386 lines
10 KiB
C++
386 lines
10 KiB
C++
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// Copyright 2011 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 "debug.h"
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#include "disasm.h"
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#include "disassembler.h"
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#include "macro-assembler.h"
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#include "serialize.h"
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#include "stub-cache.h"
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#include "cctest.h"
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using namespace v8::internal;
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#define __ assm.
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static void DummyStaticFunction(Object* result) {
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}
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TEST(DisasmIa320) {
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CcTest::InitializeVM();
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Isolate* isolate = CcTest::i_isolate();
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HandleScope scope(isolate);
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v8::internal::byte buffer[2048];
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Assembler assm(isolate, buffer, sizeof buffer);
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DummyStaticFunction(NULL); // just bloody use it (DELETE; debugging)
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// Short immediate instructions
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__ adc(eax, 12345678);
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__ add(eax, Immediate(12345678));
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__ or_(eax, 12345678);
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__ sub(eax, Immediate(12345678));
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__ xor_(eax, 12345678);
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__ and_(eax, 12345678);
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Handle<FixedArray> foo = isolate->factory()->NewFixedArray(10, TENURED);
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__ cmp(eax, foo);
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// ---- This one caused crash
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__ mov(ebx, Operand(esp, ecx, times_2, 0)); // [esp+ecx*4]
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// ---- All instructions that I can think of
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__ add(edx, ebx);
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__ add(edx, Operand(12, RelocInfo::NONE32));
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__ add(edx, Operand(ebx, 0));
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__ add(edx, Operand(ebx, 16));
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__ add(edx, Operand(ebx, 1999));
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__ add(edx, Operand(ebx, -4));
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__ add(edx, Operand(ebx, -1999));
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__ add(edx, Operand(esp, 0));
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__ add(edx, Operand(esp, 16));
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__ add(edx, Operand(esp, 1999));
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__ add(edx, Operand(esp, -4));
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__ add(edx, Operand(esp, -1999));
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__ nop();
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__ add(esi, Operand(ecx, times_4, 0));
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__ add(esi, Operand(ecx, times_4, 24));
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__ add(esi, Operand(ecx, times_4, -4));
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__ add(esi, Operand(ecx, times_4, -1999));
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__ nop();
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__ add(edi, Operand(ebp, ecx, times_4, 0));
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__ add(edi, Operand(ebp, ecx, times_4, 12));
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__ add(edi, Operand(ebp, ecx, times_4, -8));
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__ add(edi, Operand(ebp, ecx, times_4, -3999));
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__ add(Operand(ebp, ecx, times_4, 12), Immediate(12));
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__ nop();
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__ add(ebx, Immediate(12));
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__ nop();
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__ adc(ecx, 12);
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__ adc(ecx, 1000);
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__ nop();
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__ and_(edx, 3);
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__ and_(edx, Operand(esp, 4));
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__ cmp(edx, 3);
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__ cmp(edx, Operand(esp, 4));
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__ cmp(Operand(ebp, ecx, times_4, 0), Immediate(1000));
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Handle<FixedArray> foo2 = isolate->factory()->NewFixedArray(10, TENURED);
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__ cmp(ebx, foo2);
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__ cmpb(ebx, Operand(ebp, ecx, times_2, 0));
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__ cmpb(Operand(ebp, ecx, times_2, 0), ebx);
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__ or_(edx, 3);
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__ xor_(edx, 3);
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__ nop();
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__ cpuid();
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__ movsx_b(edx, ecx);
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__ movsx_w(edx, ecx);
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__ movzx_b(edx, ecx);
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__ movzx_w(edx, ecx);
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__ nop();
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__ imul(edx, ecx);
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__ shld(edx, ecx);
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__ shrd(edx, ecx);
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__ bts(edx, ecx);
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__ bts(Operand(ebx, ecx, times_4, 0), ecx);
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__ nop();
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__ pushad();
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__ popad();
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__ pushfd();
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__ popfd();
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__ push(Immediate(12));
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__ push(Immediate(23456));
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__ push(ecx);
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__ push(esi);
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__ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
