mirror of
https://github.com/chromium/crashpad.git
synced 2024-12-27 07:14:10 +08:00
6278690abe
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$') Bug: chromium:1098010 Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262 Reviewed-by: Joshua Peraza <jperaza@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
// Copyright 2016 The Crashpad Authors
|
|
//
|
|
// 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.
|
|
|
|
#ifndef CRASHPAD_SNAPSHOT_CAPTURE_MEMORY_H_
|
|
#define CRASHPAD_SNAPSHOT_CAPTURE_MEMORY_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <vector>
|
|
|
|
#include "snapshot/cpu_context.h"
|
|
#include "util/numeric/checked_range.h"
|
|
|
|
namespace crashpad {
|
|
|
|
class MemorySnapshot;
|
|
|
|
namespace internal {
|
|
|
|
class CaptureMemory {
|
|
public:
|
|
//! \brief An interface to a platform-specific process reader.
|
|
class Delegate {
|
|
public:
|
|
virtual ~Delegate() {}
|
|
|
|
//! \return `true` if the target process is a 64-bit process.
|
|
virtual bool Is64Bit() const = 0;
|
|
|
|
//! \brief Attempts to read \a num_bytes bytes from the target process
|
|
//! starting at address \a at into \a into.
|
|
//!
|
|
//! \return `true` if the entire region could be read, or `false` with an
|
|
//! error logged.
|
|
virtual bool ReadMemory(uint64_t at,
|
|
uint64_t num_bytes,
|
|
void* into) const = 0;
|
|
|
|
//! \brief Given a range to be read from the target process, returns a
|
|
//! vector
|
|
//! of ranges, representing the readable portions of the original range.
|
|
//!
|
|
//! \param[in] range The range being identified.
|
|
//!
|
|
//! \return A vector of ranges corresponding to the portion of \a range that
|
|
//! is readable.
|
|
virtual std::vector<CheckedRange<uint64_t>> GetReadableRanges(
|
|
const CheckedRange<uint64_t, uint64_t>& range) const = 0;
|
|
|
|
//! \brief Adds the given range representing a memory snapshot in the target
|
|
//! process to the result.
|
|
virtual void AddNewMemorySnapshot(
|
|
const CheckedRange<uint64_t, uint64_t>& range) = 0;
|
|
};
|
|
|
|
CaptureMemory() = delete;
|
|
CaptureMemory(const CaptureMemory&) = delete;
|
|
CaptureMemory& operator=(const CaptureMemory&) = delete;
|
|
|
|
//! \brief For all registers that appear to be pointer-like in \a context,
|
|
//! captures a small amount of memory near their pointed to location.
|
|
//!
|
|
//! "Pointer-like" in this context means not too close to zero (signed or
|
|
//! unsigned) so that there's a reasonable chance that the value is a pointer.
|
|
//!
|
|
//! \param[in] context The context to inspect.
|
|
//! \param[in] delegate A Delegate that handles reading from the target
|
|
//! process and adding new ranges.
|
|
static void PointedToByContext(const CPUContext& context, Delegate* delegate);
|
|
|
|
//! \brief For all pointer-like values in a memory range of the target
|
|
//! process,
|
|
//! captures a small amount of memory near the pointed to location.
|
|
//!
|
|
//! \param[in] memory An existing MemorySnapshot of the range to search. The
|
|
//! base address and size must be pointer-aligned and an integral number
|
|
//! of
|
|
//! pointers long.
|
|
//! \param[in] delegate A Delegate that handles reading from the target
|
|
//! process and adding new ranges.
|
|
static void PointedToByMemoryRange(const MemorySnapshot& memory,
|
|
Delegate* delegate);
|
|
};
|
|
|
|
} // namespace internal
|
|
} // namespace crashpad
|
|
|
|
#endif // CRASHPAD_SNAPSHOT_CAPTURE_MEMORY_H_
|