[NativeAOT-LLVM] Merge nov25

.config/dotnet-tools.json

@@ -15,7 +15,7 @@
       ]
     },
     "microsoft.dotnet.xharness.cli": {
-      "version": "10.0.0-prerelease.25412.1",
+      "version": "10.0.0-prerelease.25506.2",
       "commands": [
         "xharness"
       ]

.devcontainer/android/devcontainer.json

@@ -29,7 +29,8 @@
 		"vscode": {
 			// Add the IDs of extensions you want installed when the container is created.
 			"extensions": [
-				"ms-dotnettools.csharp"
+				"ms-dotnettools.csharp",
+				"ms-dotnettools.csdevkit"
 			],
 			"settings": {
 				// Loading projects on demand is better for larger codebases

.devcontainer/devcontainer.json

@@ -9,7 +9,8 @@
 	},
 	"hostRequirements": {
 		"cpus": 4,
-		"memory": "8gb"
+		"memory": "8gb",
+		"storage": "64gb"
 	},
 
 	"features": {
@@ -22,7 +23,8 @@
 		"vscode": {
 			// Add the IDs of extensions you want installed when the container is created.
 			"extensions": [
-				"ms-dotnettools.csharp"
+				"ms-dotnettools.csharp",
+				"ms-dotnettools.csdevkit"
 			],
 			"settings": {
 				// Loading projects on demand is better for larger codebases

.devcontainer/libraries/devcontainer.json

@@ -9,7 +9,8 @@
 	},
 	"hostRequirements": {
 		"cpus": 4,
-		"memory": "8gb"
+		"memory": "8gb",
+		"storage": "64gb"
 	},
 
 	"features": {
@@ -22,7 +23,8 @@
 		"vscode": {
 			// Add the IDs of extensions you want installed when the container is created.
 			"extensions": [
-				"ms-dotnettools.csharp"
+				"ms-dotnettools.csharp",
+				"ms-dotnettools.csdevkit"
 			],
 			"settings": {
 				// Loading projects on demand is better for larger codebases

.devcontainer/wasm-multiThreaded/devcontainer.json

@@ -23,7 +23,8 @@
 		"vscode": {
 			// Add the IDs of extensions you want installed when the container is created.
 			"extensions": [
-				"ms-dotnettools.csharp"
+				"ms-dotnettools.csharp",
+				"ms-dotnettools.csdevkit"
 			],
 			"settings": {
 				// Loading projects on demand is better for larger codebases

.devcontainer/wasm/devcontainer.json

@@ -23,7 +23,8 @@
 		"vscode": {
 			// Add the IDs of extensions you want installed when the container is created.
 			"extensions": [
-				"ms-dotnettools.csharp"
+				"ms-dotnettools.csharp",
+				"ms-dotnettools.csdevkit"
 			],
 			"settings": {
 				// Loading projects on demand is better for larger codebases

.editorconfig

@@ -12,6 +12,10 @@ indent_style = space
 indent_size = 4
 trim_trailing_whitespace = true
 
+# Specify UTF-8 without byte-order mark
+[*.{csproj,locproj,nativeproj,proj,resx,slnx,vbproj}]
+charset = utf-8
+
 # Generated code
 [*{_AssemblyInfo.cs,.notsupported.cs,AsmOffsets.cs}]
 generated_code = true
@@ -95,7 +99,7 @@ dotnet_style_collection_initializer = true:suggestion
 dotnet_style_prefer_collection_expression = when_types_exactly_match
 dotnet_style_explicit_tuple_names = true:suggestion
 dotnet_style_coalesce_expression = true:suggestion
-dotnet_style_null_propagation = true:suggestion
+dotnet_style_null_propagation = true
 dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion
 dotnet_style_prefer_inferred_tuple_names = true:suggestion
 dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion
@@ -168,23 +172,26 @@ indent_brace_style = Allman
 [*.{csproj,vbproj,vcxproj,vcxproj.filters,proj,nativeproj,locproj}]
 indent_size = 2
 
-[*.{csproj,vbproj,proj,nativeproj,locproj}]
-charset = utf-8
-
 # Xml build files
 [*.builds]
 indent_size = 2
 
