+if test x$TARGET = xSPARC; then
+ AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
+ libffi_cv_as_sparc_ua_pcrel, [
+ save_CFLAGS="$CFLAGS"
+ save_LDFLAGS="$LDFLAGS"
+ CFLAGS="$CFLAGS -fpic"
+ LDFLAGS="$LDFLAGS -shared"
+ AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],,
+ [libffi_cv_as_sparc_ua_pcrel=yes],
+ [libffi_cv_as_sparc_ua_pcrel=no])
+ CFLAGS="$save_CFLAGS"
+ LDFLAGS="$save_LDFLAGS"])
+ if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then
+ AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
+ [Define if your assembler and linker support unaligned PC relative relocs.])
+ fi
+
+ AC_CACHE_CHECK([assembler .register pseudo-op support],
+ libffi_cv_as_register_pseudo_op, [
+ libffi_cv_as_register_pseudo_op=unknown
+ # Check if we have .register
+ AC_TRY_COMPILE([asm (".register %g2, #scratch");],,
+ [libffi_cv_as_register_pseudo_op=yes],
+ [libffi_cv_as_register_pseudo_op=no])
+ ])
+ if test "x$libffi_cv_as_register_pseudo_op" = xyes; then
+ AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
+ [Define if your assembler supports .register.])
+ fi
+fi
+
+AC_CACHE_CHECK([whether .eh_frame section should be read-only],
+ libffi_cv_ro_eh_frame, [
+ libffi_cv_ro_eh_frame=no
+ echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c
+ if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then
+ if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then
+ libffi_cv_ro_eh_frame=yes
+ elif grep '.section.*eh_frame.*#alloc' conftest.c \
+ | grep -v '#write' > /dev/null; then
+ libffi_cv_ro_eh_frame=yes
+ fi
+ fi
+ rm -f conftest.*
+ ])
+if test "x$libffi_cv_ro_eh_frame" = xyes; then
+ AC_DEFINE(HAVE_RO_EH_FRAME, 1,
+ [Define if .eh_frame sections should be read-only.])
+fi