2 files changed, 50 insertions, 3 deletions
diff --git a/SDKs/linux/usr/include/sys/fcntl.h b/SDKs/linux/usr/include/sys/fcntl.h
new file mode 100644
index 0000000..1512bf9
--- /dev/null
+++ b/SDKs/linux/usr/include/sys/fcntl.h
@@ -0,0 +1,29 @@
+/* ===-- fcntl.h - stub SDK header for compiler-rt --------------------------===
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is dual licensed under the MIT and the University of Illinois Open
+ * Source Licenses. See LICENSE.TXT for details.
+ *
+ * ===-----------------------------------------------------------------------===
+ *
+ * This is a stub SDK header file. This file is not part of the interface of
+ * this library nor an official version of the appropriate SDK header. It is
+ * intended only to stub the features of this header required by compiler-rt.
+ *
+ * ===-----------------------------------------------------------------------===
+ */
+
+#ifndef _SYS_FCNTL_H_
+#define _SYS_FCNTL_H_
+
+#define O_RDONLY   0x0000
+#define O_WRONLY   0x0001
+#define O_RDWR     0x0002
+#define O_ACCMODE  0x0003
+
+#define O_CREAT    0x0200
+
+int open(const char *, int, ...);
+
+#endif /* _SYS_FCNTL_H_ */
diff --git a/SDKs/linux/usr/include/sys/mman.h b/SDKs/linux/usr/include/sys/mman.h
index 7c4d051..bfb7f8b 100644
--- a/SDKs/linux/usr/include/sys/mman.h
+++ b/SDKs/linux/usr/include/sys/mman.h
@@ -19,10 +19,28 @@
 
 typedef __SIZE_TYPE__ size_t;
 
-#define PROT_READ 0x1
-#define PROT_WRITE 0x2
-#define PROT_EXEC 0x4
+#define PROT_NONE     0x00
+#define PROT_READ     0x01
+#define PROT_WRITE    0x02
+#define PROT_EXEC     0x04
 
+#define MAP_SHARED    0x0001
+#define MAP_PRIVATE   0x0002
+
+#define MAP_FILE      0x0000
+#define MAP_ANON      0x1000
+
+#define MS_ASYNC      0x0001
+#define MS_INVALIDATE 0x0002
+#define MS_SYNC       0x0010
+
+extern void *mmap(void *addr, size_t len, int prot, int flags, int fd,
+                  long long offset)
+  __attribute__((__nothrow__));
+extern int munmap(void *addr, size_t len)
+  __attribute__((__nothrow__));
+extern int msync(void *addr, size_t len, int flags)
+  __attribute__((__nothrow__));
 extern int mprotect (void *__addr, size_t __len, int __prot)
   __attribute__((__nothrow__));