/* -*- mode: C; c-basic-offset: 3; indent-tabs-mode: nil; -*- */
/*
This file is part of drd, a thread error detector.
Copyright (C) 2006-2011 Bart Van Assche <bvanassche@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.
*/
/*
* A bitmap is a data structure that contains information about which
* addresses have been accessed for reading or writing within a given
* segment.
*/
#ifndef __PUB_DRD_BITMAP_H
#define __PUB_DRD_BITMAP_H
#include "drd_basics.h" /* DRD_() */
#include "pub_tool_basics.h" /* Addr, SizeT */
#include "pub_tool_oset.h" /* struct _OSet */
/* Defines. */
#define LHS_R (1<<0)
#define LHS_W (1<<1)
#define RHS_R (1<<2)
#define RHS_W (1<<3)
#define HAS_RACE(a) ((((a) & RHS_W) && ((a) & (LHS_R | LHS_W))) \
|| (((a) & LHS_W) && ((a) & (RHS_R | RHS_W))))
/* Forward declarations. */
struct bitmap;
/* Datatype definitions. */
typedef enum { eLoad, eStore, eStart, eEnd } BmAccessTypeT;
struct bm_cache_elem
{
Addr a1;
struct bitmap2* bm2;
};
#define DRD_BITMAP_N_CACHE_ELEM 4
/* Complete bitmap. */
struct bitmap
{
struct bm_cache_elem cache[DRD_BITMAP_N_CACHE_ELEM];
OSet* oset;
};
/* Function declarations. */
struct bitmap* DRD_(bm_new)(void);
void DRD_(bm_delete)(struct bitmap* const bm);
void DRD_(bm_init)(struct bitmap* const bm);
void DRD_(bm_cleanup)(struct bitmap* const bm);
void DRD_(bm_access_range)(struct bitmap* const bm,
const Addr a1, const Addr a2,
const BmAccessTypeT access_type);
void DRD_(bm_access_range_load)(struct bitmap* const bm,
const Addr a1, const Addr a2);
void DRD_(bm_access_load_1)(struct bitmap* const bm, const Addr a1);
void DRD_(bm_access_load_2)(struct bitmap* const bm, const Addr a1);
void DRD_(bm_access_load_4)(struct bitmap* const bm, const Addr a1);
void DRD_(bm_access_load_8)(struct bitmap* const bm, const Addr a1);
void DRD_(bm_access_range_store)(struct bitmap* const bm,
const Addr a1, const Addr a2);
void DRD_(bm_access_store_1)(struct bitmap* const bm, const Addr a1);
void DRD_(bm_access_store_2)(struct bitmap* const bm, const Addr a1);
void DRD_(bm_access_store_4)(struct bitmap* const bm, const Addr a1);
void DRD_(bm_access_store_8)(struct bitmap* const bm, const Addr a1);
Bool DRD_(bm_has)(struct bitmap* const bm,
const Addr a1, const Addr a2,
const BmAccessTypeT access_type);
Bool DRD_(bm_has_any_load)(struct bitmap* const bm,
const Addr a1, const Addr a2);
Bool DRD_(bm_has_any_store)(struct bitmap* const bm,
const Addr a1, const Addr a2);
Bool DRD_(bm_has_any_access)(struct bitmap* const bm,
const Addr a1, const Addr a2);
Bool DRD_(bm_has_1)(struct bitmap* const bm,
const Addr address, const BmAccessTypeT access_type);
void DRD_(bm_clear)(struct bitmap* const bm,
const Addr a1, const Addr a2);
void DRD_(bm_clear_load)(struct bitmap* const bm,
const Addr a1, const Addr a2);
void DRD_(bm_clear_store)(struct bitmap* const bm,
const Addr a1, const Addr a2);
Bool DRD_(bm_test_and_clear)(struct bitmap* const bm,
const Addr a1, const Addr a2);
Bool DRD_(bm_has_conflict_with)(struct bitmap* const bm,
const Addr a1, const Addr a2,
const BmAccessTypeT access_type);
Bool DRD_(bm_load_1_has_conflict_with)(struct bitmap* const bm, const Addr a1);
Bool DRD_(bm_load_2_has_conflict_with)(struct bitmap* const bm, const Addr a1);
Bool DRD_(bm_load_4_has_conflict_with)(struct bitmap* const bm, const Addr a1);
Bool DRD_(bm_load_8_has_conflict_with)(struct bitmap* const bm, const Addr a1);
Bool DRD_(bm_load_has_conflict_with)(struct bitmap* const bm,
const Addr a1, const Addr a2);
Bool DRD_(bm_store_1_has_conflict_with)(struct bitmap* const bm,const Addr a1);
Bool DRD_(bm_store_2_has_conflict_with)(struct bitmap* const bm,const Addr a1);
Bool DRD_(bm_store_4_has_conflict_with)(struct bitmap* const bm,const Addr a1);
Bool DRD_(bm_store_8_has_conflict_with)(struct bitmap* const bm,const Addr a1);
Bool DRD_(bm_store_has_conflict_with)(struct bitmap* const bm,
const Addr a1, const Addr a2);
Bool DRD_(bm_equal)(struct bitmap* const lhs, struct bitmap* const rhs);
void DRD_(bm_swap)(struct bitmap* const bm1, struct bitmap* const bm2);
void DRD_(bm_merge2)(struct bitmap* const lhs, struct bitmap* const rhs);
void DRD_(bm_unmark)(struct bitmap* bm);
Bool DRD_(bm_is_marked)(struct bitmap* bm, const Addr a);
void DRD_(bm_mark)(struct bitmap* bm1, struct bitmap* bm2);
void DRD_(bm_clear_marked)(struct bitmap* bm);
void DRD_(bm_merge2_marked)(struct bitmap* const lhs, struct bitmap* const rhs);
void DRD_(bm_remove_cleared_marked)(struct bitmap* bm);
int DRD_(bm_has_races)(struct bitmap* const bm1,
struct bitmap* const bm2);
void DRD_(bm_report_races)(ThreadId const tid1, ThreadId const tid2,
struct bitmap* const bm1,
struct bitmap* const bm2);
void DRD_(bm_print)(struct bitmap* bm);
ULong DRD_(bm_get_bitmap_creation_count)(void);
ULong DRD_(bm_get_bitmap2_creation_count)(void);
ULong DRD_(bm_get_bitmap2_merge_count)(void);
void* DRD_(bm2_alloc_node)(HChar* const ec, const SizeT szB);
void DRD_(bm2_free_node)(void* const bm2);
#endif /* __PUB_DRD_BITMAP_H */