Misc experimentation.

src/alloy/backend/x64/x64_sequences.cc

@@ -3439,6 +3439,7 @@ EMITTER_OPCODE_TABLE(
 // ============================================================================
 // TODO(benvanik): use approx here:
 //     http://jrfonseca.blogspot.com/2008/09/fast-sse2-pow-tables-or-polynomials.html
+// TODO(benvanik): this emulated fn destroys all xmm registers! don't do it!
 EMITTER(LOG2_F32, MATCH(I<OPCODE_LOG2, F32<>, F32<>>)) {
   static __m128 EmulateLog2(__m128 src) {
     float result = log2(src.m128_f32[0]);

src/xenia/kernel/xboxkrnl_debug.cc

@@ -288,9 +288,13 @@ SHIM_CALL RtlRaiseException_shim(
     }
 
     if (thread) {
+      XELOGD("SetThreadName(%d, %s)", thread->thread_id(), name);
       thread->set_name(name);
       thread->Release();
     }
+
+    // TODO(benvanik): unwinding required here?
+    return;
   }
 
   // TODO(benvanik): unwinding.

src/xenia/kernel/xboxkrnl_io.cc

@@ -392,6 +392,13 @@ SHIM_CALL NtQueryInformationFile_shim(
   if (XSUCCEEDED(result)) {
     result = X_STATUS_SUCCESS;
     switch (file_info_class) {
+    case XFileInternalInformation:
+      // Internal unique file pointer. Not sure why anyone would want this.
+      XEASSERT(length == 8);
+      info = 8;
+      // TODO(benvanik): use pointer to fs:: entry?
+      SHIM_SET_MEM_64(file_info_ptr, hash_combine(0, file->absolute_path()));
+      break;
     case XFilePositionInformation:
       // struct FILE_POSITION_INFORMATION {
       //   LARGE_INTEGER CurrentByteOffset;