Set the given register set. The argument is a pointer to a procfs_regset structure that specifies the values to assign to the register set. For example:
procfs_regset regset; regset.id = REGSET_PERFREGS; devctl( fd, DCMD_PROC_SETREGSET, ®set, sizeof(regset), NULL );
To get the given register set, use DCMD_PROC_GETREGSET .