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DEFINITIONS
This source file includes following definitions.
- InitializeVM
- DummyStaticFunction
- 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 "debug.h"
#include "disasm.h"
#include "disassembler.h"
#include "macro-assembler.h"
#include "serialize.h"
#include "cctest.h"
using namespace v8::internal;
static v8::Persistent<v8::Context> env;
static void InitializeVM() {
if (env.IsEmpty()) {
env = v8::Context::New();
}
}
#define __ assm.
static void DummyStaticFunction(Object* result) {
}
TEST(DisasmIa320) {
InitializeVM();
v8::HandleScope scope;
v8::internal::byte buffer[2048];
Assembler assm(Isolate::Current(), buffer, sizeof buffer);
DummyStaticFunction(NULL); // just bloody use it (DELETE; debugging)
// Short immediate instructions
__ adc(eax, 12345678);
__ add(eax, Immediate(12345678));
__ or_(eax, 12345678);
__ sub(eax, Immediate(12345678));
__ xor_(eax, 12345678);
__ and_(eax, 12345678);
Handle<FixedArray> foo = FACTORY->NewFixedArray(10, TENURED);
__ cmp(eax, foo);
// ---- This one caused crash
__ mov(ebx, Operand(esp, ecx, times_2, 0)); // [esp+ecx*4]
// ---- All instructions that I can think of
__ add(edx, ebx);
__ add(edx, Operand(12, RelocInfo::NONE));
__ add(edx, Operand(ebx, 0));
__ add(edx, Operand(ebx, 16));
__ add(edx, Operand(ebx, 1999));
__ add(edx, Operand(esp, 0));
__ add(edx, Operand(esp, 16));
__ add(edx, Operand(esp, 1999));
__ nop();
__ add(edi, Operand(ebp, ecx, times_4, 0));
__ add(edi, Operand(ebp, ecx, times_4, 12));
__ add(Operand(ebp, ecx, times_4, 12), Immediate(12));
__ nop();
__ add(ebx, Immediate(12));
__ nop();
__ adc(ecx, 12);
__ adc(ecx, 1000);
__ nop();
__ and_(edx, 3);
__ and_(edx, Operand(esp, 4));
__ cmp(edx, 3);
__ cmp(edx, Operand(esp, 4));
__ cmp(Operand(ebp, ecx, times_4, 0), Immediate(1000));
Handle<FixedArray> foo2 = FACTORY->NewFixedArray(10, TENURED);
__ cmp(ebx, foo2);
__ cmpb(ebx, Operand(ebp, ecx, times_2, 0));
__ cmpb(Operand(ebp, ecx, times_2, 0), ebx);
__ or_(edx, 3);
__ xor_(edx, 3);
__ nop();
{
CHECK(CpuFeatures::IsSupported(CPUID));
CpuFeatures::Scope fscope(CPUID);
__ cpuid();
}
{
CHECK(CpuFeatures::IsSupported(RDTSC));
CpuFeatures::Scope fscope(RDTSC);
__ rdtsc();
}
__ movsx_b(edx, ecx);
__ movsx_w(edx, ecx);
__ movzx_b(edx, ecx);
__ movzx_w(edx, ecx);
__ nop();
__ imul(edx, ecx);
__ shld(edx, ecx);
__ shrd(edx, ecx);
__ bts(edx, ecx);
__ bts(Operand(ebx, ecx, times_4, 0), ecx);
__ nop();
__ pushad();
__ popad();
__ pushfd();
__ popfd();
__ push(Immediate(12));
__ push(Immediate(23456));
__ push(ecx);
__ push(esi);
__ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
__ push(Operand(ebx, ecx, times_4, 0));
__ push(Operand(ebx, ecx, times_4, 0));
__ push(Operand(ebx, ecx, times_4, 10000));
__ pop(edx);
__ pop(eax);
__ pop(Operand(ebx, ecx, times_4, 0));
__ nop();
__ add(edx, Operand(esp, 16));
__ add(edx, ecx);
__ mov_b(edx, ecx);
__ mov_b(ecx, 6);
__ mov_b(Operand(ebx, ecx, times_4, 10000), 6);
__ mov_b(Operand(esp, 16), edx);
__ mov_w(edx, Operand(esp, 16));
__ mov_w(Operand(esp, 16), edx);
__ nop();
__ movsx_w(edx, Operand(esp, 12));
__ movsx_b(edx, Operand(esp, 12));
__ movzx_w(edx, Operand(esp, 12));
__ movzx_b(edx, Operand(esp, 12));
__ nop();
__ mov(edx, 1234567);
__ mov(edx, Operand(esp, 12));
__ mov(Operand(ebx, ecx, times_4, 