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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>
116 lines
4.5 KiB
C++
116 lines
4.5 KiB
C++
// Copyright 2015 The Crashpad Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_SNAPSHOT_WIN_PROCESS_SUBRANGE_READER_WIN_H_
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#define CRASHPAD_SNAPSHOT_WIN_PROCESS_SUBRANGE_READER_WIN_H_
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#include <string>
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#include "util/misc/initialization_state_dcheck.h"
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#include "util/win/address_types.h"
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#include "util/win/checked_win_address_range.h"
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namespace crashpad {
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class ProcessReaderWin;
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//! \brief A wrapper for ProcessReaderWin that only allows a specific subrange
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//! to be read from.
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//!
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//! This class is useful to restrict reads to a specific address range, such as
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//! the address range occupied by a loaded module, or a specific section within
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//! a module.
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class ProcessSubrangeReader {
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public:
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ProcessSubrangeReader();
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ProcessSubrangeReader(const ProcessSubrangeReader&) = delete;
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ProcessSubrangeReader& operator=(const ProcessSubrangeReader&) = delete;
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~ProcessSubrangeReader();
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//! \brief Initializes the object.
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//!
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//! \param[in] process_reader A reader for a remote process.
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//! \param[in] base The base address for the range that reads should be
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//! restricted to.
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//! \param[in] size The size of the range that reads should be restricted to.
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//! \param[in] name The range’s name, a string to be used in logged messages.
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//! This string is for diagnostic purposes.
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//!
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//! \return `true` on success, `false` on failure with a message logged. The
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//! other methods in this class must not be called unless this method or
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//! InitializeSubrange() has returned true.
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bool Initialize(ProcessReaderWin* process_reader,
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WinVMAddress base,
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WinVMSize size,
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const std::string& name);
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//! \brief Initializes the object to a subrange of an existing
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//! ProcessSubrangeReader.
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//!
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//! The subrange identified by \a base and \a size must be contained within
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//! the subrange in \a that.
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//!
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//! \param[in] that The existing ProcessSubrangeReader to base the new object
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//! on.
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//! \param[in] base The base address for the range that reads should be
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//! restricted to.
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//! \param[in] size The size of the range that reads should be restricted to.
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//! \param[in] sub_name A description of the subrange, which will be appended
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//! to the \a name in \a that and used in logged messages. This string is
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//! for diagnostic purposes.
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//!
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//! \return `true` on success, `false` on failure with a message logged. The
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//! other methods in this class must not be called unless this method or
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//! Initialize() has returned true.
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bool InitializeSubrange(const ProcessSubrangeReader& that,
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WinVMAddress base,
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WinVMSize size,
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const std::string& sub_name);
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bool Is64Bit() const { return range_.Is64Bit(); }
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WinVMAddress Base() const { return range_.Base(); }
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WinVMAddress Size() const { return range_.Size(); }
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const std::string& name() const { return name_; }
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//! \brief Reads memory from the remote process.
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//!
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//! The range specified by \a address and \a size must be contained within
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//! the range that this object is permitted to read.
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//!
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//! \param[in] address The address to read from.
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//! \param[in] size The size of data to read, in bytes.
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//! \param[out] into The buffer to read data into.
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//!
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//! \return `true` on success, `false` on failure with a message logged.
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bool ReadMemory(WinVMAddress address, WinVMSize size, void* into) const;
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private:
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// Common helper for Initialize() and InitializeSubrange().
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bool InitializeInternal(ProcessReaderWin* process_reader,
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WinVMAddress base,
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WinVMSize size,
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const std::string& name);
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std::string name_;
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CheckedWinAddressRange range_;
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ProcessReaderWin* process_reader_; // weak
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InitializationStateDcheck initialized_;
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};
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} // namespace crashpad
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#endif // CRASHPAD_SNAPSHOT_WIN_PROCESS_SUBRANGE_READER_WIN_H_
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