| /* 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> | |
| typedef u32 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 */ |