10000), Immediate(12345));
__ mov(Operand(ebx, ecx, times_4, 10000), edx);
__ nop();
__ dec_b(edx);
__ dec_b(Operand(eax, 10));
__ dec_b(Operand(ebx, ecx, times_4, 10000));
__ dec(edx);
__ cdq();
__ nop();
__ idiv(edx);
__ mul(edx);
__ neg(edx);
__ not_(edx);
__ test(Operand(ebx, ecx, times_4, 10000), Immediate(123456));
__ imul(edx, Operand(ebx, ecx, times_4, 10000));
__ imul(edx, ecx, 12);
__ imul(edx, ecx, 1000);
__ inc(edx);
__ inc(Operand(ebx, ecx, times_4, 10000));
__ push(Operand(ebx, ecx, times_4, 10000));
__ pop(Operand(ebx, ecx, times_4, 10000));
__ call(Operand(ebx, ecx, times_4, 10000));
__ jmp(Operand(ebx, ecx, times_4, 10000));
__ lea(edx, Operand(ebx, ecx, times_4, 10000));
__ or_(edx, 12345);
__ or_(edx, Operand(ebx, ecx, times_4, 10000));
__ nop();
__ rcl(edx, 1);
__ rcl(edx, 7);
__ rcr(edx, 1);
__ rcr(edx, 7);
__ sar(edx, 1);
__ sar(edx, 6);
__ sar_cl(edx);
__ sbb(edx, Operand(ebx, ecx, times_4, 10000));
__ shld(edx, Operand(ebx, ecx, times_4, 10000));
__ shl(edx, 1);
__ shl(edx, 6);
__ shl_cl(edx);
__ shrd(edx, Operand(ebx, ecx, times_4, 10000));
__ shr(edx, 1);
__ shr(edx, 7);
__ shr_cl(edx);
// Immediates
__ adc(edx, 12345);
__ add(ebx, Immediate(12));
__ add(Operand(edx, ecx, times_4, 10000), Immediate(12));
__ and_(ebx, 12345);
__ cmp(ebx, 12345);
__ cmp(ebx, Immediate(12));
__ cmp(Operand(edx, ecx, times_4, 10000), Immediate(12));
__ cmpb(eax, 100);
__ or_(ebx, 12345);
__ sub(ebx, Immediate(12));
__ sub(Operand(edx, ecx, times_4, 10000), Immediate(12));
__ xor_(ebx, 12345);
__ imul(edx, ecx, 12);
__ imul(edx, ecx, 1000);
__ cld();
__ rep_movs();
__ rep_stos();
__ stos();
__ sub(edx, Operand(ebx, ecx, times_4, 10000));
__ sub(edx, ebx);
__ test(edx, Immediate(12345));
__ test(edx, Operand(ebx, ecx, times_8, 10000));
__ test(Operand(esi, edi, times_1, -20000000), Immediate(300000000));
__ test_b(edx, Operand(ecx, ebx, times_2, 1000));
__ test_b(Operand(eax, -20), 0x9A);
__ nop();
__ xor_(edx, 12345);
__ xor_(edx, Operand(ebx, ecx, times_8, 10000));
__ bts(Operand(ebx, ecx, times_8, 10000), edx);
__ hlt();
__ int3();
__ ret(0);
__ ret(8);
// Calls
Label L1, L2;
__ bind(&L1);
__ nop();
__ call(&L1);
__ call(&L2);
__ nop();
__ bind(&L2);
__ call(Operand(ebx, ecx, times_4, 10000));
__ nop();
Handle<Code> ic(Isolate::Current()->builtins()->builtin(
Builtins::kLoadIC_Initialize));
__ call(ic, RelocInfo::CODE_TARGET);
__ nop();
__ call(FUNCTION_ADDR(DummyStaticFunction), RelocInfo::RUNTIME_ENTRY);
__ nop();
__ jmp(&L1);
__ jmp(Operand(ebx, ecx, times_4, 10000));
#ifdef ENABLE_DEBUGGER_SUPPORT
ExternalReference after_break_target =
ExternalReference(Debug_Address::AfterBreakTarget(),
assm.isolate());
__ jmp(Operand::StaticVariable(after_break_target));
#endif // ENABLE_DEBUGGER_SUPPORT
__ jmp(ic, RelocInfo::CODE_TARGET);
__ nop();
Label Ljcc;
__ nop();
// long jumps
__ j(overflow, &Ljcc);
__ j(no_overflow, &Ljcc);
__ j(below, &Ljcc);
__ j(above_equal, &Ljcc);
__ j(equal, &Ljcc);
__ j(not_equal, &Ljcc);
__ j(below_equal, &Ljcc);
__ j(above, &Ljcc);
__ j(sign, &Ljcc);
__ j(not_sign, &Ljcc);
__ j(parity_even, &Ljcc);
__ j(parity_odd, &Ljcc);
__ j(less, &Ljcc);
__ j(greater_equal, &Ljcc);
__ j(less_equal, &Ljcc);
__ j(greater, &Ljcc);
__ nop();
__ bind(&Ljcc);
// short jumps
