This is the mail archive of the mailing list for the GDB project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]

Re: to_query target_ops entry

Doug Evans wrote:
> But as for the intended argument usage, here's what I wrote up.
> Let me know if this is wrong, too constrained, or not constrained enough.
> I wanted this to be rather constrained to avoid future headaches.
> /* Query the simulator for something (this is the `to_query' target_ops entry).
>    What it is is up to the simulator.
>    TYPE is a printable character.  Pass '-' for "don't care".
>    If there is a failure, the error message is in RESP.
>    SIZE is the maximum size of both REQ and RESP.
>    REQ is a string containing the request.
>    The contents of RESP are up to the request.
>    If REQ is NULL, the caller is requesting the maximum request size.
>    On return the maximum size is stored in *SIZE.
>    Otherwise SIZE is unchanged on return.
>    The result is 0 for success, non-zero for failure.
>    If the simulator doesn't implement this, it always returns -1 and
>    "not implemented" is stored in RESP.
>    RESP is assumed to be at least MIN_SIM_QUERY_SIZE bytes in size.  */

I cannot look at the code now, but this seems quite right.

Fernando Nasser
Red Hat - Toronto                       E-Mail:
2323 Yonge Street, Suite #300
Toronto, Ontario   M4P 2C9

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]