[deliverable/binutils-gdb.git] / gdb / gdbserver / linux-s390-low.c

/* GNU/Linux S/390 specific low level interface, for the remote server
   for GDB.
   Copyright 2001, 2002
   Free Software Foundation, Inc.

   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 2 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, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

/* This file is used for both 31-bit and 64-bit S/390 systems.  */

#include "server.h"
#include "linux-low.h"

#include <asm/ptrace.h>

#define s390_num_regs 51

static int s390_regmap[] = {
  PT_PSWMASK, PT_PSWADDR,

  PT_GPR0, PT_GPR1, PT_GPR2, PT_GPR3,
  PT_GPR4, PT_GPR5, PT_GPR6, PT_GPR7,
  PT_GPR8, PT_GPR9, PT_GPR10, PT_GPR11,
  PT_GPR12, PT_GPR13, PT_GPR14, PT_GPR15,

  PT_ACR0, PT_ACR1, PT_ACR2, PT_ACR3,
  PT_ACR4, PT_ACR5, PT_ACR6, PT_ACR7,
  PT_ACR8, PT_ACR9, PT_ACR10, PT_ACR11,
  PT_ACR12, PT_ACR13, PT_ACR14, PT_ACR15,

  PT_FPC,

#ifndef __s390x__
  PT_FPR0_HI, PT_FPR1_HI, PT_FPR2_HI, PT_FPR3_HI,
  PT_FPR4_HI, PT_FPR5_HI, PT_FPR6_HI, PT_FPR7_HI,
  PT_FPR8_HI, PT_FPR9_HI, PT_FPR10_HI, PT_FPR11_HI,
  PT_FPR12_HI, PT_FPR13_HI, PT_FPR14_HI, PT_FPR15_HI,
#else
  PT_FPR0, PT_FPR1, PT_FPR2, PT_FPR3,
  PT_FPR4, PT_FPR5, PT_FPR6, PT_FPR7,
  PT_FPR8, PT_FPR9, PT_FPR10, PT_FPR11,
  PT_FPR12, PT_FPR13, PT_FPR14, PT_FPR15,
#endif
};

static int
s390_cannot_fetch_register (int regno)
{
  if (s390_regmap[regno] == -1)
    return 1;

  return 0;
}

static int
s390_cannot_store_register (int regno)
{
  if (s390_regmap[regno] == -1)
    return 1;

  return 0;
}

struct linux_target_ops the_low_target = {
  s390_num_regs,
  s390_regmap,
  s390_cannot_fetch_register,
  s390_cannot_store_register,
};
Commit	Line	Data
265f716b DJ	1	/* GNU/Linux S/390 specific low level interface, for the remote server
	2	for GDB.
	3	Copyright 2001, 2002
	4	Free Software Foundation, Inc.
	5
	6	This file is part of GDB.
	7
	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2 of the License, or
	11	(at your option) any later version.
	12
	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with this program; if not, write to the Free Software
	20	Foundation, Inc., 59 Temple Place - Suite 330,
	21	Boston, MA 02111-1307, USA. */
	22
	23	/* This file is used for both 31-bit and 64-bit S/390 systems. */
	24
	25	#include "server.h"
	26	#include "linux-low.h"
	27
	28	#include <asm/ptrace.h>
	29
d0f54f9d	30	#define s390_num_regs 51
265f716b	31
2ec06d2e	32	static int s390_regmap[] = {
265f716b DJ	33	PT_PSWMASK, PT_PSWADDR,
	34
	35	PT_GPR0, PT_GPR1, PT_GPR2, PT_GPR3,
	36	PT_GPR4, PT_GPR5, PT_GPR6, PT_GPR7,
	37	PT_GPR8, PT_GPR9, PT_GPR10, PT_GPR11,
	38	PT_GPR12, PT_GPR13, PT_GPR14, PT_GPR15,
	39
	40	PT_ACR0, PT_ACR1, PT_ACR2, PT_ACR3,
	41	PT_ACR4, PT_ACR5, PT_ACR6, PT_ACR7,
	42	PT_ACR8, PT_ACR9, PT_ACR10, PT_ACR11,
	43	PT_ACR12, PT_ACR13, PT_ACR14, PT_ACR15,
	44
265f716b DJ	45	PT_FPC,
265f716b DJ	46
d0f54f9d	47	#ifndef __s390x__
265f716b DJ	48	PT_FPR0_HI, PT_FPR1_HI, PT_FPR2_HI, PT_FPR3_HI,
	49	PT_FPR4_HI, PT_FPR5_HI, PT_FPR6_HI, PT_FPR7_HI,
	50	PT_FPR8_HI, PT_FPR9_HI, PT_FPR10_HI, PT_FPR11_HI,
	51	PT_FPR12_HI, PT_FPR13_HI, PT_FPR14_HI, PT_FPR15_HI,
	52	#else
	53	PT_FPR0, PT_FPR1, PT_FPR2, PT_FPR3,
	54	PT_FPR4, PT_FPR5, PT_FPR6, PT_FPR7,
	55	PT_FPR8, PT_FPR9, PT_FPR10, PT_FPR11,
	56	PT_FPR12, PT_FPR13, PT_FPR14, PT_FPR15,
	57	#endif
	58	};
	59
2ec06d2e DJ	60	static int
2ec06d2e DJ	61	s390_cannot_fetch_register (int regno)
265f716b	62	{
2ec06d2e	63	if (s390_regmap[regno] == -1)
265f716b DJ	64	return 1;
	65
	66	return 0;
	67	}
	68
2ec06d2e DJ	69	static int
2ec06d2e DJ	70	s390_cannot_store_register (int regno)
265f716b	71	{
2ec06d2e	72	if (s390_regmap[regno] == -1)
265f716b DJ	73	return 1;
	74
	75	return 0;
	76	}
2ec06d2e DJ	77
	78	struct linux_target_ops the_low_target = {
	79	s390_num_regs,
	80	s390_regmap,
	81	s390_cannot_fetch_register,
	82	s390_cannot_store_register,
	83	};