| 123456789101112131415161718192021222324252627282930313233343536373839404142 |
- /* 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
|
