Diff: EMAC/EmacRaw/libnosys_gnu.c

Revision:

0:bf7b9fba3924

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EMAC/EmacRaw/libnosys_gnu.c	Sun Mar 20 05:38:56 2011 +0000
@@ -0,0 +1,149 @@
+/***********************************************************************
+ * $Id:: libnosys_gnu.c 1388 2008-12-01 19:20:06Z pdurgesh             $
+ *
+ * Project: Linosys function for GNU c compiler
+ *
+ * Description:
+ *     Definitions for OS interface, stub function required by newlibc
+ * used by Codesourcery GNU compiler.
+ *
+ ***********************************************************************
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * products. This software is supplied "AS IS" without any warranties.
+ * NXP Semiconductors assumes no responsibility or liability for the
+ * use of the software, conveys no license or title under any patent,
+ * copyright, or mask work right to the product. NXP Semiconductors
+ * reserves the right to make changes in the software without
+ * notification. NXP Semiconductors also make no representation or
+ * warranty that such application will be suitable for the specified
+ * use without further testing or modification.
+ **********************************************************************/
+#if defined(__GNUC__)
+
+#include "lpc_types.h"
+#include <errno.h>
+#include <sys/times.h>
+#include <sys/stat.h>
+
+/* errno definition */
+#undef errno
+extern int errno;
+
+char *__env[1] = { 0 };
+char **environ = __env;
+
+int _close(int file)
+{
+  return -1;
+}
+
+int _execve(char *name, char **argv, char **env)
+{
+  errno = ENOMEM;
+  return -1;
+}
+int _exit()
+{
+  return 0;
+}
+
+int _fork()
+{
+  errno = EAGAIN;
+  return -1;
+}
+
+int _fstat(int file, struct stat *st)
+{
+  st->st_mode = S_IFCHR;
+  return 0;
+}
+
+int _getpid()
+{
+  return 1;
+}
+
+int _kill(int pid, int sig)
+{
+  errno = EINVAL;
+  return(-1);
+}
+
+int isatty(int fildes)
+{
+  return 1;
+}
+int _isatty(int fildes)
+{
+  return 1;
+}
+
+int _link(char *old, char *new)
+{
+  errno = EMLINK;
+  return -1;
+}
+
+int _lseek(int file, int ptr, int dir)
+{
+  return 0;
+}
+
+int _open(const char *name, int flags, int mode)
+{
+  return -1;
+}
+
+int _read(int file, char *ptr, int len)
+{
+  return 0;
+}
+
+caddr_t _sbrk(int incr)
+{
+  extern char estack;		/* Defined by the linker */
+  static char *heap_end;
+  char *prev_heap_end;
+
+  if (heap_end == 0)
+  {
+    heap_end = &estack;
+    /* give 16KB area for stacks and use the rest of memory for heap*/
+    heap_end += 0x4000;
+  }
+  prev_heap_end = heap_end;
+
+  heap_end += incr;
+  return (caddr_t) prev_heap_end;
+}
+
+int _stat(char *file, struct stat *st)
+{
+  st->st_mode = S_IFCHR;
+  return 0;
+}
+int _times(struct tms *buf)
+{
+  return -1;
+}
+
+int _unlink(char *name)
+{
+  errno = ENOENT;
+  return -1;
+}
+
+int _wait(int *status)
+{
+  errno = ECHILD;
+  return -1;
+}
+
+int _write(int file, char *ptr, int len)
+{
+  return 0;
+}
+
+#endif /*__GNUC__*/