04a5b3d6b6
This reverts r14573 because of test failures in no-snapshot mode in the cctest/test-debug/ScriptCollectedEventContext test case. TBR=dcarney@chromium.org,svenpanne@chromium.org TEST=cctest/test-debug/ScriptCollectedEventContext Review URL: https://codereview.chromium.org/15038002 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14578 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
610 lines
20 KiB
C++
610 lines
20 KiB
C++
// Copyright 2007-2010 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 <signal.h>
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#include "sys/stat.h"
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// TODO(dcarney): remove
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#define V8_ALLOW_ACCESS_TO_PERSISTENT_IMPLICIT
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#define V8_ALLOW_ACCESS_TO_PERSISTENT_ARROW
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#include "v8.h"
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#include "debug.h"
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#include "ic-inl.h"
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#include "runtime.h"
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#include "serialize.h"
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#include "scopeinfo.h"
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#include "snapshot.h"
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#include "cctest.h"
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#include "spaces.h"
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#include "objects.h"
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#include "natives.h"
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#include "bootstrapper.h"
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using namespace v8::internal;
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static const unsigned kCounters = 256;
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static int local_counters[kCounters];
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static const char* local_counter_names[kCounters];
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static unsigned CounterHash(const char* s) {
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unsigned hash = 0;
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while (*++s) {
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hash |= hash << 5;
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hash += *s;
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}
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return hash;
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}
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// Callback receiver to track counters in test.
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static int* counter_function(const char* name) {
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unsigned hash = CounterHash(name) % kCounters;
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unsigned original_hash = hash;
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USE(original_hash);
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while (true) {
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if (local_counter_names[hash] == name) {
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return &local_counters[hash];
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}
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if (local_counter_names[hash] == 0) {
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local_counter_names[hash] = name;
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return &local_counters[hash];
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}
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if (strcmp(local_counter_names[hash], name) == 0) {
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return &local_counters[hash];
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}
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hash = (hash + 1) % kCounters;
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ASSERT(hash != original_hash); // Hash table has been filled up.
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}
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}
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template <class T>
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static Address AddressOf(T id) {
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return ExternalReference(id, i::Isolate::Current()).address();
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}
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template <class T>
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static uint32_t Encode(const ExternalReferenceEncoder& encoder, T id) {
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return encoder.Encode(AddressOf(id));
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}
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static int make_code(TypeCode type, int id) {
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return static_cast<uint32_t>(type) << kReferenceTypeShift | id;
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}
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TEST(ExternalReferenceEncoder) {
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Isolate* isolate = i::Isolate::Current();
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isolate->stats_table()->SetCounterFunction(counter_function);
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v8::V8::Initialize();
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ExternalReferenceEncoder encoder;
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CHECK_EQ(make_code(BUILTIN, Builtins::kArrayCode),
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Encode(encoder, Builtins::kArrayCode));
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CHECK_EQ(make_code(v8::internal::RUNTIME_FUNCTION, Runtime::kAbort),
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Encode(encoder, Runtime::kAbort));
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ExternalReference keyed_load_function_prototype =
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ExternalReference(isolate->counters()->keyed_load_function_prototype());
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CHECK_EQ(make_code(STATS_COUNTER, Counters::k_keyed_load_function_prototype),
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encoder.Encode(keyed_load_function_prototype.address()));
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ExternalReference stack_limit_address =
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ExternalReference::address_of_stack_limit(isolate);
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CHECK_EQ(make_code(UNCLASSIFIED, 4),
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encoder.Encode(stack_limit_address.address()));
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ExternalReference real_stack_limit_address =
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ExternalReference::address_of_real_stack_limit(isolate);
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CHECK_EQ(make_code(UNCLASSIFIED, 5),
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encoder.Encode(real_stack_limit_address.address()));
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#ifdef ENABLE_DEBUGGER_SUPPORT
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CHECK_EQ(make_code(UNCLASSIFIED, 16),
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encoder.Encode(ExternalReference::debug_break(isolate).address()));
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#endif // ENABLE_DEBUGGER_SUPPORT
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CHECK_EQ(make_code(UNCLASSIFIED, 10),
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encoder.Encode(
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ExternalReference::new_space_start(isolate).address()));
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CHECK_EQ(make_code(UNCLASSIFIED, 3),
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encoder.Encode(
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ExternalReference::roots_array_start(isolate).address()));
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CHECK_EQ(make_code(UNCLASSIFIED, 52),
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encoder.Encode(ExternalReference::cpu_features().address()));
