43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/* 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
|