[net11.0] Add ReadyToRun support for CoreCLR by kotlarmilos · Pull Request #24327 · dotnet/macios

kotlarmilos · 2025-11-26T10:27:52Z

Description

This PR adds ReadyToRun support for CoreCLR. The changes from dotnet/runtime#121824 must be included in the VMR for this to work.

Changes

Introduce ReadyToRun configuration in Xamarin.Shared.Sdk.props
Update bundler environment variables in Xamarin.Shared.Sdk.targets to support ReadyToRun
Add host_runtime_contract.h to the build process in Makefile
Update coreclr-bridge.m and runtime.m for R2R image handling and logging
Update runtime.h to reflect changes in the xamarin_pinvoke_override function signature
Enable CoreCLR tests run R2R

Fixes dotnet/runtime#120052

- Introduced ReadyToRun configuration in Xamarin.Shared.Sdk.props. - Updated bundler environment variables in Xamarin.Shared.Sdk.targets to support ReadyToRun. - Added host_runtime_contract.h to the build process in Makefile. - Updated coreclr-bridge.m and runtime.m for R2R image handling and logging. - Updated runtime.h to reflect changes in the xamarin_pinvoke_override function signature.

vs-mobiletools-engineering-service2 · 2025-12-10T16:31:55Z

✅ [CI Build #b3e5e42] Build passed (Build packages) ✅

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vs-mobiletools-engineering-service2 · 2025-12-10T16:34:07Z

✅ [CI Build #b3e5e42] Build passed (Detect API changes) ✅

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vs-mobiletools-engineering-service2 · 2025-12-10T17:10:56Z

✅ [CI Build #b3e5e42] Build passed (Build macOS tests) ✅

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Hash: b3e5e42a2e153a2f1762586db67c4ba697a6e41f [PR build]

vs-mobiletools-engineering-service2 · 2025-12-10T17:11:22Z

✅ API diff for current PR / commit

NET (empty diffs)

iOS: vsdrops gist ( No breaking changes )
tvOS: vsdrops gist ( No breaking changes )
MacCatalyst: vsdrops gist ( No breaking changes )
macOS: vsdrops gist ( No breaking changes )

✅ API diff vs stable

NET (empty diffs)

iOS: vsdrops gist ( No breaking changes )
tvOS: vsdrops gist ( No breaking changes )
MacCatalyst: vsdrops gist ( No breaking changes )
macOS: vsdrops gist ( No breaking changes )

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Generator Diff: vsdrops (html) vsdrops (raw diff) gist (raw diff) - Please review changes)

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vs-mobiletools-engineering-service2 · 2025-12-10T17:32:06Z

❌ [CI Build #b3e5e42] Tests on macOS X64 - Mac Sonoma (14) failed ❌

Failed tests are:

linksdk
linkall

Pipeline on Agent
Hash: b3e5e42a2e153a2f1762586db67c4ba697a6e41f [PR build]

vs-mobiletools-engineering-service2 · 2025-12-10T17:47:17Z

❌ [CI Build #b3e5e42] Tests on macOS arm64 - Mac Sequoia (15) failed ❌

Failed tests are:

linksdk
linkall

Pipeline on Agent
Hash: b3e5e42a2e153a2f1762586db67c4ba697a6e41f [PR build]

vs-mobiletools-engineering-service2 · 2025-12-10T17:47:20Z

❌ [CI Build #b3e5e42] Tests on macOS M1 - Mac Monterey (12) failed ❌

Failed tests are:

linksdk
linkall

Pipeline on Agent
Hash: b3e5e42a2e153a2f1762586db67c4ba697a6e41f [PR build]

vs-mobiletools-engineering-service2 · 2025-12-10T17:49:13Z

❌ [CI Build #b3e5e42] Tests on macOS arm64 - Mac Tahoe (26) failed ❌

Failed tests are:

linksdk
linkall

Pipeline on Agent
Hash: b3e5e42a2e153a2f1762586db67c4ba697a6e41f [PR build]

