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Commit 6b760b92 authored by bmeurer@chromium.org's avatar bmeurer@chromium.org
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Drop platform-nullos stuff, which was already horribly out-of-date for a long time.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
parent 6479ea33
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src/platform-nullos.cc deleted 100644 → 0
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// 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 <stdio.h>
#include <stdlib.h>
#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 "<none>";
}
// 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<OS::StackFrame> 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<LocalStorageKey>(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
test/cctest/test-platform-nullos.cc deleted 100644 → 0
View file @ 6479ea33
// 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 <pthread.h>
#include <stdlib.h>
#include <unistd.h> // 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<Mutex*>(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<int*>(block_addr);
addr[KB-1] = 2;
CHECK(vm->Uncommit(block_addr, block_size));
delete vm;
}
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