mirror of
https://github.com/Zenithsiz/ftmemsim-valgrind.git
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b519f73307
(/system/bin/ls, /system/bin/date) run. Still to do: * enable more malloc/free intercepts * enable wrappers for ashmem and binder syscalls * check to see if any special ioctl support is required for ARM Mali GPUs git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14690
137 lines
4.8 KiB
C
137 lines
4.8 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- The translation table and cache. ---*/
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/*--- pub_core_transtab.h ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2000-2013 Julian Seward
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jseward@acm.org
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307, USA.
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The GNU General Public License is contained in the file COPYING.
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*/
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#ifndef __PUB_CORE_TRANSTAB_H
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#define __PUB_CORE_TRANSTAB_H
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//--------------------------------------------------------------------
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// PURPOSE: This module is responsible for caching translations, and
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// enabling fast look-ups of them.
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//--------------------------------------------------------------------
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#include "pub_core_transtab_asm.h"
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#include "libvex.h" // VexGuestExtents
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/* The fast-cache for tt-lookup. Unused entries are denoted by .guest
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== 1, which is assumed to be a bogus address for all guest code. */
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typedef
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struct {
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Addr guest;
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Addr host;
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}
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FastCacheEntry;
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extern __attribute__((aligned(16)))
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FastCacheEntry VG_(tt_fast) [VG_TT_FAST_SIZE];
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#define TRANSTAB_BOGUS_GUEST_ADDR ((Addr)1)
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/* Initialises the TC, using VG_(clo_num_transtab_sectors).
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VG_(clo_num_transtab_sectors) must be >= MIN_N_SECTORS
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and <= MAX_N_SECTORS. */
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extern void VG_(init_tt_tc) ( void );
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/* Limits for number of sectors the TC is divided into. If you need a larger
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overall translation cache, increase MAX_N_SECTORS. */
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#define MIN_N_SECTORS 2
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#define MAX_N_SECTORS 24
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/* Default for the nr of sectors, if not overriden by command line.
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On Android, space is limited, so try to get by with fewer sectors.
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On other platforms we can go to town. 16 sectors gives theoretical
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capacity of about 440MB of JITted code in 1.05 million translations
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(realistically, about 2/3 of that) for Memcheck. */
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#if defined(VGPV_arm_linux_android) \
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|| defined(VGPV_x86_linux_android) \
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|| defined(VGPV_mips32_linux_android) \
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|| defined(VGPV_arm64_linux_android)
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# define N_SECTORS_DEFAULT 6
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#else
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# define N_SECTORS_DEFAULT 16
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#endif
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extern
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void VG_(add_to_transtab)( const VexGuestExtents* vge,
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Addr64 entry,
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AddrH code,
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UInt code_len,
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Bool is_self_checking,
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Int offs_profInc,
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UInt n_guest_instrs );
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extern
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void VG_(tt_tc_do_chaining) ( void* from__patch_addr,
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UInt to_sNo,
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UInt to_tteNo,
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Bool to_fastEP );
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extern Bool VG_(search_transtab) ( /*OUT*/AddrH* res_hcode,
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/*OUT*/UInt* res_sNo,
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/*OUT*/UInt* res_tteNo,
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Addr64 guest_addr,
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Bool upd_cache );
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extern void VG_(discard_translations) ( Addr64 start, ULong range,
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const HChar* who );
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extern void VG_(print_tt_tc_stats) ( void );
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extern UInt VG_(get_bbs_translated) ( void );
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/* Add to / search the auxiliary, small, unredirected translation
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table. */
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extern
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void VG_(add_to_unredir_transtab)( const VexGuestExtents* vge,
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Addr64 entry,
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AddrH code,
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UInt code_len );
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extern
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Bool VG_(search_unredir_transtab) ( /*OUT*/AddrH* result,
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Addr64 guest_addr );
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// SB profiling stuff
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typedef struct _SBProfEntry {
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Addr64 addr;
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ULong score;
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} SBProfEntry;
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extern ULong VG_(get_SB_profile) ( SBProfEntry tops[], UInt n_tops );
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#endif // __PUB_CORE_TRANSTAB_H
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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