1 // Copyright 2010 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 #ifndef V8_V8_TEST_H_ 29 #define V8_V8_TEST_H_ 30 31 #include "v8.h" 32 33 #ifdef _WIN32 34 // Setup for Windows DLL export/import. See v8.h in this directory for 35 // information on how to build/use V8 as a DLL. 36 #if defined(BUILDING_V8_SHARED) && defined(USING_V8_SHARED) 37 #error both BUILDING_V8_SHARED and USING_V8_SHARED are set - please check the\ 38 build configuration to ensure that at most one of these is set 39 #endif 40 41 #ifdef BUILDING_V8_SHARED 42 #define V8EXPORT __declspec(dllexport) 43 #elif USING_V8_SHARED 44 #define V8EXPORT __declspec(dllimport) 45 #else 46 #define V8EXPORT 47 #endif 48 49 #else // _WIN32 50 51 // Setup for Linux shared library export. See v8.h in this directory for 52 // information on how to build/use V8 as shared library. 53 #if defined(__GNUC__) && (__GNUC__ >= 4) && defined(V8_SHARED) 54 #define V8EXPORT __attribute__ ((visibility("default"))) 55 #else // defined(__GNUC__) && (__GNUC__ >= 4) 56 #define V8EXPORT 57 #endif // defined(__GNUC__) && (__GNUC__ >= 4) 58 59 #endif // _WIN32 60 61 62 /** 63 * Testing support for the V8 JavaScript engine. 64 */ 65 namespace v8 { 66 67 class V8EXPORT Testing { 68 public: 69 enum StressType { 70 kStressTypeOpt, 71 kStressTypeDeopt 72 }; 73 74 /** 75 * Set the type of stressing to do. The default if not set is kStressTypeOpt. 76 */ 77 static void SetStressRunType(StressType type); 78 79 /** 80 * Get the number of runs of a given test that is required to get the full 81 * stress coverage. 82 */ 83 static int GetStressRuns(); 84 85 /** 86 * Indicate the number of the run which is about to start. The value of run 87 * should be between 0 and one less than the result from GetStressRuns() 88 */ 89 static void PrepareStressRun(int run); 90 91 /** 92 * Force deoptimization of all functions. 93 */ 94 static void DeoptimizeAll(); 95 }; 96 97 98 } // namespace v8 99 100 101 #undef V8EXPORT 102 103 104 #endif // V8_V8_TEST_H_ 105