1b3e376ec0
Fix #98294. When you specify --wrap=foo, sometimes foo is undefined in any context. If you declare __real_foo as weak, GNU ld will not attempt to find the strong symbol foo, instead, it generates a weak undefined symbol. This pull request imitates this behavior by copying the binding attribute from __real_foo to foo.
24 lines
584 B
ArmAsm
24 lines
584 B
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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# RUN: ld.lld -shared -o %t.so %t.o -wrap foo
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# RUN: llvm-readelf --dyn-syms %t.so | FileCheck %s
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# CHECK: Symbol table '.dynsym' contains 4 entries:
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# CHECK: NOTYPE LOCAL DEFAULT UND
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# CHECK-NEXT: NOTYPE WEAK DEFAULT UND foo
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# CHECK-NEXT: NOTYPE GLOBAL DEFAULT [[#]] __wrap_foo
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# CHECK-NEXT: NOTYPE GLOBAL DEFAULT [[#]] _start
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.global foo
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.weak __real_foo
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.global __wrap_foo
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__wrap_foo:
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movq __real_foo@gotpcrel(%rip), %rax
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call __real_foo@plt
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.global _start
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_start:
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call foo@plt
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