* include/private/gcconfig.h: Re-install change of 2003-04-16.

From-SVN: r73134

boehm-gc/ChangeLog

+2003-10-31  Richard Earnshaw  <rearnsha@arm.com>
+
+	* include/private/gcconfig.h: Re-install change of 2003-04-16.
+
 2003-10-20  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* mips_sgi_mach_dep.s: Use _ABIO32 instead of external

boehm-gc/include/private/gcconfig.h

@@ -62,7 +62,7 @@
 /* Determine the machine type: */
 # if defined(__arm__) || defined(__thumb__)
 #    define ARM32
-#    if !defined(LINUX)
+#    if !defined(LINUX) && !defined(NETBSD)
 #      define NOSYS
 #      define mach_type_known
 #    endif
@@ -1688,8 +1688,13 @@
 #   ifdef NETBSD
 #       define OS_TYPE "NETBSD"
 #       define HEURISTIC2
-       extern char etext[];
-#       define DATASTART ((ptr_t)(etext))
+#	ifdef __ELF__
+#          define DATASTART GC_data_start
+#	   define DYNAMIC_LOADING
+#	else
+           extern char etext[];
+#          define DATASTART ((ptr_t)(etext))
+#	endif
 #       define USE_GENERIC_PUSH_REGS
 #   endif
 #   ifdef LINUX