diff --git a/Source/Core/Common/SymbolDB.cpp b/Source/Core/Common/SymbolDB.cpp
index 0c2268b39a..eabb098f28 100644
--- a/Source/Core/Common/SymbolDB.cpp
+++ b/Source/Core/Common/SymbolDB.cpp
@@ -28,25 +28,25 @@ void Symbol::Rename(const std::string& symbol_name)
 
 void SymbolDB::List()
 {
-  for (const auto& func : functions)
+  for (const auto& func : m_functions)
   {
     DEBUG_LOG(OSHLE, "%s @ %08x: %i bytes (hash %08x) : %i calls", func.second.name.c_str(),
-              func.second.address, func.second.size, func.second.hash, func.second.numCalls);
+              func.second.address, func.second.size, func.second.hash, func.second.num_calls);
   }
-  INFO_LOG(OSHLE, "%zu functions known in this program above.", functions.size());
+  INFO_LOG(OSHLE, "%zu functions known in this program above.", m_functions.size());
 }
 
 void SymbolDB::Clear(const char* prefix)
 {
   // TODO: honor prefix
-  functions.clear();
-  checksumToFunction.clear();
+  m_functions.clear();
+  m_checksum_to_function.clear();
 }
 
 void SymbolDB::Index()
 {
   int i = 0;
-  for (auto& func : functions)
+  for (auto& func : m_functions)
   {
     func.second.index = i++;
   }
@@ -54,7 +54,7 @@ void SymbolDB::Index()
 
 Symbol* SymbolDB::GetSymbolFromName(const std::string& name)
 {
-  for (auto& func : functions)
+  for (auto& func : m_functions)
   {
     if (func.second.function_name == name)
       return &func.second;
@@ -67,7 +67,7 @@ std::vector<Symbol*> SymbolDB::GetSymbolsFromName(const std::string& name)
 {
   std::vector<Symbol*> symbols;
 
-  for (auto& func : functions)
+  for (auto& func : m_functions)
   {
     if (func.second.function_name == name)
       symbols.push_back(&func.second);
@@ -78,18 +78,18 @@ std::vector<Symbol*> SymbolDB::GetSymbolsFromName(const std::string& name)
 
 Symbol* SymbolDB::GetSymbolFromHash(u32 hash)
 {
-  XFuncPtrMap::iterator iter = checksumToFunction.find(hash);
-  if (iter != checksumToFunction.end())
-    return *iter->second.begin();
-  else
+  auto iter = m_checksum_to_function.find(hash);
+  if (iter == m_checksum_to_function.end())
     return nullptr;
+
+  return *iter->second.begin();
 }
 
 std::vector<Symbol*> SymbolDB::GetSymbolsFromHash(u32 hash)
 {
-  const auto iter = checksumToFunction.find(hash);
+  const auto iter = m_checksum_to_function.find(hash);
 
-  if (iter == checksumToFunction.cend())
+  if (iter == m_checksum_to_function.cend())
     return {};
 
   return {iter->second.cbegin(), iter->second.cend()};
@@ -97,5 +97,5 @@ std::vector<Symbol*> SymbolDB::GetSymbolsFromHash(u32 hash)
 
 void SymbolDB::AddCompleteSymbol(const Symbol& symbol)
 {
-  functions.emplace(symbol.address, symbol);
+  m_functions.emplace(symbol.address, symbol);
 }
diff --git a/Source/Core/Common/SymbolDB.h b/Source/Core/Common/SymbolDB.h
index 7b6a088124..e048ea9007 100644
--- a/Source/Core/Common/SymbolDB.h
+++ b/Source/Core/Common/SymbolDB.h
@@ -17,9 +17,9 @@
 
 struct SCall
 {
-  SCall(u32 a, u32 b) : function(a), callAddress(b) {}
+  SCall(u32 a, u32 b) : function(a), call_address(b) {}
   u32 function;
-  u32 callAddress;
+  u32 call_address;
 };
 
 struct Symbol
@@ -40,7 +40,7 @@ struct Symbol
   u32 address = 0;
   u32 flags = 0;
   u32 size = 0;
-  int numCalls = 0;
+  int num_calls = 0;
   Type type = Type::Function;
   int index = 0;  // only used for coloring the disasm view
   bool analyzed = false;
@@ -62,15 +62,10 @@ public:
   typedef std::map<u32, Symbol> XFuncMap;
   typedef std::map<u32, std::set<Symbol*>> XFuncPtrMap;
 
-protected:
-  XFuncMap functions;
-  XFuncPtrMap checksumToFunction;
-
-public:
   SymbolDB() {}
   virtual ~SymbolDB() {}
   virtual Symbol* GetSymbolFromAddr(u32 addr) { return nullptr; }
-  virtual Symbol* AddFunction(u32 startAddr) { return nullptr; }
+  virtual Symbol* AddFunction(u32 start_addr) { return nullptr; }
   void AddCompleteSymbol(const Symbol& symbol);
 
   Symbol* GetSymbolFromName(const std::string& name);
@@ -78,9 +73,13 @@ public:
   Symbol* GetSymbolFromHash(u32 hash);
   std::vector<Symbol*> GetSymbolsFromHash(u32 hash);
 
