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
37 using namespace v8::internal;
38
39 #if __GNUC__
40 #define STDCALL __attribute__((stdcall))
41 #else
42 #define STDCALL __stdcall
43 #endif
44
45 typedef int STDCALL F0Type();
46 typedef F0Type* F0;
47
48 #define __ masm->
49
50
TEST(LoadAndStoreWithRepresentation)51 TEST(LoadAndStoreWithRepresentation) {
52 // Allocate an executable page of memory.
53 size_t actual_size;
54 byte* buffer = static_cast<byte*>(v8::base::OS::Allocate(
55 Assembler::kMinimalBufferSize, &actual_size, true));
56 CHECK(buffer);
57 Isolate* isolate = CcTest::i_isolate();
58 HandleScope handles(isolate);
59 MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size),
60 v8::internal::CodeObjectRequired::kYes);
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)); // Test XMM move immediate.
124 __ Move(xmm0, 0.0);
125 __ Move(xmm1, 0.0);
126 __ ucomisd(xmm0, xmm1);
127 __ j(not_equal, &exit);
128 __ Move(xmm2, 991.01);
129 __ ucomisd(xmm0, xmm2);
130 __ j(equal, &exit);
131 __ Move(xmm0, 991.01);
132 __ ucomisd(xmm0, xmm2);
133 __ j(not_equal, &exit);
134
135 // Test 6.
136 __ mov(eax, Immediate(6));
137 __ Move(edx, Immediate(0)); // Test Move()
138 __ cmp(edx, Immediate(0));
139 __ j(not_equal, &exit);
140 __ Move(ecx, Immediate(-1));
141 __ cmp(ecx, Immediate(-1));
142 __ j(not_equal, &exit);
143 __ Move(ebx, Immediate(0x77));
144 __ cmp(ebx, Immediate(0x77));
145 __ j(not_equal, &exit);
146
147 __ xor_(eax, eax); // Success.
148 __ bind(&exit);
149 __ add(esp, Immediate(1 * kPointerSize));
150 __ pop(edx);
151 __ pop(ebx);
152 __ ret(0);
153
154 CodeDesc desc;
155 masm->GetCode(&desc);
156 // Call the function from C++.
157 int result = FUNCTION_CAST<F0>(buffer)();
158 CHECK_EQ(0, result);
159 }
160
161 #undef __
162