jvm.h (GCJ_40_BC_ABI_VERSION): New define.

libjava:
	* include/jvm.h (GCJ_40_BC_ABI_VERSION): New define.
	(_Jv_CheckABIVersion): Use it.
gcc/java:
	* decl.c (GCJ_CURRENT_BC_ABI_VERSION): New define.
	(parse_version): Use it.

From-SVN: r96948

gcc/java/ChangeLog

+2005-03-23  Tom Tromey  <tromey@redhat.com>
+
+	* decl.c (GCJ_CURRENT_BC_ABI_VERSION): New define.
+	(parse_version): Use it.
+
 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
 
 	* lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.

gcc/java/decl.c

@@ -64,6 +64,13 @@ static void parse_version (void);
 /* Used when computing the ABI version.  */
 #define GCJ_BINARYCOMPAT_ADDITION 5
 
+/* The version of the BC ABI that we generate.  At the moment we are
+   compatible with what shipped in GCC 4.0.  This must be kept in sync
+   with parse_version(), libgcj, and reality (if the BC format
+   changes, this must change.  */
+#define GCJ_CURRENT_BC_ABI_VERSION \
+  (4 * 10000 + 0 * 10 + GCJ_BINARYCOMPAT_ADDITION)
+
 /* The ABI version number.  */
 tree gcj_abi_version;
 
@@ -609,7 +616,7 @@ parse_version (void)
      (objects generated by different version of gcj), but will
      probably always require strict matching for ordinary ABI.  */
   if (flag_indirect_dispatch)
-    abi_version += GCJ_BINARYCOMPAT_ADDITION;
+    abi_version = GCJ_CURRENT_BC_ABI_VERSION;
 
   gcj_abi_version = build_int_cstu (ptr_type_node, abi_version);
 }

libjava/ChangeLog

+2005-03-23  Tom Tromey  <tromey@redhat.com>
+ 
+	* include/jvm.h (GCJ_40_BC_ABI_VERSION): New define.
+	(_Jv_CheckABIVersion): Use it.
+
 2005-03-22  Mike Stump  <mrs@apple.com>
 
 	* stacktrace.cc: Delete unused _Jv_FindCallingClassState.

libjava/include/jvm.h

@@ -562,14 +562,17 @@ extern void _Jv_RegisterBootstrapPackages ();
 #define GCJ_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 10)
 #define GCJ_BINARYCOMPAT_ADDITION 5
 
+// At present we know we are compatible with the BC ABI as used in GCC
+// 4.0.
+#define GCJ_40_BC_ABI_VERSION (4 * 10000 + 0 * 10 + GCJ_BINARYCOMPAT_ADDITION)
+
 inline bool
 _Jv_CheckABIVersion (unsigned long value)
 {
-  // For this release, recognize just our defined C++ ABI and our
-  // defined BC ABI.  (In the future we may recognize past BC ABIs as
-  // well.)
+  // Recognize our defined C++ ABI.
   return (value == GCJ_VERSION
-	  || value == (GCJ_VERSION + GCJ_BINARYCOMPAT_ADDITION));
+	  // At the moment this is the only BC ABI we recognize.
+	  || value == GCJ_40_BC_ABI_VERSION);
 }
 
 // It makes the source cleaner if we simply always define this