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}
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TEST(ExternalReferenceDecoder) {
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Isolate* isolate = i::Isolate::Current();
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isolate->stats_table()->SetCounterFunction(counter_function);
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v8::V8::Initialize();
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ExternalReferenceDecoder decoder;
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CHECK_EQ(AddressOf(Builtins::kArrayCode),
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decoder.Decode(make_code(BUILTIN, Builtins::kArrayCode)));
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CHECK_EQ(AddressOf(Runtime::kAbort),
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decoder.Decode(make_code(v8::internal::RUNTIME_FUNCTION,
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Runtime::kAbort)));
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ExternalReference keyed_load_function =
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ExternalReference(isolate->counters()->keyed_load_function_prototype());
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CHECK_EQ(keyed_load_function.address(),
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decoder.Decode(
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make_code(STATS_COUNTER,
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Counters::k_keyed_load_function_prototype)));
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CHECK_EQ(ExternalReference::address_of_stack_limit(isolate).address(),
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decoder.Decode(make_code(UNCLASSIFIED, 4)));
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CHECK_EQ(ExternalReference::address_of_real_stack_limit(isolate).address(),
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decoder.Decode(make_code(UNCLASSIFIED, 5)));
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#ifdef ENABLE_DEBUGGER_SUPPORT
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CHECK_EQ(ExternalReference::debug_break(isolate).address(),
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decoder.Decode(make_code(UNCLASSIFIED, 16)));
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#endif // ENABLE_DEBUGGER_SUPPORT
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CHECK_EQ(ExternalReference::new_space_start(isolate).address(),
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decoder.Decode(make_code(UNCLASSIFIED, 10)));
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}
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class FileByteSink : public SnapshotByteSink {
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public:
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explicit FileByteSink(const char* snapshot_file) {
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fp_ = OS::FOpen(snapshot_file, "wb");
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file_name_ = snapshot_file;
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if (fp_ == NULL) {
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PrintF("Unable to write to snapshot file \"%s\"\n", snapshot_file);
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exit(1);
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}
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}
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virtual ~FileByteSink() {
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if (fp_ != NULL) {
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fclose(fp_);
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}
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}
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virtual void Put(int byte, const char* description) {
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if (fp_ != NULL) {
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fputc(byte, fp_);
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}
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}
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virtual int Position() {
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return ftell(fp_);
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}
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void WriteSpaceUsed(
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int new_space_used,
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int pointer_space_used,
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int data_space_used,
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int code_space_used,
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int map_space_used,
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int cell_space_used);
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private:
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FILE* fp_;
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const char* file_name_;
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};
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void FileByteSink::WriteSpaceUsed(
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int new_space_used,
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int pointer_space_used,
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int data_space_used,
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int code_space_used,
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int map_space_used,
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int cell_space_used) {
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int file_name_length = StrLength(file_name_) + 10;
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Vector<char> name = Vector<char>::New(file_name_length + 1);
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OS::SNPrintF(name, "%s.size", file_name_);
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FILE* fp = OS::FOpen(name.start(), "w");
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name.Dispose();
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fprintf(fp, "new %d\n", new_space_used);
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fprintf(fp, "pointer %d\n", pointer_space_used);
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fprintf(fp, "data %d\n", data_space_used);
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fprintf(fp, "code %d\n", code_space_used);
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fprintf(fp, "map %d\n", map_space_used);
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fprintf(fp, "cell %d\n", cell_space_used);
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fclose(fp);
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}
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static bool WriteToFile(const char* snapshot_file) {
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FileByteSink file(snapshot_file);
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StartupSerializer ser(&file);
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ser.Serialize();
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file.WriteSpaceUsed(
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ser.CurrentAllocationAddress(NEW_SPACE),
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ser.CurrentAllocationAddress(OLD_POINTER_SPACE),
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ser.CurrentAllocationAddress(OLD_DATA_SPACE),
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ser.CurrentAllocationAddress(CODE_SPACE),
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ser.CurrentAllocationAddress(MAP_SPACE),
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ser.CurrentAllocationAddress(CELL_SPACE));
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return true;
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}
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static void Serialize() {
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// We have to create one context. One reason for this is so that the builtins
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// can be loaded from v8natives.js and their addresses can be processed. This
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// will clear the pending fixups array, which would otherwise contain GC roots
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// that would confuse the serialization/deserialization process.
