13d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// Copyright 2013 the V8 project authors. All rights reserved. 23d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// Redistribution and use in source and binary forms, with or without 33d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// modification, are permitted provided that the following conditions are 43d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// met: 53d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// 63d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// * Redistributions of source code must retain the above copyright 73d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// notice, this list of conditions and the following disclaimer. 83d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// * Redistributions in binary form must reproduce the above 93d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// copyright notice, this list of conditions and the following 103d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// disclaimer in the documentation and/or other materials provided 113d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// with the distribution. 123d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// * Neither the name of Google Inc. nor the names of its 133d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// contributors may be used to endorse or promote products derived 143d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// from this software without specific prior written permission. 153d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// 163d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 173d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 183d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 193d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 203d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 213d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 223d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 233d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 243d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 253d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 263d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 273d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 283d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org#include <stdlib.h> 293d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 30196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/v8.h" 314b0feeef5d01dbc2948080b4f69daa37e1083461machenbach@chromium.org#include "test/cctest/cctest.h" 324b0feeef5d01dbc2948080b4f69daa37e1083461machenbach@chromium.org 33196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/macro-assembler.h" 34196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/mips/macro-assembler-mips.h" 35196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/mips/simulator-mips.h" 363d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 373d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 383d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.orgusing namespace v8::internal; 393d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 403d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.orgtypedef void* (*F)(int x, int y, int p2, int p3, int p4); 413d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 423d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org#define __ masm-> 433d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 443d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 453d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.orgstatic byte to_non_zero(int n) { 463d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org return static_cast<unsigned>(n) % 255 + 1; 473d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org} 483d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 493d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 503d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.orgstatic bool all_zeroes(const byte* beg, const byte* end) { 513d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK(beg); 523d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK(beg <= end); 533d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org while (beg < end) { 543d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org if (*beg++ != 0) 553d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org return false; 563d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org } 573d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org return true; 583d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org} 593d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 603d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 613d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.orgTEST(CopyBytes) { 623d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CcTest::InitializeVM(); 633d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org Isolate* isolate = Isolate::Current(); 643d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org HandleScope handles(isolate); 653d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 663d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org const int data_size = 1 * KB; 673d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org size_t act_size; 683d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 693d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org // Allocate two blocks to copy data between. 705de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org byte* src_buffer = 715de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org static_cast<byte*>(v8::base::OS::Allocate(data_size, &act_size, 0)); 723d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK(src_buffer); 733d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK(act_size >= static_cast<size_t>(data_size)); 745de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org byte* dest_buffer = 755de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org static_cast<byte*>(v8::base::OS::Allocate(data_size, &act_size, 0)); 763d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK(dest_buffer); 773d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK(act_size >= static_cast<size_t>(data_size)); 783d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 793d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org // Storage for a0 and a1. 803d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org byte* a0_; 813d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org byte* a1_; 823d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 833d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org MacroAssembler assembler(isolate, NULL, 0); 843d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org MacroAssembler* masm = &assembler; 853d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 863d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org // Code to be generated: The stuff in CopyBytes followed by a store of a0 and 873d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org // a1, respectively. 883d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org __ CopyBytes(a0, a1, a2, a3); 893d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org __ li(a2, Operand(reinterpret_cast<int>(&a0_))); 903d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org __ li(a3, Operand(reinterpret_cast<int>(&a1_))); 913d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org __ sw(a0, MemOperand(a2)); 923d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org __ jr(ra); 933d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org __ sw(a1, MemOperand(a3)); 943d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 953d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CodeDesc desc; 963d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org masm->GetCode(&desc); 979fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Code> code = isolate->factory()->NewCode( 989fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); 993d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 1009fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org ::F f = FUNCTION_CAST< ::F>(code->entry()); 1013d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 1023d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org // Initialise source data with non-zero bytes. 1033d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org for (int i = 0; i < data_size; i++) { 1043d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org src_buffer[i] = to_non_zero(i); 1053d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org } 1063d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 1073d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org const int fuzz = 11; 1083d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 1093d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org for (int size = 0; size < 600; size++) { 1103d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org for (const byte* src = src_buffer; src < src_buffer + fuzz; src++) { 1113d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org for (byte* dest = dest_buffer; dest < dest_buffer + fuzz; dest++) { 1123d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org memset(dest_buffer, 0, data_size); 1133d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK(dest + size < dest_buffer + data_size); 1143d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org (void) CALL_GENERATED_CODE(f, reinterpret_cast<int>(src), 1153d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org reinterpret_cast<int>(dest), size, 0, 0); 1163d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org // a0 and a1 should point at the first byte after the copied data. 1173d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK_EQ(src + size, a0_); 1183d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK_EQ(dest + size, a1_); 1193d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org // Check that we haven't written outside the target area. 1203d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK(all_zeroes(dest_buffer, dest)); 1213d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK(all_zeroes(dest + size, dest_buffer + data_size)); 1223d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org // Check the target area. 1233d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK_EQ(0, memcmp(src, dest, size)); 1243d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org } 1253d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org } 1263d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org } 1273d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 1283d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org // Check that the source data hasn't been clobbered. 1293d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org for (int i = 0; i < data_size; i++) { 1303d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org CHECK(src_buffer[i] == to_non_zero(i)); 1313d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org } 1323d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org} 1333d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 1343d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 135f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.orgstatic void TestNaN(const char *code) { 136f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org // NaN value is different on MIPS and x86 architectures, and TEST(NaNx) 137f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org // tests checks the case where a x86 NaN value is serialized into the 138f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org // snapshot on the simulator during cross compilation. 139f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org v8::HandleScope scope(CcTest::isolate()); 140f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org v8::Local<v8::Context> context = CcTest::NewContext(PRINT_EXTENSION); 141f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org v8::Context::Scope context_scope(context); 142f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org 143f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org v8::Local<v8::Script> script = v8::Script::Compile(v8_str(code)); 144f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org v8::Local<v8::Object> result = v8::Local<v8::Object>::Cast(script->Run()); 145f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org // Have to populate the handle manually, as it's not Cast-able. 146f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org i::Handle<i::JSObject> o = 147f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org v8::Utils::OpenHandle<v8::Object, i::JSObject>(result); 148f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org i::Handle<i::JSArray> array1(reinterpret_cast<i::JSArray*>(*o)); 149f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org i::FixedDoubleArray* a = i::FixedDoubleArray::cast(array1->elements()); 150f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org double value = a->get_scalar(0); 151f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CHECK(std::isnan(value) && 152e20e19efeef112c26d0e63b1e5118e695b42d855machenbach@chromium.org bit_cast<uint64_t>(value) == 153e20e19efeef112c26d0e63b1e5118e695b42d855machenbach@chromium.org bit_cast<uint64_t>( 154e20e19efeef112c26d0e63b1e5118e695b42d855machenbach@chromium.org i::FixedDoubleArray::canonical_not_the_hole_nan_as_double())); 155f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org} 156f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org 157f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org 158f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.orgTEST(NaN0) { 159f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org TestNaN( 160f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org "var result;" 161f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org "for (var i = 0; i < 2; i++) {" 162f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org " result = new Array(Number.NaN, Number.POSITIVE_INFINITY);" 163f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org "}" 164f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org "result;"); 165f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org} 166f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org 167f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org 168f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.orgTEST(NaN1) { 169f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org TestNaN( 170f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org "var result;" 171f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org "for (var i = 0; i < 2; i++) {" 172f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org " result = [NaN];" 173f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org "}" 174f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org "result;"); 175f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org} 176f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org 1773d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org 1783d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org#undef __ 179