[GDB-JIT][Linux] Fix incorrect displaying of (s)byte and char in lldb (#9022)

* [GDB-JIT] Initial support of typedef for correct displaying 'byte' and 'sbyte'

* [GDB-JIT] Add char typedef to show correct type in lldb

* Code cleanup

1 files changed, 37 insertions, 0 deletions

diff --git a/src/vm/gdbjit.h b/src/vm/gdbjit.h
index 3160eccf57..19ece0180a 100644
--- a/src/vm/gdbjit.h
+++ b/src/vm/gdbjit.h
@@ -184,6 +184,43 @@ public:
     int m_type_encoding;
 };
 
+class TypeDefInfo : public DwarfDumpable
+{
+public:
+    TypeDefInfo(char *typedef_name,int typedef_type):
+    m_typedef_name(typedef_name), m_typedef_type(typedef_type) {}
+    void DumpStrings(char* ptr, int& offset) override;
+    void DumpDebugInfo(char* ptr, int& offset) override;
+    virtual ~TypeDefInfo()
+    {
+        if (m_typedef_name != nullptr)
+        {
+            delete [] m_typedef_name;
+        }
+    }
+    char *m_typedef_name;
+    int m_typedef_type;
+    int m_typedef_type_offset;
+    int m_typedef_name_offset;
+};
+
+class ByteTypeInfo : public PrimitiveTypeInfo
+{
+public:
+    ByteTypeInfo(TypeHandle typeHandle, int encoding) : PrimitiveTypeInfo(typeHandle, encoding)
+    {
+        m_typedef_info = new (nothrow) TypeDefInfo(nullptr, 0);
+    }
+    virtual ~ByteTypeInfo()
+    {
+        delete m_typedef_info;
+    }
+    void DumpDebugInfo(char* ptr, int& offset) override;
+    void DumpStrings(char* ptr, int& offset) override;
+
+    TypeDefInfo* m_typedef_info;
+};
+
 class RefTypeInfo: public TypeInfoBase
 {
 public: