DCMD_PROC_SETREGSET

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, &regset, sizeof(regset), NULL );
  

To get the given register set, use DCMD_PROC_GETREGSET .