 # Xml files
-[*.{xml,stylecop,resx,ruleset}]
+[*.{resx,ruleset,slnx,stylecop,xml}]
 indent_size = 2
 
+# Xml resource files
+[*.resx]
+# match Visual Studio behavior
+insert_final_newline = false
+trim_trailing_whitespace = false
+
 # Xml config files
 [*.{props,targets,config,nuspec}]
 indent_size = 2
 
-# YAML config files
-[*.{yml,yaml}]
+# Data serialization
+[*.{json,yaml,yml}]
 indent_size = 2
 
 # Shell scripts

.github/CODEOWNERS-stop-notifications

@@ -63,6 +63,7 @@
 /src/mono/dlls @thaystg @steveisok @vitek-karas
 
 /src/native/public/mono @steveisok @vitek-karas
+/src/native/eventpipe @noahfalk @lateralusX @mdh1418
 /src/native/external/libunwind @janvorli @AaronRobinsonMSFT @dotnet/dotnet-diag
 /src/native/external/libunwind_extras @janvorli @AaronRobinsonMSFT @dotnet/dotnet-diag
 

.github/copilot-instructions.md

@@ -2,6 +2,8 @@
 
 You MUST make your best effort to ensure your changes satisfy those criteria before committing. If for any reason you were unable to build or test the changes, you MUST report that. You MUST NOT claim success unless all builds and tests pass as described above.
 
+Do not complete without checking the relevant code builds and relevant tests still pass after the last edits you make. Do not simply assume that your changes fix test failures you see, actually build and run those tests again to confirm.
+
 You MUST refer to the [Building & Testing in dotnet/runtime](#building--testing-in-dotnetruntime) instructions and use the commands and approaches specified there before attempting your own suggestions.
 
 You MUST follow all code-formatting and naming conventions defined in [`.editorconfig`](/.editorconfig).
@@ -21,6 +23,7 @@ In addition to the rules enforced by `.editorconfig`, you SHOULD:
 - When running tests, if possible use filters and check test run counts, or look at test logs, to ensure they actually ran.
 - Do not finish work with any tests commented out or disabled that were not previously commented out or disabled.
 - When writing tests, do not emit "Act", "Arrange" or "Assert" comments.
+- For markdown (`.md`) files, ensure there is no trailing whitespace at the end of any line.
 
 ---
 
@@ -187,6 +190,8 @@ From the repository root:
     - [Build Libraries](/docs/workflow/building/libraries/README.md)
     - [Testing Libraries](/docs/workflow/testing/libraries/testing.md)
 
+When working on changes limited to a specific library, do not complete without at least running all tests for that library and confirming they pass. For example if you are working within "System.Text.RegularExpressions" then make sure after your last edits that all the test libraries under `src\libraries\System.Text.RegularExpressions\tests` pass. It is OK to filter to relevant specific tests during your work, but before returning, ensure that, at least, ALL tests for the library do pass.
+
 ### 5.1. How To: Identify Affected Libraries
 
 For each changed file under `src/libraries/`, find the matching library and its test project(s).

.github/prompts/add-new-jit-ee-api.prompt.md

@@ -1,23 +1,23 @@
 ---
 mode: 'agent'
-tools: ['githubRepo', 'codebase', 'terminalLastCommand']
+tools: ['fetch', 'codebase', 'runCommands', 'usages', 'search', 'think']
 description: 'Add a new API to the JIT-VM (aka JIT-EE) interface in the codebase.'
 ---
 
 #### 1 — Goal
 
-Implement **one** new JIT-VM (also known as JIT-EE) API and all supporting glue. 
+Implement **one** new JIT-VM (also known as JIT-EE) API and all supporting glue.
 The JIT-VM interface defines the APIs through which the JIT compiler communicates with the runtime (VM).
 
 #### 2 — Prerequisites for the model
 
 * You have full repo access
-* You may run scripts (e.g., `.sh` or `.bat`) 
+* You may run scripts (e.g., `.sh` or `.bat`)
 * Ask **clarifying questions** before the first code change if anything (signature, types, platform constraints) is unclear.
 
