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- /*
- * arch/arm/include/asm/probes.h
- *
- * Original contents copied from arch/arm/include/asm/kprobes.h
- * which contains the following notice...
- *
- * Copyright (C) 2006, 2007 Motorola Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- */
- #ifndef _ASM_PROBES_H
- #define _ASM_PROBES_H
- #ifndef __ASSEMBLY__
- typedef u32 probes_opcode_t;
- struct arch_probes_insn;
- typedef void (probes_insn_handler_t)(probes_opcode_t,
- struct arch_probes_insn *,
- struct pt_regs *);
- typedef unsigned long (probes_check_cc)(unsigned long);
- typedef void (probes_insn_singlestep_t)(probes_opcode_t,
- struct arch_probes_insn *,
- struct pt_regs *);
- typedef void (probes_insn_fn_t)(void);
- /* Architecture specific copy of original instruction. */
- struct arch_probes_insn {
- probes_opcode_t *insn;
- probes_insn_handler_t *insn_handler;
- probes_check_cc *insn_check_cc;
- probes_insn_singlestep_t *insn_singlestep;
- probes_insn_fn_t *insn_fn;
- int stack_space;
- unsigned long register_usage_flags;
- bool kprobe_direct_exec;
- };
- #endif /* __ASSEMBLY__ */
- /*
- * We assume one instruction can consume at most 64 bytes stack, which is
- * 'push {r0-r15}'. Instructions consume more or unknown stack space like
- * 'str r0, [sp, #-80]' and 'str r0, [sp, r1]' should be prohibit to probe.
- * Both kprobe and jprobe use this macro.
- */
- #define MAX_STACK_SIZE 64
- #endif
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