Drop platform-nullos stuff, which was already horribly out-of-date for a long time.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
This commit is contained in:
bmeurer@chromium.org
parent
6479ea3379
commit
6b760b92a3
@ -1,558 +0,0 @@
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// Copyright 2012 the V8 project authors. All rights reserved.
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// 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.
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||||
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// Platform specific code for NULLOS goes here
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// Minimal include to get access to abort, fprintf and friends for bootstrapping
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// messages.
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#include <stdio.h>
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#include <stdlib.h>
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#include "v8.h"
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#include "platform.h"
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#include "vm-state-inl.h"
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namespace v8 {
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namespace internal {
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// Give V8 the opportunity to override the default ceil behaviour.
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double ceiling(double x) {
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UNIMPLEMENTED();
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return 0;
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}
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// Give V8 the opportunity to override the default fmod behavior.
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double modulo(double x, double y) {
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UNIMPLEMENTED();
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return 0;
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}
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double fast_sin(double x) {
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UNIMPLEMENTED();
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return 0;
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}
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double fast_cos(double x) {
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UNIMPLEMENTED();
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return 0;
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}
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double fast_tan(double x) {
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UNIMPLEMENTED();
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return 0;
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}
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double fast_log(double x) {
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UNIMPLEMENTED();
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return 0;
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}
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// Initialize OS class early in the V8 startup.
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void OS::SetUp() {
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// Seed the random number generator.
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UNIMPLEMENTED();
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}
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void OS::PostSetUp() {
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UNIMPLEMENTED();
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}
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void OS::TearDown() {
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UNIMPLEMENTED();
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}
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// Returns the accumulated user time for thread.
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int OS::GetUserTime(uint32_t* secs, uint32_t* usecs) {
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UNIMPLEMENTED();
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*secs = 0;
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*usecs = 0;
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return 0;
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}
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// Returns current time as the number of milliseconds since
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// 00:00:00 UTC, January 1, 1970.
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double OS::TimeCurrentMillis() {
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UNIMPLEMENTED();
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return 0;
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}
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// Returns ticks in microsecond resolution.
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int64_t OS::Ticks() {
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UNIMPLEMENTED();
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return 0;
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}
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// Returns a string identifying the current timezone taking into
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// account daylight saving.
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const char* OS::LocalTimezone(double time) {
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UNIMPLEMENTED();
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return "<none>";
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}
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// Returns the daylight savings offset in milliseconds for the given time.
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double OS::DaylightSavingsOffset(double time) {
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UNIMPLEMENTED();
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return 0;
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}
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int OS::GetLastError() {
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UNIMPLEMENTED();
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return 0;
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}
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// Returns the local time offset in milliseconds east of UTC without
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// taking daylight savings time into account.
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double OS::LocalTimeOffset() {
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UNIMPLEMENTED();
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return 0;
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}
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// Print (debug) message to console.
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void OS::Print(const char* format, ...) {
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UNIMPLEMENTED();
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}
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// Print (debug) message to console.
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void OS::VPrint(const char* format, va_list args) {
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// Minimalistic implementation for bootstrapping.
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vfprintf(stdout, format, args);
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}
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void OS::FPrint(FILE* out, const char* format, ...) {
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va_list args;
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va_start(args, format);
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VFPrint(out, format, args);
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va_end(args);
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}
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void OS::VFPrint(FILE* out, const char* format, va_list args) {
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vfprintf(out, format, args);
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}
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// Print error message to console.
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void OS::PrintError(const char* format, ...) {
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// Minimalistic implementation for bootstrapping.
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va_list args;
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va_start(args, format);
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VPrintError(format, args);
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va_end(args);
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}
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// Print error message to console.
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void OS::VPrintError(const char* format, va_list args) {
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// Minimalistic implementation for bootstrapping.
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vfprintf(stderr, format, args);
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}
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int OS::SNPrintF(char* str, size_t size, const char* format, ...) {
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UNIMPLEMENTED();
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return 0;
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}
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int OS::VSNPrintF(char* str, size_t size, const char* format, va_list args) {
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UNIMPLEMENTED();
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return 0;
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}
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uint64_t OS::CpuFeaturesImpliedByPlatform() {
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return 0;
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}
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double OS::nan_value() {
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UNIMPLEMENTED();
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return 0;
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}
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bool OS::ArmUsingHardFloat() {
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UNIMPLEMENTED();
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}
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bool OS::IsOutsideAllocatedSpace(void* address) {
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UNIMPLEMENTED();
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return false;
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}
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size_t OS::AllocateAlignment() {
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UNIMPLEMENTED();
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return 0;
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}
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void* OS::Allocate(const size_t requested,
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size_t* allocated,
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bool executable) {
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UNIMPLEMENTED();
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return NULL;
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}
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void OS::Free(void* buf, const size_t length) {
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// TODO(1240712): potential system call return value which is ignored here.
