gcconfig.h: Use LINUX_STACKBOTTOM for SPARC Linux.

	* include/private/gcconfig.h: Use LINUX_STACKBOTTOM for
	SPARC Linux.

From-SVN: r52440

boehm-gc/ChangeLog

+2002-04-17  Hans Boehm  <Hans_Boehm@hp.com>
+
+	* include/private/gcconfig.h: Use LINUX_STACKBOTTOM for
+	SPARC Linux.
+
 2002-04-09  Loren J. Rittle  <ljrittle@acm.org>
 
 	* include/private/gcconfig.h (DATAEND): Update comment example

boehm-gc/include/private/gcconfig.h

@@ -820,11 +820,10 @@
       extern int _etext[];
 #     define DATAEND (_end)
 #     define SVR4
+#     define LINUX_STACKBOTTOM
 #     ifdef __arch64__
-#       define STACKBOTTOM ((ptr_t) 0x80000000000ULL)
 #	define DATASTART (ptr_t)GC_SysVGetDataStart(0x100000, _etext)
 #     else
-#       define STACKBOTTOM ((ptr_t) 0xf0000000)
 #	define DATASTART (ptr_t)GC_SysVGetDataStart(0x10000, _etext)
 #     endif
 #   endif