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/*--------------------------------------------------------------------*/
/*--- A header file for all parts of the MemCheck tool. ---*/
/*--- mc_include.h ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of MemCheck, a heavyweight Valgrind tool for
detecting memory errors.
Copyright (C) 2000-2004 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.
*/
/* Note: this header should contain declarations that are for use by
Memcheck only -- declarations shared with Addrcheck go in mac_shared.h.
*/
#ifndef __MC_INCLUDE_H
#define __MC_INCLUDE_H
#include "mac_shared.h"
#include "mc_constants.h"
/*------------------------------------------------------------*/
/*--- Types ---*/
/*------------------------------------------------------------*/
/* UCode extension for efficient memory checking operations */
typedef
enum {
/* uinstrs which are not needed for mere translation of x86 code,
only for instrumentation of it. */
LOADV = DUMMY_FINAL_UOPCODE + 1,
STOREV,
GETV,
PUTV,
TESTV,
SETV,
/* Get/set the v-bit (and it is only one bit) for the simulated
%eflags register. */
GETVF,
PUTVF,
/* Do a unary or binary tag op. Only for post-instrumented
code. For TAG1, first and only arg is a TempReg, and is both
arg and result reg. For TAG2, first arg is src, second is
dst, in the normal way; both are TempRegs. In both cases,
3rd arg is a RiCHelper with a Lit16 tag. This indicates
which tag op to do. */
TAG1,
TAG2
}
MemCheckOpcode;
/* Lists the names of value-tag operations used in instrumented
code. These are the third argument to TAG1 and TAG2 uinsns. */
typedef
enum {
/* Unary. */
Tag_PCast40, Tag_PCast20, Tag_PCast10,
Tag_PCast01, Tag_PCast02, Tag_PCast04,
Tag_PCast14, Tag_PCast12, Tag_PCast11,
Tag_Left4, Tag_Left2, Tag_Left1,
Tag_SWiden14, Tag_SWiden24, Tag_SWiden12,
Tag_ZWiden14, Tag_ZWiden24, Tag_ZWiden12,
/* Binary; 1st is rd; 2nd is rd+wr */
Tag_UifU4, Tag_UifU2, Tag_UifU1, Tag_UifU0,
Tag_DifD4, Tag_DifD2, Tag_DifD1,
Tag_ImproveAND4_TQ, Tag_ImproveAND2_TQ, Tag_ImproveAND1_TQ,
Tag_ImproveOR4_TQ, Tag_ImproveOR2_TQ, Tag_ImproveOR1_TQ,
Tag_DebugFn
}
TagOp;
/*------------------------------------------------------------*/
/*--- Command line options ---*/
/*------------------------------------------------------------*/
/* DEBUG: clean up instrumented code? default: YES */
extern Bool MC_(clo_cleanup);
/* When instrumenting, omit some checks if tell-tale literals for
inlined strlen() are visible in the basic block. default: YES */
extern Bool MC_(clo_avoid_strlen_errors);
/*------------------------------------------------------------*/
/*--- Functions ---*/
/*------------------------------------------------------------*/
/* Functions defined in mc_helpers.S */
extern void MC_(helper_value_check4_fail) ( void );
extern void MC_(helper_value_check2_fail) ( void );
extern void MC_(helper_value_check1_fail) ( void );
extern void MC_(helper_value_check0_fail) ( void );
/* Functions defined in mc_main.c */
extern __attribute__ ((regparm(2))) void MC_(helperc_STOREV4) ( Addr, UInt );
extern __attribute__ ((regparm(2))) void MC_(helperc_STOREV2) ( Addr, UInt );
extern __attribute__ ((regparm(2))) void MC_(helperc_STOREV1) ( Addr, UInt );
extern __attribute__ ((regparm(1))) UInt MC_(helperc_LOADV1) ( Addr );
extern __attribute__ ((regparm(1))) UInt MC_(helperc_LOADV2) ( Addr );
extern __attribute__ ((regparm(1))) UInt MC_(helperc_LOADV4) ( Addr );
extern __attribute__ ((regparm(2))) void MC_(fpu_write_check) ( Addr addr, Int size );
extern __attribute__ ((regparm(2))) void MC_(fpu_read_check) ( Addr addr, Int size );
/* For client requests */
extern void MC_(make_noaccess) ( Addr a, UInt len );
extern void MC_(make_readable) ( Addr a, UInt len );
extern void MC_(make_writable) ( Addr a, UInt len );
extern Bool MC_(check_writable) ( Addr a, UInt len, Addr* bad_addr );
extern Bool MC_(check_readable) ( Addr a, UInt len, Addr* bad_addr );
extern void MC_(detect_memory_leaks) ( void );
extern Int MC_(get_or_set_vbits_for_client) (
ThreadId tid,
Addr dataV,
Addr vbitsV,
UInt size,
Bool setting /* True <=> set vbits, False <=> get vbits */
);
/* Functions defined in mc_clientreqs.c */
extern Bool MC_(client_perm_maybe_describe)( Addr a, AddrInfo* ai );
extern void MC_(show_client_block_stats) ( void );
/* Functions defined in mc_errcontext.c */
extern void MC_(record_value_error) ( ThreadId tid, Int size );
extern void MC_(record_user_error) ( ThreadId tid, Addr a, Bool isWrite );
#endif
/*--------------------------------------------------------------------*/
/*--- end mc_include.h ---*/
/*--------------------------------------------------------------------*/