// 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 #include "src/v8.h" #include "src/debug.h" #include "src/disasm.h" #include "src/disassembler.h" #include "src/ic/ic.h" #include "src/macro-assembler.h" #include "src/serialize.h" #include "test/cctest/cctest.h" using namespace v8::internal; #define __ assm. static void DummyStaticFunction(Object* result) { } TEST(DisasmIa320) { CcTest::InitializeVM(); Isolate* isolate = CcTest::i_isolate(); HandleScope scope(isolate); v8::internal::byte buffer[4096]; Assembler assm(isolate, 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 foo = isolate->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::NONE32)); __ add(edx, Operand(ebx, 0)); __ add(edx, Operand(ebx, 16)); __ add(edx, Operand(ebx, 1999)); __ add(edx, Operand(ebx, -4)); __ add(edx, Operand(ebx, -1999)); __ add(edx, Operand(esp, 0)); __ add(edx, Operand(esp, 16)); __ add(edx, Operand(esp, 1999)); __ add(edx, Operand(esp, -4)); __ add(edx, Operand(esp, -1999)); __ nop(); __ add(esi, Operand(ecx, times_4, 0)); __ add(esi, Operand(ecx, times_4, 24)); __ add(esi, Operand(ecx, times_4, -4)); __ add(esi, Operand(ecx, times_4, -1999)); __ nop(); __ add(edi, Operand(ebp, ecx, times_4, 0)); __ add(edi, Operand(ebp, ecx, times_4, 12)); __ add(edi, Operand(ebp, ecx, times_4, -8)); __ add(edi, Operand(ebp, ecx, times_4, -3999)); __ 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 foo2 = isolate->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(); __ cpuid(); __ 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); __ idiv(Operand(edx, ecx, times_1, 1)); __ idiv(Operand(esp, 12)); __ div(edx); __ div(Operand(edx, ecx, times_1, 1)); __ div(Operand(esp, 12)); __ 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, Operand(edx, eax, times_2, 42), 8); __ imul(edx, ecx, 1000); __ imul(edx, Operand(ebx, ecx, times_4, 1), 9000); __ 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); __ ror(edx, 1); __ ror(edx, 6); __ ror_cl(edx); __ ror(Operand(ebx, ecx, times_4, 10000), 1); __ ror(Operand(ebx, ecx, times_4, 10000), 6); __ ror_cl(Operand(ebx, ecx, times_4, 10000)); __ sar(edx, 1); __ sar(edx, 6); __ sar_cl(edx); __ sar(Operand(ebx, ecx, times_4, 10000), 1); __ sar(Operand(ebx, ecx, times_4, 10000), 6); __ sar_cl(Operand(ebx, ecx, times_4, 10000)); __ 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); __ shl(Operand(ebx, ecx, times_4, 10000), 1); __ shl(Operand(ebx, ecx, times_4, 10000), 6); __ shl_cl(Operand(ebx, ecx, times_4, 10000)); __ shrd(edx, Operand(ebx, ecx, times_4, 10000)); __ shr(edx, 1); __ shr(edx, 7); __ shr_cl(edx); __ shr(Operand(ebx, ecx, times_4, 10000), 1); __ shr(Operand(ebx, ecx, times_4, 10000), 6); __ shr_cl(Operand(ebx, ecx, times_4, 10000)); // 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 ic(LoadIC::initialize_stub(isolate, NOT_CONTEXTUAL)); __ call(ic, RelocInfo::CODE_TARGET); __ nop(); __ call(FUNCTION_ADDR(DummyStaticFunction), RelocInfo::RUNTIME_ENTRY); __ nop(); __ jmp(&L1); __ jmp(Operand(ebx, ecx, times_4, 10000)); ExternalReference after_break_target = ExternalReference::debug_after_break_target_address(isolate); __ jmp(Operand::StaticVariable(after_break_target)); __ 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(); __ frndint(); __ fninit(); __ nop(); // SSE instruction { // Move operation __ movaps(xmm0, xmm1); __ shufps(xmm0, xmm0, 0x0); __ cvtsd2ss(xmm0, xmm1); __ cvtsd2ss(xmm0, Operand(ebx, ecx, times_4, 10000)); // logic operation __ andps(xmm0, xmm1); __ andps(xmm0, Operand(ebx, ecx, times_4, 10000)); __ orps(xmm0, xmm1); __ orps(xmm0, Operand(ebx, ecx, times_4, 10000)); __ xorps(xmm0, xmm1); __ xorps(xmm0, Operand(ebx, ecx, times_4, 10000)); // Arithmetic operation __ addss(xmm1, xmm0); __ addss(xmm1, Operand(ebx, ecx, times_4, 10000)); __ mulss(xmm1, xmm0); __ mulss(xmm1, Operand(ebx, ecx, times_4, 10000)); __ subss(xmm1, xmm0); __ subss(xmm1, Operand(ebx, ecx, times_4, 10000)); __ divss(xmm1, xmm0); __ divss(xmm1, Operand(ebx, ecx, times_4, 10000)); __ addps(xmm1, xmm0); __ addps(xmm1, Operand(ebx, ecx, times_4, 10000)); __ subps(xmm1, xmm0); __ subps(xmm1, Operand(ebx, ecx, times_4, 10000)); __ mulps(xmm1, xmm0); __ mulps(xmm1, Operand(ebx, ecx, times_4, 10000)); __ divps(xmm1, xmm0); __ divps(xmm1, Operand(ebx, ecx, times_4, 10000)); __ ucomiss(xmm0, xmm1); __ ucomiss(xmm0, Operand(ebx, ecx, times_4, 10000)); } { __ cvttss2si(edx, Operand(ebx, ecx, times_4, 10000)); __ cvtsi2sd(xmm1, Operand(ebx, ecx, times_4, 10000)); __ cvtss2sd(xmm1, Operand(ebx, ecx, times_4, 10000)); __ cvtss2sd(xmm1, xmm0); __ movsd(xmm1, Operand(ebx, ecx, times_4, 10000)); __ movsd(Operand(ebx, ecx, times_4, 10000), 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); __ addsd(xmm1, xmm0); __ addsd(xmm1, Operand(ebx, ecx, times_4, 10000)); __ mulsd(xmm1, xmm0); __ mulsd(xmm1, Operand(ebx, ecx, times_4, 10000)); __ subsd(xmm1, xmm0); __ subsd(xmm1, Operand(ebx, ecx, times_4, 10000)); __ divsd(xmm1, xmm0); __ divsd(xmm1, Operand(ebx, ecx, times_4, 10000)); __ ucomisd(xmm0, xmm1); __ cmpltsd(xmm0, xmm1); __ andpd(xmm0, xmm1); __ psllq(xmm0, 17); __ psllq(xmm0, xmm1); __ psrlq(xmm0, 17); __ psrlq(xmm0, xmm1); __ por(xmm0, xmm1); } // 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)); } { if (CpuFeatures::IsSupported(SSE4_1)) { CpuFeatureScope scope(&assm, SSE4_1); __ pextrd(eax, xmm0, 1); __ pinsrd(xmm1, eax, 0); __ extractps(eax, xmm1, 0); } } // AVX instruction { if (CpuFeatures::IsSupported(AVX)) { CpuFeatureScope scope(&assm, AVX); __ vaddsd(xmm0, xmm1, xmm2); __ vaddsd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vmulsd(xmm0, xmm1, xmm2); __ vmulsd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vsubsd(xmm0, xmm1, xmm2); __ vsubsd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vdivsd(xmm0, xmm1, xmm2); __ vdivsd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); } } // FMA3 instruction { if (CpuFeatures::IsSupported(FMA3)) { CpuFeatureScope scope(&assm, FMA3); __ vfmadd132sd(xmm0, xmm1, xmm2); __ vfmadd132sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmadd213sd(xmm0, xmm1, xmm2); __ vfmadd213sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmadd231sd(xmm0, xmm1, xmm2); __ vfmadd231sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmsub132sd(xmm0, xmm1, xmm2); __ vfmsub132sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmsub213sd(xmm0, xmm1, xmm2); __ vfmsub213sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmsub231sd(xmm0, xmm1, xmm2); __ vfmsub231sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmadd132sd(xmm0, xmm1, xmm2); __ vfnmadd132sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmadd213sd(xmm0, xmm1, xmm2); __ vfnmadd213sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmadd231sd(xmm0, xmm1, xmm2); __ vfnmadd231sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmsub132sd(xmm0, xmm1, xmm2); __ vfnmsub132sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmsub213sd(xmm0, xmm1, xmm2); __ vfnmsub213sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmsub231sd(xmm0, xmm1, xmm2); __ vfnmsub231sd(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmadd132ss(xmm0, xmm1, xmm2); __ vfmadd132ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmadd213ss(xmm0, xmm1, xmm2); __ vfmadd213ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmadd231ss(xmm0, xmm1, xmm2); __ vfmadd231ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmsub132ss(xmm0, xmm1, xmm2); __ vfmsub132ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmsub213ss(xmm0, xmm1, xmm2); __ vfmsub213ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfmsub231ss(xmm0, xmm1, xmm2); __ vfmsub231ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmadd132ss(xmm0, xmm1, xmm2); __ vfnmadd132ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmadd213ss(xmm0, xmm1, xmm2); __ vfnmadd213ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmadd231ss(xmm0, xmm1, xmm2); __ vfnmadd231ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmsub132ss(xmm0, xmm1, xmm2); __ vfnmsub132ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmsub213ss(xmm0, xmm1, xmm2); __ vfnmsub213ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); __ vfnmsub231ss(xmm0, xmm1, xmm2); __ vfnmsub231ss(xmm0, xmm1, Operand(ebx, ecx, times_4, 10000)); } } // xchg. { __ xchg(eax, eax); __ xchg(eax, ebx); __ xchg(ebx, ebx); __ xchg(ebx, Operand(esp, 12)); } // Nop instructions for (int i = 0; i < 16; i++) { __ Nop(i); } __ ret(0); CodeDesc desc; assm.GetCode(&desc); Handle code = isolate->factory()->NewCode( desc, Code::ComputeFlags(Code::STUB), Handle()); USE(code); #ifdef OBJECT_PRINT OFStream os(stdout); code->Print(os); byte* begin = code->instruction_start(); byte* end = begin + code->instruction_size(); disasm::Disassembler::Disassemble(stdout, begin, end); #endif } #undef __