From: bmeurer@chromium.org Date: Tue, 27 Aug 2013 14:04:49 +0000 (+0000) Subject: Drop platform-nullos stuff, which was already horribly out-of-date for a long time. X-Git-Tag: upstream/4.7.83~12801 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6b760b92a321cd4990aacd35a2c171af3a7a5b4e;p=platform%2Fupstream%2Fv8.git Drop platform-nullos stuff, which was already horribly out-of-date for a long time. R=verwaest@chromium.org Review URL: https://codereview.chromium.org/23434004 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16363 ce2b1a6d-e550-0410-aec6-3dcde31c8c00 --- diff --git a/src/platform-nullos.cc b/src/platform-nullos.cc deleted file mode 100644 index dc7adb6..0000000 --- a/src/platform-nullos.cc +++ /dev/null @@ -1,558 +0,0 @@ -// Copyright 2012 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. - -// Platform specific code for NULLOS goes here - -// Minimal include to get access to abort, fprintf and friends for bootstrapping -// messages. -#include -#include - -#include "v8.h" - -#include "platform.h" -#include "vm-state-inl.h" - - -namespace v8 { -namespace internal { - -// Give V8 the opportunity to override the default ceil behaviour. -double ceiling(double x) { - UNIMPLEMENTED(); - return 0; -} - - -// Give V8 the opportunity to override the default fmod behavior. -double modulo(double x, double y) { - UNIMPLEMENTED(); - return 0; -} - - -double fast_sin(double x) { - UNIMPLEMENTED(); - return 0; -} - - -double fast_cos(double x) { - UNIMPLEMENTED(); - return 0; -} - - -double fast_tan(double x) { - UNIMPLEMENTED(); - return 0; -} - - -double fast_log(double x) { - UNIMPLEMENTED(); - return 0; -} - - -// Initialize OS class early in the V8 startup. -void OS::SetUp() { - // Seed the random number generator. - UNIMPLEMENTED(); -} - - -void OS::PostSetUp() { - UNIMPLEMENTED(); -} - - -void OS::TearDown() { - UNIMPLEMENTED(); -} - - -// Returns the accumulated user time for thread. -int OS::GetUserTime(uint32_t* secs, uint32_t* usecs) { - UNIMPLEMENTED(); - *secs = 0; - *usecs = 0; - return 0; -} - - -// Returns current time as the number of milliseconds since -// 00:00:00 UTC, January 1, 1970. -double OS::TimeCurrentMillis() { - UNIMPLEMENTED(); - return 0; -} - - -// Returns ticks in microsecond resolution. -int64_t OS::Ticks() { - UNIMPLEMENTED(); - return 0; -} - - -// Returns a string identifying the current timezone taking into -// account daylight saving. -const char* OS::LocalTimezone(double time) { - UNIMPLEMENTED(); - return ""; -} - - -// Returns the daylight savings offset in milliseconds for the given time. -double OS::DaylightSavingsOffset(double time) { - UNIMPLEMENTED(); - return 0; -} - - -int OS::GetLastError() { - UNIMPLEMENTED(); - return 0; -} - - -// Returns the local time offset in milliseconds east of UTC without -// taking daylight savings time into account. -double OS::LocalTimeOffset() { - UNIMPLEMENTED(); - return 0; -} - - -// Print (debug) message to console. -void OS::Print(const char* format, ...) { - UNIMPLEMENTED(); -} - - -// Print (debug) message to console. -void OS::VPrint(const char* format, va_list args) { - // Minimalistic implementation for bootstrapping. - vfprintf(stdout, format, args); -} - - -void OS::FPrint(FILE* out, const char* format, ...) { - va_list args; - va_start(args, format); - VFPrint(out, format, args); - va_end(args); -} - - -void OS::VFPrint(FILE* out, const char* format, va_list args) { - vfprintf(out, format, args); -} - - -// Print error message to console. -void OS::PrintError(const char* format, ...) { - // Minimalistic implementation for bootstrapping. - va_list args; - va_start(args, format); - VPrintError(format, args); - va_end(args); -} - - -// Print error message to console. -void OS::VPrintError(const char* format, va_list