gdb/doc/

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

/* Target-dependent definitions for AMD64.

   Copyright (C) 2001, 2003, 2004, 2007, 2008, 2009, 2010
   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 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 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,		/* %r8 */
  AMD64_R9_REGNUM,		/* %r9 */
  AMD64_R10_REGNUM,		/* %r10 */
  AMD64_R11_REGNUM,		/* %r11 */
  AMD64_R12_REGNUM,		/* %r12 */
  AMD64_R13_REGNUM,		/* %r13 */
  AMD64_R14_REGNUM,		/* %r14 */
  AMD64_R15_REGNUM,		/* %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,
  AMD64_YMM0H_REGNUM,		/* %ymm0h */
  AMD64_YMM15H_REGNUM = AMD64_YMM0H_REGNUM + 15
};

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

#define AMD64_NUM_REGS		(AMD64_YMM15H_REGNUM + 1)

extern struct displaced_step_closure *amd64_displaced_step_copy_insn
  (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to,
   struct regcache *regs);
extern void amd64_displaced_step_fixup (struct gdbarch *gdbarch,
					struct displaced_step_closure *closure,
					CORE_ADDR from, CORE_ADDR to,
					struct regcache *regs);

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

/* 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);

/* Similar to amd64_supply_fxsave, but use XSAVE extended state.  */
extern void amd64_supply_xsave (struct regcache *regcache, int regnum,
				const void *xsave);

/* 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);

/* Similar to amd64_collect_fxsave, but but use XSAVE extended state.  */
extern void amd64_collect_xsave (const struct regcache *regcache,
				 int regnum, void *xsave, int gcore);

void amd64_classify (struct type *type, enum amd64_reg_class class[2]);

\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 */