CSE2410 Fall 2014 Bounce

// 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;

#define __ assm.

static void DummyStaticFunction(Object* result) {

}

TEST(DisasmX64) {

  CcTest::InitializeVM();

  v8::HandleScope scope;

  v8::internal::byte buffer[2048];

  Assembler assm(CcTest::i_isolate(), buffer, sizeof buffer);

  DummyStaticFunction(NULL);  // just bloody use it (DELETE; debugging)

  // Short immediate instructions

  __ addq(rax, Immediate(12345678));

  __ or_(rax, Immediate(12345678));

  __ subq(rax, Immediate(12345678));

  __ xor_(rax, Immediate(12345678));

  __ and_(rax, Immediate(12345678));

  // ---- This one caused crash

  __ movq(rbx,  Operand(rsp, rcx, times_2, 0));  // [rsp+rcx*4]

  // ---- All instructions that I can think of

  __ addq(rdx, rbx);

  __ addq(rdx, Operand(rbx, 0));

  __ addq(rdx, Operand(rbx, 16));

  __ addq(rdx, Operand(rbx, 1999));

  __ addq(rdx, Operand(rsp, 0));

  __ addq(rdx, Operand(rsp, 16));

  __ addq(rdx, Operand(rsp, 1999));

  __ nop();

  __ addq(rdi, Operand(rbp, rcx, times_4, 0));

  __ addq(rdi, Operand(rbp, rcx, times_4, 12));

  __ addq(Operand(rbp, rcx, times_4, 12), Immediate(12));

  __ nop();

  __ addq(rbx, Immediate(12));

  __ nop();

  __ nop();

  __ and_(rdx, Immediate(3));

  __ and_(rdx, Operand(rsp, 4));

  __ cmpq(rdx, Immediate(3));

  __ cmpq(rdx, Operand(rsp, 4));

  __ cmpq(Operand(rbp, rcx, times_4, 0), Immediate(1000));

  __ cmpb(rbx, Operand(rbp, rcx, times_2, 0));

  __ cmpb(Operand(rbp, rcx, times_2, 0), rbx);

  __ or_(rdx, Immediate(3));

  __ xor_(rdx, Immediate(3));

  __ nop();

  {

    CHECK(CpuFeatures::IsSupported(CPUID));

    CpuFeatures::Scope fscope(CPUID);

