Differential D34797 Diff 104915 sys/i386/include/profile.h

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sys/i386/include/profile.h

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#ifndef _KERNEL		#ifndef _KERNEL

#include <sys/cdefs.h>		#include <sys/cdefs.h>

#define FUNCTION_ALIGNMENT 4		#define FUNCTION_ALIGNMENT 4

#define _MCOUNT_DECL static __inline void _mcount		#define _MCOUNT_DECL static __inline void _mcount

#ifdef __GNUCLIKE_ASM
#define MCOUNT \		#define MCOUNT \
void \		void \
mcount() \		mcount() \
{ \		{ \
uintfptr_t selfpc, frompc, ecx; \		uintfptr_t selfpc, frompc, ecx; \
/* \		/* \
* In gcc 4.2, ecx might be used in the caller as the arg \		* In gcc 4.2, ecx might be used in the caller as the arg \
* pointer if the stack realignment option is set (-mstackrealign) \		* pointer if the stack realignment option is set (-mstackrealign) \
Show All 15 Lines	mcount() \
* the caller's frame pointer. The caller's raddr is in the \		* the caller's frame pointer. The caller's raddr is in the \
* caller's frame following the caller's caller's frame pointer.\		* caller's frame following the caller's caller's frame pointer.\
*/ \		*/ \
__asm("movl (%%ebp),%0" : "=r" (frompc)); \		__asm("movl (%%ebp),%0" : "=r" (frompc)); \
frompc = ((uintfptr_t *)frompc)[1]; \		frompc = ((uintfptr_t *)frompc)[1]; \
_mcount(frompc, selfpc); \		_mcount(frompc, selfpc); \
__asm("" : : "c" (ecx)); \		__asm("" : : "c" (ecx)); \
}		}
#else /* !__GNUCLIKE_ASM */
#define MCOUNT
#endif /* __GNUCLIKE_ASM */

typedef u_int uintfptr_t;		typedef u_int uintfptr_t;

/*		/*
* An unsigned integral type that can hold non-negative difference between		* An unsigned integral type that can hold non-negative difference between
* function pointers.		* function pointers.
*/		*/
typedef u_int fptrdiff_t;		typedef u_int fptrdiff_t;

__BEGIN_DECLS		__BEGIN_DECLS
#ifdef __GNUCLIKE_ASM
void mcount(void) __asm(".mcount");		void mcount(void) __asm(".mcount");
#endif
__END_DECLS		__END_DECLS

#endif /* !_KERNEL */		#endif /* !_KERNEL */

#endif /* !_MACHINE_PROFILE_H_ */		#endif /* !_MACHINE_PROFILE_H_ */