[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>hifive-unleashed-5.1
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@ -5,9 +5,18 @@
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#ifdef CONFIG_BUG
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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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#define BUG() do { \
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printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
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printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
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__builtin_trap(); \
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__do_illegal_op(); \
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} while (0)
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} while (0)
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#define HAVE_ARCH_BUG
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#define HAVE_ARCH_BUG
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