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DEFINITIONS
This source file includes following definitions.
- InitializeVM
- TEST
- TEST
- TEST
- TEST
- TEST
- TEST
- TEST
- TEST
- TEST
- TEST
- TEST
// Copyright 2011 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 "v8.h"
#include "disassembler.h"
#include "factory.h"
#include "macro-assembler.h"
#include "platform.h"
#include "serialize.h"
#include "cctest.h"
using namespace v8::internal;
typedef int (*F0)();
typedef int (*F1)(int x);
typedef int (*F2)(int x, int y);
static v8::Persistent<v8::Context> env;
static void InitializeVM() {
if (env.IsEmpty()) {
env = v8::Context::New();
}
}
#define __ assm.
TEST(AssemblerIa320) {
InitializeVM();
v8::HandleScope scope;
v8::internal::byte buffer[256];
Assembler assm(Isolate::Current(), buffer, sizeof buffer);
__ mov(eax, Operand(esp, 4));
__ add(eax, Operand(esp, 8));
__ ret(0);
CodeDesc desc;
assm.GetCode(&desc);
Object* code = HEAP->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
CHECK(code->IsCode());
#ifdef OBJECT_PRINT
Code::cast(code)->Print();
#endif
F2 f = FUNCTION_CAST<F2>(Code::cast(code)->entry());
int res = f(3, 4);
::printf("f() = %d\n", res);
CHECK_EQ(7, res);
}
TEST(AssemblerIa321) {
InitializeVM();
v8::HandleScope scope;
v8::internal::byte buffer[256];
Assembler assm(Isolate::Current(), buffer, sizeof buffer);
Label L, C;
__ mov(edx, Operand(esp, 4));
__ xor_(eax, eax); // clear eax
__ jmp(&C);
__ bind(&L);
__ add(eax, edx);
__ sub(edx, Immediate(1));
__ bind(&C);
__ test(edx, edx);
__ j(not_zero, &L);
__ ret(0);
CodeDesc desc;
assm.GetCode(&desc);
Object* code = HEAP->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
CHECK(code->IsCode());
#ifdef OBJECT_PRINT
Code::cast(code)->Print();
#endif
F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry());
int res = f(100);
::printf("f() = %d\n", res);
CHECK_EQ(5050, res);
}
TEST(AssemblerIa322) {
InitializeVM();
v8::HandleScope scope;
v8::internal::byte buffer[256];
Assembler assm(Isolate::Current(), buffer, sizeof buffer);
Label L, C;
__ mov(edx, Operand(esp, 4));
__ mov(eax, 1);
__ jmp(&C);
__ bind(&L);
__ imul(eax, edx);
__ sub(edx, Immediate(1));
__ bind(&C);
__ test(edx, edx);
__ j(not_zero, &L);
__ ret(0);
// some relocated stuff here, not executed
__ mov(eax, FACTORY->true_value());
__ jmp(NULL, RelocInfo::RUNTIME_ENTRY);
CodeDesc desc;
assm.GetCode(&desc);
Object* code = HEAP->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
CHECK(code->IsCode());
#ifdef OBJECT_PRINT
Code::cast(code)->Print();
#endif
F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry());
int res = f(10);
::printf("f() = %d\n", res);
CHECK_EQ(3628800, res);
}
typedef int (*F3)(float x);
TEST(AssemblerIa323) {
InitializeVM();
if (!CpuFeatures::IsSupported(SSE2)) return;
v8::HandleScope scope;
v8::internal::byte buffer[256];
Assembler assm(Isolate::Current(), buffer, sizeof buffer);
CHECK(CpuFeatures::IsSupported(SSE2));
{ CpuFeatures::Scope fscope(SSE2);
__ cvttss2si(eax, Operand(esp, 4));
__ ret(0);
}
CodeDesc desc;
assm.GetCode(&desc);
Code* code = Code::cast(HEAP->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked());
