makesyms.sh

   1 #!/bin/sh
   2
   3 export LC_ALL=C
   4 MUSL=${MUSL:-../musl}
   5
   6 nm -p -P $MUSL/lib/libc.a |awk '$2~/[A-Zvw]/{print $1,$2}' |sort |uniq |awk '
   7 NR==1 {
   8         prev=$1
   9         t=$2
  10         next
  11 }
  12 {
  13         if (prev != $1) {
  14                 print t "\t" prev
  15                 prev=$1
  16                 t=$2
  17         } else
  18                 t = t $2
  19 }
  20 END {
  21         print t "\t" prev
  22 }' >data/musl.syms.all
  23
  24 # without U
  25 awk '$1!="U"{sub(/U/,"",$1); print $1 "\t" $2}' data/musl.syms.all >data/musl.syms
  26 # only U
  27 awk '$1=="U"{print $1 "\t" $2}' data/musl.syms.all >data/musl.syms.undef
  28 # seen sym kinds
  29 awk '{for(i=1; i<=length($1); i++) a[substr($1,i,1)]=1} END{for(i in a) print i}' data/musl.syms