/usr/share/radare/magic/elf is in radare-common 1:1.5.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | # Usage: file -m <this-file> <elf-file>
#
# magic stuff for elfs
# ELF magic ID
0 string \x7fELF (ELF)
# Machine
>0x12 short 2 (machine 'sparc)
>0x12 short 3 (machine 'i386)
>0x12 short 4 (machine '68k)
>0x12 short 8 (machine 'mips)
>0x12 short 20 (machine 'powerpc)
>0x12 short x (machine 'machine)
# Entry point
>>0x18 lelong !0 (entry %x)
# ELF header size
#>>>0x22 short !0 (ehsize %p)
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