// Copyright 2013 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include <stdlib.h> #include "src/v8.h" #include "test/cctest/cctest.h" #include "src/base/platform/platform.h" #include "src/factory.h" #include "src/macro-assembler.h" using namespace v8::internal; #if __GNUC__ #define STDCALL __attribute__((stdcall)) #else #define STDCALL __stdcall #endif typedef int STDCALL F0Type(); typedef F0Type* F0; #define __ masm-> TEST(LoadAndStoreWithRepresentation) { // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(v8::base::OS::Allocate( Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); Isolate* isolate = CcTest::i_isolate(); HandleScope handles(isolate); MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size), v8::internal::CodeObjectRequired::kYes); MacroAssembler* masm = &assembler; // Create a pointer for the __ macro. __ push(ebx); __ push(edx); __ sub(esp, Immediate(1 * kPointerSize)); Label exit; // Test 1. __ mov(eax, Immediate(1)); // Test number. __ mov(Operand(esp, 0 * kPointerSize), Immediate(0)); __ mov(ebx, Immediate(-1)); __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger8()); __ mov(ebx, Operand(esp, 0 * kPointerSize)); __ mov(edx, Immediate(255)); __ cmp(ebx, edx); __ j(not_equal, &exit); __ Load(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger8()); __ cmp(ebx, edx); __ j(not_equal, &exit); // Test 2. __ mov(eax, Immediate(2)); // Test number. __ mov(Operand(esp, 0 * kPointerSize), Immediate(0)); __ mov(ebx, Immediate(-1)); __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer8()); __ mov(ebx, Operand(esp, 0 * kPointerSize)); __ mov(edx, Immediate(255)); __ cmp(ebx, edx); __ j(not_equal, &exit); __ Load(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer8()); __ mov(edx, Immediate(-1)); __ cmp(ebx, edx); __ j(not_equal, &exit); // Test 3. __ mov(eax, Immediate(3)); // Test number. __ mov(Operand(esp, 0 * kPointerSize), Immediate(0)); __ mov(ebx, Immediate(-1)); __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer16()); __ mov(ebx, Operand(esp, 0 * kPointerSize)); __ mov(edx, Immediate(65535)); __ cmp(ebx, edx); __ j(not_equal, &exit); __ Load(edx, Operand(esp, 0 * kPointerSize), Representation::Integer16()); __ mov(ebx, Immediate(-1)); __ cmp(ebx, edx); __ j(not_equal, &exit); // Test 4. __ mov(eax, Immediate(4)); // Test number. __ mov(Operand(esp, 0 * kPointerSize), Immediate(0)); __ mov(ebx, Immediate(-1)); __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger16()); __ mov(ebx, Operand(esp, 0 * kPointerSize)); __ mov(edx, Immediate(65535)); __ cmp(ebx, edx); __ j(not_equal, &exit); __ Load(edx, Operand(esp, 0 * kPointerSize), Representation::UInteger16()); __ cmp(ebx, edx); __ j(not_equal, &exit); // Test 5. __ mov(eax, Immediate(5)); __ Move(edx, Immediate(0)); // Test Move() __ cmp(edx, Immediate(0)); __ j(not_equal, &exit); __ Move(ecx, Immediate(-1)); __ cmp(ecx, Immediate(-1)); __ j(not_equal, &exit); __ Move(ebx, Immediate(0x77)); __ cmp(ebx, Immediate(0x77)); __ j(not_equal, &exit); __ xor_(eax, eax); // Success. __ bind(&exit); __ add(esp, Immediate(1 * kPointerSize)); __ pop(edx); __ pop(ebx); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } #undef __