args) { - // Minimalistic implementation for bootstrapping. - vfprintf(stderr, format, args); -} - - -int OS::SNPrintF(char* str, size_t size, const char* format, ...) { - UNIMPLEMENTED(); - return 0; -} - - -int OS::VSNPrintF(char* str, size_t size, const char* format, va_list args) { - UNIMPLEMENTED(); - return 0; -} - - -uint64_t OS::CpuFeaturesImpliedByPlatform() { - return 0; -} - - -double OS::nan_value() { - UNIMPLEMENTED(); - return 0; -} - - -bool OS::ArmUsingHardFloat() { - UNIMPLEMENTED(); -} - - -bool OS::IsOutsideAllocatedSpace(void* address) { - UNIMPLEMENTED(); - return false; -} - - -size_t OS::AllocateAlignment() { - UNIMPLEMENTED(); - return 0; -} - - -void* OS::Allocate(const size_t requested, - size_t* allocated, - bool executable) { - UNIMPLEMENTED(); - return NULL; -} - - -void OS::Free(void* buf, const size_t length) { - // TODO(1240712): potential system call return value which is ignored here. - UNIMPLEMENTED(); -} - - -void OS::Guard(void* address, const size_t size) { - UNIMPLEMENTED(); -} - - -void OS::Sleep(int milliseconds) { - UNIMPLEMENTED(); -} - - -int OS::NumberOfCores() { - UNIMPLEMENTED(); - return 0; -} - - -void OS::Abort() { - // Minimalistic implementation for bootstrapping. - abort(); -} - - -void OS::DebugBreak() { - UNIMPLEMENTED(); -} - - -void OS::DumpBacktrace() { - // Currently unsupported. -} - - -OS::MemoryMappedFile* OS::MemoryMappedFile::open(const char* name) { - UNIMPLEMENTED(); - return NULL; -} - - -OS::MemoryMappedFile* OS::MemoryMappedFile::create(const char* name, int size, - void* initial) { - UNIMPLEMENTED(); - return NULL; -} - - -void OS::LogSharedLibraryAddresses() { - UNIMPLEMENTED(); -} - - -void OS::SignalCodeMovingGC() { - UNIMPLEMENTED(); -} - - -int OS::StackWalk(Vector frames) { - UNIMPLEMENTED(); - return 0; -} - - -VirtualMemory::VirtualMemory() { - UNIMPLEMENTED(); -} - - -VirtualMemory::VirtualMemory(size_t size) { - UNIMPLEMENTED(); -} - - -VirtualMemory::VirtualMemory(size_t size, void* address_hint) { - UNIMPLEMENTED(); -} - - -VirtualMemory::~VirtualMemory() { - UNIMPLEMENTED(); -} - - -bool VirtualMemory::IsReserved() { - UNIMPLEMENTED(); - return false; -} - - -void VirtualMemory::Reset() { - UNIMPLEMENTED(); -} - - -bool VirtualMemory::Commit(void* address, size_t size, bool executable) { - UNIMPLEMENTED(); - return false; -} - - -bool VirtualMemory::Uncommit(void* address, size_t size) { - UNIMPLEMENTED(); - return false; -} - - -bool VirtualMemory::Guard(void* address) { - UNIMPLEMENTED(); - return false; -} - - -void* VirtualMemory::ReserveRegion(size_t size) { - UNIMPLEMENTED(); - return NULL; -} - - -bool VirtualMemory::CommitRegion(void* base, size_t size, bool is_executable) { - UNIMPLEMENTED(); - return false; -} - - -bool VirtualMemory::UncommitRegion(void* base, size_t size) { - UNIMPLEMENTED(); - return false; -} - - -bool VirtualMemory::ReleaseRegion(void* base, size_t size) { - UNIMPLEMENTED(); - return false; -} - - -bool VirtualMemory::HasLazyCommits() { - // TODO(alph): implement for the platform. - return false; -} - - -class Thread::PlatformData : public Malloced { - public: - PlatformData() { - UNIMPLEMENTED(); - } - - void* pd_data_; -}; - - -Thread::Thread(const Options& options) - : data_(new PlatformData()), - stack_size_(options.stack_size), - start_semaphore_(NULL) { - set_name(options.name); - UNIMPLEMENTED(); -} - - -Thread::Thread(const char* name) - : data_(new PlatformData()), - stack_size_(0) { - set_name(name); - UNIMPLEMENTED(); -} - - -Thread::~Thread() { - delete data_; - UNIMPLEMENTED(); -} - - -void Thread::set_name(const char* name) { - strncpy(name_, name, sizeof(name_)); - name_[sizeof(name_) - 1] = '\0'; -} - - -void Thread::Start() { - UNIMPLEMENTED(); -} - - -void Thread::Join() { - UNIMPLEMENTED(); -} - - -Thread::LocalStorageKey