| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 | |
| 15 | typedef ppc_opcode_t uprobe_opcode_t; |
| 16 | |
| 17 | #define MAX_UINSN_BYTES 4 |
| 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 | |
| 24 | struct arch_uprobe { |
| 25 | union { |
| 26 | u32 insn; |
| 27 | u32 ixol; |
| 28 | }; |
| 29 | }; |
| 30 | |
| 31 | struct arch_uprobe_task { |
| 32 | unsigned long saved_trap_nr; |
| 33 | }; |
| 34 | |
| 35 | #endif /* _ASM_UPROBES_H */ |