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value.h: enable mrb_ro_data_p() on __linux__ and __APPLE__.

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Probably we should add conditions for FreeBSD, etc.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2021-08-18 21:44:17 +09:00
parent ef66406c50
commit 959383df75
1 changed files with 8 additions and 1 deletions
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include/mruby/value.h
+8 -1
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@@ -418,7 +418,7 @@ mrb_undef_value(void)
#if defined(MRB_USE_CUSTOM_RO_DATA_P)
/* If you define `MRB_USE_CUSTOM_RO_DATA_P`, you must implement `mrb_ro_data_p()`. */
mrb_bool mrb_ro_data_p(const char *p);
#elif defined(MRB_USE_LINK_TIME_RO_DATA_P)
#elif defined(MRB_USE_LINK_TIME_RO_DATA_P) || defined(__linux__)
extern char __ehdr_start[];
extern char __init_array_start[];
@@ -427,6 +427,13 @@ mrb_ro_data_p(const char *p)
{
return __ehdr_start < p && p < __init_array_start;
}
#elif defined(__APPLE__)
#include <mach-o/getsect.h>;
static inline mrb_bool
mrb_ro_data_p(const char *p)
{
return (void*)get_edata() < p && p < (void*)get_end();
}
#else
# define mrb_ro_data_p(p) FALSE
#endif