    __ cpuid();

  }

  __ movsxbq(rdx, Operand(rcx, 0));

  __ movsxwq(rdx, Operand(rcx, 0));

  __ movzxbl(rdx, Operand(rcx, 0));

  __ movzxwl(rdx, Operand(rcx, 0));

  __ movzxbq(rdx, Operand(rcx, 0));

  __ movzxwq(rdx, Operand(rcx, 0));

  __ nop();

  __ imul(rdx, rcx);

  __ shld(rdx, rcx);

  __ shrd(rdx, rcx);

  __ bts(Operand(rdx, 0), rcx);

  __ bts(Operand(rbx, rcx, times_4, 0), rcx);

  __ nop();

  __ push(Immediate(12));

  __ push(Immediate(23456));

  __ push(rcx);

  __ push(rsi);

  __ push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));

  __ push(Operand(rbx, rcx, times_4, 0));

  __ push(Operand(rbx, rcx, times_4, 0));

  __ push(Operand(rbx, rcx, times_4, 10000));

  __ pop(rdx);

  __ pop(rax);

  __ pop(Operand(rbx, rcx, times_4, 0));

  __ nop();

  __ addq(rdx, Operand(rsp, 16));

  __ addq(rdx, rcx);

  __ movb(rdx, Operand(rcx, 0));

  __ movb(rcx, Immediate(6));

  __ movb(Operand(rsp, 16), rdx);

  __ movw(Operand(rsp, 16), rdx);

  __ nop();

  __ movsxwq(rdx, Operand(rsp, 12));

  __ movsxbq(rdx, Operand(rsp, 12));

  __ movsxlq(rdx, Operand(rsp, 12));

  __ movzxwq(rdx, Operand(rsp, 12));

  __ movzxbq(rdx, Operand(rsp, 12));

  __ nop();

  __ movq(rdx, Immediate(1234567));

  __ movq(rdx, Operand(rsp, 12));

  __ movq(Operand(rbx, rcx, times_4, 10000), Immediate(12345));

  __ movq(Operand(rbx, rcx, times_4, 10000), rdx);

  __ nop();

  __ decb(rdx);

  __ decb(Operand(rax, 10));

  __ decb(Operand(rbx, rcx, times_4, 10000));

  __ decq(rdx);

  __ cdq();

  __ nop();

  __ idivq(rdx);

  __ mul(rdx);

  __ neg(rdx);

  __ not_(rdx);

  __ testq(Operand(rbx, rcx, times_4, 10000), rdx);

  __ imul(rdx, Operand(rbx, rcx, times_4, 10000));

  __ imul(rdx, rcx, Immediate(12));

  __ imul(rdx, rcx, Immediate(1000));

  __ incq(rdx);

  __ incq(Operand(rbx, rcx, times_4, 10000));

  __ push(Operand(rbx, rcx, times_4, 10000));

  __ pop(Operand(rbx, rcx, times_4, 10000));

  __ jmp(Operand(rbx, rcx, times_4, 10000));

  __ lea(rdx, Operand(rbx, rcx, times_4, 10000));

  __ or_(rdx, Immediate(12345));

  __ or_(rdx, Operand(rbx, rcx, times_4, 10000));

  __ nop();

  __ rcl(rdx, Immediate(1));

  __ rcl(rdx, Immediate(7));

  __ rcr(rdx, Immediate(1));

  __ rcr(rdx, Immediate(7));

  __ sar(rdx, Immediate(1));

  __ sar(rdx, Immediate(6));

  __ sar_cl(rdx);

  __ sbbq(rdx, rbx);

  __ shld(rdx, rbx);

  __ shl(rdx, Immediate(1));

  __ shl(rdx, Immediate(6));

  __ shl_cl(rdx);

  __ shrd(rdx, rbx);

  __ shr(rdx, Immediate(1));

  __ shr(rdx, Immediate(7));

  __ shr_cl(rdx);

  // Immediates

  __ addq(rbx, Immediate(12));

  __ addq(Operand(rdx, rcx, times_4, 10000), Immediate(12));

  __ and_(rbx, Immediate(12345));

  __ cmpq(rbx, Immediate(12345));

  __ cmpq(rbx, Immediate(12));

  __ cmpq(Operand(rdx, rcx, times_4, 10000), Immediate(12));

  __ cmpb(rax, Immediate(100));

  __ or_(rbx, Immediate(12345));

  __ subq(rbx, Immediate(12));

  __ subq(Operand(rdx, rcx, times_4, 10000), Immediate(12));

  __ xor_(rbx, Immediate(12345));

  __ imul(rdx, rcx, Immediate(12));

  __ imul(rdx, rcx, Immediate(1000));

  __ cld();

  __ subq(rdx, Operand(rbx, rcx, times_4, 10000));

  __ subq(rdx, rbx);

  __ testq(rdx, Immediate(12345));

  __ testq(Operand(rbx, rcx, times_8, 10000), rdx);

  __ testb(Operand(rcx, rbx, times_2, 1000), rdx);

  __ testb(Operand(rax, -20), Immediate(0x9A));

  __ nop();

  __ xor_(rdx, Immediate(12345));

  __ xor_(rdx, Operand(rbx, rcx, times_8, 10000));

  __ bts(Operand(rbx, rcx, times_8, 10000), rdx);

  __ hlt();

  __ int3();

  __ ret(0);

  __ ret(8);

  // Calls

  Label L1, L2;

  __ bind(&L1);

  __ nop();

  __ call(&L1);

  __ call(&L2);

  __ nop();

  __ bind(&L2);

  __ call(Operand(rbx, rcx, times_4, 10000));

  __ nop();

  Handle<Code> ic(CcTest::i_isolate()->builtins()->builtin(

      Builtins::kLoadIC_Initialize));

