From ce34e879e348cecd4e21329be5974cc4162fa6c4 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Wed, 9 Feb 2022 07:15:14 +0000
Subject: Adds experimental ARM dynarec

Supports ARMv5 and higher, enable with USE_DYNAREC Makefile variable
---
 source/arm_dynarec/map_rwx.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 source/arm_dynarec/map_rwx.c

(limited to 'source/arm_dynarec/map_rwx.c')

diff --git a/source/arm_dynarec/map_rwx.c b/source/arm_dynarec/map_rwx.c
new file mode 100644
index 0000000..d4373f7
--- /dev/null
+++ b/source/arm_dynarec/map_rwx.c
@@ -0,0 +1,16 @@
+#define _GNU_SOURCE             /* MAP_ANONYMOUS */
+
+#include <sys/mman.h>
+#include <stdlib.h>
+
+void *MapRWX(void *target, size_t size) {
+	void *buf = mmap(target, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
+
+	if (buf == MAP_FAILED)
+	{
+		perror("mmap");
+		return NULL;
+	}
+
+	return buf;
+}
-- 
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