diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index afa56a7b211..3aadf49bdf3 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,21 @@
+2003-03-16  Tom Tromey  <tromey@redhat.com>
+
+	* resolve.cc (ncode): Use _Jv_platform_ffi_abi.
+	Include platform.h.
+	* java/lang/natRuntime.cc (insertSystemProperties): Use
+	_Jv_platform_path_separator.
+	(nativeGetLibname): Use _Jv_platform_file_separator.
+	(_load): Use _Jv_platform_onload_names.
+	(onload_names): New global.
+	* include/win32.h (_Jv_platform_file_separator): New define.
+	(_Jv_platform_path_separator): Likewise.
+	(_Jv_platform_onload_names): Likewise.
+	(_Jv_platform_ffi_abi): Likewise.
+	* include/posix.h (_Jv_platform_file_separator): New define.
+	(_Jv_platform_path_separator): Likewise.
+	(_Jv_platform_onload_names): Likewise.
+	(_Jv_platform_ffi_abi): Likewise.
+
 2003-03-14  Hans Boehm  <Hans.Boehm@hp.com>
 
 	* java/lang/natObject.cc (JV_SYNC_HASH): replace signed % by &.
diff --git a/libjava/include/posix.h b/libjava/include/posix.h
index 0aadd47d3b3..bbec6d1737f 100644
--- a/libjava/include/posix.h
+++ b/libjava/include/posix.h
@@ -44,6 +44,18 @@ details.  */
 #define _Jv_platform_solib_prefix "lib"
 #define _Jv_platform_solib_suffix ".so"
 
+// Separator for file name components.
+#define _Jv_platform_file_separator ((jchar) '/')
+// Separator for path components.
+#define _Jv_platform_path_separator ((jchar) ':')
+
+// List of names for `JNI_OnLoad'.
+#define _Jv_platform_onload_names { "JNI_OnLoad", NULL }
+
+// Type of libffi ABI used by JNICALL methods.  NOTE: This must agree
+// with the JNICALL definition in jni.h
+#define _Jv_platform_ffi_abi FFI_DEFAULT_ABI
+
 #ifndef DISABLE_JAVA_NET
 #include <java/net/InetAddress.h>
 #endif
diff --git a/libjava/include/win32.h b/libjava/include/win32.h
index 4330c79d397..320273aa4e5 100644
--- a/libjava/include/win32.h
+++ b/libjava/include/win32.h
@@ -24,6 +24,22 @@ details.  */
 #define _Jv_platform_solib_prefix ""
 #define _Jv_platform_solib_suffix ".dll"
 
+// Separator for file name components.
+#define _Jv_platform_file_separator ((jchar) '\\')
+// Separator for path components.
+#define _Jv_platform_path_separator ((jchar) ';')
+
+// List of names for `JNI_OnLoad'.  On Win32, JNI_OnLoad is an
+// "stdcall" function taking two pointers (8 bytes) as arguments.  It
+// could also have been exported as "JNI_OnLoad@8" (MinGW) or
+// "_JNI_OnLoad@8" (MSVC).
+#define _Jv_platform_onload_names \
+    { "JNI_OnLoad", "JNI_OnLoad@8", "_JNI_OnLoad@8", NULL }
+
+// Type of libffi ABI used by JNICALL methods.  NOTE: This must agree
+// with the JNICALL definition in jni.h
+#define _Jv_platform_ffi_abi FFI_STDCALL
+
 #ifndef DISABLE_JAVA_NET
 
 // these errors cannot occur on Win32
diff --git a/libjava/java/lang/natRuntime.cc b/libjava/java/lang/natRuntime.cc
index 237b0d1be4b..b4c15106365 100644
--- a/libjava/java/lang/natRuntime.cc
+++ b/libjava/java/lang/natRuntime.cc
@@ -140,6 +140,11 @@ java::lang::Runtime::gc (void)
   _Jv_RunGC ();
 }
 
+#ifdef USE_LTDL
+// List of names for JNI_OnLoad.
+static const char *onload_names[] = _Jv_platform_onload_names;
+#endif
+
 void
 java::lang::Runtime::_load (jstring path, jboolean do_search)
 {
@@ -221,19 +226,16 @@ java::lang::Runtime::_load (jstring path, jboolean do_search)
       throw new UnsatisfiedLinkError (str);
     }
 
-  void *onload = lt_dlsym (h, "JNI_OnLoad");
-
-#ifdef WIN32
-  // On Win32, JNI_OnLoad is an "stdcall" function taking two pointers
-  // (8 bytes) as arguments.  It could also have been exported as
-  // "JNI_OnLoad@8" (MinGW) or "_JNI_OnLoad@8" (MSVC).
-  if (onload == NULL)
+  // Search for JNI_OnLoad function.
+  void *onload = NULL;
+  const char **name = onload_names;
+  while (*name != NULL)
     {
-      onload = lt_dlsym (h, "JNI_OnLoad@8");
-      if (onload == NULL)
-	onload = lt_dlsym (h, "_JNI_OnLoad@8");
+      onload = lt_dlsym (h, *name);
+      if (onload != NULL)
+	break;
+      ++name;
     }
-#endif /* WIN32 */
 
   if (onload != NULL)
     {
@@ -570,11 +572,7 @@ java::lang::Runtime::insertSystemProperties (java::util::Properties *newprops)
       if (classpath)
 	{
 	  sb->append (JvNewStringLatin1 (classpath));
-#ifdef WIN32
-	  sb->append ((jchar) ';');
-#else
-	  sb->append ((jchar) ':');
-#endif
+	  sb->append (_Jv_platform_path_separator);
 	}
       if (cp != NULL)
 	sb->append (cp);
@@ -632,14 +630,7 @@ java::lang::Runtime::nativeGetLibname (jstring pathname, jstring libname)
   java::lang::StringBuffer *sb = new java::lang::StringBuffer ();
   sb->append(pathname);
   if (pathname->length() > 0)
-    {
-      // FIXME: use platform function here.
-#ifdef WIN32
-      sb->append ((jchar) '\\');
-#else
-      sb->append ((jchar) '/');
-#endif
-    }
+    sb->append (_Jv_platform_file_separator);
 
   sb->append (JvNewStringLatin1 (_Jv_platform_solib_prefix));
   sb->append(libname);
diff --git a/libjava/resolve.cc b/libjava/resolve.cc
index aa17ea9c5f0..ea506452d58 100644
--- a/libjava/resolve.cc
+++ b/libjava/resolve.cc
@@ -11,6 +11,7 @@ details.  */
 /* Author: Kresten Krab Thorup <krab@gnu.org>  */
 
 #include <config.h>
+#include <platform.h>
 
 #include <java-interp.h>
 
@@ -1003,14 +1004,7 @@ _Jv_JNIMethod::ncode ()
   memcpy (&jni_arg_types[offset], &closure->arg_types[0],
 	  arg_count * sizeof (ffi_type *));
 
-  // NOTE: This must agree with the JNICALL definition in jni.h
-#ifdef WIN32
-#define FFI_JNI_ABI FFI_STDCALL
-#else
-#define FFI_JNI_ABI FFI_DEFAULT_ABI
-#endif
-
-  if (ffi_prep_cif (&jni_cif, FFI_JNI_ABI,
+  if (ffi_prep_cif (&jni_cif, _Jv_platform_ffi_abi,
 		    extra_args + arg_count, rtype,
 		    jni_arg_types) != FFI_OK)
     throw_internal_error ("ffi_prep_cif failed for JNI function");