  __ call(ic, RelocInfo::CODE_TARGET);

  __ nop();

  __ nop();

  __ jmp(&L1);

  __ jmp(Operand(rbx, rcx, times_4, 10000));

#ifdef ENABLE_DEBUGGER_SUPPORT

  ExternalReference after_break_target =

      ExternalReference(Debug_Address::AfterBreakTarget(),

                        assm.isolate());

  USE(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(rbx, rcx, times_4, 10000));

  __ fstp_s(Operand(rbx, rcx, times_4, 10000));

  __ ffree(3);

  __ fld_d(Operand(rbx, rcx, times_4, 10000));

  __ fstp_d(Operand(rbx, rcx, times_4, 10000));

  __ nop();

  __ fild_s(Operand(rbx, rcx, times_4, 10000));

  __ fistp_s(Operand(rbx, rcx, times_4, 10000));

  __ fild_d(Operand(rbx, rcx, times_4, 10000));

  __ fistp_d(Operand(rbx, rcx, 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();

  // SSE instruction

  {

    __ cvttss2si(rdx, Operand(rbx, rcx, times_4, 10000));

    __ cvttss2si(rdx, xmm1);

    __ movaps(xmm0, xmm1);

    __ andps(xmm0, xmm1);

  }

  // SSE 2 instructions

  {

    __ cvttsd2si(rdx, Operand(rbx, rcx, times_4, 10000));

    __ cvttsd2si(rdx, xmm1);

    __ cvttsd2siq(rdx, xmm1);

    __ movsd(xmm1, Operand(rbx, rcx, times_4, 10000));

    __ movsd(Operand(rbx, rcx, times_4, 10000), xmm1);

    // 128 bit move instructions.

    __ movdqa(xmm0, Operand(rbx, rcx, times_4, 10000));

    __ movdqa(Operand(rbx, rcx, times_4, 10000), xmm0);

    __ addsd(xmm1, xmm0);

    __ mulsd(xmm1, xmm0);

    __ subsd(xmm1, xmm0);

    __ divsd(xmm1, xmm0);

    __ ucomisd(xmm0, xmm1);

    __ andpd(xmm0, xmm1);

  }

  // cmov.

  {

    __ cmovq(overflow, rax, Operand(rax, 0));

    __ cmovq(no_overflow, rax, Operand(rax, 1));

    __ cmovq(below, rax, Operand(rax, 2));

    __ cmovq(above_equal, rax, Operand(rax, 3));

    __ cmovq(equal, rax, Operand(rbx, 0));

    __ cmovq(not_equal, rax, Operand(rbx, 1));

    __ cmovq(below_equal, rax, Operand(rbx, 2));

    __ cmovq(above, rax, Operand(rbx, 3));

    __ cmovq(sign, rax, Operand(rcx, 0));

    __ cmovq(not_sign, rax, Operand(rcx, 1));

    __ cmovq(parity_even, rax, Operand(rcx, 2));

    __ cmovq(parity_odd, rax, Operand(rcx, 3));

    __ cmovq(less, rax, Operand(rdx, 0));

    __ cmovq(greater_equal, rax, Operand(rdx, 1));

    __ cmovq(less_equal, rax, Operand(rdx, 2));

    __ cmovq(greater, rax, Operand(rdx, 3));

  }

  {

    if (CpuFeatures::IsSupported(SSE4_1)) {

      CpuFeatureScope scope(&assm, SSE4_1);

      __ extractps(rax, xmm1, 0);

    }

  }

  // Nop instructions

  for (int i = 0; i < 16; i++) {

    __ Nop(i);

  }

  __ ret(0);

  CodeDesc desc;

  assm.GetCode(&desc);

  Object* code = CcTest::heap()->CreateCode(

      desc,

      Code::ComputeFlags(Code::STUB),

      Handle<Code>())->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 __