1 // Copyright 2013 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 #include <stdlib.h> 29 30 #include "src/v8.h" 31 32 #include "src/macro-assembler.h" 33 #include "src/factory.h" 34 #include "src/platform.h" 35 #include "src/serialize.h" 36 #include "test/cctest/cctest.h" 37 38 using namespace v8::internal; 39 40 #if __GNUC__ 41 #define STDCALL __attribute__((stdcall)) 42 #else 43 #define STDCALL __stdcall 44 #endif 45 46 typedef int STDCALL F0Type(); 47 typedef F0Type* F0; 48 49 #define __ masm-> 50 51 52 TEST(LoadAndStoreWithRepresentation) { 53 v8::internal::V8::Initialize(NULL); 54 55 // Allocate an executable page of memory. 56 size_t actual_size; 57 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, 58 &actual_size, 59 true)); 60 CHECK(buffer); 61 Isolate* isolate = CcTest::i_isolate(); 62 HandleScope handles(isolate); 63 MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size)); 64 MacroAssembler* masm = &assembler; // Create a pointer for the __ macro. 65 __ push(ebx); 66 __ push(edx); 67 __ sub(esp, Immediate(1 * kPointerSize)); 68 Label exit; 69 70 // Test 1. 71 __ mov(eax, Immediate(1)); // Test number. 72 __ mov(Operand(esp, 0 * kPointerSize), Immediate(0)); 73 __ mov(ebx, Immediate(-1)); 74 __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger8()); 75 __ mov(ebx, Operand(esp, 0 * kPointerSize)); 76 __ mov(edx, Immediate(255)); 77 __ cmp(ebx, edx); 78 __ j(not_equal, &exit); 79 __ Load(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger8()); 80 __ cmp(ebx, edx); 81 __ j(not_equal, &exit); 82 83 84 // Test 2. 85 __ mov(eax, Immediate(2)); // Test number. 86 __ mov(Operand(esp, 0 * kPointerSize), Immediate(0)); 87 __ mov(ebx, Immediate(-1)); 88 __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer8()); 89 __ mov(ebx, Operand(esp, 0 * kPointerSize)); 90 __ mov(edx, Immediate(255)); 91 __ cmp(ebx, edx); 92 __ j(not_equal, &exit); 93 __ Load(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer8()); 94 __ mov(edx, Immediate(-1)); 95 __ cmp(ebx, edx); 96 __ j(not_equal, &exit); 97 98 // Test 3. 99 __ mov(eax, Immediate(3)); // Test number. 100 __ mov(Operand(esp, 0 * kPointerSize), Immediate(0)); 101 __ mov(ebx, Immediate(-1)); 102 __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer16()); 103 __ mov(ebx, Operand(esp, 0 * kPointerSize)); 104 __ mov(edx, Immediate(65535)); 105 __ cmp(ebx, edx); 106 __ j(not_equal, &exit); 107 __ Load(edx, Operand(esp, 0 * kPointerSize), Representation::Integer16()); 108 __ mov(ebx, Immediate(-1)); 109 __ cmp(ebx, edx); 110 __ j(not_equal, &exit); 111 112 // Test 4. 113 __ mov(eax, Immediate(4)); // Test number. 114 __ mov(Operand(esp, 0 * kPointerSize), Immediate(0)); 115 __ mov(ebx, Immediate(-1)); 116 __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger16()); 117 __ mov(ebx, Operand(esp, 0 * kPointerSize)); 118 __ mov(edx, Immediate(65535)); 119 __ cmp(ebx, edx); 120 __ j(not_equal, &exit); 121 __ Load(edx, Operand(esp, 0 * kPointerSize), Representation::UInteger16()); 122 __ cmp(ebx, edx); 123 __ j(not_equal, &exit); 124 125 // Test 5. 126 __ mov(eax, Immediate(5)); 127 __ Move(edx, Immediate(0)); // Test Move() 128 __ cmp(edx, Immediate(0)); 129 __ j(not_equal, &exit); 130 __ Move(ecx, Immediate(-1)); 131 __ cmp(ecx, Immediate(-1)); 132 __ j(not_equal, &exit); 133 __ Move(ebx, Immediate(0x77)); 134 __ cmp(ebx, Immediate(0x77)); 135 __ j(not_equal, &exit); 136 137 __ xor_(eax, eax); // Success. 138 __ bind(&exit); 139 __ add(esp, Immediate(1 * kPointerSize)); 140 __ pop(edx); 141 __ pop(ebx); 142 __ ret(0); 143 144 CodeDesc desc; 145 masm->GetCode(&desc); 146 // Call the function from C++. 147 int result = FUNCTION_CAST<F0>(buffer)(); 148 CHECK_EQ(0, result); 149 } 150 151 #undef __ 152
