Differential D36799 Diff 111439 sys/cddl/dev/dtrace/i386/dtrace_subr.c

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sys/cddl/dev/dtrace/i386/dtrace_subr.c

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*/		*/

/*		/*
* Copyright (c) 2011, Joyent, Inc. All rights reserved.		* Copyright (c) 2011, Joyent, Inc. All rights reserved.
*/		*/

#include <sys/param.h>		#include <sys/param.h>
#include <sys/systm.h>		#include <sys/systm.h>
#include <sys/types.h>
#include <sys/cpuset.h>		#include <sys/cpuset.h>
#include <sys/kernel.h>		#include <sys/kernel.h>
#include <sys/malloc.h>		#include <sys/malloc.h>
#include <sys/kmem.h>		#include <sys/kmem.h>
		#include <sys/proc.h>
#include <sys/smp.h>		#include <sys/smp.h>
#include <sys/dtrace_impl.h>		#include <sys/dtrace_impl.h>
#include <sys/dtrace_bsd.h>		#include <sys/dtrace_bsd.h>
		#include <cddl/dev/dtrace/dtrace_cddl.h>
#include <machine/clock.h>		#include <machine/clock.h>
#include <machine/cpufunc.h>		#include <machine/cpufunc.h>
#include <machine/frame.h>		#include <machine/frame.h>
#include <machine/psl.h>		#include <machine/psl.h>
#include <machine/trap.h>		#include <machine/trap.h>
#include <vm/pmap.h>		#include <vm/pmap.h>

extern uintptr_t kernelbase;		extern uintptr_t kernelbase;
Show All 11 Lines	typedef struct dtrace_invop_hdlr {
struct dtrace_invop_hdlr *dtih_next;		struct dtrace_invop_hdlr *dtih_next;
} dtrace_invop_hdlr_t;		} dtrace_invop_hdlr_t;

dtrace_invop_hdlr_t *dtrace_invop_hdlr;		dtrace_invop_hdlr_t *dtrace_invop_hdlr;

int		int
dtrace_invop(uintptr_t addr, struct trapframe *frame, uintptr_t eax)		dtrace_invop(uintptr_t addr, struct trapframe *frame, uintptr_t eax)
{		{
		struct thread *td;
dtrace_invop_hdlr_t *hdlr;		dtrace_invop_hdlr_t *hdlr;
int rval;		int rval;

		rval = 0;
		td = curthread;
		td->t_dtrace_trapframe = frame;
for (hdlr = dtrace_invop_hdlr; hdlr != NULL; hdlr = hdlr->dtih_next)		for (hdlr = dtrace_invop_hdlr; hdlr != NULL; hdlr = hdlr->dtih_next)
if ((rval = hdlr->dtih_func(addr, frame, eax)) != 0)		if ((rval = hdlr->dtih_func(addr, frame, eax)) != 0)
		break;
		td->t_dtrace_trapframe = NULL;
return (rval);		return (rval);

return (0);
}		}

void		void
dtrace_invop_add(int (func)(uintptr_t, struct trapframe , uintptr_t))		dtrace_invop_add(int (func)(uintptr_t, struct trapframe , uintptr_t))
{		{
dtrace_invop_hdlr_t *hdlr;		dtrace_invop_hdlr_t *hdlr;

hdlr = kmem_alloc(sizeof (dtrace_invop_hdlr_t), KM_SLEEP);		hdlr = kmem_alloc(sizeof (dtrace_invop_hdlr_t), KM_SLEEP);
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