 #### 3 — Required user inputs
 
-Ask the user for a C-like signature of the new API if it's not provided. 
+Ask the user for a C-like signature of the new API if it's not provided.
 Suggest `<repo_root>/src/coreclr/tools/Common/JitInterface/ThunkGenerator/ThunkInput.txt` file as a reference. Example:
 
 ```
@@ -83,8 +83,8 @@ Use the correct directory for the script to run.
 +}
 ```
 
-6. Now implement the most complex part - SuperPMI. SuperPMI acts as a (de)serializer for JIT-VM queries in order 
-to then replay them without the actual VM to speed up jit-diffs and other scenarios. All parameters and return 
+6. Now implement the most complex part - SuperPMI. SuperPMI acts as a (de)serializer for JIT-VM queries in order
+to then replay them without the actual VM to speed up jit-diffs and other scenarios. All parameters and return
 values recorded/restored using special primitve types and helpers. We need to update the following files:
 
 * `<repo_root>/src/coreclr/tools/superpmi/superpmi-shared/agnostic.h`:
@@ -96,7 +96,7 @@ Go through each of them one by one.
 
 * `<repo_root>/src/coreclr/tools/superpmi/superpmi-shared/agnostic.h`:
 Define two `Agnostic_*` types for input arguments and another one for output parameters (return value, output arguments).
- Do not create them if one of the generics ones can be re-used such as `DLD`, `DD`, `DLDL`, etc. Use `DWORD*` 
+ Do not create them if one of the generics ones can be re-used such as `DLD`, `DD`, `DLDL`, etc. Use `DWORD*`
  like types for integers. Inspect the whole file to see how other APIs are defined.
 
 * `<repo_root>/src/coreclr/tools/superpmi/superpmi-shared/lwmlist.h`:
@@ -126,7 +126,7 @@ Now add a new element to `enum mcPackets` enum in the same file. Example:
 ```
 
 * `<repo_root>/src/coreclr/tools/superpmi/superpmi-shared/methodcontext.cpp`:
-Add the implementation of the 3 methods to `methodcontext.cpp` at the end of it. 
+Add the implementation of the 3 methods to `methodcontext.cpp` at the end of it.
 Consider other similar methods in the file for reference. Do not change implementations of other methods in the file. Example:
 
 ```diff

.github/workflows/backport.yml

@@ -46,7 +46,8 @@ jobs:
 
         **IMPORTANT**: If this backport is for a servicing release, please verify that:
 
-        - The PR target branch is `release/X.0-staging`, not `release/X.0`.
+        - For .NET 8 and .NET 9: The PR target branch is `release/X.0-staging`, not `release/X.0`.
+        - For .NET 10+: The PR target branch is `release/X.0` (no `-staging` suffix).
 
         ## Package authoring no longer needed in .NET 9
 

.github/workflows/bump-chrome-version.yml

@@ -47,7 +47,7 @@ jobs:
 
       - name: Create PR
         if: steps.check_changes.outputs.has_changes == 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { CHROME_LINUX_VER, CHROME_WIN_VER } = process.env;

.github/workflows/jit-format.yml

@@ -15,7 +15,7 @@ jobs:
         os:
           - name: linux
             image: ubuntu-latest
-            container: mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net10.0-cross-amd64
+            container: mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net11.0-cross-amd64
             extension: '.sh'
             cross: '--cross'
             rootfs: '/crossrootfs/x64'
@@ -29,15 +29,15 @@ jobs:
     name: Format jit codebase ${{ matrix.os.name }}
     steps:
       - name: Install .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: '8.0.x'
       - name: Checkout runtime
         uses: actions/checkout@v5
         with:
           path: runtime
       - name: Install Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
 
       - name: Run jitformat.py
         run: |

.github/workflows/markdownlint.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Use Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: 'lts/*'
     - name: Run Markdownlint

.gitignore

@@ -189,6 +189,7 @@ node_modules/
 *.metaproj.tmp
 bin.localpkg/
 .mono/
+*.d.ts.sha256
 
