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Kernel: Use dbgln_if() and PANIC() in Thread.cpp

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This commit is contained in:
Andreas Kling 2021-03-09 22:35:13 +01:00
parent c67d550df1
commit 232738fb7a
Notes: sideshowbarker 2024-07-18 21:33:22 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/232738fb7ad
1 changed files with 8 additions and 17 deletions
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25
Kernel/Thread.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -33,6 +33,7 @@
#include <Kernel/Debug.h>
#include <Kernel/FileSystem/FileDescription.h>
#include <Kernel/KSyms.h>
#include <Kernel/Panic.h>
#include <Kernel/PerformanceEventBuffer.h>
#include <Kernel/Process.h>
#include <Kernel/Scheduler.h>
@ -366,9 +367,7 @@ const char* Thread::state_string() const
return m_blocker->state_string();
}
}
klog() << "Thread::state_string(): Invalid state: " << state();
VERIFY_NOT_REACHED();
return nullptr;
PANIC("Thread::state_string(): Invalid state: {}", (int)state());
}
void Thread::finalize()
@ -700,9 +699,7 @@ DispatchSignalResult Thread::dispatch_signal(u8 signal)
VERIFY(process().is_user_process());
VERIFY(this == Thread::current());
#if SIGNAL_DEBUG
klog() << "signal: dispatch signal " << signal << " to " << *this << " state: " << state_string();
#endif
dbgln_if(SIGNAL_DEBUG, "Dispatch signal {} to {}, state: {}", signal, *this, state_string());
if (m_state == Invalid || !is_initialized()) {
// Thread has barely been created, we need to wait until it is
@ -725,7 +722,7 @@ DispatchSignalResult Thread::dispatch_signal(u8 signal)
auto& process = this->process();
auto tracer = process.tracer();
if (signal == SIGSTOP || (tracer && default_signal_action(signal) == DefaultSignalAction::DumpCore)) {
dbgln_if(SIGNAL_DEBUG, "signal: signal {} sopping thread {}", signal, *this);
dbgln_if(SIGNAL_DEBUG, "Signal {} stopping this thread", signal);
set_state(State::Stopped, signal);
return DispatchSignalResult::Yield;
}
@ -771,9 +768,7 @@ DispatchSignalResult Thread::dispatch_signal(u8 signal)
}
if (handler_vaddr.as_ptr() == SIG_IGN) {
#if SIGNAL_DEBUG
klog() << "signal: " << *this << " ignored signal " << signal;
#endif
dbgln_if(SIGNAL_DEBUG, "Ignored signal {}", signal);
return DispatchSignalResult::Continue;
}
@ -802,9 +797,7 @@ DispatchSignalResult Thread::dispatch_signal(u8 signal)
FlatPtr* stack = &state.userspace_esp;
#endif
#if SIGNAL_DEBUG
klog() << "signal: setting up user stack to return to eip: " << String::format("%p", (void*)ret_eip) << " esp: " << String::format("%p", (void*)old_esp);
#endif
dbgln_if(SIGNAL_DEBUG, "Setting up user stack to return to EIP {:p}, ESP {:p}", ret_eip, old_esp);
#if ARCH(I386)
// Align the stack to 16 bytes.
@ -847,9 +840,7 @@ DispatchSignalResult Thread::dispatch_signal(u8 signal)
setup_stack(regs);
regs.eip = process.signal_trampoline().get();
#if SIGNAL_DEBUG
dbgln("signal: Thread in state '{}' has been primed with signal handler {:04x}:{:08x} to deliver {}", state_string(), m_tss.cs, m_tss.eip, signal);
#endif
dbgln_if(SIGNAL_DEBUG, "Thread in state '{}' has been primed with signal handler {:04x}:{:08x} to deliver {}", state_string(), m_tss.cs, m_tss.eip, signal);
return DispatchSignalResult::Continue;
}