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.h (1178B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
      4 * Copyright (C) 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
      5 */
      6
      7#ifndef __ASM_STACKTRACE_H
      8#define __ASM_STACKTRACE_H
      9
     10#include <linux/sched.h>
     11
     12/**
     13 * arc_unwind_core - Unwind the kernel mode stack for an execution context
     14 * @tsk:		NULL for current task, specific task otherwise
     15 * @regs:		pt_regs used to seed the unwinder {SP, FP, BLINK, PC}
     16 * 			If NULL, use pt_regs of @tsk (if !NULL) otherwise
     17 * 			use the current values of {SP, FP, BLINK, PC}
     18 * @consumer_fn:	Callback invoked for each frame unwound
     19 * 			Returns 0 to continue unwinding, -1 to stop
     20 * @arg:		Arg to callback
     21 *
     22 * Returns the address of first function in stack
     23 *
     24 * Semantics:
     25 *  - synchronous unwinding (e.g. dump_stack): @tsk  NULL, @regs  NULL
     26 *  - Asynchronous unwinding of sleeping task: @tsk !NULL, @regs  NULL
     27 *  - Asynchronous unwinding of intr/excp etc: @tsk !NULL, @regs !NULL
     28 */
     29notrace noinline unsigned int arc_unwind_core(
     30	struct task_struct *tsk, struct pt_regs *regs,
     31	int (*consumer_fn) (unsigned int, void *),
     32	void *arg);
     33
     34#endif /* __ASM_STACKTRACE_H */