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Diffstat (limited to 'libgloss/m68k/sim-sbrk.c')
-rw-r--r-- | libgloss/m68k/sim-sbrk.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libgloss/m68k/sim-sbrk.c b/libgloss/m68k/sim-sbrk.c new file mode 100644 index 000000000..83e5287eb --- /dev/null +++ b/libgloss/m68k/sim-sbrk.c @@ -0,0 +1,30 @@ +/* + * sim-sbrk.c -- m68k sbrk support when running under the simulator. + * + * Copyright (c) 1995, 2001 Cygnus Support + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +extern char _end[]; +static char *curbrk = _end; + +char * +sbrk (incr) + int incr; +{ + char *oldbrk = curbrk; + curbrk += incr; + if (brk (curbrk) == -1) + return (char *) -1; + + return oldbrk; +} |