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/* Target dependent code for ARC processor family, for GDB, the GNU debugger.
Copyright 2008, 2009 Free Software Foundation, Inc.
Contributed by ARC International (www.arc.com)
Authors:
Richard Stuckey <richard.stuckey@arc.com>
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/******************************************************************************/
/* */
/* Outline: */
/* This header file defines some useful types and constants, and macros */
/* for use in debugging. */
/* */
/******************************************************************************/
#ifndef ARC_SUPPORT_H
#define ARC_SUPPORT_H
#define ARC_DEBUG 1
#ifdef ARC_DEBUG
#define DEBUG(...) if (arc_debug_target) fprintf_unfiltered(gdb_stdlog, __VA_ARGS__)
#define ENTERMSG DEBUG("--- entered %s:%s()\n", __FILE__, __FUNCTION__)
#define ENTERARGS(fmt, args...) DEBUG("--- entered %s:%s(" fmt ")\n", __FILE__, __FUNCTION__, args)
#define LEAVEMSG DEBUG("--- exited %s:%s()\n", __FILE__, __FUNCTION__)
#else
#define DEBUG(...)
#define ENTERMSG
#define ENTERARGS(fmt, args...)
#define LEAVEMSG
#endif
/* N.B. it must be possible to build some ARC modules without the rest of gdb so
that they can be exercised by stand-alone test drivers. */
#ifdef STANDALONE_TEST
#define error(...) { printf(__VA_ARGS__); printf("\n"); }
#define warning(...) { printf(__VA_ARGS__); printf("\n"); }
#define printf_filtered(...) printf(__VA_ARGS__)
#define printf_unfiltered(...) printf(__VA_ARGS__)
#define fprintf_unfiltered(STR, ...) printf(__VA_ARGS__)
#define internal_error(...) abort()
#endif
/* Useful Boolean type and constants. */
typedef int Boolean;
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
/* Useful types for machine-related quantities.
N.B. the type ARC_RegisterNumber does not denote gdb register numbers;
instead, it denotes ARC processor hardware numbers, which are not
the same. */
typedef unsigned int ARC_RegisterNumber;
typedef unsigned int ARC_RegisterContents;
typedef unsigned int ARC_Address;
typedef unsigned long long int ARC_Doubleword;
typedef unsigned int ARC_Word;
typedef unsigned short int ARC_Halfword;
typedef unsigned char ARC_Byte;
/* Types for machine-access functions. */
typedef Boolean (*ReadRegisterFunction)(ARC_RegisterNumber hw_regno,
ARC_RegisterContents *contents,
Boolean warn_on_failure);
typedef Boolean (*WriteRegisterFunction)(ARC_RegisterNumber hw_regno,
ARC_RegisterContents contents,
Boolean warn_on_failure);
typedef unsigned int (*MemoryTransferFunction)(ARC_Address address,
ARC_Byte *data, /* May be not word-aligned. */
unsigned int amount);
typedef unsigned int (*MemoryFillFunction) (ARC_Address address,
ARC_Word pattern,
unsigned int amount);
typedef struct
{
ReadRegisterFunction read_core_register;
WriteRegisterFunction write_core_register;
ReadRegisterFunction read_auxiliary_register;
WriteRegisterFunction write_auxiliary_register;
MemoryTransferFunction read_memory;
MemoryTransferFunction write_memory;
MemoryFillFunction fill_memory;
} TargetOperations;
/* Sizes of machine quantities. */
#define BYTES_IN_WORD 4
#define BYTES_IN_REGISTER 4
#define BITS_IN_BYTE 8
#define BITS_IN_WORD 32
#define BITS_IN_ADDRESS 32
#define BITS_IN_REGISTER 32
/* Useful macros. */
#define ELEMENTS_IN_ARRAY(arr) (unsigned int) (sizeof(arr) / sizeof(arr[0]))
#define IS_WORD_ALIGNED(addr) ((addr) % BYTES_IN_WORD == 0)
#endif /* ARC_SUPPORT_H */
/******************************************************************************/
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