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__ push(Operand(ebx, ecx, times_4, 0));
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__ push(Operand(ebx, ecx, times_4, 0));
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__ push(Operand(ebx, ecx, times_4, 10000));
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__ pop(edx);
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__ pop(eax);
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__ pop(Operand(ebx, ecx, times_4, 0));
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__ nop();
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__ add(edx, Operand(esp, 16));
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__ add(edx, ecx);
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__ mov_b(edx, ecx);
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__ mov_b(ecx, 6);
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__ mov_b(Operand(ebx, ecx, times_4, 10000), 6);
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__ mov_b(Operand(esp, 16), edx);
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__ mov_w(edx, Operand(esp, 16));
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__ mov_w(Operand(esp, 16), edx);
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__ nop();
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__ movsx_w(edx, Operand(esp, 12));
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__ movsx_b(edx, Operand(esp, 12));
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__ movzx_w(edx, Operand(esp, 12));
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__ movzx_b(edx, Operand(esp, 12));
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__ nop();
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__ mov(edx, 1234567);
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__ mov(edx, Operand(esp, 12));
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__ mov(Operand(ebx, ecx, times_4, 10000), Immediate(12345));
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__ mov(Operand(ebx, ecx, times_4, 10000), edx);
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__ nop();
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__ dec_b(edx);
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__ dec_b(Operand(eax, 10));
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__ dec_b(Operand(ebx, ecx, times_4, 10000));
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__ dec(edx);
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__ cdq();
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__ nop();
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__ idiv(edx);
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__ mul(edx);
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__ neg(edx);
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__ not_(edx);
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__ test(Operand(ebx, ecx, times_4, 10000), Immediate(123456));
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__ imul(edx, Operand(ebx, ecx, times_4, 10000));
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__ imul(edx, ecx, 12);
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__ imul(edx, ecx, 1000);
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__ inc(edx);
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__ inc(Operand(ebx, ecx, times_4, 10000));
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__ push(Operand(ebx, ecx, times_4, 10000));
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__ pop(Operand(ebx, ecx, times_4, 10000));
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__ call(Operand(ebx, ecx, times_4, 10000));
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__ jmp(Operand(ebx, ecx, times_4, 10000));
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__ lea(edx, Operand(ebx, ecx, times_4, 10000));
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__ or_(edx, 12345);
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__ or_(edx, Operand(ebx, ecx, times_4, 10000));
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__ nop();
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__ rcl(edx, 1);
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__ rcl(edx, 7);
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__ rcr(edx, 1);
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__ rcr(edx, 7);
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__ sar(edx, 1);
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__ sar(edx, 6);
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__ sar_cl(edx);
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__ sbb(edx, Operand(ebx, ecx, times_4, 10000));
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__ shld(edx, Operand(ebx, ecx, times_4, 10000));
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__ shl(edx, 1);
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__ shl(edx, 6);
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__ shl_cl(edx);
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__ shrd(edx, Operand(ebx, ecx, times_4, 10000));
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__ shr(edx, 1);
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__ shr(edx, 7);
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__ shr_cl(edx);
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// Immediates
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__ adc(edx, 12345);
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__ add(ebx, Immediate(12));
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__ add(Operand(edx, ecx, times_4, 10000), Immediate(12));
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__ and_(ebx, 12345);
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__ cmp(ebx, 12345);
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__ cmp(ebx, Immediate(12));
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__ cmp(Operand(edx, ecx, times_4, 10000), Immediate(12));
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__ cmpb(eax, 100);
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__ or_(ebx, 12345);
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__ sub(ebx, Immediate(12));
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__ sub(Operand(edx, ecx, times_4, 10000), Immediate(12));
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__ xor_(ebx, 12345);
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__ imul(edx, ecx, 12);
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__ imul(edx, ecx, 1000);
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__ cld();
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__ rep_movs();
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__ rep_stos();
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__ stos();
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__ sub(edx, Operand(ebx, ecx, times_4, 10000));
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__ sub(edx, ebx);
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__ test(edx, Immediate(12345));
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__ test(edx, Operand(ebx, ecx, times_8, 10000));
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__ test(Operand(esi, edi, times_1, -20000000), Immediate(300000000));
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__ test_b(edx, Operand(ecx, ebx, times_2, 1000));
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__ test_b(Operand(eax, -20), 0x9A);
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__ nop();
