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c1bf207d6e
This patch is based on previous work by Sony and Himanshu Chauhan. I have done some cleanup and implemented JProbes and KRETPROBES. The KRETPROBES part is pretty much copied verbatim from powerpc. A possible future enhance might be to factor out the common code. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Cc: Himanshu Chauhan <hschauhan@nulltrace.org> To: linux-mips@linux-mips.org To: ananth@in.ibm.com, To: anil.s.keshavamurthy@intel.com To: davem@davemloft.net To: masami.hiramatsu.pt@hitachi.com Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1525/ Patchwork: https://patchwork.linux-mips.org/patch/1530/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
38 lines
1.6 KiB
C
38 lines
1.6 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1995, 2003 by Ralf Baechle
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* Copyright (C) 1999 Silicon Graphics, Inc.
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*/
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#ifndef __ASM_BREAK_H
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#define __ASM_BREAK_H
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/*
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* The following break codes are or were in use for specific purposes in
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* other MIPS operating systems. Linux/MIPS doesn't use all of them. The
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* unused ones are here as placeholders; we might encounter them in
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* non-Linux/MIPS object files or make use of them in the future.
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*/
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#define BRK_USERBP 0 /* User bp (used by debuggers) */
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#define BRK_KERNELBP 1 /* Break in the kernel */
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#define BRK_ABORT 2 /* Sometimes used by abort(3) to SIGIOT */
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#define BRK_BD_TAKEN 3 /* For bd slot emulation - not implemented */
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#define BRK_BD_NOTTAKEN 4 /* For bd slot emulation - not implemented */
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#define BRK_SSTEPBP 5 /* User bp (used by debuggers) */
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#define BRK_OVERFLOW 6 /* Overflow check */
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#define BRK_DIVZERO 7 /* Divide by zero check */
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#define BRK_RANGE 8 /* Range error check */
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#define BRK_STACKOVERFLOW 9 /* For Ada stackchecking */
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#define BRK_NORLD 10 /* No rld found - not used by Linux/MIPS */
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#define _BRK_THREADBP 11 /* For threads, user bp (used by debuggers) */
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#define BRK_BUG 512 /* Used by BUG() */
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#define BRK_KDB 513 /* Used in KDB_ENTER() */
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#define BRK_MEMU 514 /* Used by FPU emulator */
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#define BRK_KPROBE_BP 515 /* Kprobe break */
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#define BRK_KPROBE_SSTEPBP 516 /* Kprobe single step software implementation */
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#define BRK_MULOVF 1023 /* Multiply overflow */
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#endif /* __ASM_BREAK_H */
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