Refactor jit_func_t and jit_exec

I closed https://github.com/ruby/ruby/pull/7543, but part of the diff
seems useful regardless, so I extracted it.

1 files changed, 1 insertions, 4 deletions

diff --git a/yjit.c b/yjit.c
index a9d1d2c38b..8e8342971e 100644
--- a/yjit.c
+++ b/yjit.c
@@ -1023,9 +1023,6 @@ rb_yjit_vm_unlock(unsigned int *recursive_lock_level, const char *file, int line
     rb_vm_lock_leave(recursive_lock_level, file, line);
 }
 
-// Pointer to a YJIT entry point (machine code generated by YJIT)
-typedef VALUE (*yjit_func_t)(rb_execution_context_t *, rb_control_frame_t *);
-
 bool
 rb_yjit_compile_iseq(const rb_iseq_t *iseq, rb_execution_context_t *ec)
 {
@@ -1038,7 +1035,7 @@ rb_yjit_compile_iseq(const rb_iseq_t *iseq, rb_execution_context_t *ec)
     uint8_t *code_ptr = rb_yjit_iseq_gen_entry_point(iseq, ec);
 
     if (code_ptr) {
-        iseq->body->jit_func = (yjit_func_t)code_ptr;
+        iseq->body->jit_func = (rb_jit_func_t)code_ptr;
     }
     else {
         iseq->body->jit_func = 0;