sync RClass::ext::iv_index_tbl

iv_index_tbl manages instance variable indexes (ID -> index).
This data structure should be synchronized with other ractors
so introduce some VM locks.

This patch also introduced atomic ivar cache used by
set/getinlinecache instructions. To make updating ivar cache (IVC),
we changed iv_index_tbl data structure to manage (ID -> entry)
and an entry points serial and index. IVC points to this entry so
that cache update becomes atomically.

1 files changed, 2 insertions, 2 deletions

diff --git a/vm_sync.c b/vm_sync.c
index b670984a13..1b9897d807 100644
--- a/vm_sync.c
+++ b/vm_sync.c
@@ -124,14 +124,14 @@ vm_lock_leave(rb_vm_t *vm, unsigned int *lev APPEND_LOCATION_ARGS)
     }
 }
 
-void
+MJIT_FUNC_EXPORTED void
 rb_vm_lock_enter_body(unsigned int *lev APPEND_LOCATION_ARGS)
 {
     rb_vm_t *vm = GET_VM();
     vm_lock_enter(vm, vm_locked(vm), lev APPEND_LOCATION_PARAMS);
 }
 
-void
+MJIT_FUNC_EXPORTED void
 rb_vm_lock_leave_body(unsigned int *lev APPEND_LOCATION_ARGS)
 {
     vm_lock_leave(GET_VM(), lev APPEND_LOCATION_PARAMS);