Commit 16799c6a authored by Linus Torvalds's avatar Linus Torvalds
Browse files
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  MIPS: Make BUG() __noreturn.
parents 211f05a0 8ec2e243
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+20 −9
Original line number Diff line number Diff line
@@ -7,20 +7,31 @@

#include <asm/break.h>

#define BUG()								\
do {									\
	__asm__ __volatile__("break %0" : : "i" (BRK_BUG));		\
} while (0)
static inline void __noreturn BUG(void)
{
	__asm__ __volatile__("break %0" : : "i" (BRK_BUG));
	/* Fool GCC into thinking the function doesn't return. */
	while (1)
		;
}

#define HAVE_ARCH_BUG

#if (_MIPS_ISA > _MIPS_ISA_MIPS1)

#define BUG_ON(condition)						\
do {									\
	__asm__ __volatile__("tne $0, %0, %1"				\
			     : : "r" (condition), "i" (BRK_BUG));	\
} while (0)
static inline void  __BUG_ON(unsigned long condition)
{
	if (__builtin_constant_p(condition)) {
		if (condition)
			BUG();
		else
			return;
	}
	__asm__ __volatile__("tne $0, %0, %1"
			     : : "r" (condition), "i" (BRK_BUG));
}

#define BUG_ON(C) __BUG_ON((unsigned long)(C))

#define HAVE_ARCH_BUG_ON