dump_stack doc
From: kevin diggs <hidden>
Date: 2011-01-26 20:08:53
Hi, Does this content look ok: kevdig@SatelliteA75:/usr/src/linux-2.6.36/arch/powerpc/kernel$ diff -U3 process.c process-new_c
--- process.c 2010-10-23 20:01:13.000000000 -0500
+++ process-new_c 2011-01-26 14:04:17.000000000 -0600@@ -1107,6 +1107,27 @@ static int kstack_depth_to_print = CONFIG_PRINT_STACK_DEPTH; +/** + * void show_stack() - dump the contents of the stack in readable format + * @struct task_struct *tsk: pointer to task struct owning stack frame + * @unsigned long *stack: pointer to stack frame + * + * Dump the stack in bipedal carbon unit readable form. Format is: + * Call Trace: + * [[ --- Exception: <trap id (%lx)> at <trap handler (%pS)> ]] + * [[ LR = <trapping routine (%pS)> ]] + * [<stack ("REG")>] [<instruction ("REG")>] <instruction (%pS)> [[
(unreliable)]]
+ *
+ * Information between '[[' & ']]' is optional. Additional information is
+ * printed at the beginning of what are believed to be exception frames.
+ *
+ * The first frame is considered unreliable and will have " (unreliable)"
+ * tacked on the end.
+ *
+ * kstack_depth_to_print determines how many frames to show.
+ *
+ * Value in parenthesis is the format specifier used. See printk().
+ */
void show_stack(struct task_struct *tsk, unsigned long *stack)
{
unsigned long sp, ip, lr, newsp;@@ -1177,6 +1198,11 @@ } while (count++ < kstack_depth_to_print); } +/** + * void dump_stack(void) - dump the contents of the stack in readable form + * + * See process.c`show_stack() for details + */ void dump_stack(void) { show_stack(current, NULL);
kevin
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- process.c.diff [text/x-diff] 1442 bytes · preview