Assert pointer relocs are aligned#113069
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MichalStrehovsky merged 3 commits intodotnet:mainfrom Jul 17, 2025
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PR Overview
This pull request introduces debug assertions to ensure pointer relocations are properly aligned during object emission.
- Adds a DEBUG-only block to iterate over relocations and check for pointer relocation alignment
- Verifies the node content's alignment against the target pointer size
Reviewed Changes
| File | Description |
|---|---|
| src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/ObjectWriter.cs | Introduces debug assertions ensuring pointer relocs and node alignment are verified |
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filipnavara
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Mar 3, 2025
src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/ObjectWriter.cs
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jkotas
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Jul 15, 2025
src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/ObjectWriter.cs
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/azp run runtime-nativeaot-outerloop |
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Azure Pipelines successfully started running 1 pipeline(s). |
This was referenced Jul 15, 2025
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/azp run runtime-nativeaot-outerloop |
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Azure Pipelines successfully started running 1 pipeline(s). |
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@dotnet/ilc-contrib could someone have a look? This is just a new assert. The Pri1 test failures are all #117654 that was fixed |
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/ba-g test failures are #117654 that was fixed |
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This is a prerequisite for disabling data dehydration on Windows by default. Straddling pointers are not a big deal with dehydration, but straddling a page boundary with a reloc on Windows is a (perf) problem.
Cc @dotnet/ilc-contrib