-#undef CALL_USED_REGISTERS
-#define CALL_USED_REGISTERS \
-/*ax,dx,cx,bx,si,di,bp,sp,st,st1,st2,st3,st4,st5,st6,st7,arg*/ \
-{ 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }
+/* LynxOS's GDB counts the floating point registers from 16. */
+
+#undef DBX_REGISTER_NUMBER
+#define DBX_REGISTER_NUMBER(n) \
+ (TARGET_64BIT ? dbx64_register_map[n] \
+ : (n) == 0 ? 0 \
+ : (n) == 1 ? 2 \
+ : (n) == 2 ? 1 \
+ : (n) == 3 ? 3 \
+ : (n) == 4 ? 6 \
+ : (n) == 5 ? 7 \
+ : (n) == 6 ? 5 \
+ : (n) == 7 ? 4 \
+ : ((n) >= FIRST_STACK_REG && (n) <= LAST_STACK_REG) ? (n) + 8 \
+ : (-1))
+
+/* A C statement to output to the stdio stream FILE an assembler
+ command to advance the location counter to a multiple of 1<<LOG
+ bytes if it is within MAX_SKIP bytes.
+
+ This is used to align code labels according to Intel recommendations. */
+
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
+ do { \
+ if ((LOG) != 0) { \
+ if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
+ else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
+ } \
+ } while (0)
+#endif
+
+/* Undefine SUBTARGET_EXTRA_SPECS it is empty anyway. We define it in
+ config/lynx.h. */
+
+#undef SUBTARGET_EXTRA_SPECS
+
+/* Undefine the definition from att.h to enable our default. */
+
+#undef ASM_OUTPUT_ALIGN
+
+/* Undefine the definition from elfos.h to enable our default. */
+
+#undef PREFERRED_DEBUGGING_TYPE
+
+/* The file i386.c defines TARGET_HAVE_TLS unconditionally if
+ HAVE_AS_TLS is defined. HAVE_AS_TLS is defined as gas support for
+ TLS is detected by configure. We undefine it here. */
+
+#undef HAVE_AS_TLS