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[Bug ld/27973] ld x86: Allow direct access to protected function symbols


From: hjl.tools at gmail dot com
Subject: [Bug ld/27973] ld x86: Allow direct access to protected function symbols
Date: Thu, 17 Jun 2021 17:39:37 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=27973

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
In executable, without PIE, there is

0000000000401040 <protected_func_1a@plt>:
  401040:       ff 25 da 2f 00 00       jmp    *0x2fda(%rip)        # 404020
<pr
otected_func_1a@Base>
  401046:       68 01 00 00 00          push   $0x1
  40104b:       e9 d0 ff ff ff          jmp    401020 <_init+0x20>

which is used as function pointer value.

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