makesyms.sh

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