11802d0beSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 22dd0e8d2SSandeepa Prabhu /* 32dd0e8d2SSandeepa Prabhu * arch/arm64/include/asm/kprobes.h 42dd0e8d2SSandeepa Prabhu * 52dd0e8d2SSandeepa Prabhu * Copyright (C) 2013 Linaro Limited 62dd0e8d2SSandeepa Prabhu */ 72dd0e8d2SSandeepa Prabhu 82dd0e8d2SSandeepa Prabhu #ifndef _ARM_KPROBES_H 92dd0e8d2SSandeepa Prabhu #define _ARM_KPROBES_H 102dd0e8d2SSandeepa Prabhu 117d134b2cSLuis R. Rodriguez #include <asm-generic/kprobes.h> 127d134b2cSLuis R. Rodriguez 137d134b2cSLuis R. Rodriguez #ifdef CONFIG_KPROBES 142dd0e8d2SSandeepa Prabhu #include <linux/types.h> 152dd0e8d2SSandeepa Prabhu #include <linux/ptrace.h> 162dd0e8d2SSandeepa Prabhu #include <linux/percpu.h> 172dd0e8d2SSandeepa Prabhu 182dd0e8d2SSandeepa Prabhu #define __ARCH_WANT_KPROBES_INSN_SLOT 192dd0e8d2SSandeepa Prabhu #define MAX_INSN_SIZE 1 202dd0e8d2SSandeepa Prabhu 212dd0e8d2SSandeepa Prabhu #define flush_insn_slot(p) do { } while (0) 222dd0e8d2SSandeepa Prabhu #define kretprobe_blacklist_size 0 232dd0e8d2SSandeepa Prabhu 242dd0e8d2SSandeepa Prabhu #include <asm/probes.h> 252dd0e8d2SSandeepa Prabhu 262dd0e8d2SSandeepa Prabhu struct prev_kprobe { 272dd0e8d2SSandeepa Prabhu struct kprobe *kp; 282dd0e8d2SSandeepa Prabhu unsigned int status; 292dd0e8d2SSandeepa Prabhu }; 302dd0e8d2SSandeepa Prabhu 312dd0e8d2SSandeepa Prabhu /* Single step context for kprobe */ 322dd0e8d2SSandeepa Prabhu struct kprobe_step_ctx { 332dd0e8d2SSandeepa Prabhu unsigned long ss_pending; 342dd0e8d2SSandeepa Prabhu unsigned long match_addr; 352dd0e8d2SSandeepa Prabhu }; 362dd0e8d2SSandeepa Prabhu 372dd0e8d2SSandeepa Prabhu /* per-cpu kprobe control block */ 382dd0e8d2SSandeepa Prabhu struct kprobe_ctlblk { 392dd0e8d2SSandeepa Prabhu unsigned int kprobe_status; 402dd0e8d2SSandeepa Prabhu unsigned long saved_irqflag; 412dd0e8d2SSandeepa Prabhu struct prev_kprobe prev_kprobe; 422dd0e8d2SSandeepa Prabhu struct kprobe_step_ctx ss_ctx; 432dd0e8d2SSandeepa Prabhu }; 442dd0e8d2SSandeepa Prabhu 452dd0e8d2SSandeepa Prabhu void arch_remove_kprobe(struct kprobe *); 462dd0e8d2SSandeepa Prabhu int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); 472dd0e8d2SSandeepa Prabhu int kprobe_exceptions_notify(struct notifier_block *self, 482dd0e8d2SSandeepa Prabhu unsigned long val, void *data); 49da6a9125SWilliam Cohen void kretprobe_trampoline(void); 50da6a9125SWilliam Cohen void __kprobes *trampoline_probe_handler(struct pt_regs *regs); 512dd0e8d2SSandeepa Prabhu 527d134b2cSLuis R. Rodriguez #endif /* CONFIG_KPROBES */ 532dd0e8d2SSandeepa Prabhu #endif /* _ARM_KPROBES_H */ 54