Update help text in dcache.c

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

diff --git a/gdb/dcache.c b/gdb/dcache.c
index 3c8319f929f510fd48e2430b47ea78cffe8301e4..20b781fa015f4cfcda410a1444166e937fe4213d 100644 (file)
--- a/gdb/dcache.c
+++ b/gdb/dcache.c
@@ -1,6 +1,6 @@
 /* Caching code for GDB, the GNU debugger.
 
-   Copyright (C) 1992-2015 Free Software Foundation, Inc.
+   Copyright (C) 1992-2018 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -125,10 +125,6 @@ static int dcache_read_line (DCACHE *dcache, struct dcache_block *db);
 
 static struct dcache_block *dcache_alloc (DCACHE *dcache, CORE_ADDR addr);
 
-static void dcache_info (char *exp, int tty);
-
-void _initialize_dcache (void);
-
 static int dcache_enabled_p = 0; /* OBSOLETE */
 
 static void
@@ -370,8 +366,9 @@ dcache_alloc (DCACHE *dcache, CORE_ADDR addr)
       if (db)
        remove_block (&dcache->freelist, db);
       else
-       db = xmalloc (offsetof (struct dcache_block, data) +
-                     dcache->line_size);
+       db = ((struct dcache_block *)
+             xmalloc (offsetof (struct dcache_block, data)
+                      + dcache->line_size));
 
       dcache->size++;
     }
@@ -444,9 +441,7 @@ dcache_splay_tree_compare (splay_tree_key a, splay_tree_key b)
 DCACHE *
 dcache_init (void)
 {
-  DCACHE *dcache;
-
-  dcache = (DCACHE *) xmalloc (sizeof (*dcache));
+  DCACHE *dcache = XNEW (DCACHE);
 
   dcache->tree = splay_tree_new (dcache_splay_tree_compare,
                                 NULL,
@@ -498,9 +493,8 @@ dcache_read_memory_partial (struct target_ops *ops, DCACHE *dcache,
     {
       /* Even though reading the whole line failed, we may be able to
         read a piece starting where the caller wanted.  */
-      return ops->to_xfer_partial (ops, TARGET_OBJECT_MEMORY, NULL,
-                                  myaddr, NULL, memaddr, len,
-                                  xfered_len);
+      return raw_memory_xfer_partial (ops, myaddr, NULL, memaddr, len,
+                                     xfered_len);
     }
   else
     {
@@ -589,7 +583,7 @@ dcache_print_line (DCACHE *dcache, int index)
 /* Parse EXP and show the info about DCACHE.  */
 
 static void
-dcache_info_1 (DCACHE *dcache, char *exp)
+dcache_info_1 (DCACHE *dcache, const char *exp)
 {
   splay_tree_node n;
   int i, refcount;
@@ -601,7 +595,7 @@ dcache_info_1 (DCACHE *dcache, char *exp)
       i = strtol (exp, &linestart, 10);
       if (linestart == exp || i < 0)
        {
-         printf_filtered (_("Usage: info dcache [linenumber]\n"));
+         printf_filtered (_("Usage: info dcache [LINENUMBER]\n"));
           return;
        }
 
@@ -644,13 +638,13 @@ dcache_info_1 (DCACHE *dcache, char *exp)
 }
 
 static void
-dcache_info (char *exp, int tty)
+info_dcache_command (const char *exp, int tty)
 {
   dcache_info_1 (target_dcache_get (), exp);
 }
 
 static void
-set_dcache_size (char *args, int from_tty,
+set_dcache_size (const char *args, int from_tty,
                 struct cmd_list_element *c)
 {
   if (dcache_size == 0)
@@ -662,7 +656,7 @@ set_dcache_size (char *args, int from_tty,
 }
 
 static void
-set_dcache_line_size (char *args, int from_tty,
+set_dcache_line_size (const char *args, int from_tty,
                      struct cmd_list_element *c)
 {
   if (dcache_line_size < 2
@@ -676,7 +670,7 @@ set_dcache_line_size (char *args, int from_tty,
 }
 
 static void
-set_dcache_command (char *arg, int from_tty)
+set_dcache_command (const char *arg, int from_tty)
 {
   printf_unfiltered (
      "\"set dcache\" must be followed by the name of a subcommand.\n");
@@ -684,7 +678,7 @@ set_dcache_command (char *arg, int from_tty)
 }
 
 static void
-show_dcache_command (char *args, int from_tty)
+show_dcache_command (const char *args, int from_tty)
 {
   cmd_show_list (dcache_show_list, from_tty, "");
 }
@@ -704,12 +698,13 @@ exists only for compatibility reasons."),
                           show_dcache_enabled_p,
                           &setlist, &showlist);
 
-  add_info ("dcache", dcache_info,
+  add_info ("dcache", info_dcache_command,
            _("\
 Print information on the dcache performance.\n\
+Usage: info dcache [LINENUMBER]\n\
 With no arguments, this command prints the cache configuration and a\n\
-summary of each line in the cache.  Use \"info dcache <lineno> to dump\"\n\
-the contents of a given line."));
+summary of each line in the cache.  With an argument, dump\"\n\
+the contents of the given line."));
 
   add_prefix_cmd ("dcache", class_obscure, set_dcache_command, _("\
 Use this command to set number of lines in dcache and line-size."),