extable.c File Reference

Exception table support. More...

#include <xtf/lib.h>
#include <xtf/extable.h>

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Functions
const struct extable_entry *	search_extable (unsigned long addr)
	Search the exception table to find the entry associated with a specific faulting address. More...
static int	compare_extable_entry (const void *_l, const void *_r)
static void	swap_extable_entry (void *_l, void *_r)
void	sort_extable (void)
	Sort the exception table. More...

Variables
struct extable_entry	__start_ex_table []
struct extable_entry	__stop_ex_table []

Detailed Description

Exception table support.

Definition in file extable.c.

Function Documentation

search_extable()

const struct extable_entry * search_extable

(

unsigned long

addr

)

Search the exception table to find the entry associated with a specific faulting address.

Parameters

addr	Faulting address.

Returns

Appropriate extable_entry, or NULL if no entry.

Definition at line 11 of file extable.c.

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compare_extable_entry()

static int compare_extable_entry ( const void *  _l, const void *  _r  )

static

Definition at line 31 of file extable.c.

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swap_extable_entry()

static void swap_extable_entry ( void *  _l, void *  _r  )

static

Definition at line 43 of file extable.c.

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sort_extable()

void sort_extable

(

void

)

Sort the exception table.

Required to be called once on boot to make searching efficient.

Definition at line 52 of file extable.c.

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Variable Documentation

__start_ex_table

struct extable_entry __start_ex_table[]

extern

__stop_ex_table

struct extable_entry __stop_ex_table[]

Definition at line 9 of file extable.c.