From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fernando Nasser To: Doug Evans Cc: gdb@sources.redhat.com Subject: Re: to_query target_ops entry Date: Fri, 23 Feb 2001 14:45:00 -0000 Message-id: <3A96E7FC.C196B43@cygnus.com> References: <200102232207.OAA26403@casey.transmeta.com> <3A96E2AC.3401D8C9@cygnus.com> <14998.58726.866822.724540@casey.transmeta.com> X-SW-Source: 2001-02/msg00334.html 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: fnasser@redhat.com 2323 Yonge Street, Suite #300 Toronto, Ontario M4P 2C9