configure.in (HAVE_SPARC_UA_PCREL_HIDDEN): Test whether %r_disp32() works properly...

[gcc.git] / gcc / configure.in

diff --git a/gcc/configure.in b/gcc/configure.in
index 3952de65ace263f6c02b1fc074de7d5abd0caa6a..7abf01bb641843290a6f29009631a13d4de28c7a 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -1755,10 +1755,9 @@ EOF
        if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
            gcc_cv_as_sparc_ua_pcrel=no
            echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
-           if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1; then
-               if $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
-                   gcc_cv_as_sparc_ua_pcrel=yes
-               fi
+           if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
+              && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
+               gcc_cv_as_sparc_ua_pcrel=yes
            fi
            rm -f conftest.s conftest.o conftest
        fi
@@ -1768,6 +1767,37 @@ EOF
                [Define if your assembler and linker support unaligned PC relative relocs.])
     fi
 
+    AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
+       gcc_cv_as_sparc_ua_pcrel_hidden, [
+       if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
+           gcc_cv_as_sparc_ua_pcrel_hidden=unknown
+           if test x$gcc_cv_objdump != x; then
+               gcc_cv_as_sparc_ua_pcrel_hidden=no
+               echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
+               echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
+               echo "foo: .skip 4" >> conftest.s
+               if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
+                  && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
+                  && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
+                     | grep ' 31000000 07323334' > /dev/null 2>&1; then
+                   if $gcc_cv_objdump -R conftest 2> /dev/null \
+                      | grep 'DISP32' > /dev/null 2>&1; then
+                       :
+                   else
+                       gcc_cv_as_sparc_ua_pcrel_hidden=yes
+                   fi
+               fi
+           fi
+           rm -f conftest.s conftest.o conftest
+       else
+           gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
+       fi
+    ])
+    if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
+       AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
+               [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
+    fi
+
     case "$tm_file" in
     *64*)
        AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],