PT_REGS_DX
PT_REGS_DX(regs) = 0; \
PT_REGS_DX(regs) = 0; \
pr_reg[2] = PT_REGS_DX(regs); \
PT_REGS_DX(regs) = (unsigned long) 0;
PT_REGS_DX(regs) = (unsigned long) &frame->info;
PT_REGS_DX(regs) = (unsigned long) &frame->uc;
PT_REGS_CX(regs), PT_REGS_DX(regs));
PT_REGS_DX(regs), PT_REGS_SI(regs), PT_REGS_DI(regs));