[linux-2.6-block.git] / include / asm-generic / extable.h

#ifndef __ASM_GENERIC_EXTABLE_H
#define __ASM_GENERIC_EXTABLE_H

/*
 * The exception table consists of pairs of addresses: the first is the
 * address of an instruction that is allowed to fault, and the second is
 * the address at which the program should continue.  No registers are
 * modified, so it is entirely up to the continuation code to figure out
 * what to do.
 *
 * All the routines below use bits of fixup code that are out of line
 * with the main instruction path.  This means when everything is well,
 * we don't even have to jump over them.  Further, they do not intrude
 * on our cache or tlb entries.
 */

struct exception_table_entry
{
	unsigned long insn, fixup;
};


struct pt_regs;
extern int fixup_exception(struct pt_regs *regs);

#endif
Commit	Line	Data
aaa2e7ac AV	1	#ifndef __ASM_GENERIC_EXTABLE_H
	2	#define __ASM_GENERIC_EXTABLE_H
	3
	4	/*
	5	* The exception table consists of pairs of addresses: the first is the
	6	* address of an instruction that is allowed to fault, and the second is
	7	* the address at which the program should continue. No registers are
	8	* modified, so it is entirely up to the continuation code to figure out
	9	* what to do.
	10	*
	11	* All the routines below use bits of fixup code that are out of line
	12	* with the main instruction path. This means when everything is well,
	13	* we don't even have to jump over them. Further, they do not intrude
	14	* on our cache or tlb entries.
	15	*/
	16
	17	struct exception_table_entry
	18	{
	19	unsigned long insn, fixup;
	20	};
	21
	22
	23	struct pt_regs;
	24	extern int fixup_exception(struct pt_regs *regs);
	25
	26	#endif