Merge zizzer:/bk/newmem

into  zeep.pool:/z/saidi/work/m5.newmem

--HG--
extra : convert_revision : ca6e616e64d4528478c1505dc7ce111b8888d389

src/base/compiler.hh

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2006 The Regents of The University of Michigan
+ * 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 the copyright holders 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.
+ *
+ * Authors: Ali Saidi
+ */
+
+#ifndef __BASE_COMPILER_HH__
+#define __BASE_COMPILER_HH__
+
+//http://msdn2.microsoft.com/en-us/library/ms937669.aspx
+//http://msdn2.microsoft.com/en-us/library/aa448724.aspx
+//http://docs.sun.com/source/819-3688/sun.specific.html#marker-998278
+//http://gcc.gnu.org/onlinedocs/gcc-3.3.1/gcc/Function-Attributes.html#Function%20Attributes
+
+#if defined(__GNUC__)
+#define M5_ATTR_NORETURN  __attribute__((noreturn))
+#define M5_PRAGMA_NORETURN(x)
+#define M5_DUMMY_RETURN
+#elif defined(__SUNPRO_CC)
+// this doesn't do anything with sun cc, but why not
+#define M5_ATTR_NORETURN  __sun_attr__((__noreturn__))
+#define M5_DUMMY_RETURN return (0);
+#define M5_PRAGMA_NORETURN(x) _Pragma("does_not_return(x)")
+#else
+#error "Need to define compiler options in base/compiler.hh"
+#endif
+
+#endif // __BASE_COMPILER_HH__