vs-mobiletools-engineering-service2 · 2025-12-10T18:01:23Z

❌ [CI Build #b3e5e42] Tests on macOS M1 - Mac Ventura (13) failed ❌

Failed tests are:

linksdk
linkall

Pipeline on Agent
Hash: b3e5e42a2e153a2f1762586db67c4ba697a6e41f [PR build]

rolfbjarne · 2025-12-11T14:26:51Z

 		"PINVOKE_OVERRIDE",
+#endif
 		"TRUSTED_PLATFORM_ASSEMBLIES",
-		"NATIVE_DLL_SEARCH_DIRECTORIES",


Why is NATIVE_DLL_SEARCH_DIRECTORIES removed? It doesn't look related to R2R (it's also removed for Mono).

We should revert that. I see it’s used for P/Invoke path resolution. I tried to reduce the scope when testing R2R and it wasn't needed for the MAUI sample.

rolfbjarne · 2026-01-07T19:04:25Z

Closing in favor of #24437.

kotlarmilos requested a review from rolfbjarne as a code owner November 26, 2025 10:27

kotlarmilos marked this pull request as draft November 26, 2025 10:28

kotlarmilos self-assigned this Nov 26, 2025

kotlarmilos changed the title ~~Add ReadyToRun support for CoreCLR~~ [net11.0] Add ReadyToRun support for CoreCLR Nov 26, 2025

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Add perf traces

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This was referenced Nov 27, 2025

Support Mach-O as a container for R2R images dotnet/runtime#120065

Closed

[clr-ios] Update iOS SDK build to use R2R for startup path dotnet/runtime#120052

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kotlarmilos added 3 commits December 8, 2025 15:20

Merge branch 'net11.0' into feature/coreclr-r2r

c660d59

Remove DOTNET_Interpreter variable

229c1e2

Refactor ReadyToRun configuration for CoreCLR

693029b

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Strip native symbols and exclude user assemblies in Debug

b3e5e42

rolfbjarne reviewed Dec 11, 2025

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kotlarmilos mentioned this pull request Dec 12, 2025

Update MAUI iOS samples to .NET 11 workloads and add CoreCLR interpreter support dotnet/performance#5030

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rolfbjarne self-assigned this Dec 12, 2025

rolfbjarne closed this Jan 7, 2026

jonathanpeppers mentioned this pull request Feb 11, 2026

Consider storing R2R images in a separate file dotnet/android#10802

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kotlarmilos deleted the feature/coreclr-r2r branch July 3, 2026 12:41

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vs-mobiletools-engineering-service2 commented Dec 10, 2025

✅ [CI Build #b3e5e42] Build passed (Build packages) ✅

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✅ [CI Build #b3e5e42] Build passed (Detect API changes) ✅

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vs-mobiletools-engineering-service2 commented Dec 10, 2025

✅ [CI Build #b3e5e42] Build passed (Build macOS tests) ✅

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vs-mobiletools-engineering-service2 commented Dec 10, 2025

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vs-mobiletools-engineering-service2 commented Dec 10, 2025

❌ [CI Build #b3e5e42] Tests on macOS X64 - Mac Sonoma (14) failed ❌

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vs-mobiletools-engineering-service2 commented Dec 10, 2025

❌ [CI Build #b3e5e42] Tests on macOS arm64 - Mac Sequoia (15) failed ❌

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vs-mobiletools-engineering-service2 commented Dec 10, 2025

❌ [CI Build #b3e5e42] Tests on macOS M1 - Mac Monterey (12) failed ❌

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vs-mobiletools-engineering-service2 commented Dec 10, 2025

❌ [CI Build #b3e5e42] Tests on macOS arm64 - Mac Tahoe (26) failed ❌

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vs-mobiletools-engineering-service2 commented Dec 10, 2025

❌ [CI Build #b3e5e42] Tests on macOS M1 - Mac Ventura (13) failed ❌

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rolfbjarne Dec 11, 2025

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kotlarmilos commented Nov 26, 2025 •

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