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We were previously ignoring weak externals during these searches (which are used for the entry point, exports, and subsystem inference), which differed from link.exe behavior. It also meant that we could get different behavior when linking an object file directly vs. packaging it into a static library, because static library symbol name directories include weak externals. Reviewed By: mstorsjo, yozhu Differential Revision: https://reviews.llvm.org/D139764
39 lines
914 B
ArmAsm
39 lines
914 B
ArmAsm
# REQUIRES: x86
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# RUN: rm -rf %t && split-file %s %t
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## Ensure that weak externals are considered during subsystem inference.
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# RUN: llvm-mc -triple x86_64-windows-msvc -filetype obj -o %t/cui.obj %t/cui.s
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# RUN: lld-link -out:%t/cui.exe %t/cui.obj
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# RUN: llvm-readobj --file-headers %t/cui.exe | FileCheck --check-prefix=CUI %s
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# RUN: llvm-mc -triple x86_64-windows-msvc -filetype obj -o %t/gui.obj %t/gui.s
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# RUN: lld-link -out:%t/gui.exe %t/gui.obj
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# RUN: llvm-readobj --file-headers %t/gui.exe | FileCheck --check-prefix=GUI %s
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# CUI: Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
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# GUI: Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
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#--- cui.s
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.global default_main
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default_main:
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ret
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.weak main
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main = default_main
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.global mainCRTStartup
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mainCRTStartup:
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ret
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#--- gui.s
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.global default_WinMain
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default_WinMain:
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ret
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.weak WinMain
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WinMain = default_WinMain
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.global WinMainCRTStartup
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WinMainCRTStartup:
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ret
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