[deliverable/linux.git] / arch / um / sys-x86_64 / fault.c

/*
 * Copyright 2003 PathScale, Inc.
 *
 * Licensed under the GPL
 */

#include "sysdep/ptrace.h"

/* These two are from asm-um/uaccess.h and linux/module.h, check them. */
struct exception_table_entry
{
	unsigned long insn;
	unsigned long fixup;
};

const struct exception_table_entry *search_exception_tables(unsigned long add);

int arch_fixup(unsigned long address, struct uml_pt_regs *regs)
{
	const struct exception_table_entry *fixup;

	fixup = search_exception_tables(address);
	if (fixup != 0) {
		UPT_IP(regs) = fixup->fixup;
		return 1;
	}
	return 0;
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright 2003 PathScale, Inc.
	3	*
	4	* Licensed under the GPL
	5	*/
	6
5d86456d	7	#include "sysdep/ptrace.h"
1da177e4	8
5d86456d JD	9	/* These two are from asm-um/uaccess.h and linux/module.h, check them. */
5d86456d JD	10	struct exception_table_entry
1da177e4	11	{
5d86456d JD	12	unsigned long insn;
	13	unsigned long fixup;
	14	};
	15
	16	const struct exception_table_entry *search_exception_tables(unsigned long add);
ba180fd4	17
77bf4400	18	int arch_fixup(unsigned long address, struct uml_pt_regs *regs)
5d86456d JD	19	{
	20	const struct exception_table_entry *fixup;
	21
	22	fixup = search_exception_tables(address);
ba180fd4	23	if (fixup != 0) {
5d86456d	24	UPT_IP(regs) = fixup->fixup;
ba180fd4	25	return 1;
5d86456d	26	}
ba180fd4	27	return 0;
1da177e4	28	}