diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index e69de29..0000000
diff --git a/scripts/dethunk/header_preprocessor.py b/scripts/dethunk/header_preprocessor.py
index d193abf..9448c6c 100644
--- a/scripts/dethunk/header_preprocessor.py
+++ b/scripts/dethunk/header_preprocessor.py
@@ -19,6 +19,9 @@ class ClassDefine:
         self.is_template = is_template
         self.is_empty = is_empty
 
+        # if is_empty:
+        #    print(rpath)
+
 
 def add_class_record(path: str, namespace: str, class_name: str, is_template: bool, is_empty: bool):
     assert len(path) > 0 and len(class_name) > 0
diff --git a/src/data_format/bound_symbol_list.cpp b/src/data_format/bound_symbol_list.cpp
index 5407c50..2c1fc14 100644
--- a/src/data_format/bound_symbol_list.cpp
+++ b/src/data_format/bound_symbol_list.cpp
@@ -13,7 +13,7 @@ void BoundSymbolList::read(const fs::path& path) {
     auto data = nlohmann::json::parse(ifs);
 
     m_entities.clear();
-    for (const auto& entity : data["data"]) {
+    for (const auto& entity : data) {
         m_entities.emplace(entity);
     }
 }
diff --git a/src/data_format/typed_symbol_list.cpp b/src/data_format/typed_symbol_list.cpp
index 55d2715..37ff6fd 100644
--- a/src/data_format/typed_symbol_list.cpp
+++ b/src/data_format/typed_symbol_list.cpp
@@ -27,7 +27,7 @@ void TypedSymbolList::read(const fs::path& path) {
 void TypedSymbolList::write(const fs::path& path) const {
     std::ofstream ofs(path);
     for (const auto& [symbol, decl_type] : m_data) {
-        ofs << symbol << ", " << decl_type.string() << "\n";
+        ofs << decl_type.string() << ", " << symbol << "\n";
     }
 }
 
diff --git a/src/data_format/typed_symbol_list.h b/src/data_format/typed_symbol_list.h
index 78e3e09..9b44285 100644
--- a/src/data_format/typed_symbol_list.h
+++ b/src/data_format/typed_symbol_list.h
@@ -18,6 +18,8 @@ public:
 
     void record(const std::string& symbol, DeclType type);
 
+    constexpr size_t count() const { return m_data.size(); }
+
     constexpr void for_each(const for_each_callback_t& callback) const {
         for (const auto& entity : m_data) callback(entity);
     }
diff --git a/src/error.h b/src/error.h
index b79de7e..77f9dd9 100644
--- a/src/error.h
+++ b/src/error.h
@@ -47,11 +47,11 @@ public:
         if (!m_context_information.empty()) {
             context_information = "\n\nContext Information: \n";
             for (const auto& [key, value] : m_context_information) {
-                context_information += std::format("  {} = {}", key, value);
+                context_information += std::format("  {} = {}\n", key, value);
             }
         }
 
-        std::string stacktrace = "\n\nStackTrace: \n";
+        std::string stacktrace = "\nStackTrace: \n";
         int         stack_idx  = -1; // ignore first entry.
         for (const auto& entry : m_stacktrace) {
             stack_idx++;
@@ -61,7 +61,7 @@ public:
             if (func_name.empty()) func_name = "<unknown>";
             if (source_file.empty()) source_file = "<\?\?>";
             stacktrace += std::format(
-                "  #{} {} at {}:{}",
+                "  #{} {} at {}:{}\n",
                 stack_idx,
                 func_name,
                 source_file,
@@ -70,7 +70,7 @@ public:
         }
 
         return std::format(
-            "[{}] {}{}{}\n",
+            "[{}] {}{}{}",
             category(),
             m_reason,
             context_information,
diff --git a/src/object_file/pdb.cpp b/src/object_file/pdb.cpp
index 34432ed..aaa54f7 100644
--- a/src/object_file/pdb.cpp
+++ b/src/object_file/pdb.cpp
@@ -26,6 +26,9 @@ void PDB::read(const fs::path& path) {
         loadDataForPDB(PDB_ReaderType::Native, path.string(), m_session)
     );
 
+    m_storaged_Ipi.reset(new codeview::MergingTypeTableBuilder(m_Alloc));
+    m_storaged_Tpi.reset(new codeview::MergingTypeTableBuilder(m_Alloc));
+
     auto& pdb_file = get_native_session().getPDBFile();
 
     SmallVector<codeview::TypeIndex, 128> type_map;
@@ -162,17 +165,15 @@ void PDB::build() {
                                         this](const BoundSymbol& entity) {
             BulkPublic symbol;
 
