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[SR-15938] Error when referencing #dsohandle in a Swift test on Windows #58199

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grynspan opened this issue Mar 4, 2022 · 1 comment
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[SR-15938] Error when referencing #dsohandle in a Swift test on Windows #58199

grynspan opened this issue Mar 4, 2022 · 1 comment
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler directives Feature: compiler directives (#if, #warning, #error, etc.) compiler The Swift compiler in itself platform support TBDGen Windows Platform: Windows

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grynspan commented Mar 4, 2022

Previous ID SR-15938
Radar None
Original Reporter @grynspan
Type Bug
Status Closed
Resolution Done
Additional Detail from JIRA
Votes 0
Component/s swift
Labels Bug
Assignee @grynspan
Priority Medium

md5: f7e5912816979bdef02552a32331f998

relates to:

  • SR-12821 Symbol is in generated IR file, but not in TBD file

Issue Description:

When writing a new Swift test (in the repo), if you reference #dsohandle, the build will fail at link time with this error:

<unknown>:0: error: symbol '__ImageBase' (__ImageBase) is in generated IR file, but not in TBD file

__ImageBase is the Windows equivalent of __dso_handle and is the symbol the compiler transforms #dsohandle into. It is supposed to be automagically generated by MSVC++ and points to the start of the COFF image being built (much like how __dso_handle points to the start of the Mach header on Apple platforms.)

Note: JIRA is fighting with me in re styling for the symbols I named above. ImageBase should have two leading underscores (and does in the compiler.) If it's showing up with just one, that's a JIRA thing.
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Resolved on ToT.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added Windows Platform: Windows TBDGen compiler directives Feature: compiler directives (#if, #warning, #error, etc.) compiler The Swift compiler in itself platform support and removed swift labels Jan 16, 2023
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Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler directives Feature: compiler directives (#if, #warning, #error, etc.) compiler The Swift compiler in itself platform support TBDGen Windows Platform: Windows
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