[deliverable/linux.git] / arch / sh / kernel / ptrace.c

#include <linux/ptrace.h>

/**
 * regs_query_register_offset() - query register offset from its name
 * @name:	the name of a register
 *
 * regs_query_register_offset() returns the offset of a register in struct
 * pt_regs from its name. If the name is invalid, this returns -EINVAL;
 */
int regs_query_register_offset(const char *name)
{
	const struct pt_regs_offset *roff;
	for (roff = regoffset_table; roff->name != NULL; roff++)
		if (!strcmp(roff->name, name))
			return roff->offset;
	return -EINVAL;
}

/**
 * regs_query_register_name() - query register name from its offset
 * @offset:	the offset of a register in struct pt_regs.
 *
 * regs_query_register_name() returns the name of a register from its
 * offset in struct pt_regs. If the @offset is invalid, this returns NULL;
 */
const char *regs_query_register_name(unsigned int offset)
{
	const struct pt_regs_offset *roff;
	for (roff = regoffset_table; roff->name != NULL; roff++)
		if (roff->offset == offset)
			return roff->name;
	return NULL;
}
Commit	Line	Data
eaaaeef3 PM	1	#include <linux/ptrace.h>
	2
	3	/**
	4	* regs_query_register_offset() - query register offset from its name
	5	* @name: the name of a register
	6	*
	7	* regs_query_register_offset() returns the offset of a register in struct
	8	* pt_regs from its name. If the name is invalid, this returns -EINVAL;
	9	*/
	10	int regs_query_register_offset(const char *name)
	11	{
	12	const struct pt_regs_offset *roff;
	13	for (roff = regoffset_table; roff->name != NULL; roff++)
	14	if (!strcmp(roff->name, name))
	15	return roff->offset;
	16	return -EINVAL;
	17	}
	18
	19	/**
	20	* regs_query_register_name() - query register name from its offset
	21	* @offset: the offset of a register in struct pt_regs.
	22	*
	23	* regs_query_register_name() returns the name of a register from its
	24	* offset in struct pt_regs. If the @offset is invalid, this returns NULL;
	25	*/
	26	const char *regs_query_register_name(unsigned int offset)
	27	{
	28	const struct pt_regs_offset *roff;
	29	for (roff = regoffset_table; roff->name != NULL; roff++)
	30	if (roff->offset == offset)
	31	return roff->name;
	32	return NULL;
	33	}