Solaris 7 .register fix.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@66617 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 88 insertions, 21 deletions

diff --git a/libffi/ChangeLog b/libffi/ChangeLog
index e07b07fead6..b609f1d6212 100644
--- a/libffi/ChangeLog
+++ b/libffi/ChangeLog
@@ -1,3 +1,12 @@
+2003-05-07  Jeff Sturm  <jsturm@one-point.com>
+
+	Fixes PR bootstrap/10656
+	* configure.in (HAVE_AS_REGISTER_PSEUDO_OP): Test assembler
+	support for .register pseudo-op.
+	* src/sparc/v8.S: Use it.
+	* fficonfig.h.in: Rebuilt.
+	* configure: Rebuilt.
+
 2003-04-18  Jakub Jelinek  <jakub@redhat.com>
 
 	* include/ffi.h.in (POWERPC64): Define if 64-bit.
diff --git a/libffi/configure b/libffi/configure
index 6197a44a8cd..5cbef7ab2fa 100755
--- a/libffi/configure
+++ b/libffi/configure
@@ -3599,6 +3599,43 @@ echo "$ac_t""$libffi_cv_as_sparc_ua_pcrel" 1>&6
 EOF
 
     fi
+
+    echo $ac_n "checking assembler .register pseudo-op support""... $ac_c" 1>&6
+echo "configure:3600: checking assembler .register pseudo-op support" >&5
+if eval "test \"`echo '$''{'libffi_cv_as_register_pseudo_op'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  
+       libffi_cv_as_register_pseudo_op=unknown
+       # Check if we have .register
+       cat > conftest.$ac_ext <<EOF
+#line 3608 "configure"
+#include "confdefs.h"
+asm (".register %g2, #scratch");
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:3615: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  libffi_cv_as_register_pseudo_op=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  libffi_cv_as_register_pseudo_op=no
+fi
+rm -f conftest*
+    
+fi
+
+echo "$ac_t""$libffi_cv_as_register_pseudo_op" 1>&6
+    if test "x$libffi_cv_as_register_pseudo_op" = xyes; then
+       cat >> confdefs.h <<\EOF
+#define HAVE_AS_REGISTER_PSEUDO_OP 1
+EOF
+
+    fi
 fi
 
 
diff --git a/libffi/configure.in b/libffi/configure.in
index 7bb01d68ca0..e71f67344ea 100644
--- a/libffi/configure.in
+++ b/libffi/configure.in
@@ -134,6 +134,19 @@ if test x$TARGET = xSPARC; then
 	AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
 		  [Define if your assembler and linker support unaligned PC relative relocs.])
     fi
+
+    AC_CACHE_CHECK([assembler .register pseudo-op support],
+       libffi_cv_as_register_pseudo_op, [
+       libffi_cv_as_register_pseudo_op=unknown
+       # Check if we have .register
+       AC_TRY_COMPILE([asm (".register %g2, #scratch");],,
+                       [libffi_cv_as_register_pseudo_op=yes],
+                       [libffi_cv_as_register_pseudo_op=no])
+    ])
+    if test "x$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_SUBST(TARGET)
diff --git a/libffi/fficonfig.h.in b/libffi/fficonfig.h.in
index ac15aeddbd7..2b6f5817dd3 100644
--- a/libffi/fficonfig.h.in
+++ b/libffi/fficonfig.h.in
@@ -25,10 +25,6 @@
 /* Define if you have the ANSI C header files.  */
 #undef STDC_HEADERS
 
-/* Define if your processor stores words with the most significant
-   byte first (like Motorola and SPARC, unlike Intel and VAX).  */
-#undef WORDS_BIGENDIAN
-
 /* Define this if you want extra debugging */
 #undef FFI_DEBUG
 
@@ -42,32 +38,42 @@
 /* Define this is you do not want support for the raw API.  */
 #undef FFI_NO_RAW_API
 
-/* The number of bytes in a double.  */
-#undef SIZEOF_DOUBLE
+/* Define if you have the memcpy function.  */
+#undef HAVE_MEMCPY
 
-/* The number of bytes in a float.  */
-#undef SIZEOF_FLOAT
+/* The number of bytes in type short */
+#undef SIZEOF_SHORT
 
-/* The number of bytes in a int.  */
+/* The number of bytes in type int */
 #undef SIZEOF_INT
 
-/* The number of bytes in a long.  */
+/* The number of bytes in type long */
 #undef SIZEOF_LONG
 
-/* The number of bytes in a long double.  */
-#undef SIZEOF_LONG_DOUBLE
-
-/* The number of bytes in a long long.  */
+/* The number of bytes in type long long */
 #undef SIZEOF_LONG_LONG
 
-/* The number of bytes in a short.  */
-#undef SIZEOF_SHORT
+/* The number of bytes in type float */
+#undef SIZEOF_FLOAT
 
-/* The number of bytes in a void *.  */
+/* The number of bytes in type double */
+#undef SIZEOF_DOUBLE
+
+/* The number of bytes in type long double */
+#undef SIZEOF_LONG_DOUBLE
+
+/* The number of bytes in type void * */
 #undef SIZEOF_VOID_P
 
-/* Define if you have the memcpy function.  */
-#undef HAVE_MEMCPY
+/* whether byteorder is bigendian */
+#undef WORDS_BIGENDIAN
+
+/* 1234 = LIL_ENDIAN, 4321 = BIGENDIAN */
+#undef BYTEORDER
 
-/* Define if your assembler and linker support unaligned PC relative relocs.  */
+/* Define if your assembler and linker support unaligned PC relative relocs. */
 #undef HAVE_AS_SPARC_UA_PCREL
+
+/* Define if your assembler supports .register. */
+#undef HAVE_AS_REGISTER_PSEUDO_OP
+
diff --git a/libffi/src/sparc/v8.S b/libffi/src/sparc/v8.S
index 299200a089c..53374de3855 100644
--- a/libffi/src/sparc/v8.S
+++ b/libffi/src/sparc/v8.S
@@ -109,7 +109,9 @@ longlong:
 	.globl ffi_closure_v8
 
 ffi_closure_v8:
-	.register	%g2, #scratch
+#ifdef HAVE_AS_REGISTER_PSEUDO_OP
+		.register	%g2, #scratch
+#endif
 .LLFB2:
 	save	%sp, -STACKFRAME, %sp
 .LLCFI1: