* Added arch_debug_contains_call() function that returns wether or not

a call chain contains a specific symbol (or address).
* Added a new KDL command "calling" that you can use to get a list of
  threads that have a specific function in their call chain.
* Removed extraneous white space.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24594 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/arch/debug.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2005, Axel Dörfler, [email protected].
+ * Copyright 2005-2008, Axel Dörfler, [email protected].
  * Distributed under the terms of the MIT License.
  *
  * Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
@@ -12,6 +12,7 @@
 #include <SupportDefs.h>
 
 struct kernel_args;
+struct thread;
 
 
 #ifdef __cplusplus
@@ -20,6 +21,8 @@ extern "C" {
 
 status_t arch_debug_init(kernel_args *args);
 void *arch_debug_get_caller(void);
+bool arch_debug_contains_call(struct thread *thread, const char *symbol,
+	addr_t start, addr_t end);
 void arch_debug_save_registers(int *);
 
 #ifdef __cplusplus