proc_pid_auxv - Man Page

/proc/pid/auxv (since Linux 2.6.0)

This contains the contents of the ELF interpreter information passed to the process at exec time. The format is one unsigned long ID plus one unsigned long value for each entry. The last entry contains two zeros. See also getauxval(3).

Permission to access this file is governed by a ptrace access mode PTRACE_MODE_READ_FSCREDS check; see ptrace(2).

proc(5)