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/* * Copyright (C) 2012 Rabin Vincent <rabin at rab.in> * * 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. */ #ifndef _ASM_UPROBES_H #define _ASM_UPROBES_H #include <asm/probes.h> #include <asm/opcodes.h> typedef u32 uprobe_opcode_t; #define MAX_UINSN_BYTES 4 #define UPROBE_XOL_SLOT_BYTES 64 #define UPROBE_SWBP_ARM_INSN 0xe7f001f9 #define UPROBE_SS_ARM_INSN 0xe7f001fa #define UPROBE_SWBP_INSN __opcode_to_mem_arm(UPROBE_SWBP_ARM_INSN) #define UPROBE_SWBP_INSN_SIZE 4 struct arch_uprobe_task { u32 backup; unsigned long saved_trap_no; }; struct arch_uprobe { u8 insn[MAX_UINSN_BYTES]; unsigned long ixol[2]; uprobe_opcode_t bpinsn; bool simulate; u32 pcreg; void (*prehandler)(struct arch_uprobe *auprobe, struct arch_uprobe_task *autask, struct pt_regs *regs); void (*posthandler)(struct arch_uprobe *auprobe, struct arch_uprobe_task *autask, struct pt_regs *regs); struct arch_probes_insn asi; }; #endif