HLE: Rename GetFunctionIndex functions

Source/Core/Core/HLE/HLE.cpp

@@ -161,15 +161,15 @@ void Execute(u32 current_pc, u32 instruction)
   }
 }
 
-u32 GetFunctionIndex(u32 address)
+u32 GetHookByAddress(u32 address)
 {
   auto iter = s_hooked_addresses.find(address);
   return (iter != s_hooked_addresses.end()) ? iter->second : 0;
 }
 
-u32 GetFirstFunctionIndex(u32 address)
+u32 GetHookByFunctionAddress(u32 address)
 {
-  const u32 index = GetFunctionIndex(address);
+  const u32 index = GetHookByAddress(address);
   // Fixed hooks use a fixed address and don't patch the whole function
   if (index == 0 || os_patches[index].flags == HookFlag::Fixed)
     return index;

Source/Core/Core/HLE/HLE.h

@@ -33,10 +33,10 @@ void Patch(u32 pc, std::string_view func_name);
 u32 UnPatch(std::string_view patch_name);
 void Execute(u32 _CurrentPC, u32 _Instruction);
 
-// Returns the HLE function index if the address is located in the function
-u32 GetFunctionIndex(u32 address);
+// Returns the HLE function index of the address
+u32 GetHookByAddress(u32 address);
 // Returns the HLE function index if the address matches the function start
-u32 GetFirstFunctionIndex(u32 address);
+u32 GetHookByFunctionAddress(u32 address);
 HookType GetFunctionTypeByIndex(u32 index);
 HookFlag GetFunctionFlagsByIndex(u32 index);
 
@@ -56,7 +56,7 @@ bool IsEnabled(HookFlag flag);
 template <typename FunctionObject>
 bool ReplaceFunctionIfPossible(u32 address, FunctionObject fn)
 {
-  const u32 function = GetFirstFunctionIndex(address);
+  const u32 function = GetHookByFunctionAddress(address);
   if (function == 0)
     return false;