Rename MJIT filenames to RJIT

Merged: https://github.com/ruby/ruby/pull/7462

lib/ruby_vm/rjit/hooks.rb

@@ -0,0 +1,36 @@
+module RubyVM::MJIT
+  module Hooks # :nodoc: all
+    def self.on_bop_redefined(_redefined_flag, _bop)
+      # C.mjit_cancel_all("BOP is redefined")
+    end
+
+    def self.on_cme_invalidate(cme)
+      cme = C.rb_callable_method_entry_struct.new(cme)
+      Invariants.on_cme_invalidate(cme)
+    end
+
+    def self.on_ractor_spawn
+      # C.mjit_cancel_all("Ractor is spawned")
+    end
+
+    # Global constant changes like const_set
+    def self.on_constant_state_changed(id)
+      Invariants.on_constant_state_changed(id)
+    end
+
+    # ISEQ-specific constant invalidation
+    def self.on_constant_ic_update(iseq, ic, insn_idx)
+      iseq = C.rb_iseq_t.new(iseq)
+      ic = C.IC.new(ic)
+      Invariants.on_constant_ic_update(iseq, ic, insn_idx)
+    end
+
+    def self.on_tracing_invalidate_all(_new_iseq_events)
+      Invariants.on_tracing_invalidate_all
+    end
+
+    def self.on_update_references
+      Invariants.on_update_references
+    end
+  end
+end