-  const XFuncMap& Symbols() const { return functions; }
-  XFuncMap& AccessSymbols() { return functions; }
+  const XFuncMap& Symbols() const { return m_functions; }
+  XFuncMap& AccessSymbols() { return m_functions; }
   void Clear(const char* prefix = "");
   void List();
   void Index();
+
+protected:
+  XFuncMap m_functions;
+  XFuncPtrMap m_checksum_to_function;
 };
diff --git a/Source/Core/Core/HW/DSPLLE/DSPSymbols.cpp b/Source/Core/Core/HW/DSPLLE/DSPSymbols.cpp
index 261f77dd3d..5e5cec69d0 100644
--- a/Source/Core/Core/HW/DSPLLE/DSPSymbols.cpp
+++ b/Source/Core/Core/HW/DSPLLE/DSPSymbols.cpp
@@ -61,20 +61,17 @@ const char* GetLineText(int line)
 
 Symbol* DSPSymbolDB::GetSymbolFromAddr(u32 addr)
 {
-  XFuncMap::iterator it = functions.find(addr);
+  auto it = m_functions.find(addr);
 
-  if (it != functions.end())
-  {
+  if (it != m_functions.end())
     return &it->second;
-  }
-  else
+
+  for (auto& func : m_functions)
   {
-    for (auto& func : functions)
-    {
-      if (addr >= func.second.address && addr < func.second.address + func.second.size)
-        return &func.second;
-    }
+    if (addr >= func.second.address && addr < func.second.address + func.second.size)
+      return &func.second;
   }
+
   return nullptr;
 }
 
diff --git a/Source/Core/Core/PowerPC/PPCSymbolDB.cpp b/Source/Core/Core/PowerPC/PPCSymbolDB.cpp
index 1e9ffc093a..5acb12748d 100644
--- a/Source/Core/Core/PowerPC/PPCSymbolDB.cpp
+++ b/Source/Core/Core/PowerPC/PPCSymbolDB.cpp
@@ -31,25 +31,25 @@ PPCSymbolDB::~PPCSymbolDB() = default;
 Symbol* PPCSymbolDB::AddFunction(u32 start_addr)
 {
   // It's already in the list
-  if (functions.find(start_addr) != functions.end())
+  if (m_functions.find(start_addr) != m_functions.end())
     return nullptr;
 
   Symbol symbol;
   if (!PPCAnalyst::AnalyzeFunction(start_addr, symbol))
     return nullptr;
 
-  functions[start_addr] = std::move(symbol);
-  Symbol* ptr = &functions[start_addr];
+  m_functions[start_addr] = std::move(symbol);
+  Symbol* ptr = &m_functions[start_addr];
   ptr->type = Symbol::Type::Function;
-  checksumToFunction[ptr->hash].insert(ptr);
+  m_checksum_to_function[ptr->hash].insert(ptr);
   return ptr;
 }
 
 void PPCSymbolDB::AddKnownSymbol(u32 startAddr, u32 size, const std::string& name,
                                  Symbol::Type type)
 {
-  auto iter = functions.find(startAddr);
-  if (iter != functions.end())
+  auto iter = m_functions.find(startAddr);
+  if (iter != m_functions.end())
   {
     // already got it, let's just update name, checksum & size to be sure.
     Symbol* tempfunc = &iter->second;
@@ -75,20 +75,20 @@ void PPCSymbolDB::AddKnownSymbol(u32 startAddr, u32 size, const std::string& nam
                  name.c_str(), size, tf.size);
         tf.size = size;
       }
-      checksumToFunction[tf.hash].insert(&functions[startAddr]);
+      m_checksum_to_function[tf.hash].insert(&m_functions[startAddr]);
     }
     else
     {
       tf.size = size;
     }
-    functions[startAddr] = tf;
+    m_functions[startAddr] = tf;
   }
 }
 
 Symbol* PPCSymbolDB::GetSymbolFromAddr(u32 addr)
 {
-  auto it = functions.lower_bound(addr);
-  if (it == functions.end())
+  auto it = m_functions.lower_bound(addr);
+  if (it == m_functions.end())
     return nullptr;
 
   // If the address is exactly the start address of a symbol, we're done.
@@ -96,7 +96,7 @@ Symbol* PPCSymbolDB::GetSymbolFromAddr(u32 addr)
     return &it->second;
 
   // Otherwise, check whether the address is within the bounds of a symbol.
-  if (it != functions.begin())
+  if (it != m_functions.begin())
     --it;
   if (addr >= it->second.address && addr < it->second.address + it->second.size)
     return &it->second;
@@ -115,21 +115,21 @@ std::string PPCSymbolDB::GetDescription(u32 addr)
 
 void PPCSymbolDB::FillInCallers()
 {
-  for (auto& p : functions)
+  for (auto& p : m_functions)
   {
     p.second.callers.clear();
   }
 
-  for (auto& entry : functions)
+  for (auto& entry : m_functions)
   {
     Symbol& f = entry.second;
     for (const SCall& call : f.calls)
     {
-      const SCall new_call(entry.first, call.callAddress);
+      const SCall new_call(entry.first, call.call_address);
       const u32 function_address = call.function;
 
