subr_stack.c File Reference

#include "opt_ddb.h"
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/linker.h>
#include <sys/malloc.h>
#include <sys/sbuf.h>
#include <sys/stack.h>
#include <sys/systm.h>
#include <sys/sysctl.h>

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Functions
	__FBSDID ("$BSDSUniX$")
	FEATURE (stack,"Support for capturing kernel stack")
static	MALLOC_DEFINE (M_STACK,"stack","Stack Traces")
static int	stack_symbol (vm_offset_t pc, char *namebuf, u_int buflen, long *offset)
static int	stack_symbol_ddb (vm_offset_t pc, const char **name, long *offset)
struct stack *	stack_create (void)
void	stack_destroy (struct stack *st)
int	stack_put (struct stack *st, vm_offset_t pc)
void	stack_copy (struct stack *src, struct stack *dst)
void	stack_zero (struct stack *st)
void	stack_print (struct stack *st)
void	stack_print_short (struct stack *st)
void	stack_print_ddb (struct stack *st)
void	stack_sbuf_print (struct sbuf *sb, struct stack *st)

Function Documentation

__FBSDID

(

"$BSDSUniX$"

)

FEATURE	(	stack	,
		"Support for capturing kernel stack"
	)

static MALLOC_DEFINE ( M_STACK  , "stack"  , "Stack Traces"    )

static

void stack_copy	(	struct stack *	src,
		struct stack *	dst
	)

Definition at line 80 of file subr_stack.c.

Referenced by sysctl_debug_witness_badstacks().

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struct stack* stack_create

(

void

)

Definition at line 53 of file subr_stack.c.

References malloc().

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void stack_destroy

(

struct stack *

st

)

Definition at line 62 of file subr_stack.c.

References free().

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void stack_print

(

struct stack *

st

)

Definition at line 94 of file subr_stack.c.

References printf(), and stack_symbol().

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void stack_print_ddb

(

struct stack *

st

)

Definition at line 130 of file subr_stack.c.

References name, printf(), and stack_symbol_ddb().

Referenced by kdb_backtrace(), and kdb_backtrace_thread().

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void stack_print_short

(

struct stack *

st

)

Definition at line 110 of file subr_stack.c.

References printf(), and stack_symbol().

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int stack_put	(	struct stack *	st,
		vm_offset_t	pc
	)

Definition at line 69 of file subr_stack.c.

void stack_sbuf_print	(	struct sbuf *	sb,
		struct stack *	st
	)

Definition at line 170 of file subr_stack.c.

References sbuf_printf(), and stack_symbol().

Referenced by sysctl_debug_witness_badstacks().

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static int stack_symbol ( vm_offset_t  pc, char *  namebuf, u_int  buflen, long *  offset  )

static

Definition at line 247 of file subr_stack.c.

References linker_search_symbol_name().

Referenced by stack_print(), stack_print_short(), and stack_sbuf_print().

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static int stack_symbol_ddb ( vm_offset_t  pc, const char **  name, long *  offset  )

static

Definition at line 260 of file subr_stack.c.

References linker_ddb_search_symbol(), linker_ddb_symbol_values(), and sym.

Referenced by stack_print_ddb().

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void stack_zero

(

struct stack *

st

)

Definition at line 87 of file subr_stack.c.

Referenced by kdb_backtrace(), kdb_backtrace_thread(), sysctl_debug_witness_badstacks(), and witness_lock_order_add().

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