Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

/* 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
 * 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)
 */
#define KPROBES_BRK_IMM			0x004
#define UPROBES_BRK_IMM			0x005
#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

#endif