File: /Users/paulross/dev/linux/linux-3.13/arch/x86/include/asm/uprobes.h

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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: