diff options
Diffstat (limited to 'arch/sparc/kernel/traps_64.c')
| -rw-r--r-- | arch/sparc/kernel/traps_64.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index 9da57f032983..42ad2ba85010 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -17,6 +17,7 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/kdebug.h> +#include <linux/ftrace.h> #include <linux/gfp.h> #include <asm/smp.h> @@ -2154,6 +2155,9 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) unsigned long fp, thread_base, ksp; struct thread_info *tp; int count = 0; +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + int graph = 0; +#endif ksp = (unsigned long) _ksp; if (!tsk) @@ -2193,6 +2197,16 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) } printk(" [%016lx] %pS\n", pc, (void *) pc); +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + if ((pc + 8UL) == (unsigned long) &return_to_handler) { + int index = tsk->curr_ret_stack; + if (tsk->ret_stack && index >= graph) { + pc = tsk->ret_stack[index - graph].ret; + printk(" [%016lx] %pS\n", pc, (void *) pc); + graph++; + } + } +#endif } while (++count < 16); } |