win: make CrashpadInfo retrievable

util/mac/checked_mach_address_range.cc

-// Copyright 2014 The Crashpad Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "util/mac/checked_mach_address_range.h"
-
-#include "base/logging.h"
-#include "base/numerics/safe_conversions.h"
-
-namespace crashpad {
-
-CheckedMachAddressRange::CheckedMachAddressRange()
-    : range_32_(0, 0), is_64_bit_(false), range_ok_(true) {
-}
-
-CheckedMachAddressRange::CheckedMachAddressRange(
-    bool is_64_bit,
-    mach_vm_address_t base,
-    mach_vm_size_t size) {
-  SetRange(is_64_bit, base, size);
-}
-
-void CheckedMachAddressRange::SetRange(bool is_64_bit,
-                                       mach_vm_address_t base,
-                                       mach_vm_size_t size) {
-  is_64_bit_ = is_64_bit;
-  if (is_64_bit_) {
-    range_64_.SetRange(base, size);
-    range_ok_ = true;
-  } else {
-    range_32_.SetRange(base, size);
-    range_ok_ = base::IsValueInRangeForNumericType<uint32_t>(base) &&
-                base::IsValueInRangeForNumericType<uint32_t>(size);
-  }
-}
-
-mach_vm_address_t CheckedMachAddressRange::Base() const {
-  return is_64_bit_ ? range_64_.base() : range_32_.base();
-}
-
-mach_vm_size_t CheckedMachAddressRange::Size() const {
-  return is_64_bit_ ? range_64_.size() : range_32_.size();
-}
-
-mach_vm_address_t CheckedMachAddressRange::End() const {
-  return is_64_bit_ ? range_64_.end() : range_32_.end();
-}
-
-bool CheckedMachAddressRange::IsValid() const {
-  return range_ok_ && (is_64_bit_ ? range_64_.IsValid() : range_32_.IsValid());
-}
-
-bool CheckedMachAddressRange::ContainsValue(mach_vm_address_t value) const {
-  DCHECK(range_ok_);
-
-  if (is_64_bit_) {
-    return range_64_.ContainsValue(value);
-  }
-
-  if (!base::IsValueInRangeForNumericType<uint32_t>(value)) {
-    return false;
-  }
-
-  return range_32_.ContainsValue(value);
-}
-
-bool CheckedMachAddressRange::ContainsRange(
-    const CheckedMachAddressRange& that) const {
-  DCHECK_EQ(is_64_bit_, that.is_64_bit_);
-  DCHECK(range_ok_);
-  DCHECK(that.range_ok_);
-
-  return is_64_bit_ ? range_64_.ContainsRange(that.range_64_)
-                    : range_32_.ContainsRange(that.range_32_);
-}
-
-}  // namespace crashpad