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v8::Persistent<v8::Context> env = v8::Context::New();
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env.Dispose(env->GetIsolate());
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WriteToFile(FLAG_testing_serialization_file);
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}
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// Test that the whole heap can be serialized.
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TEST(Serialize) {
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if (!Snapshot::HaveASnapshotToStartFrom()) {
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Serializer::Enable();
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v8::V8::Initialize();
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Serialize();
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}
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}
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// Test that heap serialization is non-destructive.
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TEST(SerializeTwice) {
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if (!Snapshot::HaveASnapshotToStartFrom()) {
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Serializer::Enable();
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v8::V8::Initialize();
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Serialize();
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Serialize();
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}
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}
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//----------------------------------------------------------------------------
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// Tests that the heap can be deserialized.
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static void Deserialize() {
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CHECK(Snapshot::Initialize(FLAG_testing_serialization_file));
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}
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static void SanityCheck() {
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v8::HandleScope scope(v8::Isolate::GetCurrent());
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#ifdef VERIFY_HEAP
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HEAP->Verify();
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#endif
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CHECK(Isolate::Current()->global_object()->IsJSObject());
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CHECK(Isolate::Current()->native_context()->IsContext());
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CHECK(HEAP->string_table()->IsStringTable());
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CHECK(!FACTORY->InternalizeOneByteString(
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STATIC_ASCII_VECTOR("Empty"))->IsFailure());
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}
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DEPENDENT_TEST(Deserialize, Serialize) {
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// The serialize-deserialize tests only work if the VM is built without
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// serialization. That doesn't matter. We don't need to be able to
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// serialize a snapshot in a VM that is booted from a snapshot.
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if (!Snapshot::HaveASnapshotToStartFrom()) {
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v8::HandleScope scope(v8::Isolate::GetCurrent());
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Deserialize();
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v8::Persistent<v8::Context> env = v8::Context::New();
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env->Enter();
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SanityCheck();
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}
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}
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DEPENDENT_TEST(DeserializeFromSecondSerialization, SerializeTwice) {
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if (!Snapshot::HaveASnapshotToStartFrom()) {
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v8::HandleScope scope(v8::Isolate::GetCurrent());
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Deserialize();
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v8::Persistent<v8::Context> env = v8::Context::New();
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env->Enter();
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SanityCheck();
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}
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}
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DEPENDENT_TEST(DeserializeAndRunScript2, Serialize) {
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if (!Snapshot::HaveASnapshotToStartFrom()) {
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v8::HandleScope scope(v8::Isolate::GetCurrent());
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Deserialize();
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v8::Persistent<v8::Context> env = v8::Context::New();
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env->Enter();
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const char* c_source = "\"1234\".length";
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v8::Local<v8::String> source = v8::String::New(c_source);
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v8::Local<v8::Script> script = v8::Script::Compile(source);
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CHECK_EQ(4, script->Run()->Int32Value());
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}
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}
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DEPENDENT_TEST(DeserializeFromSecondSerializationAndRunScript2,
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SerializeTwice) {
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if (!Snapshot::HaveASnapshotToStartFrom()) {
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v8::HandleScope scope(v8::Isolate::GetCurrent());
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Deserialize();
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v8::Persistent<v8::Context> env = v8::Context::New();
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env->Enter();
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const char* c_source = "\"1234\".length";
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v8::Local<v8::String> source = v8::String::New(c_source);
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v8::Local<v8::Script> script = v8::Script::Compile(source);
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CHECK_EQ(4, script->Run()->Int32Value());
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}
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}
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TEST(PartialSerialization) {
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if (!Snapshot::HaveASnapshotToStartFrom()) {
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Serializer::Enable();
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v8::V8::Initialize();
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Isolate* isolate = Isolate::Current();
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Heap* heap = isolate->heap();
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v8::Persistent<v8::Context> env = v8::Context::New();
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ASSERT(!env.IsEmpty());
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env->Enter();
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// Make sure all builtin scripts are cached.
