Passed
Push — 0.6.x ( 9a1948...a98caa )
by Shinji
03:23 queued 01:32
created

X64LinuxThreadPointerRetriever::getThreadPointer()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 6
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 2
eloc 4
nc 2
nop 1
dl 0
loc 6
rs 10
c 0
b 0
f 0
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<?php
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/**
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 * This file is part of the reliforp/reli-prof 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 Reli\Lib\Elf\Tls;
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use Reli\Lib\Libc\Errno\Errno;
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use Reli\Lib\Libc\Sys\Ptrace\PtraceX64;
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use Reli\Lib\Process\RegisterReader\RegisterReaderException;
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use Reli\Lib\Process\RegisterReader\X64RegisterReader;
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final class X64LinuxThreadPointerRetriever implements ThreadPointerRetrieverInterface
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{
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    public static function createDefault(): self
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    {
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        return new self(
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            new X64RegisterReader(
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                new PtraceX64(),
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                new Errno(),
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            )
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        );
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    }
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    public function __construct(
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        private X64RegisterReader $register_reader,
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    ) {
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    }
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    /**
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     * @throws TlsFinderException
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     */
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    public function getThreadPointer(int $pid): int
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    {
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        try {
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            return $this->register_reader->attachAndReadOne($pid, X64RegisterReader::FS_BASE);
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        } catch (RegisterReaderException $e) {
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            throw new TlsFinderException('cannot find thread pointer', 0, $e);
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        }
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    }
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}
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