[100f517] | 1 | |
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| 2 | /*! @file CoverageMapBase.cc |
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| 3 | * @brief CoverageMapBase Implementation |
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| 4 | * |
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[fb987e8] | 5 | * This file contains the implementation of the functions |
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[100f517] | 6 | * which provide a base level of functionality of a CoverageMap. |
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| 7 | */ |
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| 8 | |
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| 9 | #include <limits.h> |
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| 10 | #include <stdio.h> |
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| 11 | #include <stdlib.h> |
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| 12 | |
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| 13 | #include "CoverageMapBase.h" |
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| 14 | |
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| 15 | namespace Coverage { |
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| 16 | |
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| 17 | CoverageMapBase::CoverageMapBase( |
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[cb018bc] | 18 | const std::string& exefileName, |
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| 19 | uint32_t low, |
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| 20 | uint32_t high |
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[100f517] | 21 | ) |
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| 22 | { |
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| 23 | uint32_t a; |
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| 24 | AddressRange_t range; |
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| 25 | |
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[cb018bc] | 26 | range.fileName = exefileName; |
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[100f517] | 27 | range.lowAddress = low; |
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| 28 | range.highAddress = high; |
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| 29 | RangeList.push_back( range ); |
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| 30 | |
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| 31 | Size = high - low + 1; |
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| 32 | |
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| 33 | Info = new perAddressInfo_t[ Size ]; |
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| 34 | |
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| 35 | for (a=0; a<Size; a++) { |
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| 36 | |
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| 37 | perAddressInfo_t *i = &Info[ a ]; |
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| 38 | |
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| 39 | i->isStartOfInstruction = false; |
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| 40 | i->wasExecuted = 0; |
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| 41 | i->isBranch = false; |
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| 42 | i->isNop = false; |
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| 43 | i->wasTaken = 0; |
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| 44 | i->wasNotTaken = 0; |
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| 45 | } |
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| 46 | } |
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| 47 | |
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| 48 | CoverageMapBase::~CoverageMapBase() |
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| 49 | { |
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| 50 | if (Info) |
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| 51 | delete Info; |
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| 52 | } |
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[fb987e8] | 53 | |
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[100f517] | 54 | void CoverageMapBase::Add( uint32_t low, uint32_t high ) |
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| 55 | { |
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| 56 | AddressRange_t range; |
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| 57 | |
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| 58 | range.lowAddress = low; |
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| 59 | range.highAddress = high; |
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| 60 | RangeList.push_back( range ); |
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| 61 | } |
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[fb987e8] | 62 | |
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| 63 | bool CoverageMapBase::determineOffset( |
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| 64 | uint32_t address, |
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[100f517] | 65 | uint32_t *offset |
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| 66 | )const |
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| 67 | { |
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| 68 | AddressRange::const_iterator itr; |
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| 69 | |
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| 70 | for ( itr = RangeList.begin(); itr != RangeList.end(); itr++ ) { |
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| 71 | if ((address >= itr->lowAddress) && (address <= itr->highAddress)){ |
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| 72 | *offset = address - itr->lowAddress; |
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| 73 | return true; |
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| 74 | } |
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| 75 | } |
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| 76 | *offset = 0; |
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| 77 | return false; |
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| 78 | } |
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| 79 | |
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| 80 | |
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| 81 | void CoverageMapBase::dump( void ) const { |
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| 82 | |
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| 83 | uint32_t a; |
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| 84 | perAddressInfo_t* entry; |
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| 85 | |
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| 86 | fprintf( stderr, "Coverage Map Contents:\n" ); |
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| 87 | |
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| 88 | /* |
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| 89 | * XXX - Dump is only marking the first Address Range. |
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| 90 | */ |
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| 91 | |
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| 92 | for (a = 0; a < Size; a++) { |
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| 93 | |
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| 94 | entry = &Info[ a ]; |
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| 95 | |
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| 96 | fprintf( |
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| 97 | stderr, |
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| 98 | "0x%x - isStartOfInstruction = %s, wasExecuted = %s\n", |
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| 99 | a + RangeList.front().lowAddress, |
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| 100 | entry->isStartOfInstruction ? "TRUE" : "FALSE", |
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| 101 | entry->wasExecuted ? "TRUE" : "FALSE" |
