1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * arch/parisc/include/asm/kprobes.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * PA-RISC kprobes implementation 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Copyright (c) 2019 Sven Schnelle <svens@stackframe.org> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef _PARISC_KPROBES_H 11*4882a593Smuzhiyun #define _PARISC_KPROBES_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #ifdef CONFIG_KPROBES 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include <asm-generic/kprobes.h> 16*4882a593Smuzhiyun #include <linux/types.h> 17*4882a593Smuzhiyun #include <linux/ptrace.h> 18*4882a593Smuzhiyun #include <linux/notifier.h> 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define PARISC_KPROBES_BREAK_INSN 0x3ff801f 21*4882a593Smuzhiyun #define __ARCH_WANT_KPROBES_INSN_SLOT 22*4882a593Smuzhiyun #define MAX_INSN_SIZE 1 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun typedef u32 kprobe_opcode_t; 25*4882a593Smuzhiyun struct kprobe; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun void arch_remove_kprobe(struct kprobe *p); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #define flush_insn_slot(p) \ 30*4882a593Smuzhiyun flush_icache_range((unsigned long)&(p)->ainsn.insn[0], \ 31*4882a593Smuzhiyun (unsigned long)&(p)->ainsn.insn[0] + \ 32*4882a593Smuzhiyun sizeof(kprobe_opcode_t)) 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #define kretprobe_blacklist_size 0 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun struct arch_specific_insn { 37*4882a593Smuzhiyun kprobe_opcode_t *insn; 38*4882a593Smuzhiyun }; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun struct prev_kprobe { 41*4882a593Smuzhiyun struct kprobe *kp; 42*4882a593Smuzhiyun unsigned long status; 43*4882a593Smuzhiyun }; 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun struct kprobe_ctlblk { 46*4882a593Smuzhiyun unsigned int kprobe_status; 47*4882a593Smuzhiyun struct prev_kprobe prev_kprobe; 48*4882a593Smuzhiyun unsigned long iaoq[2]; 49*4882a593Smuzhiyun }; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun int __kprobes parisc_kprobe_break_handler(struct pt_regs *regs); 52*4882a593Smuzhiyun int __kprobes parisc_kprobe_ss_handler(struct pt_regs *regs); kprobe_fault_handler(struct pt_regs * regs,int trapnr)53*4882a593Smuzhiyunstatic inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) 54*4882a593Smuzhiyun { 55*4882a593Smuzhiyun return 0; 56*4882a593Smuzhiyun } 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun #endif /* CONFIG_KPROBES */ 59*4882a593Smuzhiyun #endif /* _PARISC_KPROBES_H */ 60