break.h

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/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1995, 2003 by Ralf Baechle
 * Copyright (C) 1999 Silicon Graphics, Inc.
 */
#ifndef __ASM_BREAK_H
#define __ASM_BREAK_H

/*
 * The following break codes are or were in use for specific purposes in
 * other MIPS operating systems.  Linux/MIPS doesn't use all of them.  The
 * unused ones are here as placeholders; we might encounter them in
 * non-Linux/MIPS object files or make use of them in the future.
 */
#define BRK_USERBP  0   /* User bp (used by debuggers) */
#define BRK_KERNELBP    1   /* Break in the kernel */
#define BRK_ABORT   2   /* Sometimes used by abort(3) to SIGIOT */
#define BRK_BD_TAKEN    3   /* For bd slot emulation - not implemented */
#define BRK_BD_NOTTAKEN 4   /* For bd slot emulation - not implemented */
#define BRK_SSTEPBP 5   /* User bp (used by debuggers) */
#define BRK_OVERFLOW    6   /* Overflow check */
#define BRK_DIVZERO 7   /* Divide by zero check */
#define BRK_RANGE   8   /* Range error check */
#define BRK_STACKOVERFLOW 9 /* For Ada stackchecking */
#define BRK_NORLD   10  /* No rld found - not used by Linux/MIPS */
#define _BRK_THREADBP   11  /* For threads, user bp (used by debuggers) */
#define BRK_BUG     512 /* Used by BUG() */
#define BRK_KDB     513 /* Used in KDB_ENTER() */
#define BRK_MEMU    514 /* Used by FPU emulator */
#define BRK_KPROBE_BP   515 /* Kprobe break */
#define BRK_KPROBE_SSTEPBP 516  /* Kprobe single step software implementation */
#define BRK_MULOVF  1023    /* Multiply overflow */

#endif /* __ASM_BREAK_H */