3 ms·

Position Independant Executable (PIE) files are detected as shared libraries because they use the same old identifier as position independent shared libraries.

• usr1106 7y ago
  Here is an example to try and see yourself: $ cat show-addr.c #include <stdio.h> int main(int argc, char **argv) { printf("main() is at %p\n", main); } $ gcc -o show-addr show-addr.c $ file show-addr show-addr: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/l, for GNU/Linux 2.6.32, BuildID[sha1]=60c8b61a7040adccc90934bc79e24342eecae15a, not stripped $ ./show-addr main() is at 0x400526 $ ./show-addr main() is at 0x400526 $ gcc -pie -fPIC -o show-addr.pie show-addr.c $ file show-addr.pie show-addr.pie: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/l, for GNU/Linux 2.6.32, BuildID[sha1]=73ae8065a65aad4b829567b7ce3464fb5d1e3fc3, not stripped $ ./show-addr.pie main() is at 0x55c722ae1750 $ ./show-addr.pie main() is at 0x5649bf97b750 $ (edit: incomplete copy-paste fixed)