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Why is _dl_relocate_static_pie linked into crt1.o?


I see this:

“
$ objdump -d --reloc /usr/lib64/crt1.o

/usr/lib64/crt1.o:     file format elf64-x86-64


Disassembly of section .text:

0000000000000000 <_start>:
   0:   31 ed                   xor    %ebp,%ebp
   2:   49 89 d1                mov    %rdx,%r9
   5:   5e                      pop    %rsi
   6:   48 89 e2                mov    %rsp,%rdx
   9:   48 83 e4 f0             and    $0xfffffffffffffff0,%rsp
…

0000000000000030 <_dl_relocate_static_pie>:
  30:   c3                      retq
”

Isn't _dl_relocate_static_pie useless there? It will not be used in dynamically linked binaries. Should it be included in libc_nonshared.a instead, so that static PIE binaries pick it up, as needed?

Thanks,
Florian


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