crashpad/snapshot/linux/debug_rendezvous.h
Peter Boström 1aa478d161 Remove DISALLOW_* macros in crashpad
This change was partially scripted and partially done manually with vim
regex + manually placing the deleted constructors.

The script change looked for destructors in the public: section of a
class, if that existed the deleted constructors would go before the
destructor.

For manual placement I looked for any constructor in the public: section
of the corresponding class. If there wasn't one, then it would ideally
have gone as the first entry except below enums, classes and typedefs.
This may not have been perfect, but is hopefully good enough. Fingers
crossed.

#include "base/macros.h" is removed from files that don't use
ignore_result, which is the only other thing defined in base/macros.h.

Bug: chromium:1010217
Change-Id: I099526255a40b1ac1264904b4ece2f3f503c9418
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3171034
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Peter Boström <pbos@chromium.org>
2021-09-21 15:09:44 +00:00

90 lines
2.9 KiB
C++

// Copyright 2017 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.
#ifndef CRASHPAD_SNAPSHOT_LINUX_DEBUG_RENDEZVOUS_H_
#define CRASHPAD_SNAPSHOT_LINUX_DEBUG_RENDEZVOUS_H_
#include <string>
#include <vector>
#include "util/linux/address_types.h"
#include "util/misc/initialization_state_dcheck.h"
#include "util/process/process_memory_range.h"
namespace crashpad {
//! \brief Reads an `r_debug` struct defined in `<link.h>` via
//! ProcessMemoryRange.
class DebugRendezvous {
public:
//! \brief An entry in the dynamic linker's list of loaded objects.
//!
//! All of these values should be checked before use. Whether and how they are
//! populated may vary by dynamic linker.
struct LinkEntry {
LinkEntry();
//! \brief A filename identifying the object.
std::string name;
//! \brief The difference between the preferred load address in the ELF file
//! and the actual loaded address in memory.
VMAddress load_bias;
//! \brief The address of the dynamic array for this object.
LinuxVMAddress dynamic_array;
};
DebugRendezvous();
DebugRendezvous(const DebugRendezvous&) = delete;
DebugRendezvous& operator=(const DebugRendezvous&) = delete;
~DebugRendezvous();
//! \brief Initializes this object by reading an `r_debug` struct from a
//! target process.
//!
//! This method must be called successfully prior to calling any other method
//! in this class.
//!
//! \param[in] memory A memory reader for the remote process.
//! \param[in] address The address of an `r_debug` struct in the remote
//! process.
//! \return `true` on success. `false` on failure with a message logged.
bool Initialize(const ProcessMemoryRange& memory, LinuxVMAddress address);
//! \brief Returns the LinkEntry for the main executable.
const LinkEntry* Executable() const;
//! \brief Returns a vector of modules found in the link map.
//!
//! This list excludes the entry for the executable and may include entries
//! for the VDSO and loader.
const std::vector<LinkEntry>& Modules() const;
private:
template <typename Traits>
bool InitializeSpecific(const ProcessMemoryRange& memory,
LinuxVMAddress address);
std::vector<LinkEntry> modules_;
LinkEntry executable_;
InitializationStateDcheck initialized_;
};
} // namespace crashpad
#endif // CRASHPAD_SNAPSHOT_LINUX_DEBUG_RENDEZVOUS_H_