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kernel/linux-rt-4.4.41/arch/powerpc/include/asm/uprobes.h 1.41 KB
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  #ifndef _ASM_UPROBES_H
  #define _ASM_UPROBES_H
  /*
   * User-space Probes (UProbes) for powerpc
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * 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.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
   *
   * Copyright IBM Corporation, 2007-2012
   *
   * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com>
   */
  
  #include <linux/notifier.h>
  #include <asm/probes.h>
  
  typedef ppc_opcode_t uprobe_opcode_t;
  
  #define MAX_UINSN_BYTES		4
  #define UPROBE_XOL_SLOT_BYTES	(MAX_UINSN_BYTES)
  
  /* The following alias is needed for reference from arch-agnostic code */
  #define UPROBE_SWBP_INSN	BREAKPOINT_INSTRUCTION
  #define UPROBE_SWBP_INSN_SIZE	4 /* swbp insn size in bytes */
  
  struct arch_uprobe {
  	union {
  		u32	insn;
  		u32	ixol;
  	};
  };
  
  struct arch_uprobe_task {
  	unsigned long	saved_trap_nr;
  };
  
  #endif	/* _ASM_UPROBES_H */