LXR linux/arch/powerpc/include/asm/uprobes.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2#ifndef _ASM_UPROBES_H
   3#define _ASM_UPROBES_H
   4/*
   5 * User-space Probes (UProbes) for powerpc
   6 *
   7 * Copyright IBM Corporation, 2007-2012
   8 *
   9 * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com>
  10 */
  11
  12#include <linux/notifier.h>
  13#include <asm/probes.h>
  14
  15typedef ppc_opcode_t uprobe_opcode_t;
  16
  17#define MAX_UINSN_BYTES         8
  18#define UPROBE_XOL_SLOT_BYTES   (MAX_UINSN_BYTES)
  19
  20/* The following alias is needed for reference from arch-agnostic code */
  21#define UPROBE_SWBP_INSN        BREAKPOINT_INSTRUCTION
  22#define UPROBE_SWBP_INSN_SIZE   4 /* swbp insn size in bytes */
  23
  24struct arch_uprobe {
  25        union {
  26                u32 insn[2];
  27                u32 ixol[2];
  28        };
  29};
  30
  31struct arch_uprobe_task {
  32        unsigned long   saved_trap_nr;
  33};
  34
  35#endif  /* _ASM_UPROBES_H */
  36