2020-07-31 00:38:15 +03:00
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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2021-04-22 11:24:48 +03:00
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* SPDX-License-Identifier: BSD-2-Clause
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2020-07-31 00:38:15 +03:00
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*/
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#include <Kernel/KSyms.h>
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2023-02-24 21:10:59 +03:00
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#include <Kernel/Library/UserOrKernelBuffer.h>
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2023-02-24 20:45:37 +03:00
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#include <Kernel/Tasks/Process.h>
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2021-06-23 18:55:08 +03:00
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#include <Kernel/kstdio.h>
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2020-07-31 00:38:15 +03:00
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namespace Kernel {
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2021-11-08 02:51:39 +03:00
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ErrorOr<FlatPtr> Process::sys$dump_backtrace()
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2020-07-31 00:38:15 +03:00
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{
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2021-08-06 14:27:26 +03:00
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VERIFY_NO_PROCESS_BIG_LOCK(this);
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2020-07-31 00:38:15 +03:00
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dump_backtrace();
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return 0;
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}
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2022-04-01 20:58:27 +03:00
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ErrorOr<FlatPtr> Process::sys$dbgputstr(Userspace<char const*> characters, size_t size)
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2020-07-31 00:38:15 +03:00
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{
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2021-08-06 14:33:14 +03:00
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VERIFY_NO_PROCESS_BIG_LOCK(this);
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2021-06-23 18:55:08 +03:00
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if (size == 0)
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2020-07-31 00:38:15 +03:00
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return 0;
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2020-09-12 06:11:07 +03:00
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2021-06-27 11:46:47 +03:00
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if (size <= 1024) {
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char buffer[1024];
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2021-09-05 18:38:37 +03:00
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TRY(copy_from_user(buffer, characters, size));
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2021-06-27 11:46:47 +03:00
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dbgputstr(buffer, size);
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return size;
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}
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2021-09-05 19:01:55 +03:00
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auto string = TRY(try_copy_kstring_from_user(characters, size));
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2021-08-13 08:11:06 +03:00
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dbgputstr(string->view());
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return string->length();
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2020-07-31 00:38:15 +03:00
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}
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}
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