1 files changed, 8 insertions, 1 deletions
diff --git a/lib/mjit/x86_assembler.rb b/lib/mjit/x86_assembler.rb
index 1d010411db..ad194185ae 100644
--- a/lib/mjit/x86_assembler.rb
+++ b/lib/mjit/x86_assembler.rb
@@ -10,10 +10,13 @@ module RubyVM::MJIT
     # REX =   0100WR0B
     REX_W = 0b01001000
 
+    attr_reader :comments
+
     def initialize
       @bytes = []
-      @label_id = 0
       @labels = {}
+      @label_id = 0
+      @comments = Hash.new { |h, k| h[k] = [] }
     end
 
     def compile(addr)
@@ -173,6 +176,10 @@ module RubyVM::MJIT
       end
     end
 
+    def comment(message)
+      @comments[@bytes.size] << message
+    end
+
     def new_label(name)
       Label.new(id: @label_id += 1, name:)
     end