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1: #ifndef _ASM_UPROBES_H 2: #define _ASM_UPROBES_H 3: /* 4: * User-space Probes (UProbes) for x86 5: * 6: * This program is free software; you can redistribute it and/or modify 7: * it under the terms of the GNU General Public License as published by 8: * the Free Software Foundation; either version 2 of the License, or 9: * (at your option) any later version. 10: * 11: * This program is distributed in the hope that it will be useful, 12: * but WITHOUT ANY WARRANTY; without even the implied warranty of 13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14: * GNU General Public License for more details. 15: * 16: * You should have received a copy of the GNU General Public License 17: * along with this program; if not, write to the Free Software 18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19: * 20: * Copyright (C) IBM Corporation, 2008-2011 21: * Authors: 22: * Srikar Dronamraju 23: * Jim Keniston 24: */ 25: 26: #include <linux/notifier.h> 27: 28: typedef u8 uprobe_opcode_t; 29: 30: #define MAX_UINSN_BYTES 16 31: #define UPROBE_XOL_SLOT_BYTES 128 /* to keep it cache aligned */ 32: 33: #define UPROBE_SWBP_INSN 0xcc 34: #define UPROBE_SWBP_INSN_SIZE 1 35: 36: struct arch_uprobe { 37: u16 fixups; 38: union { 39: u8 insn[MAX_UINSN_BYTES]; 40: u8 ixol[MAX_UINSN_BYTES]; 41: }; 42: #ifdef CONFIG_X86_64 43: unsigned long rip_rela_target_address; 44: #endif 45: }; 46: 47: struct arch_uprobe_task { 48: #ifdef CONFIG_X86_64 49: unsigned long saved_scratch_register; 50: #endif 51: unsigned int saved_trap_nr; 52: unsigned int saved_tf; 53: }; 54: 55: #endif /* _ASM_UPROBES_H */ 56: