mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 07:32:44 +00:00
39 lines
851 B
C++
39 lines
851 B
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/KSyms.h>
|
|
#include <Kernel/Process.h>
|
|
#include <Kernel/UserOrKernelBuffer.h>
|
|
#include <Kernel/kstdio.h>
|
|
|
|
namespace Kernel {
|
|
|
|
ErrorOr<FlatPtr> Process::sys$dump_backtrace()
|
|
{
|
|
VERIFY_NO_PROCESS_BIG_LOCK(this);
|
|
dump_backtrace();
|
|
return 0;
|
|
}
|
|
|
|
ErrorOr<FlatPtr> Process::sys$dbgputstr(Userspace<char const*> characters, size_t size)
|
|
{
|
|
VERIFY_NO_PROCESS_BIG_LOCK(this);
|
|
if (size == 0)
|
|
return 0;
|
|
|
|
if (size <= 1024) {
|
|
char buffer[1024];
|
|
TRY(copy_from_user(buffer, characters, size));
|
|
dbgputstr(buffer, size);
|
|
return size;
|
|
}
|
|
|
|
auto string = TRY(try_copy_kstring_from_user(characters, size));
|
|
dbgputstr(string->view());
|
|
return string->length();
|
|
}
|
|
|
|
}
|