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| 102 | ); |
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| 103 | fprintf( |
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| 104 | stderr, |
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| 105 | " isBranch = %s, wasTaken = %s, wasNotTaken = %s\n", |
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| 106 | entry->isBranch ? "TRUE" : "FALSE", |
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| 107 | entry->wasTaken ? "TRUE" : "FALSE", |
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| 108 | entry->wasNotTaken ? "TRUE" : "FALSE" |
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| 109 | ); |
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| 110 | } |
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| 111 | } |
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| 112 | |
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| 113 | bool CoverageMapBase::getBeginningOfInstruction( |
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| 114 | uint32_t address, |
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| 115 | uint32_t* beginning |
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| 116 | ) const |
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| 117 | { |
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| 118 | bool status = false; |
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| 119 | uint32_t start; |
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| 120 | AddressRange_t range; |
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| 121 | |
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| 122 | |
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| 123 | status = getRange( address, &range ); |
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| 124 | if ( status != true ) |
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| 125 | return status; |
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| 126 | |
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| 127 | start = address; |
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| 128 | |
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| 129 | while (start >= range.lowAddress ) { |
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| 130 | if (Info[ start - range.lowAddress ].isStartOfInstruction) { |
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| 131 | *beginning = start; |
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| 132 | status = true; |
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| 133 | break; |
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| 134 | } |
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| 135 | else |
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| 136 | start--; |
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| 137 | } |
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| 138 | |
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| 139 | return status; |
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| 140 | } |
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| 141 | |
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| 142 | int32_t CoverageMapBase::getFirstLowAddress() const |
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| 143 | { |
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| 144 | return RangeList.front().lowAddress; |
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| 145 | } |
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| 146 | |
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| 147 | bool CoverageMapBase::getRange( uint32_t address, AddressRange_t *range ) const |
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| 148 | { |
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| 149 | AddressRange::const_iterator itr; |
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| 150 | |
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| 151 | for ( itr = RangeList.begin(); itr != RangeList.end(); itr++ ) { |
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| 152 | if ((address >= itr->lowAddress) && (address <= itr->highAddress)){ |
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| 153 | range->lowAddress = itr->lowAddress; |
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| 154 | range->highAddress = itr->highAddress; |
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| 155 | return true; |
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| 156 | } |
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| 157 | } |
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| 158 | |
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| 159 | range->lowAddress = 0; |
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| 160 | range->highAddress = 0; |
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| 161 | |
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| 162 | return false; |
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| 163 | |
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| 164 | } |
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| 165 | |
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| 166 | uint32_t CoverageMapBase::getSize() const |
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| 167 | { |
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| 168 | return Size; |
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| 169 | } |
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| 170 | |
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| 171 | void CoverageMapBase::setIsStartOfInstruction( |
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| 172 | uint32_t address |
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| 173 | ) |
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| 174 | { |
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| 175 | uint32_t offset; |
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[fb987e8] | 176 | |
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[100f517] | 177 | if (determineOffset( address, &offset ) != true) |
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| 178 | return; |
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| 179 | |
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| 180 | Info[ offset ].isStartOfInstruction = true; |
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| 181 | } |
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| 182 | |
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| 183 | bool CoverageMapBase::isStartOfInstruction( uint32_t address ) const |
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| 184 | { |
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| 185 | uint32_t offset; |
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[fb987e8] | 186 | |
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[100f517] | 187 | if (determineOffset( address, &offset ) != true) |
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| 188 | return false; |
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| 189 | |
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| 190 | return Info[ offset ].isStartOfInstruction; |
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| 191 | } |
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| 192 | |
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| 193 | void CoverageMapBase::setWasExecuted( uint32_t address ) |
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| 194 | { |
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| 195 | uint32_t offset; |
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[fb987e8] | 196 | |
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[100f517] | 197 | if (determineOffset( address, &offset ) != true) |
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| 198 | return; |
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| 199 | |
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| 200 | Info[ offset ].wasExecuted += 1; |
