zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/arm/mmap.c b/ap/build/uClibc/libc/sysdeps/linux/arm/mmap.c
new file mode 100644
index 0000000..df550fe
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/arm/mmap.c
@@ -0,0 +1,74 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * _mmap() for uClibc
+ *
+ * Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ */
+#include <errno.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+
+#if defined (__NR_mmap) || defined (__NR_mmap2)
+
+libc_hidden_proto(mmap)
+#if defined (__UCLIBC_MMAP_HAS_6_ARGS__) && defined (__NR_mmap)
+#define __NR__mmap __NR_mmap
+static __inline__ _syscall6 (__ptr_t, _mmap, __ptr_t, addr, size_t, len,
+ int, prot, int, flags, int, fd, __off_t, offset)
+__ptr_t mmap(__ptr_t addr, size_t len, int prot,
+ int flags, int fd, __off_t offset)
+{
+ return (__ptr_t) _mmap (addr, len, prot, flags,
+ fd, offset);
+}
+
+#elif defined (__NR_mmap2)
+#define __NR__mmap __NR_mmap2
+
+#ifndef MMAP2_PAGE_SHIFT
+# define MMAP2_PAGE_SHIFT 12
+#endif
+
+static __inline__ _syscall6 (__ptr_t, _mmap, __ptr_t, addr, size_t, len,
+ int, prot, int, flags, int, fd, __off_t, offset);
+__ptr_t mmap(__ptr_t addr, size_t len, int prot,
+ int flags, int fd, __off_t offset)
+{
+ /* check if offset is page aligned */
+ if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1))
+ {
+ __set_errno(EINVAL);
+ return MAP_FAILED;
+ }
+#ifdef __USE_FILE_OFFSET64
+ return (__ptr_t) _mmap (addr, len, prot, flags,
+ fd, ((__u_quad_t) offset >> MMAP2_PAGE_SHIFT));
+#else
+ return (__ptr_t) _mmap (addr, len, prot, flags,
+ fd, ((__u_long) offset >> MMAP2_PAGE_SHIFT));
+#endif
+}
+#elif defined (__NR_mmap)
+# define __NR__mmap __NR_mmap
+static __inline__ _syscall1(__ptr_t, _mmap, unsigned long *, buffer)
+__ptr_t mmap(__ptr_t addr, size_t len, int prot,
+ int flags, int fd, __off_t offset)
+{
+ unsigned long buffer[6];
+
+ buffer[0] = (unsigned long) addr;
+ buffer[1] = (unsigned long) len;
+ buffer[2] = (unsigned long) prot;
+ buffer[3] = (unsigned long) flags;
+ buffer[4] = (unsigned long) fd;
+ buffer[5] = (unsigned long) offset;
+ return (__ptr_t) _mmap(buffer);
+}
+#endif
+libc_hidden_def (mmap)
+#else
+# error "Your architecture doesn't seem to provide mmap() !?"
+#endif