| /* 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 */ |