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| 201 | } |
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| 202 | |
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| 203 | void CoverageMapBase::sumWasExecuted( uint32_t address, uint32_t addition) |
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| 204 | { |
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| 205 | uint32_t offset; |
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[fb987e8] | 206 | |
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[100f517] | 207 | if (determineOffset( address, &offset ) != true) |
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| 208 | return; |
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| 209 | |
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| 210 | Info[ offset ].wasExecuted += addition; |
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| 211 | } |
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| 212 | |
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| 213 | bool CoverageMapBase::wasExecuted( uint32_t address ) const |
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| 214 | { |
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| 215 | uint32_t offset; |
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| 216 | bool result; |
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[fb987e8] | 217 | |
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[100f517] | 218 | result = true; |
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| 219 | |
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| 220 | if (determineOffset( address, &offset ) != true) |
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| 221 | result = false; |
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| 222 | |
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| 223 | if (Info[ offset ].wasExecuted <= 0) |
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| 224 | result = false; |
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| 225 | |
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| 226 | return result; |
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| 227 | } |
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| 228 | |
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| 229 | uint32_t CoverageMapBase::getWasExecuted( uint32_t address ) const |
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| 230 | { |
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| 231 | uint32_t offset; |
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| 232 | |
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| 233 | if (determineOffset( address, &offset ) != true) |
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| 234 | return 0; |
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| 235 | |
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[fb987e8] | 236 | return Info[ offset ].wasExecuted; |
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[100f517] | 237 | } |
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| 238 | |
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| 239 | void CoverageMapBase::setIsBranch( |
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| 240 | uint32_t address |
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| 241 | ) |
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| 242 | { |
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| 243 | uint32_t offset; |
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[fb987e8] | 244 | |
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[100f517] | 245 | if (determineOffset( address, &offset ) != true) |
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| 246 | return; |
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| 247 | |
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| 248 | Info[ offset ].isBranch = true; |
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| 249 | } |
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| 250 | |
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| 251 | bool CoverageMapBase::isNop( uint32_t address ) const |
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| 252 | { |
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| 253 | uint32_t offset; |
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[fb987e8] | 254 | |
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[100f517] | 255 | if (determineOffset( address, &offset ) != true) |
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| 256 | return false; |
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| 257 | |
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| 258 | return Info[ offset ].isNop; |
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| 259 | } |
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| 260 | |
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| 261 | void CoverageMapBase::setIsNop( |
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| 262 | uint32_t address |
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| 263 | ) |
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| 264 | { |
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| 265 | uint32_t offset; |
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[fb987e8] | 266 | |
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[100f517] | 267 | if (determineOffset( address, &offset ) != true) |
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| 268 | return; |
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| 269 | |
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| 270 | Info[ offset ].isNop = true; |
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| 271 | } |
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| 272 | |
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| 273 | bool CoverageMapBase::isBranch( uint32_t address ) const |
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| 274 | { |
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| 275 | uint32_t offset; |
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[fb987e8] | 276 | |
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[100f517] | 277 | if (determineOffset( address, &offset ) != true) |
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| 278 | return false; |
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| 279 | |
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| 280 | return Info[ offset ].isBranch; |
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| 281 | } |
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| 282 | |
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| 283 | void CoverageMapBase::setWasTaken( |
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| 284 | uint32_t address |
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| 285 | ) |
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| 286 | { |
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| 287 | uint32_t offset; |
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[fb987e8] | 288 | |
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[100f517] | 289 | if (determineOffset( address, &offset ) != true) |
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| 290 | return; |
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| 291 | |
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| 292 | Info[ offset ].wasTaken += 1; |
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| 293 | } |
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| 294 | |
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| 295 | void CoverageMapBase::setWasNotTaken( |
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| 296 | uint32_t address |
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| 297 | ) |
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| 298 | { |
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| 299 | uint32_t offset; |
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[fb987e8] | 300 | |
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[100f517] | 301 | if (determineOffset( address, &offset ) != true) |
