Remove MRB_METHOD_TABLE_INLINE.

`MRB_METHOD_TABLE_INLINE` was fragile. It requires `-falign-functions=n`.
On platform that uses higher bits of function pointers, you can use new
`MRB_METHOD_T_STRUCT` configuration macro.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-09-16 11:14:13 +09:00
parent 30f3787248
commit 2256bb07b0
4 changed files with 10 additions and 19 deletions
+3 -12
View File
@@ -36,10 +36,9 @@
/* size of the method cache (need to be the power of 2) */
//#define MRB_METHOD_CACHE_SIZE (1<<7)
/* add -DMRB_METHOD_TABLE_INLINE to reduce the size of method table */
/* MRB_METHOD_TABLE_INLINE requires LSB of function pointers to be zero */
/* you might need to specify --falign-functions=n (where n>1) */
//#define MRB_METHOD_TABLE_INLINE
/* add -DMRB_METHOD_T_STRUCT on machines that use higher bits of pointers */
/* no MRB_METHOD_T_STRUCT requires highest 2 bits of function pointers to be zero */
//#define MRB_METHOD_T_STRUCT
/* add -DMRB_INT16 to use 16bit integer for mrb_int; conflict with MRB_INT32 and MRB_INT64 */
//#define MRB_INT16
@@ -190,10 +189,6 @@
# define MRB_METHOD_CACHE_SIZE (1<<10)
# endif
# ifndef MRB_METHOD_TABLE_INLINE
# define MRB_METHOD_TABLE_INLINE
# endif
# ifndef MRB_IV_SEGMENT_SIZE
# define MRB_IV_SEGMENT_SIZE 32
# endif
@@ -212,10 +207,6 @@
# define MRB_METHOD_CACHE_SIZE (1<<12)
# endif
# ifndef MRB_METHOD_TABLE_INLINE
# define MRB_METHOD_TABLE_INLINE
# endif
# ifndef MRB_IV_SEGMENT_SIZE
# define MRB_IV_SEGMENT_SIZE 64
# endif
+1 -1
View File
@@ -188,7 +188,7 @@ struct mrb_context {
*/
typedef mrb_value (*mrb_func_t)(struct mrb_state *mrb, mrb_value self);
#ifdef MRB_METHOD_TABLE_INLINE
#ifndef MRB_METHOD_T_STRUCT
typedef uintptr_t mrb_method_t;
#else
typedef struct {
+2 -2
View File
@@ -99,7 +99,7 @@ MRB_API mrb_value mrb_proc_cfunc_env_get(mrb_state *mrb, mrb_int idx);
#define MRB_METHOD_FUNC_FL 1
#define MRB_METHOD_NOARG_FL 2
#ifdef MRB_METHOD_TABLE_INLINE
#ifndef MRB_METHOD_T_STRUCT
#define MRB_METHOD_FUNC_P(m) (((uintptr_t)(m))&MRB_METHOD_FUNC_FL)
#define MRB_METHOD_NOARG_P(m) (((uintptr_t)(m))&MRB_METHOD_NOARG_FL)
@@ -123,7 +123,7 @@ MRB_API mrb_value mrb_proc_cfunc_env_get(mrb_state *mrb, mrb_int idx);
#define MRB_METHOD_PROC(m) ((m).proc)
#define MRB_METHOD_UNDEF_P(m) ((m).proc==NULL)
#endif /* MRB_METHOD_TABLE_INLINE */
#endif /* MRB_METHOD_T_STRUCT */
#define MRB_METHOD_CFUNC_P(m) (MRB_METHOD_FUNC_P(m)?TRUE:(MRB_METHOD_PROC(m)?(MRB_PROC_CFUNC_P(MRB_METHOD_PROC(m))):FALSE))
#define MRB_METHOD_CFUNC(m) (MRB_METHOD_FUNC_P(m)?MRB_METHOD_FUNC(m):((MRB_METHOD_PROC(m)&&MRB_PROC_CFUNC_P(MRB_METHOD_PROC(m)))?MRB_PROC_CFUNC(MRB_METHOD_PROC(m)):NULL))