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Diffstat (limited to 'arch/arm/probes/kprobes/core.h')
| -rw-r--r-- | arch/arm/probes/kprobes/core.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/probes/kprobes/core.h b/arch/arm/probes/kprobes/core.h new file mode 100644 index 000000000..c3db46865 --- /dev/null +++ b/arch/arm/probes/kprobes/core.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/kernel/kprobes.h + * + * Copyright (C) 2011 Jon Medhurst <tixy@yxit.co.uk>. + * + * Some contents moved here from arch/arm/include/asm/kprobes.h which is + * Copyright (C) 2006, 2007 Motorola Inc. + */ + +#ifndef _ARM_KERNEL_KPROBES_H +#define _ARM_KERNEL_KPROBES_H + +#include <asm/kprobes.h> +#include "../decode.h" + +/* + * These undefined instructions must be unique and + * reserved solely for kprobes' use. + */ +#define KPROBE_ARM_BREAKPOINT_INSTRUCTION 0x07f001f8 +#define KPROBE_THUMB16_BREAKPOINT_INSTRUCTION 0xde18 +#define KPROBE_THUMB32_BREAKPOINT_INSTRUCTION 0xf7f0a018 + +extern void kprobes_remove_breakpoint(void *addr, unsigned int insn); + +enum probes_insn __kprobes +kprobe_decode_ldmstm(kprobe_opcode_t insn, struct arch_probes_insn *asi, + const struct decode_header *h); + +typedef enum probes_insn (kprobe_decode_insn_t)(probes_opcode_t, + struct arch_probes_insn *, + bool, + const union decode_action *, + const struct decode_checker *[]); + +#ifdef CONFIG_THUMB2_KERNEL + +extern const union decode_action kprobes_t32_actions[]; +extern const union decode_action kprobes_t16_actions[]; +extern const struct decode_checker *kprobes_t32_checkers[]; +extern const struct decode_checker *kprobes_t16_checkers[]; +#else /* !CONFIG_THUMB2_KERNEL */ + +extern const union decode_action kprobes_arm_actions[]; +extern const struct decode_checker *kprobes_arm_checkers[]; + +#endif + +#endif /* _ARM_KERNEL_KPROBES_H */ |