diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 3339777c15..2273f0bcff 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -625,6 +625,8 @@ static void Break(u32 reason, u64 info1, u64 info2) { "Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}", reason, info1, info2); handle_debug_buffer(info1, info2); + GetCurrentThread()->LogBacktrace(); + ASSERT(false); Core::CurrentProcess()->PrepareForTermination(); diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index 4ffb768183..a044db6e71 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -388,6 +388,23 @@ bool Thread::InvokeWakeupCallback(ThreadWakeupReason reason, SharedPtr t return wakeup_callback(reason, std::move(thread), std::move(object), index); } +void Thread::LogBacktrace() { + auto& system = Core::System::GetInstance(); + VAddr fp = system.ArmInterface(processor_id).GetReg(29); + VAddr lr = system.ArmInterface(processor_id).GetReg(30); + VAddr sp = system.ArmInterface(processor_id).GetReg(13); + VAddr pc = system.ArmInterface(processor_id).GetPC(); + LOG_ERROR(Debug, "Backtrace, sp={:016X}, pc={:016X}", sp, pc); + for (std::size_t i = 0; i < 256; i++) { + LOG_ERROR(Debug, "{:016X}", lr - 4); + if (!fp) { + break; + } + lr = Memory::Read64(fp + 8); + fp = Memory::Read64(fp); + } +} + //////////////////////////////////////////////////////////////////////////////////////////////////// /** diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h index d384d50dbc..469f8a56db 100644 --- a/src/core/hle/kernel/thread.h +++ b/src/core/hle/kernel/thread.h @@ -240,6 +240,11 @@ public: return status == ThreadStatus::WaitSynchAll; } + /** + * Logs the backtrace for the current thread + */ + void LogBacktrace(); + ThreadContext& GetContext() { return context; }