Solaris userland is rather specific... A lot of utilities misses convenient options from GNU/BSD analogs. E.g., we don't have "elfdump -a" here... As always, a bit of scripting solves this problem:
elfdump -c /bin/ls |grep Header |awk ' { print $4; }' |xargs -n 1 -I '{}' elfdump -N '{}' /bin/ls