1 files changed, 10 insertions, 85 deletions

diff --git a/newlib/libc/sys/rtems/crt0.c b/newlib/libc/sys/rtems/crt0.c
index 47332b752..e77b52eaf 100644
--- a/newlib/libc/sys/rtems/crt0.c
+++ b/newlib/libc/sys/rtems/crt0.c
@@ -1,3 +1,4 @@
+void rtems_provides_crt0( void ) {}
 /*
  *  RTEMS Fake crt0
  *
@@ -10,10 +11,6 @@
  *  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; }
@@ -22,68 +19,16 @@ void free() { ; }
 void abort() { ; }
 int raise() { return -1; }
 
-#if defined(__GNUC__)
-/*
- * stubs for libstdc++ rtems-threads support functions from gcc/gthr-rtems.h
- */
-int rtems_gxx_once() { return -1; }
-int rtems_gxx_key_create() { return -1; }
-int rtems_gxx_key_delete() { return -1; }
-void *rtems_gxx_getspecific() { return 0; }
-int rtems_gxx_setspecific() { return -1; }
-
-void rtems_gxx_mutex_init() { }
-int rtems_gxx_mutex_lock() { return -1; }
-int rtems_gxx_mutex_trylock() { return -1; }
-int rtems_gxx_mutex_unlock() { return -1; }
-
-void rtems_gxx_recursive_mutex_init() { }
-int rtems_gxx_recursive_mutex_lock() { return -1; }
-int rtems_gxx_recursive_mutex_trylock() { return -1; }
-int rtems_gxx_recursive_mutex_unlock() { return -1; }
-#endif
-
-/* 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; }
+/* gcc 2.8.1 implicitly can generate references to these for at
+ * least sparc-elf */
+#if (__GNUC__ == 2) && (__GNUC_MINOR__ == 8)
+strcmp() {}
+strcpy() {}
+strlen() {}
+memcmp() {}
+memcpy() {}
+memset() {}
 #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() {} */
 
 /* The PowerPC expects certain symbols to be defined in the linker script. */
 
@@ -95,14 +40,6 @@ _free_r() {}
   int __FIXUP_START__;  int __FIXUP_END__;
   int __EXCEPT_START__; int __EXCEPT_END__;
   int __init;           int __fini;
-  int __CTOR_LIST__;    int __CTOR_END__;
-  int __DTOR_LIST__;    int __DTOR_END__;
-#endif
-
-/* The SH expects certain symbols to be defined in the linker script. */
-
-#if defined(__sh__)
-int __EH_FRAME_BEGIN__;
 #endif
 
 /*  The hppa expects this to be defined in the real crt0.s. 
@@ -117,10 +54,6 @@ int __EH_FRAME_BEGIN__;
   asm ( "\$global\$:");
 */
 
-  asm (".text");
-  asm (".global");
-  asm (".EXPORT $$dyncall,ENTRY");
-  asm ("$$dyncall:");
   int atexit(void (*function)(void)) { return 0; }
 #endif
 
@@ -139,11 +72,3 @@ asm (".equ    V_FILL, 65" );
 asm (".equ    V_BSD_OS, 66" );
 asm (".equ    V_EPI_OS, 69" );
 #endif
-
-#if defined(__AVR__)
-/*
- * Initial stack pointer address "__stack"
- *  hard coded into GCC instead of providing it through ldscripts
- */
-const char* __stack ;
-#endif