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{ HandleScope scope(isolate);
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for (int i = 0; i < Natives::GetBuiltinsCount(); i++) {
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isolate->bootstrapper()->NativesSourceLookup(i);
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}
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}
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heap->CollectAllGarbage(Heap::kNoGCFlags);
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heap->CollectAllGarbage(Heap::kNoGCFlags);
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Object* raw_foo;
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{
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v8::HandleScope handle_scope(env->GetIsolate());
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v8::Local<v8::String> foo = v8::String::New("foo");
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ASSERT(!foo.IsEmpty());
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raw_foo = *(v8::Utils::OpenHandle(*foo));
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}
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int file_name_length = StrLength(FLAG_testing_serialization_file) + 10;
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Vector<char> startup_name = Vector<char>::New(file_name_length + 1);
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OS::SNPrintF(startup_name, "%s.startup", FLAG_testing_serialization_file);
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env->Exit();
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env.Dispose(env->GetIsolate());
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FileByteSink startup_sink(startup_name.start());
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StartupSerializer startup_serializer(&startup_sink);
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startup_serializer.SerializeStrongReferences();
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FileByteSink partial_sink(FLAG_testing_serialization_file);
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PartialSerializer p_ser(&startup_serializer, &partial_sink);
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p_ser.Serialize(&raw_foo);
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startup_serializer.SerializeWeakReferences();
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partial_sink.WriteSpaceUsed(
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p_ser.CurrentAllocationAddress(NEW_SPACE),
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p_ser.CurrentAllocationAddress(OLD_POINTER_SPACE),
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p_ser.CurrentAllocationAddress(OLD_DATA_SPACE),
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p_ser.CurrentAllocationAddress(CODE_SPACE),
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p_ser.CurrentAllocationAddress(MAP_SPACE),
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p_ser.CurrentAllocationAddress(CELL_SPACE));
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startup_sink.WriteSpaceUsed(
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startup_serializer.CurrentAllocationAddress(NEW_SPACE),
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startup_serializer.CurrentAllocationAddress(OLD_POINTER_SPACE),
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startup_serializer.CurrentAllocationAddress(OLD_DATA_SPACE),
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startup_serializer.CurrentAllocationAddress(CODE_SPACE),
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startup_serializer.CurrentAllocationAddress(MAP_SPACE),
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startup_serializer.CurrentAllocationAddress(CELL_SPACE));
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startup_name.Dispose();
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}
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}
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static void ReserveSpaceForSnapshot(Deserializer* deserializer,
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const char* file_name) {
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int file_name_length = StrLength(file_name) + 10;
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Vector<char> name = Vector<char>::New(file_name_length + 1);
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OS::SNPrintF(name, "%s.size", file_name);
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FILE* fp = OS::FOpen(name.start(), "r");
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name.Dispose();
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int new_size, pointer_size, data_size, code_size, map_size, cell_size;
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#ifdef _MSC_VER
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// Avoid warning about unsafe fscanf from MSVC.
