| /* 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 |
| |
| #ifdef CONFIG_KPROBES |
| |
| #include <asm-generic/kprobes.h> |
| #include <linux/types.h> |
| #include <linux/ptrace.h> |
| #include <linux/notifier.h> |
| |
| #define PARISC_KPROBES_BREAK_INSN 0x3ff801f |
| #define __ARCH_WANT_KPROBES_INSN_SLOT |
| #define MAX_INSN_SIZE 1 |
| |
| 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] + \ |
| 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 */ |