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authorHeiko Carstens <heiko.carstens@de.ibm.com>2006-07-12 16:39:42 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-07-12 16:39:42 +0200
commitf4a10b211ddb71d6b4e423fd529468691dec5cca (patch)
treeb76a969ac6eb92e91b5d115e66e89cf5c785b962
parent7c3dec0679c66ce177726802adbe2f403942fc27 (diff)
[S390] __builtin_trap() and gcc version.
__builtin_trap() has the archictecture defined backend in gcc since gcc 3.3. To make sure the kernel builds with gcc 3.2 as well, use the old style BUG() statement if compiled with older gcc versions. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--include/asm-s390/bug.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/asm-s390/bug.h b/include/asm-s390/bug.h
index 7ddaa05b98d..87689836394 100644
--- a/include/asm-s390/bug.h
+++ b/include/asm-s390/bug.h
@@ -5,9 +5,18 @@
#ifdef CONFIG_BUG
+static inline __attribute__((noreturn)) void __do_illegal_op(void)
+{
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
+ __builtin_trap();
+#else
+ asm volatile(".long 0");
+#endif
+}
+
#define BUG() do { \
printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
- __builtin_trap(); \
+ __do_illegal_op(); \
} while (0)
#define HAVE_ARCH_BUG