// don't print the code - our disassembler can't handle cvttss2si
// instead print bytes
Disassembler::Dump(stdout,
code->instruction_start(),
code->instruction_start() + code->instruction_size());
F3 f = FUNCTION_CAST<F3>(code->entry());
int res = f(static_cast<float>(-3.1415));
::printf("f() = %d\n", res);
CHECK_EQ(-3, res);
}
typedef int (*F4)(double x);
TEST(AssemblerIa324) {
InitializeVM();
if (!CpuFeatures::IsSupported(SSE2)) return;
v8::HandleScope scope;
v8::internal::byte buffer[256];
Assembler assm(Isolate::Current(), buffer, sizeof buffer);
CHECK(CpuFeatures::IsSupported(SSE2));
CpuFeatures::Scope fscope(SSE2);
__ cvttsd2si(eax, Operand(esp, 4));
__ ret(0);
CodeDesc desc;
assm.GetCode(&desc);
Code* code = Code::cast(HEAP->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked());
// don't print the code - our disassembler can't handle cvttsd2si
// instead print bytes
Disassembler::Dump(stdout,
code->instruction_start(),
code->instruction_start() + code->instruction_size());
F4 f = FUNCTION_CAST<F4>(code->entry());
int res = f(2.718281828);
::printf("f() = %d\n", res);
CHECK_EQ(2, res);
}
static int baz = 42;
TEST(AssemblerIa325) {
InitializeVM();
v8::HandleScope scope;
v8::internal::byte buffer[256];
Assembler assm(Isolate::Current(), buffer, sizeof buffer);
__ mov(eax, Operand(reinterpret_cast<intptr_t>(&baz), RelocInfo::NONE));
__ ret(0);
CodeDesc desc;
assm.GetCode(&desc);
Code* code = Code::cast(HEAP->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked());
F0 f = FUNCTION_CAST<F0>(code->entry());
int res = f();
CHECK_EQ(42, res);
}
typedef double (*F5)(double x, double y);
TEST(AssemblerIa326) {
InitializeVM();
if (!CpuFeatures::IsSupported(SSE2)) return;
v8::HandleScope scope;
CHECK(CpuFeatures::IsSupported(SSE2));
CpuFeatures::Scope fscope(SSE2);
v8::internal::byte buffer[256];
Assembler assm(Isolate::Current(), buffer, sizeof buffer);
__ movdbl(xmm0, Operand(esp, 1 * kPointerSize));
__ movdbl(xmm1, Operand(esp, 3 * kPointerSize));
__ addsd(xmm0, xmm1);
__ mulsd(xmm0, xmm1);
__ subsd(xmm0, xmm1);
__ divsd(xmm0, xmm1);
// Copy xmm0 to st(0) using eight bytes of stack.
__ sub(esp, Immediate(8));
__ movdbl(Operand(esp, 0), xmm0);
__ fld_d(Operand(esp, 0));
__ add(esp, Immediate(8));
__ ret(0);
CodeDesc desc;
assm.GetCode(&desc);
Code* code = Code::cast(HEAP->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked());
#ifdef DEBUG
::printf("\n---\n");
// don't print the code - our disassembler can't handle SSE instructions
// instead print bytes
Disassembler::Dump(stdout,
code->instruction_start(),
code->instruction_start() + code->instruction_size());
#endif
F5 f = FUNCTION_CAST<F5>(code->entry());
double res = f(2.2, 1.1);
::printf("f() = %f\n", res);
CHECK(2.29 < res && res < 2.31);
}
typedef double (*F6)(int x);
TEST(AssemblerIa328) {
InitializeVM();
if (!CpuFeatures::IsSupported(SSE2)) return;
v8::HandleScope scope;
CHECK(CpuFeatures::IsSupported(SSE2));
CpuFeatures::Scope fscope(SSE2);
v8::internal::byte buffer[256];
Assembler assm(Isolate::Current(), buffer, sizeof buffer);
__ mov(eax, Operand(esp, 4));
__ cvtsi2sd(xmm0, eax);
// Copy xmm0 to st(0) using eight bytes of stack.
