1*1802d0beSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 22dd0e8d2SSandeepa Prabhu /* 32dd0e8d2SSandeepa Prabhu * arch/arm64/kernel/probes/decode-insn.h 42dd0e8d2SSandeepa Prabhu * 52dd0e8d2SSandeepa Prabhu * Copyright (C) 2013 Linaro Limited. 62dd0e8d2SSandeepa Prabhu */ 72dd0e8d2SSandeepa Prabhu 82dd0e8d2SSandeepa Prabhu #ifndef _ARM_KERNEL_KPROBES_ARM64_H 92dd0e8d2SSandeepa Prabhu #define _ARM_KERNEL_KPROBES_ARM64_H 102dd0e8d2SSandeepa Prabhu 117d134b2cSLuis R. Rodriguez #include <asm/kprobes.h> 127d134b2cSLuis R. Rodriguez 132dd0e8d2SSandeepa Prabhu /* 142dd0e8d2SSandeepa Prabhu * ARM strongly recommends a limit of 128 bytes between LoadExcl and 152dd0e8d2SSandeepa Prabhu * StoreExcl instructions in a single thread of execution. So keep the 162dd0e8d2SSandeepa Prabhu * max atomic context size as 32. 172dd0e8d2SSandeepa Prabhu */ 182dd0e8d2SSandeepa Prabhu #define MAX_ATOMIC_CONTEXT_SIZE (128 / sizeof(kprobe_opcode_t)) 192dd0e8d2SSandeepa Prabhu 20c2249707SPratyush Anand enum probe_insn { 212dd0e8d2SSandeepa Prabhu INSN_REJECTED, 2239a67d49SSandeepa Prabhu INSN_GOOD_NO_SLOT, 232dd0e8d2SSandeepa Prabhu INSN_GOOD, 242dd0e8d2SSandeepa Prabhu }; 252dd0e8d2SSandeepa Prabhu 26c2249707SPratyush Anand #ifdef CONFIG_KPROBES 27c2249707SPratyush Anand enum probe_insn __kprobes 282dd0e8d2SSandeepa Prabhu arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi); 29c2249707SPratyush Anand #endif 30c2249707SPratyush Anand enum probe_insn __kprobes 31c2249707SPratyush Anand arm_probe_decode_insn(probe_opcode_t insn, struct arch_probe_insn *asi); 322dd0e8d2SSandeepa Prabhu 332dd0e8d2SSandeepa Prabhu #endif /* _ARM_KERNEL_KPROBES_ARM64_H */ 34