[src/trunk]: src/sys/arch/ia64/include Add support for WARN_REFERENCESE and _...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8850d00f6454
branches:  trunk
changeset: 783515:8850d00f6454
user:      martin <martin%NetBSD.org@localhost>
date:      Thu Dec 27 06:29:50 2012 +0000

description:
Add support for WARN_REFERENCESE and __KERNEL_RCSID for assembler files.

diffstat:

 sys/arch/ia64/include/asm.h |  37 ++++++++++++++++++++++++++++++++++++-
 1 files changed, 36 insertions(+), 1 deletions(-)

diffs (48 lines):

diff -r a92dae3d5802 -r 8850d00f6454 sys/arch/ia64/include/asm.h
--- a/sys/arch/ia64/include/asm.h       Thu Dec 27 01:11:13 2012 +0000
+++ b/sys/arch/ia64/include/asm.h       Thu Dec 27 06:29:50 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: asm.h,v 1.4 2006/08/30 11:14:23 cherry Exp $   */
+/*     $NetBSD: asm.h,v 1.5 2012/12/27 06:29:50 martin Exp $   */
 
 /* -
  * Copyright (c) 1991,1990,1989,1994,1995,1996 Carnegie Mellon University
@@ -183,3 +183,38 @@
 #define STRONG_ALIAS(alias,sym)                                        \
        .globl alias;                                           \
        alias = sym
+
+/*
+ * WARN_REFERENCES: create a warning if the specified symbol is referenced.
+ */
+#ifdef __STDC__
+#define        WARN_REFERENCES(sym,msg)                                        \
+       .pushsection .gnu.warning. ## sym;                              \
+       .ascii msg;                                                     \
+       .popsection
+#else
+#define        WARN_REFERENCES(sym,msg)                                        \
+       .pushsection .gnu.warning./**/sym;                              \
+       .ascii msg;                                                     \
+       .popsection
+#endif /* __STDC__ */
+
+
+/*
+ * Kernel RCS ID tag and copyright macros
+ */
+
+#ifdef _KERNEL
+
+#define        __KERNEL_SECTIONSTRING(_sec, _str)                              \
+       .pushsection _sec ; .asciz _str ; .popsection
+
+#define        __KERNEL_RCSID(_n, _s)          __KERNEL_SECTIONSTRING(.ident, _s)
+#define        __KERNEL_COPYRIGHT(_n, _s)      __KERNEL_SECTIONSTRING(.copyright, _s)
+
+#ifdef NO_KERNEL_RCSIDS
+#undef __KERNEL_RCSID
+#define        __KERNEL_RCSID(_n, _s)          /* nothing */
+#endif
+
+#endif /* _KERNEL */