2 files changed, 22 insertions, 0 deletions
diff --git a/newlib/libc/include/machine/ieeefp.h b/newlib/libc/include/machine/ieeefp.h
index 70846c92c..981f87f87 100644
--- a/newlib/libc/include/machine/ieeefp.h
+++ b/newlib/libc/include/machine/ieeefp.h
@@ -326,6 +326,24 @@
 #define __IEEE_BIG_ENDIAN
 #endif
 
+#ifdef __RX__
+
+#ifdef __RX_BIG_ENDIAN__
+#define __IEEE_BIG_ENDIAN
+#else
+#define __IEEE_LITTLE_ENDIAN
+#endif
+
+#ifndef __RX_64BIT_DOUBLES__
+#define _DOUBLE_IS_32BITS
+#endif
+
+#ifdef __RX_16BIT_INTS__
+#define __SMALL_BITFIELDS
+#endif
+
+#endif
+
 #ifndef __IEEE_BIG_ENDIAN
 #ifndef __IEEE_LITTLE_ENDIAN
 #error Endianess not declared!!
diff --git a/newlib/libc/include/machine/setjmp.h b/newlib/libc/include/machine/setjmp.h
index 4b1c3d296..08b820ff6 100644
--- a/newlib/libc/include/machine/setjmp.h
+++ b/newlib/libc/include/machine/setjmp.h
@@ -254,6 +254,10 @@ _BEGIN_STD_C
 #define _JBTYPE unsigned short
 #endif /* __m32c__ */
 
+#ifdef __RX__
+#define _JBLEN 0x44
+#endif
+
 #ifdef _JBLEN
 #ifdef _JBTYPE
 typedef	_JBTYPE jmp_buf[_JBLEN];