__ sub(esp, Immediate(8));
__ movdbl(Operand(esp, 0), xmm0);
__ fld_d(Operand(esp, 0));
__ add(esp, Immediate(8));
__ ret(0);
CodeDesc desc;
assm.GetCode(&desc);
Code* code = Code::cast(HEAP->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked());
CHECK(code->IsCode());
#ifdef OBJECT_PRINT
Code::cast(code)->Print();
#endif
F6 f = FUNCTION_CAST<F6>(Code::cast(code)->entry());
double res = f(12);
::printf("f() = %f\n", res);
CHECK(11.99 < res && res < 12.001);
}
typedef int (*F7)(double x, double y);
TEST(AssemblerIa329) {
InitializeVM();
v8::HandleScope scope;
v8::internal::byte buffer[256];
MacroAssembler assm(Isolate::Current(), buffer, sizeof buffer);
enum { kEqual = 0, kGreater = 1, kLess = 2, kNaN = 3, kUndefined = 4 };
Label equal_l, less_l, greater_l, nan_l;
__ fld_d(Operand(esp, 3 * kPointerSize));
__ fld_d(Operand(esp, 1 * kPointerSize));
__ FCmp();
__ j(parity_even, &nan_l);
__ j(equal, &equal_l);
__ j(below, &less_l);
__ j(above, &greater_l);
__ mov(eax, kUndefined);
__ ret(0);
__ bind(&equal_l);
__ mov(eax, kEqual);
__ ret(0);
__ bind(&greater_l);
__ mov(eax, kGreater);
__ ret(0);
__ bind(&less_l);
__ mov(eax, kLess);
__ ret(0);
__ bind(&nan_l);
__ mov(eax, kNaN);
__ ret(0);
CodeDesc desc;
assm.GetCode(&desc);
Code* code = Code::cast(HEAP->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked());
CHECK(code->IsCode());
#ifdef OBJECT_PRINT
Code::cast(code)->Print();
#endif
F7 f = FUNCTION_CAST<F7>(Code::cast(code)->entry());
CHECK_EQ(kLess, f(1.1, 2.2));
CHECK_EQ(kEqual, f(2.2, 2.2));
CHECK_EQ(kGreater, f(3.3, 2.2));
CHECK_EQ(kNaN, f(OS::nan_value(), 1.1));
}
TEST(AssemblerIa3210) {
// Test chaining of label usages within instructions (issue 1644).
InitializeVM();
v8::HandleScope scope;
Assembler assm(Isolate::Current(), NULL, 0);
Label target;
__ j(equal, &target);
__ j(not_equal, &target);
__ bind(&target);
__ nop();
}
TEST(AssemblerMultiByteNop) {
InitializeVM();
v8::HandleScope scope;
v8::internal::byte buffer[1024];
Assembler assm(Isolate::Current(), buffer, sizeof(buffer));
__ push(ebx);
__ push(ecx);
__ push(edx);
__ push(edi);
__ push(esi);
__ mov(eax, 1);
__ mov(ebx, 2);
__ mov(ecx, 3);
__ mov(edx, 4);
__ mov(edi, 5);
__ mov(esi, 6);
for (int i = 0; i < 16; i++) {
int before = assm.pc_offset();
__ Nop(i);
CHECK_EQ(assm.pc_offset() - before, i);
}
Label fail;
__ cmp(eax, 1);
__ j(not_equal, &fail);
__ cmp(ebx, 2);
__ j(not_equal, &fail);
__ cmp(ecx, 3);
__ j(not_equal, &fail);
__ cmp(edx, 4);
__ j(not_equal, &fail);
__ cmp(edi, 5);
__ j(not_equal, &fail);
__ cmp(esi, 6);
__ j(not_equal, &fail);
__ mov(eax, 42);
__ pop(esi);
__ pop(edi);
__ pop(edx);
__ pop(ecx);
__ pop(ebx);
__ ret(0);
__ bind(&fail);
__ mov(eax, 13);
__ pop(esi);
__ pop(edi);
__ pop(edx);
__ pop(ecx);
__ pop(ebx);
__ ret(0);
CodeDesc desc;
assm.GetCode(&desc);
Code* code = Code::cast(HEAP->CreateCode(
desc,
Code::ComputeFlags(Code::STUB),
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked());
CHECK(code->IsCode());
F0 f = FUNCTION_CAST<F0>(code->entry());
int res = f();
CHECK_EQ(42, res);
}
#undef __