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