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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _ASM_UPROBES_H
#define _ASM_UPROBES_H
/*
* User-space Probes (UProbes) for powerpc
*
* 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>
#include <asm/inst.h>
typedef ppc_opcode_t uprobe_opcode_t;
#define MAX_UINSN_BYTES 8
#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[2];
u32 ixol[2];
};
};
struct arch_uprobe_task {
unsigned long saved_trap_nr;
};
#endif /* _ASM_UPROBES_H */