From 30363cc760f848b71de450d1b0a64f26e742ddac Mon Sep 17 00:00:00 2001
From: momo5502 <mauriceheumann@gmail.com>
Date: Sun, 25 May 2025 17:56:50 +0200
Subject: [PATCH] Reimplement snapshot support

---
 src/fuzzer/main.cpp                       |  2 +-
 src/windows-emulator/windows_emulator.cpp | 12 ++++--------
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/src/fuzzer/main.cpp b/src/fuzzer/main.cpp
index 9623f7e9..5d088e56 100644
--- a/src/fuzzer/main.cpp
+++ b/src/fuzzer/main.cpp
@@ -75,7 +75,7 @@ namespace
             emu.restore_snapshot();
         }
 
-        fuzzer::execution_result execute(std::span<const uint8_t> data,
+        fuzzer::execution_result execute(const std::span<const uint8_t> data,
                                          const std::function<fuzzer::coverage_functor>& coverage_handler) override
         {
             // printf("Input size: %zd\n", data.size());
diff --git a/src/windows-emulator/windows_emulator.cpp b/src/windows-emulator/windows_emulator.cpp
index 8b4b3181..fc2458a8 100644
--- a/src/windows-emulator/windows_emulator.cpp
+++ b/src/windows-emulator/windows_emulator.cpp
@@ -696,11 +696,9 @@ void windows_emulator::deserialize(utils::buffer_deserializer& buffer)
     this->dispatcher.deserialize(buffer);
 }
 
-// NOLINTNEXTLINE(readability-convert-member-functions-to-static)
 void windows_emulator::save_snapshot()
 {
-    throw std::runtime_error("Not supported");
-    /*utils::buffer_serializer serializer{};
+    utils::buffer_serializer serializer{};
     this->emu().serialize_state(serializer, true);
     this->memory.serialize_memory_state(serializer, true);
     this->mod_manager.serialize(serializer);
@@ -709,14 +707,12 @@ void windows_emulator::save_snapshot()
     this->process_snapshot_ = serializer.move_buffer();
 
     // TODO: Make process copyable
-    // this->process_snapshot_ = this->process;*/
+    // this->process_snapshot_ = this->process;
 }
 
-// NOLINTNEXTLINE(readability-convert-member-functions-to-static)
 void windows_emulator::restore_snapshot()
 {
-    throw std::runtime_error("Not supported");
-    /*if (this->process_snapshot_.empty())
+    if (this->process_snapshot_.empty())
     {
         assert(false);
         return;
@@ -727,5 +723,5 @@ void windows_emulator::restore_snapshot()
     this->memory.deserialize_memory_state(deserializer, true);
     this->mod_manager.deserialize(deserializer);
     this->process.deserialize(deserializer);
-    // this->process = *this->process_snapshot_;*/
+    // this->process = *this->process_snapshot_;
 }