linux-brain/arch/arc/include/asm/kgdb.h
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

61 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* kgdb support for ARC
*
* Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
*/
#ifndef __ARC_KGDB_H__
#define __ARC_KGDB_H__
#ifdef CONFIG_KGDB
#include <asm/ptrace.h>
/* to ensure compatibility with Linux 2.6.35, we don't implement the get/set
* register API yet */
#undef DBG_MAX_REG_NUM
#define GDB_MAX_REGS 87
#define BREAK_INSTR_SIZE 2
#define CACHE_FLUSH_IS_SAFE 1
#define NUMREGBYTES (GDB_MAX_REGS * 4)
#define BUFMAX 2048
static inline void arch_kgdb_breakpoint(void)
{
__asm__ __volatile__ ("trap_s 0x4\n");
}
extern void kgdb_trap(struct pt_regs *regs);
/* This is the numbering of registers according to the GDB. See GDB's
* arc-tdep.h for details.
*
* Registers are ordered for GDB 7.5. It is incompatible with GDB 6.8. */
enum arc_linux_regnums {
_R0 = 0,
_R1, _R2, _R3, _R4, _R5, _R6, _R7, _R8, _R9, _R10, _R11, _R12, _R13,
_R14, _R15, _R16, _R17, _R18, _R19, _R20, _R21, _R22, _R23, _R24,
_R25, _R26,
_FP = 27,
__SP = 28,
_R30 = 30,
_BLINK = 31,
_LP_COUNT = 60,
_STOP_PC = 64,
_RET = 64,
_LP_START = 65,
_LP_END = 66,
_STATUS32 = 67,
_ECR = 76,
_BTA = 82,
};
#else
#define kgdb_trap(regs)
#endif
#endif /* __ARC_KGDB_H__ */