2 files changed, 15 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 1d71390889..6d1814627d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Sep 17 22:21:26 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* vm.c (rb_vm_make_env_object, rb_vm_get_sourceline): export as a
+	  workaround for ruby-debug19 for the time being.
+	  [ruby-core:38972] [Bug #5193]
+
 Fri Sep 16 01:08:19 2011  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* NEWS: cosmetic changes.
diff --git a/vm.c b/vm.c
index 6e2e9a4d8c..2d7e15c0fa 100644
--- a/vm.c
+++ b/vm.c
@@ -50,6 +50,15 @@ void vm_analysis_operand(int insn, int n, VALUE op);
 void vm_analysis_register(int reg, int isset);
 void vm_analysis_insn(int insn);
 
+/*
+ * TODO: replace with better interface at the next release.
+ *
+ * these functions are exported just as a workaround for ruby-debug
+ * for the time being.
+ */
+RUBY_FUNC_EXPORTED VALUE rb_vm_make_env_object(rb_thread_t *th, rb_control_frame_t *cfp);
+RUBY_FUNC_EXPORTED int rb_vm_get_sourceline(const rb_control_frame_t *cfp);
+
 void
 rb_vm_change_state(void)
 {