Generate trampoline functions for GetProcAddressByOrdinal on kernel modules.

src/xenia/kernel/kernel_module.h

@@ -14,6 +14,10 @@
 #include "xenia/kernel/xmodule.h"
 
 namespace xe {
+namespace cpu {
+class RawModule;
+}  // namespace cpu
+
 namespace kernel {
 
 class KernelState;
@@ -30,6 +34,16 @@ class KernelModule : public XModule {
   Emulator* emulator_;
   Memory* memory_;
   xe::cpu::ExportResolver* export_resolver_;
+
+  // Guest trampoline for GetProcAddress
+  static const uint32_t kTrampolineSize = 400 * 8;
+  uint32_t guest_trampoline_ = 0;
+  uint32_t guest_trampoline_next_ = 0;  // Next free entry to be generated.
+  uint32_t guest_trampoline_size_ = 0;
+  cpu::RawModule* guest_trampoline_module_ = nullptr;
+  std::map<uint16_t, uint32_t> guest_trampoline_map_;
+
+  xe::global_critical_region global_critical_region_;
 };
 
 }  // namespace kernel