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Diffstat (limited to 'arch/sparc64/kernel/stacktrace.c')
-rw-r--r--arch/sparc64/kernel/stacktrace.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c
index b3e3737750d..4e21d4a57d3 100644
--- a/arch/sparc64/kernel/stacktrace.c
+++ b/arch/sparc64/kernel/stacktrace.c
@@ -5,10 +5,12 @@
#include <asm/ptrace.h>
#include <asm/stacktrace.h>
+#include "kstack.h"
+
void save_stack_trace(struct stack_trace *trace)
{
- unsigned long ksp, fp, thread_base;
struct thread_info *tp = task_thread_info(current);
+ unsigned long ksp, fp;
stack_trace_flush();
@@ -18,21 +20,18 @@ void save_stack_trace(struct stack_trace *trace)
);
fp = ksp + STACK_BIAS;
- thread_base = (unsigned long) tp;
do {
struct sparc_stackf *sf;
struct pt_regs *regs;
unsigned long pc;
- /* Bogus frame pointer? */
- if (fp < (thread_base + sizeof(struct thread_info)) ||
- fp >= (thread_base + THREAD_SIZE))
+ if (!kstack_valid(tp, fp))
break;
sf = (struct sparc_stackf *) fp;
regs = (struct pt_regs *) (sf + 1);
- if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC) {
+ if (kstack_is_trap_frame(tp, regs)) {
if (!(regs->tstate & TSTATE_PRIV))
break;
pc = regs->tpc;