-      auto func_iter = functions.find(function_address);
-      if (func_iter != functions.end())
+      auto func_iter = m_functions.find(function_address);
+      if (func_iter != m_functions.end())
       {
         Symbol& called_function = func_iter->second;
         called_function.callers.push_back(new_call);
@@ -146,8 +146,8 @@ void PPCSymbolDB::FillInCallers()
 
 void PPCSymbolDB::PrintCalls(u32 funcAddr) const
 {
-  const auto iter = functions.find(funcAddr);
-  if (iter == functions.end())
+  const auto iter = m_functions.find(funcAddr);
+  if (iter == m_functions.end())
   {
     WARN_LOG(SYMBOLS, "Symbol does not exist");
     return;
@@ -157,40 +157,40 @@ void PPCSymbolDB::PrintCalls(u32 funcAddr) const
   DEBUG_LOG(SYMBOLS, "The function %s at %08x calls:", f.name.c_str(), f.address);
   for (const SCall& call : f.calls)
   {
-    const auto n = functions.find(call.function);
-    if (n != functions.end())
+    const auto n = m_functions.find(call.function);
+    if (n != m_functions.end())
     {
-      DEBUG_LOG(SYMBOLS, "* %08x : %s", call.callAddress, n->second.name.c_str());
+      DEBUG_LOG(SYMBOLS, "* %08x : %s", call.call_address, n->second.name.c_str());
     }
   }
 }
 
 void PPCSymbolDB::PrintCallers(u32 funcAddr) const
 {
-  const auto iter = functions.find(funcAddr);
-  if (iter == functions.end())
+  const auto iter = m_functions.find(funcAddr);
+  if (iter == m_functions.end())
     return;
 
   const Symbol& f = iter->second;
   DEBUG_LOG(SYMBOLS, "The function %s at %08x is called by:", f.name.c_str(), f.address);
   for (const SCall& caller : f.callers)
   {
-    const auto n = functions.find(caller.function);
-    if (n != functions.end())
+    const auto n = m_functions.find(caller.function);
+    if (n != m_functions.end())
     {
-      DEBUG_LOG(SYMBOLS, "* %08x : %s", caller.callAddress, n->second.name.c_str());
+      DEBUG_LOG(SYMBOLS, "* %08x : %s", caller.call_address, n->second.name.c_str());
     }
   }
 }
 
 void PPCSymbolDB::LogFunctionCall(u32 addr)
 {
-  auto iter = functions.find(addr);
-  if (iter == functions.end())
+  auto iter = m_functions.find(addr);
+  if (iter == m_functions.end())
     return;
 
   Symbol& f = iter->second;
-  f.numCalls++;
+  f.num_calls++;
 }
 
 // The use case for handling bad map files is when you have a game with a map file on the disc,
@@ -426,7 +426,7 @@ bool PPCSymbolDB::SaveSymbolMap(const std::string& filename) const
   std::vector<const Symbol*> function_symbols;
   std::vector<const Symbol*> data_symbols;
 
-  for (const auto& function : functions)
+  for (const auto& function : m_functions)
   {
     const Symbol& symbol = function.second;
     if (symbol.type == Symbol::Type::Function)
@@ -472,7 +472,7 @@ bool PPCSymbolDB::SaveCodeMap(const std::string& filename) const
   fprintf(f.GetHandle(), ".text\n");
 
   u32 next_address = 0;
-  for (const auto& function : functions)
+  for (const auto& function : m_functions)
   {
     const Symbol& symbol = function.second;
 
diff --git a/Source/Core/DolphinQt2/Debugger/CodeWidget.cpp b/Source/Core/DolphinQt2/Debugger/CodeWidget.cpp
index 7e9a58bb43..542e68013b 100644
--- a/Source/Core/DolphinQt2/Debugger/CodeWidget.cpp
+++ b/Source/Core/DolphinQt2/Debugger/CodeWidget.cpp
@@ -347,7 +347,7 @@ void CodeWidget::UpdateFunctionCallers(const Symbol* symbol)
 
   for (const auto& caller : symbol->callers)
   {
-    const u32 addr = caller.callAddress;
+    const u32 addr = caller.call_address;
     const Symbol* caller_symbol = g_symbolDB.GetSymbolFromAddr(addr);
 
     if (caller_symbol)
diff --git a/Source/Core/DolphinWX/Debugger/CodeWindow.cpp b/Source/Core/DolphinWX/Debugger/CodeWindow.cpp
index 669bfb8a78..0dc98be2b7 100644
--- a/Source/Core/DolphinWX/Debugger/CodeWindow.cpp
+++ b/Source/Core/DolphinWX/Debugger/CodeWindow.cpp
@@ -440,7 +440,7 @@ void CCodeWindow::UpdateLists()
 
   for (auto& call : symbol->callers)
   {
-    u32 caller_addr = call.callAddress;
+    u32 caller_addr = call.call_address;
     Symbol* caller_symbol = g_symbolDB.GetSymbolFromAddr(caller_addr);
     if (caller_symbol)
     {