patch-2.4.22 linux-2.4.22/include/asm-ia64/unwind.h

• Lines: 33
• Date: 2003-08-25 04:44:43.000000000 -0700
• Orig file: linux-2.4.21/include/asm-ia64/unwind.h
• Orig date: 2001-07-31 10:30:09.000000000 -0700

diff -urN linux-2.4.21/include/asm-ia64/unwind.h linux-2.4.22/include/asm-ia64/unwind.h
@@ -2,8 +2,8 @@
 #define _ASM_IA64_UNWIND_H
 
 /*
- * Copyright (C) 1999-2000 Hewlett-Packard Co
- * Copyright (C) 1999-2000 David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999-2000, 2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
  *
  * A simple API for unwinding kernel stacks.  This is used for
  * debugging and error reporting purposes.  The kernel doesn't need
@@ -60,6 +60,7 @@
 	unsigned long ip;		/* instruction pointer value */
 	unsigned long pr;		/* current predicate values */
 	unsigned long *cfm_loc;		/* cfm save location (or NULL) */
+	unsigned long pt;		/* struct pt_regs location */
 
 	struct task_struct *task;
 	struct switch_stack *sw;
@@ -106,6 +107,13 @@
  */
 extern void unw_init_from_blocked_task (struct unw_frame_info *info, struct task_struct *t);
 
+/*
+ * Prepare to unwind from interruption.  The pt-regs and switch-stack structures must have
+ * be "adjacent" (no state modifications between pt-regs and switch-stack).
+ */
+extern void unw_init_from_interruption (struct unw_frame_info *info, struct task_struct *t,
+					struct pt_regs *pt, struct switch_stack *sw);
+
 extern void unw_init_frame_info (struct unw_frame_info *info, struct task_struct *t,
 				 struct switch_stack *sw);