/* * Stack trace support for Microblaze. * * Copyright (C) 2009 Michal Simek <monstr@monstr.eu> * Copyright (C) 2009 PetaLogix * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #include <linux/export.h> #include <linux/sched.h> #include <linux/stacktrace.h> #include <linux/thread_info.h> #include <linux/ptrace.h> #include <asm/unwind.h> void save_stack_trace(struct stack_trace *trace) { /* Exclude our helper functions from the trace*/ trace->skip += 2; microblaze_unwind(NULL, trace, ""); } EXPORT_SYMBOL_GPL(save_stack_trace); void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) { microblaze_unwind(tsk, trace, ""); } EXPORT_SYMBOL_GPL(save_stack_trace_tsk);