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/* Target-dependent code for GDB, the GNU debugger.

   Copyright 2000

   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.  */

#ifndef PPC_TDEP_H

#define PPC_TDEP_H

#include "osabi.h"

struct frame_info;

struct value;

/* From ppc-linux-tdep.c... */

CORE_ADDR ppc_linux_frame_saved_pc (struct frame_info *fi);

void ppc_linux_init_extra_frame_info (int fromleaf, struct frame_info *);

int ppc_linux_frameless_function_invocation (struct frame_info *);

void ppc_linux_frame_init_saved_regs (struct frame_info *);

CORE_ADDR ppc_linux_frame_chain (struct frame_info *);

int ppc_sysv_abi_use_struct_convention (int, struct type *);

int ppc_sysv_abi_broken_use_struct_convention (int, struct type *);

CORE_ADDR ppc_sysv_abi_push_arguments (int, struct value **, CORE_ADDR, int,

                                       CORE_ADDR);

int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache);

struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void);

void ppc_linux_supply_gregset (char *buf);

void ppc_linux_supply_fpregset (char *buf);

/* From rs6000-tdep.c... */

CORE_ADDR rs6000_frame_saved_pc (struct frame_info *fi);

void rs6000_init_extra_frame_info (int fromleaf, struct frame_info *);

int rs6000_frameless_function_invocation (struct frame_info *);

void rs6000_frame_init_saved_regs (struct frame_info *);

CORE_ADDR rs6000_frame_chain (struct frame_info *);

int altivec_register_p (int regno);

/* Private data that this module attaches to struct gdbarch. */

struct gdbarch_tdep

  {

    int wordsize;              /* size in bytes of fixed-point word */

    enum gdb_osabi osabi;      /* OS / ABI from ELF header */

    int *regoff;               /* byte offsets in register arrays */

    const struct reg *regs;    /* from current variant */

    int ppc_gp0_regnum;         /* GPR register 0 */

    int ppc_gplast_regnum;      /* GPR register 31 */

    int ppc_toc_regnum;         /* TOC register */

    int ppc_ps_regnum;          /* Processor (or machine) status (%msr) */

    int ppc_cr_regnum;          /* Condition register */

    int ppc_lr_regnum;          /* Link register */

    int ppc_ctr_regnum;         /* Count register */

    int ppc_xer_regnum;         /* Integer exception register */

    int ppc_fpscr_regnum;       /* Floating point status and condition

                                   register */

    int ppc_mq_regnum;          /* Multiply/Divide extension register */

    int ppc_vr0_regnum;         /* First AltiVec register */

    int ppc_vrsave_regnum;      /* Last AltiVec register */

    int ppc_ev0_regnum;         /* First ev register */

    int ppc_ev31_regnum;        /* Last ev register */

    int lr_frame_offset;        /* Offset to ABI specific location where

                                   link register is saved.  */

};

#endif