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<?php
/**
* This file is part of the reliforp/reli-prof package.
*
* (c) sji <[email protected]>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace Reli\Lib\Elf\Tls;
use Reli\Lib\Libc\Errno\Errno;
use Reli\Lib\Libc\Sys\Ptrace\PtraceX64;
use Reli\Lib\Process\RegisterReader\RegisterReaderException;
use Reli\Lib\Process\RegisterReader\X64RegisterReader;
final class X64LinuxThreadPointerRetriever implements ThreadPointerRetrieverInterface
{
public static function createDefault(): self
return new self(
new X64RegisterReader(
new PtraceX64(),
new Errno(),
)
);
}
public function __construct(
private X64RegisterReader $register_reader,
) {
* @throws TlsFinderException
public function getThreadPointer(int $pid): int
try {
return $this->register_reader->attachAndReadOne($pid, X64RegisterReader::FS_BASE);
} catch (RegisterReaderException $e) {
throw new TlsFinderException('cannot find thread pointer', 0, $e);
reliforp /
reli-prof
