Merged newlib's libgloss support for rtems into this directory. This

should simplify the build process.

1 files changed, 90 insertions, 0 deletions

diff --git a/c/src/lib/libc/newlibif.c b/c/src/lib/libc/newlibif.c
new file mode 100644
index 0000000000..5b59554428
--- /dev/null
+++ b/c/src/lib/libc/newlibif.c
@@ -0,0 +1,90 @@
+
+/*
+ *  This file contains the glue which maps newlib system calls onto their
+ *  RTEMS implementations.  This formerly was in the file
+ *  libgloss/rtems/iface.c which was installed as rtems.o.  Merging this
+ *  into the RTEMS source tree minimizes the files which must be linked
+ *  to build an rtems application.
+ *
+ *  $Id$
+ *
+ */
+
+#include <rtems.h>
+#if defined(RTEMS_NEWLIB)
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+#include "internal.h"
+#include "libio.h"
+
+int
+read(int fd,
+     char *buf,
+     int nbytes)
+{
+    return __rtems_read(fd, buf, nbytes);
+}
+
+int
+write(int fd,
+      char *buf,
+      int nbytes)
+{
+    return __rtems_write(fd, buf, nbytes);
+}
+
+int
+open(char *buf,
+     int flags,
+     int mode)
+{
+    return __rtems_open(buf, flags, mode);
+}
+
+int
+close(int fd)
+{
+    return __rtems_close(fd);
+}
+
+/*
+ * isatty -- returns 1 if connected to a terminal device,
+ *           returns 0 if not.
+ */
+int
+isatty(int fd)
+{
+    return __rtems_isatty(fd);
+}
+
+/*
+ * lseek -- move read/write pointer. Since a serial port
+ *          is non-seekable, we return an error.
+ */
+off_t
+lseek(int fd,
+      off_t offset,
+      int whence)
+{
+    return __rtems_lseek(fd, offset, whence);
+}
+
+/*
+ * fstat -- get status of a file. Since we have no file
+ *          system, we just return an error.
+ */
+int
+fstat(int fd,
+      struct stat *buf)
+{
+    return __rtems_fstat(fd, buf);
+}
+
+/*
+ *  getpid and kill are provided directly by rtems
+ */
+
+#endif