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// Please note that this is only fine if %c and %s are not being used.
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#define fscanf fscanf_s
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#endif
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CHECK_EQ(1, fscanf(fp, "new %d\n", &new_size));
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CHECK_EQ(1, fscanf(fp, "pointer %d\n", &pointer_size));
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CHECK_EQ(1, fscanf(fp, "data %d\n", &data_size));
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CHECK_EQ(1, fscanf(fp, "code %d\n", &code_size));
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CHECK_EQ(1, fscanf(fp, "map %d\n", &map_size));
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CHECK_EQ(1, fscanf(fp, "cell %d\n", &cell_size));
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#ifdef _MSC_VER
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#undef fscanf
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#endif
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fclose(fp);
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deserializer->set_reservation(NEW_SPACE, new_size);
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deserializer->set_reservation(OLD_POINTER_SPACE, pointer_size);
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deserializer->set_reservation(OLD_DATA_SPACE, data_size);
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deserializer->set_reservation(CODE_SPACE, code_size);
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deserializer->set_reservation(MAP_SPACE, map_size);
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deserializer->set_reservation(CELL_SPACE, cell_size);
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}
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DEPENDENT_TEST(PartialDeserialization, PartialSerialization) {
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if (!Snapshot::IsEnabled()) {
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int file_name_length = StrLength(FLAG_testing_serialization_file) + 10;
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Vector<char> startup_name = Vector<char>::New(file_name_length + 1);
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OS::SNPrintF(startup_name, "%s.startup", FLAG_testing_serialization_file);
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CHECK(Snapshot::Initialize(startup_name.start()));
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startup_name.Dispose();
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const char* file_name = FLAG_testing_serialization_file;
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int snapshot_size = 0;
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byte* snapshot = ReadBytes(file_name, &snapshot_size);
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Object* root;
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{
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SnapshotByteSource source(snapshot, snapshot_size);
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Deserializer deserializer(&source);
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ReserveSpaceForSnapshot(&deserializer, file_name);
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deserializer.DeserializePartial(&root);
|
|
CHECK(root->IsString());
|
|
}
|
|
v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
|
|
Handle<Object> root_handle(root, Isolate::Current());
|
|
|
|
|
|
Object* root2;
|
|
{
|
|
SnapshotByteSource source(snapshot, snapshot_size);
|
|
Deserializer deserializer(&source);
|
|
ReserveSpaceForSnapshot(&deserializer, file_name);
|
|
deserializer.DeserializePartial(&root2);
|
|
CHECK(root2->IsString());
|
|
CHECK(*root_handle == root2);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
TEST(ContextSerialization) {
|
|
if (!Snapshot::HaveASnapshotToStartFrom()) {
|
|
Serializer::Enable();
|
|
v8::V8::Initialize();
|
|
Isolate* isolate = Isolate::Current();
|
|
Heap* heap = isolate->heap();
|
|
|
|
v8::Persistent<v8::Context> env = v8::Context::New();
|
|
ASSERT(!env.IsEmpty());
|
|
env->Enter();
|
|
// Make sure all builtin scripts are cached.
|
|
{ HandleScope scope(isolate);
|
|
for (int i = 0; i < Natives::GetBuiltinsCount(); i++) {
|
|
isolate->bootstrapper()->NativesSourceLookup(i);
|
|
}
|
|
}
|
|
// If we don't do this then we end up with a stray root pointing at the
|
|
// context even after we have disposed of env.
