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dmnt: use hardware single step extension if available

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This commit is contained in:
Michael Scire
2021-07-27 05:34:51 -07:00
committed by SciresM
parent 4075d24e0c
commit 05ea0c53d7
2 changed files with 28 additions and 17 deletions
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9
stratosphere/dmnt.gen2/source/dmnt2_debug_process.hpp
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@@ -52,6 +52,7 @@ namespace ams::dmnt {
u64 m_continue_thread_id{};
GdbSignal m_last_signal{};
bool m_stepping{false};
bool m_use_hardware_single_step{false};
bool m_thread_valid[ThreadCountMax]{};
u64 m_thread_ids[ThreadCountMax]{};
osdbg::ThreadInfo m_thread_infos[ThreadCountMax]{};
@@ -64,8 +65,12 @@ namespace ams::dmnt {
size_t m_module_count{};
size_t m_main_module{};
public:
/* TODO: ifdef for hardware breakpoints. */
DebugProcess() : m_software_breakpoints(this), m_hardware_breakpoints(this), m_hardware_watchpoints(this), m_step_breakpoints(m_software_breakpoints) { /* ... */ }
DebugProcess() : m_software_breakpoints(this), m_hardware_breakpoints(this), m_hardware_watchpoints(this), m_step_breakpoints(m_software_breakpoints) {
if (svc::IsKernelMesosphere()) {
uint64_t value = 0;
m_use_hardware_single_step = R_SUCCEEDED(::ams::svc::GetInfo(std::addressof(value), ::ams::svc::InfoType_MesosphereMeta, ::ams::svc::InvalidHandle, ::ams::svc::MesosphereMetaInfo_IsSingleStepEnabled)) && value != 0;
}
}
~DebugProcess() { this->Detach(); }
svc::Handle GetHandle() const { return m_debug_handle; }