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403 lines
11 KiB
403 lines
11 KiB
// Copyright 2006-2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <stdlib.h>
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#include "v8.h"
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#include "disassembler.h"
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#include "factory.h"
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#include "macro-assembler.h"
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#include "platform.h"
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#include "serialize.h"
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#include "cctest.h"
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using namespace v8::internal;
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typedef int (*F0)();
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typedef int (*F1)(int x);
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typedef int (*F2)(int x, int y);
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static v8::Persistent<v8::Context> env;
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static void InitializeVM() {
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if (env.IsEmpty()) {
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env = v8::Context::New();
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}
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}
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#define __ assm.
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TEST(AssemblerIa320) {
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InitializeVM();
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v8::HandleScope scope;
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v8::internal::byte buffer[256];
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Assembler assm(buffer, sizeof buffer);
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__ mov(eax, Operand(esp, 4));
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__ add(eax, Operand(esp, 8));
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__ ret(0);
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CodeDesc desc;
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assm.GetCode(&desc);
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Object* code = Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value()));
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CHECK(code->IsCode());
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#ifdef DEBUG
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Code::cast(code)->Print();
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#endif
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F2 f = FUNCTION_CAST<F2>(Code::cast(code)->entry());
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int res = f(3, 4);
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::printf("f() = %d\n", res);
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CHECK_EQ(7, res);
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}
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TEST(AssemblerIa321) {
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InitializeVM();
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v8::HandleScope scope;
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v8::internal::byte buffer[256];
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Assembler assm(buffer, sizeof buffer);
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Label L, C;
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__ mov(edx, Operand(esp, 4));
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__ xor_(eax, Operand(eax)); // clear eax
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__ jmp(&C);
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__ bind(&L);
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__ add(eax, Operand(edx));
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__ sub(Operand(edx), Immediate(1));
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__ bind(&C);
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__ test(edx, Operand(edx));
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__ j(not_zero, &L, taken);
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__ ret(0);
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CodeDesc desc;
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assm.GetCode(&desc);
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Object* code = Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value()));
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CHECK(code->IsCode());
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#ifdef DEBUG
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Code::cast(code)->Print();
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#endif
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F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry());
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int res = f(100);
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::printf("f() = %d\n", res);
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CHECK_EQ(5050, res);
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}
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TEST(AssemblerIa322) {
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InitializeVM();
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v8::HandleScope scope;
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v8::internal::byte buffer[256];
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Assembler assm(buffer, sizeof buffer);
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Label L, C;
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__ mov(edx, Operand(esp, 4));
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__ mov(eax, 1);
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__ jmp(&C);
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__ bind(&L);
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__ imul(eax, Operand(edx));
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__ sub(Operand(edx), Immediate(1));
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__ bind(&C);
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__ test(edx, Operand(edx));
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__ j(not_zero, &L, taken);
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__ ret(0);
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// some relocated stuff here, not executed
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__ mov(eax, Factory::true_value());
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__ jmp(NULL, RelocInfo::RUNTIME_ENTRY);
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CodeDesc desc;
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assm.GetCode(&desc);
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Object* code = Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value()));
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CHECK(code->IsCode());
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#ifdef DEBUG
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Code::cast(code)->Print();
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#endif
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F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry());
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int res = f(10);
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::printf("f() = %d\n", res);
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CHECK_EQ(3628800, res);
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}
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typedef int (*F3)(float x);
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TEST(AssemblerIa323) {
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if (!CpuFeatures::IsSupported(SSE2)) return;
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InitializeVM();
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v8::HandleScope scope;
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v8::internal::byte buffer[256];
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Assembler assm(buffer, sizeof buffer);
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CHECK(CpuFeatures::IsSupported(SSE2));
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{ CpuFeatures::Scope fscope(SSE2);
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__ cvttss2si(eax, Operand(esp, 4));
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__ ret(0);
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}
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CodeDesc desc;
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assm.GetCode(&desc);
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Code* code =
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Code::cast(Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value())));
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// don't print the code - our disassembler can't handle cvttss2si
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// instead print bytes
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Disassembler::Dump(stdout,
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code->instruction_start(),
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code->instruction_start() + code->instruction_size());
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F3 f = FUNCTION_CAST<F3>(code->entry());
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int res = f(static_cast<float>(-3.1415));
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::printf("f() = %d\n", res);
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CHECK_EQ(-3, res);
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}
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typedef int (*F4)(double x);
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TEST(AssemblerIa324) {
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if (!CpuFeatures::IsSupported(SSE2)) return;
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InitializeVM();
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v8::HandleScope scope;
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v8::internal::byte buffer[256];
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Assembler assm(buffer, sizeof buffer);
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CHECK(CpuFeatures::IsSupported(SSE2));
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CpuFeatures::Scope fscope(SSE2);
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__ cvttsd2si(eax, Operand(esp, 4));
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__ ret(0);
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CodeDesc desc;
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assm.GetCode(&desc);
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Code* code =
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Code::cast(Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value())));
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// don't print the code - our disassembler can't handle cvttsd2si
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// instead print bytes
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Disassembler::Dump(stdout,
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code->instruction_start(),
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code->instruction_start() + code->instruction_size());
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F4 f = FUNCTION_CAST<F4>(code->entry());
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int res = f(2.718281828);
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::printf("f() = %d\n", res);
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CHECK_EQ(2, res);
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}
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static int baz = 42;
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TEST(AssemblerIa325) {
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InitializeVM();
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v8::HandleScope scope;
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v8::internal::byte buffer[256];
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Assembler assm(buffer, sizeof buffer);
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__ mov(eax, Operand(reinterpret_cast<intptr_t>(&baz), RelocInfo::NONE));
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__ ret(0);
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CodeDesc desc;
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assm.GetCode(&desc);
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Code* code =
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Code::cast(Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value())));
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F0 f = FUNCTION_CAST<F0>(code->entry());
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int res = f();
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CHECK_EQ(42, res);
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}
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typedef double (*F5)(double x, double y);
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TEST(AssemblerIa326) {
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if (!CpuFeatures::IsSupported(SSE2)) return;
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InitializeVM();
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v8::HandleScope scope;
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CHECK(CpuFeatures::IsSupported(SSE2));
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CpuFeatures::Scope fscope(SSE2);
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v8::internal::byte buffer[256];
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Assembler assm(buffer, sizeof buffer);
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__ movdbl(xmm0, Operand(esp, 1 * kPointerSize));
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__ movdbl(xmm1, Operand(esp, 3 * kPointerSize));
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__ addsd(xmm0, xmm1);
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__ mulsd(xmm0, xmm1);
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__ subsd(xmm0, xmm1);
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__ divsd(xmm0, xmm1);
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// Copy xmm0 to st(0) using eight bytes of stack.
