binutils-gdb/gdb/sh-tdep.h

/* Target-specific definition for a Renesas Super-H.
   Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   2003, 2007, 2008, 2009, 2010 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 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/>.  */

#ifndef SH_TDEP_H
#define SH_TDEP_H

/* Contributed by Steve Chamberlain sac@cygnus.com */

/* Registers for all SH variants.  Used also by sh3-rom.c. */
enum
  {
    R0_REGNUM = 0,
    STRUCT_RETURN_REGNUM = 2,
    ARG0_REGNUM = 4,
    ARGLAST_REGNUM = 7,
    FP_REGNUM = 14,
    PC_REGNUM = 16,
    PR_REGNUM = 17,
    GBR_REGNUM = 18,
    VBR_REGNUM = 19,
    MACH_REGNUM = 20,
    MACL_REGNUM = 21,
    SR_REGNUM = 22,
    FPUL_REGNUM = 23,
    /* Floating point registers */
    FPSCR_REGNUM = 24,
    FR0_REGNUM = 25,
    FLOAT_ARG0_REGNUM = 29,
    FLOAT_ARGLAST_REGNUM = 36,
    FP_LAST_REGNUM = 40,
    /* sh3,sh4 registers */
    SSR_REGNUM = 41,
    SPC_REGNUM = 42,
    /* DSP registers */
    DSR_REGNUM = 24,
    A0G_REGNUM = 25,
    A0_REGNUM = 26,
    A1G_REGNUM = 27,
    A1_REGNUM = 28,
    M0_REGNUM = 29,
    M1_REGNUM = 30,
    X0_REGNUM = 31,
    X1_REGNUM = 32,
    Y0_REGNUM = 33,
    Y1_REGNUM = 34,
    MOD_REGNUM = 40,
    RS_REGNUM = 43,
    RE_REGNUM = 44,
    DSP_R0_BANK_REGNUM = 51,
    DSP_R7_BANK_REGNUM = 58,
    /* sh2a register */
    R0_BANK0_REGNUM = 43,
    MACHB_REGNUM = 58,
    IVNB_REGNUM = 59,
    PRB_REGNUM = 60,
    GBRB_REGNUM = 61,
    MACLB_REGNUM = 62,
    BANK_REGNUM = 63,
    IBCR_REGNUM = 64,
    IBNR_REGNUM = 65,
    TBR_REGNUM = 66,
    PSEUDO_BANK_REGNUM = 67,
    /* Floating point pseudo registers */
    DR0_REGNUM = 68,
    DR_LAST_REGNUM = 75,
    FV0_REGNUM = 76,
    FV_LAST_REGNUM = 79
  };

extern gdbarch_init_ftype sh64_gdbarch_init;
extern void sh64_show_regs (struct frame_info *);

/* This structure describes a register in a core-file.  */
struct sh_corefile_regmap
{
  int regnum;
  unsigned int offset;
};

struct gdbarch_tdep
{
  /* Non-NULL when debugging from a core file.  Provides the offset
     where each general-purpose register is stored inside the associated
     core file section.  */
  struct sh_corefile_regmap *core_gregmap;
  /* Non-NULL when debugging from a core file and when FP registers are
     available.  Provides the offset where each FP register is stored
     inside the associated core file section.  */
  struct sh_corefile_regmap *core_fpregmap;
};

extern struct regset sh_corefile_gregset;

void sh_corefile_supply_regset (const struct regset *regset,
				struct regcache *regcache,
				int regnum, const void *regs, size_t len);
void sh_corefile_collect_regset (const struct regset *regset,
				 const struct regcache *regcache,
				 int regnum, void *regs, size_t len);
#endif /* SH_TDEP_H */