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[deliverable/binutils-gdb.git] / gdb / amd64-tdep.h

/* Target-dependent definitions for AMD64.

   Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
   Contributed by Jiri Smid, SuSE Labs.

   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., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.  */

#ifndef AMD64_TDEP_H
#define AMD64_TDEP_H

struct gdbarch;
struct frame_info;
struct regcache;

#include "i386-tdep.h"

/* Register numbers of various important registers.  */

enum amd64_regnum
{
  AMD64_RAX_REGNUM,		/* %rax */
  AMD64_RBX_REGNUM,		/* %rbx */
  AMD64_RCX_REGNUM,		/* %rcx */
  AMD64_RDX_REGNUM,		/* %rdx */
  AMD64_RSI_REGNUM,		/* %rsi */
  AMD64_RDI_REGNUM,		/* %rdi */
  AMD64_RBP_REGNUM,		/* %rbp */
  AMD64_RSP_REGNUM,		/* %rsp */
  AMD64_R8_REGNUM = 8,		/* %r8 */
  AMD64_R15_REGNUM = 15,	/* %r15 */
  AMD64_RIP_REGNUM,		/* %rip */
  AMD64_EFLAGS_REGNUM,		/* %eflags */
  AMD64_CS_REGNUM,		/* %cs */
  AMD64_SS_REGNUM,		/* %ss */
  AMD64_DS_REGNUM,		/* %ds */
  AMD64_ES_REGNUM,		/* %es */
  AMD64_FS_REGNUM,		/* %fs */
  AMD64_GS_REGNUM,		/* %gs */
  AMD64_ST0_REGNUM = 24,	/* %st0 */
  AMD64_FCTRL_REGNUM = AMD64_ST0_REGNUM + 8,
  AMD64_FSTAT_REGNUM = AMD64_ST0_REGNUM + 9,
  AMD64_XMM0_REGNUM = 40,	/* %xmm0 */
  AMD64_XMM1_REGNUM,		/* %xmm1 */
  AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16
};

/* Number of general purpose registers.  */
#define AMD64_NUM_GREGS		24

extern void amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);

/* Functions from amd64-tdep.c which may be needed on architectures
   with extra registers.  */

extern const char *amd64_register_name (int regnum);
extern struct type *amd64_register_type (struct gdbarch *gdbarch, int regnum);

/* Fill register REGNUM in REGCACHE with the appropriate
   floating-point or SSE register value from *FXSAVE.  If REGNUM is
   -1, do this for all registers.  This function masks off any of the
   reserved bits in *FXSAVE.  */

extern void amd64_supply_fxsave (struct regcache *regcache, int regnum,
				 const void *fxsave);

/* Fill register REGNUM (if it is a floating-point or SSE register) in
   *FXSAVE with the value from REGCACHE.  If REGNUM is -1, do this for
   all registers.  This function doesn't touch any of the reserved
   bits in *FXSAVE.  */

extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum,
				  void *fxsave);
\f

/* Variables exported from amd64nbsd-tdep.c.  */
extern int amd64nbsd_r_reg_offset[];

/* Variables exported from amd64obsd-tdep.c.  */
extern int amd64obsd_r_reg_offset[];

/* Variables exported from amd64fbsd-tdep.c.  */
extern CORE_ADDR amd64fbsd_sigtramp_start_addr;
extern CORE_ADDR amd64fbsd_sigtramp_end_addr;
extern int amd64fbsd_sc_reg_offset[];

#endif /* amd64-tdep.h */