diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/mrbconf.h | 3 | ||||
| -rw-r--r-- | include/mruby/value.h | 13 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/mrbconf.h b/include/mrbconf.h index 3564f6ec5..0195ae96f 100644 --- a/include/mrbconf.h +++ b/include/mrbconf.h @@ -38,6 +38,9 @@ /* initial size for IV khash; ignored when MRB_USE_IV_SEGLIST is set */ //#define MRB_IVHASH_INIT_SIZE 8 +/* if _etext and _edata available, mruby can reduce memory used by symbols */ +//#define MRB_USE_ETEXT_EDATA + /* turn off generational GC by default */ //#define MRB_GC_TURN_OFF_GENERATIONAL diff --git a/include/mruby/value.h b/include/mruby/value.h index f85cdd644..09d00302e 100644 --- a/include/mruby/value.h +++ b/include/mruby/value.h @@ -211,4 +211,17 @@ mrb_undef_value(void) return v; } +#ifdef MRB_USE_ETEXT_EDATA +extern char _etext[]; +extern char _edata[]; + +static inline mrb_bool +mrb_ro_data_p(const char *p) +{ + return _etext < p && p < _edata; +} +#else +# define mrb_ro_data_p(p) FALSE +#endif + #endif /* MRUBY_VALUE_H */ |