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__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>
27 lines
456 B
C
27 lines
456 B
C
#ifndef _S390_BUG_H
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#define _S390_BUG_H
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#include <linux/kernel.h>
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#ifdef CONFIG_BUG
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static inline __attribute__((noreturn)) void __do_illegal_op(void)
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{
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#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
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__builtin_trap();
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#else
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asm volatile(".long 0");
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#endif
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}
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#define BUG() do { \
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printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
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__do_illegal_op(); \
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} while (0)
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#define HAVE_ARCH_BUG
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#endif
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#include <asm-generic/bug.h>
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#endif
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