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      1 // Copyright 2009 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Load Splay tree and CodeMap implementations from <project root>/tools.
     29 // Files: tools/splaytree.js tools/codemap.js
     30 
     31 
     32 function newCodeEntry(size, name) {
     33   return new CodeMap.CodeEntry(size, name);
     34 };
     35 
     36 
     37 function assertEntry(codeMap, expected_name, addr) {
     38   var entry = codeMap.findEntry(addr);
     39   assertNotNull(entry, 'no entry at ' + addr.toString(16));
     40   assertEquals(expected_name, entry.name, 'at ' + addr.toString(16));
     41 };
     42 
     43 
     44 function assertNoEntry(codeMap, addr) {
     45   assertNull(codeMap.findEntry(addr), 'at ' + addr.toString(16));
     46 };
     47 
     48 
     49 (function testLibrariesAndStaticCode() {
     50   var codeMap = new CodeMap();
     51   codeMap.addLibrary(0x1500, newCodeEntry(0x3000, 'lib1'));
     52   codeMap.addLibrary(0x15500, newCodeEntry(0x5000, 'lib2'));
     53   codeMap.addLibrary(0x155500, newCodeEntry(0x10000, 'lib3'));
     54   assertNoEntry(codeMap, 0);
     55   assertNoEntry(codeMap, 0x1500 - 1);
     56   assertEntry(codeMap, 'lib1', 0x1500);
     57   assertEntry(codeMap, 'lib1', 0x1500 + 0x100);
     58   assertEntry(codeMap, 'lib1', 0x1500 + 0x1000);
     59   assertEntry(codeMap, 'lib1', 0x1500 + 0x3000 - 1);
     60   assertNoEntry(codeMap, 0x1500 + 0x3000);
     61   assertNoEntry(codeMap, 0x15500 - 1);
     62   assertEntry(codeMap, 'lib2', 0x15500);
     63   assertEntry(codeMap, 'lib2', 0x15500 + 0x100);
     64   assertEntry(codeMap, 'lib2', 0x15500 + 0x1000);
     65   assertEntry(codeMap, 'lib2', 0x15500 + 0x5000 - 1);
     66   assertNoEntry(codeMap, 0x15500 + 0x5000);
     67   assertNoEntry(codeMap, 0x155500 - 1);
     68   assertEntry(codeMap, 'lib3', 0x155500);
     69   assertEntry(codeMap, 'lib3', 0x155500 + 0x100);
     70   assertEntry(codeMap, 'lib3', 0x155500 + 0x1000);
     71   assertEntry(codeMap, 'lib3', 0x155500 + 0x10000 - 1);
     72   assertNoEntry(codeMap, 0x155500 + 0x10000);
     73   assertNoEntry(codeMap, 0xFFFFFFFF);
     74 
     75   codeMap.addStaticCode(0x1510, newCodeEntry(0x30, 'lib1-f1'));
     76   codeMap.addStaticCode(0x1600, newCodeEntry(0x50, 'lib1-f2'));
     77   codeMap.addStaticCode(0x15520, newCodeEntry(0x100, 'lib2-f1'));
     78   assertEntry(codeMap, 'lib1', 0x1500);
     79   assertEntry(codeMap, 'lib1', 0x1510 - 1);
     80   assertEntry(codeMap, 'lib1-f1', 0x1510);
     81   assertEntry(codeMap, 'lib1-f1', 0x1510 + 0x15);
     82   assertEntry(codeMap, 'lib1-f1', 0x1510 + 0x30 - 1);
     83   assertEntry(codeMap, 'lib1', 0x1510 + 0x30);
     84   assertEntry(codeMap, 'lib1', 0x1600 - 1);
     85   assertEntry(codeMap, 'lib1-f2', 0x1600);
     86   assertEntry(codeMap, 'lib1-f2', 0x1600 + 0x30);
     87   assertEntry(codeMap, 'lib1-f2', 0x1600 + 0x50 - 1);
     88   assertEntry(codeMap, 'lib1', 0x1600 + 0x50);
     89   assertEntry(codeMap, 'lib2', 0x15500);
     90   assertEntry(codeMap, 'lib2', 0x15520 - 1);
     91   assertEntry(codeMap, 'lib2-f1', 0x15520);
     92   assertEntry(codeMap, 'lib2-f1', 0x15520 + 0x80);
     93   assertEntry(codeMap, 'lib2-f1', 0x15520 + 0x100 - 1);
     94   assertEntry(codeMap, 'lib2', 0x15520 + 0x100);
     95 
     96 })();
     97 
     98 
     99 (function testDynamicCode() {
    100   var codeMap = new CodeMap();
    101   codeMap.addCode(0x1500, newCodeEntry(0x200, 'code1'));
    102   codeMap.addCode(0x1700, newCodeEntry(0x100, 'code2'));
    103   codeMap.addCode(0x1900, newCodeEntry(0x50, 'code3'));
