Differential D323 Diff 554 sys/amd64/amd64/stack_machdep.c

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__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <sys/param.h>		#include <sys/param.h>
#include <sys/systm.h>		#include <sys/systm.h>
#include <sys/proc.h>		#include <sys/proc.h>
#include <sys/stack.h>		#include <sys/stack.h>

#include <machine/pcb.h>		#include <machine/pcb.h>
		#include <machine/smp.h>
#include <machine/stack.h>		#include <machine/stack.h>

#include <vm/vm.h>		#include <vm/vm.h>
#include <vm/vm_param.h>		#include <vm/vm_param.h>
#include <vm/pmap.h>		#include <vm/pmap.h>

static void		static void
stack_capture(struct stack *st, register_t rbp)		stack_capture(struct stack *st, register_t rbp)
Show All 26 Lines	stack_save_td(struct stack st, struct thread td)

if (TD_IS_SWAPPED(td))		if (TD_IS_SWAPPED(td))
panic("stack_save_td: swapped");		panic("stack_save_td: swapped");
if (TD_IS_RUNNING(td))		if (TD_IS_RUNNING(td))
panic("stack_save_td: running");		panic("stack_save_td: running");

rbp = td->td_pcb->pcb_rbp;		rbp = td->td_pcb->pcb_rbp;
stack_capture(st, rbp);		stack_capture(st, rbp);
		}

		void
		stack_save_inpanic(struct stack st, struct thread td)
		{
		#ifdef SMP
		const struct pcb *pcb = &stoppcbs[td->td_oncpu];
		#else
		const struct pcb *pcb = td->td_pcb;
		#endif

		stack_capture(st, pcb->pcb_rbp);
}		}

void		void
stack_save(struct stack *st)		stack_save(struct stack *st)
{		{
register_t rbp;		register_t rbp;

__asm __volatile("movq %%rbp,%0" : "=r" (rbp));		__asm __volatile("movq %%rbp,%0" : "=r" (rbp));
stack_capture(st, rbp);		stack_capture(st, rbp);
}		}