diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog
index 68dd4204e56..2e3fcc47e93 100644
--- a/boehm-gc/ChangeLog
+++ b/boehm-gc/ChangeLog
@@ -1,3 +1,7 @@
+2004-10-13  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
+
+	* include/private/gcconfig.h: Add m32r-linux target.
+
 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
 
 	* configure.ac: Update all AC_DEFINEs to newer style.
diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h
index 38c2a96cc48..64cbde22c30 100644
--- a/boehm-gc/include/private/gcconfig.h
+++ b/boehm-gc/include/private/gcconfig.h
@@ -249,6 +249,10 @@
 #    define SH
 #    define mach_type_known
 # endif
+# if defined(LINUX) && defined(__m32r__)
+#    define M32R
+#    define mach_type_known
+# endif
 # if defined(__alpha) || defined(__alpha__)
 #   define ALPHA
 #   if !defined(LINUX) && !defined(NETBSD) && !defined(OPENBSD) && !defined(FREEBSD)
@@ -1818,6 +1822,23 @@
 #   define DATAEND /* not needed */
 # endif
 
+# ifdef M32R
+#   define CPP_WORDSZ 32
+#   define MACH_TYPE "M32R"
+#   define ALIGNMENT 4
+#   ifdef LINUX
+#     define OS_TYPE "LINUX"
+#     define LINUX_STACKBOTTOM
+#     undef STACK_GRAN
+#     define STACK_GRAN 0x10000000
+#     define USE_GENERIC_PUSH_REGS
+#     define DYNAMIC_LOADING
+#     define SEARCH_FOR_DATA_START
+      extern int _end[];
+#     define DATAEND (_end)
+#   endif
+# endif
+
 # ifdef X86_64
 #   define MACH_TYPE "X86_64"
 #   define ALIGNMENT 8