18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) 48c2ecf20Sopenharmony_ci */ 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci#ifndef _ARC_KPROBES_H 78c2ecf20Sopenharmony_ci#define _ARC_KPROBES_H 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci#include <asm-generic/kprobes.h> 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#ifdef CONFIG_KPROBES 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_citypedef u16 kprobe_opcode_t; 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci#define UNIMP_S_INSTRUCTION 0x79e0 168c2ecf20Sopenharmony_ci#define TRAP_S_2_INSTRUCTION 0x785e 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci#define MAX_INSN_SIZE 8 198c2ecf20Sopenharmony_ci#define MAX_STACK_SIZE 64 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_cistruct arch_specific_insn { 228c2ecf20Sopenharmony_ci int is_short; 238c2ecf20Sopenharmony_ci kprobe_opcode_t *t1_addr, *t2_addr; 248c2ecf20Sopenharmony_ci kprobe_opcode_t t1_opcode, t2_opcode; 258c2ecf20Sopenharmony_ci}; 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci#define flush_insn_slot(p) do { } while (0) 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ci#define kretprobe_blacklist_size 0 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_cistruct kprobe; 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_civoid arch_remove_kprobe(struct kprobe *p); 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ciint kprobe_exceptions_notify(struct notifier_block *self, 368c2ecf20Sopenharmony_ci unsigned long val, void *data); 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_cistruct prev_kprobe { 398c2ecf20Sopenharmony_ci struct kprobe *kp; 408c2ecf20Sopenharmony_ci unsigned long status; 418c2ecf20Sopenharmony_ci}; 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_cistruct kprobe_ctlblk { 448c2ecf20Sopenharmony_ci unsigned int kprobe_status; 458c2ecf20Sopenharmony_ci struct prev_kprobe prev_kprobe; 468c2ecf20Sopenharmony_ci}; 478c2ecf20Sopenharmony_ci 488c2ecf20Sopenharmony_ciint kprobe_fault_handler(struct pt_regs *regs, unsigned long cause); 498c2ecf20Sopenharmony_civoid kretprobe_trampoline(void); 508c2ecf20Sopenharmony_civoid trap_is_kprobe(unsigned long address, struct pt_regs *regs); 518c2ecf20Sopenharmony_ci#else 528c2ecf20Sopenharmony_ci#define trap_is_kprobe(address, regs) 538c2ecf20Sopenharmony_ci#endif /* CONFIG_KPROBES */ 548c2ecf20Sopenharmony_ci 558c2ecf20Sopenharmony_ci#endif /* _ARC_KPROBES_H */ 56