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__ xor_(edx, 12345);
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__ xor_(edx, Operand(ebx, ecx, times_8, 10000));
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__ bts(Operand(ebx, ecx, times_8, 10000), edx);
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__ hlt();
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__ int3();
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__ ret(0);
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__ ret(8);
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// Calls
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Label L1, L2;
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__ bind(&L1);
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__ nop();
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__ call(&L1);
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__ call(&L2);
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__ nop();
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__ bind(&L2);
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__ call(Operand(ebx, ecx, times_4, 10000));
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__ nop();
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Handle<Code> ic(LoadIC::initialize_stub(isolate, NOT_CONTEXTUAL));
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__ call(ic, RelocInfo::CODE_TARGET);
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__ nop();
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__ call(FUNCTION_ADDR(DummyStaticFunction), RelocInfo::RUNTIME_ENTRY);
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__ nop();
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__ jmp(&L1);
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__ jmp(Operand(ebx, ecx, times_4, 10000));
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ExternalReference after_break_target =
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ExternalReference::debug_after_break_target_address(isolate);
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__ jmp(Operand::StaticVariable(after_break_target));
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__ jmp(ic, RelocInfo::CODE_TARGET);
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__ nop();
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Label Ljcc;
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__ nop();
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// long jumps
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__ j(overflow, &Ljcc);
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__ j(no_overflow, &Ljcc);
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__ j(below, &Ljcc);
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__ j(above_equal, &Ljcc);
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__ j(equal, &Ljcc);
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__ j(not_equal, &Ljcc);
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__ j(below_equal, &Ljcc);
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__ j(above, &Ljcc);
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__ j(sign, &Ljcc);
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__ j(not_sign, &Ljcc);
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__ j(parity_even, &Ljcc);
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__ j(parity_odd, &Ljcc);
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__ j(less, &Ljcc);
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__ j(greater_equal, &Ljcc);
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__ j(less_equal, &Ljcc);
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__ j(greater, &Ljcc);
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__ nop();
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__ bind(&Ljcc);
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// short jumps
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__ j(overflow, &Ljcc);
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__ j(no_overflow, &Ljcc);
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__ j(below, &Ljcc);
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__ j(above_equal, &Ljcc);
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__ j(equal, &Ljcc);
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__ j(not_equal, &Ljcc);
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__ j(below_equal, &Ljcc);
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__ j(above, &Ljcc);
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__ j(sign, &Ljcc);
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__ j(not_sign, &Ljcc);
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__ j(parity_even, &Ljcc);
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__ j(parity_odd, &Ljcc);
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__ j(less, &Ljcc);
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__ j(greater_equal, &Ljcc);
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__ j(less_equal, &Ljcc);
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__ j(greater, &Ljcc);
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// 0xD9 instructions
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__ nop();
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__ fld(1);
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__ fld1();
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__ fldz();
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__ fldpi();
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__ fabs();
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__ fchs();
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__ fprem();
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__ fprem1();
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__ fincstp();
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__ ftst();
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__ fxch(3);
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__ fld_s(Operand(ebx, ecx, times_4, 10000));
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__ fstp_s(Operand(ebx, ecx, times_4, 10000));
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__ ffree(3);
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__ fld_d(Operand(ebx, ecx, times_4, 10000));
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__ fstp_d(Operand(ebx, ecx, times_4, 10000));
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__ nop();
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__ fild_s(Operand(ebx, ecx, times_4, 10000));
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__ fistp_s(Operand(ebx, ecx, times_4, 10000));
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__ fild_d(Operand(ebx, ecx, times_4, 10000));
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__ 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();
|
||
|
|
__ frndint();
|
||
|
|
__ fninit();
|
||
|
|
__ nop();
|
||
|
|
|
||
|
|
// Nop instructions
|
||
|
|
for (int i = 0; i < 16; i++) {
|
||
|
|
__ Nop(i);
|
||
|
|
}
|
||
|
|
|
||
|
|
__ ret(0);
|
||
|
|
|
||
|
|
CodeDesc desc;
|
||
|
|
assm.GetCode(&desc);
|
||
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
||
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
||
|
|
USE(code);
|
||
|
|
#ifdef OBJECT_PRINT
|
||
|
|
code->Print();
|
||
|
|
byte* begin = code->instruction_start();
|
||
|
|
byte* end = begin + code->instruction_size();
|
||
|
|
disasm::Disassembler::Disassemble(stdout, begin, end);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
#undef __
|