derek.holloway
7502bf64a4
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42 lines
1.6 KiB
ArmAsm
42 lines
1.6 KiB
ArmAsm
# REQUIRES: x86
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# RUN: rm -rf %t && split-file %s %t
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## Ensure that we resolve the entry point to the unmangled weak alias instead of
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## the mangled library definition (which would fail with an undefined symbol).
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# RUN: llvm-mc -triple x86_64-windows-msvc -filetype obj -o %t/entry-weak.obj %t/entry-weak.s
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# RUN: llvm-mc -triple x86_64-windows-msvc -filetype obj -o %t/entry-mangled.obj %t/entry-mangled.s
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# RUN: llvm-lib -out:%t/entry-mangled.lib %t/entry-mangled.obj
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# RUN: lld-link -subsystem:console -entry:entry -out:%t/entry-weak-external.exe %t/entry-weak.obj %t/entry-mangled.lib
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# RUN: llvm-readobj --file-headers %t/entry-weak-external.exe | FileCheck %s
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## Ensure that we don't resolve the entry point to a weak alias pointing to an
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## undefined symbol (which would have caused the entry point to be 0 instead of
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## an actual address). I can't think of a way of triggering this edge case
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## without using /force:unresolved, which means it likely doesn't matter in
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## practice, but we still match link.exe's behavior for it.
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# RUN: llvm-mc -triple x86_64-windows-msvc -filetype obj -o %t/entry-weak-undefined.obj %t/entry-weak-undefined.s
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# RUN: lld-link -subsystem:console -entry:entry -force:unresolved -out:%t/entry-undefined-weak-external.exe \
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# RUN: %t/entry-weak-undefined.obj %t/entry-mangled.lib
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# RUN: llvm-readobj --file-headers %t/entry-undefined-weak-external.exe | FileCheck %s
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# CHECK: AddressOfEntryPoint: 0x1000
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#--- entry-weak.s
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.globl default_entry
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default_entry:
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ret
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.weak entry
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entry = default_entry
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#--- entry-mangled.s
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.globl "?entry@@YAHXZ"
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"?entry@@YAHXZ":
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jmp does_not_exist
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#--- entry-weak-undefined.s
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.weak entry
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entry = does_not_exist
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