Add new SOS test harness - #5979
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Add a marker-driven scenario process that exposes managed stacks, heap shapes, exceptions, delegates, synchronization state, and crash points for SOS command validation across runtime versions and deployment modes. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 2bba76c7-c3b4-4774-84d5-6d21347e8ef8
Add reusable target acquisition, dump capture, debugger-host abstractions, matrix configuration, SOS output parsing, replay diagnostics, and source generation for marker constants used by command tests. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 2bba76c7-c3b4-4774-84d5-6d21347e8ef8
Run dbgeng command execution and dump capture in helper processes so debugger failures remain isolated from the xUnit test host and architecture-specific binaries are resolved correctly. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 2bba76c7-c3b4-4774-84d5-6d21347e8ef8
Add xUnit v3 command coverage for stacks, threads, heaps, objects, modules, runtime state, and diagnostic commands across supported hosts, deployment flavors, dump kinds, GC modes, runtimes, and DAC implementations. Include failure replay output and a local execution runbook. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 2bba76c7-c3b4-4774-84d5-6d21347e8ef8
Include the harness library, source generator, debugger helper hosts, and SOS.Tests project in build.sln for IDE discovery and repository builds. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 2bba76c7-c3b4-4774-84d5-6d21347e8ef8
Disable W^X for live debuggees so bpmd can patch JIT code without triggering access violations. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 2d5c60f7-9c89-42e6-b9fc-04ef78c8f8d8
Pipeline artifact transfer drops executable bits. Restore them before running the MTP test apphost or launching debuggee apphosts. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 2d5c60f7-9c89-42e6-b9fc-04ef78c8f8d8
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Use Arcade's TestToRun command path directly because UseAppHost metadata is not populated for the MTP executable. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 2d5c60f7-9c89-42e6-b9fc-04ef78c8f8d8
Publish version-matched single-file debuggees during the build and make the test harness consume the transferred immutable outputs instead of invoking dotnet publish during tests. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Copilot-Session: 886d87aa-631a-49cd-a973-aacd17a1df81
This was referenced Aug 26, 2026
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Summary
bpmdcan patch JIT code safelyThis branch is based on Lee Culver's
leculver/sos-testingwork and is opened as a draft to inspect and review the complete diff.Validation
dotnet build src\tests\SOS.Tests\SOS.Tests.csproj --no-restore --configuration DebugSOS.Tests.exe --filter-method SOS.Tests.GcWhereTests.GcWhere_Moves --parallel none: 24 passedFollow-up