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core/debugger: Improved stepping mechanism and misc fixes

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This commit is contained in:
Liam 2022-05-31 14:37:37 -04:00
parent 2ee161a0bf
commit da50e98e3a
16 changed files with 252 additions and 122 deletions
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45
src/core/arm/arm_interface.cpp
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@ -11,6 +11,7 @@
#include "core/core.h"
#include "core/debugger/debugger.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/svc.h"
#include "core/loader/loader.h"
#include "core/memory.h"
@ -89,8 +90,48 @@ void ARM_Interface::LogBacktrace() const {
}
}
bool ARM_Interface::ShouldStep() const {
return system.DebuggerEnabled() && system.GetDebugger().IsStepping();
void ARM_Interface::Run() {
using Kernel::StepState;
using Kernel::SuspendType;
while (true) {
Kernel::KThread* current_thread{system.Kernel().CurrentScheduler()->GetCurrentThread()};
Dynarmic::HaltReason hr{};
// Notify the debugger and go to sleep if a step was performed
// and this thread has been scheduled again.
if (current_thread->GetStepState() == StepState::StepPerformed) {
system.GetDebugger().NotifyThreadStopped(current_thread);
current_thread->RequestSuspend(SuspendType::Debug);
break;
}
// Otherwise, run the thread.
if (current_thread->GetStepState() == StepState::StepPending) {
hr = StepJit();
if (Has(hr, step_thread)) {
current_thread->SetStepState(StepState::StepPerformed);
}
} else {
hr = RunJit();
}
// Notify the debugger and go to sleep if a breakpoint was hit.
if (Has(hr, breakpoint)) {
system.GetDebugger().NotifyThreadStopped(current_thread);
current_thread->RequestSuspend(Kernel::SuspendType::Debug);
break;
}
// Handle syscalls and scheduling (this may change the current thread)
if (Has(hr, svc_call)) {
Kernel::Svc::Call(system, GetSvcNumber());
}
if (Has(hr, break_loop) || !uses_wall_clock) {
break;
}
}
}
} // namespace Core