5 files changed, 70 insertions, 4 deletions
diff --git a/compiler-rt/SDKs/linux/usr/include/fcntl.h b/compiler-rt/SDKs/linux/usr/include/fcntl.h
new file mode 100644
index 00000000000..a5f91e3a5bc
--- /dev/null
+++ b/compiler-rt/SDKs/linux/usr/include/fcntl.h
@@ -0,0 +1,17 @@
+/* ===-- 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.
+ *
+ * ===-----------------------------------------------------------------------===
+ */
+
+#include <sys/fcntl.h>
diff --git a/compiler-rt/SDKs/linux/usr/include/stdio.h b/compiler-rt/SDKs/linux/usr/include/stdio.h
index 0ca10fabea8..fba593640c3 100644
--- a/compiler-rt/SDKs/linux/usr/include/stdio.h
+++ b/compiler-rt/SDKs/linux/usr/include/stdio.h
@@ -33,11 +33,11 @@ extern struct _IO_FILE *stderr;
 extern int fclose(FILE *);
 extern int fflush(FILE *);
 extern FILE *fopen(const char * restrict, const char * restrict);
+extern FILE *fdopen(int, const char * restrict);
 extern int fprintf(FILE * restrict, const char * restrict, ...);
 extern size_t fwrite(const void * restrict, size_t, size_t, FILE * restrict);
 extern size_t fread(void * restrict, size_t, size_t, FILE * restrict);
 extern long ftell(FILE *);
 extern int fseek(FILE *, long, int);
-extern void setbuf(FILE * restrict, char * restrict);
 
 #endif /* __STDIO_H__ */
diff --git a/compiler-rt/SDKs/linux/usr/include/stdlib.h b/compiler-rt/SDKs/linux/usr/include/stdlib.h
index e6b8bf71023..966b29db6e1 100644
--- a/compiler-rt/SDKs/linux/usr/include/stdlib.h
+++ b/compiler-rt/SDKs/linux/usr/include/stdlib.h
@@ -30,5 +30,7 @@ char *getenv(const char *) __attribute__((__nothrow__))
   __attribute__((__warn_unused_result__));
 void *malloc(size_t) __attribute__((__nothrow__)) __attribute((__malloc__))
      __attribute__((__warn_unused_result__));
+void *realloc(void *, size_t) __attribute__((__nothrow__)) __attribute((__malloc__))
+     __attribute__((__warn_unused_result__));
 
 #endif /* __STDLIB_H__ */
diff --git a/compiler-rt/SDKs/linux/usr/include/sys/fcntl.h b/compiler-rt/SDKs/linux/usr/include/sys/fcntl.h
new file mode 100644
index 00000000000..1512bf9b4e5
--- /dev/null
+++ b/compiler-rt/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/compiler-rt/SDKs/linux/usr/include/sys/mman.h b/compiler-rt/SDKs/linux/usr/include/sys/mman.h
index 7c4d05181f5..bfb7f8bb02d 100644
--- a/compiler-rt/SDKs/linux/usr/include/sys/mman.h
+++ b/compiler-rt/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__));