sysdeps/x86_64/tst-xmmymm.sh

   1 #! /bin/bash
   2 objpfx="$1"
   3
   4 tmp=$(mktemp ${objpfx}tst-xmmymm.XXXXXX)
   5 trap 'rm -f "$tmp"' 1 2 3 15
   6
   7 # List of object files we have to test
   8 rtldobjs=$(readelf -W -wi ${objpfx}dl-allobjs.os |
   9     awk '/^ </ { if ($5 == "(DW_TAG_compile_unit)") c=1; else c=0 } $2 == "DW_AT_name" { if (c == 1) print $NF }' |
  10     sed 's,\(.*/\|\)\([_[:alnum:]-]*[.]\).$,\2os,')
  11 rtldobjs="$rtldobjs $(ar t ${objpfx}rtld-libc.a)"
  12
  13 # OBJECT symbols can be ignored.
  14 readelf -sW ${objpfx}dl-allobjs.os ${objpfx}rtld-libc.a |
  15 egrep " OBJECT  *GLOBAL " |
  16 awk '{if ($7 != "ABS") print $8 }' |
  17 sort -u > "$tmp"
  18 declare -a objects
  19 objects=($(cat "$tmp"))
  20
  21 objs="dl-runtime.os"
  22 tocheck="dl-runtime.os"
  23
  24 while test -n "$objs"; do
  25   this="$objs"
  26   objs=""
  27
  28   for f in $this; do
  29     undef=$(nm -u "$objpfx"../*/"$f" | awk '{print $2}')
  30     if test -n "$undef"; then
  31       for s in $undef; do
  32         for obj in ${objects[*]} "_GLOBAL_OFFSET_TABLE_"; do
  33           if test "$obj" = "$s"; then
  34             continue 2
  35           fi
  36         done
  37         for o in $rtldobjs; do
  38           ro=$(echo "$objpfx"../*/"$o")
  39           if nm -g --defined-only "$ro" | egrep -qs " $s\$"; then
  40             if ! (echo "$tocheck $objs" | fgrep -qs "$o"); then
  41               echo "$o needed for $s"
  42               objs="$objs $o"
  43             fi
  44             break;
  45           fi
  46         done
  47       done
  48     fi
  49   done
  50   tocheck="$tocheck$objs"
  51 done
  52
  53 echo
  54 echo
  55 echo "object files needed: $tocheck"
  56
  57 cp /dev/null "$tmp"
  58 for f in $tocheck; do
  59   objdump -d "$objpfx"../*/"$f" |
  60   awk 'BEGIN { last="" } /^[[:xdigit:]]* <[_[:alnum:]]*>:$/ { fct=substr($2, 2, length($2)-3) } /,%[xy]mm[[:digit:]]*$/ { if (last != fct) { print fct; last=fct} }' |
  61   while read fct; do
  62     if test "$fct" = "_dl_runtime_profile" -o "$fct" = "_dl_x86_64_restore_sse"; then
  63       continue;
  64     fi
  65     echo "function $fct in $f modifies xmm/ymm" >> "$tmp"
  66     result=1
  67   done
  68 done
  69
  70 if test -s "$tmp"; then
  71   echo
  72   echo
  73   cat "$tmp"
  74   result=1
  75 else
  76   result=0
  77 fi
  78
  79 rm "$tmp"
  80 exit $result