From 32847d8b860af1210612027680eea1cbf9765b51 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sun, 7 Jan 2018 09:22:20 -0500
Subject: IPC: Add functions to read the input move/copy objects from an IPC
 request.

---
 src/core/hle/kernel/hle_ipc.cpp | 16 ++++++++++++++--
 src/core/hle/kernel/hle_ipc.h   | 12 ++++++++++++
 2 files changed, 26 insertions(+), 2 deletions(-)

(limited to 'src/core/hle/kernel')

diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp
index 0ab28c0a2..1c6adb4a0 100644
--- a/src/core/hle/kernel/hle_ipc.cpp
+++ b/src/core/hle/kernel/hle_ipc.cpp
@@ -53,8 +53,20 @@ void HLERequestContext::ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming) {
         if (handle_descriptor_header->send_current_pid) {
             rp.Skip(2, false);
         }
-        rp.Skip(handle_descriptor_header->num_handles_to_copy, false);
-        rp.Skip(handle_descriptor_header->num_handles_to_move, false);
+        if (incoming) {
+            // Populate the object lists with the data in the IPC request.
+            for (u32 handle = 0; handle < handle_descriptor_header->num_handles_to_copy; ++handle) {
+                copy_objects.push_back(Kernel::g_handle_table.GetGeneric(rp.Pop<Handle>()));
+            }
+            for (u32 handle = 0; handle < handle_descriptor_header->num_handles_to_move; ++handle) {
+                move_objects.push_back(Kernel::g_handle_table.GetGeneric(rp.Pop<Handle>()));
+            }
+        } else {
+            // For responses we just ignore the handles, they're empty and will be populated when
+            // translating the response.
+            rp.Skip(handle_descriptor_header->num_handles_to_copy, false);
+            rp.Skip(handle_descriptor_header->num_handles_to_move, false);
+        }
     }
 
     for (unsigned i = 0; i < command_header->num_buf_x_descriptors; ++i) {
diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h
index 48730a2b2..266fcf9c1 100644
--- a/src/core/hle/kernel/hle_ipc.h
+++ b/src/core/hle/kernel/hle_ipc.h
@@ -147,6 +147,18 @@ public:
         return domain != nullptr;
     }
 
+    template<typename T>
+    SharedPtr<T> GetCopyObject(size_t index) {
+        ASSERT(index < copy_objects.size());
+        return DynamicObjectCast(copy_objects[index]);
+    }
+
+    template<typename T>
+    SharedPtr<T> GetMoveObject(size_t index) {
+        ASSERT(index < move_objects.size());
+        return DynamicObjectCast(move_objects[index]);
+    }
+
     void AddMoveObject(SharedPtr<Object> object) {
         move_objects.emplace_back(std::move(object));
     }
-- 
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