| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| /* | |
| * Copyright (C) 2012 ARM Ltd. | |
| */ | |
| #ifndef __ASM_BRK_IMM_H | |
| #define __ASM_BRK_IMM_H | |
| /* | |
| * #imm16 values used for BRK instruction generation | |
| * 0x004: for installing kprobes | |
| * 0x005: for installing uprobes | |
| * 0x006: for kprobe software single-step | |
| * 0x007: for kretprobe return | |
| * Allowed values for kgdb are 0x400 - 0x7ff | |
| * 0x100: for triggering a fault on purpose (reserved) | |
| * 0x400: for dynamic BRK instruction | |
| * 0x401: for compile time BRK instruction | |
| * 0x800: kernel-mode BUG() and WARN() traps | |
| * 0x9xx: tag-based KASAN trap (allowed values 0x900 - 0x9ff) | |
| * 0x55xx: Undefined Behavior Sanitizer traps ('U' << 8) | |
| * 0x8xxx: Control-Flow Integrity traps | |
| */ | |
| #define KPROBES_BRK_IMM 0x004 | |
| #define UPROBES_BRK_IMM 0x005 | |
| #define KPROBES_BRK_SS_IMM 0x006 | |
| #define KRETPROBES_BRK_IMM 0x007 | |
| #define FAULT_BRK_IMM 0x100 | |
| #define KGDB_DYN_DBG_BRK_IMM 0x400 | |
| #define KGDB_COMPILED_DBG_BRK_IMM 0x401 | |
| #define BUG_BRK_IMM 0x800 | |
| #define KASAN_BRK_IMM 0x900 | |
| #define KASAN_BRK_MASK 0x0ff | |
| #define UBSAN_BRK_IMM 0x5500 | |
| #define UBSAN_BRK_MASK 0x00ff | |
| #define CFI_BRK_IMM_TARGET GENMASK(4, 0) | |
| #define CFI_BRK_IMM_TYPE GENMASK(9, 5) | |
| #define CFI_BRK_IMM_BASE 0x8000 | |
| #define CFI_BRK_IMM_MASK (CFI_BRK_IMM_TARGET | CFI_BRK_IMM_TYPE) | |
| #endif |