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Implement NoSEH flag setting for crossgened modules in ILLink #117779

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Merged
merged 6 commits into from
Aug 6, 2025
Merged

Implement NoSEH flag setting for crossgened modules in ILLink #117779

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2214656
Initial plan
Copilot Jul 17, 2025
77cc216
Add NoSEH flag test case and individual test
Copilot Jul 17, 2025
6b74da4
Update NoSEH flag test with corrected PE header property name
Copilot Jul 17, 2025
976e823
Fix ambiguous namespace compiler errors in dotnet-linker-tests
Copilot Jul 17, 2025
8d3a5d8
Set NoSEH flag for crossgened modules in ILLink output
Copilot Aug 6, 2025
c9fa6e0
Remove NoSEH flag test as requested
Copilot Aug 6, 2025
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1 change: 1 addition & 0 deletions src/tools/illink/src/linker/Linker.Steps/OutputStep.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,7 @@ protected virtual void WriteAssembly(AssemblyDefinition assembly, string directo
module.Attributes |= ModuleAttributes.ILOnly;
module.Attributes ^= ModuleAttributes.ILLibrary;
module.Architecture = TargetArchitecture.I386; // I386+ILOnly which ultimately translates to AnyCPU
module.Characteristics |= ModuleCharacteristics.NoSEH;
}
}

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