Differential D29529 Diff 86708 sys/amd64/include/profile.h

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sys/amd64/include/profile.h

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	*			*
	* @(#)profile.h 8.1 (Berkeley) 6/11/93			* @(#)profile.h 8.1 (Berkeley) 6/11/93
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#ifndef _MACHINE_PROFILE_H_			#ifndef _MACHINE_PROFILE_H_
	#define _MACHINE_PROFILE_H_			#define _MACHINE_PROFILE_H_

	#ifndef _SYS_CDEFS_H_			#ifndef _KERNEL
	#error this file needs sys/cdefs.h as a prerequisite
	#endif

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

	/*
	* Config generates something to tell the compiler to align functions on 16
	* byte boundaries. A strict alignment is good for keeping the tables small.
	*/
	#define FUNCTION_ALIGNMENT 16

	/*
	* The kernel uses assembler stubs instead of unportable inlines.
	* This is mainly to save a little time when profiling is not enabled,
	* which is the usual case for the kernel.
	*/
	#define _MCOUNT_DECL void mcount
	#define MCOUNT

	#ifdef GUPROF
	#define MCOUNT_DECL(s)
	#define MCOUNT_ENTER(s)
	#define MCOUNT_EXIT(s)
	#ifdef __GNUCLIKE_ASM
	#define MCOUNT_OVERHEAD(label) \
	__asm __volatile("pushq %0; call __mcount; popq %%rcx" \
	: \
	: "i" (label) \
	: "cx", "r10", "r11", "memory")
	#define MEXITCOUNT_OVERHEAD() \
	__asm __volatile("call .mexitcount; 1:" \
	: : \
	: "r10", "r11", "memory")
	#define MEXITCOUNT_OVERHEAD_GETLABEL(labelp) \
	__asm __volatile("movq $1b,%0" : "=rm" (labelp))
	#else
	#error this file needs to be ported to your compiler
	#endif /* !__GNUCLIKE_ASM */
	#else /* !GUPROF */
	#define MCOUNT_DECL(s) register_t s;
	#ifdef SMP
	extern int mcount_lock;
	#define MCOUNT_ENTER(s) { s = intr_disable(); \
	while (!atomic_cmpset_acq_int(&mcount_lock, 0, 1)) \
	/* nothing */ ; }
	#define MCOUNT_EXIT(s) { atomic_store_rel_int(&mcount_lock, 0); \
	intr_restore(s); }
	#else
	#define MCOUNT_ENTER(s) { s = intr_disable(); }
	#define MCOUNT_EXIT(s) (intr_restore(s))
	#endif
	#endif /* GUPROF */

	void bintr(void);
	void btrap(void);
	void eintr(void);
	void user(void);

	#define MCOUNT_FROMPC_USER(pc) \
	((pc < (uintfptr_t)VM_MAXUSER_ADDRESS) ? (uintfptr_t)user : pc)

	#define MCOUNT_FROMPC_INTR(pc) \
	((pc >= (uintfptr_t)btrap && pc < (uintfptr_t)eintr) ? \
	((pc >= (uintfptr_t)bintr) ? (uintfptr_t)bintr : \
	(uintfptr_t)btrap) : ~0UL)

	#else /* !_KERNEL */

	#define FUNCTION_ALIGNMENT 4			#define FUNCTION_ALIGNMENT 4

	#define _MCOUNT_DECL \			#define _MCOUNT_DECL \
	static void _mcount(uintfptr_t frompc, uintfptr_t selfpc) __used; \			static void _mcount(uintfptr_t frompc, uintfptr_t selfpc) __used; \
	static void _mcount			static void _mcount

	#ifdef __GNUCLIKE_ASM			#ifdef __GNUCLIKE_ASM
	#define MCOUNT __asm(" \n\			#define MCOUNT __asm(" \n\
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	}			}
	#endif			#endif
	#else /* !__GNUCLIKE_ASM */			#else /* !__GNUCLIKE_ASM */
	#define MCOUNT			#define MCOUNT
	#endif /* __GNUCLIKE_ASM */			#endif /* __GNUCLIKE_ASM */

	typedef u_long uintfptr_t;			typedef u_long uintfptr_t;

	#endif /* _KERNEL */

	/*			/*
	* 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_long fptrdiff_t;			typedef u_long fptrdiff_t;

	#ifdef _KERNEL

	void mcount(uintfptr_t frompc, uintfptr_t selfpc);

	#else /* !_KERNEL */

	#include <sys/cdefs.h>

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

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

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