1 /* -*- mode: C; c-basic-offset: 3; indent-tabs-mode: nil; -*- */ 2 /* 3 This file is part of drd, a thread error detector. 4 5 Copyright (C) 2006-2011 Bart Van Assche <bvanassche (at) acm.org>. 6 7 This program is free software; you can redistribute it and/or 8 modify it under the terms of the GNU General Public License as 9 published by the Free Software Foundation; either version 2 of the 10 License, or (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 20 02111-1307, USA. 21 22 The GNU General Public License is contained in the file COPYING. 23 */ 24 25 26 /* 27 * A bitmap is a data structure that contains information about which 28 * addresses have been accessed for reading or writing within a given 29 * segment. 30 */ 31 32 33 #ifndef __PUB_DRD_BITMAP_H 34 #define __PUB_DRD_BITMAP_H 35 36 37 #include "drd_basics.h" /* DRD_() */ 38 #include "pub_tool_basics.h" /* Addr, SizeT */ 39 #include "pub_tool_oset.h" /* struct _OSet */ 40 41 42 /* Defines. */ 43 44 #define LHS_R (1<<0) 45 #define LHS_W (1<<1) 46 #define RHS_R (1<<2) 47 #define RHS_W (1<<3) 48 #define HAS_RACE(a) ((((a) & RHS_W) && ((a) & (LHS_R | LHS_W))) \ 49 || (((a) & LHS_W) && ((a) & (RHS_R | RHS_W)))) 50 51 52 /* Forward declarations. */ 53 54 struct bitmap; 55 56 57 /* Datatype definitions. */ 58 59 typedef enum { eLoad, eStore, eStart, eEnd } BmAccessTypeT; 60 61 struct bm_cache_elem 62 { 63 Addr a1; 64 struct bitmap2* bm2; 65 }; 66 67 #define DRD_BITMAP_N_CACHE_ELEM 4 68 69 /* Complete bitmap. */ 70 struct bitmap 71 { 72 struct bm_cache_elem cache[DRD_BITMAP_N_CACHE_ELEM]; 73 OSet* oset; 74 }; 75 76 77 /* Function declarations. */ 78 79 struct bitmap* DRD_(bm_new)(void); 80 void DRD_(bm_delete)(struct bitmap* const bm); 81 void DRD_(bm_init)(struct bitmap* const bm); 82 void DRD_(bm_cleanup)(struct bitmap* const bm); 83 void DRD_(bm_access_range)(struct bitmap* const bm, 84 const Addr a1, const Addr a2, 85 const BmAccessTypeT access_type); 86 void DRD_(bm_access_range_load)(struct bitmap* const bm, 87 const Addr a1, const Addr a2); 88 void DRD_(bm_access_load_1)(struct bitmap* const bm, const Addr a1); 89 void DRD_(bm_access_load_2)(struct bitmap* const bm, const Addr a1); 90 void DRD_(bm_access_load_4)(struct bitmap* const bm, const Addr a1); 91 void DRD_(bm_access_load_8)(struct bitmap* const bm, const Addr a1); 92 void DRD_(bm_access_range_store)(struct bitmap* const bm, 93 const Addr a1, const Addr a2); 94 void DRD_(bm_access_store_1)(struct bitmap* const bm, const Addr a1); 95 void DRD_(bm_access_store_2)(struct bitmap* const bm, const Addr a1); 96 void DRD_(bm_access_store_4)(struct bitmap* const bm, const Addr a1); 97 void DRD_(bm_access_store_8)(struct bitmap* const bm, const Addr a1); 98 Bool DRD_(bm_has)(struct bitmap* const bm, 99 const Addr a1, const Addr a2, 100 const BmAccessTypeT access_type); 101 Bool DRD_(bm_has_any_load)(struct bitmap* const bm, 102 const Addr a1, const Addr a2); 103 Bool DRD_(bm_has_any_store)(struct bitmap* const bm, 104 const Addr a1, const Addr a2); 105 Bool DRD_(bm_has_any_access)(struct bitmap* const bm, 106 const Addr a1, const Addr a2); 107 Bool DRD_(bm_has_1)(struct bitmap* const bm, 108 const Addr address, const BmAccessTypeT access_type); 109 void DRD_(bm_clear)(struct bitmap* const bm, 110 const Addr a1, const Addr a2); 111 void DRD_(bm_clear_load)(struct bitmap* const bm, 112 const Addr a1, const Addr a2); 113 void DRD_(bm_clear_store)(struct bitmap* const bm, 114 const Addr a1, const Addr a2); 115 Bool DRD_(bm_test_and_clear)(struct bitmap* const bm, 116 const Addr a1, const Addr a2); 117 Bool DRD_(bm_has_conflict_with)(struct bitmap* const bm, 118 const Addr a1, const Addr a2, 119 const BmAccessTypeT access_type); 120 Bool DRD_(bm_load_1_has_conflict_with)(struct bitmap* const bm, const Addr a1); 121 Bool DRD_(bm_load_2_has_conflict_with)(struct bitmap* const bm, const Addr a1); 122 Bool DRD_(bm_load_4_has_conflict_with)(struct bitmap* const bm, const Addr a1); 123 Bool DRD_(bm_load_8_has_conflict_with)(struct bitmap* const bm, const Addr a1); 124 Bool DRD_(bm_load_has_conflict_with)(struct bitmap* const bm, 125 const Addr a1, const Addr a2); 126 Bool DRD_(bm_store_1_has_conflict_with)(struct bitmap* const bm,const Addr a1); 127 Bool DRD_(bm_store_2_has_conflict_with)(struct bitmap* const bm,const Addr a1); 128 Bool DRD_(bm_store_4_has_conflict_with)(struct bitmap* const bm,const Addr a1); 129 Bool DRD_(bm_store_8_has_conflict_with)(struct bitmap* const bm,const Addr a1); 130 Bool DRD_(bm_store_has_conflict_with)(struct bitmap* const bm, 131 const Addr a1, const Addr a2); 132 Bool DRD_(bm_equal)(struct bitmap* const lhs, struct bitmap* const rhs); 133 void DRD_(bm_swap)(struct bitmap* const bm1, struct bitmap* const bm2); 134 void DRD_(bm_merge2)(struct bitmap* const lhs, struct bitmap* const rhs); 135 void DRD_(bm_unmark)(struct bitmap* bm); 136 Bool DRD_(bm_is_marked)(struct bitmap* bm, const Addr a); 137 void DRD_(bm_mark)(struct bitmap* bm1, struct bitmap* bm2); 138 void DRD_(bm_clear_marked)(struct bitmap* bm); 139 void DRD_(bm_merge2_marked)(struct bitmap* const lhs, struct bitmap* const rhs); 140 void DRD_(bm_remove_cleared_marked)(struct bitmap* bm); 141 int DRD_(bm_has_races)(struct bitmap* const bm1, 142 struct bitmap* const bm2); 143 void DRD_(bm_report_races)(ThreadId const tid1, ThreadId const tid2, 144 struct bitmap* const bm1, 145 struct bitmap* const bm2); 146 void DRD_(bm_print)(struct bitmap* bm); 147 ULong DRD_(bm_get_bitmap_creation_count)(void); 148 ULong DRD_(bm_get_bitmap2_creation_count)(void); 149 ULong DRD_(bm_get_bitmap2_merge_count)(void); 150 151 void* DRD_(bm2_alloc_node)(HChar* const ec, const SizeT szB); 152 void DRD_(bm2_free_node)(void* const bm2); 153 154 #endif /* __PUB_DRD_BITMAP_H */ 155
