linux-kernel - [PATCH 2.6.27-rc1 22/25] mdb: Merkey's Kernel Debugger 2.6.27-rc1

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Message-ID: <45479.166.70.238.45.1217832083.squirrel@webmail.wolfmountaingroup.com>
Date:	Mon, 4 Aug 2008 00:41:23 -0600 (MDT)
From:	jmerkey@...fmountaingroup.com
To:	linux-kernel@...r.kernel.org
Subject: [PATCH 2.6.27-rc1 22/25] mdb:  Merkey's Kernel Debugger 2.6.27-rc1

Netware style debugger for Linux written by Jeffrey Vernon Merkey

--- a/kernel/kallsyms.c	2008-08-03 16:10:19.000000000 -0600
+++ b/kernel/kallsyms.c	2008-08-03 16:15:00.000000000 -0600
@@ -477,5 +477,48 @@
 }
 __initcall(kallsyms_init);

+#ifdef CONFIG_MDB
+struct kallsym_iter mdb_iter;
+int mdb_kallsyms(char *str, int (*print)(char *s, ...))
+{
+    register loff_t pos = 0;
+    register struct kallsym_iter *iter = &mdb_iter;
+
+    if (!print)
+       return 0;
+
+    // set to beginning of the kallsyms list
+    reset_iter(iter, 0);
+    while (1)
+    {
+       // search the kallsyms list
+       if (!update_iter(iter, pos++))
+          break;
+
+       if (!iter->name[0])
+ 	  continue;
+
+       // if an exclusion search was specified, skip non-matching entries
+       if (str && *str && !strstr(iter->name, str))
+          continue;
+
+       if (iter->module_name[0])
+       {
+          if (print("%0*lx %c %s [%s]\n", (int)(2*sizeof(void*)),
+	      iter->value, iter->type, iter->name,
+	      iter->module_name))
+             return 1;
+       }
+       else
+       {
+          if (print("%0*lx %c %s\n", (int)(2*sizeof(void*)),
+   	      iter->value, iter->type, iter->name))
+             return 1;
+       }
+    }
+    return 0;
+}
+#endif
+
 EXPORT_SYMBOL(__print_symbol);
 EXPORT_SYMBOL_GPL(sprint_symbol);


By making a contribution to this project, I certify that
the contribution was created in whole or in part by me and I
have the right to submit it under the open source license
indicated in the file.

Jeffrey Vernon Merkey



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