/* SPDX-License-Identifier: GPL-2.0 */ /* * arch/parisc/include/asm/kprobes.h * * PA-RISC kprobes implementation * * Copyright (c) 2019 Sven Schnelle <svens@stackframe.org> */ #ifndef _PARISC_KPROBES_H #define _PARISC_KPROBES_H #include <asm-generic/kprobes.h> #ifdef CONFIG_KPROBES #include <linux/types.h> #include <linux/ptrace.h> #include <linux/notifier.h> #define PARISC_KPROBES_BREAK_INSN 0x3ff801f #define PARISC_KPROBES_BREAK_INSN2 0x3ff801e #define __ARCH_WANT_KPROBES_INSN_SLOT #define MAX_INSN_SIZE 2 typedef u32 kprobe_opcode_t; struct kprobe; void arch_remove_kprobe(struct kprobe *p); #define flush_insn_slot(p) \ flush_icache_range((unsigned long)&(p)->ainsn.insn[0], \ (unsigned long)&(p)->ainsn.insn[0] + \ MAX_INSN_SIZE*sizeof(kprobe_opcode_t)) #define kretprobe_blacklist_size 0 struct arch_specific_insn { kprobe_opcode_t *insn; }; struct prev_kprobe { struct kprobe *kp; unsigned long status; }; struct kprobe_ctlblk { unsigned int kprobe_status; struct prev_kprobe prev_kprobe; unsigned long iaoq[2]; }; int __kprobes parisc_kprobe_break_handler(struct pt_regs *regs); int __kprobes parisc_kprobe_ss_handler(struct pt_regs *regs); static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) { return 0; } #endif /* CONFIG_KPROBES */ #endif /* _PARISC_KPROBES_H */