1 files changed, 44 insertions, 7 deletions
diff --git a/newlib/libc/sys/rtems/crt0.c b/newlib/libc/sys/rtems/crt0.c
index 99b91feea..2e9522134 100644
--- a/newlib/libc/sys/rtems/crt0.c
+++ b/newlib/libc/sys/rtems/crt0.c
@@ -1,4 +1,3 @@
-void rtems_provides_crt0( void ) {}
 /*
  *  RTEMS Fake crt0
  *
@@ -11,6 +10,10 @@ void rtems_provides_crt0( void ) {}
  *  but this is enough to satisfy the autoconf macro AC_PROG_CC.
  */
 
+#include <reent.h>
+
+void rtems_provides_crt0( void ) {}  /* dummy symbol so file always has one */
+
 /* RTEMS provides some of its own routines including a Malloc family */
 
 void *malloc() { return 0; }
@@ -23,13 +26,47 @@ int rtems_gxx_mutex_lock() { return -1; }
 int rtems_gxx_mutex_unlock() { return -1; }
 int rtems_gxx_once() { return -1; }
 
+/* stubs for functions from reent.h */
+int _close_r (struct _reent *r, int fd) { return -1; }
+#if NOT_USED_BY_RTEMS
+int _execve_r (struct _reent *r, char *, char **, char **) { return -1; }
+#endif
+int _fcntl_r (  struct _reent *ptr, int fd, int cmd, int arg ) { return -1;}
+#if NOT_USED_BY_RTEMS
+int _fork_r (struct _reent *r) { return -1; }
+#endif
+int _fstat_r (struct _reent *r, int fd, struct stat *buf) { return -1; }
+int _getpid_r (struct _reent *r) { return -1; }
+int _kill_r ( struct _reent *r, int pid, int sig ) { return -1; }
+int _link_r ( struct _reent *ptr, const char *existing, const char *new) { return -1; }
+_off_t _lseek_r ( struct _reent *ptr, int fd, _off_t offset, int whence ) { return -1; }
+int _open_r (struct _reent *r, const char *buf, int flags, int mode) { return -1; }
+_ssize_t _read_r (struct _reent *r, int fd, void *buf, size_t nbytes) { return -1; }
+#if NOT_USED_BY_RTEMS 
+void *_sbrk_r (struct _reent *r, ptrdiff_t) { return -1; }
+#endif
+int _stat_r (struct _reent *r, const char *path, struct stat *buf) { return -1; }
+_CLOCK_T_ _times_r (struct _reent *r, struct tms *ptms) { return -1; }
+int _unlink_r (struct _reent *r, const char *path) { return -1; }
+#if NOT_USED_BY_RTEMS
+int _wait_r (struct _reent *r, int *) { return -1; }
+#endif
+_ssize_t _write_r (struct _reent *r, int fd, const void *buf, size_t nbytes) { return -1; }
+
+int isatty( int fd ) { return -1; }
+
+_realloc_r() {}
+_calloc_r() {}
+_malloc_r() {}
+_free_r() {}
+
 /* gcc can implicitly generate references to these */
-strcmp() {}
-strcpy() {}
-strlen() {}
-memcmp() {}
-memcpy() {}
-memset() {}
+/* strcmp() {} */
+/* strcpy() {} */
+/* strlen() {} */
+/* memcmp() {} */
+/* memcpy() {} */
+/* memset() {} */
 
 /* The PowerPC expects certain symbols to be defined in the linker script. */