From 9057a3f3bebaebe942eb24592e3619bf47b051c1 Mon Sep 17 00:00:00 2001
From: Asmod4n <Asmod4n@users.noreply.github.com>
Date: Tue, 25 Apr 2017 20:34:07 +0200
Subject: Add macOS support to mrb_ro_data_p

This adds macOS support to mrb_ro_data_p, fixes #3636
---
 include/mruby/value.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/mruby/value.h b/include/mruby/value.h
index 54d197f8f..a206be549 100644
--- a/include/mruby/value.h
+++ b/include/mruby/value.h
@@ -266,6 +266,14 @@ mrb_undef_value(void)
 }
 
 #ifdef MRB_USE_ETEXT_EDATA
+#if (defined(__APPLE__) && defined(__MACH__))
+#include <mach-o/getsect.h>
+static inline mrb_bool
+mrb_ro_data_p(const char *p)
+{
+  return (const char*)get_etext() < p && p < (const char*)get_edata();
+}
+#else
 extern char _etext[];
 #ifdef MRB_NO_INIT_ARRAY_START
 extern char _edata[];
@@ -284,6 +292,7 @@ mrb_ro_data_p(const char *p)
   return _etext < p && p < (char*)&__init_array_start;
 }
 #endif
+#endif
 #else
 # define mrb_ro_data_p(p) FALSE
 #endif
-- 
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