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author | iddqd <iddqd@yandex-team.com> | 2024-12-19 10:46:06 +0300 |
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committer | iddqd <iddqd@yandex-team.com> | 2024-12-19 10:59:56 +0300 |
commit | bb0840c0025a75dd3b85b746ebcec7deb7d9fe1c (patch) | |
tree | 85bc5522e873d9d5c37df278f0300c26fe9e729e /contrib/libs/breakpad/src/common/linux/file_id.h | |
parent | 1353077f79bb3547792b2fc86c22a695f0bc76f9 (diff) | |
download | ydb-bb0840c0025a75dd3b85b746ebcec7deb7d9fe1c.tar.gz |
Add contib/libs/breakpad to export
commit_hash:9d85255f8d9249f14105e4626bf4484805b8aed4
Diffstat (limited to 'contrib/libs/breakpad/src/common/linux/file_id.h')
-rw-r--r-- | contrib/libs/breakpad/src/common/linux/file_id.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/contrib/libs/breakpad/src/common/linux/file_id.h b/contrib/libs/breakpad/src/common/linux/file_id.h new file mode 100644 index 0000000000..8556a2e5ae --- /dev/null +++ b/contrib/libs/breakpad/src/common/linux/file_id.h @@ -0,0 +1,90 @@ +// Copyright (c) 2006, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// file_id.h: Return a unique identifier for a file +// + +#ifndef COMMON_LINUX_FILE_ID_H__ +#define COMMON_LINUX_FILE_ID_H__ + +#include <limits.h> +#include <string> + +#include "common/linux/guid_creator.h" +#include "common/memory_allocator.h" +#include "common/using_std_string.h" + +namespace google_breakpad { +namespace elf { + +// GNU binutils' ld defaults to 'sha1', which is 160 bits == 20 bytes, +// so this is enough to fit that, which most binaries will use. +// This is just a sensible default for auto_wasteful_vector so most +// callers can get away with stack allocation. +static const size_t kDefaultBuildIdSize = 20; + +class FileID { + public: + explicit FileID(const char* path); + ~FileID() {} + + // Load the identifier for the elf file path specified in the constructor into + // |identifier|. + // + // The current implementation will look for a .note.gnu.build-id + // section and use that as the file id, otherwise it falls back to + // XORing the first 4096 bytes of the .text section to generate an identifier. + bool ElfFileIdentifier(wasteful_vector<uint8_t>& identifier); + + // Load the identifier for the elf file mapped into memory at |base| into + // |identifier|. Return false if the identifier could not be created for this + // file. + static bool ElfFileIdentifierFromMappedFile( + const void* base, + wasteful_vector<uint8_t>& identifier); + + // Convert the |identifier| data to a string. The string will + // be formatted as a UUID in all uppercase without dashes. + // (e.g., 22F065BBFC9C49F780FE26A7CEBD7BCE). + static string ConvertIdentifierToUUIDString( + const wasteful_vector<uint8_t>& identifier); + + // Convert the entire |identifier| data to a hex string. + static string ConvertIdentifierToString( + const wasteful_vector<uint8_t>& identifier); + + private: + // Storage for the path specified + string path_; +}; + +} // namespace elf +} // namespace google_breakpad + +#endif // COMMON_LINUX_FILE_ID_H__ |