    104   codeMap.addCode(0x1950, newCodeEntry(0x10, 'code4'));
    105   assertNoEntry(codeMap, 0);
    106   assertNoEntry(codeMap, 0x1500 - 1);
    107   assertEntry(codeMap, 'code1', 0x1500);
    108   assertEntry(codeMap, 'code1', 0x1500 + 0x100);
    109   assertEntry(codeMap, 'code1', 0x1500 + 0x200 - 1);
    110   assertEntry(codeMap, 'code2', 0x1700);
    111   assertEntry(codeMap, 'code2', 0x1700 + 0x50);
    112   assertEntry(codeMap, 'code2', 0x1700 + 0x100 - 1);
    113   assertNoEntry(codeMap, 0x1700 + 0x100);
    114   assertNoEntry(codeMap, 0x1900 - 1);
    115   assertEntry(codeMap, 'code3', 0x1900);
    116   assertEntry(codeMap, 'code3', 0x1900 + 0x28);
    117   assertEntry(codeMap, 'code4', 0x1950);
    118   assertEntry(codeMap, 'code4', 0x1950 + 0x7);
    119   assertEntry(codeMap, 'code4', 0x1950 + 0x10 - 1);
    120   assertNoEntry(codeMap, 0x1950 + 0x10);
    121   assertNoEntry(codeMap, 0xFFFFFFFF);
    122 })();
    123 
    124 
    125 (function testCodeMovesAndDeletions() {
    126   var codeMap = new CodeMap();
    127   codeMap.addCode(0x1500, newCodeEntry(0x200, 'code1'));
    128   codeMap.addCode(0x1700, newCodeEntry(0x100, 'code2'));
    129   assertEntry(codeMap, 'code1', 0x1500);
    130   assertEntry(codeMap, 'code2', 0x1700);
    131   codeMap.moveCode(0x1500, 0x1800);
    132   assertNoEntry(codeMap, 0x1500);
    133   assertEntry(codeMap, 'code2', 0x1700);
    134   assertEntry(codeMap, 'code1', 0x1800);
    135   codeMap.deleteCode(0x1700);
    136   assertNoEntry(codeMap, 0x1700);
    137   assertEntry(codeMap, 'code1', 0x1800);
    138 })();
    139 
    140 
    141 (function testDynamicNamesDuplicates() {
    142   var codeMap = new CodeMap();
    143   // Code entries with same names but different addresses.
    144   codeMap.addCode(0x1500, newCodeEntry(0x200, 'code'));
    145   codeMap.addCode(0x1700, newCodeEntry(0x100, 'code'));
    146   assertEntry(codeMap, 'code', 0x1500);
    147   assertEntry(codeMap, 'code {1}', 0x1700);
    148   // Test name stability.
    149   assertEntry(codeMap, 'code', 0x1500);
    150   assertEntry(codeMap, 'code {1}', 0x1700);
    151 })();
    152 
    153 
    154 (function testStaticEntriesExport() {
    155   var codeMap = new CodeMap();
    156   codeMap.addStaticCode(0x1500, newCodeEntry(0x3000, 'lib1'));
    157   codeMap.addStaticCode(0x15500, newCodeEntry(0x5000, 'lib2'));
    158   codeMap.addStaticCode(0x155500, newCodeEntry(0x10000, 'lib3'));
    159   var allStatics = codeMap.getAllStaticEntries();
    160   allStatics = allStatics.map(String);
    161   allStatics.sort();
    162   assertEquals(['lib1: 3000', 'lib2: 5000', 'lib3: 10000'], allStatics);
    163 })();
    164 
    165 
    166 (function testDynamicEntriesExport() {
    167   var codeMap = new CodeMap();
    168   codeMap.addCode(0x1500, newCodeEntry(0x200, 'code1'));
    169   codeMap.addCode(0x1700, newCodeEntry(0x100, 'code2'));
    170   codeMap.addCode(0x1900, newCodeEntry(0x50, 'code3'));
    171   var allDynamics = codeMap.getAllDynamicEntries();
    172   allDynamics = allDynamics.map(String);
    173   allDynamics.sort();
    174   assertEquals(['code1: 200', 'code2: 100', 'code3: 50'], allDynamics);
    175   codeMap.deleteCode(0x1700);
    176   var allDynamics2 = codeMap.getAllDynamicEntries();
    177   allDynamics2 = allDynamics2.map(String);
    178   allDynamics2.sort();
    179   assertEquals(['code1: 200', 'code3: 50'], allDynamics2);
    180   codeMap.deleteCode(0x1500);
    181   var allDynamics3 = codeMap.getAllDynamicEntries();
    182   assertEquals(['code3: 50'], allDynamics3.map(String));
    183 })();
    184