1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/common/linux/file_id.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,77 @@
1.4 +// Copyright (c) 2006, Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +//
1.33 +// file_id.h: Return a unique identifier for a file
1.34 +//
1.35 +
1.36 +#ifndef COMMON_LINUX_FILE_ID_H__
1.37 +#define COMMON_LINUX_FILE_ID_H__
1.38 +
1.39 +#include <limits.h>
1.40 +
1.41 +#include "common/linux/guid_creator.h"
1.42 +
1.43 +namespace google_breakpad {
1.44 +
1.45 +static const size_t kMDGUIDSize = sizeof(MDGUID);
1.46 +
1.47 +class FileID {
1.48 + public:
1.49 + explicit FileID(const char* path);
1.50 + ~FileID() {}
1.51 +
1.52 + // Load the identifier for the elf file path specified in the constructor into
1.53 + // |identifier|. Return false if the identifier could not be created for the
1.54 + // file.
1.55 + // The current implementation will look for a .note.gnu.build-id
1.56 + // section and use that as the file id, otherwise it falls back to
1.57 + // XORing the first 4096 bytes of the .text section to generate an identifier.
1.58 + bool ElfFileIdentifier(uint8_t identifier[kMDGUIDSize]);
1.59 +
1.60 + // Load the identifier for the elf file mapped into memory at |base| into
1.61 + // |identifier|. Return false if the identifier could not be created for the
1.62 + // file.
1.63 + static bool ElfFileIdentifierFromMappedFile(const void* base,
1.64 + uint8_t identifier[kMDGUIDSize]);
1.65 +
1.66 + // Convert the |identifier| data to a NULL terminated string. The string will
1.67 + // be formatted as a UUID (e.g., 22F065BB-FC9C-49F7-80FE-26A7CEBD7BCE).
1.68 + // The |buffer| should be at least 37 bytes long to receive all of the data
1.69 + // and termination. Shorter buffers will contain truncated data.
1.70 + static void ConvertIdentifierToString(const uint8_t identifier[kMDGUIDSize],
1.71 + char* buffer, int buffer_length);
1.72 +
1.73 + private:
1.74 + // Storage for the path specified
1.75 + char path_[PATH_MAX];
1.76 +};
1.77 +
1.78 +} // namespace google_breakpad
1.79 +
1.80 +#endif // COMMON_LINUX_FILE_ID_H__
