* configure.ac (HAVE_AS_CFI_PSEUDO_OP): New test.

	* configure: Regenerate.
	* fficonfig.h.in: Regenerate.
	* src/m68k/sysv.S (CFI_STARTPROC,CFI_ENDPROC,
	CFI_OFFSET,CFI_DEF_CFA): New macros.
	(ffi_call_SYSV): Add callframe annotation.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124600 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 64 insertions, 0 deletions

diff --git a/libffi/configure b/libffi/configure
index 0b8c79ccb38..2c4706e11ff 100755
--- a/libffi/configure
+++ b/libffi/configure
@@ -7444,6 +7444,70 @@ presetting ac_cv_c_bigendian=no (or yes) will help" >&2;}
 esac
 
 
+echo "$as_me:$LINENO: checking assembler .cfi pseudo-op support" >&5
+echo $ECHO_N "checking assembler .cfi pseudo-op support... $ECHO_C" >&6
+if test "${libffi_cv_as_cfi_pseudo_op+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+    libffi_cv_as_cfi_pseudo_op=unknown
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+asm (".cfi_startproc\n\t.cfi_endproc");
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  libffi_cv_as_cfi_pseudo_op=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+libffi_cv_as_cfi_pseudo_op=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:$LINENO: result: $libffi_cv_as_cfi_pseudo_op" >&5
+echo "${ECHO_T}$libffi_cv_as_cfi_pseudo_op" >&6
+if test "x$libffi_cv_as_cfi_pseudo_op" = xyes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_AS_CFI_PSEUDO_OP 1
+_ACEOF
+
+fi
+
 if test x$TARGET = xSPARC; then
     echo "$as_me:$LINENO: checking assembler and linker support unaligned pc related relocs" >&5
 echo $ECHO_N "checking assembler and linker support unaligned pc related relocs... $ECHO_C" >&6