-            auto section_index =
-                m_owning_coff->get_section_index(entity.m_rva - m_image_base);
-            auto section = check_llvm_result(
+            auto section_index = m_owning_coff->get_section_index(entity.m_rva);
+            auto section       = check_llvm_result(
                 m_owning_coff->get_owning_coff().getSection(section_index + 1)
             );
 
             symbol.Name    = strdup(entity.m_symbol_name.c_str());
             symbol.NameLen = entity.m_symbol_name.size();
             symbol.Segment = section_index + 1;
-            symbol.Offset =
-                entity.m_rva - m_image_base - section->VirtualAddress;
+            symbol.Offset  = entity.m_rva - section->VirtualAddress;
             if (entity.m_is_function) symbol.setFlags(PublicSymFlags::Function);
 
             publics.emplace_back(symbol);
diff --git a/src/tools/askrva/main.cpp b/src/tools/askrva/main.cpp
index a884e50..df31587 100644
--- a/src/tools/askrva/main.cpp
+++ b/src/tools/askrva/main.cpp
@@ -66,33 +66,43 @@ using namespace di::data_format;
 
 int main(int argc, char* argv[]) try {
 
-    auto args    = load_args(argc, argv);
-    auto symlist = TypedSymbolList();
+    auto args = load_args(argc, argv);
 
+    TypedSymbolList symlist;
     BoundSymbolList bound_symbol_list;
     RawText         failed_list;
 
+    for (const auto& input_path : args.m_input_paths) {
+        symlist.read(input_path);
+    }
+
+    std::println(
+        "{} symbols loaded from {} file(s).",
+        symlist.count(),
+        args.m_input_paths.size()
+    );
+
 #if !DI_USE_NATIVE_SYMBOL_RESOLVER
     MagicBlob magic_blob;
     magic_blob.read(args.m_magic_blob_path);
+
+    std::println("{} entries loaded from magicblob.", magic_blob.count());
 #endif
 
     symlist.for_each([&](const TypedSymbol& symbol) {
         auto& sym = symbol.m_name;
 #if DI_USE_NATIVE_SYMBOL_RESOLVER
-        auto rva = pl::symbol_provider::pl_resolve_symbol_silent_n(
+        auto address = pl::symbol_provider::pl_resolve_symbol_silent_n(
             sym.c_str(),
             sym.size()
         );
+        // TODO: imagebase...
 #else
-        auto rva = magic_blob.query(sym);
+        auto entry = magic_blob.query(sym);
 #endif
-        if (rva) {
-            bound_symbol_list.record(
-                symbol.m_name,
-                reinterpret_cast<uintptr_t>(rva),
-                symbol.m_type.is_function()
-            );
+        if (entry) {
+            bound_symbol_list
+                .record(symbol.m_name, entry->rva, symbol.m_type.is_function());
         } else {
             failed_list.record(symbol.m_name);
         }
@@ -108,4 +118,7 @@ int main(int argc, char* argv[]) try {
 } catch (const BaseException& e) {
     std::cerr << e;
     return 1;
+} catch (const std::exception& e) {
+    std::cerr << e.what() << "\n";
+    return 1;
 }
diff --git a/src/tools/blob-extractor/main.cpp b/src/tools/blob-extractor/main.cpp
index f47d3e1..247f24d 100644
--- a/src/tools/blob-extractor/main.cpp
+++ b/src/tools/blob-extractor/main.cpp
@@ -55,5 +55,8 @@ int main(int argc, char* argv[]) try {
     return 0;
 } catch (const BaseException& e) {
     std::cerr << e;
-    return -1;
+    return 1;
+} catch (const std::exception& e) {
+    std::cerr << e.what() << "\n";
+    return 1;
 }
diff --git a/src/tools/extractsym/main.cpp b/src/tools/extractsym/main.cpp
index d4f0a07..c405fa7 100644
--- a/src/tools/extractsym/main.cpp
+++ b/src/tools/extractsym/main.cpp
@@ -57,9 +57,13 @@ int main(int argc, char* argv[]) try {
         );
     });
 
+    symbol_list.write(args.m_output_path);
 
     return 0;
 } catch (const BaseException& e) {
     std::cerr << e;
-    return -1;
-}
+    return 1;
+} catch (const std::exception& e) {
+    std::cerr << e.what() << "\n";
+    return 1;
+}
\ No newline at end of file
diff --git a/src/tools/makepdb/main.cpp b/src/tools/makepdb/main.cpp
index 7fb03f9..a1bdd70 100644
--- a/src/tools/makepdb/main.cpp
+++ b/src/tools/makepdb/main.cpp
@@ -71,5 +71,8 @@ int main(int argc, char* argv[]) try {
     return 0;
 } catch (const BaseException& e) {
     std::cerr << e;
-    return -1;
+    return 1;
+} catch (const std::exception& e) {
+    std::cerr << e.what() << "\n";
+    return 1;
 }
diff --git a/xmake.lua b/xmake.lua
index 008525f..60021bc 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -47,6 +47,10 @@ end
 
 if is_mode('debug') then 
     add_defines('DI_DEBUG')
+
+    -- to fix llvm link problem
+    -- see https://stackoverflow.com/questions/53805007/compilation-failing-on-enableabibreakingchecks
+    add_defines('LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING=1')
 end
 
 --- targets