Function ReconstructThreadState

Source/Windows/ARM64EC/Module.cpp:438–457

}

static void ReconstructThreadState(FEXCore::Core::InternalThreadState* Thread, ARM64_NT_CONTEXT& Context) {
  const auto& Config = SignalDelegator->GetConfig();
  auto& State = Thread->CurrentFrame->State;

  State.rip = CTX->RestoreRIPFromHostPC(Thread, Context.Pc);

  // Spill all SRA GPRs
  for (size_t i = 0; i < Config.SRAGPRCount; i++) {
    State.gregs[i] = Context.X[Config.SRAGPRMapping[i]];
  }

  // Spill all SRA FPRs
  for (size_t i = 0; i < Config.SRAFPRCount; i++) {
    memcpy(State.xmm.sse.data[i], &Context.V[Config.SRAFPRMapping[i]], sizeof(__uint128_t));
  }

  // Spill EFlags
  uint32_t EFlags = CTX->ReconstructCompactedEFLAGS(Thread, true, Context.X, Context.Cpsr);
  CTX->SetFlagsFromCompactedEFLAGS(Thread, EFlags);
}

// Reconstructs an x64 context from the input thread's state, packed into a regular ARM64 context following the ARM64EC register mapping
static ARM64_NT_CONTEXT StoreStateToPackedECContext(FEXCore::Core::InternalThreadState* Thread, uint32_t FPCR, uint32_t FPSR) {