nptl_db/db-symbols.awk

   1 # This script processes the output of 'readelf -W -s' on the libpthread.so
   2 # we've just built.  It checks for all the symbols used in td_symbol_list.
   3
   4 BEGIN {
   5 %define DB_LOOKUP_NAME(idx, name)               required[STRINGIFY (name)] = 1;
   6 %define DB_LOOKUP_NAME_TH_UNIQUE(idx, name)     th_unique[STRINGIFY (name)] = 1;
   7 %include "db-symbols.h"
   8
   9    in_symtab = 0;
  10 }
  11
  12 /Symbol table '.symtab'/ { in_symtab=1; next }
  13 NF == 0 { in_symtab=0; next }
  14
  15 !in_symtab { next }
  16
  17 NF >= 8 && $7 != "UND" { seen[$NF] = 1 }
  18
  19 END {
  20   status = 0;
  21
  22   for (s in required) {
  23     if (s in seen) print s, "ok";
  24     else {
  25       status = 1;
  26       print s, "***MISSING***";
  27     }
  28   }
  29
  30   any = "";
  31   for (s in th_unique) {
  32     if (s in seen) {
  33       any = s;
  34       break;
  35     }
  36   }
  37   if (any)
  38     print "th_unique:", any;
  39   else {
  40     status = 1;
  41     print "th_unique:", "***MISSING***";
  42   }
  43
  44   exit(status);
  45 }