cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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stacktrace.c (830B)

      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
     19void 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}
     25EXPORT_SYMBOL_GPL(save_stack_trace);
     26
     27void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
     28{
     29	microblaze_unwind(tsk, trace, "");
     30}
     31EXPORT_SYMBOL_GPL(save_stack_trace_tsk);