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Diffstat (limited to 'deps/v8/src/base/platform/platform-freebsd.cc')
-rw-r--r--deps/v8/src/base/platform/platform-freebsd.cc104
1 files changed, 3 insertions, 101 deletions
diff --git a/deps/v8/src/base/platform/platform-freebsd.cc b/deps/v8/src/base/platform/platform-freebsd.cc
index a1eb7e8928..2b9779b843 100644
--- a/deps/v8/src/base/platform/platform-freebsd.cc
+++ b/deps/v8/src/base/platform/platform-freebsd.cc
@@ -40,106 +40,8 @@ TimezoneCache* OS::CreateTimezoneCache() {
return new PosixDefaultTimezoneCache();
}
-// Constants used for mmap.
-static const int kMmapFd = -1;
-static const int kMmapFdOffset = 0;
-
-void* OS::Allocate(const size_t requested, size_t* allocated,
- OS::MemoryPermission access, void* hint) {
- const size_t msize = RoundUp(requested, getpagesize());
- int prot = GetProtectionFromMemoryPermission(access);
- void* mbase =
- mmap(hint, msize, prot, MAP_PRIVATE | MAP_ANON, kMmapFd, kMmapFdOffset);
-
- if (mbase == MAP_FAILED) return NULL;
- *allocated = msize;
- return mbase;
-}
-
-// static
-void* OS::ReserveRegion(size_t size, void* hint) {
- void* result = mmap(hint, size, PROT_NONE, MAP_PRIVATE | MAP_ANON, kMmapFd,
- kMmapFdOffset);
-
- if (result == MAP_FAILED) return NULL;
-
- return result;
-}
-
-// static
-void* OS::ReserveAlignedRegion(size_t size, size_t alignment, void* hint,
- size_t* allocated) {
- hint = AlignedAddress(hint, alignment);
- DCHECK((alignment % OS::AllocateAlignment()) == 0);
- size_t request_size = RoundUp(size + alignment,
- static_cast<intptr_t>(OS::AllocateAlignment()));
- void* result = ReserveRegion(request_size, hint);
- if (result == nullptr) {
- *allocated = 0;
- return nullptr;
- }
-
- uint8_t* base = static_cast<uint8_t*>(result);
- uint8_t* aligned_base = RoundUp(base, alignment);
- DCHECK_LE(base, aligned_base);
-
- // Unmap extra memory reserved before and after the desired block.
- if (aligned_base != base) {
- size_t prefix_size = static_cast<size_t>(aligned_base - base);
- OS::Free(base, prefix_size);
- request_size -= prefix_size;
- }
-
- size_t aligned_size = RoundUp(size, OS::AllocateAlignment());
- DCHECK_LE(aligned_size, request_size);
-
- if (aligned_size != request_size) {
- size_t suffix_size = request_size - aligned_size;
- OS::Free(aligned_base + aligned_size, suffix_size);
- request_size -= suffix_size;
- }
-
- DCHECK(aligned_size == request_size);
-
- *allocated = aligned_size;
- return static_cast<void*>(aligned_base);
-}
-
-// static
-bool OS::CommitRegion(void* address, size_t size, bool is_executable) {
- int prot = PROT_READ | PROT_WRITE | (is_executable ? PROT_EXEC : 0);
- if (MAP_FAILED == mmap(address, size, prot,
- MAP_PRIVATE | MAP_ANON | MAP_FIXED, kMmapFd,
- kMmapFdOffset)) {
- return false;
- }
- return true;
-}
-
-// static
-bool OS::UncommitRegion(void* address, size_t size) {
- return mmap(address, size, PROT_NONE, MAP_PRIVATE | MAP_ANON | MAP_FIXED,
- kMmapFd, kMmapFdOffset) != MAP_FAILED;
-}
-
-// static
-bool OS::ReleaseRegion(void* address, size_t size) {
- return munmap(address, size) == 0;
-}
-
-// static
-bool OS::ReleasePartialRegion(void* address, size_t size) {
- return munmap(address, size) == 0;
-}
-
-// static
-bool OS::HasLazyCommits() {
- // TODO(alph): implement for the platform.
- return false;
-}
-
static unsigned StringToLong(char* buffer) {
- return static_cast<unsigned>(strtol(buffer, NULL, 16)); // NOLINT
+ return static_cast<unsigned>(strtol(buffer, nullptr, 16)); // NOLINT
}
std::vector<OS::SharedLibraryAddress> OS::GetSharedLibraryAddresses() {
@@ -174,7 +76,7 @@ std::vector<OS::SharedLibraryAddress> OS::GetSharedLibraryAddresses() {
if (buffer[3] != 'x') continue;
char* start_of_path = index(buffer, '/');
// There may be no filename in this line. Skip to next.
- if (start_of_path == NULL) continue;
+ if (start_of_path == nullptr) continue;
buffer[bytes_read] = 0;
result.push_back(SharedLibraryAddress(start_of_path, start, end));
}
@@ -182,7 +84,7 @@ std::vector<OS::SharedLibraryAddress> OS::GetSharedLibraryAddresses() {
return result;
}
-void OS::SignalCodeMovingGC(void* hint) {}
+void OS::SignalCodeMovingGC() {}
} // namespace base
} // namespace v8