Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <linux/ptrace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * regs_query_register_offset() - query register offset from its name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * @name:	the name of a register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * regs_query_register_offset() returns the offset of a register in struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * pt_regs from its name. If the name is invalid, this returns -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) int regs_query_register_offset(const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	const struct pt_regs_offset *roff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	for (roff = regoffset_table; roff->name != NULL; roff++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 		if (!strcmp(roff->name, name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 			return roff->offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  * regs_query_register_name() - query register name from its offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  * @offset:	the offset of a register in struct pt_regs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  * regs_query_register_name() returns the name of a register from its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  * offset in struct pt_regs. If the @offset is invalid, this returns NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) const char *regs_query_register_name(unsigned int offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	const struct pt_regs_offset *roff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	for (roff = regoffset_table; roff->name != NULL; roff++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		if (roff->offset == offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 			return roff->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }