1 files changed, 130 insertions, 0 deletions
diff --git a/newlib/libc/sys/arc/syscalls.c b/newlib/libc/sys/arc/syscalls.c
new file mode 100644
index 000000000..107989b00
--- /dev/null
+++ b/newlib/libc/sys/arc/syscalls.c
@@ -0,0 +1,130 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <_ansi.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <reent.h>
+
+_ssize_t
+_read_r (struct _reent *r, int fd, void *buf, size_t nbytes)
+{
+  int err;
+  _ssize_t rc;
+
+  SYSCALL (SYS_read, rc, err, fd, buf, nbytes);
+  if (err)
+    errno = err;
+  return rc;
+}
+
+_ssize_t
+_write_r (struct _reent *r, int fd, const void *buf, size_t nbytes)
+{
+  int err;
+  _ssize_t rc;
+
+  SYSCALL (SYS_write, rc, err, fd, buf, nbytes);
+  if (err)
+    errno = err;
+  return rc;
+}
+
+/* FIXME: The prototype in <fcntl.h> for open() uses ...,
+   but reent.h uses int.  */
+
+int
+_open_r (struct _reent *r, const char *buf, int flags, int mode)
+{
+  int rc,err;
+#if 0
+  int mode;
+  va_list ap;
+
+  va_start (ap, flags);
+  mode = va_arg (ap, int);
+  va_end (ap);
+#endif
+
+  SYSCALL (SYS_open, rc, err, buf, flags, mode);
+  errno = err;
+  return rc;
+}
+
+int
+_close_r (struct _reent *r, int fd)
+{
+  int rc,err;
+
+  SYSCALL (SYS_close, rc, err, fd, 0, 0);
+  if (err)
+    errno = err;
+  return rc;
+}
+
+off_t
+_lseek_r (struct _reent *r, int fd,  off_t offset, int whence)
+{
+  int err;
+  off_t rc;
+
+  SYSCALL (SYS_lseek, rc, err, fd, offset, whence);
+  if (err)
+    errno = err;
+  return rc;
+}
+
+int
+_fstat_r (struct _reent *r, int fd, struct stat *buf)
+{
+  int rc,err;
+
+  SYSCALL (SYS_fstat, rc, err, fd, buf, 0);
+  if (err)
+    errno = err;
+  return rc;
+}
+
+/* FIXME: Shouldn't this be _exit_r?  */
+
+void
+_exit (int ret)
+{
+  int rc,err;
+
+  SYSCALL (SYS_exit, rc, err, ret, 0, 0);
+
+  /* If that failed, use an infinite loop.  */
+  while (1)
+    continue;
+}
+
+time_t
+_time (time_t *timer)
+{
+  return 0;
+}
+
+int
+_creat_r (struct _reent *r, const char *path, int mode)
+{
+  return _open_r (r, path, O_CREAT | O_TRUNC, mode);
+}
+
+int
+_getpid_r (struct _reent *r)
+{
+  return 42;
+}
+
+int
+_kill_r (struct _reent *r, int pid, int sig)
+{
+  int rc,err;
+
+  SYSCALL (SYS_kill, rc, err, pid, sig, 0);
+  if (err)
+    errno = err;
+  return rc;
+}