crashpad/snapshot/win/capture_memory_delegate_win.cc
Scott Graham feb3aa3923 win: Capture memory pointed to by the stack
Change-Id: Ide75475aa9c42edf36c3a709bfc7dfbfed68b0d3
Reviewed-on: https://chromium-review.googlesource.com/322261
Reviewed-by: Mark Mentovai <mark@chromium.org>
2016-01-29 18:13:19 +00:00

57 lines
2.0 KiB
C++

// Copyright 2016 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 "snapshot/win/capture_memory_delegate_win.h"
#include "snapshot/win/memory_snapshot_win.h"
namespace crashpad {
namespace internal {
CaptureMemoryDelegateWin::CaptureMemoryDelegateWin(
ProcessReaderWin* process_reader,
const ProcessReaderWin::Thread& thread,
PointerVector<MemorySnapshotWin>* snapshots)
: stack_(thread.stack_region_address, thread.stack_region_size),
process_reader_(process_reader),
snapshots_(snapshots) {}
bool CaptureMemoryDelegateWin::Is64Bit() const {
return process_reader_->Is64Bit();
}
bool CaptureMemoryDelegateWin::ReadMemory(uint64_t at,
uint64_t num_bytes,
void* into) const {
return process_reader_->ReadMemory(at, num_bytes, into);
}
std::vector<CheckedRange<uint64_t>> CaptureMemoryDelegateWin::GetReadableRanges(
const CheckedRange<uint64_t, uint64_t>& range) const {
return process_reader_->GetProcessInfo().GetReadableRanges(range);
}
void CaptureMemoryDelegateWin::AddNewMemorySnapshot(
const CheckedRange<uint64_t, uint64_t>& range) {
// Don't bother storing this memory if it points back into the stack.
if (stack_.ContainsRange(range))
return;
internal::MemorySnapshotWin* snapshot = new internal::MemorySnapshotWin();
snapshot->Initialize(process_reader_, range.base(), range.size());
snapshots_->push_back(snapshot);
}
} // namespace internal
} // namespace crashpad