| /* 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 |