Thread::CreateThreadLocalKey() { - UNIMPLEMENTED(); - return static_cast(0); -} - - -void Thread::DeleteThreadLocalKey(LocalStorageKey key) { - UNIMPLEMENTED(); -} - - -void* Thread::GetThreadLocal(LocalStorageKey key) { - UNIMPLEMENTED(); - return NULL; -} - - -void Thread::SetThreadLocal(LocalStorageKey key, void* value) { - UNIMPLEMENTED(); -} - - -void Thread::YieldCPU() { - UNIMPLEMENTED(); -} - - -class NullMutex : public Mutex { - public: - NullMutex() : data_(NULL) { - UNIMPLEMENTED(); - } - - virtual ~NullMutex() { - UNIMPLEMENTED(); - } - - virtual int Lock() { - UNIMPLEMENTED(); - return 0; - } - - virtual int Unlock() { - UNIMPLEMENTED(); - return 0; - } - - private: - void* data_; -}; - - -Mutex* OS::CreateMutex() { - UNIMPLEMENTED(); - return new NullMutex(); -} - - -class NullSemaphore : public Semaphore { - public: - explicit NullSemaphore(int count) : data_(NULL) { - UNIMPLEMENTED(); - } - - virtual ~NullSemaphore() { - UNIMPLEMENTED(); - } - - virtual void Wait() { - UNIMPLEMENTED(); - } - - virtual void Signal() { - UNIMPLEMENTED(); - } - private: - void* data_; -}; - - -Semaphore* OS::CreateSemaphore(int count) { - UNIMPLEMENTED(); - return new NullSemaphore(count); -} - - -class ProfileSampler::PlatformData : public Malloced { - public: - PlatformData() { - UNIMPLEMENTED(); - } -}; - - -ProfileSampler::ProfileSampler(int interval) { - UNIMPLEMENTED(); - // Shared setup follows. - data_ = new PlatformData(); - interval_ = interval; - active_ = false; -} - - -ProfileSampler::~ProfileSampler() { - UNIMPLEMENTED(); - // Shared tear down follows. - delete data_; -} - - -void ProfileSampler::Start() { - UNIMPLEMENTED(); -} - - -void ProfileSampler::Stop() { - UNIMPLEMENTED(); -} - - -} } // namespace v8::internal diff --git a/test/cctest/test-platform-nullos.cc b/test/cctest/test-platform-nullos.cc deleted file mode 100644 index 3afbd90..0000000 --- a/test/cctest/test-platform-nullos.cc +++ /dev/null @@ -1,105 +0,0 @@ -// Copyright 2006-2008 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. -// -// Tests of the TokenLock class from lock.h - -#include -#include -#include // for usleep() - -#include "v8.h" - -#include "platform.h" -#include "cctest.h" - -using namespace ::v8::internal; - - -static void yield() { - UNIMPLEMENTED(); -} - -static const int kLockCounterLimit = 50; -static int busy_lock_counter = 0; - - -static void LoopIncrement(Mutex* mutex, int rem) { - while (true) { - int count = 0; - int last_count = -1; - do { - CHECK_EQ(0, mutex->Lock()); - count = busy_lock_counter; - CHECK_EQ(0, mutex->Unlock()); - yield(); - } while (count % 2 == rem && count < kLockCounterLimit); - if (count >= kLockCounterLimit) break; - CHECK_EQ(0, mutex->Lock()); - CHECK_EQ(count, busy_lock_counter); - CHECK(last_count == -1 || count == last_count + 1); - busy_lock_counter++; - last_count = count; - CHECK_EQ(0, mutex->Unlock()); - yield(); - } -} - - -static void* RunTestBusyLock(void* arg) { - LoopIncrement(static_cast(arg), 0); - return 0; -} - - -// Runs two threads that repeatedly acquire the lock and conditionally -// increment a variable. -TEST(BusyLock) { - pthread_t other; - Mutex* mutex = OS::CreateMutex(); - int thread_created = pthread_create(&other, - NULL, - &RunTestBusyLock, - mutex); - CHECK_EQ(0, thread_created); - LoopIncrement(mutex, 1); - pthread_join(other, NULL); - delete mutex; -} - - -TEST(VirtualMemory) { - VirtualMemory* vm = new VirtualMemory(1 * MB); - CHECK(vm->IsReserved()); - void* block_addr = vm->address(); - size_t block_size = 4 * KB; - CHECK(vm->Commit(block_addr, block_size, false)); - // Check whether we can write to memory. - int* addr = static_cast(block_addr); - addr[KB-1] = 2; - CHECK(vm->Uncommit(block_addr, block_size)); - delete vm; -}