v8/test/cctest/test-platform-linux.cc
Bill Budge d607f1e72d [Memory] Move GetRandomMmapAddr from base::OS platform to v8::internal.
- Moves GetRandomMmapAddr from platform to v8::internal allocation
  primitives, in preparation for delegating this to the embedder.
- Adds hint parameters to OS functions that used to use this function.

Bug: chromium:756050
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: Iad72e6eac9c08a3e22c2cd2b2905623b8e514ae0
Reviewed-on: https://chromium-review.googlesource.com/677777
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Bill Budge <bbudge@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48124}
2017-09-22 15:26:18 +00:00

54 lines
2.3 KiB
C++

// 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.
//
#include "src/base/platform/platform.h"
#include "test/cctest/cctest.h"
using OS = v8::base::OS;
namespace v8 {
namespace internal {
TEST(OSReserveMemory) {
size_t mem_size = 0;
void* mem_addr = OS::ReserveAlignedRegion(1 * MB, OS::AllocateAlignment(),
GetRandomMmapAddr(), &mem_size);
CHECK_NE(0, mem_size);
CHECK_NOT_NULL(mem_addr);
size_t block_size = 4 * KB;
CHECK(OS::CommitRegion(mem_addr, block_size, false));
// Check whether we can write to memory.
int* addr = static_cast<int*>(mem_addr);
addr[KB - 1] = 2;
CHECK(OS::UncommitRegion(mem_addr, block_size));
OS::ReleaseRegion(mem_addr, mem_size);
}
} // namespace internal
} // namespace v8