include/x86/tool_arch.h

/*--------------------------------------------------------------------*/
/*---                                              x86/tool_arch.h ---*/
/*--------------------------------------------------------------------*/

/*
   This file is part of Valgrind, an extensible x86 protected-mode
   emulator for monitoring program execution on x86-Unixes.

   Copyright (C) 2000-2004 Nicholas Nethercote
      njn25@cam.ac.uk

   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.

   The GNU General Public License is contained in the file COPYING.
*/

#ifndef __X86_TOOL_ARCH_H
#define __X86_TOOL_ARCH_H

// XXX: eventually a lot of the stuff in this file can be made private to
// the x86/ subdir, and not visible to the core.  But as long as the core
// still refers to them, they'll have to stay in here.

/*====================================================================*/
/*=== Registers, etc                                               ===*/
/*====================================================================*/

#define REGPARM(n)      __attribute__((regparm(n)))

#define FIRST_ARCH_REG  R_EAX
#define LAST_ARCH_REG   R_EDI

#define N_ARCH_REGS        8

#define MIN_INSTR_SIZE     1
#define MAX_INSTR_SIZE    16


/*====================================================================*/
/*=== Instrumenting UCode                                          ===*/
/*====================================================================*/

/* ------------------------------------------------------------------ */
/* Offsets of addresses of helper functions.  A "helper" function is one
   which is called from generated code via CALLM. */

// XXX: eventually these should be private to the x86 part, not visible to
// tools, and the IR should provide a better way than this to see what the
// original instruction was.

extern Int VGOFF_(helper_idiv_64_32);
extern Int VGOFF_(helper_div_64_32);
extern Int VGOFF_(helper_idiv_32_16);
extern Int VGOFF_(helper_div_32_16);
extern Int VGOFF_(helper_idiv_16_8);
extern Int VGOFF_(helper_div_16_8);

extern Int VGOFF_(helper_imul_32_64);
extern Int VGOFF_(helper_mul_32_64);
extern Int VGOFF_(helper_imul_16_32);
extern Int VGOFF_(helper_mul_16_32);
extern Int VGOFF_(helper_imul_8_16);
extern Int VGOFF_(helper_mul_8_16);

extern Int VGOFF_(helper_CLD);
extern Int VGOFF_(helper_STD);
extern Int VGOFF_(helper_get_dirflag);

extern Int VGOFF_(helper_CLC);
extern Int VGOFF_(helper_STC);
extern Int VGOFF_(helper_CMC);

extern Int VGOFF_(helper_shldl);
extern Int VGOFF_(helper_shldw);
extern Int VGOFF_(helper_shrdl);
extern Int VGOFF_(helper_shrdw);

extern Int VGOFF_(helper_RDTSC);
extern Int VGOFF_(helper_CPUID);

extern Int VGOFF_(helper_IN);
extern Int VGOFF_(helper_OUT);

extern Int VGOFF_(helper_bsfw);
extern Int VGOFF_(helper_bsfl);
extern Int VGOFF_(helper_bsrw);
extern Int VGOFF_(helper_bsrl);

extern Int VGOFF_(helper_fstsw_AX);
extern Int VGOFF_(helper_SAHF);
extern Int VGOFF_(helper_LAHF);
extern Int VGOFF_(helper_DAS);
extern Int VGOFF_(helper_DAA);
extern Int VGOFF_(helper_AAS);
extern Int VGOFF_(helper_AAA);
extern Int VGOFF_(helper_AAD);
extern Int VGOFF_(helper_AAM);

extern Int VGOFF_(helper_cmpxchg8b);


#endif   // __X86_TOOL_ARCH_H

/*--------------------------------------------------------------------*/
/*--- end                                                          ---*/
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