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author | Jeff Johnston <jjohnstn@redhat.com> | 2001-02-28 18:41:57 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2001-02-28 18:41:57 +0000 |
commit | 09ccfcee505586c0427bf0131e727592b9d2c233 (patch) | |
tree | 7d8977bea33bc1c477428a4f2f7cef6b2fe66a4f /libgloss/m68k/sim-sbrk.c | |
parent | 2de7601434ab658d7f687d1354da5d02e2682352 (diff) | |
download | cygnal-09ccfcee505586c0427bf0131e727592b9d2c233.tar.gz cygnal-09ccfcee505586c0427bf0131e727592b9d2c233.tar.bz2 cygnal-09ccfcee505586c0427bf0131e727592b9d2c233.zip |
2001-02-28 Will Cohen <wcohen@redhat.com>
* src/libgloss/m68k/Makefile.in: Updated copyright and
added rules to build simulator related libraries.
(SIM_SCRIPTS): New variable.
(SIM_LDFLAGS): New variable.
(SIM_BSP): New variable.
(SIM_CRT0): New variable.
(SIM_OBJS): New variable.
(SIM_TEST): New variable.
(SIM_INSTALL): new variable.
* src/libgloss/m68k/sim-abort.c: New file.
* src/libgloss/m68k/sim-crt0.S: New file.
* src/libgloss/m68k/sim-errno.c: New file.
* src/libgloss/m68k/sim-funcs.c: New file.
* src/libgloss/m68k/sim-inbyte.c: New file.
* src/libgloss/m68k/sim-print.c: New file.
* src/libgloss/m68k/sim-sbrk.c: New file.
* src/libgloss/m68k/sim.ld: New file.
* src/libgloss/m68k/simulator.S: New file.
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; +} |