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

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

FEATURE()

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

MALLOC_DEFINE()

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

stack_copy()

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

Definition at line 82 of file subr_stack.c.

References src.

Referenced by sbuf_print_witness_badstacks(), and witness_checkorder().

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stack_create()

struct stack * stack_create

(

int

flags

)

Definition at line 55 of file subr_stack.c.

References flags, malloc(), and st.

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stack_destroy()

void stack_destroy

(

struct stack *

st

)

Definition at line 64 of file subr_stack.c.

References free(), and st.

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stack_print()

void stack_print

(

const struct stack *

st

)

Definition at line 96 of file subr_stack.c.

References printf(), st, and stack_symbol().

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stack_print_ddb()

void stack_print_ddb

(

const struct stack *

st

)

Definition at line 132 of file subr_stack.c.

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

Referenced by kdb_backtrace(), and kdb_backtrace_thread().

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stack_print_short()

void stack_print_short

(

const struct stack *

st

)

Definition at line 112 of file subr_stack.c.

References printf(), st, and stack_symbol().

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stack_put()

int stack_put	(	struct stack *	st,
		vm_offset_t	pc
	)

Definition at line 71 of file subr_stack.c.

References st.

stack_sbuf_print()

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

Definition at line 203 of file subr_stack.c.

References st, and stack_sbuf_print_flags().

Referenced by sbuf_print_witness_badstacks().

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stack_sbuf_print_flags()

int stack_sbuf_print_flags	(	struct sbuf *	sb,
		const struct stack *	st,
		int	flags,
		enum stack_sbuf_fmt	format
	)

Definition at line 173 of file subr_stack.c.

References flags, sbuf_nl_terminate(), sbuf_printf(), st, and stack_symbol().

Referenced by stack_sbuf_print(), tty_info(), and witness_checkorder().

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stack_symbol()

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

static

Definition at line 255 of file subr_stack.c.

References flags, and linker_search_symbol_name_flags().

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

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stack_symbol_ddb()

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

static

Definition at line 271 of file subr_stack.c.

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

Referenced by stack_print_ddb().

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stack_zero()

void stack_zero

(

struct stack *

st

)

Definition at line 89 of file subr_stack.c.

References st.

Referenced by kdb_backtrace(), sbuf_print_witness_badstacks(), witness_debugger(), and witness_lock_order_add().

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