Fleshing out the symbol database.

Now detecting a lot of functions via method hints and generating stub
functions. A few holes (in the test xex), but enough to move forward with
codegen.

include/xenia/core/memory.h

@@ -31,5 +31,9 @@ void xe_memory_release(xe_memory_ref memory);
 size_t xe_memory_get_length(xe_memory_ref memory);
 uint8_t *xe_memory_addr(xe_memory_ref memory, uint32_t guest_addr);
 
+uint32_t xe_memory_search_aligned(xe_memory_ref memory, uint32_t start,
+                                  uint32_t end, const uint32_t *values,
+                                  const size_t value_count);
+
 
 #endif  // XENIA_CORE_MEMORY_H_