| // Copyright 2007-2008 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(buffer, sizeof buffer); |
| DummyStaticFunction(NULL); // just bloody use it (DELETE; debugging) |
| |
| // Short immediate instructions |
| __ adc(eax, 12345678); |
| __ add(Operand(eax), Immediate(12345678)); |
| __ or_(eax, 12345678); |
| __ sub(Operand(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, Operand(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(Operand(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, Operand(ecx)); |
| __ movsx_w(edx, Operand(ecx)); |
| __ movzx_b(edx, Operand(ecx)); |
| __ movzx_w(edx, Operand(ecx)); |
| |
| __ nop(); |
| __ imul(edx, Operand(ecx)); |
| __ shld(edx, Operand(ecx)); |
| __ shrd(edx, Operand(ecx)); |
| __ bts(Operand(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, Operand(ecx)); |
| __ mov_b(edx, Operand(ecx)); |
| __ mov_b(Operand(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(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); |
| __ 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(Operand(ebx), Immediate(12)); |
| __ add(Operand(edx, ecx, times_4, 10000), Immediate(12)); |
| |
| __ and_(ebx, 12345); |
| |
| __ cmp(ebx, 12345); |
| __ cmp(Operand(ebx), Immediate(12)); |
| __ cmp(Operand(edx, ecx, times_4, 10000), Immediate(12)); |
| |
| __ or_(ebx, 12345); |
| |
| __ sub(Operand(ebx), Immediate(12)); |
| __ sub(Operand(edx, ecx, times_4, 10000), Immediate(12)); |
| __ subb(Operand(edx, ecx, times_4, 10000), 100); |
| __ subb(Operand(eax), 100); |
| __ subb(eax, Operand(edx, ecx, times_4, 10000)); |
| |
| __ xor_(ebx, 12345); |
| |
| __ imul(edx, ecx, 12); |
| __ imul(edx, ecx, 1000); |
| |
| __ rep_movs(); |
| |
| __ sub(edx, Operand(ebx, ecx, times_4, 10000)); |
| __ sub(edx, Operand(ebx)); |
| |
| __ test(edx, Immediate(12345)); |
| __ test(edx, Operand(ebx, ecx, times_8, 10000)); |
| __ 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(Builtins::builtin(Builtins::LoadIC_Initialize)); |
| __ 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_Address::AfterBreakTarget()); |
| __ 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); |
| |
| // checking hints |
| __ j(zero, &Ljcc, taken); |
| __ j(zero, &Ljcc, not_taken); |
| |
| // __ mov(Operand::StaticVariable(Top::handler_address()), eax); |
| // 0xD9 instructions |
| __ nop(); |
| |
| __ fld1(); |
| __ fldz(); |
| __ 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(); |
| { |
| CHECK(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); |
| __ comisd(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. |
| { |
| CHECK(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)); |
| } |
| |
| __ ret(0); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = Heap::CreateCode(desc, |
| NULL, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Object>(Heap::undefined_value())); |
| CHECK(code->IsCode()); |
| #ifdef DEBUG |
| 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 __ |
