return 0;
}
-static void backtrace_address(void *data, unsigned long addr)
+static void backtrace_address(void *data, unsigned long addr, int reliable)
{
unsigned int *depth = data;
};
struct frame_head {
- struct frame_head *ebp;
+ struct frame_head *bp;
unsigned long ret;
} __attribute__((packed));
-static struct frame_head *
-dump_user_backtrace(struct frame_head * head)
+static struct frame_head *dump_user_backtrace(struct frame_head *head)
{
struct frame_head bufhead[2];
/* frame pointers should strictly progress back up the stack
* (towards higher addresses) */
- if (head >= bufhead[0].ebp)
+ if (head >= bufhead[0].bp)
return NULL;
- return bufhead[0].ebp;
+ return bufhead[0].bp;
}
void
x86_backtrace(struct pt_regs * const regs, unsigned int depth)
{
struct frame_head *head = (struct frame_head *)frame_pointer(regs);
- unsigned long stack = stack_pointer(regs);
+ unsigned long stack = kernel_trap_sp(regs);
if (!user_mode_vm(regs)) {
if (depth)
- dump_trace(NULL, regs, (unsigned long *)stack,
+ dump_trace(NULL, regs, (unsigned long *)stack, 0,
&backtrace_ops, &depth);
return;
}