forked from luck/tmp_suning_uos_patched
ebc0c74e76
Order of registers has changed in GDB moving from 6.8 to 7.5. This patch updates KGDB to work properly with GDB 7.5, though makes it incompatible with 6.8. Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: <stable@vger.kernel.org> #3.10, 3.12, 3.14, 3.16
64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
/*
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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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