Fix my last change to actually compile.

[deliverable/binutils-gdb.git] / gdb / regcache.c

diff --git a/gdb/regcache.c b/gdb/regcache.c
index 337f57a7a530929b0754d90aee10e2a956d1729b..b46a24289243fa4da820f14c46a2f302d3505ac0 100644 (file)
--- a/gdb/regcache.c
+++ b/gdb/regcache.c
@@ -24,6 +24,7 @@
 #include "inferior.h"
 #include "target.h"
 #include "gdbarch.h"
+#include "gdbcmd.h"
 
 /*
  * DATA STRUCTURE
@@ -68,6 +69,15 @@ register_cached (int regnum)
   return register_valid[regnum];
 }
 
+/* REGISTER_CHANGED
+
+   invalidate a single register REGNUM in the cache */
+void
+register_changed (int regnum)
+{
+  register_valid[regnum] = 0;
+}
+
 /* FIND_SAVED_REGISTER ()
 
    Return the address in which frame FRAME's value of register REGNUM
@@ -200,6 +210,11 @@ default_get_saved_register (char *raw_buffer,
     *addrp = addr;
 }
 
+#if !defined (GET_SAVED_REGISTER)
+#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \
+  default_get_saved_register(raw_buffer, optimized, addrp, frame, regnum, lval)
+#endif
+
 void
 get_saved_register (char *raw_buffer,
                    int *optimized,
@@ -853,6 +868,17 @@ write_fp (CORE_ADDR val)
   TARGET_WRITE_FP (val);
 }
 
+/* ARGSUSED */
+static void
+reg_flush_command (char *command, int from_tty)
+{
+  /* Force-flush the register cache.  */
+  registers_changed ();
+  if (from_tty)
+    printf_filtered ("Register cache flushed.\n");
+}
+
+
 static void
 build_regcache (void)
 {
@@ -875,4 +901,7 @@ _initialize_regcache (void)
   register_gdbarch_swap (&registers, sizeof (registers), NULL);
   register_gdbarch_swap (&register_valid, sizeof (register_valid), NULL);
   register_gdbarch_swap (NULL, 0, build_regcache);
+
+  add_com ("flushregs", class_maintenance, reg_flush_command,
+          "Force gdb to flush its register cache (maintainer command)");
 }