2006-08-16 Joel Schopp <jschopp@austin.ibm.com>

        *  configure.in: Add spu support.
        *  configure: Regenerated.
        *  spu/Makefile.in: New file.
        *  spu/aclocal.m4: Ditto.
        *  spu/configure: Ditto.
        *  spu/configure.in: Ditto.
        *  spu/crt0.c: Ditto.
        *  spu/exit.c: Ditto.
        *  spu/init.c: Ditto.
        *  spu/jsre.h: Ditto.
        *  spu/sbrk.c: Ditto.
        *  spu/syscalls.c: Ditto.

1 files changed, 63 insertions, 0 deletions

diff --git a/libgloss/spu/sbrk.c b/libgloss/spu/sbrk.c
new file mode 100644
index 000000000..c95a7e8cd
--- /dev/null
+++ b/libgloss/spu/sbrk.c
@@ -0,0 +1,63 @@
+/*
+(C) Copyright IBM Corp. 2005, 2006
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without 
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice, 
+this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright 
+notice, this list of conditions and the following disclaimer in the 
+documentation and/or other materials provided with the distribution.
+    * Neither the name of IBM nor the names of its contributors may be 
+used to endorse or promote products derived from this software without 
+specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+POSSIBILITY OF SUCH DAMAGE.
+
+Author: Andreas Neukoetter (ti95neuk@de.ibm.com)
+*/
+
+#include <sys/types.h>
+#include <errno.h>
+
+extern int errno;
+
+extern caddr_t  _end;
+#define RAMSIZE 262144
+#define STACKSIZE 4096
+
+void *
+sbrk (ptrdiff_t increment)
+{
+	static caddr_t heap_ptr = NULL;
+	caddr_t base;
+
+	if (heap_ptr == NULL)
+	  {
+		  heap_ptr = (caddr_t) & _end;
+	  }
+	if (((RAMSIZE - STACKSIZE) - (int) heap_ptr) >= increment)
+	  {
+		  base = heap_ptr;
+		  heap_ptr += increment;
+		  return (base);
+	  }
+	else
+	  {
+		  errno = ENOMEM;
+		  return ((void *) -1);
+	  }
+}