64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
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/*
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* kgdb support for ARC
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*
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* Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ARC_KGDB_H__
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#define __ARC_KGDB_H__
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#ifdef CONFIG_KGDB
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#include <asm/ptrace.h>
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/* to ensure compatibility with Linux 2.6.35, we don't implement the get/set
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* register API yet */
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#undef DBG_MAX_REG_NUM
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#define GDB_MAX_REGS 87
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#define BREAK_INSTR_SIZE 2
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#define CACHE_FLUSH_IS_SAFE 1
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#define NUMREGBYTES (GDB_MAX_REGS * 4)
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#define BUFMAX 2048
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static inline void arch_kgdb_breakpoint(void)
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{
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__asm__ __volatile__ ("trap_s 0x4\n");
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}
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extern void kgdb_trap(struct pt_regs *regs);
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/* This is the numbering of registers according to the GDB. See GDB's
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* arc-tdep.h for details.
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*
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* Registers are ordered for GDB 7.5. It is incompatible with GDB 6.8. */
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enum arc_linux_regnums {
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_R0 = 0,
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_R1, _R2, _R3, _R4, _R5, _R6, _R7, _R8, _R9, _R10, _R11, _R12, _R13,
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_R14, _R15, _R16, _R17, _R18, _R19, _R20, _R21, _R22, _R23, _R24,
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_R25, _R26,
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_FP = 27,
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__SP = 28,
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_R30 = 30,
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_BLINK = 31,
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_LP_COUNT = 60,
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_STOP_PC = 64,
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_RET = 64,
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_LP_START = 65,
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_LP_END = 66,
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_STATUS32 = 67,
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_ECR = 76,
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_BTA = 82,
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};
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#else
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#define kgdb_trap(regs)
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#endif
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#endif /* __ARC_KGDB_H__ */
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