| |
| /*--------------------------------------------------------------------*/ |
| /*--- The translation table and cache. ---*/ |
| /*--- pub_core_transtab.h ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2000-2010 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 ---*/ |
| /*--------------------------------------------------------------------*/ |