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2009-11-08 Aurelien Jarno <aurelien@aurel32.net>
* elf/ldd.bash.in: also handle error code 126 (ld.so non
executable). Always trace dynamic library dependencies through
the dynamic linker.
--- a/elf/ldd.bash.in
+++ b/elf/ldd.bash.in
@@ -153,8 +153,6 @@ for file do
echo "ldd: ${file}:" $"not regular file" >&2
result=1
elif test -r "$file"; then
- test -x "$file" || echo 'ldd:' $"\
-warning: you do not have execution permission for" "\`$file'" >&2
RTLD=
ret=1
for rtld in ${RTLDLIST}; do
@@ -167,28 +165,16 @@ warning: you do not have execution permission for" "\`$file'" >&2
fi
done
case $ret in
- 0)
- # If the program exits with exit code 5, it means the process has been
- # invoked with __libc_enable_secure. Fall back to running it through
- # the dynamic linker.
- try_trace "$file"
- rc=$?
- if [ $rc = 5 ]; then
- try_trace "$RTLD" "$file"
- rc=$?
- fi
- [ $rc = 0 ] || result=1
+ 0|2)
+ try_trace "$RTLD" "$file" || result=1
;;
- 1)
+ 1|126)
# This can be a non-ELF binary or no binary at all.
nonelf "$file" || {
echo $" not a dynamic executable"
result=1
}
;;
- 2)
- try_trace "$RTLD" "$file" || result=1
- ;;
*)
echo 'ldd:' ${RTLD} $"exited with unknown exit code" "($ret)" >&2
exit 1
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