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/*--------------------------------------------------------------------*/
/*--- The translation table and cache. ---*/
/*--- pub_core_transtab.h ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright (C) 2000-2009 Julian Seward
jseward@acm.org
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 __PUB_CORE_TRANSTAB_H
#define __PUB_CORE_TRANSTAB_H
//--------------------------------------------------------------------
// PURPOSE: This module is responsible for caching translations, and
// enabling fast look-ups of them.
//--------------------------------------------------------------------
#include "pub_core_transtab_asm.h"
/* The fast-cache for tt-lookup, and for finding counters. Unused
entries are denoted by .guest == 1, which is assumed to be a bogus
address for all guest code. */
typedef
struct {
Addr guest;
Addr host;
}
FastCacheEntry;
extern __attribute__((aligned(16)))
FastCacheEntry VG_(tt_fast) [VG_TT_FAST_SIZE];
#define TRANSTAB_BOGUS_GUEST_ADDR ((Addr)1)
extern UInt* VG_(tt_fastN)[VG_TT_FAST_SIZE];
extern void VG_(init_tt_tc) ( void );
extern
void VG_(add_to_transtab)( VexGuestExtents* vge,
Addr64 entry,
AddrH code,
UInt code_len,
Bool is_self_checking );
extern Bool VG_(search_transtab) ( /*OUT*/AddrH* result,
Addr64 guest_addr,
Bool upd_cache );
extern void VG_(discard_translations) ( Addr64 start, ULong range,
HChar* who );
extern void VG_(print_tt_tc_stats) ( void );
extern UInt VG_(get_bbs_translated) ( void );
/* Add to / search the auxiliary, small, unredirected translation
table. */
extern
void VG_(add_to_unredir_transtab)( VexGuestExtents* vge,
Addr64 entry,
AddrH code,
UInt code_len );
extern
Bool VG_(search_unredir_transtab) ( /*OUT*/AddrH* result,
Addr64 guest_addr );
// BB profiling stuff
typedef struct _BBProfEntry {
Addr64 addr;
ULong score;
} BBProfEntry;
extern ULong VG_(get_BB_profile) ( BBProfEntry tops[], UInt n_tops );
#endif // __PUB_CORE_TRANSTAB_H
/*--------------------------------------------------------------------*/
/*--- end ---*/
/*--------------------------------------------------------------------*/
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