Add example handler for ujit and scrape it from vm.o

tool/ruby_vm/models/instructions.rb

@@ -14,9 +14,72 @@ require_relative 'bare_instructions'
 require_relative 'operands_unifications'
 require_relative 'instructions_unifications'
 
+class RubyVM::UJITExampleInstructions
+  include RubyVM::CEscape
+
+  attr_reader :name
+
+  def initialize name
+    @name = name
+  end
+
+  def pretty_name
+    return sprintf "%s(...)(...)(...)", @name
+  end
+
+  def jump_destination
+    return @orig.name
+  end
+
+  def bin
+    return sprintf "BIN(%s)", @name
+  end
+
+  def width
+    1
+  end
+
+  def operands_info
+    ""
+  end
+
+  def rets
+    return ['...']
+  end
+
+  def pops
+    return ['...']
+  end
+
+  def attributes
+    return []
+  end
+
+  def has_attribute? *;
+    return false
+  end
+
+  def handles_sp?
+    false
+  end
+
+  def always_leaf?
+    false
+  end
+
+  @all_examples = [new('ujit_call_example')]
+
+  def self.to_a
+    @all_examples
+  end
+end
+
 RubyVM::Instructions = RubyVM::BareInstructions.to_a + \
                        RubyVM::OperandsUnifications.to_a + \
-                       RubyVM::InstructionsUnifications.to_a
+                       RubyVM::InstructionsUnifications.to_a + \
+                       RubyVM::UJITExampleInstructions.to_a
+
+                
 
 require_relative 'trace_instructions'
 RubyVM::Instructions.freeze