int dbg_set_reg()

in kernel/kgdb.c [59:77]

• 18 lines of code
• 5 McCabe index (conditional complexity)

int dbg_set_reg(int regno, void *mem, struct pt_regs *regs)
{
	if (regno >= DBG_MAX_REG_NUM || regno < 0)
		return -EINVAL;

	switch (regno) {
	case GDB_CCR:
#if defined(CONFIG_CPU_H8S)
	case GDB_EXR:
#endif
		*(u16 *)((void *)regs +
			 dbg_reg_def[regno].offset) = *(u32 *)mem;
		break;
	default:
		memcpy((void *)regs + dbg_reg_def[regno].offset, mem,
		       dbg_reg_def[regno].size);
	}
	return 0;
}