SVC: Replace GetPointer usage with ReadBlock in OutputDebugString.

src/core/hle/function_wrappers.h

@@ -267,9 +267,9 @@ void Wrap() {
     func(((s64)PARAM(1) << 32) | PARAM(0));
 }
 
-template <void func(const char*, int len)>
+template <void func(VAddr, int len)>
 void Wrap() {
-    func((char*)Memory::GetPointer(PARAM(0)), PARAM(1));
+    func(PARAM(0), PARAM(1));
 }
 
 template <void func(u8)>

src/core/hle/svc.cpp

@@ -619,8 +619,10 @@ static void Break(u8 break_reason) {
 }
 
 /// Used to output a message on a debug hardware unit - does nothing on a retail unit
-static void OutputDebugString(const char* string, int len) {
-    LOG_DEBUG(Debug_Emulated, "%.*s", len, string);
+static void OutputDebugString(VAddr address, int len) {
+    std::vector<char> string(len);
+    Memory::ReadBlock(address, string.data(), len);
+    LOG_DEBUG(Debug_Emulated, "%.*s", len, string.data());
 }
 
 /// Get resource limit