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Unlike ELF targets, MachO does not support the same kind of dynamic symbol resolution at load time. Instead, the corresponding MachO feature resolves symbols lazily on first call. Reviewers: JDevlieghere, dmpolukhin, ahmedbougacha, tahonermann, echristo, MaskRay, erichkeane Reviewed By: MaskRay, echristo, ahmedbougacha Pull Request: https://github.com/llvm/llvm-project/pull/73687
19 lines
897 B
C++
19 lines
897 B
C++
// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple x86_64-apple-macosx -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple arm64-apple-macosx -emit-llvm -o - %s | FileCheck %s
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extern "C" {
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__attribute__((used)) static void *resolve_foo() { return 0; }
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__attribute__((ifunc("resolve_foo"))) char *foo();
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__attribute__((ifunc("resolve_foo"))) void foo2(int);
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__attribute__((ifunc("resolve_foo"))) char foo3(float);
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__attribute__((ifunc("resolve_foo"))) char foo4(float);
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}
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// CHECK: @resolve_foo = internal alias ptr (), ptr @_ZL11resolve_foov
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// CHECK: @foo = ifunc ptr (), ptr @_ZL11resolve_foov
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// CHECK: @foo2 = ifunc void (i32), ptr @_ZL11resolve_foov
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// CHECK: @foo3 = ifunc i8 (float), ptr @_ZL11resolve_foov
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// CHECK: @foo4 = ifunc i8 (float), ptr @_ZL11resolve_foov
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// CHECK: define internal noundef ptr @_ZL11resolve_foov()
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