 # RIA/Silverlight projects
 Generated_Code/

Directory.Build.props

@@ -269,10 +269,6 @@
     <WarningsNotAsErrors Condition="'$(OfficialBuild)' != 'true' OR '$(NuGetAuditWarnNotError)' == 'true'">$(WarningsNotAsErrors);NU1901;NU1902;NU1903;NU1904</WarningsNotAsErrors>
     <!-- Warnings to always disable -->
     <NoWarn>$(NoWarn);CS8500;CS8969</NoWarn>
-    <!-- Don't warn about redundant equality -->
-    <NoWarn>$(NoWarn);IDE0100</NoWarn>
-    <!-- Don't warn about unused parameters -->
-    <NoWarn>$(NoWarn);IDE0060</NoWarn>
     <!-- Suppress "CS1591 - Missing XML comment for publicly visible type or member" compiler errors for private assemblies. -->
     <NoWarn Condition="'$(IsPrivateAssembly)' == 'true'">$(NoWarn);CS1591</NoWarn>
     <!-- Always pass portable to override arcade sdk which uses embedded for local builds -->

NuGet.config

@@ -19,13 +19,9 @@
     <add key="dotnet-libraries-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-libraries-transport/nuget/v3/index.json" />
     <add key="dotnet10" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet10/nuget/v3/index.json" />
     <add key="dotnet10-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet10-transport/nuget/v3/index.json" />
-    <!-- Need for prototype Roslyn compiler for runtime-async -->
-    <add key="general-testing" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/general-testing/nuget/v3/index.json" />
+    <add key="dotnet11" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet11/nuget/v3/index.json" />
+    <add key="dotnet11-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet11-transport/nuget/v3/index.json" />
   </packageSources>
-  <auditSources>
-    <clear />
-    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
-  </auditSources>
   <disabledPackageSources>
     <clear />
   </disabledPackageSources>

README.md

@@ -62,7 +62,7 @@ We welcome contributions! Many people all over the world have helped make this p
 
 ## Reporting security issues and security bugs
 
-Security issues and bugs should be reported privately, via email, to the Microsoft Security Response Center (MSRC) <secure@microsoft.com>. You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Further information, including the MSRC PGP key, can be found in the [Security TechCenter](https://www.microsoft.com/msrc/faqs-report-an-issue). You can also find these instructions in this repo's [Security doc](SECURITY.md).
+Security issues and bugs should be reported privately to the Microsoft Security Response Center (MSRC) via the [MSRC Researcher Portal](https://msrc.microsoft.com/report/vulnerability/new). You should receive a response within 24 hours. Further information can be found in the [Security TechCenter](https://www.microsoft.com/msrc/faqs-report-an-issue). You can also find these instructions in this repo's [Security doc](SECURITY.md).
 
 Also see info about related [Microsoft .NET Bounty Program](https://www.microsoft.com/msrc/bounty-dot-net-core).
 

SECURITY.md

@@ -6,9 +6,9 @@ The .NET Core and ASP.NET Core support policy, including supported versions can
 
 ## Reporting a Vulnerability
 
-Security issues and bugs should be reported privately to the Microsoft Security Response Center (MSRC), either by emailing secure@microsoft.com or via the portal at https://msrc.microsoft.com.
+Security issues and bugs should be reported privately to the Microsoft Security Response Center (MSRC), via the [MSRC Researcher Portal](https://msrc.microsoft.com/report/vulnerability/new).
 You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your
-original message. Further information, including the MSRC PGP key, can be found in the [MSRC Report an Issue FAQ](https://www.microsoft.com/en-us/msrc/faqs-report-an-issue).
+original message. Further information can be found in the [MSRC Report an Issue FAQ](https://www.microsoft.com/en-us/msrc/faqs-report-an-issue).
 
 Reports via MSRC may qualify for the .NET Core Bug Bounty. Details of the .NET Core Bug Bounty including terms and conditions are at [https://aka.ms/corebounty](https://aka.ms/corebounty).
 

THIRD-PARTY-NOTICES.TXT

@@ -102,33 +102,6 @@ http://www.apache.org/licenses/
 Copyright The OpenTelemetry Authors
 
 
-License notice for LinuxTracepoints
------------------------------------
-
-https://github.com/microsoft/LinuxTracepoints/blob/main/LICENSE
-
-Copyright (c) Microsoft Corporation.
-
-MIT License
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE
-
 License notice for Mono
 -------------------------------