-#if !defined (CANNOT_DUMP) || !defined (SYSTEM_MALLOC)
-/* Some systems that cannot dump also cannot implement these. */
-
-/*
- * Return the address of the start of the data segment prior to
- * doing an unexec. After unexec the return value is undefined.
- * See crt0.c for further information and definition of data_start.
- *
- * Apparently, on BSD systems this is etext at startup. On
- * USG systems (swapping) this is highly mmu dependent and
- * is also dependent on whether or not the program is running
- * with shared text. Generally there is a (possibly large)
- * gap between end of text and start of data with shared text.
- *
- */
-
-char *
-start_of_data (void)
-{
-#ifdef BSD_SYSTEM
- extern char etext;
- return (POINTER)(&etext);
-#elif defined DATA_START
- return ((POINTER) DATA_START);
-#elif defined ORDINARY_LINK
- /*
- * This is a hack. Since we're not linking crt0.c or pre_crt0.c,
- * data_start isn't defined. We take the address of environ, which
- * is known to live at or near the start of the system crt0.c, and
- * we don't sweat the handful of bytes that might lose.
- */
- extern char **environ;
- return ((POINTER) &environ);
-#else
- extern int data_start;
- return ((POINTER) &data_start);
-#endif
-}
-#endif /* (not CANNOT_DUMP or not SYSTEM_MALLOC) */
-\f