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| 302 | return; |
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| 303 | |
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| 304 | Info[ offset ].wasNotTaken += 1; |
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| 305 | } |
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| 306 | |
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| 307 | bool CoverageMapBase::wasAlwaysTaken( uint32_t address ) const |
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| 308 | { |
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| 309 | uint32_t offset; |
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[fb987e8] | 310 | |
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[100f517] | 311 | if (determineOffset( address, &offset ) != true) |
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| 312 | return false; |
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| 313 | |
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| 314 | return (Info[ offset ].wasTaken && |
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| 315 | !Info[ offset ].wasNotTaken); |
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| 316 | } |
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| 317 | |
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| 318 | bool CoverageMapBase::wasNeverTaken( uint32_t address ) const |
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| 319 | { |
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| 320 | uint32_t offset; |
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[fb987e8] | 321 | |
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[100f517] | 322 | if (determineOffset( address, &offset ) != true) |
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| 323 | return false; |
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| 324 | |
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| 325 | return (!Info[ offset ].wasTaken && |
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| 326 | Info[ offset ].wasNotTaken); |
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| 327 | } |
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| 328 | |
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| 329 | bool CoverageMapBase::wasNotTaken( uint32_t address ) const |
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| 330 | { |
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| 331 | uint32_t offset; |
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| 332 | bool result; |
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| 333 | |
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| 334 | result = true; |
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| 335 | |
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| 336 | if (determineOffset( address, &offset ) != true) |
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| 337 | result = false; |
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| 338 | |
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| 339 | if (Info[ offset ].wasNotTaken <= 0) |
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| 340 | result = false; |
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| 341 | |
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| 342 | return result; |
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| 343 | } |
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| 344 | |
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| 345 | void CoverageMapBase::sumWasNotTaken( uint32_t address, uint32_t addition) |
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| 346 | { |
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| 347 | uint32_t offset; |
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| 348 | |
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| 349 | if (determineOffset( address, &offset ) != true) |
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| 350 | return; |
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| 351 | |
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| 352 | Info[ offset ].wasNotTaken += addition; |
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| 353 | } |
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| 354 | |
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| 355 | uint32_t CoverageMapBase::getWasNotTaken( uint32_t address ) const |
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| 356 | { |
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| 357 | uint32_t offset; |
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| 358 | |
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| 359 | if (determineOffset( address, &offset ) != true) |
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| 360 | return 0; |
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| 361 | |
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| 362 | return Info[ offset ].wasNotTaken; |
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| 363 | } |
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| 364 | |
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| 365 | bool CoverageMapBase::wasTaken( uint32_t address ) const |
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| 366 | { |
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| 367 | uint32_t offset; |
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| 368 | bool result; |
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| 369 | |
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| 370 | result = true; |
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[fb987e8] | 371 | |
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[100f517] | 372 | if (determineOffset( address, &offset ) != true) |
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| 373 | result = false; |
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| 374 | |
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| 375 | if (Info[ offset ].wasTaken <= 0) |
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| 376 | result = false; |
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| 377 | |
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| 378 | return result; |
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| 379 | } |
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| 380 | |
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| 381 | void CoverageMapBase::sumWasTaken( uint32_t address, uint32_t addition) |
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| 382 | { |
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| 383 | uint32_t offset; |
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| 384 | |
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| 385 | if (determineOffset( address, &offset ) != true) |
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| 386 | return; |
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| 387 | |
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| 388 | Info[ offset ].wasTaken += addition; |
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| 389 | } |
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| 390 | |
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| 391 | uint32_t CoverageMapBase::getWasTaken( uint32_t address ) const |
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| 392 | { |
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| 393 | uint32_t offset; |
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| 394 | |
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| 395 | if (determineOffset( address, &offset ) != true) |
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| 396 | return 0; |
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| 397 | |
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| 398 | return Info[ offset ].wasTaken; |
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| 399 | } |
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| 400 | } |
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