| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
| */ |
| |
| #ifndef _ARC_KPROBES_H |
| #define _ARC_KPROBES_H |
| |
| #include <asm-generic/kprobes.h> |
| |
| #ifdef CONFIG_KPROBES |
| |
| typedef u16 kprobe_opcode_t; |
| |
| #define UNIMP_S_INSTRUCTION 0x79e0 |
| #define TRAP_S_2_INSTRUCTION 0x785e |
| |
| #define MAX_INSN_SIZE 8 |
| #define MAX_STACK_SIZE 64 |
| |
| struct arch_specific_insn { |
| int is_short; |
| kprobe_opcode_t *t1_addr, *t2_addr; |
| kprobe_opcode_t t1_opcode, t2_opcode; |
| }; |
| |
| #define flush_insn_slot(p) do { } while (0) |
| |
| #define kretprobe_blacklist_size 0 |
| |
| struct kprobe; |
| |
| void arch_remove_kprobe(struct kprobe *p); |
| |
| struct prev_kprobe { |
| struct kprobe *kp; |
| unsigned long status; |
| }; |
| |
| struct kprobe_ctlblk { |
| unsigned int kprobe_status; |
| struct prev_kprobe prev_kprobe; |
| }; |
| |
| int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause); |
| void __kretprobe_trampoline(void); |
| void trap_is_kprobe(unsigned long address, struct pt_regs *regs); |
| #else |
| #define trap_is_kprobe(address, regs) |
| #endif /* CONFIG_KPROBES */ |
| |
| #endif /* _ARC_KPROBES_H */ |