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 } 34