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__ sub(Operand(esp), Immediate(8));
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__ movdbl(Operand(esp, 0), xmm0);
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__ fld_d(Operand(esp, 0));
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__ add(Operand(esp), Immediate(8));
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__ ret(0);
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CodeDesc desc;
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assm.GetCode(&desc);
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Code* code =
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Code::cast(Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value())));
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#ifdef DEBUG
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::printf("\n---\n");
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// don't print the code - our disassembler can't handle SSE instructions
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// instead print bytes
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Disassembler::Dump(stdout,
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code->instruction_start(),
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code->instruction_start() + code->instruction_size());
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#endif
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F5 f = FUNCTION_CAST<F5>(code->entry());
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double res = f(2.2, 1.1);
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::printf("f() = %f\n", res);
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CHECK(2.29 < res && res < 2.31);
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}
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typedef double (*F6)(int x);
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TEST(AssemblerIa328) {
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if (!CpuFeatures::IsSupported(SSE2)) return;
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InitializeVM();
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v8::HandleScope scope;
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CHECK(CpuFeatures::IsSupported(SSE2));
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CpuFeatures::Scope fscope(SSE2);
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v8::internal::byte buffer[256];
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Assembler assm(buffer, sizeof buffer);
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__ mov(eax, Operand(esp, 4));
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__ cvtsi2sd(xmm0, Operand(eax));
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// Copy xmm0 to st(0) using eight bytes of stack.
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__ sub(Operand(esp), Immediate(8));
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__ movdbl(Operand(esp, 0), xmm0);
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__ fld_d(Operand(esp, 0));
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__ add(Operand(esp), Immediate(8));
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__ ret(0);
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CodeDesc desc;
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assm.GetCode(&desc);
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Code* code =
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Code::cast(Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value())));
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CHECK(code->IsCode());
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#ifdef DEBUG
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Code::cast(code)->Print();
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#endif
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F6 f = FUNCTION_CAST<F6>(Code::cast(code)->entry());
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double res = f(12);
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::printf("f() = %f\n", res);
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CHECK(11.99 < res && res < 12.001);
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}
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typedef int (*F7)(double x, double y);
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TEST(AssemblerIa329) {
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InitializeVM();
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v8::HandleScope scope;
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v8::internal::byte buffer[256];
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MacroAssembler assm(buffer, sizeof buffer);
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enum { kEqual = 0, kGreater = 1, kLess = 2, kNaN = 3, kUndefined = 4 };
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Label equal_l, less_l, greater_l, nan_l;
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__ fld_d(Operand(esp, 3 * kPointerSize));
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__ fld_d(Operand(esp, 1 * kPointerSize));
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__ FCmp();
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__ j(parity_even, &nan_l, taken);
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__ j(equal, &equal_l, taken);
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__ j(below, &less_l, taken);
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__ j(above, &greater_l, taken);
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__ mov(eax, kUndefined);
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__ ret(0);
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__ bind(&equal_l);
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__ mov(eax, kEqual);
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__ ret(0);
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__ bind(&greater_l);
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__ mov(eax, kGreater);
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__ ret(0);
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__ bind(&less_l);
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__ mov(eax, kLess);
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__ ret(0);
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__ bind(&nan_l);
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__ mov(eax, kNaN);
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__ ret(0);
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CodeDesc desc;
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assm.GetCode(&desc);
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Code* code =
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Code::cast(Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value())));
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CHECK(code->IsCode());
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#ifdef DEBUG
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Code::cast(code)->Print();
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#endif
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F7 f = FUNCTION_CAST<F7>(Code::cast(code)->entry());
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CHECK_EQ(kLess, f(1.1, 2.2));
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CHECK_EQ(kEqual, f(2.2, 2.2));
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CHECK_EQ(kGreater, f(3.3, 2.2));
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CHECK_EQ(kNaN, f(OS::nan_value(), 1.1));
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}
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#undef __
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