PT_R18
DEFINE(PT_R18, offsetof(struct pt_regs, exregs[2]));
cfi_st t6, PT_R18, \docfi
cfi_ld t6, PT_R18, \docfi
OFFSET(PT_R18, pt_regs, regs[18]);
DEFINE(PT_R18, offsetof(struct pt_regs, r18));
LONG_S $18, PT_R18(sp)
LONG_L $18, PT_R18(sp)
"sw\t$18,"__str(PT_R18)"($29)\n\t" \
"sd\t$18,"__str(PT_R18)"($29)\n\t" \
cfi_st $18, PT_R18, \docfi
cfi_ld $18, PT_R18, \docfi
OFFSET(PT_R18, pt_regs, regs[18]);
CHECK_REG(PT_R18, gpr[18]);