__ j(overflow, &Ljcc);
__ j(no_overflow, &Ljcc);
__ j(below, &Ljcc);
__ j(above_equal, &Ljcc);
__ j(equal, &Ljcc);
__ j(not_equal, &Ljcc);
__ j(below_equal, &Ljcc);
__ j(above, &Ljcc);
__ j(sign, &Ljcc);
__ j(not_sign, &Ljcc);
__ j(parity_even, &Ljcc);
__ j(parity_odd, &Ljcc);
__ j(less, &Ljcc);
__ j(greater_equal, &Ljcc);
__ j(less_equal, &Ljcc);
__ j(greater, &Ljcc);
// 0xD9 instructions
__ nop();
__ fld(1);
__ fld1();
__ fldz();
__ fldpi();
__ fabs();
__ fchs();
__ fprem();
__ fprem1();
__ fincstp();
__ ftst();
__ fxch(3);
__ fld_s(Operand(ebx, ecx, times_4, 10000));
__ fstp_s(Operand(ebx, ecx, times_4, 10000));
__ ffree(3);
__ fld_d(Operand(ebx, ecx, times_4, 10000));
__ fstp_d(Operand(ebx, ecx, times_4, 10000));
__ nop();
__ fild_s(Operand(ebx, ecx, times_4, 10000));
__ fistp_s(Operand(ebx, ecx, times_4, 10000));
__ fild_d(Operand(ebx, ecx, times_4, 10000));
__ fistp_d(Operand(ebx, ecx, times_4, 10000));
__ fnstsw_ax();
__ nop();
__ fadd(3);
__ fsub(3);
__ fmul(3);
__ fdiv(3);
__ faddp(3);
__ fsubp(3);
__ fmulp(3);
__ fdivp(3);
__ fcompp();
__ fwait();
__ nop();
{
if (CpuFeatures::IsSupported(SSE2)) {
CpuFeatures::Scope fscope(SSE2);
__ cvttss2si(edx, Operand(ebx, ecx, times_4, 10000));
__ cvtsi2sd(xmm1, Operand(ebx, ecx, times_4, 10000));
__ addsd(xmm1, xmm0);
__ mulsd(xmm1, xmm0);
__ subsd(xmm1, xmm0);
__ divsd(xmm1, xmm0);
__ movdbl(xmm1, Operand(ebx, ecx, times_4, 10000));
__ movdbl(Operand(ebx, ecx, times_4, 10000), xmm1);
__ ucomisd(xmm0, xmm1);
// 128 bit move instructions.
__ movdqa(xmm0, Operand(ebx, ecx, times_4, 10000));
__ movdqa(Operand(ebx, ecx, times_4, 10000), xmm0);
__ movdqu(xmm0, Operand(ebx, ecx, times_4, 10000));
__ movdqu(Operand(ebx, ecx, times_4, 10000), xmm0);
}
}
// cmov.
{
if (CpuFeatures::IsSupported(CMOV)) {
CpuFeatures::Scope use_cmov(CMOV);
__ cmov(overflow, eax, Operand(eax, 0));
__ cmov(no_overflow, eax, Operand(eax, 1));
__ cmov(below, eax, Operand(eax, 2));
__ cmov(above_equal, eax, Operand(eax, 3));
__ cmov(equal, eax, Operand(ebx, 0));
__ cmov(not_equal, eax, Operand(ebx, 1));
__ cmov(below_equal, eax, Operand(ebx, 2));
__ cmov(above, eax, Operand(ebx, 3));
__ cmov(sign, eax, Operand(ecx, 0));
__ cmov(not_sign, eax, Operand(ecx, 1));
__ cmov(parity_even, eax, Operand(ecx, 2));
__ cmov(parity_odd, eax, Operand(ecx, 3));
__ cmov(less, eax, Operand(edx, 0));
__ cmov(greater_equal, eax, Operand(edx, 1));
__ cmov(less_equal, eax, Operand(edx, 2));
__ cmov(greater, eax, Operand(edx, 3));
}
}
// andpd, cmpltsd, movaps, psllq, psrlq, por.
{
if (CpuFeatures::IsSupported(SSE2)) {
CpuFeatures::Scope fscope(SSE2);
__ andpd(xmm0, xmm1);
__ andpd(xmm1, xmm2);
__ cmpltsd(xmm0, xmm1);
__ cmpltsd(xmm1, xmm2);
__ movaps(xmm0, xmm1);
__ movaps(xmm1, xmm2);
__ psllq(xmm0, 17);
__ psllq(xmm1, 42);
__ psllq(xmm0, xmm1);
__ psllq(xmm1, xmm2);
__ psrlq(xmm0, 17);
__ psrlq(xmm1, 42);
__ psrlq(xmm0, xmm1);
__ psrlq(xmm1, xmm2);
__ por(xmm0, xmm1);
__ por(xmm1, xmm2);
}
}
{
if (CpuFeatures::IsSupported(SSE4_1)) {
CpuFeatures::Scope scope(SSE4_1);
__ pextrd(eax, xmm0, 1);
__ pinsrd(xmm1, eax, 0);
}
}
// Nop instructions
for (int i = 0; i < 16; i++) {
__ Nop(i);
}
__ 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();
byte* begin = Code::cast(code)->instruction_start();
byte* end = begin + Code::cast(code)->instruction_size();
disasm::Disassembler::Disassemble(stdout, begin, end);
#endif
}
#undef __