1 /* 2 * Stack trace support for Microblaze. 3 * 4 * Copyright (C) 2009 Michal Simek <monstr@monstr.eu> 5 * Copyright (C) 2009 PetaLogix 6 * 7 * This file is subject to the terms and conditions of the GNU General Public 8 * License. See the file "COPYING" in the main directory of this archive 9 * for more details. 10 */ 11 12 #include <linux/export.h> 13 #include <linux/sched.h> 14 #include <linux/stacktrace.h> 15 #include <linux/thread_info.h> 16 #include <linux/ptrace.h> 17 #include <asm/unwind.h> 18 19 void save_stack_trace(struct stack_trace *trace) 20 { 21 /* Exclude our helper functions from the trace*/ 22 trace->skip += 2; 23 microblaze_unwind(NULL, trace); 24 } 25 EXPORT_SYMBOL_GPL(save_stack_trace); 26 27 void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) 28 { 29 microblaze_unwind(tsk, trace); 30 } 31 EXPORT_SYMBOL_GPL(save_stack_trace_tsk); 32