1 // Copyright 2013 the V8 project authors. All rights reserved.
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3 // modification, are permitted provided that the following conditions are
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7 // notice, this list of conditions and the following disclaimer.
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31 #include "test/cctest/cctest.h"
33 #include "src/base/platform/platform.h"
34 #include "src/factory.h"
35 #include "src/macro-assembler.h"
36 #include "src/serialize.h"
38 using namespace v8::internal;
41 #define STDCALL __attribute__((stdcall))
43 #define STDCALL __stdcall
46 typedef int STDCALL F0Type();
52 TEST(LoadAndStoreWithRepresentation) {
53 v8::internal::V8::Initialize(NULL);
55 // Allocate an executable page of memory.
57 byte* buffer = static_cast<byte*>(v8::base::OS::Allocate(
58 Assembler::kMinimalBufferSize, &actual_size, true));
60 Isolate* isolate = CcTest::i_isolate();
61 HandleScope handles(isolate);
62 MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
63 MacroAssembler* masm = &assembler; // Create a pointer for the __ macro.
66 __ sub(esp, Immediate(1 * kPointerSize));
70 __ mov(eax, Immediate(1)); // Test number.
71 __ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
72 __ mov(ebx, Immediate(-1));
73 __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger8());
74 __ mov(ebx, Operand(esp, 0 * kPointerSize));
75 __ mov(edx, Immediate(255));
77 __ j(not_equal, &exit);
78 __ Load(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger8());
80 __ j(not_equal, &exit);
84 __ mov(eax, Immediate(2)); // Test number.
85 __ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
86 __ mov(ebx, Immediate(-1));
87 __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer8());
88 __ mov(ebx, Operand(esp, 0 * kPointerSize));
89 __ mov(edx, Immediate(255));
91 __ j(not_equal, &exit);
92 __ Load(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer8());
93 __ mov(edx, Immediate(-1));
95 __ j(not_equal, &exit);
98 __ mov(eax, Immediate(3)); // Test number.
99 __ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
100 __ mov(ebx, Immediate(-1));
101 __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer16());
102 __ mov(ebx, Operand(esp, 0 * kPointerSize));
103 __ mov(edx, Immediate(65535));
105 __ j(not_equal, &exit);
106 __ Load(edx, Operand(esp, 0 * kPointerSize), Representation::Integer16());
107 __ mov(ebx, Immediate(-1));
109 __ j(not_equal, &exit);
112 __ mov(eax, Immediate(4)); // Test number.
113 __ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
114 __ mov(ebx, Immediate(-1));
115 __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger16());
116 __ mov(ebx, Operand(esp, 0 * kPointerSize));
117 __ mov(edx, Immediate(65535));
119 __ j(not_equal, &exit);
120 __ Load(edx, Operand(esp, 0 * kPointerSize), Representation::UInteger16());
122 __ j(not_equal, &exit);
125 __ mov(eax, Immediate(5));
126 __ Move(edx, Immediate(0)); // Test Move()
127 __ cmp(edx, Immediate(0));
128 __ j(not_equal, &exit);
129 __ Move(ecx, Immediate(-1));
130 __ cmp(ecx, Immediate(-1));
131 __ j(not_equal, &exit);
132 __ Move(ebx, Immediate(0x77));
133 __ cmp(ebx, Immediate(0x77));
134 __ j(not_equal, &exit);
136 __ xor_(eax, eax); // Success.
138 __ add(esp, Immediate(1 * kPointerSize));
144 masm->GetCode(&desc);
145 // Call the function from C++.
146 int result = FUNCTION_CAST<F0>(buffer)();