|
|
heap->CollectAllGarbage(Heap::kNoGCFlags);
|
|
|
|
int file_name_length = StrLength(FLAG_testing_serialization_file) + 10;
|
|
Vector<char> startup_name = Vector<char>::New(file_name_length + 1);
|
|
OS::SNPrintF(startup_name, "%s.startup", FLAG_testing_serialization_file);
|
|
|
|
env->Exit();
|
|
|
|
Object* raw_context = *(v8::Utils::OpenHandle(*env));
|
|
|
|
env.Dispose(env->GetIsolate());
|
|
|
|
FileByteSink startup_sink(startup_name.start());
|
|
StartupSerializer startup_serializer(&startup_sink);
|
|
startup_serializer.SerializeStrongReferences();
|
|
|
|
FileByteSink partial_sink(FLAG_testing_serialization_file);
|
|
PartialSerializer p_ser(&startup_serializer, &partial_sink);
|
|
p_ser.Serialize(&raw_context);
|
|
startup_serializer.SerializeWeakReferences();
|
|
|
|
partial_sink.WriteSpaceUsed(
|
|
p_ser.CurrentAllocationAddress(NEW_SPACE),
|
|
p_ser.CurrentAllocationAddress(OLD_POINTER_SPACE),
|
|
p_ser.CurrentAllocationAddress(OLD_DATA_SPACE),
|
|
p_ser.CurrentAllocationAddress(CODE_SPACE),
|
|
p_ser.CurrentAllocationAddress(MAP_SPACE),
|
|
p_ser.CurrentAllocationAddress(CELL_SPACE));
|
|
|
|
startup_sink.WriteSpaceUsed(
|
|
startup_serializer.CurrentAllocationAddress(NEW_SPACE),
|
|
startup_serializer.CurrentAllocationAddress(OLD_POINTER_SPACE),
|
|
startup_serializer.CurrentAllocationAddress(OLD_DATA_SPACE),
|
|
startup_serializer.CurrentAllocationAddress(CODE_SPACE),
|
|
startup_serializer.CurrentAllocationAddress(MAP_SPACE),
|
|
startup_serializer.CurrentAllocationAddress(CELL_SPACE));
|
|
startup_name.Dispose();
|
|
}
|
|
}
|
|
|
|
|
|
DEPENDENT_TEST(ContextDeserialization, ContextSerialization) {
|
|
if (!Snapshot::HaveASnapshotToStartFrom()) {
|
|
int file_name_length = StrLength(FLAG_testing_serialization_file) + 10;
|
|
Vector<char> startup_name = Vector<char>::New(file_name_length + 1);
|
|
OS::SNPrintF(startup_name, "%s.startup", FLAG_testing_serialization_file);
|
|
|
|
CHECK(Snapshot::Initialize(startup_name.start()));
|
|
startup_name.Dispose();
|
|
|
|
const char* file_name = FLAG_testing_serialization_file;
|
|
|
|
int snapshot_size = 0;
|
|
byte* snapshot = ReadBytes(file_name, &snapshot_size);
|
|
|
|
Object* root;
|
|
{
|
|
SnapshotByteSource source(snapshot, snapshot_size);
|
|
Deserializer deserializer(&source);
|
|
ReserveSpaceForSnapshot(&deserializer, file_name);
|
|
deserializer.DeserializePartial(&root);
|
|
CHECK(root->IsContext());
|
|
}
|
|
v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
|
|
Handle<Object> root_handle(root, Isolate::Current());
|
|
|
|
|
|
Object* root2;
|
|
{
|
|
SnapshotByteSource source(snapshot, snapshot_size);
|
|
Deserializer deserializer(&source);
|
|
ReserveSpaceForSnapshot(&deserializer, file_name);
|
|
deserializer.DeserializePartial(&root2);
|
|
CHECK(root2->IsContext());
|
|
CHECK(*root_handle != root2);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
TEST(TestThatAlwaysSucceeds) {
|
|
}
|
|
|
|
|
|
TEST(TestThatAlwaysFails) {
|
|
bool ArtificialFailure = false;
|
|
CHECK(ArtificialFailure);
|
|
}
|
|
|
|
|
|
DEPENDENT_TEST(DependentTestThatAlwaysFails, TestThatAlwaysSucceeds) {
|
|
bool ArtificialFailure2 = false;
|
|
CHECK(ArtificialFailure2);
|
|
}
|