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<?php |
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/** |
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* This file is part of the sj-i/php-profiler package. |
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* |
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* (c) sji <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace PhpProfiler\Lib\PhpProcessReader; |
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use PhpProfiler\Lib\ByteStream\IntegerByteSequence\IntegerByteSequenceReader; |
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use PhpProfiler\Lib\Elf\Parser\ElfParserException; |
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use PhpProfiler\Lib\Elf\Process\ProcessModuleSymbolReader; |
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use PhpProfiler\Lib\Elf\Process\ProcessModuleSymbolReaderCreator; |
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use PhpProfiler\Lib\Elf\Process\ProcessSymbolReaderException; |
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use PhpProfiler\Lib\Elf\Tls\LibThreadDbTlsFinder; |
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use PhpProfiler\Lib\Elf\Tls\TlsFinderException; |
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use PhpProfiler\Lib\Elf\Tls\X64LinuxThreadPointerRetriever; |
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use PhpProfiler\Lib\Process\MemoryMap\ProcessMemoryMapCreator; |
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use PhpProfiler\Lib\Process\MemoryReader\MemoryReaderException; |
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use PhpProfiler\Lib\Process\MemoryReader\MemoryReaderInterface; |
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/** |
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* Class PhpSymbolReaderCreator |
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* @package PhpProfiler\ProcessReader |
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*/ |
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final class PhpSymbolReaderCreator |
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{ |
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private MemoryReaderInterface $memory_reader; |
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private ProcessModuleSymbolReaderCreator $process_module_symbol_reader_creator; |
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private ProcessMemoryMapCreator $process_memory_map_creator; |
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private IntegerByteSequenceReader $integer_reader; |
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/** |
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* PhpSymbolReaderCreator constructor. |
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* |
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* @param MemoryReaderInterface $memory_reader |
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* @param ProcessModuleSymbolReaderCreator $process_module_symbol_reader_creator |
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* @param ProcessMemoryMapCreator $process_memory_map_creator |
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* @param IntegerByteSequenceReader $integer_reader |
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*/ |
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public function __construct( |
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MemoryReaderInterface $memory_reader, |
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ProcessModuleSymbolReaderCreator $process_module_symbol_reader_creator, |
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ProcessMemoryMapCreator $process_memory_map_creator, |
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IntegerByteSequenceReader $integer_reader |
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) { |
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$this->memory_reader = $memory_reader; |
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$this->process_module_symbol_reader_creator = $process_module_symbol_reader_creator; |
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$this->process_memory_map_creator = $process_memory_map_creator; |
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$this->integer_reader = $integer_reader; |
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} |
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/** |
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* @param int $pid |
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* @param string $libpthread_finder_regex |
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* @param string $php_finder_regex |
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* @return ProcessModuleSymbolReader |
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* @throws ElfParserException |
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* @throws MemoryReaderException |
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* @throws ProcessSymbolReaderException |
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* @throws TlsFinderException |
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*/ |
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public function create( |
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int $pid, |
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string $libpthread_finder_regex = '/.*\/libpthread.*\.so$/', |
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string $php_finder_regex = '/.*\/(php(74|7.4|80|8.0)?|php-fpm|libphp[78].*\.so)$/' |
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): ProcessModuleSymbolReader { |
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$process_memory_map = $this->process_memory_map_creator->getProcessMemoryMap($pid); |
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$tls_block_address = null; |
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$libpthread_symbol_reader = $this->process_module_symbol_reader_creator->createModuleReaderByNameRegex( |
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$pid, |
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$process_memory_map, |
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$libpthread_finder_regex |
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); |
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if (!is_null($libpthread_symbol_reader) and $libpthread_symbol_reader->isAllSymbolResolvable()) { |
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$tls_finder = new LibThreadDbTlsFinder( |
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$libpthread_symbol_reader, |
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X64LinuxThreadPointerRetriever::createDefault(), |
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$this->memory_reader, |
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$this->integer_reader |
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); |
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$tls_block_address = $tls_finder->findTlsBlock($pid, 1); |
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} |
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$php_symbol_reader = $this->process_module_symbol_reader_creator->createModuleReaderByNameRegex( |
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$pid, |
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$process_memory_map, |
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$php_finder_regex, |
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$tls_block_address |
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); |
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if (is_null($php_symbol_reader)) { |
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throw new \RuntimeException('php module not found'); |
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} |
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return $php_symbol_reader; |
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} |
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} |
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sj-i /
php-profiler
