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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1995, 2003 by Ralf Baechle
7 * Copyright (C) 1999 Silicon Graphics, Inc.
8 */
9#ifndef __ASM_BREAK_H
10#define __ASM_BREAK_H
11
12/*
13 * The following break codes are or were in use for specific purposes in
14 * other MIPS operating systems. Linux/MIPS doesn't use all of them. The
15 * unused ones are here as placeholders; we might encounter them in
16 * non-Linux/MIPS object files or make use of them in the future.
17 */
18#define BRK_USERBP 0 /* User bp (used by debuggers) */
19#define BRK_KERNELBP 1 /* Break in the kernel */
20#define BRK_ABORT 2 /* Sometimes used by abort(3) to SIGIOT */
21#define BRK_BD_TAKEN 3 /* For bd slot emulation - not implemented */
22#define BRK_BD_NOTTAKEN 4 /* For bd slot emulation - not implemented */
23#define BRK_SSTEPBP 5 /* User bp (used by debuggers) */
24#define BRK_OVERFLOW 6 /* Overflow check */
25#define BRK_DIVZERO 7 /* Divide by zero check */
26#define BRK_RANGE 8 /* Range error check */
27#define BRK_STACKOVERFLOW 9 /* For Ada stackchecking */
28#define BRK_NORLD 10 /* No rld found - not used by Linux/MIPS */
29#define _BRK_THREADBP 11 /* For threads, user bp (used by debuggers) */
30#define BRK_BUG 512 /* Used by BUG() */
31#define BRK_MULOVF 1023 /* Multiply overflow */
32
33#endif /* __ASM_BREAK_H */