Add half-hearted support for Clang, because its `blocks' are deficient.

[finally] / examine-binary

#! /bin/sh -e

echo "1..1"
env | sort | sed 's/^/# /'

check_exe () {
  tid=$1 exe=$2
  if ! [ -f $exe ]; then
    echo "ok $tid # skip executable not found"; return; fi
  objty=$(objdump -f $exe | sed -n '/^.*: *file format \(.*\)/s//\1/p')
  echo "# $exe object type $objty"
  case $objty in
    elf32-* | elf64-*)
      if f=$(objdump -p $exe |
	       sed -n '/^ *STACK / { n; s/^.*flags *\([-rwx]*\).*/\1/p; }')
      then
	echo "# STACK segment flags $f"
	case $f in
	  rw-) echo "ok $tid stack not executable" ;;
	  rwx) echo "not ok $tid executable stack" ;;
	  *) echo "not ok $tid unexpected stack-segment flags" ;;
	esac
      else
	echo "not ok $tid failed to find stack-segment flags"
      fi
      ;;
    pei-x86-64)
      if nm $exe | grep __enable_execute_stack; then
	echo "not ok $tid # found call to __enable_execute_stack"
      else
	echo "ok $tid # stack maybe not executable"
      fi
      ;;
  esac
}

check_exe 1 finally-test