github.com/axw/llgo@v0.0.0-20160805011314-95b5fe4dca20/third_party/gofrontend/libbacktrace/filetype.awk (about)

     1  # An awk script to determine the type of a file.
     2  /\177ELF\001/ { if (NR == 1) { print "elf32"; exit } }
     3  /\177ELF\002/ { if (NR == 1) { print "elf64"; exit } }