35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
#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;
|
||
|
|
}
|