feat: support makepdb format.

AskRVA/README.md

@@ -17,7 +17,8 @@ known as magicblob), PreLoader no longer handles PDB. The source code in the cur
 - Just execute `xmake` to complete the build.
 
 ### Usage
- - --output-format can be `auto` / `txt` / `fakepdb`
+
+- --output-format can be `auto` / `txt` / `fakepdb` / `makepdb`
 
 ```
 Usage: askrva [--help] [--version] --output VAR [--output-failed VAR] [--output-format VAR] path

AskRVA/src/format/output/makepdb.cpp

@@ -0,0 +1,33 @@
+#include "format/output/makepdb.h"
+
+#include <nlohmann/json.hpp>
+
+namespace format::output {
+
+void OutputMakePDBFile::record(std::string_view symbol, uint64_t rva, bool is_function) {
+    m_records.emplace(std::string(symbol), rva, is_function);
+}
+
+void OutputMakePDBFile::save(std::string_view path) const {
+    std::ofstream ofs(path.data());
+    if (!ofs) {
+        throw std::runtime_error("Failed to open save file.");
+    }
+
+    nlohmann::json data;
+
+    // MakePDB - Format V1
+    data["version"] = 1;
+
+    for (const auto& [symbol, rva, is_fun] : m_records) {
+        data["data"].emplace_back(nlohmann::json{
+            {"symbol",      symbol},
+            {"rva",         rva   },
+            {"is_function", is_fun}
+        });
+    }
+
+    ofs << data.dump(4);
+}
+
+} // namespace format::output

AskRVA/src/format/output/makepdb.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "format/output/all.h"
+
+namespace format::output {
+
+class OutputMakePDBFile : public DefaultOutputFile {
+public:
+    void record(std::string_view symbol, uint64_t rva, bool is_function) override;
+    void save(std::string_view path) const override;
+
+private:
+    std::unordered_set<std::tuple<std::string, uint64_t, bool>> m_records;
+};
+
+} // namespace format::output