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dd04357363
We should not set STT_GNU_IFUNC to symbols in .dynsym because from the other ELF module's point of view, it doens't matter whether a symbol is IFUNC or not. This is needed by Gentoo's sci-mathematics/nauty-2.6.7 package.
38 lines
701 B
Bash
Executable File
38 lines
701 B
Bash
Executable File
#!/bin/bash
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set -e
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cd $(dirname $0)
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echo -n "Testing $(basename -s .sh $0) ... "
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t=$(pwd)/tmp/$(basename -s .sh $0)
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mkdir -p $t
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cat <<EOF | cc -c -fPIC -o $t/a.o -x assembler -
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.text
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real_foobar:
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lea .Lmsg(%rip), %rdi
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xor %rax, %rax
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call printf
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xor %rax, %rax
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ret
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.globl resolve_foobar
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resolve_foobar:
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pushq %rbp
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movq %rsp, %rbp
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movq real_foobar@GOTPCREL(%rip), %rax
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popq %rbp
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ret
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.globl foobar
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.type foobar, @gnu_indirect_function
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.set foobar, resolve_foobar
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.data
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.Lmsg:
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.string "Hello world\n"
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EOF
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clang -fuse-ld=`pwd`/../mold -shared -o $t/b.so $t/a.o
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readelf --dyn-syms $t/b.so | grep -Pq '0 FUNC GLOBAL DEFAULT \d+ foobar'
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echo OK
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