Add another method for debugging

ruby · Sep 6, 2022 · d5752f7 · d5752f7
1 parent 4c1f675
commit d5752f7
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/mjit_compiler.rb b/mjit_compiler.rb
@@ -90,10 +90,16 @@ def mjit_capture_is_entries(body, is_entries)
       }
     end
 
+    # Convert encoded VM pointers to insn BINs.
     def rb_vm_insn_decode(encoded)
       Primitive.cexpr! 'INT2NUM(rb_vm_insn_decode(NUM2PTR(encoded)))'
     end
 
+    # Convert insn BINs to encoded VM pointers. This one is not used by the compiler, but useful for debugging.
+    def rb_vm_insn_encode(bin)
+      Primitive.cexpr! 'PTR2NUM((VALUE)rb_vm_get_insns_address_table()[NUM2INT(bin)])'
+    end
+
     def insn_may_depend_on_sp_or_pc(insn, opes)
       _opes_addr = opes.to_i
       Primitive.cexpr! 'RBOOL(insn_may_depend_on_sp_or_pc(NUM2INT(insn), (VALUE *)NUM2PTR(_opes_addr)))'