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UNIMPLEMENTED();
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}
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void OS::Guard(void* address, const size_t size) {
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UNIMPLEMENTED();
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}
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void OS::Sleep(int milliseconds) {
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UNIMPLEMENTED();
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}
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int OS::NumberOfCores() {
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UNIMPLEMENTED();
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return 0;
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}
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void OS::Abort() {
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// Minimalistic implementation for bootstrapping.
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abort();
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}
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void OS::DebugBreak() {
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UNIMPLEMENTED();
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}
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void OS::DumpBacktrace() {
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// Currently unsupported.
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}
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OS::MemoryMappedFile* OS::MemoryMappedFile::open(const char* name) {
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UNIMPLEMENTED();
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return NULL;
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}
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OS::MemoryMappedFile* OS::MemoryMappedFile::create(const char* name, int size,
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void* initial) {
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UNIMPLEMENTED();
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return NULL;
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}
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void OS::LogSharedLibraryAddresses() {
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UNIMPLEMENTED();
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}
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void OS::SignalCodeMovingGC() {
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UNIMPLEMENTED();
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}
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int OS::StackWalk(Vector<OS::StackFrame> frames) {
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UNIMPLEMENTED();
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return 0;
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}
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VirtualMemory::VirtualMemory() {
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UNIMPLEMENTED();
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}
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VirtualMemory::VirtualMemory(size_t size) {
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UNIMPLEMENTED();
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}
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VirtualMemory::VirtualMemory(size_t size, void* address_hint) {
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UNIMPLEMENTED();
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}
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VirtualMemory::~VirtualMemory() {
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UNIMPLEMENTED();
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}
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bool VirtualMemory::IsReserved() {
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UNIMPLEMENTED();
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return false;
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}
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void VirtualMemory::Reset() {
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UNIMPLEMENTED();
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}
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bool VirtualMemory::Commit(void* address, size_t size, bool executable) {
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UNIMPLEMENTED();
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return false;
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}
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bool VirtualMemory::Uncommit(void* address, size_t size) {
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UNIMPLEMENTED();
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return false;
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}
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bool VirtualMemory::Guard(void* address) {
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UNIMPLEMENTED();
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return false;
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}
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void* VirtualMemory::ReserveRegion(size_t size) {
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UNIMPLEMENTED();
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return NULL;
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}
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bool VirtualMemory::CommitRegion(void* base, size_t size, bool is_executable) {
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UNIMPLEMENTED();
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return false;
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}
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bool VirtualMemory::UncommitRegion(void* base, size_t size) {
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UNIMPLEMENTED();
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return false;
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}
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bool VirtualMemory::ReleaseRegion(void* base, size_t size) {
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UNIMPLEMENTED();
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return false;
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||||
}
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||||
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||||
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bool VirtualMemory::HasLazyCommits() {
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// TODO(alph): implement for the platform.
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return false;
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}
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class Thread::PlatformData : public Malloced {
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public:
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PlatformData() {
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UNIMPLEMENTED();
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}
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void* pd_data_;
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};
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||||
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Thread::Thread(const Options& options)
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: data_(new PlatformData()),
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stack_size_(options.stack_size),
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start_semaphore_(NULL) {
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set_name(options.name);
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UNIMPLEMENTED();
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}
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||||
|
||||
|
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Thread::Thread(const char* name)
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||||
: data_(new PlatformData()),
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stack_size_(0) {
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set_name(name);
|
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UNIMPLEMENTED();
|
||||
}
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||||
|
||||
|
||||
Thread::~Thread() {
|
||||
delete data_;
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UNIMPLEMENTED();
|
||||
}
|
||||
|
||||
|
||||
void Thread::set_name(const char* name) {
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||||
strncpy(name_, name, sizeof(name_));
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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
|
||||
@ -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 <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;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user