311 lines
7.6 KiB
C++
311 lines
7.6 KiB
C++
|
// 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);
|
||
|
|
|
||
|
|
|
||
|
|
#define __ assm.
|
||
|
|
|
||
|
|
TEST(AssemblerIa320) {
|
||
|
|
CcTest::InitializeVM();
|
||
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
||
|
|
HandleScope scope(isolate);
|
||
|
|
|
||
|
|
v8::internal::byte buffer[256];
|
||
|
|
Assembler assm(isolate, buffer, sizeof buffer);
|
||
|
|
|
||
|
|
__ mov(eax, Operand(esp, 4));
|
||
|
|
__ add(eax, Operand(esp, 8));
|
||
|
|
__ ret(0);
|
||
|
|
|
||
|
|
CodeDesc desc;
|
||
|
|
assm.GetCode(&desc);
|
||
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
||
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
||
|
|
#ifdef OBJECT_PRINT
|
||
|
|
code->Print();
|
||
|
|
#endif
|
||
|
|
F2 f = FUNCTION_CAST<F2>(code->entry());
|
||
|
|
int res = f(3, 4);
|
||
|
|
::printf("f() = %d\n", res);
|
||
|
|
CHECK_EQ(7, res);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
TEST(AssemblerIa321) {
|
||
|
|
CcTest::InitializeVM();
|
||
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
||
|
|
HandleScope scope(isolate);
|
||
|
|
|
||
|
|
v8::internal::byte buffer[256];
|
||
|
|
Assembler assm(isolate, 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);
|
||
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
||
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
||
|
|
#ifdef OBJECT_PRINT
|
||
|
|
code->Print();
|
||
|
|
#endif
|
||
|
|
F1 f = FUNCTION_CAST<F1>(code->entry());
|
||
|
|
int res = f(100);
|
||
|
|
::printf("f() = %d\n", res);
|
||
|
|
CHECK_EQ(5050, res);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
TEST(AssemblerIa322) {
|
||
|
|
CcTest::InitializeVM();
|
||
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
||
|
|
HandleScope scope(isolate);
|
||
|
|
|
||
|
|
v8::internal::byte buffer[256];
|
||
|
|
Assembler assm(isolate, 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, isolate->factory()->true_value());
|
||
|
|
__ jmp(NULL, RelocInfo::RUNTIME_ENTRY);
|
||
|
|
|
||
|
|
CodeDesc desc;
|
||
|
|
assm.GetCode(&desc);
|
||
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
||
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
||
|
|
#ifdef OBJECT_PRINT
|
||
|
|
code->Print();
|
||
|
|
#endif
|
||
|
|
F1 f = FUNCTION_CAST<F1>(code->entry());
|
||
|
|
int res = f(10);
|
||
|
|
::printf("f() = %d\n", res);
|
||
|
|
CHECK_EQ(3628800, res);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
typedef int (*F3)(float x);
|
||
|
|
|
||
|
|
typedef int (*F4)(double x);
|
||
|
|
|
||
|
|
static int baz = 42;
|
||
|
|
TEST(AssemblerIa325) {
|
||
|
|
CcTest::InitializeVM();
|
||
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
||
|
|
HandleScope scope(isolate);
|
||
|
|
|
||
|
|
v8::internal::byte buffer[256];
|
||
|
|
Assembler assm(isolate, buffer, sizeof buffer);
|
||
|
|
|
||
|
|
__ mov(eax, Operand(reinterpret_cast<intptr_t>(&baz), RelocInfo::NONE32));
|
||
|
|
__ ret(0);
|
||
|
|
|
||
|
|
CodeDesc desc;
|
||
|
|
assm.GetCode(&desc);
|
||
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
||
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
||
|
|
F0 f = FUNCTION_CAST<F0>(code->entry());
|
||
|
|
int res = f();
|
||
|
|
CHECK_EQ(42, res);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
typedef int (*F7)(double x, double y);
|
||
|
|
|
||
|
|
TEST(AssemblerIa329) {
|
||
|
|
CcTest::InitializeVM();
|
||
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
||
|
|
HandleScope scope(isolate);
|
||
|
|
v8::internal::byte buffer[256];
|
||
|
|
MacroAssembler assm(isolate, 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);
|
||
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
||
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
||
|
|
#ifdef OBJECT_PRINT
|
||
|
|
code->Print();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
F7 f = FUNCTION_CAST<F7>(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).
|
||
|
|
CcTest::InitializeVM();
|
||
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
||
|
|
HandleScope scope(isolate);
|
||
|
|
Assembler assm(isolate, NULL, 0);
|
||
|
|
|
||
|
|
Label target;
|
||
|
|
__ j(equal, &target);
|
||
|
|
__ j(not_equal, &target);
|
||
|
|
__ bind(&target);
|
||
|
|
__ nop();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
TEST(AssemblerMultiByteNop) {
|
||
|
|
CcTest::InitializeVM();
|
||
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
||
|
|
HandleScope scope(isolate);
|
||
|
|
v8::internal::byte buffer[1024];
|
||
|
|
Assembler assm(isolate, 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);
|
||
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
||
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
||
|
|
CHECK(code->IsCode());
|
||
|
|
|
||
|
|
F0 f = FUNCTION_CAST<F0>(code->entry());
|
||
|
|
int res = f();
|
||
|
|
CHECK_EQ(42, res);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#undef __
|