle(continuation.GetField("Resume"u8));
// 'State' field
pAsyncInfoOut.continuationStateFldHnd = ObjectToHandle(continuation.GetField("State"u8));
// 'Flags' field
pAsyncInfoOut.continuationFlagsFldHnd = ObjectToHandle(continuation.GetField("Flags"u8));
// 'Data' field
pAsyncInfoOut.continuationDataFldHnd = ObjectToHandle(continuation.GetField("Data"u8));
// 'GCData' field
pAsyncInfoOut.continuationGCDataFldHnd = ObjectToHandle(continuation.GetField("Data"u8));
Comment thread
jtschuster marked this conversation as resolved.
Outdated
// Whether or not the continuation needs to be allocated through the
// helper that also takes a method handle
pAsyncInfoOut.continuationsNeedMethodHandle = false;
Comment thread
jkotas marked this conversation as resolved.
Outdated
DefType asyncHelpers = MethodBeingCompiled.Context.SystemModule.GetType("System.Runtime.CompilerServices"u8, "AsyncHelpers"u8);
DefType executionContext = MethodBeingCompiled.Context.SystemModule.GetType("System.Threading"u8, "ExecutionContext"u8);
DefType @void = MethodBeingCompiled.Context.GetWellKnownType(WellKnownType.Void);
Comment thread
jkotas marked this conversation as resolved.
Outdated
// Method handle for AsyncHelpers.CaptureExecutionContext
pAsyncInfoOut.captureExecutionContextMethHnd = ObjectToHandle(asyncHelpers.GetMethod("CaptureExecutionContext"u8, null));
Comment thread
jkotas marked this conversation as resolved.
Outdated
// Method handle for AsyncHelpers.RestoreExecutionContext
pAsyncInfoOut.restoreExecutionContextMethHnd = ObjectToHandle(asyncHelpers.GetMethod("RestoreExecutionContext"u8, null));
pAsyncInfoOut.captureContinuationContextMethHnd = ObjectToHandle(asyncHelpers.GetMethod("CaptureContinuationContext"u8, null));
pAsyncInfoOut.captureContextsMethHnd = ObjectToHandle(asyncHelpers.GetMethod("CaptureContexts"u8, null));
pAsyncInfoOut.restoreContextsMethHnd = ObjectToHandle(asyncHelpers.GetMethod("RestoreContexts"u8, null));
}

private mdToken getMethodDefFromMethod(CORINFO_METHOD_STRUCT_* hMethod)
Expand Down
16 changes: 16 additions & 0 deletions src/coreclr/tools/Common/JitInterface/CorInfoTypes.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -878,10 +878,26 @@ public unsafe struct CORINFO_ASYNC_INFO
public CORINFO_CLASS_STRUCT_* continuationClsHnd;
// 'Next' field
public CORINFO_FIELD_STRUCT_* continuationNextFldHnd;
// 'Resume' field
public CORINFO_FIELD_STRUCT_* continuationResumeFldHnd;
// 'State' field
public CORINFO_FIELD_STRUCT_* continuationStateFldHnd;
// 'Flags' field
public CORINFO_FIELD_STRUCT_* continuationFlagsFldHnd;
// 'Data' field
public CORINFO_FIELD_STRUCT_* continuationDataFldHnd;
// 'GCData' field
public CORINFO_FIELD_STRUCT_* continuationGCDataFldHnd;
// Whether or not the continuation needs to be allocated through the
// helper that also takes a method handle
public bool continuationsNeedMethodHandle; // byte?
// 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.
Expand Down
Loading