18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef __ASM_SH_KPROBES_H 38c2ecf20Sopenharmony_ci#define __ASM_SH_KPROBES_H 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#include <asm-generic/kprobes.h> 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci#define BREAKPOINT_INSTRUCTION 0xc33a 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci#ifdef CONFIG_KPROBES 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#include <linux/types.h> 128c2ecf20Sopenharmony_ci#include <linux/ptrace.h> 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_citypedef insn_size_t kprobe_opcode_t; 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci#define MAX_INSN_SIZE 16 178c2ecf20Sopenharmony_ci#define MAX_STACK_SIZE 64 188c2ecf20Sopenharmony_ci#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \ 198c2ecf20Sopenharmony_ci (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \ 208c2ecf20Sopenharmony_ci ? (MAX_STACK_SIZE) \ 218c2ecf20Sopenharmony_ci : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci#define flush_insn_slot(p) do { } while (0) 248c2ecf20Sopenharmony_ci#define kretprobe_blacklist_size 0 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_cistruct kprobe; 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_civoid arch_remove_kprobe(struct kprobe *); 298c2ecf20Sopenharmony_civoid kretprobe_trampoline(void); 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci/* Architecture specific copy of original instruction*/ 328c2ecf20Sopenharmony_cistruct arch_specific_insn { 338c2ecf20Sopenharmony_ci /* copy of the original instruction */ 348c2ecf20Sopenharmony_ci kprobe_opcode_t insn[MAX_INSN_SIZE]; 358c2ecf20Sopenharmony_ci}; 368c2ecf20Sopenharmony_ci 378c2ecf20Sopenharmony_cistruct prev_kprobe { 388c2ecf20Sopenharmony_ci struct kprobe *kp; 398c2ecf20Sopenharmony_ci unsigned long status; 408c2ecf20Sopenharmony_ci}; 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_ci/* per-cpu kprobe control block */ 438c2ecf20Sopenharmony_cistruct kprobe_ctlblk { 448c2ecf20Sopenharmony_ci unsigned long kprobe_status; 458c2ecf20Sopenharmony_ci struct prev_kprobe prev_kprobe; 468c2ecf20Sopenharmony_ci}; 478c2ecf20Sopenharmony_ci 488c2ecf20Sopenharmony_ciextern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); 498c2ecf20Sopenharmony_ciextern int kprobe_exceptions_notify(struct notifier_block *self, 508c2ecf20Sopenharmony_ci unsigned long val, void *data); 518c2ecf20Sopenharmony_ciextern int kprobe_handle_illslot(unsigned long pc); 528c2ecf20Sopenharmony_ci#else 538c2ecf20Sopenharmony_ci 548c2ecf20Sopenharmony_ci#define kprobe_handle_illslot(pc) (-1) 558c2ecf20Sopenharmony_ci 568c2ecf20Sopenharmony_ci#endif /* CONFIG_KPROBES */ 578c2ecf20Sopenharmony_ci#endif /* __ASM_SH_KPROBES_H */ 58