1 files changed, 17 insertions, 0 deletions
diff --git a/gdb/arch-utils.c b/gdb/arch-utils.c
index 5d13a2dd1ad..8e69a6127ad 100644
--- a/gdb/arch-utils.c
+++ b/gdb/arch-utils.c
@@ -42,6 +42,7 @@
 #endif
 #include "regcache.h"
 #include "gdb_assert.h"
+#include "sim-regno.h"
 
 #include "version.h"
 
@@ -91,6 +92,22 @@ legacy_breakpoint_from_pc (CORE_ADDR * pcptr, int *lenptr)
 }
 
 int
+legacy_register_sim_regno (int regnum)
+{
+  /* Only makes sense to supply raw registers.  */
+  gdb_assert (regnum >= 0 && regnum < NUM_REGS);
+  /* NOTE: cagney/2002-05-13: The old code did it this way and it is
+     suspected that some GDB/SIM combinations may rely on this
+     behavour.  The default should be one2one_register_sim_regno
+     (below).  */
+  if (REGISTER_NAME (regnum) != NULL
+      && REGISTER_NAME (regnum)[0] != '\0')
+    return regnum;
+  else
+    return LEGACY_SIM_REGNO_IGNORE;
+}
+
+int
 generic_frameless_function_invocation_not (struct frame_info *fi)
 {
   return 0;