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I put the generic implementation in Assertions.cpp, since the declaration is in Assertions.h. The only change needed to make the x86-64 implementation generic was replacing the cli with a Processor::disable_interrupts().
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/Arch/Processor.h>
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#include <Kernel/Library/Assertions.h>
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#include <Kernel/Library/Panic.h>
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#include <Kernel/Tasks/Process.h>
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#include <Kernel/Tasks/Thread.h>
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// Note: This is required here, since __assertion_failed should be out of the Kernel namespace,
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// but the PANIC macro uses functions that require the Kernel namespace.
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using namespace Kernel;
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NO_SANITIZE_COVERAGE void __assertion_failed(char const* msg, char const* file, unsigned line, char const* func)
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{
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Processor::disable_interrupts();
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critical_dmesgln("ASSERTION FAILED: {}", msg);
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critical_dmesgln("{}:{} in {}", file, line, func);
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abort();
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}
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[[noreturn]] void abort()
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{
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// Avoid lock ranking checks on crashing paths, just try to get some debugging messages out.
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auto thread = Thread::current();
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if (thread)
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thread->set_crashing();
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// Switch back to the current process's page tables if there are any.
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// Otherwise stack walking will be a disaster.
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if (Process::has_current())
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Memory::MemoryManager::enter_process_address_space(Process::current());
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PANIC("Aborted");
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}
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