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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kprobes.h (1186B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
      4 */
      5
      6#ifndef _ARC_KPROBES_H
      7#define _ARC_KPROBES_H
      8
      9#include <asm-generic/kprobes.h>
     10
     11#ifdef CONFIG_KPROBES
     12
     13typedef u16 kprobe_opcode_t;
     14
     15#define UNIMP_S_INSTRUCTION 0x79e0
     16#define TRAP_S_2_INSTRUCTION 0x785e
     17
     18#define MAX_INSN_SIZE   8
     19#define MAX_STACK_SIZE  64
     20
     21struct arch_specific_insn {
     22	int is_short;
     23	kprobe_opcode_t *t1_addr, *t2_addr;
     24	kprobe_opcode_t t1_opcode, t2_opcode;
     25};
     26
     27#define flush_insn_slot(p)  do {  } while (0)
     28
     29#define kretprobe_blacklist_size    0
     30
     31struct kprobe;
     32
     33void arch_remove_kprobe(struct kprobe *p);
     34
     35int kprobe_exceptions_notify(struct notifier_block *self,
     36			     unsigned long val, void *data);
     37
     38struct prev_kprobe {
     39	struct kprobe *kp;
     40	unsigned long status;
     41};
     42
     43struct kprobe_ctlblk {
     44	unsigned int kprobe_status;
     45	struct prev_kprobe prev_kprobe;
     46};
     47
     48int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause);
     49void __kretprobe_trampoline(void);
     50void trap_is_kprobe(unsigned long address, struct pt_regs *regs);
     51#else
     52#define trap_is_kprobe(address, regs)
     53#endif /* CONFIG_KPROBES */
     54
     55#endif /* _ARC_KPROBES_H */